Device for separating water from mixture at outlet of methylacrolein synthesis reactor

Abstract

The utility model relates to the field of water separation devices, in particular to a methylacrolein synthesis reactor outlet mixture water separation device which comprises an air inlet pipeline, a connecting assembly, a dispersing assembly, a quench tower, an exhaust assembly, a quench assembly, a circulation assembly and a protection assembly. The dispersing assembly is arranged at the other end of the air inlet pipeline and is in through connection with the quench tower, the exhaust assembly is arranged at the top end of the quench tower, the quench assembly is arranged in the quench tower, the circulation assembly is arranged below the quench tower and is connected with the quench assembly, and the protection assembly is arranged in the quench tower; according to the utility model, the dispersing structure is arranged to disperse the mixture gas of the products, so that the contact area between the products and quenched water is increased, and the efficiency and effect of separating water from the required products are improved.

Description

Technical Field

[0001] The utility model relates to the field of water separation devices, in particular to a water separation device for a mixture at an outlet of a methacrolein synthesis reactor. Background Art

[0002] Methacrolein is an organic compound, also known as formaldehyde, with the chemical formula CH2O; it is a colorless gas that is widely present in nature; methacrolein has a pungent odor and is often used for disinfection and antiseptic treatment; it is also an important raw material for many chemical products, such as plastics, textiles and coatings; in addition, methacrolein is also often used in the medical field and plays a role in drug production and research; since methacrolein is toxic to the human body, it needs to be used with caution and appropriate safety measures must be maintained. During the synthesis of methacrolein, the oxidation reaction in the reactor is carried out in the form of gas, and the mixture after the reaction enters the distillation tower for separation; however, since the mixture still contains a large amount of by-product water, it has a high latent heat of vaporization, which leads to an increase in the distillation cost, so it is necessary to separate and remove the water in the synthetic product; when synthesizing methacrolein, when purifying the product, the product is passed into a quenching tower to separate the water therein from the desired reactants, the cooling time of the product in the quenching tower is short, and the product is not fully in contact with the quenching water in the quenching tower, resulting in incomplete and incomplete water separation, which affects the next step of processing. Utility Model Content

[0003] In order to overcome the problem that when methyl acrolein is synthesized and the product is purified, the product is passed into a quenching tower to separate the water therein from the desired reactants, the cooling time of the product in the quenching tower is short, and the product is not fully in contact with the quenching water in the quenching tower, resulting in incomplete and incomplete water separation, which affects the next step of processing.

[0004] The technical scheme of the utility model is: a device for separating water from a mixture at an outlet of a methacrolein synthesis reactor, comprising an air intake pipeline, a connecting component, a dispersing component, a quenching tower, an exhaust component, a quenching component, a circulation component and a protection component, wherein the connecting component is arranged at one end of the air intake pipeline, the dispersing component is arranged at the other end of the air intake pipeline, the dispersing component is connected with the quenching tower through, the exhaust component is arranged at the top of the quenching tower, the quenching component is arranged inside the quenching tower, the circulation component is arranged below the quenching tower, the circulation component is connected with the quenching component, and the protection component is arranged inside the quenching tower.

[0005] Preferably, by providing an air inlet pipe, the mixed gas can be transported to the interior of the quenching tower, by providing a connecting component, the external pipe can be connected to the air inlet pipe, by providing a dispersion component, the mixed gas can be dispersed to increase the water removal efficiency, by providing an exhaust component, the mixture after water is removed can be discharged, by providing a quenching component, it can cooperate with the quenching tower to liquefy the water in the mixed gas and achieve water separation, by providing a circulation component, the circulation of quenching water can be achieved, and by providing a protective component, the inner wall of the quenching tower can be protected.

[0006] Preferably, the connecting assembly includes a connecting flange, a positioning rod and a sealing cylinder. The connecting flange is fixedly connected to one end of the air intake pipe, the positioning rod is arranged on one side of the connecting flange, the sealing cylinder is arranged on the outside of the connecting flange, and the sealing cylinder is fixedly connected to the connecting flange. When in use, the external pipe can be connected to the air intake pipe by setting the connecting flange, thereby realizing the transportation of the mixed gas. By setting the positioning rod, the flange can be positioned when the external pipe is connected to the air intake pipe by using the flange, which is convenient for installation. By setting the sealing cylinder, the connecting flange can be protected to prevent leakage of the mixed gas.

