CN204337998U - A kind of flue gas two stage desulfurizing tower - Google Patents
A kind of flue gas two stage desulfurizing tower Download PDFInfo
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- CN204337998U CN204337998U CN201420663492.8U CN201420663492U CN204337998U CN 204337998 U CN204337998 U CN 204337998U CN 201420663492 U CN201420663492 U CN 201420663492U CN 204337998 U CN204337998 U CN 204337998U
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- Prior art keywords
- layer
- flue gas
- desulfurizing tower
- doctor solution
- desulfurization liquid
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 239000003546 flue gas Substances 0.000 title claims abstract description 96
- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 64
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 79
- 230000023556 desulfurization Effects 0.000 claims abstract description 78
- 239000007788 liquid Substances 0.000 claims abstract description 63
- 238000005507 spraying Methods 0.000 claims abstract description 36
- 241000521257 Hydrops Species 0.000 claims abstract description 12
- 206010030113 Oedema Diseases 0.000 claims abstract description 12
- 238000004062 sedimentation Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
- 239000011575 calcium Substances 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 22
- 239000011148 porous material Substances 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000007921 spray Substances 0.000 description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- 239000011593 sulfur Substances 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 229940079827 sodium hydrogen sulfite Drugs 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a kind of flue gas two stage desulfurizing tower, described desulfurizing tower is tubular structure, is disposed with demist layer, spraying layer, desulfurization liquid layer, air inlet layer and hydrops layer from top to bottom, wherein, desulfurization liquid layer carries out first grade desulfurizing to flue gas, and spraying layer carries out two-grade desulfurizing to flue gas.The utility model is by arranging desulfurization liquid layer and air inlet layer baffle plate is separated by, and desulfurization liquid layer directly communicates with spraying layer, and then receives the doctor solution spraying and fall, and avoids doctor solution to flow down corrosion inwall along desulfurizing tower inwall.The utility model arranges hollow tube in described baffle-panels makes desulfurization liquid layer be communicated with air inlet layer, hollow tube is set to helical form simultaneously, hollow tube arranges multiple pore, make flue gas form minute bubbles by pore, increase the contact area of flue gas and doctor solution, improve desulfurized effect.Air inlet layer is set to two ends internal diameter and is greater than middle part internal diameter and sidewall be the tubular of certain radian bending by the utility model, increases the flow velocity of flue gas, the efficiency of raising desulfurizing tower.
Description
Technical field
The utility model relates to waste gas purification field, particularly relates to a kind of flue gas two stage desulfurizing tower.
Background technology
The method of conventional smoke desulfurization is generally divided into: one, fluid column desulfurization: doctor solution sprays from the mouth of pipe, occurs 2 times and contacts, the sulfur-containing compound in flue gas and doctor solution are reacted, reaches desulfurized effect in rising with the process fallen with flue gas; Two, spray desulfurization: jet pipe sprays vaporific doctor solution in face of flue gas, increase the contact area of flue gas and doctor solution, in flue gas, Containing Sulfur and thing and doctor solution react and reach desulfurized effect; Three, bubbling desulfurization: use jet pipe to pass in doctor solution by flue gas, flue gas forms bubble and contacts Containing Sulfur and thing and doctor solution in flue gas with doctor solution and reacted desulfurization.
Although the implementation of flue gas desulfurization is varied, object only has one: the contact area and the time of contact that as much as possible increase flue gas and doctor solution, make the sulfur-containing compound in flue gas fully and doctor solution react.Existing flue gas desulfurization device mainly contains following shortcoming: use the desulfurization of spray mode 1, merely, and not only desulfurization is thorough, and doctor solution and desulfurizing tower contact area are very greatly, easily corrode desulfurizing tower; 2, use multiple desulfurization method to combine, as carried out pre-desulfurization process before carrying out spray desulfurization, although receive good effect, the complex structure of equipment, technological process is complicated.
How to design the two-step desulfurization tower that a kind of doctor solution immersion desulfurization combines with spray desulfurization, optimize contact area and the time of flue gas and doctor solution in detail, flue gas is structurally made not block and the area reducing that doctor solution contacts with desulfurizing tower by desulfurizing tower is unobstructed, reduce corrosion, in effect, two-step desulfurization ensures that flue gas desulfurization is thorough, becomes the problem that is needed badly solution.
