Utility model content
For the defect that prior art exists, the utility model provides a kind of industrial waste-gas purifier for industrial chimney, can effectively solve the problem.
The technical solution adopted in the utility model is as follows:
The utility model provides a kind of industrial waste-gas purifier for industrial chimney, the exhaust outlet (2) that enters of chimney (1) forms waste air passage to waste discharge gas port (3), in the inside of chimney, press direction from bottom to top, be fixedly installed n and support transverse slat (10); The edge of each described support transverse slat (10) and described chimney (1) inner wall sealing, each described support transverse slat (10) is arranged in parallel m plasma generator (5); Wherein, m and n is natural number;
Each described plasma generator (5) includes anode (5-1) and the negative electrode (5-2) of mutually insulated; Described anode (5-1) is hollow cylindrical form; Described negative electrode (5-2) is for shaft-like, described negative electrode (5-2) is fixedly installed on the axle center of described anode (5-1), between described anode (5-1) and described negative electrode (5-2), form plasma annular compartment, the axis of described plasma annular compartment is consistent with the flow direction that gas purifies in described chimney (1);
In addition, also comprise: at least a slice spoiler (7) and power supply (6);
Each described spoiler (7) is arranged at the inside of described chimney (1), and is positioned at the top of described support transverse slat (10);
The described anode (5-1) of plasma generator described in each (5) and described negative electrode (5-2) are connected respectively to positive pole and the negative pole of described power supply (6).
Preferably, described power supply (6) is installed on the outside of described chimney (1);
Support described in each transverse slat (10) at equal intervals or unequal interval arrange.
Preferably, described plasma generator (5) also comprises: the 1st insulator (5-4), the 2nd insulator (5-5) and the 3rd insulator (5-6);
By offering installing hole described support transverse slat (10), described anode (5-1) sealing of described hollow cylindrical form is arranged at described installing hole;
Described 1st insulator (5-4) and described 2nd insulator (5-5) are fixedly installed on respectively and are positioned on the described support transverse slat (10) of described installing hole both sides, and the top transverse horizontal of described 1st insulator (5-4) and described 2nd insulator (5-5) arranges described 3rd insulator (5-6); The top of shaft-like described negative electrode (5-2) hangs on the middle part of described 3rd insulator (5-6).
Preferably, described negative electrode (5-2) is fixedly installed multiple prickle (5-2-1) in horizontal emission shape.
Preferably, the angle of adjacent described prickle is all equal.
The utility model also provides a kind of method for purifying waste gases for industrial chimney, comprises the following steps:
S1, when needs purify industrial waste gas, starts power supply (6); Power supply (6) is powered to each plasma generator (5) simultaneously;
After each plasma generator (5) energising, the annular housing formed between negative electrode (5-2) and anode (5-1) produces electric field, and then produces plasma;
If arrange y altogether to support transverse slat (10), therefore, there is y level purification process altogether, press direction from bottom to top, be designated as successively: the 1st grade of purification, the 2nd grade of purification ... y level purifies; Y is natural number;
S1.1: the 1 grade of purification process:
Under the effect of chimney (1) negative pressure, sucked by the exhaust outlet (2) that enters of industrial waste gas from chimney (1), first waste gas enter into the 1st grade of plasma generator of the bottom; 1st grade of plasma generator inner chamber produces a large amount of plasma under the effect of electric field, plasma is to from bottom, the contaminant molecule flow in the waste gas of inner chamber bombards, contaminant molecule is made to ionize, dissociate and excite, thus make contaminant molecule be degraded to simple substance molecular structure and the safe material molecule low to harm, produce active ion derivative simultaneously; The gas carrying active ion derivative produced is sucked into the 2nd grade of plasma generator from the top of the 1st grade of plasma generator inner chamber;
S1.2: the 2 grade of plasma generator carries out the 2nd grade of purification to the gas after the 1st grade of plasma generator process, and purified gas is drawn into 3rd level plasma generator; The rest may be inferred, realizes gas multistage purification process;
Finally, through y level plasma generator purified gas, under the effect of chimney negative pressure, by spoiler (7); Under the choked flow effect of spoiler (7), the active ion derivative discharged through y level plasma generator purified gas decomposes further, the air pollutants of external environment condition of degrading, reach the object of further Purge gas, be finally transported to external environment condition by waste discharge gas port (3).
Preferably, described active ion derivative is high energy electron and/or free radical and/or ozone ion.
Preferably, by controlling the magnitude of voltage that applies to described negative electrode (5-2) and described anode (5-1) and/or pulse signal, the plasma of different densities is obtained.
