CN203235416U - Hydrogen fluoride gas purification device - Google Patents
Hydrogen fluoride gas purification device Download PDFInfo
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- CN203235416U CN203235416U CN 201320288168 CN201320288168U CN203235416U CN 203235416 U CN203235416 U CN 203235416U CN 201320288168 CN201320288168 CN 201320288168 CN 201320288168 U CN201320288168 U CN 201320288168U CN 203235416 U CN203235416 U CN 203235416U
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Abstract
The utility model relates to a hydrogen fluoride gas purification device. The hydrogen fluoride gas purification device comprises a dry gas processor, wherein the upper end of the processor is connected with a defluorinating reaction adsorbent input chamber, the lower end of the processor is connected with a solid reactant output chamber of an adsorbent, a conveying mechanism is arranged at the lower end of the solid reactant output chamber of the adsorbent, and the two sides of the processor are respectively connected with a waste gas input pipeline and a pure gas output pipeline of a gas conveying system. A plurality of rows of triangular tubes with upward apex angles are arranged inside the dry gas processor, all the rows of triangular tubes are in upward-downward staggered arrangement, a defluorinating reaction adsorbent is filled in a space around each triangular tube, and an opening groove extending to the other end of each triangular tube from one end of each triangular tube is formed in the bottom face of each triangular tube. The hydrogen fluoride gas purification device has the advantages of high efficiency, energy saving, environmental friendliness, low operating cost and convenience in operation and maintenance, and has a high application value in the aspect of processing hydrogen fluoride gas emitted by kiln heads of industrial kilns, such as building ceramic kilns.
Description
Technical field
The utility model belongs to environmental protection device and method field, the particularly purifying processing device of fluorinated hydrogen flue gas.
Background technology
At present in the rules such as European Union, the U.S., Japan the improvement of hydrogen fluoride flue gas is listed in mandatory operative norm already, China is also executing related standards on main cities such as Shanghai, Beijing and other places.To treating apparatus and the method for hydrogen fluoride flue gas, generally adopt the Wet-type spray treatment technology at present, its shortcoming is, equipment operation maintenance is complicated, and processing cost is high, and the corrosivity to equipment and personnel in processing procedure is larger, the mud handling capacity that produces after processing is large, and the fume afterheat utilization ratio is low.
The utility model content
Technical problem to be solved in the utility model is, a kind of hydrogen fluoride flue-gas purification equipment of efficient, energy-saving and environmental protection is provided for the deficiencies in the prior art.
Technical problem to be solved in the utility model is achieved by the following technical solution:
A kind of hydrogen fluoride flue-gas purification equipment, comprise smoke processing system, gas fume conveying system, defluorination reaction adsorbent induction system, electric control system, described smoke processing system comprises the flue gas dry-type processor, the upper end of processor is connected with defluorination reaction adsorbent input chamber, the lower end of processor is connected with the solid reactant of adsorbent output chamber, the lower end of exporting the chamber at the solid reactant of adsorbent arranges feeding unit, and the both sides of described processor are connected with clean flue gas output channel with the useless flue gas input channel of gas fume conveying system respectively.
Particularly, in the inside of flue gas dry-type processor the triangle tube that some row's wedge angles make progress is set, every row's triangle tube is staggered up and down, the space-filling defluorination reaction adsorbent around every triangle tube; Bottom surface at triangle tube arranges the open slot that extends to the other end from an end of triangle tube; In the bottom of described processor some row's triangle air inlet pipe being set is communicated with useless flue gas input pipe, some row's triangle escape pipes are set on the top of described processor are communicated with clean flue gas efferent duct, some row's triangle tubes are set at the interval, middle part of described processor are communicated with useless flue gas input pipe and clean flue gas efferent duct respectively.Triangle tube is the isosceles triangle pipe, and the drift angle of triangle tube is 36 to 40 degree, and the tapering of the open slot of described triangle tube is 0.2 to 0.4 degree, and leg-of-mutton bottom side length 80 is to 120mm, and high 130 to 160mm, and the width of open slot is 40 to 60mm.
