Deep purification equipment and process for waste gas generated in production of drug intermediates

Abstract

The invention discloses deep purification equipment and process for waste gas generated in drug intermediate production, and relates to the technical field of drug intermediate production. A filler part comprises a heat-conducting resin framework positioned and mounted in a tank body, heat-conducting resin insertion cylinders are arranged at the node positions of the heat-conducting resin framework, and a filler area is filled with a mixture of an adsorption material and a magnetic material. The breathable supporting piece is horizontally arranged at the top of the heat-conducting resin framework, and breathable mesh holes communicating with the filler area are vertically formed in the breathable supporting piece in a penetrating mode. The electromagnetic heating piece comprises an electric control box, an electric heating ring fixedly connected to the lower portion of the electric control box and an electromagnetic rod fixedly connected to the lower portion of the electric heating ring, and the electromagnetic rod movably penetrates through the breathable supporting piece and is inserted into the heat conduction resin insertion barrel. The active degree of the VOCs waste gas is promoted in an electric heating and electromagnetic action mode, the absorption efficiency of the adsorption material on the VOCs waste gas is improved, strong mechanical impact on an equipment structure is also avoided, and equipment abrasion is effectively reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of pharmaceutical intermediate production, and particularly to a deep purification device and process for waste gas in pharmaceutical intermediate production. Background Art

[0002] During the production of pharmaceutical intermediates, a large amount of volatile organic compound (VOCs) waste gas is generated. These waste gases have complex compositions and contain various organic pollutants. If directly discharged without effective treatment, they will not only cause serious pollution to the atmospheric environment, leading to environmental problems such as photochemical smog and acid rain, but also pose a threat to human health, such as irritating the respiratory tract and affecting the nervous system function.

[0003] Currently, in industry, a packed tower is often used to absorb and treat a large amount of VOCs waste gas, and vibration, heating and other methods are used to improve the treatment effect. Through vibration, the waste gas can be more fully contacted with the absorbent in the packed tower, enhancing the mass transfer efficiency; heating can increase the activity of pollutants in the waste gas and accelerate the absorption reaction rate.

[0004] However, most traditional vibration methods rely on mechanical vibration devices, which will cause strong impacts on the overall equipment during operation. Continuous impacts will exacerbate the wear of key components of the equipment, such as the connection parts and support structures of the tower body, resulting in problems such as loosening and deformation of the equipment. This not only increases the equipment maintenance cost and the frequency of shutdown for maintenance, but also significantly shortens the commissioning service life of the equipment, affecting the normal production operation of the enterprise and bringing greater negative impacts in terms of economic cost and production efficiency.

[0005] Therefore, it has become a problem to be solved to develop a deep purification device and process that can not only efficiently purify VOCs waste gas in pharmaceutical intermediate production, but also reduce equipment wear and extend the service life of the equipment. Summary of the Invention

[0006] In order to efficiently purify VOCs waste gas in pharmaceutical intermediate production and reduce equipment wear and extend the service life of the equipment, the present invention is realized through the following technical solutions:

[0007] The present invention provides a deep purification device for waste gas in pharmaceutical intermediate production, which is configured with the following structure:

[0008] A filtration and purification tank, including a tank body, an intake chamber and an outlet chamber located inside the tank body, a plurality of intake pipes communicating with the intake chamber, an outlet pipe communicating with the outlet chamber, a sealing cover hermetically installed on the top of the tank body, the upstream of the plurality of intake pipes being connected to the same pipeline configured with a gas flow meter, and a bottom-side support filter plate being fixedly installed inside the tank body.

[0009] The filler piece includes a heat-conducting resin framework positioned and installed inside the tank. The heat-conducting resin framework is located above the bottom-side supporting filter plate, and heat-conducting resin insertion cylinders are provided at the node positions of the heat-conducting resin framework. Except for the inner peripheral area of the heat-conducting resin insertion cylinder, a plurality of uniformly distributed filler areas are formed between the inner periphery of the heat-conducting resin framework and between the heat-conducting resin framework and the inner wall of the tank. The filler areas are filled with a mixture of an adsorption material and a magnetic material.

