CN107986251A - A kind of yellow phosphorus electric furnace tail gas extract system and yellow phosphoric tail gas air-exhaust method - Google Patents
A kind of yellow phosphorus electric furnace tail gas extract system and yellow phosphoric tail gas air-exhaust method Download PDFInfo
- Publication number
- CN107986251A CN107986251A CN201711065674.XA CN201711065674A CN107986251A CN 107986251 A CN107986251 A CN 107986251A CN 201711065674 A CN201711065674 A CN 201711065674A CN 107986251 A CN107986251 A CN 107986251A
- Authority
- CN
- China
- Prior art keywords
- gas
- tail gas
- electric furnace
- yellow phosphorus
- frequency conversion
- 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.)
- Granted
Links
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 239000000284 extract Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 64
- 230000001105 regulatory effect Effects 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 230000008676 import Effects 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 4
- 239000011574 phosphorus Substances 0.000 abstract description 4
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 145
- 230000003139 buffering effect Effects 0.000 description 3
- 230000002045 lasting effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002367 phosphate rock Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/02—Preparation of phosphorus
- C01B25/027—Preparation of phosphorus of yellow phosphorus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a kind of yellow phosphorus electric furnace tail gas extract system and yellow phosphoric tail gas air-exhaust method, it is related to phosphorus production field, the yellow phosphorus electric furnace tail gas extract system of the present invention is connected with the outlet of yellow phosphorus electric furnace gas-guide tube, including pressure transmitter connected in sequence, furnace pressure sensor, purifier, surge tank, frequency conversion fan and gas chamber.The yellow phosphorus electric furnace tail gas extract system of the present invention can control the tail gas pumpability of frequency conversion fan by the signal of pressure transmitter, the continuous-stable for ensuring that tail gas is pumped controls regulating valve by furnace pressure sensor in real time, then realize the safe and effective adjusting that tail gas is pumped, and will be collected after taken out tail gas clean-up and be used to produce；The yellow phosphoric tail gas air-exhaust method of the present invention, which can be realized, pumps the whole of yellow phosphorus electric furnace tail gas, and flare elimination simultaneously realizes the target to yellow phosphorus electric furnace tail gas full dose safe transport, improves the economic value that yellow phosphoric tail gas utilizes.
Description
Technical field
The present invention relates to yellow phosphoric tail gas process field, and in particular to a kind of yellow phosphorus electric furnace tail gas extract system and yellow phosphoric tail gas
Air-exhaust method.
Background technology
The production of yellow phosphorus is mainly electric furnace process, after rock phosphate in powder, silica and coke are mixed with certain particle size by a certain percentage
Electric furnace is added, using thermogenetic 1200 ° of high temperature of electricity, rock phosphate in powder fusing is decomposed and produces P2O5, then with coke occur oxidation-
Reduction reaction obtains elemental phosphorous steam, finally obtains finished product through supercooling, separating technology.In the process, yellow phosphorus electric furnace must
It must keep electric furnace interior sealing and be produced under slight positive pressure state.During phosphorus production, substantial amounts of tail gas can be produced, in reality
The yellow phosphoric tail gas that yellow phosphorus electric furnace produces in the production of border is mainly used for heat source or the unstripped gas as one chemical industry of carbon uses, but still has
Residual exhaust fires idle discharge directly in the form of torch to be put, it is difficult to is all efficiently used.Main reason is that：Yellow phosphorus electric furnace from
During smelting, due to the regular slagging-off factor in working of a furnace reason and production, produced tail gas amount in stove is caused constantly to change fluctuation, stove
Pressure is very unstable, when pumping yellow phosphoric tail gas with valve manual operations or general air extractor, easily causes yellow phosphorus electric furnace negative pressure to transport
OK, enter the air in the external world and explosion is produced in stove, cause serious accident, in order to ensure safety in production, phosphorus production enterprise
When industry is to waste gas utilization, compared with produced tail gas total amount, the extraction amount of tail gas is less, causes tail gas surplus capacity very big, and will
The unnecessary tail gas point fire row in this part is directly discharged, and part phosphorus production enterprise influences due to being evacuated safety problem, or even to tail gas
Directly not utilize, all igniting discharge, this has resulted in wasting for thermal energy, while in tail gas containing substantial amounts of dust and
Sour gas, burning and exhausting have seriously polluted the environment again.