Better, described triangle tube forms a Cell processor, horizontal every row arranges 10 to 15 triangle tubes in described processor, the lateral separation of per two triangle tubes is 100 to 140mm, 8 to 12 row's triangle tubes vertically are set, the longitudinal separations of per two row's triangle tubes are 130 to 150mm, the length of described Cell processor, width and highly be respectively 2.5 to 3m, the length of described triangle tube is 2.5 to 3m, triangle tube one end is blind end, the other end is openend, and the openend of triangle tube is communicated with useless flue gas input pipe or clean flue gas efferent duct respectively; Described smoke processing system is comprised of one or more Cell processor.
Gas fume conveying system also comprises the exhaust blower that is connected with clean flue gas output channel, and described exhaust blower is connected with chimney.
Defluorination reaction adsorbent is lime stone, and the granularity of lime stone is 4 to 8mm.
Defluorination reaction adsorbent induction system comprises former hopper, raw material blower fan, and described raw material blower fan is connected with described adsorbent input chamber by mother tube.The feeding unit of the solid reactant output lower end, chamber of described adsorbent comprises spiral conveyer.Lower end at described spiral conveyer arranges cylinder round sifter, and the larger absorbent particles that cylinder round sifter sieves out returns adsorbent input chamber by returning charge blower fan and refeed line, in the lower end of cylinder round sifter the discarded object bag is set.
Electric control system is the PLC control system, comprises level control system, the flue-gas controlling system of flue gas pressures control system, adsorbent, the solid reactant output control system of adsorbent.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Description of drawings
Fig. 1 is the system schematic of the utility model device;
Fig. 2 is the schematic diagram of the flue gas dry-type processor embodiment 1 of the utility model device;
Fig. 3 is the A-A generalized section of Fig. 2;
Fig. 4 is the structural representation of the triangle tube of embodiment 1;
Fig. 5 is the blind end schematic diagram of the triangle tube of embodiment 1;
Fig. 6 is the schematic diagram of the flue gas dry-type processor embodiment 2 of the utility model device;
Fig. 7 is the control system schematic diagram of the utility model device;
Fig. 8 is the operation gap periods schematic diagram of spiral conveyer of the present utility model and cylinder round sifter.
The specific embodiment
Fig. 1 is the system schematic of the utility model device.As shown in the figure, this device comprises flue gas dry-type processor 1, the upper end of processor is connected with defluorination reaction adsorbent input chamber 2, the lower end of processor is connected with the solid reactant of adsorbent output chamber 3, the lower end of exporting chamber 3 at the solid reactant of adsorbent arranges spiral conveyer 4.1, in the lower end of spiral conveyer cylinder round sifter 4.2 is set, the larger absorbent particles that cylinder round sifter sieves out returns adsorbent input chamber 2 by returning charge blower fan 15 and refeed line 16, in the lower end of cylinder round sifter 4.2 discarded object bag 17 is set.The both sides of processor 1 are connected with clean flue gas output channel 6 with the useless flue gas input channel 5 of gas fume conveying system respectively.Clean flue gas output channel 6 is connected with exhaust blower 9, and exhaust blower 9 is connected with chimney 25.Also comprise the former hopper 11 of defluorination reaction adsorbent, in the outlet of former hopper raw material blower fan 12 is set, described raw material blower fan 12 is inputted chamber 2 by mother tube 13 and described adsorbent and is connected.
As shown in the figure, also comprise flue gas exhaust blower 9 drive motors 9.1, be separately positioned on pressure sensor 18.1 and 18.2 on useless flue gas and the clean flue, be arranged on the drive motors 12.1 of the indoor level sensor 19.1 and 19.2 of adsorbent input, raw material blower fan 12 and be arranged on raw material pipeline 13 pneumatic operated valve 20, be arranged on temperature sensor 21 and magnetic valve 22 on the useless flue gas input channel 5, be arranged on the bypass magnetic valve 24 on the useless gas bypass pipeline 23, the drive motors 4.11 of spiral conveyer 4.1, and the drive motors 4.21 of cylinder round sifter 4.2.
Fig. 2 is the schematic diagram of the flue gas dry-type processor embodiment 1 of the utility model device, and Fig. 3 is the A-A generalized section of Fig. 2.
