CN213078004U

CN213078004U - Waste gas purification device is used in potash fertilizer production

Info

Publication number: CN213078004U
Application number: CN202021630705.9U
Authority: CN
Inventors: 薄占祥
Original assignee: Hebei Derunze Chemical Equipment Co ltd
Current assignee: Hebei Derunze Chemical Equipment Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-04-30
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses a waste gas purification device for potash fertilizer production, which comprises a heating catalysis box, a pre-cooling tower, an active carbon adsorption box, a desulfurizing tower, a plasma waste gas treatment device and a gas collection box, wherein the left end of the heating catalysis box is provided with a first fan, the inside of the gas collection box is provided with a gas detection device, the right end of the gas collection box is provided with an exhaust chimney, an exhaust switch is arranged between the exhaust chimney and the gas collection box, the front end of the gas collection box is provided with a second fan, the exhaust end of the second fan is provided with a gas inlet main pipe, the rear end of the gas collection box is provided with a gas outlet main pipe, the heating catalysis box, the front ends of the activated carbon adsorption box, the desulfurization tower and the plasma waste gas treatment equipment are respectively provided with an air inlet branch pipe, the air inlet branch pipes are communicated with an air inlet main pipe after being connected with an air inlet switch, the rear ends of the precooling tower, the activated carbon adsorption box, the desulfurization tower and the plasma waste gas treatment equipment are respectively provided with an air outlet branch pipe, and the air outlet branch pipes are communicated with the air outlet main pipe after being connected with the air outlet switch.

Description

Waste gas purification device is used in potash fertilizer production

Technical Field

The utility model relates to an environmental protection equipment technical field specifically is a waste gas purification device is used in potash fertilizer production.

Background

The waste gas purification mainly refers to the treatment of industrial waste gas generated in industrial places, such as dust particles, smoke and dust, peculiar smell gas and toxic and harmful gas. In the potash fertilizer production process, because waste gas produces the condition diversified, many waste gas compositions are complicated, and the waste gas composition that often produces different time quantums is all different, causes great influence when giving the processing, leads to the effect that waste gas treatment can't reach needs, is unfavorable for environmental protection.

The patent name "waste gas purification system" of publication number "CN 201721445598.0 discloses a" waste gas purification system, includes gas collecting channel, precooling tower, active carbon adsorption tower, desulfurizing tower, plasma exhaust-gas treatment equipment and exhaust chimney in proper order along the air current moving direction, gas collecting channel, precooling tower, active carbon adsorption tower, desulfurizing tower, plasma exhaust-gas treatment equipment and exhaust chimney all connect gradually through the exhaust duct, the gas collecting channel with be equipped with first fan and gas flow control valve between the precooling tower, be equipped with the second fan between plasma exhaust-gas treatment equipment and the exhaust chimney. "

The device is also used for purifying waste gas, but the gas treated by the device is directly discharged into the air, and if the treatment is not thorough, the environmental pollution can be caused, and the environmental protection is not facilitated.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a waste gas purification device for potash fertilizer production, which has simple structure and obvious effect.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model discloses a waste gas purification device is used in potash fertilizer production, from left to right include the heating catalysis case that communicates each other in proper order, the precooling tower, the active carbon adsorption box, the desulfurizing tower, plasma exhaust-gas treatment equipment and gas collection box, the left end of heating catalysis case is provided with first fan, be provided with first gas flowmeter between first fan and the heating catalysis case, the inside of gas collection box is provided with gaseous detection device, the right-hand member of gas collection box is provided with the exhaust chimney towards the top, be provided with the air discharge switch between exhaust chimney and the gas collection box, the front end of gas collection box is provided with the second fan, the end of bleeding of second fan stretches into inside the gas collection box, the exhaust end of second fan is fixed to be provided with the main pipe that admits air, the rear end of gas collection box is provided with the person in charge of giving vent to anger, the one end that the main pipe of giving vent to, The front ends of the desulfurizing tower and the plasma waste gas treatment equipment are respectively provided with an air inlet branch pipe matched with an air inlet main pipe, the air inlet branch pipes are communicated with the air inlet main pipe after being connected with an air inlet switch, the rear ends of the precooling tower, the activated carbon adsorption box, the desulfurizing tower and the plasma waste gas treatment equipment are respectively provided with an air outlet branch pipe matched with an air outlet main pipe, the air outlet branch pipes are communicated with the air outlet main pipe after being connected with the air outlet switch, and the heating catalysis box is internally provided with a catalyst and a reactant.