Chinese patent CN201320027350.8 monitors tail gas pressure by setting a pressure transmitter at the total water seal of tail gas
Power simultaneously controls exhaust fan power in real time, and reaching prevents the speed of exhaust from producing tail gas amount mismatch with electric furnace, causes to bear in electric furnace
The effect of pressure.But the device is only primary prospect, and there are problems with practical applications：
1st, the pressure transmitter of the device is arranged at tail gas water seal, and with still not accurate enough, it feeds back the pressure that it is measured
There are the corresponding time difference between numerical value and the suction pressure numerical value that need to be adjusted to, produce tail gas amount in electric furnace and change greatly such as electric furnace
Tail gas amount die-offs when slagging tap or when electric furnace is shut down suddenly can not be effectively treated, and can not realize the continuous work of tail gas extract system
Make, can not meet production requirement, making the scenario, there are corresponding security risk.
2nd, the device has preset tail gas air pressure standard value, its control to suction pressure is only by gas pressure measurement and air pressure mark
Quasi- value relatively realizes that, without dynamic corrections and buffer protection mechanism, its timeliness controlled, accuracy, security and stability are all
It cannot meet actual demand.
3rd, the device is only pumped part to tail gas and is improved, but can not realize at the extraction to all producing tail gas
Manage, it is torch that its residual exhaust extracted, which still needs to emptying discharge or burning, causes thermal energy waste and environmental issue.
The content of the invention
For defect existing in the prior art, it is an object of the invention to provide a kind of yellow phosphorus electric furnace tail gas extract system
And yellow phosphoric tail gas air-exhaust method, reach the adjustment yellow phosphorus electric furnace speed of exhaust in real time and produce the same of the flux matched function of tail gas with electric furnace
When, realize that the full dose of tail gas extracts, efficiently use the effect of the thermal energy or chemical energy that extract tail gas.
To achieve the above objectives, the present invention adopts the technical scheme that：
A kind of yellow phosphorus electric furnace tail gas extract system, it is connected with the outlet of yellow phosphorus electric furnace gas-guide tube, including pressure transmitter, tail
Air purifying apparatus, surge tank, frequency conversion fan and gas chamber, the gas-guide tube outlet of the yellow phosphorus electric furnace, exhaust gas cleaner, buffering
Tank, frequency conversion fan and gas chamber are sequentially connected using exhaust pipe；
The surge tank is used to collecting redundancy gas and the gas that replenishes the supply when pipeline air pressure is insufficient, the surge tank
On the exhaust pipe between the frequency conversion fan and the exhaust gas cleaner；
The pressure transmitter is arranged on the outlet connection of the exhaust pipe and the gas-guide tube of the yellow phosphorus electric furnace, is used for
Measure the air pressure of the exhaust pipe and the gas-guide tube outlet connection of the yellow phosphorus electric furnace；
The frequency conversion fan is connected with the pressure transmitter signal, and the rotating speed of the frequency conversion fan becomes according to the pressure
The pressure value that device measures is sent to adjust in real time.
On the basis of such scheme, the surge tank is connected by exhaust pipe with the air inlet of frequency conversion fan, described
Gas chamber be connected by exhaust pipe with the outlet of frequency conversion fan, frequency conversion fan import both ends are connected with least two connections
Pipe, at least two communicating pipe form circulation line passage with the tail gas pipeline, are all provided with least two communicating pipe
It is useful for the regulating valve of gas flow in control pipeline.
On the basis of such scheme, described communicating pipe one end is connected with the surge tank, the other end and the frequency conversion wind
The exhaust pipe of machine outlet is connected.
On the basis of such scheme, a furnace pressure sensor is further included, the furnace pressure sensor is arranged on the tail gas clean-up
On the exhaust pipe of device entrance, it is connected for monitoring the exhaust pipe in real time with the exhaust gas cleaner import
The air pressure at place, and real-time control signal sends regulating valve by computing, the regulating valve on the communicating pipe is passed with the furnace pressure
Sensor signal connects.
On the basis of such scheme, the exhaust gas cleaner includes Safety water seal, air-washer, the vapour being sequentially connected
Water separation device and isolation water seal, the Safety water seal are arranged between the exhaust pipe and the air-washer, institute
Stating air-washer includes the water washing device and alkaline cleaner that are sequentially connected, and the air-washer is arranged on the Safety water seal and described
On pipeline between steam-water separator, the isolation water seal is arranged between the water separator and the surge tank.
On the basis of such scheme, a controller is additionally provided with the yellow phosphorus electric furnace, the controller is used to monitor institute
Yellow phosphorus electric furnace operating current signal is stated, and controls the frequency conversion fan to stop in the yellow phosphorus electric furnace operating current signal interruption
Machine.
On the basis of such scheme, be additionally provided with an exhausting pipeline at the exhaust gas cleaner, the exhausting pipeline with
The exhaust gas cleaner gas outlet is connected.