Such as Fig. 2, shown in Figure 3, the triangle tube of embodiment 1 forms a Cell processor, and the appearance and size length of Cell processor is respectively 2.6 to 3.0m, and this Cell processor is fit to process useless exhaust gas volumn at 15000-25000m
3/ h, fluorine content is at 200mg/m
3Following situation.The length of Cell processor, width and highly be respectively 2.5 to 3m, correspondingly, the length of triangle tube is 2.5 to 3m.The two ends of triangle tube are fixedly connected with the sidewall of processor respectively, and triangle tube one end is blind end, and the other end is openend, and the openend of triangle tube is communicated with useless flue gas input pipe 5 or clean flue gas efferent duct 6 respectively.
Outer setting heat-insulation layer 8 at flue gas dry-type processor 1, because the hot flue-gas temperature of continuous-flow is generally more than 200 ℃ in processor, heat-insulation layer is set can make the purifying smoke maintenance condition of high temperature of output so that follow-up UTILIZATION OF VESIDUAL HEAT IN, and heat-insulation layer also has heat-blocking action, can stop the heat radiation to the processor surrounding environment.12 to 13 of horizontally sets are set in the inside of flue gas dry-type processor 1, the triangle tube 7 that 10 row's wedge angles make progress vertically is set, each is arranged triangle tube and is staggered up and down, in the bottom of processor 1 three row's triangle air inlet pipe 7.1 being set is communicated with useless flue gas input pipe 5, on the top of processor 1 three row's triangle escape pipes 7.2 being set is communicated with clean flue gas efferent duct 6, at the interval, middle part of described processor two row's triangle air inlet pipe 7.1 are set and are communicated with useless flue gas input pipe 5, the interval arranges two row's triangle escape pipes 7.2 and clean flue gas efferent duct 6 is communicated with.The lateral separation of per two triangle tubes is 100 to 140mm, and the longitudinal separations of per two row's triangle tubes are 130 to 150mm.Space-filling defluorination reaction adsorbent 10 around every triangle tube.The defluorination of present embodiment reaction adsorbent 10 is lime stone, and the granularity of lime stone is 4 to 8mm.
The chemical equation of the defluorinate process of the hydrogen fluoride flue gas of the technical program is:
2HF+CaCO
3=CaF
2+CO
2+H
2O。
The flue gas of fluorinated hydrogen (HF) enters processor 1 through useless flue gas input channel 5, and hydrogen fluoride is attracted to lime stone (CaCO
3) particle surface, generate calcirm-fluoride (CaF with lime stone generation chemical reaction
2), the flue gas after the processing passes the limestone particle layer, and under the effect of exhaust blower 9, the clean flue gas output channel 6 of warp and chimney 25 enter atmosphere or enter next system makes UTILIZATION OF VESIDUAL HEAT IN.The limestone particle that the surface occurs behind the chemical reaction drops to spiral conveyer 4.1 by solid reactant output chamber 3, then through the conveying of spiral conveyer 4.1, falls into cylinder round sifter 4.2.Reacted limestone particle is in above-mentioned course of conveying and screening process, and the calcirm-fluoride conversion zone of limestone surfaces is fractured into powder, is sized in the lump together with the too small limestone particle of particle diameter after the reaction and falls into special-purpose discarded object bag 17.Returning adsorbent input chamber 2 through the larger limestone particle of the particle diameter after the activation process by returning charge blower fan 15 and refeed line 16 recycles.Simultaneously, raw material blower fan 12 is sent into adsorbent input chamber 2 with the limestone particle in the former hopper 11 by mother tube 13, and the lime stone that is consumed in the course of reaction is replenished.
