A waste gas treatment device based on chlorinated ethylene carbonate

Abstract

The application discloses a waste gas treatment device based on chloroethylene carbonate, and relates to the technical field of waste gas treatment, which comprises a negative pressure fan, the output end of the negative pressure fan is fixedly connected with a first connecting pipe, the end, away from the negative pressure fan, of the first connecting pipe is fixedly connected with a chemical neutralization assembly, the side, away from the chemical neutralization assembly, of the deep purification assembly is fixedly connected with a discharge pipe; the chemical neutralization assembly comprises a shell, the side, of the shell, away from the negative pressure fan, is fixedly connected with the end, of the first connecting pipe, away from the negative pressure fan, and the front face of the shell is fixedly installed with an observation window. The waste gas generated in the production of chloroethylene carbonate is discharged after being treated in multiple ways, harmful substances in the gas are effectively removed, the waste gas meets the discharge requirements, and the environment and human bodies are prevented from being harmed.

Description

Technical Field

[0001] This invention relates to the field of waste gas treatment technology, specifically to a waste gas treatment device based on chloroethylene carbonate. Background Technology

[0002] Vinyl chlorinated carbonate is an organic compound that is a colorless to pale yellow transparent liquid at room temperature, belonging to the carbonate derivative class. Chemically, it is formed by replacing a hydrogen atom with a chlorine atom on the vinyl group of ethylene carbonate. The presence of both reactive chlorine atoms and carbonate groups in its molecular structure gives it high reactivity. In industrial applications, its core role is as a key intermediate in lithium-ion battery electrolyte functional additives: it can be used directly as an additive to improve battery film-forming performance, and more importantly, as a precursor in the synthesis of two core additives in lithium-ion battery electrolytes—ethyleneene carbonate and fluoroethylene carbonate. The production of vinyl chlorinated carbonate generates a large amount of waste gas, primarily composed of chlorine and hydrogen chloride, and also contains volatile organic compounds. Since both chlorine and hydrogen chloride are toxic and corrosive, chlorine dissolves in water to produce hydrochloric acid and hypochlorous acid, which can enter the soil and water bodies with rainfall, leading to soil acidification and the death of aquatic organisms. Direct discharge will cause significant damage to the surrounding environment. Furthermore, both chlorine and hydrogen chloride are toxic and irritating gases that pose a direct threat to human health.

[0003] Therefore, a waste gas treatment device based on chloroethylene carbonate is proposed to solve the above problems. Summary of the Invention

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this invention provides a waste gas treatment device based on ethylene chlorocarbonate, which treats the waste gas generated during the production of ethylene chlorocarbonate through various methods before discharge, effectively removing harmful substances from the gas to meet emission requirements and avoid harm to the environment and human health, thereby solving the problems mentioned in the background art.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, the present invention provides the following technical solution: a waste gas treatment device based on chloroethylene carbonate, comprising a negative pressure fan, wherein the output end of the negative pressure fan is fixedly connected to a No. 1 connecting pipe, the end of the No. 1 connecting pipe away from the negative pressure fan is fixedly connected to a chemical neutralization component, a deep purification component is fixedly connected to one side of the chemical neutralization component, and an emission pipe is fixedly connected to the side of the deep purification component away from the chemical neutralization component.

[0008] The chemical neutralization component includes a housing. One side of the housing is fixedly connected to the end of a first connecting pipe away from the negative pressure fan. An observation window is fixedly installed on the front of the housing. A packing box is slidably installed in the middle of the interior of the housing. An exhaust fan is fixedly installed at the top of the interior of the housing. A second connecting pipe is fixedly connected to the top of the housing. The end of the second connecting pipe away from the housing is fixedly connected to the side of the deep purification component near the chemical neutralization component. A circulating water tank is fixedly installed on one side of the housing. A water pump is fixedly installed on the top of the circulating water tank. The suction end of the water pump is fixedly connected to the interior of the circulating water tank. A water pipe is fixedly connected to the output end of the water pump. A water guide is fixedly installed inside the housing. A drain pipe is fixedly installed between the water guides. Multiple nozzles are fixedly installed at the bottom of the drain pipe. A dosing mechanism is fixedly installed on the top of the circulating water tank.

[0009] Preferably, the dosing mechanism includes a dosing tank, the bottom of which is fixedly connected to the top of the circulating water tank, a scale is fixedly installed on the front of the dosing tank, an addition port is fixedly installed on one side of the dosing tank, and a dispensing component is provided inside the dosing tank.

