CN212855267U - Chlorine nitrile aldehyde synthetic reaction waste gas alkali absorbing device - Google Patents

Chlorine nitrile aldehyde synthetic reaction waste gas alkali absorbing device Download PDF

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CN212855267U
CN212855267U CN202021227627.8U CN202021227627U CN212855267U CN 212855267 U CN212855267 U CN 212855267U CN 202021227627 U CN202021227627 U CN 202021227627U CN 212855267 U CN212855267 U CN 212855267U
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wall
casing
waste gas
welded
pipe
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蒋广明
张俊孝
李振江
赵广军
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Henan Hailihua Biotechnology Development Co ltd
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Henan Hailihua Biotechnology Development Co ltd
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Abstract

The utility model discloses a chlorine nitrile aldehyde synthetic reaction waste gas alkali absorbing device, including the casing, casing internal weld has the injection storehouse, and the internal weld of injection storehouse has the plywood, and the welding of plywood bottom has evenly distributed's shower nozzle, and the jet orifice that plywood top outer wall was opened has evenly distributed, sprays the inside packing layer that is provided with in storehouse, there is the water pump casing top through bolted connection, and there is the liquid suction pipe water inlet department of water pump through threaded connection, and inside the bottom of liquid suction pipe was run through casing top outer wall and was extended to the casing, there was the spray tube water outlet department of water pump through threaded connection, and inside the bottom of spray tube was run through the casing in proper order and was extended to the injection storehouse top outer wall, the bottom of spray. The utility model discloses utilize the water pump to spout the inside alkaline solution of casing inside spraying the storehouse for the acid waste gas that produces the inside chlorine nitrile aldehyde synthetic reaction of entering spraying storehouse carries out the neutralization, consequently realizes the effect that acid waste gas alkali absorption efficiency is high.

