CN104248908A - Concentrated acid mist purifying device - Google Patents
Concentrated acid mist purifying device Download PDFInfo
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- CN104248908A CN104248908A CN201410501616.7A CN201410501616A CN104248908A CN 104248908 A CN104248908 A CN 104248908A CN 201410501616 A CN201410501616 A CN 201410501616A CN 104248908 A CN104248908 A CN 104248908A
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- container
- acid mist
- concentrated acid
- purifying device
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Abstract
The invention discloses a concentrated acid mist purifying device which is characterized in that eleven serially connected containers are arranged in a cabinet body; high-speed airflow is generated through an air pump to dissolve concentrated acid mist in clear water or alkaline liquid in the eleven containers in sequence. According to the concentrated acid mist purifying device, firstly, the treatment time is prolonged in the clear water, and the clear water can be used for all-directionally cleaning the concentrated acid mist and effectively removing particles, impurities and water-soluble organic matters in the concentrated acid mist, so that the primary purification process is finished; secondly, concentrated acid mist gas passes through the alkaline liquid in a full-bath manner, so that the gas-liquid contact area is greatly enlarged; the full contact reaction is produced, so that the absorption efficiency of the alkaline liquid is improved and the purposes of diluting and neutralizing acidic gas and reducing the acidic gas concentration are achieved; thirdly, the acid mist gas enters the clear water containers to be cleaned, so that the acid mist gas is further purified; finally, the residual trace acidic gas is absorbed and deodorized by a molecular sieve and an active carbon layer in the eleventh container, so that the concentrated acid mist is completely purified and the purified acidic gas meets the national emission standards.
Description
Technical field
The present invention relates to a kind of dense acid mist purifying device.
Background technology
At present, existing dense acid mist treatment device comprises (scrubbing tower, spray column, neutralizing tower), its principle adopted is: utilize water smoke or akaline liquid and concentrated acid mist spatially to realize counter current contact, in the moment of contact, water smoke or akaline liquid is made to carry out absorption process to concentrated acid mist, but due to water smoke or akaline liquid and concentrated acid mist contact area little, the time is short, therefore to the absorption of concentrated acid mist and the reaction time very short, purification efficiency is not high, if for the process of concentrated acid mist, effect is undesirable especially, can not reach the discharge standard of country.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, the dense acid mist purifying device that a kind of purification efficiency is high is provided.
The present invention realizes like this, a kind of dense acid mist purifying device, comprise a cabinet, be sequentially connected in series in described cabinet 11 airtight and the container of liquid is housed, liquid in described first container, second container, the 3rd container, the 4th container, the 7th container, the 8th container, the 9th container, the tenth container and the 11 container is clear water, and the liquid in described 5th container and the 6th container is akaline liquid;
The connecting plate that described container to be divided into bulk container and small container by one is installed with respectively in each described container, top and the middle part of described bulk container and described small container are airtight, bottom is communicated with, side, described small container upper end offers at least one air inlet, side, described bulk container upper end offers at least one exhaust outlet, described exhaust outlet between adjacent each described container is communicated with respectively by a conduit with described air inlet, the air inlet of described first container is communicated with an exhaust outlet discharging concentrated acid mist, an aspiration pump is connected with between described tenth container and described 11 container, the exhaust outlet of described tenth container is communicated with the air entry of aspiration pump by described conduit, the gas outlet of described aspiration pump is communicated with the air inlet of described 11 container by described conduit,
The bulk container of described first container ~ the tenth container is arranged at intervals with first current equalizer for shunting concentrated acid mist respectively from bottom to up successively, the second current equalizer and one that concentrated acid mist and water or akaline liquid are fully contacted makes that the mist in concentrated acid mist is gentle to be separated and first demister that mist can not be made to pass through, described first current equalizer offers the first pore of some even settings, the aperture of described first pore is 0.4 ~ 0.9mm, described second current equalizer offers the second pore of some even settings, the aperture of described second pore is 0.1 ~ 0.3mm, described first demister offers some even settings and supplied gas by and the first micropore that mist is retained, the aperture of described first micropore is 2 × 10
-10~ 3 × 10
-10m,
The bulk container of described 11 container is interval with one from bottom to up successively for the 3rd current equalizer to the concentrated acid mist shunting not completely after purification, one makes the gentle separation of the mist in concentrated acid mist and second demister that mist can not be made to pass through, one for placing net type container and an active carbon layer of molecular sieve, described molecular sieve and described active carbon layer are used for remaining trace acidic GAS ABSORPTION and taste removal, described 3rd current equalizer offers the 3rd pore of some even settings, the aperture of described 3rd pore is 0.4 ~ 0.9mm, described second demister offers some even settings and supplied gas by and the second micropore that mist is retained, the aperture of described second micropore is 2 × 10
-10~ 3 × 10
-10m.