[0010] Preferably, the dispensing component includes a long rod and a fan-shaped block. The outer surface of the long rod is rotatably connected to the top of the dosing tank via a bearing. A rotating handle is fixedly installed at the top of the long rod. The fan-shaped block is fixedly installed at the bottom of the inner surface of the long rod. A baffle is rotatably installed inside the fan-shaped block. The center of the top of the baffle is fixedly connected to the bottom end of the long rod.

[0011] Preferably, the deep purification component includes a housing, one side of which is fixedly connected to the end of the second connecting pipe away from the outer shell, and the other side of which is fixedly connected to one end of the discharge pipe. A housing cover is installed on the top of the housing, and activated carbon is detachably installed inside the housing.

[0012] Preferably, a heat tracing assembly is also included, which is disposed outside the first connecting pipe.

[0013] Preferably, the heat tracing assembly includes a thermostat and a heating sleeve. The thermostat is fixedly sleeved on the outer surface of the first connecting pipe, and the heating sleeve is fixedly installed on one side of the outer shell. The heating sleeve is electrically connected to the thermostat.

[0014] Preferably, a power generation component is also included, which is disposed inside the discharge pipe.

[0015] Preferably, the power generation assembly includes a rotating shaft, a generator, and an energy storage unit. One end of the rotating shaft is rotatably connected to the interior of the discharge pipe. A collar is fixedly sleeved on the middle of the rotating shaft. Multiple wind resistance plates are equidistantly installed on the outer surface of the collar. The generator is fixedly installed behind the discharge pipe. The input end of the generator is fixedly connected to the end of the rotating shaft away from the discharge pipe. The energy storage unit is fixedly installed behind the discharge pipe. The energy storage unit is electrically connected to the generator and to a temperature controller and a heating sleeve.

[0016] (III) Beneficial Effects

[0017] Compared with the prior art, the present invention provides a waste gas treatment device based on chloroethylene carbonate, which has the following beneficial effects:

[0018] 1. This invention connects the suction end of a negative pressure fan to the exhaust end of a reaction vessel via a negative pressure fan, a first connecting pipe, a chemical neutralization component, a deep purification component, and an exhaust pipe. The negative pressure fan transports the waste gas generated during the production of vinyl chloride carbonate in the reaction vessel to the lower part of the outer shell through the first connecting pipe. Under the action of the exhaust fan, the waste gas rises in the outer shell, reacts with the packing material inside the packing box, and simultaneously the water pump is turned on. The water pump draws out the solution at the bottom of the outer shell and transports it to the water guide through the water pipe. From the water guide, it enters the discharge pipe and is finally sprayed out from the nozzle, coming into contact with and mixing with the waste gas. The treated gas is then discharged from the top of the outer shell and enters the interior of the chamber through the second connecting pipe. In the chamber, it passes through activated carbon, which absorbs organic matter and toxic substances in the waste gas. Finally, the waste gas is discharged from the exhaust pipe. Through the above structure, the waste gas generated during the production of vinyl chloride carbonate is treated in multiple ways before being discharged, effectively removing harmful substances from the gas to meet emission requirements and avoiding harm to the environment and human health.

[0019] 2. This invention utilizes a dosing mechanism. When it is necessary to add a drug to the solution in the outer shell, the drug is first added into the dosing tank through the adding port. The dosage is observed through the scale. Dosing is stopped when the appropriate amount is reached. Then, the long rod is rotated by the handle. The long rod drives the baffle to rotate inside the sector block, creating a gap between the baffle and the sector block. This allows the drug to fall from the gap into the circulating water tank, thus adding the drug to the solution inside the outer shell. This structure facilitates precise control of the drug dosage during dosing, ensuring the solution achieves the best reaction effect on the waste gas.

[0020] 3. The present invention uses a heat tracing component to heat the No. 1 connecting pipe before the exhaust gas passes through the No. 1 connecting pipe by activating the heating sleeve through a temperature controller. Through the above structure, since the exhaust gas contains hydrogen chloride and unreacted chlorine, the pipe is preheated in advance to prevent the temperature from dropping below the dew point and condensing to form highly corrosive hydrochloric acid mist, which would then precipitate and corrode the equipment and pipes.

