Heat treatment device for producing ethylene carbonate

Abstract

The utility model discloses a heat treatment device for producing ethylene carbonate, and relates to the technical field of ethylene carbonate production, the heat treatment device comprises a bottom plate, a treatment tank and a plate heat exchanger, the right end of the top of the bottom plate is provided with the treatment tank, the left end of the top of the bottom plate is provided with the plate heat exchanger, the treatment tank is internally provided with a waste treatment assembly, and the waste treatment assembly is internally provided with a heat exchanger. A transmission shaft is driven by an arranged driving motor to drive a rotating rod and a stirring auger to rotate, so that a stirring disc is driven to rotate, the arranged stirring auger and the stirring disc stir a water body in a treatment tank, the mixing efficiency of acid gas and heat in waste gas and the water body is improved, the waste gas is introduced into a waste gas pipeline through a pressure release valve by an arranged exhaust pipe, and the waste gas is discharged through a discharge pipe. A plate heat exchanger is arranged to recover heat generated by the treated water body, and a water outlet pipe and an arc-shaped filter pipe are arranged to filter the treated water body and convey the water body into the plate heat exchanger for heat recovery.

Description

Technical Field

[0001] The utility model relates to the technical field of ethylene carbonate production, in particular to a heat treatment device for producing ethylene carbonate. Background Art

[0002] Currently, when producing ethylene carbonate, the temperature of the finished product after the raw materials react is very high. During the storage of the finished product, the finished product with high heat does not meet the storage standards and needs to have its heat reduced. Generally, natural heat dissipation is used, which takes a long time and also wastes heat.

[0003] In the patent with publication number CN206279109U, a heat treatment device for producing ethylene carbonate is proposed, which includes a pretreatment tank, a first treatment device, a finished product storage tank, a finished product, and a first pipeline. The pretreatment tank 1 is used to store the finished product with high heat after the reaction; the first treatment device 2, the first treatment device 2 is a condenser, and the first treatment device 2 is connected to the upper part of the pretreatment tank 1 through a pipeline; the condenser receives the high-temperature gas in the upper space of the pretreatment tank 1; the lower part of the pretreatment tank 1 is provided with a second treatment device; the second treatment device is a first pipeline 5 that runs through the lower part of the pretreatment tank; the first pipeline 5 enters the pretreatment tank 1 from one side of the lower part of the pretreatment tank 1 and extends out of the pretreatment tank 1 from the other side of the pretreatment tank 1, and the first pipeline 5 is buried in the finished product 4 in the pretreatment tank 1; gas or liquid is introduced into the first pipeline 5 body; the output end of the first pipe 5 is connected to a heat exchange device, or to a high-temperature liquid or high-temperature gas storage device; this part of the heat is transferred to the gas or liquid, the high-temperature gas can provide energy for other reactions, and the high-temperature liquid can be recovered and stored for subsequent use; it can also be used for heating; the heat treatment device also includes a finished product storage tank 3, which is connected to the pretreatment tank 1; in order to improve the efficiency of heat exchange, the first pipe 5 is generally made of aluminum or aluminum alloy, which has high heat conduction efficiency and reduces cooling time; the condenser is used to treat the high-temperature air above the finished product, and at the same time, a first pipe 5 is passed through the inside of the finished product, and gas or liquid is passed into the first pipe 5. This gas and liquid are generally at room temperature and perform heat exchange with the high-temperature finished product 4 in the first pipe 5, thereby achieving the purpose of lowering the temperature of the finished product and recovering part of the heat. However, the following problems still exist in this patent:

[0004] The existing process of producing ethylene carbonate does not allow for the waste treatment and heat recovery of the heat generated.

[0005] In view of the above problems, it is necessary to design a heat treatment device for producing ethylene carbonate to overcome the above problems. Utility Model Content

[0006] The main purpose of the utility model is to provide a heat treatment device for producing ethylene carbonate, which can effectively solve the problems in the background technology.

[0007] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0008] A heat treatment device for producing ethylene carbonate, comprising a base plate, a treatment tank, and a plate heat exchanger, wherein the treatment tank is provided at the right end of the top of the base plate, the plate heat exchanger is provided at the left end of the top of the base plate, and a waste treatment component is provided inside the treatment tank;

[0009] The waste treatment assembly includes a mounting base arranged on the left side of the treatment tank, the front of the mounting base is connected to an exhaust pipe, the front of the exhaust pipe is installed with an exhaust pipe, and the top of the exhaust pipe is provided with a pressure relief valve;

[0010] A stirring assembly is provided inside the treatment tank, the stirring assembly comprising a transmission shaft provided on the right side of the treatment tank, a rotating rod provided on the left side of the transmission shaft, a stirring auger provided on the outer wall of the rotating rod, and a stirring disk installed on the left side of the rotating rod;

[0011] An air inlet pipe is provided at the rear end of the right side of the treatment tank, a protective cylinder is provided in the middle of the right side of the treatment tank, a drive motor is installed on the right side of the protective cylinder, a water inlet pipe is provided at the right end of the top of the treatment tank, a medicine inlet pipe is provided at the left end of the top of the treatment tank, a water outlet pipe is installed in the middle of the front of the treatment tank, and an arc-shaped filter tube is installed at the end of the water outlet pipe away from the treatment tank.

