CN114570185B

CN114570185B - Waste gas spray tower equipment for waste gas treatment

Info

Publication number: CN114570185B
Application number: CN202210251767.6A
Authority: CN
Inventors: 边超群; 罗小会; 王若剑; 叶子菁
Original assignee: Jinhua Polytechnic
Current assignee: Jinhua Polytechnic
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2023-02-03
Anticipated expiration: 2042-03-15
Also published as: CN114570185A

Abstract

The invention discloses waste gas spray tower equipment for waste gas treatment, which comprises a centrifugal fan, a spray tower, a gas inlet pipe and a waste gas pipe, wherein a first rotating shaft matched with the centrifugal fan is arranged in the gas inlet pipe; the invention provides equipment capable of automatically collecting scrap iron in waste gas, and provides a device for flocculating and settling organic matter impurities absorbed in a circulating box by using the scrap iron in the waste gas to generate iron salt, so that the purification efficiency of the waste gas is greatly improved, and the cost of waste gas purification is reduced.

Description

Waste gas spray tower equipment for waste gas treatment

Technical Field

The invention relates to the technical field of spray tower equipment, in particular to waste gas spray tower equipment for waste gas treatment.

Background

Waste gas spray tower equipment is generally used for treating various waste gases, and in modern production, a sheet metal painting workshop also generally adopts the spray tower equipment to treat the waste gases generated in the workshop. The waste gas that produces in the panel beating workshop of spraying paint contains the organic matter in a large amount of iron fillings, acid gas and the paint, and spray column equipment only absorbs the acid gas in the waste gas that sprays paint usually, and iron fillings and organic matter then can be dissolved in the absorption liquid after retrieving, because of the absorption liquid needs recycling, if contain iron fillings in the absorption liquid and can produce wearing and tearing to the drive disk assembly in the circulation system to organic matter in the absorption liquid also can produce adverse effect to the filtration equipment in the spray column.

Disclosure of Invention

The invention provides a waste gas spray tower device for waste gas treatment, aiming at the defects in the prior art.

In order to solve the technical problems, the invention is solved by the following technical scheme: a waste gas spray tower equipment for waste gas treatment comprises a centrifugal fan, a spray tower, an air inlet pipe and a waste gas pipe.

In the above scheme, preferably, a first rotating shaft matched with the centrifugal fan is arranged in the air inlet pipe, a plurality of first electromagnets are arranged on the first rotating shaft, and contact pieces are arranged on the first electromagnets; the air inlet pipe is internally and fixedly provided with a conducting ring which is matched with the contact piece and is connected with the power supply, the conducting ring is provided with a fracture, the air inlet pipe is provided with a blanking pipe matched with the fracture, and the air inlet pipe has the advantages that: the device for removing the scrap iron in the waste gas in the air inlet pipe is provided, the scrap iron can fall into the blanking pipe in an oriented mode, and the scrap iron removing rate is improved.

In the above scheme, it is preferred, be equipped with the second pivot on the centrifugal fan, be equipped with the second transmission dish in the second pivot, be equipped with on the first pivot with second transmission dish matched with first transmission dish, be equipped with the drive belt between first transmission dish and the second transmission dish, its beneficial effect lies in: a driving force of the first rotating shaft is provided, so that the first rotating shaft can synchronously work along with the rotation of the centrifugal fan.

In the above scheme, it is preferred, blanking pipe below is equipped with connects the hopper, be equipped with in the intake pipe and connect hopper matched with first support, connect and be equipped with a plurality of first springs between hopper and the first support, connect and be equipped with rotatable stripper on the hopper, the stripper with connect and be equipped with the fourth spring between the hopper, its beneficial effect lies in: the utility model provides a can collect connecing hopper of iron fillings, and the quality that just follows the iron fillings connects the hopper and can compress the first spring and make to connect the hopper to slide downwards.

In the above-mentioned scheme, it is preferred, be equipped with the clamp plate on the material receiving hopper, be equipped with on the first support with clamp plate matched with first switch and second switch, all be equipped with the second spring between first switch and second switch and first support, its beneficial effect lies in: a pressure plate is provided that slides with the hopper so that the pressure plate can trigger the first switch and the second switch.

In the above-mentioned scheme, it is preferred, be equipped with the baffle that slidable sheltered from the blanking pipe on the blanking pipe, baffle one end is equipped with the limiting plate, and the other end is connected with the stay cord, the stay cord links to each other with the clamp plate after wearing to establish the blanking pipe, be equipped with the third spring between limiting plate and the blanking pipe, its beneficial effect lies in: the baffle plate of the blanking pipe is provided, so that the baffle plate blocks the blanking pipe after the pressure plate slides, and scrap iron is prevented from falling.