The industrial waste-gas purifier for industrial chimney that the utility model provides and purification method have the following advantages:
(1) directly multistage plasma generator group is set in chimney, and, often organize plasma generator and also comprise multiple plasma generator, on the one hand, realize, to the multistage large area purification of industrial waste gas, effectively improving purification efficiency and purification speed; On the other hand, directly plasma generator group is arranged in chimney, industrial waste gas is being passed through in the process of smoke stack emission, namely the purification to industrial waste gas is realized, do not need additionally independent in chimney outer setting waste gas purification apparatus, both saved the setup cost of purifier, and also do not needed completely additionally to take up room;
(2) in the process that each plasma is degraded to the pollutant in waste gas, can produce active ion, this active ion, when being discharged to clarifier and being outside, carries out the 2nd purification to clarifier extraneous air, therefore, there is the advantage that air purification efficiency is high;
(3) by the design of plasma generator version, effectively improve produce isoionic density, thus accelerate purification of air speed;
(4) overall structure has that cost is low, structure is simple, can the advantage of Long-Time Service repeatedly, be highly suitable for purifying industrial waste gas.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail:
The utility model provides a kind of industrial waste-gas purifier for industrial chimney, and the exhaust outlet 2 that enters of chimney 1 forms waste air passage to waste discharge gas port 3, in the inside of chimney, presses direction from bottom to top, is fixedly installed n and supports transverse slat 10; The edge of each support transverse slat 10 and chimney 1 inner wall sealing, each support transverse slat 10 is arranged in parallel m plasma generator 5; Wherein, m and n is natural number; Each support transverse slat 10 at equal intervals or unequal interval arrange.
Such as, with reference to figure 1, be the longitudinal sectional view of the industrial waste-gas purifier for industrial chimney, with reference to figure 2, for Fig. 1 is along A-A sectional view; As can be seen from Fig. 1 and Fig. 2, in Fig. 1 and concrete example illustrated in fig. 2, n=3, m=6.
Visible, in the utility model, entering between exhaust outlet 2 to waste discharge gas port 3 to arrange multistage plasma generator, reach the high-efficient purification effect to waste gas.
The industrial waste-gas purifier for industrial chimney that the utility model provides, is especially suitable for and is installed on the smokestack that diameter reaches tens meters, thus purify the waste gas of industrial discharge.
For the plasma generator 5 that the utility model provides, its architectural feature is:
Each plasma generator 5 includes anode 5-1 and the negative electrode 5-2 of mutually insulated; Anode 5-1 is hollow cylindrical form; Negative electrode 5-2 is shaft-like, and negative electrode 5-2 is fixedly installed on the axle center of anode 5-1, forms plasma annular compartment between anode 5-1 and negative electrode 5-2, and the axis of plasma annular compartment is consistent with the flow direction that gas purifies in chimney 1; By controlling the magnitude of voltage of anode 5-1 and negative electrode 5-2, making to produce electrical potential difference between anode 5-1 and negative electrode 5-2, can plasma be produced; Due in the utility model, anode 5-1 adopts hollow cylindrical form, and negative electrode 5-2 is shaft-like, and is arranged at the axle center of anode 5-1, this kind of arrangement form, effectively improves the density of produced plasma, thus improves the efficiency of purifying exhaust air; In addition, for improving the speed producing plasma further, and, for improving the density and quantity that produce plasma further, negative electrode 5-2 can also be fixedly installed multiple prickle 5-2-1 in horizontal emission shape, the angle of adjacent barbs is all equal, is expanded the active force of negative electrode and anode, produce more highdensity plasma by prickle.
Also comprise the supporting construction of plasma generator, that is: plasma generator 5 also comprises: the 1st insulator 5-4, the 2nd insulator 5-5 and the 3rd insulator 5-6;
By offering installing hole at support transverse slat 10, the anode 5-1 sealing of hollow cylindrical form is arranged at installing hole;
1st insulator 5-4 and the 2nd insulator 5-5 is fixedly installed on respectively and is positioned on the support transverse slat 10 of installing hole both sides, and the top transverse horizontal of the 1st insulator 5-4 and the 2nd insulator 5-5 arranges the 3rd insulator 5-6; The top of shaft-like negative electrode 5-2 hangs on the middle part of the 3rd insulator 5-6.
In addition, also comprise: power supply 6; The anode 5-1 of each plasma generator and negative electrode 5-2 is connected respectively to positive pole and the negative pole of power supply 6; Wherein, power supply 6 is external, is positioned at the outside of chimney.
In addition, for effective further, waste gas is purified, to support above transverse slat 10 and to be positioned at the inside of chimney 1, at least one spoiler being also installed, by installing spoiler, choked flow effect being carried out to the gas of discharge, extend the path of gas discharging process, make in gas discharge process, fully can contact mixing with the air in external environment, further air be purified.