Fig. 4 is the structural representation of the triangle tube of embodiment 1, and as shown in the figure, triangle tube 7 is the isosceles triangle pipe, the drift angle of triangle tube is 36 to 40 degree, consider effective angle of repose and the flowability of particle packing, the drift angle best angle is 38 degree, can down flow smoothly to guarantee limestone particle.The length of triangle tube is 2.5 to 3m, and triangle bottom side length 80 is to 120mm, and high 130 to 160mm.Bottom surface at triangle tube arranges the open slot 7.3 that extends to the other end from an end of triangle tube, the width of open slot is 40 to 60mm, react in order to make the open slot of useless flue gas by triangle air inlet pipe 7.1 evenly enter the limestone particle layer, and make the CO2 gas that produces after the reaction and steam evenly collect triangle escape pipe 7.2 by open slot to derive.Consider gas-flow resistance and pressure reduction, the open slot of triangular pipe is provided with certain taper, and general tapering is 0.2 to 0.4 degree, is the triangle tube of 2.8m for length, and the A/F at its open slot two ends is poor to be 20mm.
Fig. 5 is the blind end schematic diagram of the triangle tube of embodiment 1.As shown in the figure, the blind end at triangle tube arranges detachable capping 7.4.The benefit that adopts detachable capping is can be according to distribution and the arrangement of air inlet pipe and escape pipe in the gas cleaning effect flexible modulation processor, and is convenient to safeguard and the cleaning triangle tube.Certainly, blind end also can be solder up.
Fig. 6 is the schematic diagram of the flue gas dry-type processor embodiment 2 of the utility model device.As shown in the figure, this smoke processing system by Cell processor 1.1 and Cell processor 1.2 totally two Cell processor form the open connection of the joint face of two Cell processor.The triangle air inlet pipe of this system and escape pipe be 20 rows altogether, and its arrangement architecture is that system bottom 6 combs are air inlet pipe; Interval, system middle part arranges 8 row's triangle tubes, and namely row's air inlet pipe, a discharge tracheae are staggered; Top arranges 6 and discharges tracheae.It is 50000m that this system is fit to useless exhaust gas volumn
3/ h, the content 150mg/m of fluoride
3Or 100-200mg/m
3Situation.The advantage that adopts modular Cell processor structure is manufacturing, the installation and maintenance of being convenient to equipment, can carry out the blocking combination to processor according to the flue gas treating capacity, and also can adjust according to actual conditions in the permutation and combination of internal system triangle tube.
Fig. 7 is the electric control system schematic diagram of the utility model device.
Electric control system of the present utility model is the PLC control system, comprises level control system, the flue-gas controlling system of flue gas pressures control system, adsorbent, the solid reactant output control system of adsorbent.
The flue gas pressures control system comprise flue gas exhaust blower 9 drive motors 9.1, be separately positioned on the flue gas pressures sensor 18.1 and 18.2 on useless flue gas and the clean flue, entrance, outlet flue gas pressures are carried out Detection ﹠ Controling, the flue gas pressures monitored data is transported to PLC, PLC changes into pressure sensor signal the frequency conversion frequency of frequency conversion exhaust blower motor 9.1, with the control exhaust smoke level, thereby reach control flue gas pressures, interior negative pressure state and the flow of assurance processor.
The level control system of adsorbent comprises the drive motors 12.1 that is arranged on the indoor level sensor 19.1 and 19.2 of adsorbent input, raw material blower fan 12, the pneumatic operated valve 20 that is arranged on charging line 13, realization is to the control of the height of control reaction tower internal reaction agent material level, when material level drops to low level, feed in raw material, when high-order, then stop to feed in raw material.
Flue-gas controlling system comprises temperature sensor 21 and the magnetic valve 22 that is arranged on the useless flue gas input channel 5, useless flue-gas temperature to input is carried out Detection ﹠ Controling, guarantee normal intake air temperature, when if the gas approach temperature is lower than 120 ℃, shut electromagnetic valve 22, open bypass magnetic valve 24, useless flue gas is discharged from bypass duct 23, to guarantee in the processor not dewfall.
The solid reactant output control system of adsorbent comprises the motor 4.11 of feed screw 4.1, by control running time of feed screw being realized the control to solid reactant (calcirm-fluoride+orthocarbonic acid calcium particle) blanking velocity (discharge quantity in the unit interval), thereby guarantee the effect of flue gas defluorination.Wherein exhausted air quantity and hydrofluoric concentration are the bases that blanking velocity calculates.The solid reactant output control system of adsorbent also comprises the drive motors 4.21 of cylinder round sifter 4.2, by the control to running time of motor 4.22, realizes being complementary with the running time of feed screw.