The present invention also provides a kind of yellow phosphoric tail gas air-exhaust method based on yellow phosphorus electric furnace tail gas extract system as described above,
Comprise the following steps：
S1, use exhaust pipe described in the pressure transmitter measurement and the yellow phosphorus electric furnace gas-guide tube outlet connection
Air pressure, and air pressure signal is transmitted to the frequency conversion fan；
S2, the frequency conversion fan adjust operating power in real time according to the air pressure signal of reception, keep the yellow phosphorus electric furnace to lead
The air pressure of tracheae outlet connection is that tail gas is extracted under micro-positive pressure；
S3, the frequency conversion fan by the yellow phosphoric tail gas of extraction by exhaust gas cleaner after, be passed to gas chamber storage,
And each tail gas user is transmitted separately to according to user demand.
On the basis of such scheme, the frequency conversion fan import both ends set at least two communicating pipes, it is described at least
Two communicating pipes formed circulation line passage with the tail gas pipeline, was respectively provided with least two communicating pipe for controlling
The regulating valve of gas in pipelines flow；Furnace pressure sensing is provided with the import junction of the exhaust pipe and exhaust gas cleaner
Device, for monitoring the air pressure of the exhaust pipe and the exhaust gas cleaner import junction in real time, and is exchanged by computing
Section valve sends real-time control signal, and signal connects between the regulating valve on the furnace pressure sensor and the communicating pipe；It is described
Control signal of the regulating valve based on the furnace pressure sensor is opened and closed into Mobile state, and the gas of redundancy is led by the communicating pipe
Entering into the surge tank, the surge tank is used to collect redundancy gas, and using the redundancy gas after collection as reflux
Make-up gas be input to again in frequency conversion fan, adjustment is balanced to exhaust pipe air pressure change.
On the basis of such scheme, flow concretely comprises the following steps in the regulating valve control pipeline：Furnace pressure sensor is surveyed
Furnace pressure signal p is measured, and is calculated and preset value p in real time0Between furnace pressure signal variation delta p (Δ p=p-p0)；The connection
Regulating valve on pipe receives the control signal p of the furnace pressure sensor, as Δ p<When 0, the frequency conversion fan inlet and outlet both ends
Regulating valve on communicating pipe is opened；As Δ p >=Δ p0When, regulating valve is closed.
Compared with prior art, the advantage of the invention is that：
(1) yellow phosphorus electric furnace tail gas extract system of the invention instead of the pressure inverting in existing equipment using variable-frequency motor
Device-frequency converter-electric system, realizes the yellow phosphorus electric furnace speed of exhaust and the more accurate adjustment of tail gas formation speed matching feature,
Correlation sets difference to eliminate fed back values and the suction pressure number that need to be adjusted to during the yellow phosphorus electric furnace speed of exhaust adjusts
The influence of corresponding time difference between value, improves real time response speed of the wind turbine to pumping control.
(2) yellow phosphorus electric furnace tail gas extract system of the invention is real by setting furnace pressure sensor on exhaust pipe road
When monitor the change of tail gas pressure, there are phase between the pipeline pressure numerical value and the suction pressure numerical value that is adjusted to monitoring feedback
Answer exhaust pipe air pressure change caused by the time difference to carry out real-time operation, provide control signal, regulating valve is based on furnace pressure sensor
Control signal carry out in real time dynamic opening and closing adjustment, and by communicating pipe by from frequency conversion fan come out redundancy gas imported into
In surge tank, form reflux, for make up because pipeline air pressure is insufficient when tail gas residual quantity, reach the mesh that balance tail gas pumps pressure
, realize the continuity of tail gas extract system, it is ensured that when air pressure is unstable caused by the working of a furnace fluctuates, tail gas amount die-offs
The steady and continuous operation of system, meets production requirement, then realizes the safe and effective adjusting that tail gas is pumped.
(3) yellow phosphorus electric furnace tail gas extract system of the invention on yellow phosphorus electric furnace by being additionally provided with a controller, controller
For monitoring the yellow phosphorus electric furnace operating current signal, and frequency conversion fan is controlled in yellow phosphorus electric furnace operating current signal interruption
Shut down.
(4) yellow phosphorus electric furnace tail gas extract system of the invention can be recycled to extracting tail gas, not only by water seal,
Alkali cleaning and etc., it is ensured that while safe transport, tail gas pollution is reduced, simultaneously because ensure that the full dose of tail gas from electric furnace connects safely
Continuous stabilization is pumped, and has eliminated flare discharge present in existing yellow phosphorus electric furnace waste gas utilization system, realizes the collection of yellow phosphoric tail gas
Middle recycling and heat energy utilization, efficiently use the thermal energy or chemical energy for extracting tail gas.