Description

Chlorine nitrile aldehyde synthetic reaction waste gas alkali absorbing device
Technical Field
The utility model relates to a waste gas treatment equipment technical field especially relates to a chlorine nitrile aldehyde synthetic reaction waste gas alkali absorbing device.
Background
In the industrial synthesis of chloronitrile aldehyde, a large amount of acidic waste gas is generated, and the waste gas cannot be directly discharged into the air, so that the acidic gas in the waste gas needs to be absorbed by an alkali absorption device to purify the waste gas.
The alkali absorption device for treating waste gas of the chloronitrile aldehyde synthesis reaction in the prior art has the following disadvantages:
1. the absorption efficiency of the acid exhaust gas is not high, so that a large amount of acid exhaust gas is also contained in the exhaust gas.
2. The utilization rate of the alkaline solution for absorbing the acidic exhaust gas is low, resulting in the waste of the alkaline solution.
3. The energy-saving effect is not achieved, and energy waste is caused.
Therefore, it is necessary to design an alkali absorption device for waste gas from the synthesis of chloronitrile aldehyde to solve the above problems.
Disclosure of Invention
The utility model aims at solving the defects of low absorption rate, waste of alkaline solution and no energy-saving effect of acid waste gas in the prior art and providing a chlorine nitrile aldehyde synthesis reaction waste gas alkali absorption device.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a chlorine nitrile aldehyde synthetic reaction waste gas alkali absorbing device, includes the casing, casing internal weld has the injection storehouse, the internal weld of injection storehouse has the plywood, the welding of plywood bottom has evenly distributed's shower nozzle, the jet orifice that has evenly distributed is opened to plywood top outer wall, the inside packing layer that is provided with in injection storehouse, there is the water pump casing top through bolted connection, there is the liquid suction pipe water inlet department of water pump through threaded connection, inside the bottom of liquid suction pipe runs through casing top outer wall and extends to the casing, there is the spray tube water outlet department of water pump through threaded connection, inside the bottom of spray tube runs through the casing in proper order and sprays storehouse top outer wall and extend to the injection storehouse, the bottom of spray tube is located the plywood top.
The key concept of the technical scheme is as follows: utilize the water pump to spout the inside alkaline solution of casing inside spraying the storehouse for the acid waste gas that produces of chlorine nitrile aldehyde synthetic reaction that gets into spraying the storehouse inside neutralizes, realizes that acid waste gas alkali absorption is efficient.
Further, the welding of one side outer wall of casing has the intake pipe, and the one end of intake pipe runs through casing one side outer wall and sprays the storehouse welding, the top outer wall of casing has centrifugal fan through bolted connection, the welding of one side outer wall of centrifugal fan has the outlet duct.
Furthermore, a liquid inlet pipe is welded on the outer wall of one side of the shell, and a liquid outlet pipe is welded on the outer wall of one side of the shell.
Further, the outer wall of the bottom of the shell is connected with two stirring shafts through bearings, the outer walls of the two stirring shafts are welded with stirring rods which are uniformly distributed, the bottom end of each stirring shaft penetrates through the inner wall of the bottom of the shell, belt pulleys are welded on the inner wall of the bottom of the shell, and the belt pulleys are connected through belt transmission.
Furthermore, the outer wall welding of the bottom of casing has evenly distributed's stabilizer blade, the welding has the bottom plate between the stabilizer blade, the bottom outer wall of bottom plate has the motor through bolted connection, the output shaft one end of motor runs through bottom plate bottom outer wall and welds with one of them belt pulley.
Furthermore, the outer wall of the bottom of the liquid suction pipe is connected with a filter screen through a bolt, and a cylindrical plug is inserted inside the liquid suction pipe.
Furthermore, the inside of cylinder stopper is opened there is the bell mouth, the inside ball that is provided with of bell mouth, the welding of the top outer wall of cylinder stopper has the limiting plate.
The utility model has the advantages that:
1. through the water pump and the injection storehouse that set up, utilize the water pump to spout the inside alkaline solution of casing in the injection storehouse inside for the acid waste gas that produces the inside chlorine nitrile aldehyde synthetic reaction of entering injection storehouse neutralizes, consequently realizes the high effect of acid waste gas alkali absorption efficiency.
2. Through water pump, liquid suction pipe and the spray tube that sets up, utilize water pump, liquid suction pipe and spray tube to make the inside alkaline solution of casing to cyclic utilization, consequently realized the efficient effect of alkaline solution utilization, and then practiced thrift alkaline solution.
3. Through motor, (mixing) shaft and the puddler that sets up, utilize the motor to drive the (mixing) shaft and rotate for the puddler carries out the intensive mixing to carrying out alkaline solution in that the casing is inside, and then makes the waste gas that flows out from the unloading pipe fully absorbed by alkaline solution once more, further realizes the efficient effect of acid waste gas absorption.