Control system also comprises the control to the motor 15.1 of returning charge blower fan 15, and the larger limestone particle of realizing sieving out is by delivering to the input storehouse as the defluorinating agent reuse on the returning charge blower fan 15.
The PLC system finishes automatic control to the field apparatus in the whole system by touch-screen (HMI), in the simultaneity factor running state information of each equipment on touch-screen (HMI) intuitively, dynamically show with various ways such as flow process picture, dynamic data, curve, forms.The PLC control system can also be reserved communication interface in order in the future centralized collection and the sampling of data.
Fig. 8 is the operation gap periods schematic diagram of spiral conveyer of the present utility model and cylinder round sifter.Because the lime stone in the processor flows downward by gravity, the reactant that produces in this process: the calcirm-fluoride conversion zone on lime stone and surface thereof also flows downward by gravity, when exhaust gas volumn one timing to be processed, in order to guarantee sufficient reacting, the periodic running system of the spiral conveyer of face is controlled blanking velocity on the lower, thereby controls the sufficient reacting degree of fluoride in lime stone and the flue gas.As shown in the figure, when useless exhaust gas volumn be 50000m
3/ h, the content 150mg/m of fluoride
3The time, the periodic running system of spiral conveyer 4 is: be divided into target phase and stop segment within per 1 hour cycle, wherein target phase is 35 clocks, and stop segment is 25 clocks, at target phase, every operation stopped 1 minute after 3 minutes.Simultaneously, cylinder round sifter 14 is also taked the periodic running system corresponding with spiral conveyer 4: be divided into target phase and stop segment within per 1 hour cycle, wherein target phase is 40 minutes, and stop segment is 20 minutes.
The treatment step of hydrogen fluoride flue-gas purification equipment of the present utility model is:
Step 1: start the drive motors of defluorination reaction adsorbent feeding fan 12, with the input chamber 2 of adsorbent 10 input flue-gas treaters, when adsorbent rose to the high charge level of input chamber 2, level control system stopped drive motors;
Step 2: start the drive motors of the feed screw 4 of adsorbent solids product output 3 lower ends, chamber, when solid product is discharged from the outlet of feeder 4, drive motors is stopped;
Step 3: detect flue-gas temperature in the useless flue 5 by flue-gas temperature sensor 21, when flue-gas temperature during greater than 120 ℃, the electromagnetic valve 22 of useless flue gas input channel is opened; When flue-gas temperature during less than 120 ℃, make useless flue gas input channel magnetic valve valve 22 close and open gas bypass magnet valve of pipe 24;
Step 4: start the drive motors of clean flue gas output exhaust blower 9, make the inner negative pressure state that keeps of flue-gas treater by the flue gas pressures control system;
Step 5: start the drive motors of the feed screw 4 of adsorbent solids product output chamber 3, described hydrogen fluoride flue-gas purification equipment begins continuous operation:
Drive motors by level control system control adsorbent feeding fan 12 begins feeding when input chamber 2 material levels drop to low level, stop feeding when rising to a high position;
" operation-dwelling period time " that the frequency-variable controller of the drive motors of the feed screw 4 by adsorbent solids product output chamber 3 is set makes the feed screw intermittent operation, to control blanking velocity; Correspondingly, also do intermittent operation at the cylinder round sifter 14 of the lower end of spiral conveyer 4;
Keep negative pressure by flue gas pressures control system control flue-gas treater internal pressure, when the observed pressure value was higher than setting value, the motor frequency conversion controller of exhaust blower 9 improved rotation speed of fan, strengthens exhaust air rate; Purifying smoke after will processing by exhaust blower 9 is sent into chimney 25 dischargings;
Enter useless flue-gas temperature in the flue-gas treater by flue-gas controlling system control, when flue-gas temperature during less than 120 ℃, make useless flue gas input channel electromagnetic valve 22 close and open gas bypass magnet valve of pipe 24; When flue-gas temperature is higher than 120 ℃, make useless flue gas input channel electromagnetic valve 22 open and close gas bypass magnet valve of pipe 24;
Sending the larger absorbent particles that sieves out back to adsorbent input chamber 2 by feeding fan 15 and feed pipe 16 by cylinder round sifter 14 continues to use.The solid waste that produces in the defluorinate process is CaF
2Powder and CaCO
3Granule is transported outward disposal as general industry rubbish after packing.