(5) yellow phosphorus electric furnace tail gas air-exhaust method of the invention is by setting surge tank, inner circulating tube line structure, exhausting pipeline
And a variety of fortuitous events monitoring adjustment, can occur electric furnace power-off, fan parking, gas chamber collect expire etc. a variety of accidents
When, extract system will not interrupt, and ensure tail gas extract system continuous production and safe operation.
Brief description of the drawings
Fig. 1 is the device connection signal block diagram of yellow phosphorus electric furnace tail gas extract system in the embodiment of the present invention；
Fig. 2 is the structure diagram of exhaust gas cleaner in the embodiment of the present invention；
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and embodiments.
Shown in Figure 1, the embodiment of the present invention provides a kind of yellow phosphorus electric furnace tail gas extract system, itself and yellow phosphorus electric furnace air guide
Pipe outlet is connected, including pressure transmitter, exhaust gas cleaner, surge tank, frequency conversion fan and gas chamber, the yellow phosphorus electric furnace
Gas-guide tube outlet, exhaust gas cleaner, surge tank, frequency conversion fan are sequentially connected with gas chamber using exhaust pipe；
The surge tank is used to collecting redundancy gas and the gas that replenishes the supply when pipeline air pressure is insufficient, the surge tank
On the exhaust pipe between the frequency conversion fan and the exhaust gas cleaner；
The pressure transmitter is arranged on the outlet connection of the exhaust pipe and the gas-guide tube of the yellow phosphorus electric furnace, is used for
Measure the air pressure of the exhaust pipe and the gas-guide tube outlet connection of the yellow phosphorus electric furnace；
The frequency conversion fan is connected with the pressure transmitter signal, and the rotating speed of the frequency conversion fan becomes according to the pressure
The pressure value that device measures is sent to adjust in real time.
May also include the furnace pressure sensor at the gas-guide tube arranged on the yellow phosphorus electric furnace, the regulating valve on communicating pipe with it is described
Furnace pressure sensor signal connects.Furnace pressure sensor is arranged on the exhaust pipe of exhaust gas cleaner entrance, for real-time
The air pressure of the exhaust pipe and the exhaust gas cleaner import junction is monitored, and regulating valve is sent in real time by computing
Signal connects between control signal, furnace pressure sensor and regulating valve on communicating pipe.Pipeline of the furnace pressure sensor to monitoring feedback
There are exhaust pipe air pressure change caused by the corresponding time difference between pressure value and the suction pressure numerical value being adjusted to carry out in fact
When computing, provide control signal, control signal of the regulating valve based on furnace pressure sensor carries out the adjustment of dynamic opening and closing in real time, and leads to
Cross and communicating pipe the redundancy gas come out from frequency conversion fan is imported into surge tank, reflux is formed, for making up because of pipeline air pressure
Tail gas residual quantity when insufficient, to ensure that the lasting gas in extract system pipeline is supplied；Due to eliminating the yellow phosphorus electric furnace speed of exhaust
During adjustment between fed back values and the suction pressure numerical value that need to be adjusted to the corresponding time difference influence, realize tail gas pumping
The continuity of system, it is ensured that stablizing for extract system is transported when air pressure is unstable, tail gas amount die-offs caused by the working of a furnace fluctuates
OK.
Surge tank is connected by exhaust pipe with the air inlet of frequency conversion fan, and gas chamber passes through exhaust pipe and frequency conversion fan
Outlet be connected, frequency conversion fan import both ends are connected with the first communicating pipe and the second communicating pipe, the two communicating pipes and offgas duct
Road forms circulation line passage, and the regulating valve for gas flow in control pipeline is equipped with all communicating pipes.Adjust valve base
In furnace pressure sensor control signal carry out in real time dynamic opening and closing adjustment, and by communicating pipe will from frequency conversion fan come out it is superfluous
Residual air body is imported into surge tank, forms reflux, for make up because pipeline air pressure is insufficient when tail gas residual quantity, to ensure extract system
Lasting gas supply in pipeline.
Further, communicating pipe one end can be connected with surge tank, the exhaust pipe phase that the other end is exported with frequency conversion fan
Even.By being directly connected to for communicating pipe and surge tank, surge tank is changed into a part for foregoing circulation line passage, surge tank is used
In collecting redundancy gas and the gas that replenishes the supply when pipeline air pressure is insufficient, surge tank is arranged on frequency conversion fan and tail gas clean-up fills
On exhaust pipe between putting；Ensure when electric furnace power-off, fan parking, gas chamber are collected completely when a variety of accidents, pass through buffering
Tank provides the without interruption of gas, ensures that tail gas extract system stablizes safe operation and the stable and continuous production of yellow phosphorus electric furnace.