In the above scheme, it is preferred, be equipped with on the first support with clamp plate matched with second electro-magnet, the second electro-magnet passes through the cable and links to each other with first switch, and its beneficial effect lies in: a second electromagnet is provided to be engaged with the pressing plate so that the pressing plate can be further attracted by the second electromagnet to slide.

In the above scheme, it is preferred, connect hopper below to be equipped with the conveyer, be equipped with a plurality of storage bottles on the conveyer, the conveyer passes through the cable and links to each other with the second switch, be equipped with on the conveyer with stripper matched with kicking block, the kicking block slides and locates on the conveyer, be equipped with on the kicking block with storage bottle matched with inclined plane, be equipped with the slide bar on the kicking block, be equipped with on the conveyer with slide bar matched with third switch, the third switch passes through the cable and links to each other with the second electro-magnet, and its beneficial effect lies in: the utility model provides a carry conveyer of storage bottle to the storage bottle can trigger and connect the hopper to open the stripper, makes iron fillings fall into in the storage bottle.

In the above-mentioned scheme, it is preferred, conveyer one side is equipped with and just can provide the constant delivery pump of liquid for it with the storage bottle mutually supporting, the constant delivery pump is located on the liquid reserve tank, and its beneficial effect lies in: a dosing pump for providing a liquid to storage bottles is provided, so that the quality of the liquid in each storage bottle is the same.

In the above scheme, it is preferred, the conveyer below is equipped with the mixing box of the interior liquid of pourable storage bottle, be equipped with the circulation case on the spray column, the mixing box passes through the hydraulic pump and carries liquid to the circulation incasement, be equipped with the breather pipe on the mixing box, its beneficial effect lies in: provides a mixing box which is filled with gas, and after the liquid in the mixing box is input into a circulating box through a pipeline, the organic matter in the circulating box is purified.

The beneficial effects of the invention are: the invention provides equipment capable of automatically collecting scrap iron in waste gas, and provides a device for flocculating and settling organic impurities absorbed in a circulating box by using the scrap iron in the waste gas to generate iron salt, so that the purification efficiency of the waste gas is greatly improved, and the purification cost of the waste gas is reduced.

Drawings

Fig. 1 is a schematic front view of the present invention.

FIG. 2 is a schematic view of the enlarged structure of part A of the present invention.

Fig. 3 is a schematic perspective view of the present invention.

FIG. 4 is a schematic view of the enlarged structure of the part B of the present invention.

FIG. 5 is a schematic cross-sectional view of the present invention.

FIG. 6 is a schematic diagram of a first electromagnet and a conductive ring according to the present invention.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1-6, a waste gas spray tower equipment for waste gas treatment, includes centrifugal fan 1, spray tower 2, intake pipe 3 and exhaust pipe 4, centrifugal fan 1 induction port is connected with exhaust pipe 4, and the gas outlet links to each other with

intake pipe

3, 3 one end of intake pipe links to each other with centrifugal fan 1, and the other end links to each other with spray tower 2, and waste gas gets into spray tower 2 through intake pipe 3 and carries out waste gas treatment, spray tower 2 is connected with circulation case 82, be equipped with the sodium hydroxide treatment fluid in the circulation case 82 for handle the acid gas in the panel beating waste gas that sprays paint, the organic matter in the waste gas then dissolves in the sodium hydroxide treatment fluid, all is in circulation case 82 after waste gas stops to handle.

The centrifugal fan is characterized in that a second rotating shaft 11 is arranged on the centrifugal fan 1, the second rotating shaft 11 is connected with a driving machine of the centrifugal fan 1, a second driving disc 12 is fixedly arranged on the second rotating shaft 11, a synchronous belt wheel is preferably selected from the second driving disc 12, a first rotating shaft 5 matched with the centrifugal fan 1 is arranged in the air inlet pipe 3, a first driving disc 13 matched with the second driving disc 12 is arranged on the first rotating shaft 5, the first driving disc 13 is preferably a synchronous belt wheel, a driving belt 14 is arranged between the first driving disc 13 and the second driving disc 12, the driving belt 14 is preferably a synchronous belt, the diameter of the first driving disc 13 is far larger than that of the second driving disc 12, and the rotating speed of the first rotating shaft 5 is far smaller than that of the second rotating shaft 11.

