Summary of the invention
Technical problem to be solved by this invention is, provides that high to initial dustiness degree and that dust size is little dusty gas better dust removal effect, compact conformation, efficiency are high, hole for water spraying is easily processed and does not allow susceptible to plugging efficient compound dust arrester.
For solving the problems of the technologies described above, efficient compound dust arrester provided by the invention, it comprises:
First dedusting mechanism, this first dedusting mechanism comprises one first housing, this first housing has an air inlet and a gas outlet, many first water pipes are provided with in first housing, the gap passed through for dusty gas is left between adjacent two first water pipe radial directions, the side of gas outlet near the first housing of arbitrary neighborhood two first water pipes is provided with the elongated hole that the length direction along the first water pipe extends, in the cross section of these two first water pipes, with the intersect vertical axis of water pipe and through two ray intersection of elongated hole;
Second dedusting mechanism, this second dedusting mechanism comprises one vertically to the first cylindrical shell arranged, first cylindrical shell is provided with an air inlet and a gas outlet, the air inlet of the first cylindrical shell is connected with the gas outlet of the first housing, a sidewall of the air inlet of the first cylindrical shell and the inwall of the first cylindrical shell tangent;
3rd dedusting mechanism, 3rd dedusting mechanism comprises an eccentric blower fan and one second housing, this second housing has an air inlet and a gas outlet, this eccentric blower fan has air entry and a tangential exhaust outlet of an axis, the gas outlet of this second housing is connected with the air entry of eccentric blower fan, the air inlet of this second housing is connected with the gas outlet of the first cylindrical shell, one second water pipe is provided with in this second housing, the end of this second water pipe is provided with a nozzle, the hole for water spraying of this nozzle near and towards the air entry of eccentric blower fan, the aperture of hole for water spraying is 6 ~ 7 millimeters.
After adopting above structure, the present invention compared with prior art, has following advantage:
The present invention in use, dusty gas is successively through the first dedusting mechanism, second dedusting mechanism and the 3rd dedusting mechanism, in the first dedusting mechanism, dusty gas by two-phase border on the river pipe radial clearance after form strong turbulent phenomenon, there is violent collision in the water sprayed with the elongated hole place of the first water pipe, fine liquid particles is formed in the first dedusting mechanism, dusty gas is through the first dedusting mechanism, dust in dusty gas is attached in fine liquid particles, fall due to gravity after part dust mixes with fine liquid particles, so just part dust is removed, first time dedusting has been carried out to dusty gas, the second dedusting mechanism is entered into from the first dedusting mechanism dusty gas out, the fine liquid particles that attached to dust rotates along the inwall of the first cylindrical shell, the fine liquid particles that attached to dust is thrown on the inwall of the first cylindrical shell, so just second time dedusting is carried out to dusty gas, the 3rd dedusting mechanism is entered into from the second dedusting mechanism dusty gas out, in the 3rd dedusting mechanism, then water enter in eccentric blower fan from the hole for water spraying ejection of nozzle, the centrifugal force produced due to eccentric blower fan and powerful perturbation action force dust to mix with water and are thrown on the inwall of eccentric blower fan, so just third time dedusting is carried out to dusty gas, after third dedusting, dust in dusty gas is removed substantially completely, good dedusting effect and efficiency of dust collection is high, and due to hole for water spraying ejection water do not need produce water smoke, what make the aperture of the hole for water spraying on nozzle not need to do is too little, make this hole for water spraying be easier to processing and be not easy blocking, make equipment failure rate low, make the hydraulic pressure on nozzle not need too high simultaneously, booster pump is not needed to carry out supercharging, make cost lower.
Accompanying drawing explanation
Fig. 1 is the structural representation of efficient compound dust arrester of the present invention;
Fig. 2 is the structural representation of the first dedusting mechanism;
Fig. 3 is the side view of the first dedusting mechanism;
Fig. 4 is the A-A direction view in Fig. 3;
Fig. 5 is the B-B direction view in Fig. 4;
Fig. 6 is the schematic diagram of the cross section of adjacent two water pipes;
Fig. 7 is the structural representation that the first dedusting mechanism is connected with the second dedusting mechanism;
Fig. 8 is the structural representation of the 3rd dedusting mechanism;
Fig. 9 is the structural representation of the second housing;
Figure 10 is the transverse sectional view of the second housing;
Figure 11 is the structural representation of eccentric blower fan;
Figure 12 is the structural representation of the impeller of eccentric blower fan;
Figure 13 is that the 3rd dedusting is beaten a drum the structural representation be connected with the 4th dedusting mechanism;
Figure 14 is the C-C direction view in Fig. 1.