It may also include arranged on a controller is additionally provided with the yellow phosphorus electric furnace, the controller is used to monitor the yellow phosphorus
Electric furnace operating current signal, and control the frequency conversion fan to shut down in the yellow phosphorus electric furnace operating current signal interruption.
These setting make regulating valve open and close, frequency conversion fan working status adjustment etc. emergency measure response more and
When it is accurate, it is ensured that timely responding to for bursty state occurs.
Exhaust gas cleaner includes Safety water seal, air-washer, water separator and the choke water seal being sequentially connected, institute
Stating air-washer includes the water washing device and alkaline cleaner that are sequentially connected, and the air-washer is arranged on the Safety water seal and described
On pipeline between steam-water separator, the choke water seal be arranged on the water separator and the surge tank it
Between.
One exhausting pipeline can be also set at exhaust gas cleaner, and make exhausting pipeline and exhaust gas cleaner gas outlet phase
Even.Exhausting pipeline can be opened when foregoing unexpected state occurs, and excessive gas is handled by the exhausting pipeline emptying, it is ensured that
System safety operation.
The operation principle of yellow phosphorus electric furnace tail gas extract system of the present invention is as follows：
When yellow phosphorus electric furnace tail gas normal table discharges, yellow phosphorus electric furnace tail gas extract system of the present invention uses pressure transmitter
The air pressure of exhaust pipe and yellow phosphorus electric furnace gas-guide tube outlet connection is measured, and air pressure signal is transmitted to frequency conversion fan；Frequency conversion
Wind turbine adjusts operating power in real time according to the air pressure signal of reception, keeps the air pressure of the yellow phosphorus electric furnace gas-guide tube outlet connection
For micro-positive pressure；Frequency conversion fan by the yellow phosphoric tail gas of extraction by exhaust gas cleaner after, gas chamber storage is passed to, and according to user
Demand is transmitted separately to each tail gas user.
Unstable in yellow phosphorus electric furnace tail gas gas output, when changing in controlled range, pressure transmitter passes air pressure signal
Frequency conversion fan is transported to, frequency conversion fan adjusts operating power in real time according to the air pressure signal of reception, frequency conversion fan when keeping extracting gas
Power be adapted with electric furnace gas output, simultaneous buffering tank is by the control signal of furnace pressure sensor, to fed back values and adjustment
To suction pressure numerical value between there are exhaust pipe air pressure change caused by the corresponding time difference to be balanced adjustment, in pipeline gas
When pressing through low, by opening regulating valve, the redundancy gas come out from frequency conversion fan is imported into surge tank using communicating pipe, is delayed
Rush tank to be used to collect redundancy gas, the make-up gas into the redundancy gas in surge tank as reflux is input to frequency conversion fan again
In, for making up pipeline air pressure deficiency when replenishes the supply gas, to ensure that the lasting gas in extract system pipeline is supplied, completes
Dynamic equilibrium adjustment is carried out to exhaust pipe air pressure change, realizes the continuous-stable conveying of tail gas.
The embodiment of the present invention also provides a kind of yellow phosphoric tail gas of use based on yellow phosphorus electric furnace tail gas extract system as described above
Air-exhaust method, comprises the following steps：
S1, use exhaust pipe described in the pressure transmitter measurement and the yellow phosphorus electric furnace gas-guide tube outlet connection
Air pressure, and air pressure signal is transmitted to the frequency conversion fan；
S2, the frequency conversion fan adjust operating power in real time according to the air pressure signal of reception, keep the yellow phosphorus electric furnace to lead
The air pressure of tracheae outlet connection is micro-positive pressure；
S3, the frequency conversion fan by the yellow phosphoric tail gas of extraction by exhaust gas cleaner after, be passed to gas chamber storage,
And each tail gas user is transmitted separately to according to user demand.
Further, there is provided furnace pressure sensor, form circulation line passage communicating pipe and furnace pressure sensor, adjust
Save in the yellow phosphorus electric furnace tail gas extract systems of component such as valve, control signal of the regulating valve based on the furnace pressure sensor, realize dynamic
State is opened, and will be imported from the gas that frequency conversion fan comes out by communicating pipe in surge tank, forms redundancy gas, surge tank passes through
Recycling to redundancy gas is re-used as the gas progress frequency conversion fan that replenishes the supply, and completes to be balanced exhaust pipe air pressure change
Adjustment.