Utility model content
The purpose of this utility model is the deficiency for traditional desulfurizing tower, provides a kind of flue gas two stage desulfurizing tower.The utility model is by arranging desulfurization liquid layer and air inlet layer baffle plate is separated by, and desulfurization liquid layer directly communicates with spraying layer, and then receives the doctor solution spraying and fall, and avoids doctor solution to flow down corrosion inwall along desulfurizing tower inwall.The utility model arranges hollow tube in described baffle-panels makes desulfurization liquid layer be communicated with air inlet layer, hollow tube is arranged to helical form, and hollow tube arranges multiple hole, makes flue gas form minute bubbles by pore, increase the contact area of flue gas and doctor solution, improve desulfurized effect.
The utility model also has an object, air inlet layer is set to two ends internal diameter and is greater than middle part internal diameter and sidewall be the tubular of certain radian bending, increase the flow velocity of flue gas, the efficiency of raising desulfurizing tower.
The technical scheme that the utility model provides is:
A kind of flue gas two stage desulfurizing tower, wherein, comprising:
Spraying layer, it is arranged at described desulfurizing tower top;
Desulfurization liquid layer, it is arranged at below described spraying layer and is also communicated with spraying layer, for built-in doctor solution;
Air inlet layer, it is arranged at below described desulfurization liquid layer and is also communicated with desulfurization liquid layer, dividing plate is provided with between described desulfurization liquid layer and air inlet layer, described dividing plate is provided with multiple through dividing plate and extend as described in the hollow tube of certain distance in desulfurization liquid layer, the tube wall of the part that described hollow tube is arranged in desulfurization liquid layer is provided with multiple hole, and described hollow tube is opened on described air inlet layer;
In addition, described air inlet layer be set to two ends internal diameter be greater than middle part internal diameter and sidewall be certain radian bend tubular;
Hydrops layer, it is arranged at below described air inlet layer and is also communicated with air inlet layer.
Preferably, in described flue gas two stage desulfurizing tower, described hollow tube is set to helical form, and the described hollow tube distance extended in desulfurization liquid layer is not less than 2/3 of doctor solution layer height, and in described desulfurization liquid layer the height of doctor solution for being as the criterion by hollow tube described in submergence.
Preferably, in described flue gas two stage desulfurizing tower, the lower ending opening of described hollow tube is set to inverted funnel-form.
Preferably, in described flue gas two stage desulfurizing tower, the top of the lower ending opening of described hollow tube is provided with the breather check valve for preventing doctor solution from leaking.
Preferably, in described flue gas two stage desulfurizing tower, on described hollow tube tube wall, the aperture of hole is set to 0.1-2cm.
Preferably, in described flue gas two stage desulfurizing tower, described desulfurizing tower also comprises demist layer, and it is arranged on the top of described spraying layer and communicates with described spraying layer; The top of described desulfurizing tower is also provided with the exhaust outlet in communicating with described demist layer.
Preferably, in described flue gas two stage desulfurizing tower, described desulfurization liquid layer side wall upper part is provided with the feed tube passing into doctor solution, the lower sidewall at feed tube diagonal angle is provided with the drain pipe of discharging doctor solution, the feed tube other end is communicated with sedimentation basin after being communicated with water pump, and drain pipe is directly communicated with sedimentation basin by pipeline.
Preferably, in described flue gas two stage desulfurizing tower, the lower end sidewall of described hydrops layer is provided with delivery port, and described delivery port is communicated with sedimentation basin by pipeline.
Preferably, in described flue gas two stage desulfurizing tower, described doctor solution is calcium-based desulfurization liquid or sodium base doctor solution.
Preferably, in described flue gas two stage desulfurizing tower, the top of described spraying layer is provided with at least one shower, and straight down, the described shower other end is communicated with described water pump through spraying layer sidewall shower port; Immediately below described shower port, be horizontally disposed with at least one deck circular cyclone plate, the edge of described spiral board is inscribed within the inwall of described spraying layer and welds with described inwall.
The utility model has following beneficial effect: first, desulfurization liquid layer and air inlet layer baffle plate separate by arranging baffle plate by the utility model, arrange desulfurization liquid layer directly to communicate with spraying layer simultaneously, the doctor solution enabling desulfurization liquid layer receive spraying layer to fall, reduce the contact area of doctor solution and desulfurizing tower, avoid doctor solution to flow down corrosion inwall along desulfurizing tower inwall; The utility model arranges helix tube in described baffle-panels makes desulfurization liquid layer be communicated with air inlet layer, arranges multiple pore on the coil, makes flue gas form minute bubbles by pore, increases contact area and the time of contact of flue gas and doctor solution, improves desulfurized effect.