Wherein, the 101, first housing; 102, the first water pipe; 103, elongated hole; 104, air inlet; 105, gas outlet; 106, feed pipe; 107, dividing plate; 108, the first cylindrical shell; 109, air inlet; 110, the first pipeline; 111, gas outlet; 112, second pipe; 113, osculum; 201, eccentric blower fan; 202, the second housing; 203, air inlet; 204, gas outlet; 205, air entry; 206, exhaust outlet; 207, the second water pipe; 208, nozzle; 209, hole for water spraying; 210, blade; 211, the second cylindrical shell; 212, air inlet; 213, the 3rd pipeline; 214, spiral case; 215, impeller; 216, motor; 217, gas outlet; 218, inspection socket; 219 osculums; 3, wind guide component; 301, Circular Plate; 302, plectane; 303, wind deflector.
detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in more detail.
As shown in Figure 1, efficient compound dust arrester of the present invention comprises the first dedusting mechanism, the second dedusting mechanism and the 3rd dedusting mechanism.
Shown in Fig. 2 ~ Fig. 5, first dedusting mechanism comprises one first housing 101, this first housing 101 has air inlet 104 and a gas outlet 105, air inlet 104 is for passing into dusty gas, many first water pipes 102 are provided with in first housing 101, many first water pipes 102 are parallel to each other, gap is left between adjacent two first water pipe 102 radial directions, first water pipe 102 of following all is communicated with a feed pipe 106 more, feed pipe 106 is provided with water intaking valve whether to supply water to the first water pipe 102 for controlling, gap between adjacent two first water pipe 102 radial directions is used for passing through for dusty gas, with reference to Fig. 4, be provided with five first water pipes 102 altogether, be designated as the first water pipe A from top to bottom respectively, first water pipe B, first water pipe C, first water pipe D and the first water pipe E, between first water pipe A and the first water pipe B, between first water pipe B and the first water pipe C, between first water pipe C and the first water pipe D, gap is provided with between first water pipe D and the first water pipe E, the upper side wall of the first water pipe A and the first housing 101 is tightly connected by dividing plate 107, the lower wall of the first water pipe E and the first housing 101 is tightly connected by dividing plate 107.
As shown in Figure 6, the side of the close gas outlet 105 of arbitrary neighborhood two first water pipes 102 is provided with the elongated hole 103 that the length direction along the first water pipe 102 extends, in the cross section of these two first water pipes 102, two ray a with the intersect vertical axis of water pipe 102 and through elongated hole 103 are crossing, that is wherein on first water pipe 102 with the intersect vertical axis of this first water pipe 102 and through the elongated hole 103 of this first water pipe 102 ray a with on another root first water pipe 102 with the intersect vertical axis of this first water pipe 102 and the ray a of the elongated hole 103 of this first water pipe 102 of process is crossing, wherein the first water pipe A and the first water pipe E is provided with an elongated hole 103, first water pipe B, all symmetrically on first water pipe C and the first water pipe D be provided with two elongated holes 103, in the cross section of this arbitrary neighborhood two first water pipes 102, the extended line of axis of the elongated hole 103 wherein on first water pipe 102 and the angle of the vertical line of two first water pipes 102 are X, the extended line of axis of the elongated hole 103 wherein on another root first water pipe 102 and the angle of the vertical line of two first water pipes 102 are Y, wherein the angle of angle X and Y is 10 ~ 45 degree, in figure, a is with the intersect vertical axis of the first water pipe 102 and passes through the ray of the elongated hole 103 on this first water pipe 102, b is the angle of the vertical line of two first water pipes 102, the namely connecting line of the central point of two the first water pipes 102.
Preferably, the angle of described angle X and Y is equal and be 20 degree, equal the making of the angle of angle X and Y processes elongated hole 103 more for convenience on the first water pipe 102, and when the angle of angle X and Y is 20 degree, water is easier to form water smoke after elongated hole 103 sprays.
The water supply pressure of many first water pipes 102 is normal pressure, i.e. 0.1 MPa, and that is when being supplied water to the first water pipe 102 by water pump, the hydraulic pressure of water delivery side of pump is 0.1 MPa.
During the first dedusting mechanism work, water in first water pipe 102 sprays from elongated hole 103, gas flow rate in first housing 101 is 40m/s ~ 120m/s, according to the principle of Venturi effect, turbulent phenomenon is formed in the first housing 101, when dusty gas is by the first housing 101, dust in turbulent motion and water produce the mixed liquor that strong collision forms dust and fine liquid particles, then due to Action of Gravity Field, the mixed liquor of dust and fine liquid particles drops to the bottom of the first housing 101, so just dust in gas is removed, all kinds of dust in gas can be removed by the present invention, better dust removal effect, the dust of bottom and the mixed liquor of fine liquid particles that drop to the first housing 101 flow out the first housing 101 from the gas outlet 105 of the first housing 101.