Flow concretely comprises the following steps in regulating valve control pipeline：Furnace pressure sensor measure furnace pressure signal p, and in real time calculate with
Preset value p0Between furnace pressure signal variation delta p (Δ p=p-p0)；Regulating valve on the communicating pipe receives the furnace pressure
Sensor furnace pressure signal p, as Δ p<When 0, the regulating valve on the communicating pipe at the frequency conversion fan inlet and outlet both ends is opened；As Δ p
≥Δp0When, regulating valve is closed.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to the prior art known to professional and technical personnel in the field.
Claims (10)
1. a kind of yellow phosphorus electric furnace tail gas extract system, it is connected with the outlet of yellow phosphorus electric furnace gas-guide tube, it is characterised in that：Including pressure
Transmitter, exhaust gas cleaner, surge tank, frequency conversion fan and gas chamber, the gas-guide tube outlet of the yellow phosphorus electric furnace, tail gas clean-up
Device, surge tank, frequency conversion fan and gas chamber are sequentially connected using exhaust pipe；
The surge tank is used to collect redundancy gas and the gas that replenishes the supply when pipeline air pressure is insufficient, the surge tank are arranged on
On the exhaust pipe between the frequency conversion fan and the exhaust gas cleaner；
The pressure transmitter is arranged on the outlet connection of the exhaust pipe and the gas-guide tube of the yellow phosphorus electric furnace, for measuring
The air pressure of the exhaust pipe and the gas-guide tube outlet connection of the yellow phosphorus electric furnace；
The frequency conversion fan is connected with the pressure transmitter signal, and the rotating speed of the frequency conversion fan is according to the pressure transmitter
The pressure value of measurement adjusts in real time.
2. yellow phosphorus electric furnace tail gas extract system as claimed in claim 1, it is characterised in that：The surge tank passes through exhaust pipe
It is connected with the air inlet of frequency conversion fan, the gas chamber is connected by exhaust pipe with the outlet of frequency conversion fan, frequency conversion fan
Import both ends were connected with least two communicating pipes, at least two communicating pipe formed circulation line with the tail gas pipeline and led to
Road, is equipped with the regulating valve for gas flow in control pipeline at least two communicating pipe.
3. yellow phosphorus electric furnace tail gas extract system as claimed in claim 2, it is characterised in that：Delay with described described communicating pipe one end
Rush tank to be connected, the other end is connected with the exhaust pipe that the frequency conversion fan exports.
4. yellow phosphorus electric furnace tail gas extract system as claimed in claim 2, it is characterised in that：Further include a furnace pressure sensor, institute
Furnace pressure sensor is stated on the exhaust pipe of the exhaust gas cleaner entrance, for monitoring the offgas duct in real time
The air pressure in road and the exhaust gas cleaner import junction, and real-time control signal is sent to regulating valve by computing, it is described
Regulating valve on communicating pipe is connected with the furnace pressure sensor signal.
5. yellow phosphorus electric furnace tail gas extract system as claimed in claim 1, it is characterised in that：The exhaust gas cleaner includes suitable
Secondary connected Safety water seal, air-washer, water separator and isolation water seal, the Safety water seal are arranged on the tail gas
Between pipeline and the air-washer, the air-washer includes the water washing device and alkaline cleaner being sequentially connected, described to wash
Device of air is arranged on the pipeline between the Safety water seal and the steam-water separator, and the isolation water seal is arranged on the vapour
Between water separation device and the surge tank.
6. yellow phosphorus electric furnace tail gas extract system as claimed in claim 1, it is characterised in that：One is additionally provided with the yellow phosphorus electric furnace
Controller, the controller are used to monitor the yellow phosphorus electric furnace operating current signal, and in the yellow phosphorus electric furnace operating current
The frequency conversion fan is controlled to shut down during signal interruption.
7. yellow phosphorus electric furnace tail gas extract system as claimed in claim 1, it is characterised in that：Also set at the exhaust gas cleaner
There is an exhausting pipeline, the exhausting pipeline is connected with the exhaust gas cleaner gas outlet.
8. a kind of yellow phosphoric tail gas air-exhaust method based on yellow phosphorus electric furnace tail gas extract system as claimed in claim 1, its feature
It is, comprises the following steps：
S1, the gas using exhaust pipe described in the pressure transmitter measurement and the yellow phosphorus electric furnace gas-guide tube outlet connection
Pressure, and air pressure signal is transmitted to the frequency conversion fan；
S2, the frequency conversion fan adjust operating power in real time according to the air pressure signal of reception, keep the yellow phosphorus electric furnace gas-guide tube
The air pressure of outlet connection is that tail gas is extracted under micro-positive pressure；
S3, the frequency conversion fan by the yellow phosphoric tail gas of extraction by exhaust gas cleaner after, be passed to gas chamber storage, and root
Each tail gas user is transmitted separately to according to user demand.