Secondly, air inlet layer air inlet layer to be set to two ends internal diameter according to Venturi effect and to be greater than middle part internal diameter and sidewall be the tubular of certain radian bending by the utility model, increases the flow velocity of flue gas, the efficiency of raising desulfurizing tower.
Finally, the feed tube of desulfurization liquid layer and drain pipe diagonal angle arrange by the utility model, make flue gas and doctor solution form adverse current, and improve the effect of doctor solution pull-up sulphur, the final desulfurization degree of the utility model reaches more than 98%.
Accompanying drawing explanation
Fig. 1 is the structural representation of flue gas two stage desulfurizing tower described in the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is elaborated, can implement according to this after consulting this description to make those of ordinary skill in the art.
As shown in Figure 1, a kind of flue gas two stage desulfurizing tower, wherein, comprising:
Spraying layer 2, it is arranged at described desulfurizing tower top; Shower 15 and circular cyclone plate 16 is disposed with from top to bottom in spraying layer 2, shower 15 Jet with downward flow direction doctor solution, doctor solution is uniformly distributed on circular cyclone plate 16, and form adverse current with the flue gas of above altering, its effect: one is that the tangent doctor solution that makes of flue gas and doctor solution is atomized, increase the contact area of flue gas and doctor solution, flue gas and doctor solution fully react, and improve desulfurized effect; Two is that flue gas and doctor solution collide, and rising to flue gas forms resistance, thus increases contacting and time of reaction of flue gas and doctor solution, improves desulfurized effect.
Desulfurization liquid layer 3, it is arranged at below described spraying layer 2 and is also communicated with spraying layer 2, for built-in doctor solution; Desulfurization liquid layer 3 receives the doctor solution fallen from spraying layer 2, doctor solution is avoided to flow down along desulfurizing tower inwall, form the large area corrosion to described inwall and pollution, doctor solution is limited in desulfurization liquid layer 3, can realize better controlling to the temperature of doctor solution, concentration and pH, thus improve efficiency and the effect of desulfurization.
Air inlet layer 4, it is arranged at below described desulfurization liquid layer 3 and is also communicated with desulfurization liquid layer 3, dividing plate 6 is provided with between described desulfurization liquid layer 3 and air inlet layer 4, described dividing plate 6 is provided with multiple through dividing plate 6 and extend as described in the hollow tube 7 of certain distance in desulfurization liquid layer 3, the tube wall of the part that described hollow tube 7 is arranged in desulfurization liquid layer 3 is provided with multiple hole, and described hollow tube 7 is opened on described air inlet layer 4; Hollow tube 7 achieves the connection between air inlet layer 4 and desulfurization liquid layer 3, flue gas enters desulfurization liquid layer 3 by hollow tube 7 from air inlet layer 4, and carry out contacting and reacting with doctor solution wherein, the effect of described hole is that flue gas is dispersed into numerous minute bubbles, increase the contact area of flue gas and doctor solution, the speed that reducing smoke rises, the time that increase flue gas and doctor solution react, thus improve the effect of desulfurization; The method increasing pore quantity has: one is the density improving hole, namely the interval between hole is reduced as far as possible, two is the surface areas increasing hollow tube 7, this can by making various shape by hollow tube 7, increase hollow tube 7 in desulfurization liquid layer 3 with the contact area of doctor solution, hollow tube 7 is arranged to helical form by the utility model, hollow tube 7 can be arranged to other shapes according to this principle those skilled in the art, and its object is all the contact area increasing hollow tube 7 and doctor solution.
In addition, described air inlet layer 4 be set to two ends internal diameter be greater than middle part internal diameter and sidewall be certain radian bend tubular; According to Venturi effect, after flue gas enters air inlet layer 4, its rate of climb can accelerate at the minimum place of internal diameter, therefore flue gas can at faster speed by the hole of hollow tube 7, enter desulfurization liquid layer 3, spraying layer 2 and demist layer 1, on the whole to effect flue gas rising to acceleration, improve the efficiency of work.
Hydrops layer 5, it is arranged at below described air inlet layer 4 and is also communicated with air inlet layer 4, the object that hydrops layer 5 is arranged is to receive the doctor solution leaked from desulfurization liquid layer 3, breather check valve is backed down at flue gas, enter in the process of hollow tube 7, a small amount of doctor solution can flow down along hollow tube 7, and hydrops layer 5 collects these doctor solutions leaked, and waits for and again utilizing.
