CN212188548U - Kiln denitration purifying tower - Google Patents
Kiln denitration purifying tower Download PDFInfo
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- CN212188548U CN212188548U CN202020535773.0U CN202020535773U CN212188548U CN 212188548 U CN212188548 U CN 212188548U CN 202020535773 U CN202020535773 U CN 202020535773U CN 212188548 U CN212188548 U CN 212188548U
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- tower body
- denitration
- purification tower
- pipe
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Abstract
The utility model discloses a kiln denitration purification tower, which relates to the technical field of purification towers and comprises a purification tower body, the interior of the purifying tower body is provided with two swirl plates and two demisting plates, the demisting plate is positioned at the top end of the interior of the purification tower body, one side of the purification tower body is provided with a circulating water pump, the water outlet of the circulating water pump is connected with a connecting water pipe, the circulating water pump is connected with an external power supply, an air inlet is arranged at one side of the purifying tower body, a flue gas inlet pipe is connected on the air inlet, the denitration device is arranged at the flue gas inlet of the kiln, the reducing agent spray head is connected with an external reducing agent box, the reducing agent is sprayed into the denitration device through the dosage of the reducing agent tank, and the waste gas containing dust and nitrogen oxide enters the denitration device to be mixed with the reducing agent, so that the waste gas containing dust and nitrogen oxide is reduced into harmless nitrogen and water.
Description
Technical Field
The utility model belongs to the technical field of the purifying tower, concretely relates to kiln denitration purifying tower.
Background
The waste gas purifying tower is a device which is matched with different medicaments according to different waste gases and adopts a wet treatment method to purify various toxic and harmful waste gases. It is designed by absorbing the essence of purification technologies such as a foam tower, a spray tower, a packed tower and the like, and has a dust removal effect. The device has been successfully applied to the tail gas purification of a spray drying tower in a ceramic factory, the tail gas purification after a glass kiln, the tail gas purification of coal with various evaporation amounts, the tail gas purification of an oil-fired boiler, the waste gas purification of an oil injection workshop in a circuit board factory, the waste gas purification of a sewage circulating pool in an oil refinery and the tail gas purification generated by the combustion of waste gas in petroleum production. The device has completed the mechanical design of the seriation product and the formula of the chemical part aiming at different waste gas types and concentrations, and is provided with a pretreatment device for tail gas with larger dust concentration.
However, the existing kiln flue gas purification tower has some defects in the use process, for example, kiln flue gas contains a large amount of dust, the existing purification tower is not provided with denitration equipment, granular nitrate cannot be treated in advance, and the granular nitrate is easy to act as sludge to block an outlet when entering a spray tower; and oxygen in the flue gas can be oxidized into magnesium sulfate after entering the tower, a magnesium sulfate recovery device is not arranged, and the magnesium sulfate cannot be recycled as a desulfurizing agent.
Disclosure of Invention
An object of the utility model is to provide a kiln denitration purifying tower to it does not set up denitration equipment and does not set up the problem to the device of magnesium sulfate recovery to propose current purifying tower in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a kiln denitration purification tower comprises a purification tower body, wherein a rotational flow plate and a demisting plate are arranged inside the purification tower body, the number of the rotational flow plate is two, the demisting plate is positioned at the top end inside the purification tower body, a circulating water pump is arranged on one side of the purification tower body, a water outlet of the circulating water pump is connected with a connecting water pipe, the circulating water pump is connected with an external power supply, an air inlet is arranged on one side of the purification tower body, a flue gas inlet pipe is connected onto the air inlet, a reducing agent spray head is arranged at the top end inside the denitration device, one end of the flue gas inlet pipe is connected with a denitration device, a kiln flue gas inlet is arranged on one side of the denitration device, and a gas outlet of the denitration;
a water outlet is formed in the lower portion of the front surface wall of the purification tower body and connected with a magnesium sulfate recovery device through a water pipe, a buffer plate is arranged inside the magnesium sulfate recovery device, and a hole is formed in the buffer plate.
Preferably, a water outlet is formed in the lower portion of the front surface wall of the denitration device, a circulating water tank connecting pipe is arranged on one side of the magnesium sulfate recovery device, and the water outlet and the circulating water tank connecting pipe are both connected with an external circulating water tank.
Preferably, the front surface wall of the purification tower body is provided with two inspection windows, and the two inspection windows and the water outlet are positioned on the same side and above the water outlet.
Preferably, the top of purifying tower body is provided with the connecting pipe of giving vent to anger, the import of the exit linkage fan of the connecting pipe of giving vent to anger, the exit linkage of fan has the air-purifying outlet duct, external power source is connected to the fan.