[0010] The air-permeable support piece is placed flat on the top of the heat-conducting resin framework, and the air-permeable support piece is vertically penetrated with air-permeable mesh holes communicating with the filler areas.

[0011] The electromagnetic heating piece includes an electric control box, a heating ring fixedly connected below the electric control box, and an electromagnetic rod fixedly connected below the heating ring. An electromagnetic module is provided inside the electromagnetic rod. The heating ring and the electromagnetic module are electrically connected to the electric control box. The electromagnetic rod movably penetrates through the air-permeable support piece and inserts into the inside of the heat-conducting resin insertion cylinder.

[0012] As a preferred technical solution of the device of the present invention: the number of the air inlet pipes is at least four, and the multiple air inlet pipes are uniformly distributed around the tank body. The air inlet pipes and the air outlet pipes are configured with solenoid valves.

[0013] As a preferred technical solution of the device of the present invention: the position of the communication port between the air inlet pipe and the air inlet cavity is directly opposite to the heating ring, and a sealing ring is configured between the electric control box and the inner wall of the tank.

[0014] As a preferred technical solution of the device of the present invention: the volume mixing ratio of the magnetic material to the adsorption material is not less than 1:8. The monomer volume parameter of the magnetic material is greater than the monomer volume parameter of the adsorption material, the monomer mass parameter of the magnetic material is greater than the monomer mass parameter of the adsorption material, and the specific heat capacity of the magnetic material is greater than the specific heat capacity of the adsorption material.

[0015] As a preferred technical solution of the device of the present invention: the filter hole size of the bottom-side supporting filter plate and the pore size of the air-permeable mesh holes are smaller than the specification size of the adsorption material.

[0016] As a preferred technical solution of the device of the present invention: the air-permeable support piece is provided with a plurality of vertical insertion holes. The electromagnetic rod passes through the vertical insertion holes. The diameter size of the vertical insertion holes is greater than the outer diameter size of the electromagnetic rod, and the diameter size of the vertical insertion holes is smaller than the outer diameter size of the heating ring. Sealing washers are configured at the positions where the bottom ring surface of the heating ring, the heat-conducting resin insertion cylinder and the air-permeable support piece are in extrusion contact.

[0017] As a preferred technical solution of the device of the present invention: an inner column is provided inside the heating ring, and the inner column is hermetically wrapped with an electric wire electrically connected to the electric control box. The electric wire is electrically connected to the electromagnetic module of the electromagnetic rod.

[0018] As a preferred technical solution of the device of the present invention: the height range in which the electromagnetic module is distributed is the same as the height range in which the adsorption material filled in the filler area is distributed.

[0019] The present invention provides a deep purification process for the waste gas generated in the production of a pharmaceutical intermediate, including the following steps:

[0020] In Step 1, all the inlet pipes on the circumferential side of the tank body are opened, and the VOCs waste gas enters the intake cavity.

[0021] In Step 2, the electric control box starts the electric heating ring to preheat the VOCs waste gas entering the intake cavity;

[0022] Among them, let the gas flowmeter monitor the rate of the VOCs waste gas imported into the intake cavity in real time be Vx, and let the electric control box control the real-time heating power of the electric heating ring be Px. Then, the change in the real-time heating power Px is positively correlated with the change in the rate Vx.

[0023] In Step 3, the electric control box controls the electromagnetic module inside the electromagnetic rod to perform pulsed on-off power supply, generating a magnetic attraction on the magnetic material in the packing area, driving the magnetic material, the adsorption material, and the VOCs waste gas entering the filling area to vibrate.

