Two-stage ammonia gas absorption treatment device for phenylethylamine production

Abstract

The utility model discloses a two-stage ammonia gas absorption treatment device for phenylethylamine production, which belongs to the technical field of ammonia gas treatment, and comprises a reaction unit, an injection unit and an auxiliary unit, the reaction unit comprises a treatment tank, a discharge pipe penetrating through the treatment tank and arranged at the bottom, and a gas guide hole arranged on one side of the treatment tank, an air inlet guide pipe is arranged at the end, away from the air guide hole, of the treatment tank, the auxiliary unit comprises a driving motor arranged at one end of the air inlet guide pipe, and an insertion hole is formed in the end, close to the driving motor, of the air inlet guide pipe; one end, facing the insertion hole, of the driving motor is provided with a driving shaft located in the gas inlet guide pipe, fan blades are arranged on the outer wall of the driving shaft, the same end of the gas inlet guide pipe and the driving motor is provided with a gas inlet pipe penetrating through one side of the gas inlet guide pipe, and the ammonia gas treatment device has the advantage that ammonia gas can be better treated.

Description

TECHNICAL FIELD

[0001] The utility model relates to ammonia gas treatment technical field, concretely is a two -stage ammonia gas absorption treatment device for phenethylamine production. BACKGROUND

[0002] Phenethylamine (PEA), also known as beta-phenethylamine or 2-phenethylamine, has a molecular formula of C8H11N. It is a kind of alkaloid and monoamine neurotransmitter, which can increase the level of dopamine in extracellular fluid and inhibit dopamine nerve activation to treat depression.

[0003] The phenethylamine produces ammonia gas during production. Ammonia gas is a colorless gas with strong irritating odor and is a harmful gas. In addition to the risk of combustion and explosion, ammonia gas inhalation can cause acute poisoning, such as tearing, sore throat, hoarse voice, eye conjunctiva or pharyngeal congestion and edema, bronchitis, dyspnea, pneumonia, coma, etc. Therefore, ammonia-containing tail gas needs to be deaminated.

[0004] The existing ammonia removal device cannot effectively absorb ammonia gas, which causes ammonia gas to be discharged into the atmosphere, polluting the environment and endangering human and animal life.

[0005] Therefore, it is necessary to provide a device that can better treat ammonia gas. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a two-stage ammonia gas absorption treatment device for phenethylamine production to at least partially solve the above technical problems and to treat ammonia gas more fully.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a reaction unit, an injection unit and an auxiliary unit are included. The reaction unit includes a treatment tank, a discharge pipe passing through the treatment tank and arranged at the bottom, a gas guide hole arranged at one side of the treatment tank, and an air inlet guide pipe arranged at one end of the treatment tank away from the gas guide hole;

[0008] The injection unit includes an injection pipe passing through the treatment tank and arranged at the top. A liquid guide pipe is fixedly installed at the top of the injection pipe. A liquid guide block is fixedly installed at the bottom of the injection pipe. A plurality of through holes are arranged at the top of the liquid guide block. A circular positioning hole is arranged at the bottom of the liquid guide block. A rotating motor is fixedly installed inside the positioning hole. A rotating shaft is arranged at the bottom of the rotating motor. A liquid distribution block is fixedly installed at the bottom of the rotating shaft and does not contact the liquid guide block. A plurality of liquid distribution holes are arranged through the outer wall of the liquid distribution block.

[0009] The auxiliary unit comprises a driving motor arranged at one end of the air inlet pipe, an insertion hole is formed at the end of the air inlet pipe close to the driving motor, the driving motor is provided with a driving shaft inside the air inlet pipe towards the end of the insertion hole, a fan blade is arranged on the outer wall of the driving shaft, and the air inlet pipe is provided with an air inlet pipe passing through one side of the air inlet pipe at the same end as the driving motor.

[0010] Preferably, the treatment tank and the air inlet pipe are both provided with through holes, and the through hole of the treatment tank is connected with the through hole of the air inlet pipe.

[0011] Preferably, the injection pipes are four, the four injection pipes are arranged and installed uniformly at the top of the treatment tank, the four injection pipes are inserted into the interior of the treatment tank, and the top of the four injection pipes is connected with the liquid guide pipe.