[0007] Preferably, the dispersion component includes a connecting bin, an installation bin and a dispersion pipe. The connecting bin is arranged at one end of the air inlet pipe, the connecting bin is through-connected with the air inlet pipe, the installation bin is arranged at one end of the connecting bin, the dispersion pipes are arranged in multiple groups, the dispersion pipes are arranged inside the installation bin, one end of the dispersion pipes is through-connected with the connecting bin, and the other end of the dispersion pipes is through-connected with the quenching tower. When in use, the dispersion pipes can be installed and fixed by setting the connecting bin, and the dispersion pipes can be connected to the air inlet pipe. The dispersion pipes can be protected by setting the installation bin. The mixed gas can be dispersed and transported to the inside of the quenching tower by setting the dispersion pipes, thereby increasing the surface area of ​​the mixed gas, so that it is cooled under the action of the quenching component, so that the water in the mixed gas is liquefied, the water separation is achieved, and the efficiency and effect of water separation are increased.

[0008] Preferably, the exhaust assembly includes an exhaust pipe and a valve, one end of the exhaust pipe is connected to the top surface of the quenching tower, and the valve is arranged on the exhaust pipe. When in use, the mixed gas after separation of water can be discharged by setting the exhaust pipe, and the opening and closing of the exhaust pipe can be controlled by setting the valve.

[0009] Preferably, the quenching component includes an atomizing nozzle, a connecting pipe and a pressure pump. The atomizing nozzles are arranged in multiple groups. The atomizing nozzles are arranged on the inner side wall of the quenching tower. One end of the connecting pipe is connected to the atomizing nozzle. The pressure pump is arranged on the connecting pipe. When in use, the quenching water can be atomized by arranging the atomizing nozzle, so that the quenching water can be used to quench the mixed gas. By arranging the connecting pipe, the quenching water can be transported to the atomizing nozzle under the action of the pressure pump.

[0010] Preferably, the circulation component includes a water storage tray, a delivery pipe, a cooling box and a chiller. The water storage tray is arranged on the inner bottom surface of the quenching tower, the cooling box is arranged below the quenching tower, one end of the delivery pipe is through-connected with the bottom surface of the water storage tray, the other end of the delivery pipe is through-connected with the cooling box, the refrigeration end of the cooling machine is arranged inside the cooling box, the heat dissipation end of the cooling machine is arranged on one side of the cooling box, and the other end of the connecting pipe is through-connected with the cooling box. When in use, the quenching water can be collected and stored by arranging the water storage tray, the quenching water can be transported to the inside of the cooling box by arranging the delivery pipe, and the quenching water can be cooled by arranging the chiller, so as to provide the atomizing nozzle with continuously cooled quenching water.

[0011] Preferably, the protection component includes a water tank, a pumping pipe, a water pump and a guide ring. The water tank is arranged on the top surface of the quenching tower. One end of the pumping pipe is connected with the water storage tray, and the other end of the pumping pipe is connected with the water tank. The pumping pump is arranged on the pumping pipe. The guide ring is arranged on the inner top surface of the quenching tower. The guide ring is connected with the water tank. A water outlet gap is opened on the bottom surface of the guide ring. When in use, water can be stored by setting up the water tank. By setting up the pumping pipe, the water in the water storage tray can be transported to the inside of the water tank under the action of the pump. By setting up the guide ring, the water stored in the water tank can form a water film on the inner wall of the quenching tower under the action of gravity, thereby protecting the inner wall of the quenching tower.

[0012] Beneficial effects of the utility model:

[0013] 1. Compared with the prior art, when methyl acrolein is synthesized and the product is purified, the product is passed into a quenching tower to separate the water therein from the desired reactants. The cooling time of the product in the quenching tower is short, and the product is not in full contact with the quenching water in the quenching tower, resulting in incomplete water separation, which affects the next step of processing. The separation device is provided with a dispersion structure to disperse the mixed gas of the product, increase the contact area between the product and the quenching water, and thus increase the efficiency and effect of separating water from the desired product;

[0014] 2. The dispersed pipeline can be installed and fixed by setting the connection chamber, and the dispersed pipeline can be connected to the air inlet pipeline. The dispersed pipeline can be protected by setting the installation chamber. The mixed gas can be dispersed and transported to the inside of the quenching tower by setting the dispersed pipeline, thereby increasing the surface area of ​​the mixed gas, so that the mixed gas is cooled under the action of the quenching component, so that the water in the mixed gas is liquefied, the water is separated, and the efficiency and effect of water separation are increased;

[0015] 3. Water can be stored by setting up a water storage tank. By setting up a pumping pipe, the water in the water storage tray can be transported to the inside of the water storage tank under the action of a pump. By setting up a guide ring, the water stored in the water storage tank can form a water film on the inner wall of the quenching tower under the action of gravity, thereby protecting the inner wall of the quenching tower. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The three-dimensional structure schematic diagram of the device for separating water from the mixture at the outlet of the methacrolein synthesis reactor of the utility model is shown;