As shown in Figure 7, second dedusting mechanism comprises one first cylindrical shell 108, this first cylindrical shell 108 is vertically to setting, first cylindrical shell 108 is provided with air inlet 109 and a gas outlet 111, the gas outlet 105 of the first housing 101 is connected by one first pipeline 110 with the air inlet 109 of the first cylindrical shell 108, one sidewall of the air inlet 109 of the first cylindrical shell 108 and the inwall of the first cylindrical shell 108 tangent, that is the inwall of the first pipeline 110 and the inwall of the first cylindrical shell 108 tangent.
During the second dedusting mechanism work, gas in first housing 101 flows in the first cylindrical shell 108 by the first pipeline 110, due to a sidewall of air inlet 109 and the inwall of the first cylindrical shell 108 tangent, the inwall that gas is flowed into along the first cylindrical shell 108 after in the first cylindrical shell 108 rotates, because the dust in gas cannot remove by the first dedusting mechanism completely, residual dust is gone back effluent air in the first housing 101, and the dust in gas is owing to being attached in fine liquid particles, make gas along the first cylindrical shell 108 inwall rotate time, dust residual in gas is attached in fine liquid particles, the mixed liquor of dust and fine liquid particles is attached on the inwall of the first cylindrical shell 108, so just second time dedusting is carried out to dusty gas, and first the bottom of cylindrical shell 108 be provided with an osculum 113, the mixed liquor being attached to dust on the inwall of the first cylindrical shell 108 and fine liquid particles flows to the bottom of the first cylindrical shell 108 due to Action of Gravity Field, discharged by osculum 113, and first after the mixed liquor of dust bottom housing 101 and fine liquid particles flows out from gas outlet 105, flow in the first cylindrical shell 108 by the first pipeline 110, and discharged by osculum 113.
As shown in Figure 8, the 3rd dedusting mechanism comprises eccentric blower fan 201 and one second housing 202.
By Fig. 9, second housing 202 has air inlet 203 and a gas outlet 204, air inlet 203 is positioned at the lower surface of the second housing 202, gas outlet 204 is positioned at a side of the second housing 202, the air inlet 203 of this second housing 202 is connected by second pipe 112 with the gas outlet 111 of the first cylindrical shell 108, one second water pipe 207 is provided with in this second housing 202, second water pipe 207 is its water supply by booster pump, the end being positioned at the second housing 202 of the second water pipe 207 is provided with a nozzle 208, nozzle 208 is communicated with the second water pipe 207, water in second water pipe 207 is sprayed by the hole for water spraying 209 on nozzle 208, the hole for water spraying 209 of this nozzle 208 near and towards the air entry 205 of eccentric blower fan 201, the aperture of hole for water spraying 209 is 10 ~ 20 millimeters.
The water supply pressure of the second water pipe 207 is normal pressure, i.e. 0.1MPa, and that is when being supplied water to the second water pipe 207 by water pump, the hydraulic pressure of water delivery side of pump is 0.1 MPa.
As shown in Figure 10, the second described water pipe 207 comprises straight tube 2071 and a curved pipe 2072, straight tube 2071 run through be arranged on the second housing 202 a sidewall on, the water inlet end of straight tube 2071 is connected with supercharging delivery side of pump, the water side of straight tube 2071 is connected with one end of curved pipe 2072, nozzle 208 is arranged on the other end of curved pipe 2072, the direction of the second water pipe 207 can be changed by curved pipe 2072, like this, the position of the second water pipe 207 is arranged more flexible, the installation of convenient second water pipe 207, and an inspection socket 218 is provided with on the second housing 202, that is on the second housing 202, an opening is provided with, opening is provided with an openable lid, can by inspection socket 218 second housing 202 inside be checked and be cleared up, more for convenience.
As shown in Figure 11, eccentric blower fan 201 comprises spiral case 214, impeller 215 and a motor 216, spiral case 214 is provided with air entry 205 and a tangential exhaust outlet 206 of an axis, one sidewall of exhaust outlet 206 and the inwall of spiral case 214 tangent, the gas outlet 204 of the second housing 202 is connected with the air entry 205 of spiral case 214.
As shown in Figure 12, the blade 210 of the impeller 215 of described eccentric blower fan 201 is prismatic blade, prismatic blade can prevent dust to be trapped on this blade, even if dust is trapped in also than being easier to cleaning on prismatic blade, the distance of the end of each blade 210 in impeller 215 and the inwall of spiral case 214 is that gradual change increases.