[0021] 4. In this invention, when the flue gas is discharged from the exhaust pipe, it blows the wind resistance plate. The wind resistance plate drives the rotating shaft to rotate through the collar. The rotating shaft generates mechanical force to drive the generator to generate electricity. The generator transmits the generated electricity to the energy storage group for storage. Through the above structure, the exhaust gas can be used to generate electricity, which can provide some power for the operation of the heat tracing component and other equipment, thus achieving the effect of saving energy. Attached Figure Description

[0022] Figure 1 This is a structural diagram of the present invention;

[0023] Figure 2 This is a structural diagram of the chemical neutralization component of the present invention;

[0024] Figure 3 This is a diagram of the internal structure of the outer casing of the present invention;

[0025] Figure 4 This is a structural diagram of the drug dispensing mechanism of the present invention;

[0026] Figure 5 This is a structural diagram of the drug delivery component of the present invention;

[0027] Figure 6 This is a structural diagram of the deep purification component of the present invention;

[0028] Figure 7 This is a structural diagram of the heat tracing assembly of the present invention;

[0029] Figure 8 This is a structural diagram of the power generation component of the present invention.

[0030] Figure label:

[0031] 1. Negative pressure fan;

[0032] 2. Connecting pipe No. 1;

[0033] 3. Chemical neutralization components; 31. Outer casing; 32. Observation window; 33. Packing box; 34. Exhaust fan; 35. No. 2 connecting pipe; 36. Circulating water tank; 37. Water pump; 38. Water guide; 39. Drain pipe; 310. Nozzle; 311. Water pipe; 312. Dosing mechanism; 3121. Dosing tank; 3122. Scale; 3123. Addition port; 3124. Dispensing parts; 31241. Long rod; 31242. Rotary handle; 31243. Sector block; 31244. Baffle;

[0034] 4. Deep purification components; 41. Chamber; 42. Chamber lid; 43. Activated carbon;

[0035] 5. Discharge pipe;

[0036] 6. Heat tracing assembly; 61. Thermostat; 62. Heating sleeve;

[0037] 7. Power generation components; 71. Rotating shaft; 72. Collar; 73. Wind resistance plate; 74. Generator; 75. Energy storage group. Detailed Implementation

[0038] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0040] Example

[0041] Please refer to Figures 1 to 8 As shown:

[0042] To address the problems mentioned in the technical solutions, this application provides a waste gas treatment device based on chloroethylene carbonate, including a negative pressure fan 1. The output end of the negative pressure fan 1 is fixedly connected to a first connecting pipe 2. The end of the first connecting pipe 2 away from the negative pressure fan 1 is fixedly connected to a chemical neutralization component 3. A deep purification component 4 is fixedly connected to one side of the chemical neutralization component 3. An exhaust pipe 5 is fixedly connected to the side of the deep purification component 4 away from the chemical neutralization component 3.

[0043] The chemical neutralization component 3 includes a housing 31. One side of the housing 31 is fixedly connected to the end of the first connecting pipe 2 away from the negative pressure fan 1. An observation window 32 is fixedly installed on the front of the housing 31. A packing box 33 is slidably installed in the middle of the interior of the housing 31. An exhaust fan 34 is fixedly installed on the upper part of the interior of the housing 31. A second connecting pipe 35 is fixedly connected to the top of the housing 31. The end of the second connecting pipe 35 away from the housing 31 is fixedly connected to the side of the deep purification component 4 near the chemical neutralization component 3. A circulating water tank 36 is fixedly installed on one side of the housing 31. A water pump 37 is fixedly installed on the top of the circulating water tank 36. The suction end of the water pump 37... The water pump 37 is fixedly connected to the internal structure of the circulating water tank 36, and the output end of the water pump 37 is fixedly connected to the water pipe 311. A water guide 38 is fixedly installed inside the outer casing 31, and a drain pipe 39 is fixedly installed between the water guides 38. Multiple nozzles 310 are fixedly installed at the bottom of the drain pipe 39, and a dosing mechanism 312 is fixedly installed at the top of the circulating water tank 36. The packing box 33 has slots on both sides that fit into the locking strips installed inside the outer casing 31, allowing the packing box 33 to be pulled out of the outer casing 31 for easy replacement of the packing. A sealing ring is also provided on the closed surface of the packing box 33 and the outer casing 31 to prevent exhaust gas from escaping from the gaps.

[0044] Preferably, the dosing mechanism 312 includes a dosing tank 3121, the bottom of which is fixedly connected to the top of the circulating water tank 36, a scale mark 3122 is fixedly installed on the front of the dosing tank 3121, an inlet 3123 is fixedly installed on one side of the dosing tank 3121, and a dispensing part 3124 is provided inside the dosing tank 3121.