[0017] Figure 2 The figure shows a side perspective structural diagram of a device for separating water from a mixture at an outlet of a methacrolein synthesis reactor of the utility model;

[0018] Figure 3 What is shown is a schematic diagram of the cross-sectional three-dimensional structure of the device for separating water from the mixture at the outlet of the methacrolein synthesis reactor of the utility model;

[0019] Figure 4 Display-based Figure 3 A schematic diagram of the enlarged structure in the middle circle;

[0020] Explanation of the reference numerals: 1. Inlet pipe; 2. Connecting assembly; 3. Dispersion assembly; 4. Rapid cooling tower; 5. Exhaust assembly; 6. Rapid cooling assembly; 7. Circulation assembly; 8. Protection assembly; 201. Connecting flange; 202. Positioning rod; 203. Sealing cylinder; 301. Connecting bin; 302. Mounting bin; 303. Dispersion pipe; 501. Exhaust pipe; 502. Valve; 601. Atomizing nozzle; 602. Connecting pipe; 603. Pressure pump; 701. Water storage tray; 702. Delivery pipe; 703. Cooling box; 704. Cooling machine; 801. Water storage tank; 802. Pumping pipe; 803. Pumping pump; 804. Guide ring. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1The utility model provides an embodiment: a device for separating water from a mixture at an outlet of a methacrolein synthesis reactor, comprising an air intake pipe 1, a connecting component 2, a dispersing component 3, a quenching tower 4, an exhaust component 5, a quenching component 6, a circulation component 7 and a protection component 8, wherein the connecting component 2 is arranged at one end of the air intake pipe 1, the dispersing component 3 is arranged at the other end of the air intake pipe 1, the dispersing component 3 is connected with the quenching tower 4, the exhaust component 5 is arranged at the top of the quenching tower 4, the quenching component 6 is arranged inside the quenching tower 4, the circulation component 7 is arranged below the quenching tower 4, the circulation component 7 is connected to the quenching component 6, and the protection component 8 is arranged inside the quenching tower 4.

[0023] See also Figure 2-3 In this embodiment, the connection assembly 2 includes a connection flange 201, a positioning rod 202 and a sealing cylinder 203. The connection flange 201 is fixedly connected to one end of the air intake pipe 1. The positioning rod 202 is arranged on one side of the connection flange 201. The sealing cylinder 203 is arranged outside the connection flange 201. The sealing cylinder 203 is fixedly connected to the connection flange 201. When in use, the connection flange 201 can be used to connect the external pipeline to the air intake pipe 1, thereby realizing the transportation of the mixed gas. By setting the positioning rod 202 When the flange is used to connect the external pipeline to the air intake pipeline 1, the flange can be positioned for easy installation. The sealing cylinder 203 can be provided to protect the connecting flange 201 to prevent leakage of the mixed gas. The dispersion component 3 includes a connecting chamber 301, an installation chamber 302 and a dispersion pipeline 303. The connecting chamber 301 is provided at one end of the air intake pipeline 1. The connecting chamber 301 is connected to the air intake pipeline 1 through-connection. The installation chamber 302 is provided at one end of the connecting chamber 301. The dispersion pipeline 303 is provided in multiple groups. The dispersion pipeline 303 It is arranged inside the installation bin 302, one end of the dispersion pipe 303 is connected with the connecting bin 301, and the other end of the dispersion pipe 303 is connected with the quenching tower 4. When in use, the dispersion pipe 303 can be installed and fixed by setting the connecting bin 301, and the dispersion pipe 303 can be connected with the air intake pipe 1. The dispersion pipe 303 can be protected by setting the installation bin 302. The dispersion pipe 303 can be used to disperse and transport the mixed gas to the inside of the quenching tower 4, thereby increasing the surface area of ​​the mixed gas, so that under the action of the quenching component 6, it is cooled to liquefy the water in the mixed gas, realize the separation of water, and increase the efficiency and effect of water separation. The exhaust component 5 includes an exhaust pipe 501 and a valve 502. One end of the exhaust pipe 501 is connected with the top surface of the quenching tower 4, and the valve 502 is arranged on the exhaust pipe 501. When in use, the mixed gas after the water is separated can be discharged by setting the exhaust pipe 501, and the opening and closing of the exhaust pipe 501 can be controlled by setting the valve 502.