[0024] Among them, let the number of electromagnetic rods be N, the duration of a single power-on of the electric control box for a single electromagnetic module be t, and the duration T consumed by the electric control box to perform one on-off power supply for all electromagnetic modules in sequence be T = n * t.

[0025] Among them, let the intensity of the single power-on current of the electromagnetic module controlled by the electric control box inside the electromagnetic rod be Ix. Then, the change in the current intensity Ix is positively correlated with the change in the rate Vx.

[0026] In Step 4, when the electric control box controls the electromagnetic module to be energized to generate an electromagnetic effect, heat is also generated. The heat is evenly released to the filling area through the heat-conducting resin insert cylinder and the heat-conducting resin skeleton, promoting the activity of the VOCs waste gas in the packing area and improving the absorption efficiency of the adsorption material for the VOCs waste gas.

[0027] In Step 5, after the VOCs waste gas is absorbed and purified by the adsorption material in the packing area, the remaining gas enters the outlet cavity and is discharged from the outlet pipe.

[0028] Compared with the existing technology, the beneficial effects of the present invention are as follows:

[0029] 1. In the present invention, the packing area of the equipment is filled with a mixture of an adsorption material and a magnetic material. The magnetic material vibrates under the action of the electromagnetic module, driving the adsorption material and the waste gas to vibrate, increasing the contact area and contact frequency between the waste gas and the adsorption material. At the same time, the heat generated by the energization of the electromagnetic module is transferred to the packing area through the heat-conducting component, promoting the activity of the VOCs waste gas and improving the absorption efficiency of the adsorption material for the VOCs waste gas, making the waste gas purification more thorough.

[0030] 2. The present invention uses an electromagnetic vibration component to drive the vibration of magnetic materials and adsorption materials. Compared with traditional vibration methods, electromagnetic vibration is achieved by the action of electromagnetic force on magnetic materials. This method will not cause strong mechanical impact on the equipment structure, thus effectively reducing the wear of the equipment and extending the production service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the overall structure of the equipment of the present invention.

[0032] Figure 2 It is a schematic diagram of the disassembly of the components of the equipment of the present invention.

[0033] Figure 3 It is a schematic diagram of the matching structure of the filter purification tank and the packing member in the present invention.

[0034] Figure 4 It is a schematic diagram of the structure of the electromagnetic heating member and the breathable support member in the present invention.

[0035] Figure 5 It is a schematic diagram of the component combination of the electromagnetic heating member, the breathable support member and the packing member in the present invention.

[0036] Figure 6 It is a schematic diagram of the disassembly of the components of the electromagnetic heating member, the breathable support member and the packing member in the present invention.

[0037] Figure 7 It is a schematic diagram of the disassembly of the components of the breathable support member and the packing member in the present invention.

[0038] Figure 8 It is a schematic diagram of the structure of the connection between the equipment of the present invention and the external exhaust gas input pipeline.

[0039] Among them: 1 - filter purification tank, 101 - tank body, 102 - intake cavity, 103 - intake pipe, 104 - outlet cavity, 105 - outlet pipe, 106 - solenoid valve, 107 - sealing cover; 2 - electromagnetic heating member, 201 - electric control box, 202 - electric heating ring, 203 - inner column, 204 - electric wire, 205 - electromagnetic rod, 206 - electromagnetic module; 3 - bottom side support filter plate; 4 - packing member, 401 - heat-conducting resin skeleton, 402 - heat-conducting resin insertion cylinder, 403 - packing area; 5 - breathable support member, 501 - vertical insertion hole, 502 - breathable mesh hole; 6 - adsorption material; 7 - magnetic material; 8 - gas flow meter. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0040] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0041] Example 1. The present invention designs a deep purification device for waste gas in the production of pharmaceutical intermediates. Refer to Figure 1 , Figure 2 , Figure 4 , Figure 7 , which includes a filtration and purification tank 1, an electromagnetic heating element 2, a packing element 4, and a breathable support element 5. The specific details are as follows:

