CN213965950U

CN213965950U - Acid waste gas purification discharging equipment

Info

Publication number: CN213965950U
Application number: CN202022960231.0U
Authority: CN
Inventors: 于波
Original assignee: Donggang Hongda Pharmaceutical Co ltd
Current assignee: Donggang Hongda Pharmaceutical Co ltd
Priority date: 2020-12-12
Filing date: 2020-12-12
Publication date: 2021-08-17
Anticipated expiration: 2030-12-12

Abstract

The utility model discloses an acid exhaust purification discharging equipment relates to exhaust purification technical field, the utility model discloses a charge device, acid mist purification tower, spray set, photocatalysis unit and exhaust apparatus, charge device includes bottom plate and dosing pipe, acid mist purification tower includes circulating water tank and circulating water pump, the dosing pipe is connected with circulating water tank, spray set includes the shower, the shower is connected with circulating water pump, photocatalysis unit includes conveyer pipe and connecting pipe, the conveyer pipe is connected with the spray box, exhaust apparatus includes the glass steel fan, the glass steel fan is connected with the connecting pipe. The utility model relates to an acid exhaust purification discharging equipment adopts the method that liquid absorption method and photocatalysis combined together, can effectively get rid of acid waste gas water-soluble gas, and the absorption liquid sprays at the top of the tower and down after the water pump pressure boost at the bottom of the tower, and the last backward flow is to the cyclic utilization at the bottom of the tower, and acid waste gas after the purification utilizes the high energy ultraviolet beam to shine.

Description

Acid waste gas purification discharging equipment

Technical Field

The utility model relates to a waste gas purification technical field, in particular to acid exhaust purification discharging equipment.

Background

Various waste gases are inevitably generated in the industrial production process, and the acidic gases containing SO2, HCI and the like account for a large proportion in the industrial waste gases, such as direct discharge, and the pollution is very serious.

In the production process of the metronidazole raw material medicine, the temperature of a reacted product mixture is about 40 ℃, and a centrifugal machine is needed to separate the medicine and water. After the separation is finished, an operator needs to open the upper cover of the centrifuge to take out the bulk drugs. In the process of uncovering, acidic waste gas can be released from the centrifuge, and if no waste gas absorption device is arranged, the acidic gas is directly dispersed in a production workshop, so that the physical health of operators is influenced. The main operation mode in the prior art is to introduce acid mist waste gas into a purification tower through an air pipe, the acid mist waste gas and sodium hydroxide absorption liquid are subjected to gas-liquid two-phase full contact absorption neutralization reaction through a packing layer, and the acid mist waste gas is purified and then is discharged into the atmosphere through a fan after being dehydrated and demisted by a demisting plate. The prior art has the defects of low purification efficiency and substandard tail gas emission, and therefore, the acidic waste gas purification and emission device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an acid exhaust purification discharging equipment, can effectively solve among the background art purification efficiency low, the not up to standard problem of exhaust emissions.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an acid waste gas purification and emission device comprises a dosing device, an acid mist purification tower, a spraying device, a photocatalytic device and an exhaust device, wherein the dosing device comprises a bottom plate, a dosing bracket, a dosing barrel and a dosing pipe, the lower end of the dosing bracket is welded with the upper surface of the bottom plate, the upper end of the dosing bracket is welded with the lower surface of the dosing barrel, the acid mist purification tower comprises a circulating water tank, a spraying box and a circulating water pump, one end of the dosing pipe is connected with one surface of the circulating water tank, the lower surface of the circulating water tank is welded with the upper surface of the bottom plate, the lower surface of the spraying box is welded with the upper surface of the circulating water tank, one end of the circulating water pump is connected with the side surface of the circulating water tank, the spraying device comprises a spraying pipe, a spraying valve and a conveying pipe, the lower end of the spraying pipe is connected with the upper end of the circulating water pump, and one end of the spraying valve is connected with the side surface of the spraying pipe, a plurality of delivery pipe one end is connected with a plurality of spray valve other ends respectively, photocatalysis unit includes conveyer pipe and connecting pipe, conveyer pipe one end with spray the case upper surface and be connected, exhaust apparatus includes glass steel fan and blast pipe, a glass steel fan surface is connected with connecting pipe one end, another surface of glass steel fan and blast pipe one end welding, wherein, the number of shower and spray valve is two, and the main effect of shower and spray valve is to dissolve liquid and carry the spiral nozzle.

Preferably, the dosing device further comprises a dosing valve, one end of the dosing valve is connected with one surface of the dosing barrel, the other end of the dosing valve is welded with the other end of the dosing pipe, and the dosing device can provide medicines for the whole dosing barrel.

Preferably, the acid mist purification tower further comprises a packing plate, the spraying box is of a hollow structure, a plurality of rectangular mounting grooves are formed in the spraying box, the packing plate is mounted in the rectangular mounting grooves respectively, and the packing plate can be used for filling goods.