9. yellow phosphoric tail gas air-exhaust method as claimed in claim 8, it is characterised in that：Set at the frequency conversion fan import both ends
At least two communicating pipes, at least two communicating pipe forms circulation line passage with the tail gas pipeline, described at least two
The regulating valve for gas flow in control pipeline is respectively provided with a communicating pipe；In the exhaust pipe and exhaust gas cleaner
Import junction is provided with furnace pressure sensor, is connected for monitoring the exhaust pipe in real time with the exhaust gas cleaner import
The air pressure at place, and real-time control signal sends regulating valve by computing, the furnace pressure sensor with the communicating pipe
Signal connects between regulating valve；Control signal of the regulating valve based on the furnace pressure sensor is opened and closed into Mobile state, by redundancy
Gas by importeding into the communicating pipe in the surge tank, the surge tank is used to collect redundancy gas, and will
Redundancy gas after collection is input in frequency conversion fan again as the make-up gas of reflux, and exhaust pipe air pressure change is put down
Weighing apparatus adjustment.
10. yellow phosphoric tail gas air-exhaust method as claimed in claim 9, it is characterised in that：Flow in the regulating valve control pipeline
Concretely comprise the following steps：Furnace pressure sensor measures furnace pressure signal p, and calculates and preset value p in real time0Between furnace pressure signal change
Measure Δ p (Δ p=p-p0)；Regulating valve on the communicating pipe receives the control signal p of the furnace pressure sensor, as Δ p<When 0,
Regulating valve on the communicating pipe at the frequency conversion fan inlet and outlet both ends is opened；As Δ p >=Δ p0When, regulating valve is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711065674.XA CN107986251B (en) | 2017-11-02 | 2017-11-02 | A kind of yellow phosphorus electric furnace tail gas extract system and yellow phosphoric tail gas air-exhaust method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711065674.XA CN107986251B (en) | 2017-11-02 | 2017-11-02 | A kind of yellow phosphorus electric furnace tail gas extract system and yellow phosphoric tail gas air-exhaust method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107986251A true CN107986251A (en) | 2018-05-04 |
| CN107986251B CN107986251B (en) | 2019-09-03 |
Family
ID=62030558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711065674.XA Active CN107986251B (en) | 2017-11-02 | 2017-11-02 | A kind of yellow phosphorus electric furnace tail gas extract system and yellow phosphoric tail gas air-exhaust method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107986251B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708483A (en) * | 2018-12-29 | 2019-05-03 | 中信锦州金属股份有限公司 | A kind of frequency conversion automatically controls the device and method of manganese silicon electric furnace gas pressure |
| CN109731880A (en) * | 2019-01-18 | 2019-05-10 | 力同环保机械（上海）有限公司 | Automatic control device and method for aluminium paint line air draft to RTO |
| CN110986609A (en) * | 2019-12-26 | 2020-04-10 | 四川蓝海化工（集团）有限公司 | Tail gas pressurization system for lime kiln |
| CN111023853A (en) * | 2019-12-26 | 2020-04-17 | 四川蓝海化工（集团）有限公司 | Conveying device for yellow phosphorus tail gas purification system |
| 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 |
| CN113457433A (en) * | 2021-05-31 | 2021-10-01 | 石横特钢集团有限公司 | Flue gas desulfurization and denitrification treatment device for tubular furnace |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748957A (en) * | 2012-07-13 | 2012-10-24 | 上海一德电气科技有限公司 | Yellow phosphorus electric stove tail gas recovery system |
| CN203038127U (en) * | 2013-01-19 | 2013-07-03 | 云南澄江盘虎化工有限公司 | Yellow phosphorus electric furnace tail gas pressure balance control system |
| CN105508878A (en) * | 2014-09-26 | 2016-04-20 | 湖北兴发化工集团股份有限公司 | Equipment for collecting and delivering yellow phosphorus tail gas |
| CN207799485U (en) * | 2017-11-02 | 2018-08-31 | 武汉东晟捷能科技有限公司 | A kind of yellow phosphorus electric furnace tail gas extract system |
-
2017
- 2017-11-02 CN CN201711065674.XA patent/CN107986251B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748957A (en) * | 2012-07-13 | 2012-10-24 | 上海一德电气科技有限公司 | Yellow phosphorus electric stove tail gas recovery system |
| CN203038127U (en) * | 2013-01-19 | 2013-07-03 | 云南澄江盘虎化工有限公司 | Yellow phosphorus electric furnace tail gas pressure balance control system |