[0012] Preferably, one end of the liquid guide pipe is provided with an opening for injection of the dilute acid liquid, and the other end of the liquid guide pipe is provided with a sealing.

[0013] Preferably, the liquid guide block and the liquid distribution block are both circular, the upper surface area of the liquid guide block is smaller than the upper surface area of the liquid distribution block, and the liquid distribution block is directly below the liquid guide block.

[0014] Preferably, the liquid distribution block is circular and concave, and the rotating motor drives the liquid distribution block to rotate through the rotating shaft.

[0015] Preferably, the injection units are arranged uniformly on the treatment tank.

[0016] Preferably, the air inlet pipe is L-shaped.

[0017] Preferably, the air inlet pipe is provided with four air inlet pipes on the air inlet pipe.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0019] When the utility model is used, ammonia gas is injected into the air inlet pipe through the air inlet pipe, the fan blade is driven to rotate by the driving motor, the ammonia gas is blown into the treatment tank, the dilute acid liquid is injected through the liquid guide pipe, the dilute acid liquid enters the liquid guide blocks through the injection pipes, falls into the liquid distribution blocks through the through holes, the rotating motor drives the rotating shaft to rotate, further drives the liquid distribution blocks to rotate, under the action of centrifugal force, the liquid in the liquid distribution blocks is thrown out through the liquid distribution holes, fully contacts and reacts with the ammonia gas in the treatment tank, and the ammonia gas can be better treated. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings described in the following description are only some embodiments of the present application, and for the ordinary skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0021] Figure 1 It is a top view schematic diagram of the overall structure of the embodiment;

[0022] Figure 2 It is a perspective view schematic diagram of the overall structure of the embodiment;

[0023] Figure 3 It is a sectional view schematic diagram of the processing tank structure of the embodiment;

[0024] Figure 4 It is an enlarged schematic diagram of the structure at A of the embodiment;

[0025] Figure 5 It is a sectional view schematic diagram of the gas inlet pipeline structure of the embodiment;

[0026] Figure 6 It is another view schematic diagram of the gas inlet pipeline structure of the embodiment.

[0027] In the drawings, the component list represented by each sign is as follows:

[0028] 100, reaction unit; 110, processing tank; 120, discharge pipe; 130, gas guide hole; 140, gas inlet guide pipe; 141, insertion hole;

[0029] 200, injection unit; 210, injection pipe; 220, liquid guide pipe; 230, liquid guide block; 231, through hole; 232, positioning hole; 2321, rotating motor; 23211, rotating shaft; 240, liquid distribution block; 241, liquid distribution hole;

[0030] 300, auxiliary unit; 310, driving motor; 311, driving shaft; 320, fan blade; 330, gas inlet pipe. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the present application will be described clearly and completely in the following by combining with the drawings in the embodiments of the present application, obviously, the described embodiments are only some embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the present application.

[0032] Please refer to Figures 1-6The utility model provides a technical scheme: a two-stage ammonia gas absorption treatment device for phenethylamine production, including reaction unit 100, injection unit 200 and auxiliary unit 300, reaction unit 100 includes treatment tank 110, passes through treatment tank 110 and is arranged in the bottom discharge pipe 120, can discharge the liquid in treatment tank 110 through discharge pipe 120, the gas guide hole 130 of one side of treatment tank 110, the gas guide hole 130 can be further connected with other devices and is discharged after filtering gas, the air inlet guide pipe 140 is arranged in the end away from the gas guide hole 130 of treatment tank 110, the air inlet guide pipe 140 is L type setting, the inside of treatment tank 110 and air inlet guide pipe 140 is all through hole setting, and the through hole of treatment tank 110 and air inlet guide pipe 140 is connected, and the through hole setting of treatment tank 110 and air inlet guide pipe 140 makes ammonia gas can circulate, and the L type setting of air inlet guide pipe 140 can prevent gas from colliding straightly, reduces the reflux of gas.