4. Through cylinder stopper, ball and the bell mouth that sets up, utilize cylinder stopper, ball and bell mouth to constitute a check valve for the work efficiency of the extraction alkaline solution of water pump obtains improving, and then has practiced thrift the electric energy, has consequently realized energy saving's effect.
Drawings
FIG. 1 is a schematic view of the overall structure of a waste gas alkali absorption device for the synthesis reaction of chloronitrile aldehyde provided by the present invention;
FIG. 2 is a schematic sectional view of an alkali absorption device for waste gas from the synthesis reaction of cyanohydrin;
FIG. 3 is a schematic diagram of the structure of a tapered hole of the waste gas alkali absorption device for the synthesis reaction of chloronitrile aldehyde provided by the present invention.
In the figure: the device comprises a shell 1, a spray bin 2, a layer plate 3, a spray hole 4, a spray head 5, a packing layer 6, a belt pulley 7, a blanking pipe 8, a centrifugal fan 9, an air outlet pipe 10, a water pump 11, a liquid suction pipe 12, a liquid spray pipe 13, an air inlet pipe 14, a liquid inlet pipe 15, a liquid outlet pipe 16, a support leg 17, a bottom plate 18, a motor 19, a stirring shaft 20, a stirring rod 21, a filter screen 22, a cylindrical plug 23, a conical hole 24, a ball 25 and a limiting plate 26.
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 to 3, the alkali absorption device for waste gas from chloral synthesis reaction comprises a shell 1, a cavity is arranged inside the shell 1, an alkaline solution for absorbing acidic waste gas is stored inside the shell 1, a spraying bin 2 is welded inside the shell 1, a laminate 3 is welded inside the spraying bin 2, the laminate 3 and the spraying bin 2 are welded in a seamless manner, spray heads 5 are welded at the bottom of the laminate 3, spray holes 4 are uniformly distributed on the outer wall of the top of the laminate 3, the spray holes 4 correspond to the spray heads 5, a packing layer 6 is arranged inside the spraying bin 2, so that waste gas can be absorbed again when passing through the alkaline solution on the packing layer 6, a water pump 11 is connected to the top of the shell 1 through bolts, the water pump 11 is CN-8300 in type, a water inlet of the water pump 11 is connected with a liquid pumping pipe 12 through threads, and the bottom end of the liquid pumping pipe 12 extends to the inside the shell, the water pump 11 passes through the liquid suction pipe 12 and extracts alkaline solution, and alkaline solution is NaOH, and there is spray pipe 13 water outlet department of water pump 11 through threaded connection, and inside casing 1 and the 2 top outer walls of injection storehouse extended to injection storehouse 2, the bottom of spray pipe 13 was located the 3 tops of plywood in proper order through the bottom of spray pipe 13, and it is inside to utilize spray pipe 13 to make water pump 11 carry alkaline solution into injection storehouse 2.
As can be seen from the above description, the present invention has the following advantages: through the water pump 11 and the injection bin 2 that set up, utilize water pump 11 to spout the inside alkaline solution of casing 1 in injection bin 2 is inside for the acid waste gas that gets into the inside chlorine nitrile aldehyde synthetic reaction of injection bin 2 and produce neutralizes, consequently realizes the high effect of acid waste gas alkali absorption efficiency.
Further, an air inlet pipe 14 is welded on the outer wall of one side of the shell 1, one end of the air inlet pipe 14 penetrates through the outer wall of one side of the shell 1 and is welded with the injection bin 2, waste gas enters the interior of the injection bin 2 through the air inlet pipe 14, the outer wall of the top of the shell 1 is connected with a centrifugal fan 9 through a bolt, the type of the centrifugal fan 9 is Y5-47, an air outlet pipe 10 is welded on the outer wall of one side of the centrifugal fan 9, and the waste gas absorbed by alkaline solution is discharged through the air outlet pipe 10 through the centrifugal.
Further, a liquid inlet pipe 15 is welded on the outer wall of one side of the shell 1, a liquid outlet pipe 16 is welded on the outer wall of one side of the shell 1, and the alkaline solution can be conveniently replaced through the liquid inlet pipe 15 and the liquid outlet pipe 16.
Further, 1 bottom outer wall of casing is connected with two (mixing) shafts 20 through the bearing, and the outer wall of two (mixing) shafts 20 all welds the puddler 21 of evenly distributed, and the bottom of two (mixing) shafts 20 is run through 1 bottom inner wall of casing and is all welded belt pulley 7, and two belt pulleys 7 pass through belt transmission and connect, and rotation through belt pulley 7 drives two (mixing) shafts 20 and rotates to make puddler 21 carry out the abundant reaction with the waste gas that comes out from unloading pipe 8 to the inside alkaline solution of casing 1.
Furthermore, the outer wall of the bottom of the shell 1 is welded with evenly distributed support legs 17, a bottom plate 18 is welded between the support legs 17, the outer wall of the bottom plate 18 is connected with a motor 19 through bolts, the model of the motor 19 is YL8S-2, one end of an output shaft of the motor 19 penetrates through the outer wall of the bottom plate 18 and is welded with one belt pulley 7, and the belt pulley 7 is driven to rotate by the rotation of the motor 19.
Further, there is filter screen 22 bottom outer wall of liquid suction pipe 12 through bolted connection, utilizes filter screen 22 to filter the inside impurity of alkaline solution, and liquid suction pipe 12 is inside to be pegged graft and to have cylinder stopper 23, and cylinder stopper 23 is interference fit with liquid suction pipe 12.