In order to make first fan and second fan performance more excellent, the utility model discloses an improvement has, and first fan and second fan are axial fan.

In order to make the using effect of the device better, the utility model discloses an improvement has, and the height of precooling tower is half of the desulfurizing tower height.

In order to make the result of use of this device better, the utility model discloses an improvement has, and the volume of active carbon adsorption case is the same with plasma exhaust-gas treatment equipment's volume.

In order to make the gas detection device have better use effect, the utility model discloses an improvement has, and gas detection device is the compound gas alarm appearance of QJ-BX.

In order to exhaust more rapidly, the utility model discloses an improvement has, sets up the aspiration pump between gas collection box and the exhaust stack.

(III) advantageous effects

Compared with the prior art, the utility model provides a, possess following beneficial effect:

this waste gas purification device is used in potash fertilizer production, add the thermal catalysis case, the active carbon adsorption case, the desulfurizing tower, and plasma exhaust-gas treatment equipment can carry out special processing to the different types of waste gas that produces in the potash fertilizer production process, it is better to make the treatment effect, the precooling tower can make and cool down at the high temperature gas of heating catalysis incasement exhaust, place the damage of high temperature to follow-up equipment, the gas collecting box can collect the detection to the gas after handling the completion, make this device combustion gas accord with the standard more, the person in charge that admits air, the inlet branch pipe, the main pipe system is constituteed jointly with the branch pipe of giving vent to anger to give vent to anger, can pass through the processing of one or more processing system once more with gas after detecting gas is unqualified, make gas accord with the standard more, thereby make this device.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the present invention.

In the figure: 1. heating the catalytic box; 2. a pre-cooling tower; 3. an activated carbon adsorption tank; 4. a desulfurizing tower; 5. plasma exhaust gas treatment equipment; 6. a gas collection tank; 7. a second fan; 8. an exhaust switch; 9. an exhaust chimney; 10. an air pump; 11. a first fan; 12. a first gas flow meter; 13. a main air inlet pipe; 14. an intake branch pipe; 15. an air inlet switch; 16. an air outlet main pipe; 17. an air outlet branch pipe; 18. an air outlet switch; 19. a second gas flow meter.

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. 1-2, the waste gas purifying device for potash fertilizer production of the present invention comprises a heating and catalyzing box 1, a pre-cooling tower 2, an activated carbon adsorption box 3, a desulfurizing tower 4, a plasma waste gas treatment device 5 and a gas collection box 6 which are communicated with each other in sequence from left to right, wherein a first fan 11 is arranged at the left end of the heating and catalyzing box 1, a first gas flowmeter 12 is arranged between the first fan 11 and the heating and catalyzing box 1, a gas detection device is arranged inside the gas collection box 6, an upward exhaust chimney 9 is arranged at the right end of the gas collection box 6, an exhaust switch 8 is arranged between the exhaust chimney 9 and the gas collection box 6, a second fan 7 is arranged at the front end of the gas collection box 6, an air exhaust end of the second fan 7 extends into the gas collection box 6, an air inlet main pipe 13 is fixedly arranged at the exhaust end of the second fan 7, an air outlet main pipe 16 is arranged at the rear end of the, the one end that gives vent to anger main pipe 16 and be close to gas collecting tank 6 is provided with second gas flowmeter 19, heating catalysis case 1, activated carbon adsorption case 3, the front end of desulfurizing tower 4 and plasma exhaust-gas treatment equipment 5 all is provided with the branch pipe 14 of intaking with the main pipe 13 assorted, branch pipe 14 of intaking is connected with air inlet switch 15 back and is responsible for 13 intercommunications of intaking, precooling tower 2, activated carbon adsorption case 3, the rear end of desulfurizing tower 4 and plasma exhaust-gas treatment equipment 5 all is provided with the branch pipe 17 of giving vent to anger with the main pipe 16 assorted of giving vent to anger, the branch pipe 17 of giving vent to anger is connected with the switch 18 back and is responsible for 16 intercommunications of giving vent to anger, catalyst and.