[0042] Filtration and purification tank 1: Refer to Figure 1 , Figure 3 , Figure 8 . As the basic container for waste gas treatment, its interior is finely divided into an intake chamber 102 and an outlet chamber 104. A plurality of intake pipes 103 are closely connected to the intake chamber 102, responsible for introducing the VOCs waste gas to be treated into the tank. The outlet pipe 105 is the discharge channel for the purified gas, ensuring the orderly departure of the purified gas from the device. The gas flow meter 8 installed in the same upstream pipeline accurately monitors the waste gas flow at all times, providing key data support for subsequent treatment processes. The sealing cover 107 installed on the top of the tank body 101 seals the entire treatment space to prevent waste gas leakage. The bottom support filter plate 3 installed in the tank is positioned, and the filter hole size is smaller than the specification size of the adsorption material 6, firmly supporting the adsorption material 6 and effectively preventing the adsorption material 6 from falling during the treatment process. In addition, the number of intake pipes 103 is at least four and they are evenly distributed around the tank body 101. This layout design enables the waste gas to enter the tank more evenly, improving the treatment efficiency. The solenoid valves 106 configured on the intake pipes 103 and the outlet pipe 105 control the entry and exit of the waste gas. The communication port between the intake pipe 103 and the intake chamber 102 is directly opposite to the electric heating ring 202, enabling the waste gas to be quickly preheated by the electric heating ring 202 after entering the tank body 101, laying a good foundation for subsequent purification treatment.

[0043] Packing element 4: Refer to Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 7, which is composed of a heat-conducting resin framework 401. It is like a solid "frame" that provides stable support for the entire filler structure and is located above the bottom-side support filter plate 3. The heat-conducting resin insertion cylinders 402 provided at the framework nodes not only play a role in connection and fixation but also play an important role in the heat transfer process. Except for the inner region of the insertion cylinders, multiple uniformly distributed filler regions 403 are formed between the inner periphery of the framework and the inner wall of the tank body 101. These regions are like "purification small units" filled with a mixture of the adsorption material 6 and the magnetic material 7. Among them, the volume mixing ratio of the magnetic material 7 to the adsorption material 6 is not less than 1:8, and the magnetic material 7 monomers are larger than the adsorption material 6 in terms of volume and mass parameters and have a larger specific heat capacity. This material property enables the magnetic material 7 to drive the adsorption material 6 to vibrate more effectively under the electromagnetic action and perform better in heat transfer and storage, which helps to improve the efficiency and effect of the entire purification process.

[0044] Ventilation support member 5: Refer to Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , which is placed flat on the top of the heat-conducting resin framework 401. The ventilation mesh holes 502 vertically penetrating its surface have a pore size smaller than the specification size of the adsorption material 6, which not only ensures that gas can pass smoothly but also prevents the adsorption material 6 from leaking. The multiple vertical insertion holes 501 opened on the ventilation support member 5 are the "moving tracks" of the electromagnetic rods 205. Their diameters are larger than the outer diameter of the electromagnetic rods 205 and smaller than the outer diameter of the electric heating rings 202. Such a dimension design not only provides sufficient moving space for the electromagnetic rods 205 but also ensures the stability of the entire structure. Sealing gaskets are configured at the positions where the bottom ring surface of the electric heating ring 202, the heat-conducting resin insertion cylinders 402, and the ventilation support member 5 are in extrusion contact, effectively preventing VOCs waste gas from entering the heat-conducting resin insertion cylinders 402 and ensuring that the waste gas purification process is not disturbed.