[0012] As a preferred solution of the present invention, the left end of the outer wall of the treatment tank contacts the inner wall of the mounting seat and is detachable, the exhaust pipe is threadedly connected to the treatment tank, the exhaust pipe is detachably connected to the exhaust pipe, and the exhaust pipe is detachably connected to the pressure relief valve.

[0013] As a preferred solution of the present invention, the processing tank is detachably connected to the air inlet pipe, the processing tank is fixedly connected to the protective tube, and the driving motor is drivingly connected to the transmission shaft.

[0014] As a preferred solution of the present invention, the transmission shaft is threadedly connected to the rotating rod, the rotating rod is fixedly connected to the stirring auger, and the rotating rod is threadedly connected to the stirring disk.

[0015] As a preferred solution of the present invention, the treatment tank is detachably connected to the water inlet pipe and the drug inlet pipe, the treatment tank is threadedly connected to the water outlet pipe, the water outlet pipe is threadedly connected to the arc filter pipe, and the other end of the arc filter pipe away from the water outlet pipe is connected to the bottom of the plate heat exchanger and is detachable.

[0016] Beneficial effects

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The heat treatment device for producing ethylene carbonate drives the rotating rod and the stirring auger to rotate through the provided driving motor, thereby driving the stirring disk to rotate. The provided stirring auger and the stirring disk stir the water in the treatment tank, thereby improving the mixing efficiency of the acid gas and heat in the exhaust gas with the water. The provided exhaust pipe passes the waste gas into the exhaust pipe through the pressure relief valve. The provided plate heat exchanger recovers the heat generated by the treated water. The provided water outlet pipe and the arc filter pipe can filter the treated water and then transport it to the plate heat exchanger for heat recovery. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the arc-shaped filter tube of the utility model;

[0021] Figure 3 It is a schematic structural diagram of the stirring component and the waste treatment component of the utility model.

[0022] In the figure: 1. Base plate; 2. Treatment tank; 3. Plate heat exchanger; 4. Stirring assembly; 5. Waste disposal assembly; 6. Air inlet pipe; 7. Protective tube; 8. Drive motor; 9. Water inlet pipe; 10. Drug inlet pipe; 401. Drive shaft; 402. Rotating rod; 403. Stirring auger; 404. Stirring disc; 501. Mounting base; 502. Exhaust pipe; 503. Exhaust pipe; 504. Pressure relief valve; 11. Water outlet pipe; 12. Curved filter tube. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] like Figure 1-3 As shown, a heat treatment device for producing ethylene carbonate includes a base plate 1, a treatment tank 2, and a plate heat exchanger 3. The treatment tank 2 is provided at the right end of the top of the base plate 1, the plate heat exchanger 3 is provided at the left end of the top of the base plate 1, and a waste treatment component 5 is provided inside the treatment tank 2;

[0025] The waste treatment assembly 5 includes a mounting base 501 provided on the left side of the treatment tank 2. An exhaust pipe 502 is connected to the front of the mounting base 501. An exhaust pipe 503 is installed on the front of the exhaust pipe 502. A pressure relief valve 504 is provided on the top of the exhaust pipe 502.

[0026] A stirring assembly 4 is provided inside the processing tank 2. The stirring assembly 4 includes a transmission shaft 401 provided on the right side of the processing tank 2, a rotating rod 402 provided on the left side of the transmission shaft 401, a stirring auger 403 provided on the outer wall of the rotating rod 402, and a stirring disc 404 installed on the left side of the rotating rod 402;

[0027] An air inlet pipe 6 is provided at the rear end of the right side of the treatment tank 2, a protective cylinder 7 is provided in the middle of the right side of the treatment tank 2, a drive motor 8 is installed on the right side of the protective cylinder 7, a water inlet pipe 9 is provided at the right end of the top of the treatment tank 2, a drug inlet pipe 10 is provided at the left end of the top of the treatment tank 2, a water outlet pipe 11 is installed in the middle of the front of the treatment tank 2, and an arc-shaped filter tube 12 is installed at the end of the water outlet pipe 11 away from the treatment tank 2;

[0028] The left end of the outer wall of the treatment tank 2 contacts the inner wall of the mounting seat 501 and is detachable. The exhaust pipe 502 is threadedly connected to the treatment tank 2, the exhaust pipe 502 is detachably connected to the exhaust pipe 503, and the exhaust pipe 502 is detachably connected to the pressure relief valve 504; the treatment tank 2 is detachably connected to the air inlet pipe 6, the treatment tank 2 is fixedly connected to the protective cylinder 7, and the drive motor 8 is transmission-connected to the transmission shaft 401; the transmission shaft 401 is threadedly connected to the rotating rod 402, the rotating rod 402 is fixedly connected to the stirring auger 403, and the rotating rod 402 is threadedly connected to the stirring disk 404; the treatment tank 2 is detachably connected to the water inlet pipe 9 and the drug inlet pipe 10, the treatment tank 2 is threadedly connected to the water outlet pipe 11, the water outlet pipe 11 is threadedly connected to the arc filter tube 12, and the other end of the arc filter tube 12 away from the water outlet pipe 11 is connected to the bottom of the plate heat exchanger 3 and is detachable;