Furthermore, the inside of cylinder stopper 23 is opened there is bell mouth 24, and bell mouth 24 is the through-hole, and bell mouth 24 is inside to be provided with ball 25, and ball 25 adopts ceramic to make, and the welding of the top outer wall of cylinder stopper 23 has limiting plate 26, utilizes limiting plate 26 to prevent ball 25 and bell mouth 24 to break away from, utilizes ball 25 to place inside bell mouth 24, makes it to become the check valve, can improve the work effect that water pump 11 extracted alkaline solution, and then the electric energy of saving.
Through motor 19, (mixing) shaft 20 and the puddler 21 that sets up, utilize motor 19 to drive (mixing) shaft 20 and rotate for puddler 21 carries out the intensive mixing to carrying out alkaline solution in that casing 1 is inside, and then makes the waste gas that flows out from unloading pipe 8 fully absorbed by alkaline solution once more, further realizes the efficient effect of acid waste gas absorption.
In the following, some preferred embodiments or application examples are listed to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention to the prior art:
example 1
A chlorine nitrile aldehyde synthetic reaction waste gas alkali absorption device comprises a shell 1, a cavity is arranged inside the shell 1, alkaline solution for absorbing acid waste gas is stored inside the shell 1, a spraying bin 2 is welded inside the shell 1, a layer plate 3 is welded inside the spraying bin 2, the layer plate 3 and the spraying bin 2 are welded in a seamless mode, spray heads 5 which are evenly distributed are welded at the bottom of the layer plate 3, spray holes 4 which are evenly distributed are formed in the outer wall of the top of the layer plate 3, the spray holes 4 correspond to the spray heads 5, a packing layer 6 is arranged inside the spraying bin 2, waste gas can be absorbed again when passing through the alkaline solution on the packing layer 6, a water pump 11 is connected to the top of the shell 1 through bolts, the type of the water pump 11 is CN-8300, a water inlet of the water pump 11 is connected with a liquid pumping pipe 12 through threads, and the bottom end of the liquid, the water pump 11 extracts alkaline solution through the liquid suction pipe 12, and there is a spray pipe 13 in the delivery port department of water pump 11 through threaded connection, and inside casing 1 and the 2 top outer walls of injection storehouse were run through in proper order to the bottom of spray pipe 13 and extended to injection storehouse 2, the bottom of spray pipe 13 was located the 3 tops of plywood, and it is inside to utilize spray pipe 13 to make water pump 11 carry alkaline solution into injection storehouse 2.
The exhaust gas purification device comprises a shell 1, an exhaust gas inlet pipe 14, a centrifugal fan 9, an air outlet pipe 10, an alkaline solution and an exhaust pipe 10, wherein the air inlet pipe 14 is welded on the outer wall of one side of the shell 1, one end of the air inlet pipe 14 penetrates through the outer wall of one side of the shell 1 and is welded with an injection bin 2, waste gas enters the injection bin 2 through the air inlet pipe 14, the outer wall of the top of the shell 1 is connected with the centrifugal fan 9 through a bolt, the type of the centrifugal fan 9 is Y5-47, the air outlet pipe; a liquid inlet pipe 15 is welded on the outer wall of one side of the shell 1, a liquid outlet pipe 16 is welded on the outer wall of one side of the shell 1, and the alkaline solution is convenient to replace through the liquid inlet pipe 15 and the liquid outlet pipe 16; the outer wall of the bottom of the shell 1 is connected with two stirring shafts 20 through bearings, the outer walls of the two stirring shafts 20 are welded with stirring rods 21 which are uniformly distributed, the bottom ends of the two stirring shafts 20 penetrate through the inner wall of the bottom of the shell 1 and are welded with belt pulleys 7, the two belt pulleys 7 are connected through belt transmission, and the two stirring shafts 20 are driven to rotate through the rotation of the belt pulleys 7, so that the stirring rods 21 can fully react alkaline solution in the shell 1 with waste gas discharged from the discharging pipe 8; the bottom outer wall of the shell 1 is welded with evenly distributed support legs 17, a bottom plate 18 is welded between the support legs 17, the bottom outer wall of the bottom plate 18 is connected with a motor 19 through bolts, the model of the motor 19 is YL8S-2, one end of an output shaft of the motor 19 penetrates through the bottom outer wall of the bottom plate 18 and is welded with one belt pulley 7, and the belt pulley 7 is driven to rotate by the rotation of the motor 19; the outer wall of the bottom of the liquid extracting pipe 12 is connected with a filter screen 22 through a bolt, impurities in the alkaline solution are filtered by the filter screen 22, a cylindrical plug 23 is inserted into the liquid extracting pipe 12, and the cylindrical plug 23 is in interference fit with the liquid extracting pipe 12; the inside of cylinder stopper 23 is opened there is bell mouth 24, and bell mouth 24 is the through-hole, and bell mouth 24 is inside to be provided with ball 25, and ball 25 adopts ceramic to make, and the welding of the top outer wall of cylinder stopper 23 has limiting plate 26, utilizes limiting plate 26 to prevent ball 25 and bell mouth 24 to break away from, utilizes ball 25 to place inside bell mouth 24, makes it to become the check valve, can improve the work effect that water pump 11 extracted alkaline solution, and then the electric energy of saving.