It should be added that the first fan 11 and the second fan 7 are both axial flow fans, so that the first fan 11 and the second fan 7 have better performance. The height of the precooling tower 2 is half of that of the desulfurizing tower 4, so that the using effect of the device is better. The volume of the activated carbon adsorption box 3 is the same as that of the plasma waste gas treatment equipment 5, so that the using effect of the device is better. The gas detection device is a QJ-BX composite gas alarm, so that the gas detection device has better use effect. An air pump 10 is arranged between the air collection box 6 and the exhaust chimney 9, and the air pump 10 is a 2XZ-0.5 rotary-vane vacuum pump, so that the exhaust is quicker.

The waste gas purification device for potash fertilizer production of novel structure, when using, send into heating catalysis case 1 through first fan 11 with the waste gas that needs to be handled, then the waste gas loops through heating catalysis case 1, precooling tower 2, activated carbon adsorption case 3, desulfurizing tower 4, get into in the gas collecting box 6 after the processing of plasma exhaust-gas treatment equipment 5, the gas after the processing persists in gas collecting box 6, observe the volume of the waste gas that flows into this device through first gas flowmeter 12, when the volume that flows in matches with the capacity of gas collecting box 6, close first fan 11, make the waste gas no longer get into this device, then whether the gas after detecting the processing accords with the standard through the gas detection device, if accord with the standard, open air discharge switch 8, detect qualified gas and discharge to the atmosphere through exhaust stack 9, if do not accord with the standard, detect the concrete index that does not accord with the standard, and (3) opening a corresponding air inlet switch 15 and an air outlet switch 18 according to indexes, then sending the gas in the gas collection box 6 into corresponding processing equipment through a second fan 7, observing the flow through a second gas flowmeter 19, detecting again when the observed flow is matched with the capacity of the gas collection box 6, repeating the steps until the detection is qualified, opening a first fan 11 after the gas in the gas collection box 6 is discharged, sending the waste gas to be processed into the heating catalysis box 1 through the first fan 11, and repeating the steps to finish the work.

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

1. A waste gas purification device for potash fertilizer production sequentially comprises a heating catalysis box (1), a precooling tower (2), an activated carbon adsorption box (3), a desulfurizing tower (4), plasma waste gas treatment equipment (5) and a gas collection box (6) which are communicated with each other from left to right, and is characterized in that a first fan (11) is arranged at the left end of the heating catalysis box (1), a first gas flowmeter (12) is arranged between the first fan (11) and the heating catalysis box (1), a gas detection device is arranged inside the gas collection box (6), an exhaust chimney (9) which faces upwards is arranged at the right end of the gas collection box (6), an exhaust switch (8) is arranged between the exhaust chimney (9) and the gas collection box (6), a second fan (7) is arranged at the front end of the gas collection box (6), and the air suction end of the second fan (7) extends into the gas collection box (6), the exhaust end of the second fan (7) is fixedly provided with an air inlet main pipe (13), the rear end of the gas collecting box (6) is provided with an air outlet main pipe (16), one end of the air outlet main pipe (16) close to the gas collecting box (6) is provided with a second gas flowmeter (19), the front ends of the heating catalytic box (1), the activated carbon adsorption box (3), the desulfurization tower (4) and the plasma waste gas treatment equipment (5) are respectively provided with an air inlet branch pipe (14) matched with the air inlet main pipe (13), the air inlet branch pipe (14) is communicated with the air inlet main pipe (13) after being connected with an air inlet switch (15), the rear ends of the pre-cooling tower (2), the activated carbon adsorption box (3), the desulfurization tower (4) and the plasma waste gas treatment equipment (5) are respectively provided with an air outlet branch pipe (17) matched with the air outlet main pipe (16), the air outlet branch pipe (17) is communicated with the air outlet main pipe (16) after being connected with the air outlet switch (, catalyst and reactant are placed in the heating catalytic box (1).

2. The exhaust gas purification device for potash fertilizer production according to claim 1, wherein the first fan (11) and the second fan (7) are both axial flow fans.

3. The exhaust gas purification apparatus for potash fertilizer production according to claim 1, wherein the height of the pre-cooling tower (2) is half of the height of the desulfurization tower (4).

4. The exhaust gas purification device for potash fertilizer production according to claim 1, wherein the volume of the activated carbon adsorption tank (3) is the same as the volume of the plasma exhaust gas treatment apparatus (5).

5. The waste gas purification device for potash fertilizer production according to claim 1, wherein the gas detection device is a QJ-BX composite gas alarm.

6. The exhaust gas purification device for potash fertilizer production according to claim 1, wherein an air pump (10) is provided between the air collection box (6) and the exhaust chimney (9).