During the 3rd dust arrester work, water in second water pipe 207 is normal pressure, i.e. 0.1 MPa, water in second water pipe 207 is sprayed by the hole for water spraying 209 of nozzle 208 and then enters in eccentric blower fan 201, turbulent phenomenon is formed due to the effect of eccentric blower fan 201, gas flow rate in second housing 202 is 80m/s ~ 180m/s, eccentric blower fan 201 works, motor 216 impeller 215 is rotated, gas in first cylindrical shell 108 flows out from gas outlet 111, gas is entered after in the second housing 202 from the air inlet 203 of the second housing 202 by second pipe 112, due to also part dust may be contained in gas, dusty gas enters into after in eccentric blower fan 201, dust residual in dusty gas is attached in the fine liquid particles that produced by turbulent flow, dust is along with on the inwall of fine liquid particles is thrown to eccentric blower fan 201, such dust is just separated from gas, so just third time dedusting is carried out to dusty gas, spiral case 214 is flowed out from the exhaust outlet 206 spiral case 214 after on the inwall that the mixed liquor of dust and fine liquid particles is attached to spiral case 214.
As shown in Figure 13, efficient compound dedusting mechanism of the present invention also comprises the 4th dedusting mechanism, 4th dedusting mechanism comprises one second cylindrical shell 211, second cylindrical shell 211 is vertically to setting, second cylindrical shell 211 is provided with air inlet 212 and a gas outlet 217, the eccentric exhaust outlet 206 of blower fan 201 is connected by one the 3rd pipeline 213 with the air inlet 212 of the second cylindrical shell 211, one sidewall of the air inlet 212 of the second cylindrical shell 211 and the inwall of the second cylindrical shell 211 tangent, that is a sidewall of the 3rd pipeline 213 and the inwall of the second cylindrical shell 211 tangent.
During the 4th dedusting mechanism work, the gas got rid of from exhaust outlet 206 enters in the second cylindrical shell 211, due to a sidewall of air inlet 212 and the inwall of the second cylindrical shell 211 tangent, enter into after in the second cylindrical shell 211 at gas, gas rotates in the second cylindrical shell 211, and also may remain a little dust due in now gas, and residual dust is attached in fine liquid particles, when gas rotates along the second cylindrical shell 211 inwall, dust is thrown on the inwall of the second cylindrical shell 211 along with accompanying fine liquid particles, dust residual in such gas is just from gas from being separated, so just the 4th dedusting is carried out to dusty gas, dust removing effects is very good, completely not containing dust from the gas that gas outlet 217 is discharged, and second the bottom of cylindrical shell 211 be provided with an osculum 219, osculum 219 is communicated with the first cylindrical shell 108, the mixed liquor being attached to dust on the inwall of the second cylindrical shell 211 and fine liquid particles flows to the bottom of the second cylindrical shell 211 due to Action of Gravity Field, flow in the first cylindrical shell 108 by osculum 219, then discharged by the osculum 113 bottom the first cylindrical shell 108, and after the mixed liquor of dust in the spiral case 214 of eccentric blower fan 212 and fine liquid particles flows out from gas outlet 204, flow in the second cylindrical shell 211 by the 3rd pipeline 213, and flow in the first cylindrical shell 108 by osculum 219, then discharged by the osculum 113 bottom the first cylindrical shell 108.
As shown in figure 14, a wind guide component 3 is provided with in the first described cylindrical shell 108, between the air inlet 109 that wind guide component 3 is arranged at the first cylindrical shell 108 and gas outlet 111, wind guide component 3 is for making the air-flow in the first cylindrical shell 108 along the inwall annularly flow of the first cylindrical shell 108.
Described wind guide component 3 comprises one and the fixing Circular Plate 301 of first inwall of cylindrical shell 108, one with the plectane 302 of Circular Plate 301 concentric, be connected to the multiple wind deflectors 303 be obliquely installed between Circular Plate 301 and plectane 302, when eccentric blower fan 201 works, gas in first housing 101 is inhaled in the first cylindrical shell 108, owing to being provided with wind deflector 303, wind deflector 303 plays guide effect to the air-flow in the first cylindrical shell 101, the gas be inhaled in the first cylindrical shell 108 can better be rotated along the inwall of the first cylindrical shell 108 rise, gas in first cylindrical shell 101 can better be contacted with the inwall of the first cylindrical shell 101, the dust in gas is made can be more attached on the inwall of the first cylindrical shell 101, make the dust removing effects of the first cylindrical shell 108 better.
Below only apply preferably example with regard to the present invention and made explanation, but can not be interpreted as it is limitations on claims, structure of the present invention can have other to change, and is not limited to said structure.In a word, all various changes done in the protection domain of independent claims of the present invention are all in protection scope of the present invention.