| CN105508878A (en) * | 2014-09-26 | 2016-04-20 | 湖北兴发化工集团股份有限公司 | Equipment for collecting and delivering yellow phosphorus tail gas |
| CN207799485U (en) * | 2017-11-02 | 2018-08-31 | 武汉东晟捷能科技有限公司 | A kind of yellow phosphorus electric furnace tail gas extract system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708483A (en) * | 2018-12-29 | 2019-05-03 | 中信锦州金属股份有限公司 | A kind of frequency conversion automatically controls the device and method of manganese silicon electric furnace gas pressure |
| CN109731880A (en) * | 2019-01-18 | 2019-05-10 | 力同环保机械（上海）有限公司 | Automatic control device and method for aluminium paint line air draft to RTO |
| CN110986609A (en) * | 2019-12-26 | 2020-04-10 | 四川蓝海化工（集团）有限公司 | Tail gas pressurization system for lime kiln |
| CN111023853A (en) * | 2019-12-26 | 2020-04-17 | 四川蓝海化工（集团）有限公司 | Conveying device for yellow phosphorus tail gas purification system |
| 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 |
| CN112524962B (en) * | 2020-08-20 | 2022-08-02 | 云南江磷集团股份有限公司 | Yellow phosphorus electric furnace tail gas recovery and purification process |
| CN113457433A (en) * | 2021-05-31 | 2021-10-01 | 石横特钢集团有限公司 | Flue gas desulfurization and denitrification treatment device for tubular furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107986251B (en) | 2019-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107986251B (en) | A kind of yellow phosphorus electric furnace tail gas extract system and yellow phosphoric tail gas air-exhaust method | |
| CN103758561A (en) | Coal mine gas extraction control system and extraction control method | |
| CN206310919U (en) | A kind of ceramic metallization atmosphere sintering furnace | |
| CN103322547A (en) | Boiler control and combustion optimization method | |
| CN108683200A (en) | A kind of method that compressed-air energy storage participates in primary frequency regulation of power network | |
| CN202013212U (en) | Air quantity calculating system of variable speed or constant speed fan | |
| CN107246602A (en) | Cogeneration units use the optimal control method of electric boiler mode depth peak regulation | |
| CN101718502B (en) | Electric furnace flue gas waste heat recovering and temperature regulating device | |
| CN108873843A (en) | A kind of tamping coke furnace Anthracite coal Internet of Things whole process control technique | |
| CN207799485U (en) | A kind of yellow phosphorus electric furnace tail gas extract system | |
| CN201600037U (en) | Electric furnace flue gas waste heat recovery temperature control device | |
| CN110888403A (en) | Intelligent soot blowing closed-loop control system based on minimum loss boiler convection heating surface | |
| CN107603653B (en) | Coal moisture control instrument detection and moisture control method for performing demineralized water heat exchange by utilizing coke oven flue gas | |
| CN103277783A (en) | Supercritical coal-fired unit water wall metal wall temperature early-warning optimal control method | |
| CN106123026A (en) | A kind of thermal power plant coal powder pipeline blocking method for early warning | |
| CN112051793A (en) | Large-scale waste heat recovery control system | |
| CN104315496A (en) | Equal temperature difference principle-based boiler exhaust smoke waste heat recovery system | |
| CN205874470U (en) | Blast funnace hot blast stove optimal control system | |
| CN104819450B (en) | A kind of boiler controls the method for drum wall temperature difference after determining the normal blowing out of parameter | |
| CN214887260U (en) | Water supply pump steam turbine smoke exhaust device capable of monitoring and adjusting negative pressure value on line | |
| CN103131858B (en) | Tungsten-base alloy waste material recovery furnace | |
| CN206682922U (en) | A kind of waste heat heat reclaiming system | |
| CN102478232A (en) | Method for recycling heat energy of coke oven flue gas | |
| CN103278018B (en) | Connect and move back unit flue gas system | |
| CN212296657U (en) | Leading hybrid system of low concentration gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231219 Address after: Room 3026-2, Nanhu Entrepreneurship Park, No. 53 Nanhu Avenue, Hongshan District, Wuhan City, Hubei Province, 430070 Patentee after: WUHAN JIENENGCC TECHNOLOGY Co.,Ltd. Address before: 3026, Nanhu Entrepreneurship Center, Hongshan Entrepreneurship Park, No. 53 Nanlu Avenue, Hongshan District, Wuhan City, Hubei Province, 430072 Patentee before: WUHAN DONGSHENG JIENENG TECHNOLOGY Co.,Ltd. |