The utility model also provides a kind of method for purifying waste gases for industrial chimney, comprises the following steps:
S1, when needs purify industrial waste gas, starts power supply 6; Power supply 6 is powered to each plasma generator 5 simultaneously;
After the energising of each plasma generator 5, the annular housing formed between negative electrode 5-2 and anode 5-1 produces electric field, and then produces plasma;
If arrange y altogether to support transverse slat 10, therefore, there is y level purification process altogether, press direction from bottom to top, be designated as successively: the 1st grade of purification, the 2nd grade of purification ... y level purifies; Y is natural number;
S1.1: the 1 grade of purification process:
Under the effect of chimney 1 negative pressure, sucked by the exhaust outlet 2 that enters of industrial waste gas from chimney 1, first waste gas enter into the 1st grade of plasma generator of the bottom; 1st grade of plasma generator inner chamber produces a large amount of plasma under the effect of electric field, plasma is to from bottom, the contaminant molecule flow in the waste gas of inner chamber bombards, contaminant molecule is made to ionize, dissociate and excite, thus make contaminant molecule be degraded to simple substance molecular structure and the safe material molecule low to harm, produce active ion derivative simultaneously; Such as, active ion derivative is high energy electron and/or free radical and/or ozone ion.The gas carrying active ion derivative produced is sucked into the 2nd grade of plasma generator from the top of the 1st grade of plasma generator inner chamber;
S1.2: the 2 grade of plasma generator carries out the 2nd grade of purification to the gas after the 1st grade of plasma generator process, and purified gas is drawn into 3rd level plasma generator; The rest may be inferred, realizes gas multistage purification process;
Finally, through y level plasma generator purified gas, under the effect of chimney negative pressure, by spoiler 7; Under the choked flow effect of spoiler 7, the active ion derivative discharged through y level plasma generator purified gas decomposes further, the air pollutants of external environment condition of degrading, reach the object of further Purge gas, be finally transported to external environment condition by waste discharge gas port 3.S1, when needs purify industrial waste gas, starts power supply 6; Power supply 6 is powered to each plasma generator 5 simultaneously;
After the energising of each plasma generator 5, the annular housing formed between negative electrode 5-2 and anode 5-1 produces electric field, and then produces plasma;
If arrange y altogether to support transverse slat 10, therefore, there is y level purification process altogether, press direction from bottom to top, be designated as successively: the 1st grade of purification, the 2nd grade of purification ... y level purifies; Y is natural number;
S1.1: the 1 grade of purification process:
Under the effect of chimney 1 negative pressure, sucked by the exhaust outlet 2 that enters of industrial waste gas from chimney 1, first waste gas enter into the 1st grade of plasma generator of the bottom; 1st grade of plasma generator inner chamber produces a large amount of plasma under the effect of electric field, plasma is to from bottom, the contaminant molecule flow in the waste gas of inner chamber bombards, contaminant molecule is made to ionize, dissociate and excite, thus make contaminant molecule be degraded to simple substance molecular structure and the safe material molecule low to harm, produce active ion derivative simultaneously; The gas carrying active ion derivative produced is sucked into the 2nd grade of plasma generator from the top of the 1st grade of plasma generator inner chamber;
S1.2: the 2 grade of plasma generator carries out the 2nd grade of purification to the gas after the 1st grade of plasma generator process, and purified gas is drawn into 3rd level plasma generator; The rest may be inferred, realizes gas multistage purification process;
Finally, through y level plasma generator purified gas, under the effect of chimney negative pressure, by spoiler 7; Under the choked flow effect of spoiler 7, the active ion derivative discharged through y level plasma generator purified gas decomposes further, the air pollutants of external environment condition of degrading, reach the object of further Purge gas, be finally transported to external environment condition by waste discharge gas port 3.
The industrial waste-gas purifier for industrial chimney that the utility model provides and purification method have the following advantages:
(1) directly multistage plasma generator group is set in chimney, and, often organize plasma generator and also comprise multiple plasma generator, on the one hand, realize, to the multistage large area purification of industrial waste gas, effectively improving purification efficiency and purification speed; On the other hand, directly plasma generator group is arranged in chimney, industrial waste gas is being passed through in the process of smoke stack emission, namely the purification to industrial waste gas is realized, do not need additionally independent in chimney outer setting waste gas purification apparatus, both saved the setup cost of purifier, and also do not needed completely additionally to take up room;
(2) in the process that each plasma is degraded to the pollutant in waste gas, can produce active ion, this active ion, when being discharged to clarifier and being outside, carries out the 2nd purification to clarifier extraneous air, therefore, has the advantage that air purification efficiency is high;
(3) by the design of plasma generator version, effectively improve produce isoionic density, thus accelerate purification of air speed;
(4) overall structure has that cost is low, structure is simple, can the advantage of Long-Time Service repeatedly, be highly suitable for purifying industrial waste gas.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should look protection domain of the present utility model.