[0045] Electromagnetic heating member 2: Refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6, which consists of an electric control box 201, a heating ring 202 and an electromagnetic rod 205, is the core power component of the equipment. The electric control box 201 is responsible for controlling the operation of the heating ring 202 and the electromagnetic module 206. The heating ring 202 is fixed below the electric control box 201 and can generate heat after being powered on to preheat the waste gas. The electromagnetic rod 205 is fixed below the heating ring 202 and an electromagnetic module 206 is arranged inside. The inner column 203 inside the heating ring 202 hermetically wraps the electric wire 204 to connect the electric control box 201 with the electromagnetic module 206 of the electromagnetic rod 205 and supply power to the electromagnetic module 206. The distribution height range of the electromagnetic module 206 is the same as the distribution height range of the adsorption material 6 in the packing area 403, ensuring that the magnetic field and heat generated by the electromagnetic module 206 can fully act on the packing area 403 to achieve effective treatment of the magnetic material 7, the adsorption material 6 and the waste gas.

[0046] Embodiment 2: The present invention adopts a deep purification process for the waste gas generated in the production of a pharmaceutical intermediate, and the specific process is as follows:

[0047] Step 1: When the equipment is started, the solenoid valves 106 on all the intake pipes 103 on the circumferential side of the tank body 101 are opened simultaneously. Under the action of pressure, the VOCs waste gas enters the intake cavity 102 orderly along the intake pipes 103 to prepare for the subsequent purification treatment.

[0048] Step 2: The electric control box 201 issues an instruction to start the heating ring 202, and the heating ring 202 starts to work to preheat the VOCs waste gas entering the intake cavity 102. During this process, the gas flow meter 8 monitors the waste gas rate Vx in real time. The electric control box 201 linearly controls the real-time heating power Px of the heating ring 202 according to this data according to the relationship of Px ∝ Vx. That is to say, when the waste gas flow is large, the electric control box 201 will automatically increase the heating power of the heating ring 202 to provide more heat for preheating the waste gas; on the contrary, when the waste gas flow is small, the heating power will also be reduced accordingly. This intelligent control method can ensure that the waste gas can be effectively preheated before entering the subsequent treatment link, improving the overall treatment effect.

[0049] Step 3: The electronic control box 201 sends pulse on-off commands to the electromagnetic module 206 inside the electromagnetic rod 205. Assuming the number of electromagnetic rods 205 is N and the single-time power-on duration of a single electromagnetic module 206 is t, then the duration T consumed for powering on and off all electromagnetic modules 206 one by one in sequence is T = N×t. For example, when the number of electromagnetic rods 205 is 25 and the single-time power-on duration is 10 ms, T = 25×10 ms = 250 ms. Within 1 second, the magnetic attraction of a single electromagnetic module 206 to the surrounding magnetic material 7 is 4 times. Moreover, there are multiple electromagnetic modules 206 around a single filling area 403, and the actual number of magnetic attraction times achieved within 1 second reaches more than a dozen times, and the acting forces are generated from different directions. When vibrating, there can be changes in different orientations, so that the vibration frequency of the adsorption material 6 and the VOCs waste gas entering the filling area 403 is also sufficient. Of course, the on-off frequency of the electromagnetic module 206 can also be proportional to the intake rate of the VOCs waste gas, thereby further improving the vibration effect.

[0050] Meanwhile, the electronic control box 201 controls the single-time power-on current intensity Ix of the electromagnetic module 206 to be proportional to the waste gas rate Vx, that is, the greater the waste gas flow, the greater the current intensity, and the stronger the magnetic attraction generated. When the electromagnetic module 206 is powered on, it generates a magnetic field and exerts a magnetic attraction on the magnetic material 7 in the packing area 403. Under the action of the magnetic field force, the magnetic material 7 vibrates, and then drives the adsorption material 6 mixed with it and the VOCs waste gas in the filling area to vibrate together. This vibration increases the contact area and contact frequency between the waste gas and the adsorption material 6, enabling the pollutants in the waste gas to be more fully captured by the adsorption material 6 and improving the purification efficiency.

