CN215962923U

CN215962923U - Phosphorus trichloride tail gas absorbing device

Info

Publication number: CN215962923U
Application number: CN202121744784.0U
Authority: CN
Inventors: 肖兴强
Original assignee: Jingmen City Qiangsheng Chemical Co ltd
Current assignee: Jingmen City Qiangsheng Chemical Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-03-08
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a phosphorus trichloride tail gas absorption device, which adopts the technical scheme that: the reaction tank is fixedly arranged at the top of the shell, the water tank is fixedly arranged on one side of the shell, a supporting shaft is fixedly connected to the top of the water tank, an absorption mechanism is arranged at the top of the supporting shaft, and a spraying mechanism is arranged in the shell; the absorption mechanism comprises a collection shell, the collection shell is arranged at the top of the supporting shaft, a collection box is arranged inside the collection shell, a barrel is fixedly arranged at the top of the collection shell, an air inlet is fixedly connected to one side of the barrel, a drain pipe is sleeved outside the barrel, one end of the drain pipe extends into the water tank, the other end of the drain pipe extends into the shell, and a gas pipe is fixedly connected to the top of the barrel: can treat tail gas fast and efficiently, reduce the pollution to the environment, and avoid phosphorus trichloride waste, influence the productivity effect and cause resource waste.

Description

Phosphorus trichloride tail gas absorbing device

Technical Field

The utility model relates to the field of phosphorus trichloride tail gas treatment, in particular to a phosphorus trichloride tail gas absorption device.

Background

Phosphorus trichloride is an inorganic substance with a chemical formula of Cl3P, and is mainly used as a raw material for manufacturing trichlorfon, dichlorvos, methamidophos, acephate, phosphorus oxychloride, phosphorous acid, triphenyl phosphate and tricresyl phosphate, the medical industry is used for producing intermediates of drugs such as sulfadiazine, sulfapenethoxydiazine and the like, and the dye industry is used as a condensing agent for producing a chromophenol dye and is also used as a chlorinating agent and a catalyst for producing spices.

The prior art has the following defects: a part of phosphorus trichloride can be discharged together with discharged tail gas in the production process of the existing phosphorus trichloride, however, the phosphorus trichloride is harmful to the environment, can cause pollution to a water body and influence the environment, and meanwhile, the discharged phosphorus trichloride seriously influences the production benefit and causes resource waste.

Therefore, the utility model is necessary to invent a phosphorus trichloride tail gas absorption device.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a phosphorus trichloride tail gas absorption device, which solves the problems that part of phosphorus trichloride is discharged together with discharged tail gas in the production process of phosphorus trichloride through an absorption mechanism and a spraying mechanism, the phosphorus trichloride is harmful to the environment, the water body can be polluted, the environment is influenced, and the discharged phosphorus trichloride seriously influences the production benefit and causes resource waste.

In order to achieve the above purpose, the utility model provides the following technical scheme: a phosphorus trichloride tail gas absorption device comprises a shell, wherein a reaction box is fixedly arranged at the top of the shell, a water tank is fixedly arranged on one side of the shell, a supporting shaft is fixedly connected to the top of the water tank, an absorption mechanism is arranged at the top of the supporting shaft, and a spraying mechanism is arranged inside the shell;

absorbing mechanism is including collecting the shell, collect the shell and locate the back shaft top, collect the inside collection box that is equipped with of shell, collect the fixed barrel that is equipped with in shell top, barrel one side fixedly connected with air inlet, the outside cover of barrel is equipped with the drain pipe, inside drain pipe one end extends into the water tank, inside the drain pipe other end extends into the casing, barrel top fixedly connected with gas-supply pipe, inside the gas-supply pipe other end extends into the casing, the inside buffering subassembly that is equipped with of barrel, the buffering subassembly includes first baffle, first baffle is fixed to be located inside the barrel.

Further, the spraying mechanism includes the box body, a plurality of atomizer of box body bottom fixedly connected with, box body top fixedly connected with bracing piece, bracing piece top fixedly connected with support frame, support frame both ends fixedly connected with support bar, box body top and drain pipe tip fixed connection.

Further, the inside both sides wall of casing has all seted up the spout, inside support bar one side extended into the spout, a plurality of gyro wheels of shells inner wall fixedly connected with, the gyro wheel contacts with the support bar.

Further, casing one side fixedly connected with safety cover, the inside fixedly connected with motor of safety cover, motor output end fixedly connected with dwang, the dwang runs through the casing and passes through the bearing with the casing and be connected, dwang one end fixedly connected with gear, the gear top is equipped with the rack, gear and rack mesh mutually, rack and support bar fixed connection.