The electromagnetic switch is characterized in that a plurality of first electromagnets 6 are arranged on the first rotating shaft 5, the first electromagnets 6 are uniformly arranged around the circumference of the first rotating shaft 5, preferably 6 electromagnets are arranged, each first electromagnet 6 is provided with a contact piece 7, the contact pieces 7 are connected with the first electromagnets 6, and when the contact pieces 7 are electrified, the first electromagnets 6 are in an electrified state.

The preferred pipe of intake pipe 3, set firmly on 3 inner walls of intake pipe and cooperate and the conducting ring 8 that links to each other with the power with contact piece 7, fracture 9 has been seted up on the conducting ring 8, first electro-magnet 6 can slide at first pivot 5 contact on the conducting ring 8 when rotating through contact piece 7, fracture 9 preferred sets up in 3 lower extremes of intake pipe, run through on the intake pipe 3 and be equipped with the blanking pipe 10 with fracture 9 matched with, blanking pipe 10 link up with 3 bodys in intake pipe, blanking pipe 10 is equipped with the scraper blade with 3 junctions in intake pipe, the preferred symmetry of scraper blade 101 sets up, and when first electro-magnet 6 rotated through scraper blade 101, scraper blade 101 can be with the adsorbed iron fillings on the first electro-magnet 6 scrape into the blanking pipe 10 in.

A first support 22 is arranged on the outer wall below the air inlet pipe 3, a receiving hopper 21 matched with the blanking pipe 10 is arranged on the first support 22 in a sliding mode, a pressing plate 31 is fixedly arranged at an upper end opening of the receiving hopper 21, a plurality of first springs 23 are arranged between the pressing plate 31 and the first support 22, and preferably 4 first springs 23 are arranged on four corners of the pressing plate 31; the first bracket 22 is slidably provided with a first switch 32 and a second switch 33 which are matched with the pressure plate 31, and a second spring 34 is arranged between the first switch 32, the second switch 33 and the first bracket 22, that is, after the pressure plate 31 slides downwards, the pressure plate 31 compresses the first spring 23, and then the first switch 32 and the second switch 33 are continuously pressed down, so that the first switch 32 and the second switch 33 compress the second spring 34.

Connect hopper 21 lower extreme to rotate and be equipped with stripper 24, stripper 24 middle part is rotated through the round pin axle and is located and connect hopper 21 lower right corner, and stripper 24 left side is continuous with connecing hopper 21 outer wall through

fourth spring

25, and 24 right sides of stripper continue to extend one section distance to keeping away from and connect hopper 21 one side, and when stripper 24 did not receive the force promptly, fourth spring 25 pulling stripper 24 made it with connect hopper 21 end opening laminating, made the iron fillings that connect in the hopper 21 can not spill.

The first bracket 22 is provided with a second electromagnet 51 matched with the pressing plate 31, the second electromagnet 51 is connected with the first switch 32 through a cable, namely when the pressing plate 31 is contacted with the first switch 32, the second electromagnet 51 is triggered to be electrified, so that the second electromagnet 51 attracts the pressing plate 31, and at the moment, the pressing plate 31 further slides downwards.

Be equipped with the slip on blanking pipe 10 and be equipped with baffle 41 that can shelter from blanking pipe 10 cross section, baffle 41 right-hand member is equipped with limiting plate 42, and the left end slides and locates in blanking pipe 10 and be connected with stay cord 43, stay cord 43 transversely wears to establish behind blanking pipe 10 left and links to each other with clamp plate 31, be equipped with third spring 44 between limiting plate 42 and the blanking pipe 10, third spring 44 both ends respectively with blanking pipe 10 outer wall and limiting plate 42 left side terminal surface fixed connection, promptly when clamp plate 31 gliding backward, second electro-magnet 51 actuation clamp plate 31, clamp plate 31 then stimulate baffle 41 and make baffle 41 slide left and shelter from the cross section of blanking pipe 10, make iron fillings no longer fall through blanking pipe 10.