Further, bulk container inner tip in described first container ~ described tenth container is hinged with one respectively for cleaning the automatic cleaning machine of described bulk container, each described automatic cleaning machine is communicated with a water inlet pipe respectively, and described first container ~ described tenth container bottom offers a discharge outlet for being arranged by the waste water in described first container ~ described tenth container respectively outward.
Particularly, described air inlet and described exhaust outlet are positioned at sustained height.
Particularly, the centre position of height all between described second current equalizer and described first demister of clear water in described first container, second container, the 3rd container, the 4th container, the 7th container, the 8th container, the 9th container and the tenth container.
Particularly, the centre position of height all between described second current equalizer and described first demister of the akaline liquid in described 5th container and described 6th container.
Particularly, the centre position of height between described 3rd current equalizer and described second demister of clear water in described 11 container.
Further, described 5th container and described 6th container side are respectively equipped with the instrument of akaline liquid height in described 5th container of a display and described 6th container.
Further, one to add akaline liquid automatic medicine adding apparatus to described 5th container or the 6th container is also provided with in described cabinet, be respectively equipped with one in described 5th container and described 6th container automatically to pop one's head in, when described automatic probe detection reduces to the pH value of the akaline liquid of described 5th container or described 6th container, calculate by the measuring pump be connected with described automatic probe the amount needing to add akaline liquid, described automatic probe transmits and controls described automatic medicine adding apparatus and add appropriate akaline liquid to described 5th container or described 6th container.
Particularly, the concentration of described akaline liquid is the sodium hydroxide solution of 5% ~ 8%.
Particularly, the cross section of described first micropore and described second micropore is S type.
The dense acid mist purifying device of one provided by the invention, 11 containers are in series with in its cabinet, producing high velocity air by aspiration pump to dissolve in clear water in 11 containers or akaline liquid successively by concentrated acid mist, the filtration of first current equalizer of concentrated acid mist first in the first container ~ the 4th container and the second current equalizer and shunting, pollutant in concentrated acid mist is dissolved in clear water, clear water can carry out comprehensive contact with concentrated acid mist, the processing time is extended in clear water, can effectively remove the particle in concentrated acid mist and make Water-soluble Organic Substances water-soluble, and be separated with mist by the sour gas of the first demister by preliminary purification, sour gas again from the akaline liquid the 5th container and the 6th container full bath formula pass through, shunted by the first current equalizer in the 5th container and the 6th container and the second current equalizer, drastically increase sour gas and akaline liquid contact area, sour gas and akaline liquid contact fully and react, improve the absorption efficiency of akaline liquid, achieve dilution, in and sour gas reduce the object of acidic gas concentration, shunted by the first current equalizer in the 7th container ~ the tenth container and the second current equalizer again, sour gas carries out comprehensive contact with the clear water of the 7th container ~ the tenth container, acid mist gas is purified further, finally by the molecular sieve in the 11 container and active carbon layer by remaining trace acidic GAS ABSORPTION and taste removal, achieve and concentrated acid mist is thoroughly purified, the rear sour gas of purification is made to reach the standard of country's discharge.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the dense acid mist purifying device that the embodiment of the present invention provides.
Fig. 2 is the schematic diagram of the first container, second container, the 3rd container, the 4th container, the 7th container, the 8th container, the 9th container and the tenth container in the dense acid mist purifying device that provides of the embodiment of the present invention.
Fig. 3 is the schematic diagram of the 5th container in the dense acid mist purifying device that provides of the embodiment of the present invention and the 6th container.