[0051] Step 4: When the electromagnetic module 206 generates electromagnetic action during power-on, it will generate additional heat. These heats are evenly transferred to the filling area 403 through the heat-conducting resin insert cylinder 402 and the heat-conducting resin skeleton 401, so that it is not necessary to control the heating ring 202 to provide too much heat. For the electromagnetic module 206, the heat it originally generates is an adverse factor, but it is directly utilized in this position. Since the magnetic material 7 has a large specific heat capacity, it can quickly absorb and store these heats. On the one hand, it reduces the heat absorbed by the adsorption material 6 and avoids affecting the basic adsorption capacity of the adsorption material 6 due to excessive heat. On the other hand, the heat stored in the magnetic material 7 can also provide energy for the activity of the VOCs waste gas, promoting its activity in the packing area 403 and making the waste gas molecules more likely to interact with the adsorption material 6, further improving the absorption efficiency of the adsorption material 6 for the VOCs waste gas.

[0052] Step Five: After being fully absorbed and purified by the adsorption material 6 in the packing area 403, most of the pollutants are removed, and the remaining gas enters the air outlet cavity 104. Finally, these purified gases are discharged from the air outlet pipe 105, completing the entire waste gas purification process and achieving the goal of converting harmful VOCs waste gas into relatively harmless gas.

[0053] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A deep purification device for waste gas from the production of pharmaceutical intermediates, characterized in that: include: A filtering and purifying tank (1), comprising a tank body (101), an air inlet cavity (102) and an air outlet cavity (104) located inside the tank body (101), a plurality of air inlet pipes (103) communicating with the air inlet cavity (102), an air outlet pipe (105) communicating with the air outlet cavity (104), and a sealing cover (107) sealedly mounted on the top of the tank body (101); the plurality of air inlet pipes (103) are connected upstream to a same pipeline equipped with a gas flow meter (8); and a bottom supporting filter plate (3) is positioned and mounted inside the tank body (101); The packing member (4) comprises a heat-conducting resin skeleton (401) positioned and installed in the tank body (101), the heat-conducting resin skeleton (401) being located above the bottom supporting filter plate (3), and heat-conducting resin inserts (402) being provided at the node positions of the heat-conducting resin skeleton (401); In addition to the inner periphery of the heat-conducting resin insert (402), a plurality of uniformly distributed filling areas (403) are formed between the inner periphery of the heat-conducting resin skeleton (401) and the inner wall of the tank body (101), and the filling areas (403) are filled with a mixture of an adsorption material (6) and a magnetic material (7); A breathable support member (5) is placed flat on top of the heat-conducting resin frame (401), and the breathable support member (5) is vertically penetrated by a breathable mesh hole (502) that is in communication with the filler area (403); The electromagnetic heating element (2) comprises an electric control box (201), an electric heating ring (202) fixedly connected to the bottom of the electric control box (201), and an electromagnetic rod (205) fixedly connected to the bottom of the electric heating ring (202); an electromagnetic module (206) is provided inside the electromagnetic rod (205); the electric heating ring (202), the electromagnetic module (206) and the electric control box (201) are electrically connected; and the electromagnetic rod (205) movably penetrates the air-permeable support member (5) and is inserted into the inside of the thermally conductive resin insert (402).

2. The deep purification equipment for waste gas from production of pharmaceutical intermediates according to claim 1, characterized in that: The number of the air inlet pipes (103) is at least four, and the multiple air inlet pipes (103) are evenly distributed around the tank body (101). The air inlet pipes (103) and the air outlet pipes (105) are provided with solenoid valves (106).

3. The deep purification equipment for waste gas from production of pharmaceutical intermediates according to claim 1, characterized in that: The position of the communication port between the air inlet pipe (103) and the air inlet cavity (102) is directly opposite to the electric heating ring (202), and a sealing ring is arranged between the electric control box (201) and the inner wall of the tank body (101).