Further, the water tank is internally and fixedly provided with a water pump, the output end of the water pump is fixedly connected with a water discharge pipe, and the top of the water tank is fixedly provided with a water inlet pipe.

Further, an air outlet cylinder is arranged inside the shell, one end of the air outlet cylinder is fixedly connected with the air conveying pipe, the other end of the air outlet cylinder is fixedly connected with a supporting block, the other end of the supporting block is fixedly connected with the side wall of the shell, one end of the air outlet cylinder is fixedly connected with a connecting plate, and the other end of the connecting plate is fixedly connected with the side wall of the shell.

Furthermore, a transmission shaft is arranged inside the reaction box, one end of the transmission shaft extends out of the reaction box and is connected with the reaction box through a bearing, and an exhaust port is fixedly connected to the top of the reaction box.

Further, the outside equal fixed cover of transmission shaft and dwang is equipped with the belt pulley, the outside cover of belt pulley is equipped with the belt, the belt runs through the safety cover, a plurality of stirring leaves of transmission shaft outside fixedly connected with, transmission shaft one end is equipped with the backup pad, the transmission shaft passes through the bearing with the backup pad and is connected, backup pad and reaction box fixed connection.

Further, casing top fixedly connected with blast pipe, inside the blast pipe other end extended into the reaction box, the fixed valve that is equipped with in blast pipe one side.

The utility model has the beneficial effects that:

1. according to the utility model, water in the water tank is conveyed to the drain pipe through the water pump, the drain pipe cools tail gas in the cylinder body, so that part of phosphorus trichloride in the tail gas is contacted with the first baffle plate to form liquid phosphorus trichloride, and the liquid phosphorus trichloride falls into the collecting box in the collecting shell, thereby avoiding waste of phosphorus trichloride, influence on production benefit and resource waste;

2. according to the utility model, the rack moves to drive the supporting bar to move, the supporting bar moves to drive the supporting frame to move, the supporting frame moves to drive the supporting bar to move, the supporting bar moves to drive the box body to move, the box body moves to drive the atomizing nozzle to move, the atomizing nozzle moves to spray water mist, so that the water mist is contacted with tail gas, phosphorus trichloride in the tail gas is hydrolyzed to generate phosphorous acid, the tail gas can be treated quickly and efficiently, and the pollution of the tail gas to the environment is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a front cross-sectional view provided by the present invention;

FIG. 3 is a side cross-sectional view of the housing provided by the present invention;

FIG. 4 is a perspective view of the vent cylinder provided by the present invention;

fig. 5 is a perspective view of the atomizer provided in the present invention.

In the figure: 1 shell, 2 reaction chambers, 3 exhaust ports, 4 exhaust pipes, 5 gas conveying pipes, 6 water discharging pipes, 7 barrel bodies, 8 gas inlets, 9 water tanks, 10 water inlet pipes, 11 collecting boxes, 12 collecting shells, 13 supporting shafts, 14 transmission shafts, 15 belt pulleys, 16 stirring blades, 17 belts, 18 shells, 19 motors, 20 rotating rods, 21 gears, 22 supporting blocks, 23 gas outlet cylinders, 24 discharge ports, 25 supporting plates, 26 supporting frames, 27 box bodies, 28 connecting plates, 29 first baffle plates, 30 water pumps, 31 rollers, 32 supporting strips, 33 racks and 34 atomizing nozzles.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to the attached drawings 1-5, the phosphorus trichloride tail gas absorption device provided by the utility model comprises a shell 1, wherein a reaction box 2 is fixedly arranged at the top of the shell 1, a water tank 9 is fixedly arranged on one side of the shell 1, a supporting shaft 13 is fixedly connected to the top of the water tank 9, an absorption mechanism is arranged at the top of the supporting shaft 13, and a spraying mechanism is arranged in the shell 1;

absorbing mechanism is including collecting shell 12, collect shell 12 and locate back shaft 13 top, collect the inside collection box 11 that is equipped with of shell 12, collect the fixed barrel 7 that is equipped with in shell 12 top, 7 one side fixedly connected with air inlet 8 of barrel, the outside cover of barrel 7 is equipped with

drain pipe

6, 6 one end of drain pipe extends into inside the water tank 9, the 6 other end of drain pipe extends into inside 1 of casing, 7 top fixedly connected with gas-supply pipe 5 of barrel, the 5 other ends of gas-supply pipe extend into inside 1 of casing, the inside buffering subassembly that is equipped with of barrel 7, the buffering subassembly includes first baffle 29, inside first baffle 29 is fixed to be located barrel 7, back shaft 13 has the supporting role, and drain pipe 6 conveniently cools off barrel 7, and first baffle 29 slows down tail gas delivery rate.