Preferably, the spraying device further comprises a plurality of spiral nozzles, the upper surfaces of the spiral nozzles are respectively connected with the other ends of the plurality of conveying water pipes, the number of the spiral nozzles is two, and the spiral nozzles are mainly used for spraying the dissolved liquid in a mist shape.

Preferably, the photocatalytic device still includes the photocatalysis room, the conveyer pipe other end and a surface welding of photocatalysis room, the connecting pipe other end and another surface welding of photocatalysis room, photocatalytic device can degrade waste gas.

Preferably, the exhaust device further comprises a chimney, the other end of the exhaust pipe is welded to the lower surface of the chimney, and the exhaust device can exhaust purified waste gas.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a method that liquid absorption method and photocatalysis combined together can effectively get rid of acid waste gas water-soluble gas. The waste gas is introduced into the acid mist absorption tower through an air pipe, and the waste gas and the sodium hydroxide absorption liquid are subjected to gas-liquid two-phase full contact absorption neutralization reaction through the packing layer. The absorption liquid is sprayed down at the tower top after being pressurized by a water pump at the tower bottom, and finally flows back to the tower bottom for recycling, and the purified acid waste gas is irradiated by high-energy ultraviolet light beams. The molecular chain structure of (malodorous) exhaust gas is arranged to be degraded and converted into low molecular compounds, such as CO2, H20, etc.; because the high-energy ultraviolet light beam decomposes oxygen molecules in the air to generate active ozone, the ozone has strong oxidation effect on organic matters, has good removing effect on malodorous gas and other irritant odor, and reaches the national emission standard.

Drawings

Fig. 1 is a schematic view of the overall structure of an acidic waste gas purification and discharge device of the present invention;

fig. 2 is a schematic front view of the acidic waste gas purifying and discharging device of the present invention;

fig. 3 is a left side view schematic structural diagram of the acidic waste gas purification and discharge device of the present invention;

fig. 4 is a schematic diagram of the internal cross-sectional structure at D-D in fig. 3 according to the present invention.

In the figure: 100. a dosing device; 101. a base plate; 102. adding a medicine bracket; 103. a medicine adding barrel; 104. a dosing valve; 105. a medicine feeding pipe; 200. an acid mist purification tower; 201. a circulating water tank; 202. a spray box; 203. a water circulating pump; 204. a filler sheet; 300. a spraying device; 301. a shower pipe; 302. a spray valve; 303. a water delivery pipe; 304. a spiral nozzle; 400. a photocatalytic device; 401. a delivery pipe; 402. a photocatalytic chamber; 403. a connecting pipe; 500. an exhaust device; 501. a glass fiber reinforced plastic fan; 502. an exhaust pipe; 503. and (4) a chimney.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the utility model relates to an acid waste gas purification and discharge device, which comprises a dosing device 100, an acid mist purification tower 200, a spray device 300, a photocatalytic device 400 and an exhaust device 500, wherein the dosing device 100 comprises a bottom plate 101, a dosing bracket 102, a dosing barrel 103 and a dosing pipe 105, the lower end of the dosing bracket 102 is welded with the upper surface of the bottom plate 101, the upper end of the dosing bracket 102 is welded with the lower surface of the dosing barrel 103, the acid mist purification tower 200 comprises a circulating water tank 201, a spray tank 202 and a circulating water pump 203, one end of the dosing pipe 105 is connected with one surface of the circulating water tank 201, the lower surface of the circulating water tank 201 is welded with the upper surface of the bottom plate 101, the lower surface of the spray tank 202 is welded with the upper surface of the circulating water tank 201, one end of the circulating water pump 203 is connected with the side surface of the circulating water tank 201, the spray device 300 comprises a spray pipe 301, a spray valve 302 and a conveying pipe 303, the lower end of the spray pipe 301 is connected with the upper end of the circulating water pump 203, one end of each of the spray valves 302 is connected with the side surface of the spray pipe 301, one end of each of the delivery pipes 303 is connected with the other end of each of the spray valves 302, the photocatalytic device 400 comprises a delivery pipe 401 and a connecting pipe 403, one end of the delivery pipe 401 is connected with the upper surface of the spray box 202, the exhaust device 500 comprises a glass fiber reinforced plastic fan 501 and an exhaust pipe 502, one surface of the glass fiber reinforced plastic fan 501 is connected with one end of the connecting pipe 403, the other surface of the glass fiber reinforced plastic fan 501 is welded with one end of the exhaust pipe 502, wherein the spray pipes 301 and the spray valves 302 are two in number, and the spray pipes 301 and the spray valves 302 are mainly used for delivering a dissolving liquid to the spiral nozzles 304.

Referring to fig. 1, the medicine adding device 100 further comprises a medicine adding valve 104, one end of the medicine adding valve 104 is connected with one surface of the medicine adding barrel 103, the other end of the medicine adding valve 104 is welded with the other end of the medicine adding pipe 105, and the medicine adding device 100 can provide medicine for the whole.