Fig. 4 is the schematic diagram of the 11 container in the dense acid mist purifying device that provides of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
As shown in Fig. 1 ~ Fig. 4, the dense acid mist purifying device of the one that the embodiment of the present invention provides, comprise a cabinet 1, be sequentially connected in series in cabinet 1 11 airtight and the container of liquid is housed, liquid in first container 11, second container 12, the 3rd container 13, the 4th container 14, the 7th container 17, the 8th container 18, the 9th container 19, the tenth container the 20 and the 11 container is clear water, liquid in 5th container 15 and the 6th container 16 is akaline liquid, akaline liquid to be concentration be 5% ~ 8% sodium hydroxide solution, the connecting plate 112 that container to be divided into bulk container 110 and small container 111 by one is installed with respectively in each container, top and the middle part of bulk container 110 and small container 111 are airtight, bottom is communicated with, side, small container 111 upper end offers at least one air inlet 113, side, bulk container 110 upper end offers at least one exhaust outlet 114, exhaust outlet 114 between adjacent each container is communicated with respectively by a conduit 24 with air inlet 113, the exhaust outlet 22 that the air inlet 113 and of first container 11 discharges concentrated acid mist is communicated with, an aspiration pump 23 is connected with between tenth container the 20 and the 11 container 21, the exhaust outlet 114 of the tenth container 20 is communicated with the air entry (not shown) of aspiration pump 23 by conduit 24, the gas outlet (not shown) of aspiration pump 23 is communicated with by the air inlet 114 of conduit 24 with the 11 container 21, aspiration pump 23 increases each gas in container pressure and flow velocity, enable concentrated acid mist smoothly by the liquid in each container, improve concentrated acid mist processing speed,
As shown in Figure 2, the bulk container 110 of the first container the 11 ~ ten container 20 is arranged at intervals with the first current equalizer 115 of a pair concentrated acid mist shunting respectively from bottom to up successively, the second current equalizer 116 that concentrated acid mist and water or akaline liquid are fully contacted and one makes that the mist in concentrated acid mist is gentle to be separated and first demister 117 that mist can not be made to pass through, first current equalizer 115 offers the first pore 118 of some even settings, the aperture of the first pore 118 is 0.4 ~ 0.9mm, second current equalizer 116 offers the second pore 1160 of some even settings, the aperture of the second pore 1160 is 0.1 ~ 0.3mm, first demister 117 offers some even settings and supplied gas by and S type first micropore that mist is retained, the aperture of the first micropore is 2 × 10
-10~ 3 × 10
-10m,
As shown in Figure 4, 3rd current equalizer 120 of the concentrated acid mist shunting after the bulk container 110 of the 11 container 21 is interval with successively from bottom to up and does not purify completely for a pair, one makes the gentle separation of the mist in concentrated acid mist and second demister 121 that mist can not be made to pass through, one for placing net type container 122 and an active carbon layer 123 of molecular sieve 1220, described 3rd current equalizer 120 offers the 3rd pore 124 of some even settings, the aperture of the 3rd pore is 0.4 ~ 0.9mm, second demister offers some even settings and supplied gas by and the second micropore that mist is retained, the aperture of the second micropore is 2 × 10
-10~ 3 × 10
-10m.
As shown in Figure 2, further, bulk container 110 inner tip in described first container the 11 ~ ten container 20 is hinged with one respectively for cleaning the automatic cleaning machine 125 of bulk container 110, each automatic cleaning machine 125 is communicated with a water inlet pipe (not shown) respectively, offers a discharge outlet (not shown) for being arranged by the waste water after cleaning in the first container the 11 ~ ten container 20 bottom the first container the 11 ~ ten container 20 respectively outward.
Particularly, described air inlet 113 and exhaust outlet 114 are positioned at sustained height.
As shown in Figure 2, particularly, the centre position of the height of clear water all between the second current equalizer 166 and the first demister 117 in described first container 11, second container 12, the 3rd container 13, the 4th container 14, the 7th container 17, the 8th container 18, the 9th container 19 and the tenth container 20.
As shown in Figure 3, particularly, the centre position of height all between the second current equalizer 166 and the first demister 177 of the akaline liquid in described 5th container 15 and the 6th container 16.
As shown in Figure 4, particularly, the centre position of height between the 3rd current equalizer 120 and the second demister 121 of clear water in described 11 container 21.
Further, described 5th container 15 and the 6th container 16 side are respectively equipped with the instrument 126 of akaline liquid height in a display the 5th container 15 and the 6th container 16, can be known the height of akaline liquid in the 5th container 15 and the 6th container 16 by viewing instrument 126.
Further, one to add akaline liquid automatic medicine adding apparatus (not shown) to the 5th container 15 or the 6th container 16 is also provided with in described cabinet 1, be respectively equipped with one in 5th container 15 and the 6th container 16 automatically to pop one's head in (not shown), when automatic probe detection reduces to the pH value of the akaline liquid of the 5th container 15 or the 6th container 16, by calculating with the measuring pump (not shown) be connected of automatically popping one's head in the amount needing to add akaline liquid, the control automatic medicine adding apparatus that transmits by automatically popping one's head in adds appropriate akaline liquid to the 5th container 15 or the 6th container 16.