[0045] Preferably, the dispensing part 3124 includes a long rod 31241 and a sector block 31243. The outer surface of the long rod 31241 is rotatably connected to the top of the dosing tank 3121 via a bearing. A rotating handle 31242 is fixedly installed at the top of the long rod 31241. The sector block 31243 is fixedly installed at the bottom of the inner surface of the long rod 31241. A baffle 31244 is rotatably installed inside the sector block 31243. The center of the top of the baffle 31244 is fixedly connected to the bottom of the long rod 31241.

[0046] Preferably, the deep purification component 4 includes a housing 41. One side of the housing 41 is fixedly connected to the end of the second connecting pipe 35 away from the outer shell 31, and the other side of the housing 41 is fixedly connected to one end of the discharge pipe 5. A cover 42 is installed on the top of the housing 41, and activated carbon 43 is detachably installed inside the housing 41. Opening the cover 42 facilitates the periodic replacement of the activated carbon 43 to ensure the good purification effect of the activated carbon 43.

[0047] Preferably, a heat tracing component 6 is also included, which is disposed outside the first connecting pipe 2.

[0048] Preferably, the heat tracing assembly 6 includes a thermostat 61 and a heating sleeve 62. The thermostat 61 is fixedly sleeved on the outer surface of the first connecting pipe 2, and the heating sleeve 62 is fixedly installed on one side of the outer casing 31. The heating sleeve 62 is electrically connected to the thermostat 61.

[0049] Preferably, a power generation component 7 is also included, which is disposed inside the discharge pipe 5.

[0050] Preferably, the power generation assembly 7 includes a rotating shaft 71, a generator 74, and an energy storage group 75. One end of the rotating shaft 71 is rotatably connected to the inside of the discharge pipe 5. A collar 72 is fixedly sleeved in the middle of the rotating shaft 71. Multiple wind resistance plates 73 are equidistantly installed on the outer surface of the collar 72. The generator 74 is fixedly installed behind the discharge pipe 5. The input end of the generator 74 is fixedly connected to the end of the rotating shaft 71 away from the discharge pipe 5. The energy storage group 75 is fixedly installed behind the discharge pipe 5. The energy storage group 75 is electrically connected to the generator 74 and to the temperature controller 61 and the heating sleeve 62.

[0051] The working principle of all the content in the above embodiments is as follows:

[0052] The suction end of the negative pressure fan 1 is connected to the exhaust end of the reactor. Before the waste gas passes through the first connecting pipe 2, the heating sleeve 62 is activated by the temperature controller 61 to heat the first connecting pipe 2. The negative pressure fan 1 transports the waste gas generated when the reactor produces chloroethylene carbonate through the first connecting pipe 2 to the lower part of the shell 31. Under the action of the exhaust fan 34, the waste gas floats upward in the shell 31 and reacts with the packing inside the packing box 33. At the same time, the water pump 37 is turned on. The water pump 37 draws out the solution at the bottom of the shell 31 and transports it to the water guide 38 through the water pipe 311. Then it enters the discharge pipe 39 from the water guide 38 and is finally sprayed out from the nozzle 310, where it comes into contact with and mixes with the waste gas. The treated gas will be discharged from the top of the shell 31 and enter the box 41 through the second connecting pipe 35. In the box 41, it passes through the activated carbon 43, which absorbs the organic matter and toxic substances in the waste gas. Finally, the waste gas is discharged from the discharge pipe 5.

[0053] When it is necessary to add medicine to the solution in the outer shell 31, first add medicine into the dosing tank 3121 through the adding port 3123, observe the dosage through the scale 3122, and stop adding medicine when the appropriate amount is reached. Then, rotate the long rod 31241 through the handle 31242. The long rod 31241 drives the baffle 31244 to rotate inside the fan-shaped block 31243, so that the gap between the baffle 31244 and the fan-shaped block 31243 is opened, allowing the medicine to fall from the gap into the circulating water tank 36, so that the medicine is added to the solution inside the outer shell 31.

[0054] When the flue gas is discharged from the exhaust pipe 5, it blows the wind resistance plate 73. The wind resistance plate 73 drives the rotating shaft 71 to rotate through the collar 72. The rotating shaft 71 generates mechanical force while rotating, which drives the generator 74 to generate electricity. The generator 74 transmits the generated electricity to the energy storage group 75 for storage.