The beneficial effects of the utility model are,
1, the hydrogen fluoride flue-gas purification equipment is the dry adsorption filter plant, and flue gas need not pre-cooled, and flow process is relatively simple, the convenient operation management.
2, adopt modular Cell processor structure, equipment is simple, compact, is convenient to manufacturing, installation and maintenance.
3, the calcium carbonate utilization rate is high, and is high to hydrofluoric removal efficient, can reach about 99%.Flue gas after the purified treatment can not produce Corrosion Potential after being down to normal temperature yet.
4, in the gas cleaning process, do not need to supply water and steam, do not discharge fluoride waste yet, avoided secondary pollution.
5, little, the easy processing of discarded object amount after the processing.
6, systematic running cost is low, energy consumption is low, easy care.
7, hot flue gas moves in adding the processor of heat-insulation layer, and the decontamination process thermal loss is less than 5%.Purifying smoke after the processing can directly carry out UTILIZATION OF VESIDUAL HEAT IN, reaches the energy-conserving and environment-protective effect.
In a word, the technical solution of the utility model has efficiently, energy-saving and environmental protection, operating cost are low, the advantage of convenient operating maintenance, is being with a wide range of applications aspect the hydrogen fluoride flue gas processing of Industrial Stoves such as the discharging of architectural pottery kiln kiln hood.
Although embodiment has been described in detail the utility model, those of ordinary skill in the art should be appreciated that still and can make amendment and be equal to replacement the technical solution of the utility model that it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (9)
1. hydrogen fluoride flue-gas purification equipment, comprise smoke processing system, gas fume conveying system, defluorination reaction adsorbent induction system, electric control system, it is characterized in that, described smoke processing system comprises flue gas dry-type processor (1), the upper end of described processor is connected with defluorination reaction adsorbent input chamber (2), the lower end of processor is connected with the solid reactant of adsorbent output chamber (3), the lower end of exporting chamber (3) at the solid reactant of adsorbent arranges feeding unit (4), and the both sides of described processor (1) are connected with clean flue gas output channel (6) with the useless flue gas input channel (5) of gas fume conveying system respectively.
2. hydrogen fluoride flue-gas purification equipment according to claim 1, it is characterized in that, the triangle tube (7) that some row's wedge angles make progress is set in the inside of described flue gas dry-type processor (1), every row's triangle tube is staggered up and down, the space-filling defluorination reaction adsorbent (10) around every triangle tube; Bottom surface at triangle tube arranges the open slot (7.3) that extends to the other end from an end of triangle tube; Some row's triangle air inlet pipe (7.1) are set in the bottom of described processor to be communicated with useless flue gas input pipe (5), some row's triangle escape pipes (7.2) are set on the top of described processor are communicated with clean flue gas efferent duct (6), some row's triangle tubes are set at the interval, middle part of described processor are communicated with useless flue gas input pipe and clean flue gas efferent duct respectively.
3. hydrogen fluoride flue-gas purification equipment according to claim 2, it is characterized in that, described triangle tube (7) is the isosceles triangle pipe, the drift angle of triangle tube is 36 to 40 degree, the tapering of the open slot of described triangle tube (7.3) is 0.2 to 0.4 degree, leg-of-mutton bottom side length 80 is to 120mm, and high 130 to 160mm, and the width of open slot is 40 to 60mm.