Connect hopper 21 below to be equipped with conveyer 61, conveyer 61 passes through step motor drive, and step motor 61 drives once promptly, then connects hopper 21 to remove a section distance, a plurality of storage bottles 62 have been set firmly on conveyer 61's the conveyer belt, storage bottles 62 interval sets up, and step motor drives once promptly, and storage bottles 62 removes the distance of a station, conveyer 61 passes through the cable and links to each other with second switch 33, promptly when clamp plate 31 contacts with second switch 33, makes conveyer 61 circular telegram drive, the last slip of conveyer 61 is equipped with the kicking block 63 with stripper 24 right side matched with, kicking block 63 left side is equipped with the inclined plane 64 with storage bottles 62 matched with, inclined plane 64 inclines to the right side from top to bottom, kicking block 63 both ends slide through slide bar 65 and locate in conveyer 61's the frame, promptly when storage bottles 62 transmission, storage bottles 62 upper shed and the inclined plane 64 contact of kicking block 63 make kicking block 63 upwards slide, further top by the right-hand member of stripper 24, make stripper 24 rotate around the round pin axle to connect the hopper 21 internal opening of iron fillings to fall into the hopper through the opening of hopper.

A liquid storage box 72 matched with the storage bottle 62 is arranged above the left side of the conveyor 61, a dosing pump 71 is connected to the liquid storage box 72, the dosing pump 71 can quantitatively convey liquid into the storage bottle 62 through a PLC (programmable logic controller), the liquid is preferably hydrochloric acid, and when iron chips fall into the storage bottle 62 filled with hydrochloric acid, ferrous chloride can be generated through reaction; a third switch 66 matched with the slide rod 65 is arranged on the frame of the conveyor 61, an end plate is arranged at the lower end of the slide rod 65, when the jacking block 63 upwards jacks to the uppermost end, the end plate is in contact with the third switch 66 to trigger the third switch 66, the third switch 66 is connected with the second electromagnet 51 through a cable, and the end plate can trigger the third switch 66 to power off the second electromagnet 51.

Conveyer 61 below is equipped with the mixing box 81 of the ferrous chloride liquid in the pourable holding vessel 62, be equipped with breather pipe 84 in the mixing box 81, the preferred logical chlorine of breather pipe 84, pour into the mixing box 81 back and chlorine reaction when the ferrous chloride solution and produce the ferric chloride, the ferric chloride is a ferric salt commonly used, is commonly used for the organic matter of handling the aquatic, makes the organic matter mix and produces the flocculation and separate out, mixing box 81 carries the ferric chloride solution to circulation case 82 in through hydraulic pump 83, hydraulic pump 83 accessible PLC controller links to each other with centrifugal fan 1, when centrifugal fan 1 is out of work, then waste gas has been handled, and hydraulic pump 83 work adds the molysite in the circulation case 82 this moment, makes the organic matter in the circulation case 82 produce the flocculation and separate out.

A method of using an exhaust gas spray tower apparatus for exhaust gas treatment as described above: the centrifugal fan 1 sucks waste gas into the spray tower 2 through the gas inlet pipe 3, the first electromagnet 6 in the gas inlet pipe 3 rotationally adsorbs scrap iron, when the first electromagnet 6 passes through the fracture 9, the first electromagnet 6 is powered off, at the moment, the scrap iron on the first electromagnet 6 is scraped into the receiving hopper 21 by the scraper 101, the weight of the scrap iron in the receiving hopper 21 is gradually increased, the pressing plate 31 compresses the first spring 23, after the mass is increased to a certain degree, the pressing plate 31 triggers the first switch 32 and the second switch 33, the first switch 32 triggers the second electromagnet 51 to adsorb the pressing plate 31, the pressing plate 31 further slides downwards and blocks the cross section of the blanking pipe 10 by pulling the baffle 41 through the pull rope 43, the second switch 33 triggers the conveyor 61 to drive, the conveyor 61 slides the storage bottle 62 filled with hydrochloric acid to the lower part of the receiving hopper 21, the storage bottle 62 gradually abuts against the inclined surface 64 while sliding, the top block 63 abuts against the discharging plate 24 to rotate, the scrap iron in the receiving hopper 21 falls into the storage bottle 62, when the top block 63 reaches the top end, the third switch 66 is triggered, the second electromagnet 51 is powered off, the discharging plate 31 is reset function of the lower discharging hopper 21 again; when the conveyor 61 is driven next time, the ferrous chloride solution obtained by mixing the iron filings in the storage bottle 62 and the hydrochloric acid is poured into the mixing box 81, the chlorine in the mixing box 81 reacts with the ferrous chloride solution to generate ferric chloride, when the centrifugal fan 1 stops rotating, the waste gas stops processing, at the moment, the ferric chloride solution is introduced into the circulating box 82, and the organic matters in the circulating box 82 are analyzed.