[0055] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0056] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A waste gas treatment device based on ethylene chloride carbonate, characterized in that: Includes a negative pressure fan (1), the output end of the negative pressure fan (1) is fixedly connected to a No. 1 connecting pipe (2), the end of the No. 1 connecting pipe (2) away from the negative pressure fan (1) is fixedly connected to a chemical neutralization component (3), one side of the chemical neutralization component (3) is fixedly connected to a deep purification component (4), and the side of the deep purification component (4) away from the chemical neutralization component (3) is fixedly connected to an exhaust pipe (5). The chemical neutralization component (3) includes a housing (31). One side of the housing (31) is fixedly connected to the end of the first connecting pipe (2) away from the negative pressure fan (1). An observation window (32) is fixedly installed on the front of the housing (31). A packing box (33) is slidably installed in the middle of the interior of the housing (31). An exhaust fan (34) is fixedly installed on the upper part of the interior of the housing (31). A second connecting pipe (35) is fixedly connected to the top of the housing (31). The end of the second connecting pipe (35) away from the housing (31) is fixedly connected to the side of the deep purification component (4) near the chemical neutralization component (3). The outer shell (31) is connected to a circulating water tank (36) fixedly installed on one side. A water pump (37) is fixedly installed on the top of the circulating water tank (36). The suction end of the water pump (37) is fixedly connected to the inside of the circulating water tank (36). A water pipe (311) is fixedly connected to the output end of the water pump (37). A water guide (38) is fixedly installed inside the outer shell (31). A drain pipe (39) is fixedly installed between the water guides (38). Multiple nozzles (310) are fixedly installed at the bottom of the drain pipe (39). A dosing mechanism (312) is fixedly installed on the top of the circulating water tank (36).

2. The waste gas treatment device based on ethylene chloride carbonate according to claim 1, characterized in that: The dosing mechanism (312) includes a dosing tank (3121), the bottom of which is fixedly connected to the top of the circulating water tank (36), a scale (3122) is fixedly installed on the front of the dosing tank (3121), an addition port (3123) is fixedly installed on one side of the dosing tank (3121), and a dispensing part (3124) is provided inside the dosing tank (3121).

3. The waste gas treatment device based on ethylene chloride carbonate according to claim 2, characterized in that: The dispensing component (3124) includes a long rod (31241) and a fan-shaped block (31243). The outer surface of the long rod (31241) is rotatably connected to the top of the dosing tank (3121) via a bearing. A rotating handle (31242) is fixedly installed at the top of the long rod (31241). The fan-shaped block (31243) is fixedly installed at the bottom of the inner surface of the long rod (31241). A baffle (31244) is rotatably installed inside the fan-shaped block (31243). The center of the top of the baffle (31244) is fixedly connected to the bottom end of the long rod (31241).

4. The waste gas treatment device based on ethylene chloride carbonate according to claim 1, characterized in that: The deep purification component (4) includes a box (41), one side of the box (41) is fixedly connected to the end of the second connecting pipe (35) away from the outer shell (31), the other side of the box (41) is fixedly connected to one end of the discharge pipe (5), a box cover (42) is installed on the top of the box (41), and activated carbon (43) is detachably installed inside the box (41).

5. The waste gas treatment device based on ethylene chloride carbonate according to claim 1, characterized in that: It also includes a heat tracing assembly (6), which is disposed outside the first connecting pipe (2).

6. The waste gas treatment device based on ethylene chloride carbonate according to claim 5, characterized in that: The heat tracing assembly (6) includes a thermostat (61) and a heating sleeve (62). The thermostat (61) is fixedly sleeved on the outer surface of the first connecting pipe (2). The heating sleeve (62) is fixedly installed on one side of the outer shell (31). The heating sleeve (62) is electrically connected to the thermostat (61).

7. The waste gas treatment device based on ethylene chloride carbonate according to claim 1, characterized in that: It also includes a power generation component (7), which is disposed inside the discharge pipe (5).

8. The waste gas treatment device based on ethylene chloride carbonate according to claim 7, characterized in that: The power generation assembly (7) includes a rotating shaft (71), a generator (74), and an energy storage group (75). One end of the rotating shaft (71) is rotatably connected to the inside of the discharge pipe (5). A collar (72) is fixedly sleeved in the middle of the rotating shaft (71). Multiple wind resistance plates (73) are equidistantly installed on the outer surface of the collar (72). The generator (74) is fixedly installed behind the discharge pipe (5). The input end of the generator (74) is fixedly connected to the end of the rotating shaft (71) away from the discharge pipe (5). The energy storage group (75) is fixedly installed behind the discharge pipe (5). The energy storage group (75) is electrically connected to the generator (74). The energy storage group (75) is electrically connected to the thermostat (61) and the heating sleeve (62).

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