4. hydrogen fluoride flue-gas purification equipment according to claim 2, it is characterized in that, described triangle tube forms a Cell processor, horizontal every row arranges 10 to 15 triangle tubes in described processor, the lateral separation of per two triangle tubes is 100 to 140mm, 8 to 12 row's triangle tubes vertically are set, the longitudinal separations of per two row's triangle tubes are 130 to 150mm, the length of described Cell processor, width and highly be respectively 2.5 to 3m, the length of described triangle tube is 2.5 to 3m, the two ends of triangle tube are fixedly connected with the sidewall of Cell processor respectively, triangle tube one end is blind end, the other end is openend, and the openend of triangle tube is communicated with useless flue gas input pipe (5) or clean flue gas efferent duct (6) respectively; Described smoke processing system is comprised of one or more Cell processor.
5. hydrogen fluoride flue-gas purification equipment according to claim 4 is characterized in that, the blind end of described triangle tube (7) is detachable capping (7.4).
6. hydrogen fluoride flue-gas purification equipment according to claim 1 is characterized in that, described gas fume conveying system also comprises the exhaust blower (9) that is connected with clean flue gas output channel, and described exhaust blower is connected with chimney (25); Described defluorination reaction adsorbent induction system comprises former hopper (11), raw material blower fan (12), and described raw material blower fan (12) is connected with described adsorbent input chamber (2) by mother tube (13); The feeding unit (4) of the solid reactant output lower end, chamber (3) of described adsorbent comprises spiral conveyer (4.1), in the lower end of spiral conveyer (4.1) cylinder round sifter (4.2) is set, the larger absorbent particles that cylinder round sifter sieves out returns adsorbent input chamber (2) by returning charge blower fan (15) and refeed line (16), in the lower end of cylinder round sifter (4.2) discarded object bag (17) is set.
7. hydrogen fluoride flue-gas purification equipment according to claim 1 is characterized in that, described defluorination reaction adsorbent (10) is lime stone, and the granularity of lime stone is 4 to 8mm.
8. hydrogen fluoride flue-gas purification equipment according to claim 1, it is characterized in that, described electric control system is the PLC control system, comprises level control system, the flue-gas controlling system of flue gas pressures control system, adsorbent, the solid reactant output control system of adsorbent.
9. hydrogen fluoride flue-gas purification equipment according to claim 8, it is characterized in that, described flue gas pressures control system comprise flue gas exhaust blower (9) drive motors (9.1), be separately positioned on pressure sensor (18.1) and (18.2) on useless flue gas and the clean flue; The level control system of described adsorbent comprises the drive motors (12.1) that is arranged on the indoor level sensor (19.1) of adsorbent input and (19.2), raw material blower fan (12) and the pneumatic operated valve (20) that is arranged on mother tube (13); Described flue-gas controlling system comprises temperature sensor (21) and the magnetic valve (22) that is arranged on the useless flue gas input channel (5), is arranged on the bypass magnetic valve (24) on the useless gas bypass pipeline (23); The solid reactant output control system of described adsorbent comprises the drive motors (4.11) of feed screw (4.1) of feeding unit (4) and the drive motors (4.21) of cylinder round sifter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320288168 CN203235416U (en) | 2013-05-23 | 2013-05-23 | Hydrogen fluoride gas purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320288168 CN203235416U (en) | 2013-05-23 | 2013-05-23 | Hydrogen fluoride gas purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203235416U true CN203235416U (en) | 2013-10-16 |
Family
ID=49312753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320288168 Withdrawn - After Issue CN203235416U (en) | 2013-05-23 | 2013-05-23 | Hydrogen fluoride gas purification device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103316581A (en) * | 2013-05-23 | 2013-09-25 | 佛山市富饶科技材料有限公司 | Hydrogen fluoride flue gas purifying processing device and processing method therefor |
| WO2024040659A1 (en) * | 2022-08-22 | 2024-02-29 | 福建省龙氟新材料有限公司 | Tail gas adsorption tower specially adapted for hydrogen fluoride |
-
2013
- 2013-05-23 CN CN 201320288168 patent/CN203235416U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103316581A (en) * | 2013-05-23 | 2013-09-25 | 佛山市富饶科技材料有限公司 | Hydrogen fluoride flue gas purifying processing device and processing method therefor |
| WO2024040659A1 (en) * | 2022-08-22 | 2024-02-29 | 福建省龙氟新材料有限公司 | Tail gas adsorption tower specially adapted for hydrogen fluoride |
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