In described flue gas two stage desulfurizing tower, described hollow tube 7 is set to helical form, described hollow tube 7 distance extended in desulfurization liquid layer 3 is not less than 2/3 of desulfurization liquid layer 3 height, and in described desulfurization liquid layer 3 height of doctor solution for being as the criterion by hollow tube 7 described in submergence, described hollow tube 7 also can be arranged to spherical, it is no matter helical form or spherical, its object is all the contact area increasing hollow tube and doctor solution, after doctor solution covers hollow tube 7 and floods, guarantee flue gas contacts with doctor solution and reacts, under described desulfurizing tower duty, the capacity of the doctor solution in desulfurization liquid layer 3 remains on more than 90% the best.
In described flue gas two stage desulfurizing tower, the lower ending opening of described hollow tube 7 is set to inverted funnel-form, described opening is arranged to inverted funnel-form and flue gas can be made to assemble, and accelerate through helix tube 7, increase work efficiency.
In described flue gas two stage desulfurizing tower, the top of the lower ending opening of described hollow tube 7 is provided with the breather check valve for preventing doctor solution from leaking, under the state not passing into flue gas, breather check valve is closed, doctor solution cannot be leaked downwards by hollow tube 7, and after passing into flue gas, flue gas backs down breather check valve, pour in hollow tube 7, and enter desulfurization liquid layer 3 from described hole.
In described flue gas two stage desulfurizing tower, on described hollow tube 7 tube wall, the aperture of hole is set to 0.1
2cm, hole is less, the bubble formed is less, desulfurized effect is also better, but equally also can be larger to the resistance of flue gas, therefore will ensure that bubble is enough little, ensure that pressure can not make flue gas adverse current simultaneously, just must make the specification that the aperture of hole keeps certain, the aperture of hole is arranged on 0.1-2cm according to the size of factory smoke discharge capacity and the quantity of hollow tube by the utility model, fully ensure that the unimpeded of flue gas.
In described flue gas two stage desulfurizing tower, described desulfurizing tower also comprises demist layer 1, and it is arranged on the top of described spraying layer 2 and communicates with described spraying layer 2, the top of described desulfurizing tower is also provided with the exhaust outlet 9 in communicating with described demist layer 1, can not land after the fog-like liquid that spraying layer 2 sprays and flue gas hybrid reaction at once, two is along with flue gas is up altered together, at this moment demist layer 1 has just played a significant role, demist layer 1 is traditionally arranged to be fine and close network structure, fog-like liquid sticks on network structure, pool drop, final drippage, thus arrive the effect of demist, clean flue gas is finally discharged from exhaust outlet 9, the fume treatment step of general factory is: out of stock-dedusting-desulfurization, so can directly pass into chimney from the flue gas of exhaust outlet 9 discharge to enter atmosphere, the design of desulfurizing tower described in the utility model, from top to bottom, all meet the inertia that flue gas rises, save energy, indirectly reduce cost.
In described flue gas two stage desulfurizing tower, described desulfurization liquid layer 3 side wall upper part is provided with the feed tube 10 passing into doctor solution, the lower sidewall at feed tube 10 diagonal angle is provided with the drain pipe 11 of discharging doctor solution, feed tube 10 other end is communicated with sedimentation basin 13 after being communicated with water pump 12, drain pipe 11 is directly communicated with sedimentation basin 13 by pipeline, drain pipe 11 is also provided with a water valve, the discharge capacity of doctor solution is controlled by water valve, keep the liquid level in desulfurization liquid layer 3, ensure that doctor solution can flood helix tube 7; Feed tube 10 and drain pipe 11 diagonal angle arrange and the flow direction of doctor solution can be made contrary with the flow direction of flue gas, increase the resistance that flue gas bubble rises, the reaction time of prolong smoke and doctor solution, improve desulfurized effect.
In described flue gas two stage desulfurizing tower, the lower end sidewall of described hydrops layer 5 is provided with delivery port 14, described delivery port 14 is communicated with sedimentation basin 13 by pipeline, doctor solution in hydrops layer 5 can get back to rapidly sedimentation basin 13 by delivery port 14, and again utilize, this avoid the inwall that doctor solution long time sedimentation corrodes hydrops layer 5 in hydrops layer 5.