[0024] See also Figure 4 In this embodiment, the quenching assembly 6 includes an atomizing nozzle 601, a connecting pipe 602 and a pressure pump 603. The atomizing nozzle 601 is arranged in multiple groups. The atomizing nozzle 601 is arranged on the inner side wall of the quenching tower 4. One end of the connecting pipe 602 is connected to the atomizing nozzle 601. The pressure pump 603 is arranged on the connecting pipe 602. When in use, the quenching water can be atomized by arranging the atomizing nozzle 601, so that the quenching water can be used to quench the mixed gas. By arranging the connecting pipe 602, the quenching water can be transported to the atomizing nozzle 601 under the action of the pressure pump 603, and the circulation The ring assembly 7 includes a water storage tray 701, a delivery pipe 702, a cooling box 703 and a cooling machine 704. The water storage tray 701 is arranged on the inner bottom surface of the quenching tower 4, and the cooling box 703 is arranged below the quenching tower 4. One end of the delivery pipe 702 is connected to the bottom surface of the water storage tray 701, and the other end of the delivery pipe 702 is connected to the cooling box 703. The refrigeration end of the cooling machine 704 is arranged inside the cooling box 703, and the heat dissipation end of the cooling machine 704 is arranged on one side of the cooling box 703. The other end of the connecting pipe 602 is connected to the cooling box 703. When in use, by setting The water storage tray 701 can collect and store the quenching water. The quenching water can be transported to the inside of the cooling box 703 by setting the delivery pipe 702. The quenching water can be cooled by setting the cooling machine 704, so as to provide the atomizing nozzle 601 with continuously cooled quenching water. The protection component 8 includes a water storage tank 801, a pumping pipe 802, a pumping pump 803 and a guide ring 804. The water storage tank 801 is arranged on the top surface of the quenching tower 4. One end of the pumping pipe 802 is connected to the water storage tray 701, and the other end of the pumping pipe 802 is connected to the water storage tank 801. The pumping pump 803 is connected to the water storage tank 801. 03 is arranged on the pumping pipe 802, the guide ring 804 is arranged on the inner top surface of the quenching tower 4, the guide ring 804 is connected with the water storage tank 801, and a water outlet gap is opened on the bottom surface of the guide ring 804. When in use, water can be stored by setting the water storage tank 801, and the pumping pipe 802 can be used to transport the water in the water storage tray 701 to the inside of the water storage tank 801 under the action of the pumping pump 803. By setting the guide ring 804, the water stored in the water storage tank 801 can form a water film on the inner wall of the quenching tower 4 under the action of gravity, so as to protect the inner wall of the quenching tower 4.

[0025] When working, the external pipeline is connected to the air intake pipeline 1 by using the connecting flange 201, so as to realize the transportation of the mixed gas. When the external pipeline is connected to the air intake pipeline 1 by using the flange, the positioning rod 202 is used to position the flange for easy installation. The connecting flange 201 is protected by the sealing cylinder 203 to prevent the leakage of the mixed gas.

[0026] The dispersion pipe 303 is installed and fixed by using the connecting chamber 301, and the dispersion pipe 303 is connected to the air inlet pipe 1, and the installation chamber 302 is used to protect the dispersion pipe 303, and the mixed gas is dispersed and transported to the inside of the quenching tower 4 by using the dispersion pipe 303, so as to increase the surface area of ​​the mixed gas, and the quenching water is atomized by the atomizing nozzle 601, so as to quench the mixed gas by using the quenching water, and the quenching water is transported to the atomizing nozzle 601 by using the connecting pipe 602 under the action of the booster pump 603, so as to be cooled under the action of the quenching component 6, so that the water in the mixed gas is liquefied, the water separation is achieved, and the efficiency and effect of the water separation are increased;

[0027] The mixed gas after the water is separated is discharged through the exhaust pipe 501, and the opening and closing of the exhaust pipe 501 is controlled by the valve 502;

[0028] The quenching water is collected and stored by the water storage tray 701, and is transported to the interior of the cooling box 703 by the transport pipe 702. The quenching water is cooled by the cooling machine 704, thereby providing the atomizing nozzle 601 with continuously cooled quenching water.

[0029] The water is stored in the water tank 801, and the water in the water storage tray 701 is transported to the inside of the water tank 801 by the water pump 803 through the water pumping pipe 802. The water stored in the water tank 801 is formed into a water film on the inner wall of the quenching tower 4 under the action of gravity by the guide ring 804, so as to protect the inner wall of the quenching tower 4.