Further, the cross section of described first micropore 119 and the second micropore 1210 is S type, first micropore 119 and second micropore 1210 of S type can make that the mist in concentrated acid mist is gentle to be separated, and by the first micropore 119 and the second micropore 1210, mist stops that accumulation forms water droplet respectively, flow in clear water.
Operation principle of the present invention is: first, open aspiration pump 23, what the concentrated acid mist that exhaust outlet 22 is discharged by the circulating current produced by aspiration pump 23 was drawn into by the air inlet 113 of the first container 11 is equipped with in the small container 111 of the first container 11 of clear water, concentrated acid mist circulates the bottom of small container 111 from small container 111 upper end, the first pore 118 the first current equalizer 115 arranged bottom the bulk container 110 of the first container 11 passes, particle in concentrated acid mist and impurity are blocked in the bottom of the first container 11 by the first pore 118, clear water in first container 11 can make the Water-soluble Organic Substances in concentrated acid mist water-soluble, concentrated acid mist is tentatively shunted diffusion by the first pore 118 simultaneously, again through the second pore 1160 precision diffusion of the second current equalizer 116, concentrated acid mist is fully contacted with clear water, clear water can carry out comprehensive cleaning to concentrated acid mist, reduce the concentration of concentrated acid mist, then the gentle separation of the mist in concentrated acid mist is made by the first micropore 119 of the first demister 117, by the first micropore 119, mist stops that accumulation forms water droplet, flow in clear water, sour gas enters in second container 12 through the first demister 117 from the exhaust outlet 114 of the first container 11, by the clear water in second container 12 further by acid gas clean, reduce acidic gas concentration, as follows circulate, sour gas fully contacts with the clear water in second container the 12 ~ four container 14, clear water carries out comprehensive cleaning to sour gas continuously, the concentration of sour gas can be reduced about 50 percent, then, sour gas fully contacts with the akaline liquid in the 6th container 16 with the 5th container 15, carries out neutralization reaction, makes the concentration of sour gas reduce about 80 percent, then sour gas fully contacts with the clear water in the 7th container the 17 ~ ten container 20 again, extend the processing time, clear water continues to carry out comprehensive cleaning to sour gas, the concentration of sour gas is made to reduce about 98 percent, finally absorb remaining a small amount of sour gas and taste removal by the molecular sieve 1220 in the 11 container 21 and active carbon layer 123, finally discharged by the gas outlet of aspiration pump 23.
The dense acid mist purifying device of one provided by the invention, 11 containers are in series with in its cabinet 1, producing high velocity air by aspiration pump 23 to dissolve in clear water in 11 containers or akaline liquid successively by concentrated acid mist, the filtration of first current equalizer 115 of concentrated acid mist first in the first container the 11 ~ four container 14 and the second current equalizer 116 and shunting, pollutant in concentrated acid mist is dissolved in clear water, clear water can carry out comprehensive contact with concentrated acid mist, the processing time is extended in clear water, can effectively remove the particle in concentrated acid mist and make Water-soluble Organic Substances water-soluble, and by the first demister 117, the sour gas of preliminary purification is separated with mist, sour gas again from the akaline liquid the 5th container 15 and the 6th container 16 full bath formula pass through, shunted by the first current equalizer 115 in the 5th container 15 and the 6th container 16 and the second current equalizer 116, drastically increase sour gas and akaline liquid contact area, sour gas and akaline liquid contact fully and react, improve the absorption efficiency of akaline liquid, achieve dilution, in and sour gas reduce the object of acidic gas concentration, shunted by the first current equalizer 115 in the 7th container the 17 ~ ten container 20 and the second current equalizer 116 again, sour gas carries out comprehensive contact with the clear water of the 7th container the 17 ~ ten container 20, acid mist gas is purified further, finally by the molecular sieve 1220 in the 11 container 21 and active carbon layer 123 by remaining trace acidic GAS ABSORPTION and taste removal, achieve and concentrated acid mist is thoroughly purified, the rear sour gas of purification is made to reach the standard of country's discharge.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a dense acid mist purifying device, comprise a cabinet, it is characterized in that, be sequentially connected in series in described cabinet 11 airtight and the container of liquid is housed, liquid in described first container, second container, the 3rd container, the 4th container, the 7th container, the 8th container, the 9th container, the tenth container and the 11 container is clear water, and the liquid in described 5th container and the 6th container is akaline liquid;