[0033] Referring to Figure 1 and Figure 6 In a preferred embodiment, the injection unit 200 is uniformly arranged on the treatment tank 110, and the injection unit 200 includes an injection pipe 210 arranged through the treatment tank 110 at the top, a liquid guide pipe 220 fixedly installed at the top of the injection pipe 210, one end of the liquid guide pipe 220 is open to inject the dilute acid liquid, and the other end of the liquid guide pipe 220 is sealed.

[0034] The dilute acid liquid can be guided to each injection pipe 210 through the liquid guide pipe 220 and flow downward into the treatment tank 110, and the liquid guide pipe 220 only flows downward from the injection pipe 210 and does not flow out from the other end of the liquid guide pipe 220, preventing the dilute acid liquid from leaking out.

[0035] Referring to Figure 1 、 Figure 2 and Figure 6 In a further preferred embodiment, the injection pipe 210 has four, and the four injection pipes 210 are uniformly arranged and installed at the top of the treatment tank 110, the four injection pipes 210 are inserted into the interior of the treatment tank 110, and the top of the four injection pipes 210 is connected with the liquid guide pipe 220.

[0036] The setting of the liquid guide pipe 220 can inject the dilute acid liquid through the four injection pipes 210 in sequence, and then inject downward through the injection pipe 210.

[0037] Referring to Figure 3 and Figure 4 In a further preferred embodiment, the bottom of the injection pipe 210 is fixedly installed with a liquid guide block 230, and the top of the liquid guide block 230 is provided with a plurality of through holes 231.

[0038] Through the through hole 231, the liquid on the liquid guide block 230 can flow downward.

[0039] The bottom of the liquid guide block 230 is provided with a circular positioning hole 232, and a rotating motor 2321 is fixedly installed inside the positioning hole 232. The bottom of the rotating motor 2321 is provided with a rotating shaft 23211, and the bottom of the rotating shaft 23211 is fixedly installed with a liquid distribution block 240 which does not contact the liquid guide block 230.

[0040] The rotating motor 2321 can be installed in the positioning hole 232, and the contact with the dilute acid liquid is reduced. The liquid distribution block 240 is driven to rotate by the rotating motor 2321 and the rotating shaft 23211, and the liquid distribution block 240 and the liquid guide block 230 do not collide and rub, preventing the normal use from being affected.

[0041] The liquid guide block 230 and the liquid distribution block 240 are both circularly arranged. The upper surface area of the liquid guide block 230 is smaller than that of the liquid distribution block 240. The liquid distribution block 240 is directly below the liquid guide block 230, and the liquid distribution block 240 is circularly concave.

[0042] The circular concave arrangement of the liquid distribution block 240 can store the dilute acid liquid therein, preventing the dilute acid liquid from flowing out completely and causing excessive liquid accumulation and insufficient contact with ammonia gas.

[0043] The rotating motor 2321 drives the liquid distribution block 240 to rotate through the rotating shaft 23211. The outer wall of the liquid distribution block 240 is provided with a plurality of liquid distribution holes 241. The liquid distribution block 240 is driven to rotate by the rotating motor 2321 and the rotating shaft 23211. Under the action of centrifugal force, the dilute acid liquid can be thrown out of the liquid distribution hole 241, further enabling the thrown dilute acid liquid to fully contact and react with the ammonia gas floating inside the treatment tank 110.

[0044] Referring to Figure 2 , Figure 5 and Figure 6 , in a further preferred embodiment, the auxiliary unit 300 includes a driving motor 310 arranged at one end of the air inlet pipe 140. The air inlet pipe 140 is provided with an insertion hole 141 at the end near the driving motor 310. The driving motor 310 is provided with a driving shaft 311 inside the air inlet pipe 140 towards the end of the insertion hole 141. The outer wall of the driving shaft 311 is provided with a fan blade 320. The air inlet pipe 140 is provided with an air inlet pipe 330 passing through one side of the air inlet pipe 140 at the same end as the driving motor 310. The air inlet pipe 330 has four air inlet pipes 330 arranged on the air inlet pipe 140.