Preferably, the connecting water pipe is provided with two altogether, and the one end of two connecting water pipes all extends to the inside of purifying column body, two the extension end bottom of connecting water pipe all is provided with the shower nozzle, and two connecting water pipes are located the top of two whirl boards respectively.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses set up denitrification facility in kiln flue gas inlet department, outside reductant medical kit is connected to the reductant shower nozzle, give the volume through the reductant medical kit, spout the reductant into denitrification facility, dust-laden and nitrous oxide's waste gas gets into denitrification facility and reductant mixture to with dust-laden and nitrous oxide's waste gas reduction for harmless nitrogen and water, solved and not set up denitration equipment, can not handle granular nitre in advance, easily act on the problem that mud blockked up the export in the entering spray column.
(2) The utility model discloses magnesium sulfate recovery unit has been established with the circulation in the outlet, and the mixed thick liquid that contains magnesium sulfate deposits in magnesium sulfate recovery unit, and the dry extraction of the mixed thick liquid that will deposit then can obtain magnesium sulfate to use as the desulfurizer, can become magnesium sulfate after having solved the oxygen in the flue gas and having entered the tower, do not set up the device to magnesium sulfate recovery, can not recycle the use that magnesium sulfate used as the desulfurizer.
Drawings
FIG. 1 is an internal structural view of the present invention;
FIG. 2 is a schematic structural view of the whirl plate of the present invention;
FIG. 3 is a schematic structural view of the present invention;
fig. 4 is a side view of the present invention;
in the figure: 1-a kiln flue gas inlet; 2-a denitration device; 3-a reducing agent spray head; 4, a flue gas inlet pipe; 5-a purification tower body; 6-a swirl plate; 7-a spray head; 8-a circulating water pump; 9-connecting a water pipe; 10-a defogging plate; 11-an air outlet connecting pipe; 12-purified air outlet pipe; 13-a fan; 14-inspection window; 15-a water outlet; 16-an air inlet; 17-magnesium sulfate recovery unit; 18-circulating water tank connecting pipe; 19-buffer plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: a kiln denitration purification tower comprises a purification tower body 5, wherein a rotational flow plate 6 and a demisting plate 10 are arranged inside the purification tower body 5, the rotational flow plate 6 is provided with two, the demisting plate 10 is positioned at the top end inside the purification tower body 5, one side of the purification tower body 5 is provided with a circulating water pump 8, the circulating water pump 8 adopts a GBL50-125 centrifugal pump, a water outlet of the circulating water pump 8 is connected with a connecting water pipe 9, the circulating water pump 8 is connected with an external power supply, one side of the purification tower body 5 is provided with an air inlet 16, the air inlet 16 is connected with a flue gas inlet pipe 4, the top end inside the denitration device 2 is provided with a reducing agent spray head 3, one end of the flue gas inlet pipe 4 is connected with a denitration device 2, one side of the denitration device 2 is provided with a; the reducing agent spray head 3 is connected with an external reducing agent box, the reducing agent is sprayed into the denitration device through the feeding amount of the reducing agent box, the waste gas containing dust and nitrogen oxide enters the denitration device 2 and is mixed with the reducing agent, so that the waste gas containing dust and nitrogen oxide is reduced into harmless nitrogen and water, and the harmless nitrogen and water are discharged from an outlet and enter the magnesium sulfate recovery device 17;
a water outlet 15 is arranged below the front surface wall of the purification tower body 5, the water outlet 15 is connected with a magnesium sulfate recovery device 17 through a water pipe, a buffer plate 19 is arranged inside the magnesium sulfate recovery device 17, a hole is formed in the buffer plate 19, sewage enters the magnesium sulfate recovery device 17 for precipitation, and the buffer plate 19 prevents the precipitate from being dispersed due to the fact that the entering water quantity is too large.
Further, a water outlet is formed in the lower portion of the front surface wall of the denitration device 2, a circulating water tank connecting pipe 18 is arranged on one side of the magnesium sulfate recovery device 17, and the water outlet and the circulating water tank connecting pipe 18 are both connected with an external circulating water tank.
Further, two inspection windows 14 are arranged on the front surface wall of the purification tower body 5, the two inspection windows 14 and the water outlet 15 are located on the same side and located above the water outlet 15, and the spray head 7 and the swirl plate 6 can be overhauled through the inspection windows 14.
Further, the top end of the purification tower body 5 is provided with an air outlet connecting pipe 11, an outlet of the air outlet connecting pipe 11 is connected with an inlet of a fan 13, an outlet of the fan 13 is connected with a purified air outlet pipe 12, the fan 13 is connected with an external power supply, and the fan 13 is FX-1/4 in model number.