In described flue gas two stage desulfurizing tower, described doctor solution is calcium-based desulfurization liquid or sodium base doctor solution, calcium-based desulfurization liquid mainly aqua calcis, and sulfur dioxide and calcium hydroxide reaction finally obtain calcium sulfate; Sodium base doctor solution mainly sodium hydroxide solution, obtains sodium sulfite and sodium hydrogensulfite after NaOH and sulfur dioxide reaction, then enters sedimentation basin 13 from pipeline, continue to serve as doctor solution after being reduced into NaOH in sedimentation basin 13 by calcium hydroxide.
In described flue gas two stage desulfurizing tower, the top of described spraying layer 2 is provided with at least one shower 15, and straight down, described shower 15 other end is communicated with described water pump 12 through spraying layer 2 sidewall shower 15 port, at least one deck circular cyclone plate 16 has been horizontally disposed with immediately below described shower 15 port, the edge of described circular cyclone plate 16 is inscribed within the inwall of described spraying layer 2 and welds with described inwall, the structure of circular cyclone plate 16 is that an annulus inside is provided with multiple blade, blade taper end is connected in center, butt end is welded on annulus, the center of circular cyclone plate 16 is provided with collecting tank, collecting tank is communicated with each blade, liquid in collecting tank can be assigned on each blade, thin liquid layer is formed on the surface of blade, because each blade presents the rotation of certain angle, so circular cyclone plate 16 pairs of gases have the effect of water conservancy diversion, air-flow blows out droplet thin liquid layer, mix with flue gas, contact with each other or react, the utility model arrange one deck circular cyclone plate 16 be because: after desulfurization liquid layer 3 and one deck circular cyclone plate 16, have received good desulfurized effect, desulfurization degree is more than 98%, there is no need to arrange the operating efficiency that multi-layer circular spiral board 16 reduces desulfurizing tower described in the utility model again, certain technical staff also can arrange the circular cyclone plate 16 of varying number according to different situations.
The process that the utility model realizes: flue gas enters air inlet layer 4 by air inlet 8, after air inlet layer 4 accelerates, enter hollow tube 7, flue gas is by the numerous minute bubbles of the hole formation of hollow tube 7, the abundant haptoreaction of doctor solution in minute bubbles and desulfurization liquid layer 3, most of sulfur-containing compound in flue gas is removed, obtain comparatively pure flue gas, flue gas is altered on continuing, the doctor solution aerosol exposure sprayed through circular cyclone plate 16 and shower 15 reacts, obtain clean flue gas, last flue gas is 9 discharges after exhaust after demist layer 1 demist.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in description and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (10)
1. a flue gas two stage desulfurizing tower, is characterized in that, comprising:
Spraying layer, it is arranged at described desulfurizing tower top;
Desulfurization liquid layer, it is arranged at below described spraying layer and is also communicated with spraying layer, for built-in doctor solution;
Air inlet layer, it is arranged at below described desulfurization liquid layer and is also communicated with desulfurization liquid layer, dividing plate is provided with between described desulfurization liquid layer and air inlet layer, described dividing plate is provided with multiple through dividing plate and extend as described in the hollow tube of certain distance in desulfurization liquid layer, the tube wall of the part that described hollow tube is arranged in desulfurization liquid layer is provided with multiple hole, and described hollow tube is opened on described air inlet layer;
In addition, described air inlet layer be set to two ends internal diameter be greater than middle part internal diameter and sidewall be certain radian bend tubular;
Hydrops layer, it is arranged at below described air inlet layer and is also communicated with air inlet layer.
2. flue gas two stage desulfurizing tower as claimed in claim 1, it is characterized in that, described hollow tube is set to helical form, and the described hollow tube distance extended in desulfurization liquid layer is not less than 2/3 of doctor solution layer height, and in described desulfurization liquid layer the height of doctor solution for being as the criterion by hollow tube described in submergence.
3. flue gas two stage desulfurizing tower as claimed in claim 2, it is characterized in that, the lower ending opening of described hollow tube is set to inverted funnel-form.
4. flue gas two stage desulfurizing tower as claimed in claim 3, it is characterized in that, the top of the lower ending opening of described hollow tube is provided with the breather check valve for preventing doctor solution from leaking.
5. flue gas two stage desulfurizing tower as claimed in claim 1, it is characterized in that, on described hollow tube tube wall, the aperture of hole is set to 0.1-2cm.