In the invention, the quantitative hydrochloric acid and the quantitative scrap iron in the storage bottle 62 are subjected to fractional bottle-dividing reaction, so that the generated ferrous chloride solution is proportioned in proportion, and no scrap iron is left after the reaction.

The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a waste gas spray column equipment for exhaust-gas treatment, includes centrifugal fan (1), spray column (2), intake pipe (3) and exhaust pipe (4), its characterized in that: a first rotating shaft (5) matched with the centrifugal fan (1) is arranged in the air inlet pipe (3), a plurality of first electromagnets (6) are arranged on the first rotating shaft (5), and contact pieces (7) are arranged on the first electromagnets (6);

a conducting ring (8) which is matched with the contact piece (7) and is connected with a power supply is fixedly arranged in the air inlet pipe (3), a fracture (9) is formed in the conducting ring (8), and a blanking pipe (10) which is matched with the fracture (9) is arranged on the air inlet pipe (3);

a receiving hopper (21) is arranged below the blanking pipe (10), a first support (22) matched with the receiving hopper (21) is arranged on the air inlet pipe (3), a plurality of first springs (23) are arranged between the receiving hopper (21) and the first support (22), a rotatable discharging plate (24) is arranged on the receiving hopper (21), and a fourth spring (25) is arranged between the discharging plate (24) and the receiving hopper (21);

a pressing plate (31) is arranged on the receiving hopper (21), and a second switch (33) matched with the pressing plate (31) is arranged on the first support (22);

a conveyor (61) is arranged below the receiving hopper (21), a plurality of storage bottles (62) are arranged on the conveyor (61), the conveyor (61) is connected with a second switch (33) through a cable, a top block (63) matched with the discharging plate (24) is arranged on the conveyor (61), the top block (63) is arranged on the conveyor (61) in a sliding mode, and an inclined surface (64) matched with the storage bottles (62) is arranged on the top block (63);

a mixing box (81) capable of dumping and storing liquid in the bottle is arranged below the conveyor (61), a circulating box (82) is arranged on the spray tower (2), the mixing box (81) conveys the liquid into the circulating box (82) through a hydraulic pump (83), and a vent pipe (84) is arranged on the mixing box (81);

liquid is hydrochloric acid in the storage bottle (62), and iron fillings fall into behind the storage bottle (62) that are equipped with hydrochloric acid, can react and generate ferrous chloride, breather pipe (84) lead to have chlorine, react with chlorine after ferrous chloride solution pours into mixing box (81) and produce the ferric chloride, mixing box (81) are carried the ferric chloride solution to circulation case (82) in through hydraulic pump (83).

2. An exhaust gas spray tower apparatus for exhaust gas treatment according to claim 1, wherein: be equipped with second pivot (11) on centrifugal fan (1), be equipped with second transmission dish (12) on second pivot (11), be equipped with on first pivot (5) with second transmission dish (12) matched with first transmission dish (13), be equipped with between first transmission dish (13) and second transmission dish (12) drive belt (14).

3. An exhaust gas spray tower apparatus for exhaust gas treatment according to claim 1, wherein: and a first switch (32) matched with the pressing plate (31) is arranged on the first support (22), and second springs (34) are arranged between the first switch (32), the second switch (33) and the first support (22).

4. An exhaust gas spray tower apparatus for exhaust gas treatment according to claim 3, wherein: be equipped with baffle (41) that slidable sheltered from blanking pipe (10) on blanking pipe (10), baffle (41) one end is equipped with limiting plate (42), and the other end is connected with stay cord (43), stay cord (43) wear to establish and link to each other with clamp plate (31) behind blanking pipe (10), be equipped with third spring (44) between limiting plate (42) and blanking pipe (10).

5. The exhaust gas spray tower apparatus for exhaust gas treatment according to claim 4, wherein: and a second electromagnet (51) matched with the pressing plate (31) is arranged on the first support (22), and the second electromagnet (51) is connected with the first switch (32) through a cable.

6. An exhaust gas spray tower apparatus for exhaust gas treatment according to claim 5, wherein: a sliding rod (65) is arranged on the top block (63), a third switch (66) matched with the sliding rod (65) is arranged on the conveyor (61), and the third switch (66) is connected with the second electromagnet (51) through a cable.

7. An exhaust gas spray tower apparatus for exhaust gas treatment according to claim 6, wherein: conveyer (61) one side is equipped with and cooperatees and can provide quantitative pump (71) of liquid for it with storage bottle (62), quantitative pump (71) are located on liquid reserve tank (72).