Referring to fig. 1 to 4, the acid mist purification tower 200 further includes a packing plate 204, the spray box 202 is a hollow structure, a plurality of rectangular installation grooves are formed in the spray box 202, the packing plates 204 are respectively installed in the rectangular installation grooves, and the packing plates 204 can be used for filling the goods.

Referring to fig. 1 to 4, the spraying device 300 further includes two spiral nozzles 304, and the upper surfaces of the spiral nozzles 304 are respectively connected to the other ends of the conveying pipes 303, and the spiral nozzles 304 are mainly used for spraying the solution in the form of mist.

Referring to fig. 1, the photocatalytic device 400 further includes a photocatalytic chamber 402, the other end of the delivery pipe 401 is welded to one surface of the photocatalytic chamber 402, the other end of the connecting pipe 403 is welded to the other surface of the photocatalytic chamber 402, and the photocatalytic device 400 is capable of degrading exhaust gas.

Referring to fig. 1, the exhaust device 500 further includes a chimney 503, and the other end of the exhaust pipe 502 is welded to the lower surface of the chimney 503, so that the exhaust device 500 can discharge the purified exhaust gas.

Referring to fig. 1-4, the utility model relates to an acid waste gas purification discharging equipment, the medicine in the medicine adding barrel 103 gets into circulation tank 201 through adding medicine valve 104, provides shower 301 through circulating water pump 203, and a plurality of spiral nozzle 304 of shower set up down, and a plurality of spiral nozzle 304 link to each other with shower 301 through delivery pipe 303, and shower 301 links to each other with circulating water pump 203. The purified materials on the packing plates 204 in the acid mist purification tower 200 are used as mass transfer equipment of gas-liquid two-phase contact elements, and the purified materials are arranged on the packing plates 204 in a stacking manner. The exhaust gas enters the inlet of the photocatalytic device 400, and ozone generated by ultraviolet light irradiation has a strong oxidizing effect on organic matters. Finally, the air at the outlet of the photocatalytic device 400 is exhausted to the atmosphere by a glass fiber reinforced plastic fan 501.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an acid waste gas purifies discharging equipment, includes charge device (100), acid mist purifying column (200), spray set (300), photocatalysis unit (400) and exhaust apparatus (500), its characterized in that: the chemical feeding device (100) comprises a bottom plate (101), a chemical feeding support (102), a chemical feeding barrel (103) and a chemical feeding pipe (105), the lower end of the chemical feeding support (102) is welded with the upper surface of the bottom plate (101), the upper end of the chemical feeding support (102) is welded with the lower surface of the chemical feeding barrel (103), the acid mist purification tower (200) comprises a circulating water tank (201), a spray tank (202) and a circulating water pump (203), one end of the chemical feeding pipe (105) is connected with one surface of the circulating water tank (201), the lower surface of the circulating water tank (201) is welded with the upper surface of the bottom plate (101), the lower surface of the spray tank (202) is welded with the upper surface of the circulating water tank (201), one end of the circulating water pump (203) is connected with the side surface of the circulating water tank (201), the spray device (300) comprises a spray pipe (301), a spray valve (302) and a delivery pipe (303), the lower end of the spray pipe (301) is connected with the upper end of the circulating water pump (203), a plurality of spray valve (302) one end all is connected, a plurality of with shower (301) side surface conveying pipe (303) one end is connected with a plurality of spray valve (302) other ends respectively, photocatalysis unit (400) are including conveyer pipe (401) and connecting pipe (403), conveyer pipe (401) one end with spray case (202) upper surface connection, exhaust apparatus (500) are including glass steel fan (501) and blast pipe (502), glass steel fan (501) one surface is connected with connecting pipe (403) one end, another surface of glass steel fan (501) and blast pipe (502) one end welding.

2. The acidic exhaust gas purification and emission device according to claim 1, wherein: the dosing device (100) further comprises a dosing valve (104), one end of the dosing valve (104) is connected with one surface of the dosing barrel (103), and the other end of the dosing valve (104) is welded with the other end of the dosing pipe (105).

3. The acidic exhaust gas purification and emission device according to claim 1, wherein: the acid mist purification tower (200) further comprises a packing plate (204), the spraying box (202) is of a hollow structure, a plurality of rectangular mounting grooves are formed in the spraying box (202), and the packing plate (204) is installed in the rectangular mounting grooves respectively.

4. The acidic exhaust gas purification and emission device according to claim 1, wherein: the spraying device (300) further comprises spiral nozzles (304), and the upper surfaces of the spiral nozzles (304) are respectively connected with the other ends of the conveying water pipes (303).

5. The acidic exhaust gas purification and emission device according to claim 1, wherein: the photocatalytic device (400) further comprises a photocatalytic chamber (402), the other end of the conveying pipe (401) is welded with one surface of the photocatalytic chamber (402), and the other end of the connecting pipe (403) is welded with the other surface of the photocatalytic chamber (402).

6. The acidic exhaust gas purification and emission device according to claim 1, wherein: the exhaust device (500) further comprises a chimney (503), and the other end of the exhaust pipe (502) is welded to the lower surface of the chimney (503).