Further, the spraying mechanism includes box body 27, a plurality of atomizer 34 of box body 27 bottom fixedly connected with, box body 27 top fixedly connected with bracing piece, bracing piece top fixedly connected with support frame 26, support frame 26 both ends fixedly connected with support bar 32, box body 27 top and 6 tip fixed connections of drain pipe, atomizer 34 makes exhaust purification's effect better.

Further, the spout has all been seted up to the inside both sides wall of casing 1, inside support bar 32 one side extended into the spout, a plurality of gyro wheels 31 of casing 1 inner wall fixedly connected with, gyro wheel 31 contacts with support bar 32, and support frame 26 has the supporting role.

Further, 1 one side fixedly connected with safety cover 18 of casing, the inside fixedly connected with motor 19 of

safety cover

18, 19 output end fixedly connected with dwang 20 of motor, dwang 20 runs through casing 1 and is connected through the bearing with

casing

1, 20 one end fixedly connected with gears 21 of dwang, the gear 21 top is equipped with rack 33, gear 21 meshes with rack 33 mutually, rack 33 and support bar 32 fixed connection, rack 33 drive support bar 32 and remove.

Further, a water pump 30 is fixedly arranged inside the water tank 9, the output end of the water pump 30 is fixedly connected with the water drainage pipe 6, and a water inlet pipe 10 is fixedly arranged at the top of the water tank 9.

Further, an air outlet cylinder 23 is arranged inside the shell 1, one end of the air outlet cylinder 23 is fixedly connected with the air delivery pipe 5, the other end of the air outlet cylinder 23 is fixedly connected with a supporting block 22, the other end of the supporting block 22 is fixedly connected with the side wall of the shell 1, one end of the air outlet cylinder 23 is fixedly connected with a connecting plate 28, and the other end of the connecting plate 28 is fixedly connected with the side wall of the shell 1.

Further, a transmission shaft 14 is arranged inside the reaction box 2, one end of the transmission shaft 14 extends out of the reaction box 2 and is connected with the reaction box 2 through a bearing, and an exhaust port 3 is fixedly connected to the top of the reaction box 2.

Further,

transmission shaft

14 and 20 outside equal fixed sleeves of dwang are equipped with belt pulley 15, the outside cover of belt pulley 15 is equipped with belt 17, belt 17 runs through safety cover 18, a plurality of stirring leaves 16 of the 14 outside fixedly connected with of transmission shaft, 14 one end of transmission shaft is equipped with backup pad 25, transmission shaft 14 passes through the bearing with backup pad 25 and is connected,

backup pad

25 and 2 fixed connection of reaction box.

Further, casing 1 top fixedly connected with blast pipe 4, inside the 4 other ends of blast pipe extended into reaction box 2, the fixed valve that is equipped with in blast pipe 4 one side.

The using process of the utility model is as follows: when the device is used, the device is connected with an external power supply, tail gas is input into the cylinder 7 through the air inlet 8, the tail gas firstly contacts with the first baffle 29 after entering the cylinder 7, the water pump 30 is started, the water pump 30 conveys water in the water tank 9 to the drain pipe 6, the drain pipe 6 cools the tail gas in the cylinder 7, partial phosphorus trichloride in the tail gas contacts with the first baffle 29 to form liquid phosphorus trichloride and falls into the collection box 11 in the collection shell 12, meanwhile, the residual tail gas in the cylinder 7 is conveyed into the gas outlet cylinder 23 through the gas conveying pipe 5 and is finally discharged from the bottom of the gas outlet cylinder 23, meanwhile, the drain pipe 6 conveys water into the box body 27 and is finally discharged from the bottom of the atomizing nozzle 34, the motor 19 is started, the motor 19 drives the rotating rod 20 to rotate forward and backward, the rotating rod 20 drives the gear 21 to rotate, the gear 21 drives the rack 33 to move, the rack 33 moves and drives the supporting bar 32 to move, the supporting bar 32 moves and drives the supporting frame 26 to move, the supporting frame 26 moves and drives the supporting bar to move, the supporting bar moves and drives the box body 27 to move, the box body 27 moves and drives the atomizing nozzle 34 to move, the atomizing nozzle 34 moves and sprays water mist, the water mist is in contact with tail gas, phosphorus trichloride in the tail gas is hydrolyzed and generates phosphorous acid, after all phosphorus trichloride is hydrolyzed, the generated mixed solution is discharged from the discharge port 24, meanwhile, the generated hydrogen chloride gas is discharged into the reaction box 2 from the exhaust pipe 4, the reaction box 2 is internally provided with sodium hydroxide solution, drive belt pulley 15 through dwang 20 and rotate, belt pulley 15 rotates and drives belt 17 and rotate, and belt 17 rotates and drives transmission shaft 14 and rotate, and transmission shaft 14 rotates and drives stirring leaf 16 and rotate, makes stirring leaf 16 accelerated reaction, improves the treatment effeciency of tail gas.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims

1. The utility model provides a phosphorus trichloride tail gas absorbing device, includes casing (1), its characterized in that: the reaction box (2) is fixedly arranged at the top of the shell (1), the water tank (9) is fixedly arranged on one side of the shell (1), the top of the water tank (9) is fixedly connected with a supporting shaft (13), the top of the supporting shaft (13) is provided with an absorption mechanism, and the spraying mechanism is arranged in the shell (1);

absorbing mechanism is including collecting shell (12), back shaft (13) top is located in collection shell (12), collect inside collection box (11) that is equipped with of shell (12), collect fixed barrel (7) that is equipped with in shell (12) top, barrel (7) one side fixedly connected with air inlet (8), barrel (7) outside cover is equipped with drain pipe (6), inside drain pipe (6) one end extends into water tank (9), inside drain pipe (6) other end extends into casing (1), barrel (7) top fixedly connected with gas-supply pipe (5), inside gas-supply pipe (5) other end extends into casing (1), the inside buffering subassembly that is equipped with of barrel (7), the buffering subassembly includes first baffle (29), first baffle (29) are fixed to be located inside barrel (7).

2. The phosphorus trichloride tail gas absorption device according to claim 1, characterized in that: the spraying mechanism comprises a box body (27), a plurality of atomizing spray heads (34) are fixedly connected to the bottom of the box body (27), a supporting rod is fixedly connected to the top of the box body (27), a supporting frame (26) is fixedly connected to the top of the supporting rod, supporting frames (26) are fixedly connected to two ends of the supporting frame (32), and the top of the box body (27) is fixedly connected with the end of the water drainage pipe (6).

3. The phosphorus trichloride tail gas absorption device according to claim 2, characterized in that: the spout has all been seted up to casing (1) inside both sides wall, inside support bar (32) one side extended into the spout, a plurality of gyro wheels (31) of casing (1) inner wall fixedly connected with, gyro wheel (31) contact with support bar (32).

4. The phosphorus trichloride tail gas absorption device according to claim 3, characterized in that: casing (1) one side fixedly connected with safety cover (18), inside fixedly connected with motor (19) of safety cover (18), motor (19) output end fixedly connected with dwang (20), dwang (20) run through casing (1) and are connected through the bearing with casing (1), dwang (20) one end fixedly connected with gear (21), gear (21) top is equipped with rack (33), gear (21) mesh mutually with rack (33), rack (33) and support bar (32) fixed connection.

5. The phosphorus trichloride tail gas absorption device according to claim 1, characterized in that: the water tank (9) is internally and fixedly provided with a water pump (30), the output end of the water pump (30) is fixedly connected with a drain pipe (6), and the top of the water tank (9) is fixedly provided with a water inlet pipe (10).

6. The phosphorus trichloride tail gas absorption device according to claim 1, characterized in that: the gas outlet device is characterized in that a gas outlet cylinder (23) is arranged inside the shell (1), one end of the gas outlet cylinder (23) is fixedly connected with the gas conveying pipe (5), the other end of the gas outlet cylinder (23) is fixedly connected with a supporting block (22), the other end of the supporting block (22) is fixedly connected with the side wall of the shell (1), one end of the gas outlet cylinder (23) is fixedly connected with a connecting plate (28), and the other end of the connecting plate (28) is fixedly connected with the side wall of the shell (1).

7. The phosphorus trichloride tail gas absorption device according to claim 4, characterized in that: the reaction box is characterized in that a transmission shaft (14) is arranged inside the reaction box (2), one end of the transmission shaft (14) extends out of the reaction box (2) and is connected with the reaction box (2) through a bearing, and an exhaust port (3) is fixedly connected to the top of the reaction box (2).

8. The phosphorus trichloride tail gas absorption device according to claim 7, characterized in that: transmission shaft (14) and dwang (20) outside all fixed cover are equipped with belt pulley (15), the outside cover of belt pulley (15) is equipped with belt (17), safety cover (18) are run through in belt (17), a plurality of stirring leaves (16) of transmission shaft (14) outside fixedly connected with, transmission shaft (14) one end is equipped with backup pad (25), transmission shaft (14) is connected through the bearing with backup pad (25), backup pad (25) and reaction box (2) fixed connection.

9. The phosphorus trichloride tail gas absorption device according to claim 1, characterized in that: casing (1) top fixedly connected with blast pipe (4), inside blast pipe (4) other end extended into reaction box (2), fixed valve that is equipped with in blast pipe (4) one side.