The connecting plate that described container to be divided into bulk container and small container by one is installed with respectively in each described container, top and the middle part of described bulk container and described small container are airtight, bottom is communicated with, side, described small container upper end offers at least one air inlet, side, described bulk container upper end offers at least one exhaust outlet, described exhaust outlet between adjacent each described container is communicated with respectively by a conduit with described air inlet, the air inlet of described first container is communicated with an exhaust outlet discharging concentrated acid mist, an aspiration pump is connected with between described tenth container and described 11 container, the exhaust outlet of described tenth container is communicated with the air entry of aspiration pump by described conduit, the gas outlet of described aspiration pump is communicated with the air inlet of described 11 container by described conduit,
The bulk container of described first container ~ the tenth container is arranged at intervals with first current equalizer for shunting concentrated acid mist respectively from bottom to up successively, the second current equalizer and one that concentrated acid mist and water or akaline liquid are fully contacted makes that the mist in concentrated acid mist is gentle to be separated and first demister that mist can not be made to pass through, described first current equalizer offers the first pore of some even settings, the aperture of described first pore is 0.4 ~ 0.9mm, described second current equalizer offers the second pore of some even settings, the aperture of described second pore is 0.1 ~ 0.3mm, described first demister offers some even settings and supplied gas by and the first micropore that mist is retained, the aperture of described first micropore is 2 × 10
-10~ 3 × 10
-10m,
The bulk container of described 11 container is interval with one from bottom to up successively for the 3rd current equalizer to the concentrated acid mist shunting not completely after purification, one makes the gentle separation of the mist in concentrated acid mist and second demister that mist can not be made to pass through, one for placing net type container and an active carbon layer of molecular sieve, described molecular sieve and described active carbon layer are used for remaining trace acidic GAS ABSORPTION and taste removal, described 3rd current equalizer offers the 3rd pore of some even settings, the aperture of described 3rd pore is 0.4 ~ 0.9mm, described second demister offers some even settings and supplied gas by and the second micropore that mist is retained, the aperture of described second micropore is 2 × 10
-10~ 3 × 10
-10m.
2. the dense acid mist purifying device of one according to claim 1, it is characterized in that, bulk container inner tip in described first container ~ described tenth container is hinged with one respectively for cleaning the automatic cleaning machine of described bulk container, each described automatic cleaning machine is communicated with a water inlet pipe respectively, and described first container ~ described tenth container bottom offers a discharge outlet for being arranged by the waste water in described first container ~ described tenth container respectively outward.
3. the dense acid mist purifying device of one according to claim 1, is characterized in that, described air inlet and described exhaust outlet are positioned at sustained height.
4. the dense acid mist purifying device of one according to claim 1, it is characterized in that, the centre position of height all between described second current equalizer and described first demister of clear water in described first container, second container, the 3rd container, the 4th container, the 7th container, the 8th container, the 9th container and the tenth container.
5. the dense acid mist purifying device of one according to claim 1, is characterized in that, the centre position of height all between described second current equalizer and described first demister of the akaline liquid in described 5th container and described 6th container.
6. the dense acid mist purifying device of one according to claim 1, is characterized in that, the centre position of height between described 3rd current equalizer and described second demister of clear water in described 11 container.
7. the dense acid mist purifying device of one according to claim 1, is characterized in that, described 5th container and described 6th container side are respectively equipped with the instrument of akaline liquid height in described 5th container of a display and described 6th container.
8. the dense acid mist purifying device of one according to claim 1, it is characterized in that, one to add akaline liquid automatic medicine adding apparatus to described 5th container or the 6th container is also provided with in described cabinet, be respectively equipped with one in described 5th container and described 6th container automatically to pop one's head in, when described automatic probe detection reduces to the pH value of the akaline liquid of described 5th container or described 6th container, the amount needing to add akaline liquid is calculated by the measuring pump be connected with described automatic probe, described automatic probe transmits and controls described automatic medicine adding apparatus and add appropriate akaline liquid to described 5th container or described 6th container.
9. the dense acid mist purifying device of one according to claim 1, is characterized in that, the concentration of described akaline liquid is the sodium hydroxide solution of 5% ~ 8%.
10. the dense acid mist purifying device of one according to claim 1, is characterized in that, the cross section of described first micropore and described second micropore is S type.
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CN104248908B CN104248908B (en) | 2017-05-31 |
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Cited By (1)
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CN112973365A (en) * | 2021-04-08 | 2021-06-18 | 华北电力大学科技学院 | PM2.5 adsorption device and manufacturing method thereof |
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