4. The deep purification equipment for waste gas from production of pharmaceutical intermediates according to claim 1, characterized in that: The volume mixing ratio of the magnetic material (7) to the adsorption material (6) is not less than 1:8, the monomer volume parameter of the magnetic material (7) is greater than the monomer volume parameter of the adsorption material (6), the monomer mass parameter of the magnetic material (7) is greater than the monomer mass parameter of the adsorption material (6), and the specific heat capacity of the magnetic material (7) is greater than the specific heat capacity of the adsorption material (6).

5. The deep purification equipment for waste gas from production of pharmaceutical intermediates according to claim 1, characterized in that: The filter hole size of the bottom supporting filter plate (3) and the aperture size of the air-permeable mesh (502) are smaller than the specification size of the adsorption material (6).

6. The deep purification equipment for waste gas from production of pharmaceutical intermediates according to claim 1, characterized in that: The air permeable support member (5) is provided with a plurality of vertical insertion holes (501), the electromagnetic rod (205) passes through the vertical insertion holes (501), the diameter of the vertical insertion holes (501) is larger than the outer diameter of the electromagnetic rod (205), and the diameter of the vertical insertion holes (501) is smaller than the outer diameter of the electric heating ring (202); Sealing gaskets are arranged at the bottom ring surface of the electric heating ring (202), the heat-conducting resin insert (402) and the extrusion contact position of the air-permeable support member (5).

7. The deep purification equipment for waste gas from production of pharmaceutical intermediates according to claim 1, characterized in that: An inner column (203) is provided inside the electric heating ring (202), and an electric wire (204) electrically connected to the electric control box (201) is sealed and wrapped in the inner column (203), and the electric wire (204) is electrically connected to the electromagnetic module (206) of the electromagnetic rod (205).

8. The deep purification equipment for waste gas from the production of pharmaceutical intermediates according to claim 1 is characterized by: The height range in which the electromagnetic modules (206) are distributed is the same as the height range in which the adsorption material (6) filled in the filler area (403) is distributed.

9. A process for deep purification of waste gas from the production of pharmaceutical intermediates, characterized in that: A pharmaceutical intermediate production waste gas deep purification device according to any one of claims 1 to 8, comprising the following contents: In step 1, all the air inlet pipes (103) on the ring side of the tank body (101) are opened, and the VOCs waste gas enters the air inlet cavity (102); In step 2, the electric control box (201) starts the electric heating ring (202) to preheat the VOCs waste gas entering the air intake chamber (102); Here, the gas flow meter (8) monitors the real-time VOCs waste gas rate introduced into the air intake chamber (102) as Vx, and the electric control box (201) controls the real-time heating power of the electric heating ring (202) as Px, then the change of the real-time heating power Px is positively correlated with the change of the rate Vx; In step three, the electric control box (201) controls the electromagnetic module (206) inside the electromagnetic rod (205) to pulse on and off, thereby magnetically attracting the magnetic material (7) in the filling area (403), thereby driving the magnetic material (7), the adsorption material (6) and the VOCs waste gas entering the filling area to vibrate; Assuming that the number of electromagnetic rods (205) is N, the duration of the electric control box (201) powering on a single electromagnetic module (206) is t, and the duration of the electric control box (201) powering on and powering off all electromagnetic modules (206) one by one in sequence is T=n*t; Wherein, assuming that the single current intensity of the electromagnetic module (206) inside the electromagnetic rod (205) controlled by the electric control box (201) is Ix, the change of the current intensity Ix is positively correlated with the change of the rate Vx; In step 4, when the electric control box (201) controls the electromagnetic module (206) to be energized to generate electromagnetic action, heat is also generated. The heat is evenly released to the filling area through the heat-conducting resin insert (402) and the heat-conducting resin skeleton (401), thereby promoting the activity of VOCs waste gas in the filling area (403) and improving the absorption efficiency of the adsorption material (6) for VOCs waste gas; Step 5: After the VOCs waste gas is absorbed and purified by the adsorption material (6) in the filler area (403), the remaining gas enters the gas outlet cavity (104) and is discharged from the gas outlet pipe (105).

Images