6. flue gas two stage desulfurizing tower as claimed in claim 1, it is characterized in that, described desulfurizing tower also comprises demist layer, and it is arranged on the top of described spraying layer and communicates with described spraying layer; The top of described desulfurizing tower is also provided with the exhaust outlet in communicating with described demist layer.
7. flue gas two stage desulfurizing tower as claimed in claim 1, it is characterized in that, described desulfurization liquid layer side wall upper part is provided with the feed tube passing into doctor solution, the lower sidewall at feed tube diagonal angle is provided with the drain pipe of discharging doctor solution, the feed tube other end is communicated with sedimentation basin after being communicated with water pump, and drain pipe is directly communicated with sedimentation basin by pipeline.
8. flue gas two stage desulfurizing tower as claimed in claim 1, it is characterized in that, the lower end sidewall of described hydrops layer is provided with delivery port, and described delivery port is communicated with sedimentation basin by pipeline.
9. flue gas two stage desulfurizing tower as claimed in claim 1, it is characterized in that, described doctor solution is calcium-based desulfurization liquid or sodium base doctor solution.
10. flue gas two stage desulfurizing tower as claimed in claim 7, it is characterized in that, the top of described spraying layer is provided with at least one shower, and straight down, the described shower other end is communicated with described water pump through spraying layer sidewall shower port; Immediately below described shower port, be horizontally disposed with at least one deck circular cyclone plate, the edge of described spiral board is inscribed within the inwall of described spraying layer and welds with described inwall.
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| CN201420663492.8U CN204337998U (en) | 2014-11-07 | 2014-11-07 | A kind of flue gas two stage desulfurizing tower |
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| CN201420663492.8U CN204337998U (en) | 2014-11-07 | 2014-11-07 | A kind of flue gas two stage desulfurizing tower |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307342A (en) * | 2014-11-07 | 2015-01-28 | 广西南宁华国环境科技有限公司 | Two-stage flue gas desulfurizing tower |
| CN104888596A (en) * | 2015-05-29 | 2015-09-09 | 安徽育安实验室装备有限公司 | Laboratory exhaust treatment device |
| CN107362675A (en) * | 2016-05-12 | 2017-11-21 | 南京凯盛国际工程有限公司 | Cement kiln flue gas while desulfuration demercuration system and method |
| CN107754599A (en) * | 2017-10-20 | 2018-03-06 | 山东中源节能环保科技有限公司 | A kind of high/low temperature gaseous recombination desulfurization denitration method |
| CN109621687A (en) * | 2017-10-09 | 2019-04-16 | 陈雅华 | Flue gas and the contact desulfuriation of Multilayer Network liquid film, denitration, dedusting, heat-exchange method |
| CN116808803A (en) * | 2023-08-28 | 2023-09-29 | 国能龙源环保有限公司 | Desulfurization system |
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2014
- 2014-11-07 CN CN201420663492.8U patent/CN204337998U/en not_active Expired - Fee Related
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| CN104307342A (en) * | 2014-11-07 | 2015-01-28 | 广西南宁华国环境科技有限公司 | Two-stage flue gas desulfurizing tower |
| CN104888596A (en) * | 2015-05-29 | 2015-09-09 | 安徽育安实验室装备有限公司 | Laboratory exhaust treatment device |
| CN104888596B (en) * | 2015-05-29 | 2018-03-02 | 安徽育安实验室装备有限公司 | A kind of device for processing laboratory waste gas |
| CN107362675A (en) * | 2016-05-12 | 2017-11-21 | 南京凯盛国际工程有限公司 | Cement kiln flue gas while desulfuration demercuration system and method |
| CN109621687A (en) * | 2017-10-09 | 2019-04-16 | 陈雅华 | Flue gas and the contact desulfuriation of Multilayer Network liquid film, denitration, dedusting, heat-exchange method |
| CN107754599A (en) * | 2017-10-20 | 2018-03-06 | 山东中源节能环保科技有限公司 | A kind of high/low temperature gaseous recombination desulfurization denitration method |
| CN107754599B (en) * | 2017-10-20 | 2024-02-06 | 山东中源节能环保科技有限公司 | High-low temperature gas phase composite desulfurization and denitrification method |
| CN116808803A (en) * | 2023-08-28 | 2023-09-29 | 国能龙源环保有限公司 | Desulfurization system |
| CN116808803B (en) * | 2023-08-28 | 2023-11-17 | 国能龙源环保有限公司 | Desulfurization system |
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