The working principle is as follows: when in use, alkaline solution is injected into the shell 1 through the liquid inlet pipe 15, so that the alkaline solution submerges the bottom of the blanking pipe 8, high-pressure waste gas enters the spraying bin 2 through the air inlet pipe 14, when the water pump 11 works, the alkaline solution enters the liquid spraying pipe 13 through the liquid pumping pipe 12 and then enters the laminated plate 3 in the spraying bin 2 through the liquid spraying pipe 13, the alkaline solution is sprayed out through the spray holes 4 by the spray head 5, acid waste gas introduced into the injection bin 2 is neutralized, then the waste gas and alkaline solution pass through the packing layer 6 and then enter the alkaline solution through the blanking pipe 8, the stirring shaft 20 is driven by the motor 19 to rotate through the belt pulley 7 when the motor works, so that the stirring rod 21 on the stirring shaft 20 fully stirs the alkaline solution, and then the waste gas and the alkaline solution are fully reacted again, and the reacted waste gas is discharged out of the gas outlet pipe 10 through the centrifugal fan 9.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a chlorine nitrile aldehyde synthetic reaction waste gas alkali absorbing device, includes casing (1), its characterized in that, casing (1) internal weld has injection storehouse (2), injection storehouse (2) internal weld has plywood (3), plywood (3) bottom welding has evenly distributed's shower nozzle (5), plywood (3) top outer wall is opened has evenly distributed's jet orifice (4), the inside packing layer (6) that is provided with of injection storehouse (2), there is water pump (11) casing (1) top through bolted connection, there is liquid suction pipe (12) water inlet department of water pump (11) through threaded connection, the bottom of liquid suction pipe (12) runs through casing (1) top outer wall and extends to inside casing (1), there is liquid spray pipe (13) water outlet department of water pump (11) through threaded connection, the bottom of liquid spray pipe (13) runs through casing (1) and injection storehouse (2) top outer wall in proper order and extends to inside injection storehouse (2), the bottom end of the liquid spraying pipe (13) is positioned at the top of the layer plate (3).
2. The alkali absorption device for waste gas generated in synthesis reaction of chloronitrile aldehyde according to claim 1, wherein an air inlet pipe (14) is welded to the outer wall of one side of the casing (1), one end of the air inlet pipe (14) penetrates through the outer wall of one side of the casing (1) and is welded to the injection bin (2), the outer wall of the top of the casing (1) is connected with a centrifugal fan (9) through a bolt, and an air outlet pipe (10) is welded to the outer wall of one side of the centrifugal fan (9).
3. The waste gas alkali absorption device for the chloro-nitrile-aldehyde synthesis reaction according to claim 1, wherein a liquid inlet pipe (15) is welded on the outer wall of one side of the shell (1), and a liquid outlet pipe (16) is welded on the outer wall of one side of the shell (1).
4. The alkali absorption device for waste gas generated in the synthesis reaction of chloronitrile aldehyde according to claim 1, wherein the outer wall of the bottom of the shell (1) is connected with two stirring shafts (20) through bearings, the outer walls of the two stirring shafts (20) are welded with uniformly distributed stirring rods (21), the bottom ends of the two stirring shafts (20) penetrate through the inner wall of the bottom of the shell (1) and are welded with belt pulleys (7), and the two belt pulleys (7) are connected through belt transmission.
5. The alkali absorption device for waste gas generated in synthesis reaction of chloronitrile aldehyde according to claim 4, wherein the outer wall of the bottom of the housing (1) is welded with evenly distributed support legs (17), a bottom plate (18) is welded between the support legs (17), the outer wall of the bottom plate (18) is connected with a motor (19) through bolts, and one end of an output shaft of the motor (19) penetrates through the outer wall of the bottom plate (18) and is welded with one of the pulleys (7).
6. The alkali absorption device for waste gas generated in chloranil aldehyde synthesis reaction according to claim 1, wherein the outer wall of the bottom of the liquid extraction pipe (12) is connected with a filter screen (22) through a bolt, and a cylindrical plug (23) is inserted into the liquid extraction pipe (12).
7. The alkali absorption device for waste gas generated in synthesis reaction of chloronitrile aldehyde according to claim 6, wherein the cylindrical plug (23) is internally provided with a tapered hole (24), the tapered hole (24) is internally provided with a ball (25), and the top outer wall of the cylindrical plug (23) is welded with a limiting plate (26).
CN202021227627.8U 2020-06-29 2020-06-29 Chlorine nitrile aldehyde synthetic reaction waste gas alkali absorbing device Active CN212855267U (en)

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Application Number Priority Date Filing Date Title
CN202021227627.8U CN212855267U (en) 2020-06-29 2020-06-29 Chlorine nitrile aldehyde synthetic reaction waste gas alkali absorbing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021227627.8U CN212855267U (en) 2020-06-29 2020-06-29 Chlorine nitrile aldehyde synthetic reaction waste gas alkali absorbing device

Publications (1)

Publication Number Publication Date
CN212855267U true CN212855267U (en) 2021-04-02

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CN202021227627.8U Active CN212855267U (en) 2020-06-29 2020-06-29 Chlorine nitrile aldehyde synthetic reaction waste gas alkali absorbing device

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