[0029] Among them, the drive motor 8 drives the transmission shaft 401 to drive the rotating rod 402 and the stirring auger 403 to rotate, thereby driving the stirring disk 404 to rotate. The stirring auger 403 and the stirring disk 404 are set to stir the water in the treatment tank 2, thereby improving the mixing efficiency of the acidic gas and heat in the exhaust gas with the water. The exhaust pipe 502 is set to pass the waste into the exhaust pipe 503 through the pressure relief valve 504. The plate heat exchanger 3 is set to recover the heat generated by the treated water. The outlet pipe 11 and the arc filter tube 12 can filter the treated water and then transport it to the plate heat exchanger 3 for heat recovery.

[0030] It should be noted that the present invention is a heat treatment device for producing ethylene carbonate. When in use, the waste generated by the production of ethylene carbonate is transported to the treatment tank 2 through the air inlet pipe 6, and water and chemicals are added to the treatment tank 2 through the water inlet pipe 9 and the drug inlet pipe 10. The driving motor 8 drives the transmission shaft 401 to drive the rotating rod 402, the stirring auger 403, and the stirring disk 404 to stir the water in the treatment tank 2, thereby improving the mixing efficiency of the acidic gas and heat in the exhaust gas with the water. The treated exhaust gas is discharged into the exhaust pipe 503 through the pressure relief valve 504 to facilitate the treatment work. The treated water is transported to the arc filter tube 12 through the outlet pipe 11 for filtration, and the arc filter tube 12 discharges the water into the plate heat exchanger 3, and the plate heat exchanger 3 recovers heat from the water.

[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A heat treatment device for producing ethylene carbonate, comprising a base plate (1), a treatment tank (2) and a plate heat exchanger (3), characterized in that: A processing tank (2) is provided at the right end of the top of the base plate (1), a plate heat exchanger (3) is provided at the left end of the top of the base plate (1), and a waste treatment component (5) is provided inside the processing tank (2); The waste treatment assembly (5) comprises a mounting seat (501) arranged on the left side of the treatment tank (2); an exhaust pipe (502) is connected to the front of the mounting seat (501); an exhaust pipe (503) is installed on the front of the exhaust pipe (502); and a pressure relief valve (504) is provided at the top of the exhaust pipe (502); A stirring assembly (4) is provided inside the treatment tank (2), and the stirring assembly (4) comprises a transmission shaft (401) provided on the right side of the inside of the treatment tank (2), a rotating rod (402) is provided on the left side of the transmission shaft (401), a stirring auger (403) is provided on the outer wall of the rotating rod (402), and a stirring disc (404) is installed on the left side of the rotating rod (402); An air inlet pipe (6) is provided at the rear end of the right side of the treatment tank (2), a protective cylinder (7) is provided in the middle of the right side of the treatment tank (2), a driving motor (8) is installed on the right side of the protective cylinder (7), a water inlet pipe (9) is provided at the right end of the top of the treatment tank (2), a medicine inlet pipe (10) is provided at the left end of the top of the treatment tank (2), a water outlet pipe (11) is provided in the middle of the front of the treatment tank (2), and an arc-shaped filter tube (12) is installed at the end of the water outlet pipe (11) away from the treatment tank (2).

2. The heat treatment device for producing ethylene carbonate according to claim 1, characterized in that: The left end of the outer wall of the treatment tank (2) contacts the inner wall of the mounting seat (501) and is detachable. The exhaust pipe (502) is threadedly connected to the treatment tank (2). The exhaust pipe (502) is detachably connected to the exhaust pipe (503). The exhaust pipe (502) is detachably connected to the pressure relief valve (504).

3. The heat treatment device for producing ethylene carbonate according to claim 1, characterized in that: The processing tank (2) is detachably connected to the air inlet pipe (6), the processing tank (2) is fixedly connected to the protective cylinder (7), and the driving motor (8) is drivingly connected to the transmission shaft (401).

4. The heat treatment device for producing ethylene carbonate according to claim 1, characterized in that: The transmission shaft (401) is threadedly connected to the rotating rod (402), the rotating rod (402) is fixedly connected to the stirring auger (403), and the rotating rod (402) is threadedly connected to the stirring disk (404).

5. The heat treatment device for producing ethylene carbonate according to claim 1, characterized in that: The treatment tank (2) is detachably connected to the water inlet pipe (9) and the drug inlet pipe (10), the treatment tank (2) is threadedly connected to the water outlet pipe (11), the water outlet pipe (11) is threadedly connected to the arc-shaped filter pipe (12), and the other end of the arc-shaped filter pipe (12) away from the water outlet pipe (11) is detachably connected to the bottom of the plate heat exchanger (3).

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