[0030] Through the above steps, the mixed gas is transported to the interior of the quenching tower 4 by using the air inlet pipe 1, the external pipe is connected to the air inlet pipe 1 by using the connecting component 2, the mixed gas is dispersed by using the dispersion component 3 to increase the water removal efficiency, the mixture after water is removed is discharged by using the exhaust component 5, the quenching component 6 cooperates with the quenching tower 4 to liquefy the water in the mixed gas to achieve water separation, the circulation component 7 realizes the circulation of quenching water, and the inner wall of the quenching tower 4 is protected by using the protection component 8.

[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A device for separating water from a mixture at an outlet of a methacrolein synthesis reactor, comprising an air intake pipe (1); characterized in that: The invention also comprises a connecting component (2), a dispersing component (3), a quenching tower (4), an exhaust component (5), a quenching component (6), a circulation component (7) and a protection component (8); the connecting component (2) is arranged at one end of the air intake pipe (1); the dispersing component (3) is arranged at the other end of the air intake pipe (1); the dispersing component (3) is connected to the quenching tower (4); the exhaust component (5) is arranged at the top of the quenching tower (4); the quenching component (6) is arranged inside the quenching tower (4); the circulation component (7) is arranged below the quenching tower (4); the circulation component (7) is connected to the quenching component (6); and the protection component (8) is arranged inside the quenching tower (4).

2. The device for separating water from the mixture at the outlet of a methacrolein synthesis reactor according to claim 1, characterized in that: The connection assembly (2) comprises a connection flange (201), a positioning rod (202) and a sealing cylinder (203); the connection flange (201) is fixedly connected to one end of the air intake pipe (1); the positioning rod (202) is arranged on one side of the connection flange (201); the sealing cylinder (203) is arranged outside the connection flange (201); and the sealing cylinder (203) is fixedly connected to the connection flange (201).

3. The device for separating water from the mixture at the outlet of a methacrolein synthesis reactor according to claim 2, characterized in that: The dispersion component (3) comprises a connecting chamber (301), an installation chamber (302) and a dispersion pipeline (303); the connecting chamber (301) is arranged at one end of the air inlet pipeline (1); the connecting chamber (301) is connected in a through-connection with the air inlet pipeline (1); the installation chamber (302) is arranged at one end of the connecting chamber (301); the dispersion pipeline (303) is arranged in a plurality of groups; the dispersion pipeline (303) is arranged inside the installation chamber (302); one end of the dispersion pipeline (303) is connected in a through-connection with the connecting chamber (301); and the other end of the dispersion pipeline (303) is connected in a through-connection with the quench tower (4).

4. The device for separating water from the mixture at the outlet of a methacrolein synthesis reactor according to claim 3, characterized in that: The exhaust assembly (5) comprises an exhaust pipe (501) and a valve (502). One end of the exhaust pipe (501) is connected to the top surface of the quenching tower (4). The valve (502) is arranged on the exhaust pipe (501).

5. The device for separating water from the mixture at the outlet of a methacrolein synthesis reactor according to claim 4, characterized in that: The quenching assembly (6) includes an atomizing nozzle (601), a connecting pipe (602) and a pressure pump (603). The atomizing nozzle (601) is arranged in multiple groups. The atomizing nozzle (601) is arranged on the inner side wall of the quenching tower (4). One end of the connecting pipe (602) is connected to the atomizing nozzle (601). The pressure pump (603) is arranged on the connecting pipe (602).

6. The device for separating water from the mixture at the outlet of a methacrolein synthesis reactor according to claim 5, characterized in that: The circulation component (7) comprises a water storage tray (701), a delivery pipeline (702), a cooling box (703) and a cooling machine (704); the water storage tray (701) is arranged on the inner bottom surface of the quenching tower (4); the cooling box (703) is arranged below the quenching tower (4); one end of the delivery pipeline (702) is connected to the bottom surface of the water storage tray (701); the other end of the delivery pipeline (702) is connected to the cooling box (703); the refrigeration end of the cooling machine (704) is arranged inside the cooling box (703); the heat dissipation end of the cooling machine (704) is arranged on one side of the cooling box (703); and the other end of the connecting pipeline (602) is connected to the cooling box (703).

7. The device for separating water from the mixture at the outlet of a methacrolein synthesis reactor according to claim 6, characterized in that: The protection component (8) comprises a water storage tank (801), a water pumping pipe (802), a water pump (803) and a guide ring (804); the water storage tank (801) is arranged on the top surface of the quenching tower (4); one end of the water pumping pipe (802) is connected to the water storage tray (701); the other end of the water pumping pipe (802) is connected to the water storage tank (801); the water pump (803) is arranged on the water pumping pipe (802); the guide ring (804) is arranged on the inner top surface of the quenching tower (4); the guide ring (804) is connected to the water storage tank (801); and a water outlet slit is provided on the bottom surface of the guide ring (804).

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