[0045] The number of ammonia injection connection and displacement is selected by four air inlet pipes 330, the output pipe connection and sealing are connected according to the requirement in use, the fan blade 320 is driven to rotate through the driving motor 310 and the driving shaft 311, the blowing is further carried out through the fan blade 320, the ammonia gas is blown to the treatment tank 110 through the wind, and the ammonia gas is reacted with the dilute acid liquid therein.

[0046] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0047] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connection" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements or the interaction relationship of two elements, unless otherwise explicitly limited, the above-mentioned terms in the utility model can be understood according to the specific meaning in the utility model by the person skilled in the art according to the specific situation.

[0048] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A two-stage ammonia absorption and treatment device for phenylethylamine production, comprising a reaction unit (100), an injection unit (200), and an auxiliary unit (300), characterized in that: The reaction unit (100) includes a processing tank (110), an exhaust pipe (120) passing through the processing tank (110) and disposed at the bottom, an air guide hole (130) disposed on one side of the processing tank (110), and an air inlet pipe (140) disposed at one end of the processing tank (110) away from the air guide hole (130). The injection unit (200) includes an injection pipe (210) that passes through the processing tank (110) and is located at the top. A liquid guide pipe (220) is fixedly installed at the top of the injection pipe (210), and a liquid guide block (230) is fixedly installed at the bottom of the injection pipe (210). The top of the liquid guide block (230) is provided with several through holes (231), and the bottom of the liquid guide block (230) is provided with a circular positioning hole (232). A rotating motor (2321) is fixedly installed inside the positioning hole (232), and a rotating shaft (23211) is provided at the bottom of the rotating motor (23211). A liquid distribution block (240) that does not contact the liquid guide block (230) is fixedly installed at the bottom of the rotating shaft (23211), and several liquid distribution holes (241) are provided through the outer wall of the liquid distribution block (240). The auxiliary unit (300) includes a drive motor (310) disposed at one end of the air intake duct (140). An insertion hole (141) is provided at one end of the air intake duct (140) near the drive motor (310). A drive shaft (311) is provided at one end of the drive motor (310) facing the insertion hole (141) and is located inside the air intake duct (140). A fan blade (320) is provided on the outer wall of the drive shaft (311). An air intake pipe (330) is provided at the same end of the air intake duct (140) and the drive motor (310) and passes through one side of the air intake duct (140).

2. The two-stage ammonia absorption and treatment device for phenylethylamine production according to claim 1, characterized in that: Both the processing tank (110) and the air intake duct (140) have through holes inside, and the processing tank (110) is connected to the through hole of the air intake duct (140).

3. A two-stage ammonia absorption and treatment device for phenylethylamine production according to claim 1, characterized in that: There are four injection tubes (210), which are evenly arranged on the top of the treatment tank (110). All four injection tubes (210) are inserted into the interior of the treatment tank (110), and the top of each of the four injection tubes (210) is connected to the liquid guide tube (220).

4. A two-stage ammonia absorption and treatment device for phenylethylamine production according to claim 3, characterized in that: One end of the liquid guide tube (220) is open for injecting dilute acid liquid, and the other end of the liquid guide tube (220) is sealed.

5. A two-stage ammonia absorption and treatment device for phenylethylamine production according to claim 1, characterized in that: Both the liquid guiding block (230) and the liquid distributing block (240) are circular. The upper surface area of ​​the liquid guiding block (230) is smaller than that of the liquid distributing block (240), and the liquid distributing block (240) is located directly below the liquid guiding block (230).

6. A two-stage ammonia absorption and treatment device for phenylethylamine production according to claim 5, characterized in that: The liquid distribution block (240) is arranged in a circular concave shape, and the rotating motor (2321) drives the liquid distribution block (240) to rotate through the rotating shaft (23211).

7. A two-stage ammonia absorption and treatment device for phenylethylamine production according to claim 1, characterized in that: The injection units (200) are evenly arranged on the processing tank (110).

8. A two-stage ammonia absorption and treatment device for phenylethylamine production according to claim 1, characterized in that: The air intake duct (140) is L-shaped.

9. A two-stage ammonia absorption and treatment device for phenylethylamine production according to claim 1, characterized in that: Four intake pipes (330) are provided on the intake duct (140).

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