Further, connect water pipe 9 and be provided with two altogether, and the one end of two connection water pipes 9 all extends to the inside of purifying column body 5, and the extension end bottom of two connection water pipes 9 all is provided with shower nozzle 7, and two connection water pipes 9 are located the top of two whirl boards 6 respectively.
The utility model discloses a theory of operation and flow, connect external power supply with circulating water pump 8 and fan 13, kiln flue gas entry 1 connects the kiln air-blower, the flue gas passes through the air-blower and gets into denitrification facility 2, carry out denitration treatment through the reductant, get into purification tower body 5 through flue gas intake pipe 4 again, circulating water pump 8 is with the water pump in the circulating water tank go into in connecting water pipe 9, spout through shower nozzle 7, the air current produces rotatory and centrifugal motion when passing through whirl board 6 blade, the absorption liquid evenly distributes to every blade through middle blind plate, form thin liquid layer, form rotatory and centrifugal effect with rotatory upward air current, spout into tiny liquid droplet, after throwing to the tower wall, the liquid droplet receives the gravity effect mass flow to the catch basin, and flow to the blind plate zone of next whirl board 6 through the downcomer, have certain wind pressure, the air current of treating of wind speed is from the bottom of tower, the upper portion is gone out, the waste water is discharged from the water discharge port 15, and is introduced into the magnesium sulfate recovery device 17, the waste water is precipitated in the magnesium sulfate recovery device 17, and the precipitated magnesium sulfate-containing precipitate is dried and extracted to obtain magnesium sulfate, which is used as a desulfurizing agent.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a kiln denitration purifying tower, includes purifying tower body (5), the inside of purifying tower body (5) is provided with whirl board (6) and defogging board (10), whirl board (6) are provided with two altogether, defogging board (10) are located the inside top of purifying tower body (5), one side of purifying tower body (5) is provided with circulating water pump (8), the delivery port of circulating water pump (8) is connected with connection water pipe (9), external power source, its characterized in that are connected in circulating water pump (8): an air inlet (16) is formed in one side of the purification tower body (5), a flue gas inlet pipe (4) is connected to the air inlet (16), a reducing agent spray head (3) is arranged at the top end of the inside of the denitration device (2), one end of the flue gas inlet pipe (4) is connected with the denitration device (2), a kiln flue gas inlet (1) is formed in one side of the denitration device (2), and an air outlet of the denitration device (2) is fixedly connected with the flue gas inlet pipe (4);
a water outlet (15) is arranged below the front surface wall of the purification tower body (5), the water outlet (15) is connected with a magnesium sulfate recovery device (17) through a water pipe, a buffer plate (19) is arranged inside the magnesium sulfate recovery device (17), and a hole is formed in the buffer plate (19).
2. The kiln denitration purification tower of claim 1, characterized in that: a water outlet is formed in the lower portion of the front surface wall of the denitration device (2), a circulating water tank connecting pipe (18) is arranged on one side of the magnesium sulfate recovery device (17), and the water outlet and the circulating water tank connecting pipe (18) are both connected with an external circulating water tank.
3. The kiln denitration purification tower of claim 1, characterized in that: two inspection windows (14) are arranged on the front surface wall of the purification tower body (5), and the two inspection windows (14) and the water outlet (15) are positioned on the same side and above the water outlet (15).
4. The kiln denitration purification tower of claim 1, characterized in that: the top of purification tower body (5) is provided with connecting pipe (11) of giving vent to anger, the import of the exit linkage fan (13) of connecting pipe (11) of giving vent to anger, the exit linkage of fan (13) has air-purifying outlet duct (12), external power source is connected in fan (13).
5. The kiln denitration purification tower of claim 1, characterized in that: connect water pipe (9) and be provided with two altogether, and the one end of two connection water pipes (9) all extends to the inside of purifying column body (5), two the extension end bottom of connecting water pipe (9) all is provided with shower nozzle (7), and just two connection water pipe (9) are located the top of two whirl boards (6) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020535773.0U CN212188548U (en) | 2020-04-13 | 2020-04-13 | Kiln denitration purifying tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020535773.0U CN212188548U (en) | 2020-04-13 | 2020-04-13 | Kiln denitration purifying tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212188548U true CN212188548U (en) | 2020-12-22 |
Family
ID=73832557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020535773.0U Expired - Fee Related CN212188548U (en) | 2020-04-13 | 2020-04-13 | Kiln denitration purifying tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212188548U (en) |
-
2020
- 2020-04-13 CN CN202020535773.0U patent/CN212188548U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |