Organic waste gas separation and recovery equipment
By introducing a separation box, condensation device, and heating device into the printing waste gas treatment system, and utilizing nitrogen heating desorption and condensation recovery technology, the problem of difficult organic solvent recovery has been solved, achieving efficient recovery of organic solvents and recycling of resources.
Patent Information
- Application Number
- CN202311204781.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-19
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2043-09-19
AI Technical Summary
In the existing printing organic waste gas treatment process, organic solvents that are easily soluble in water are difficult to recycle, resulting in waste of resources.
A separation box, a condensing device, a heating device and a condensation recovery device are used to perform secondary separation through the first adsorption component and the second adsorption component, and the organic solvent is desorbed by nitrogen heating desorption, and recovered in combination with the condensing device and the condensation recovery device.
It enables efficient recovery and reuse of organic solvents, reduces resource waste, and allows for replacement of adsorption components without shutting down the system, thus maintaining processing efficiency.
Smart Images

Figure CN117258472B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application mainly relates to the technical field of printing waste gas treatment, in particular to an organic waste gas separation and recovery equipment. BACKGROUND
[0002] The printing waste gas usually contains benzene, toluene, xylene, acetone, butanone, lipids, ethers and other highly volatile organic waste gas, and the two-phase suspension formed by the volatilization or atomization of solid materials and solvents is dispersed into the surrounding air, polluting the air.
[0003] The printing organic waste gas treatment process described in the prior art comprises the following steps: S1. dust removal pretreatment, S2. photolysis treatment, S3. filtration treatment; the treatment system applying the treatment process comprises a dust collection water tank, a UV photolysis device and an activated carbon filter, the bottom and the top of the dust collection water tank are respectively connected with a waste gas inlet pipe and a first exhaust pipe, the first exhaust pipe is connected with the gas inlet end of the UV photolysis device, the gas outlet end of the UV photolysis device is connected with the gas inlet end of the activated carbon filter through a second exhaust pipe, and the gas outlet end of the activated carbon is directly connected with the external atmospheric environment.
[0004] The above technology can treat organic waste gas, but the organic waste gas contains organic solvents that are easily soluble in water, which makes it inconvenient to recover and reuse the organic solvents in the mixed liquid, resulting in waste of resources. SUMMARY
[0005] Therefore, the present application aims to provide an organic waste gas separation and recovery equipment to solve the technical problems in the background art.
[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme:
[0007] An organic waste gas separation and recovery equipment, comprising a separation tank, a condensing device, a heating device and a condensing and recovery device, one side bottom of the separation tank is connected with a desorption tank, both sides top of the separation tank are connected with taking tanks, one of the taking tanks is connected with the desorption tank, the inside of the separation tank is provided with a separation cavity, the top end of the separation tank and the side bottom away from the desorption tank are respectively connected with an exhaust pipe and an air inlet pipe, the separation cavity is sequentially provided with a first adsorption assembly and a second adsorption assembly, the first adsorption assembly comprises two mounting plates arranged in an upper and lower staggered manner, fiber activated carbon filter plates are installed in the two mounting plates, a heating cavity, an air outlet cavity and a desorption cavity are sequentially arranged in the desorption tank from bottom to top, the two mounting plates are respectively located in the separation cavity and the desorption cavity, and the two mounting plates are connected by a transmission member at the parallel position.
[0008] The second adsorption assembly comprises a moving plate, both ends of the moving plate extend to the taking box through the side wall of the separation chamber, symmetrically opening installation grooves in the moving plate, granular activated carbon filter plates are arranged in the installation grooves, fixing assemblies are arranged in the both ends of the moving plate for fixing the granular activated carbon filter plates, sealing doors are hingedly arranged on the upper surfaces of the two taking boxes close to the separation box, and connecting assemblies are arranged on the sides of the two taking boxes away from the sealing doors.
[0009] Specifically, the both ends of the two installation plates are fixedly connected with first blocking plates, the transmission member comprises a driving cavity opening between the separation box and the desorption box, a rotating shaft is arranged in the driving cavity, the parallel positions of the two installation plates are located in the driving cavity, gears are arranged on the outer walls of the both ends of the rotating shaft, inner teeth are arranged on the outer sides of the sides of the two installation plates close to the gears, the tooth surfaces of the two gears are in meshing connection with the inner teeth, an electric telescopic cylinder is bolted on the outer wall of the desorption box, and the telescopic end of the electric telescopic cylinder is fixedly connected with the first blocking plate.
[0010] Specifically, the heating cavity is provided with a nitrogen conveying elbow, one end of the nitrogen conveying elbow extends to the outside through the heating cavity, a heating coil is arranged on the nitrogen conveying elbow, and the other end of the nitrogen conveying elbow extends to the gas outlet cavity through the heating cavity.
[0011] Specifically, the side wall of the desorption box is connected with a gas guide pipe at the top, the gas guide pipe is communicated with the desorption cavity, the top wall of the desorption cavity is inclined, the gas guide pipe is connected with the condensing device, and the condensing device, the heating device and the condensing recovery device are sequentially connected.
[0012] Specifically, a driving motor is bolted on the outer wall of one taking box, a lead screw is connected with the output end of the driving motor, one end of the lead screw extends to the other taking box through the side walls of the separation box, second blocking plates are fixedly connected with the both ends of the moving plate, fixed plates are fixedly connected with the sides of the second blocking plates away from the moving plate, and the bottom ends of the two fixed plates are sleeved on the lead screw and threadedly connected.
[0013] Specifically, two particle activated carbon filter plates are provided with plug-in grooves on the side close to the fixing assembly, the fixing assembly comprises cavities provided at both ends of a moving plate, plug-in blocks are arranged in the two cavities, one end of the two plug-in blocks penetrates the cavity wall and is plugged into the plug-in groove, the other end of the two plug-in blocks is fixed with connecting rods, the end portions of the two connecting rods are fixed with vertical plates, the upper surfaces of both ends of the moving plate are provided with moving grooves in communication with the cavities, and magnets are fixed at the top ends of the two vertical plates and penetrate the moving grooves.
[0014] Specifically, guide rods are fixed horizontally in the two moving grooves, the two guide rods penetrate the vertical plates, and reset springs are sleeved on the two guide rods.
[0015] Specifically, the connecting assembly comprises a movable slot provided at the top of the taking box, a limiting plate is arranged at the movable slot at the top of the taking box, a vertical rod is arranged on the limiting plate, a pressing plate and a fixed block are respectively connected to the top end and the bottom end of the vertical rod, a groove is provided in the lower surface of the fixed block, a supporting spring is arranged on the upper surface of the limiting plate and sleeved on the vertical rod.
[0016] Specifically, the lower surface of the limiting plate is in contact with and slidably connected to the top wall of the taking box, the vertical rod is slidably connected to the limiting plate, the pressing plate and the fixed block are fixedly connected to both ends of the vertical rod, the groove is matched with the magnets of the fixing assembly, and the two ends of the supporting spring are fixedly connected to the limiting plate and the pressing plate.
[0017] Specifically, triangular blocks are welded to the inner walls of the two installation grooves, the upper surfaces of the triangular blocks are in contact with the lower surfaces of the particle activated carbon filter plates, sliding grooves are provided in the upper and lower surfaces of the middle section of the moving plate, movable sealing plates are sleeved on the sliding grooves of the moving plate, and the two sides of the movable sealing plates are in contact with the cavity walls of the separation cavities.
[0018] In summary, the present application has the following advantages: the first adsorption assembly and the second adsorption assembly can be used for secondary separation, so that the separation is more sufficient, the organic solvent is desorbed in the form of nitrogen gas heating, which is convenient for recycling and reuse, reduces resource waste, and the first adsorption assembly can be desorbed and the second adsorption assembly can be replaced, realizing non-stop connection and use;
[0019] The organic waste gas generated by package printing enters the separation cavity through the air inlet pipe, is filtered by adsorption of the first adsorption assembly and the second adsorption assembly, and the remaining waste gas is discharged from the air outlet pipe; when the fiber activated carbon filter plate in the first adsorption assembly approaches saturation, the electric telescopic cylinder works to push the mounting plate in the desorption cavity to move into the separation cavity; in the process of movement of the mounting plate, the mounting plate in the separation cavity is driven to move synchronously into the desorption cavity through the inner tooth and the gear, the replacement operation is completed, and the heating coil heats the nitrogen in the nitrogen delivery elbow and blows it to the fiber activated carbon filter plate saturated by adsorption through the through hole, so that the adsorbed organic waste gas is desorbed and enters the condensing device, the heating device and the condensing recovery device in sequence through the air guide pipe to recover the waste gas solvent.
[0020] When the granular activated carbon filter plate in the second adsorption assembly needs to be replaced due to saturation of adsorption, the driving motor works to drive the screw to rotate, the two fixed plates drive the moving plate to move horizontally following the rotation of the screw, so that the granular activated carbon filter plate originally in the separation cavity moves into the taking box, and the granular activated carbon filter plate in the other taking box moves into the separation cavity.
[0021] Then press the connecting assembly to make the groove fit on the magnet, so that the magnet magnetically attracts and fixes the fixed block, move the connecting assembly to drive the fixed assembly to move, cancel the fixation of the granular activated carbon filter plate, finally open the sealing door to take out the granular activated carbon filter plate cancelled from fixation, and replace a new granular activated carbon filter plate. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is a whole structure diagram of the present application;
[0023] Figure 2 It is a front view of the present application;
[0024] Figure 3 It is a Figure 2 enlarged view of A in the present application;
[0025] Figure 4 It is a second adsorption assembly schematic diagram of the present application;
[0026] Figure 5 It is a first adsorption assembly schematic diagram of the present application;
[0027] Figure 6 It is a Figure 5 enlarged view of B in the present application.
[0028] BRIEF DESCRIPTION OF DRAWINGS: 1, separation box; 101, air inlet pipe; 102, separation cavity; 103, exhaust pipe; 104, driving cavity; 2, first adsorption assembly; 201, mounting plate; 2011, fiber activated carbon filter plate; 2012, inner tooth; 202, first blocking plate; 203, gear; 204, rotating shaft; 3, desorption box; 301, heating cavity; 3011, nitrogen gas delivery elbow; 3012, heating coil; 302, air outlet cavity; 303, desorption cavity; 304, through hole; 305, air guide pipe; 4, electric telescopic cylinder; 5, taking box; 501, sealing door; 502, driving motor; 503, screw rod; 6, second adsorption assembly; 601, moving plate; 6011, mounting slot; 6012, triangular block; 602, granular activated carbon filter plate; 6021, plug-in slot; 603, second blocking plate; 604, fixed plate; 605, movable sealing plate; 606, sliding groove; 7, fixed assembly; 701, cavity; 702, plug-in block; 703, connecting rod; 704, vertical plate; 705, moving groove; 7051, guide rod; 7052, return spring; 706, magnet; 8, connecting assembly; 801, movable slot; 802, limiting plate; 803, vertical rod; 8031, fixed block; 8032, groove; 8033, pressing plate; 804, supporting spring; 9, condensing device; 10, heating device; 11, condensing recovery device. EMBODIMENT
[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.
[0030] The embodiments of the present application will be described below according to the overall structure of the present application. EMBODIMENT
[0031] The heating coil 3012, the electric telescopic cylinder 4 and the driving motor 502 in the present application are all controlled by a control panel arranged on the outer wall of a taking box 5, and the condensing device 9, the heating device 10 and the condensing recovery device 11 all adopt prior art. The condensing device 9 condenses the organic gas desorbed into liquid, then the heating device 10 heats the liquid solvent mixed gas according to the boiling points of each mixture in the liquid solvent mixed gas, so that the liquid solvent mixed gas is separated into several gaseous recyclables, and finally the condensing recovery device 11 condenses the several gaseous recyclables into liquid for recovery.
[0032] Please refer to Figure 1 , Figure 2 , Figure 5 and Figure 6The utility model provides an organic waste gas separation and recovery equipment, including separation box 1, condensing device 9, heating device 10 and condensing recovery device 11, one side bottom of separation box 1 is connected with the desorption box 3, and the top of both sides of separation box 1 is connected with the taking box 5, and one taking box 5 is connected with the desorption box 3, and the inside of separation box 1 is equipped with separation chamber 102, and the top of separation box 1 and the bottom of the side away from desorption box 3 are connected with exhaust pipe 103 and air inlet pipe 101 respectively, and first adsorption assembly 2 and second adsorption assembly 6 are sequentially arranged in separation chamber 102, first adsorption assembly 2 includes two upper and lower staggered installation plates 201, and fiber activated carbon filter plate 2011 is installed in two installation plates 201, heating chamber 301, gas outlet chamber 302 and desorption chamber 303 are sequentially arranged in desorption box 3 from bottom to top, and two installation plates 201 are located in separation chamber 102 and desorption chamber 303 respectively, and two installation plates 201 are connected through transmission part at parallel position,
[0033] The both ends of two installation plates 201 are fixedly connected with first blocking plate 202, and the transmission part includes drive cavity 104 arranged between separation box 1 and desorption box 3, drive cavity 104 is provided with rotating shaft 204, and the parallel position of two installation plates 201 is located in drive cavity 104, gear 203 is installed on the outer wall of both ends of rotating shaft 204, inner tooth 2012 is arranged on the outer side of one side of two installation plates 201 close to gear 203, the tooth surface of two gears 203 is connected with inner tooth 2012 in meshing connection, and electric telescopic cylinder 4 is bolted on the outer wall of desorption box 3, and the telescopic end of electric telescopic cylinder 4 is fixedly connected with first blocking plate 202 penetrating desorption box 3,
[0034] Heating chamber 301 is provided with nitrogen gas delivery elbow 3011, one end of nitrogen gas delivery elbow 3011 extends to the outside penetrating heating chamber 301, heating coil 3012 is sleeved on nitrogen gas delivery elbow 3011, and the other end of nitrogen gas delivery elbow 3011 extends to gas outlet chamber 302 penetrating heating chamber 301, gas outlet chamber 302 is communicated with desorption chamber 303 through the through hole 304, the top of the side wall of desorption box 3 is connected with gas guide pipe 305, gas guide pipe 305 is communicated with desorption chamber 303, the top wall of desorption chamber 303 is arranged as an inclined plane, and gas guide pipe 305 is connected with condensing device 9, and condensing device 9, heating device 10 and condensing recovery device 11 are sequentially connected.
[0035] The organic waste gas generated by packaging printing enters the separation cavity 102 through the air inlet pipe 101, passes through the first adsorption assembly 2, the fiber activated carbon filter plate 2011 adsorbs the passing organic waste gas, the first filtered waste gas floats upward and then passes through the second adsorption assembly 6 for secondary adsorption, and finally the waste gas is discharged through the air outlet pipe 103. When the fiber activated carbon filter plate 2011 in the first adsorption assembly 2 is saturated and needs to be desorbed, the staff starts the heating coil 3012 and the electric telescopic cylinder 4 through the control panel, and the nitrogen source connected to the nitrogen conveying elbow 3011 sends nitrogen into the nitrogen conveying elbow 3011, which is heated by the heating coil 3012 and then enters the air outlet cavity 302, and finally blows into the desorption cavity 303 from the through hole 304;
[0036] At this time, the mounting plate 201 in the desorption cavity 303 moves into the separation cavity 102 under the push of the electric telescopic cylinder 4, and the moving inner spline 2012 drives the meshing gear 203 to rotate. The rotating gear 203 moves the mounting plate 201 in the separation cavity 102 into the desorption cavity 303 under the action of the inner spline 2012 opened in the other mounting plate 201, until the first blocking plate 202 at both ends of the two mounting plates 201 respectively tightly contacts with the inner wall of the separation cavity 102 and the inner wall of the desorption cavity 303, the replacement of the first adsorption assembly 2 is completed, and the entering organic waste gas can be adsorbed and filtered by the upper second adsorption assembly 6 during the replacement process. After the replacement is completed, the heated nitrogen gas desorbs the saturated fiber activated carbon filter plate 2011, the desorbed gas enters the condensing device 9, the heating device 10 and the condensing recovery device 11 in sequence through the gas guide pipe 305 to recover the waste gas solvent, so that the first adsorption assembly 2 and the second adsorption assembly 6 can perform secondary separation, so that the separation is more sufficient. The desorption of the organic solvent by nitrogen heating facilitates the recycling and reuse, and reduces the waste of resources.
[0037] Please refer to Figure 1 、 Figure 2 and Figure 4 , the second adsorption assembly 6 includes a moving plate 601, both ends of the moving plate 601 extend into the taking box 5 through the side wall of the separation cavity 102, and the moving plate 601 is symmetrically provided with a mounting through slot 6011, and the two mounting through slots 6011 are provided with a granular activated carbon filter plate 602. The both ends of the moving plate 601 are provided with a fixing assembly 7 for fixing the granular activated carbon filter plate 602, and the upper surfaces of the two taking boxes 5 are hingedly provided with a sealing door 501 near the separation box 1, and the side of the two taking boxes 5 located on the sealing door 501 is provided with a connecting assembly 8, and the two connecting assemblies 8 are matched with the fixing assembly 7.
[0038] The bottom of the inner wall of each installation groove 6011 is welded with a triangular block 6012, the upper surface of each triangular block 6012 is in contact with the lower surface of the granular activated carbon filter plate 602, the upper and lower surfaces of the middle section of the moving plate 601 are provided with sliding grooves 606, and the moving plate 601 is sleeved with a movable sealing plate 605 at the sliding grooves 606, and the two sides of the movable sealing plate 605 are in contact with the cavity walls of the separation cavity 102;
[0039] One outer wall of the taking box 5 is bolted with a driving motor 502, the output end of the driving motor 502 is connected with a lead screw 503, one end of the lead screw 503 penetrates through the two side walls of the separation box 1 and extends into the other taking box 5, the two ends of the moving plate 601 are fixedly connected with second sealing plates 603, the sides away from the moving plate 601 of the two second sealing plates 603 are fixedly connected with fixed plates 604, and the bottom ends of the two fixed plates 604 are sleeved on the lead screw 503 and threadedly engaged.
[0040] When the granular activated carbon filter plate 602 in the second adsorption assembly 6 in the separation cavity 102 adsorbs organic waste gas for a long time, the adsorption effect needs to be replaced regularly to avoid reduction, at this time, the staff starts the driving motor 502 to work through the control panel, the output end of the driving motor 502 drives the lead screw 503 to rotate, the rotating lead screw 503 makes the two fixed plates 604 move horizontally under the limitation of the moving plate 601, the moving moving plate 601 drives the two granular activated carbon filter plates 602 to move, so that the granular activated carbon filter plate 602 in the separation cavity 102 moves into the taking box 5, and the granular activated carbon filter plate 602 in the other taking box 5 moves into the separation cavity 102, when the movable sealing plate 605 moves with the moving plate 601 and contacts the cavity wall of the other separation cavity 102, a certain sliding is carried out along the sliding groove 606, so as to facilitate the sealing effect, at the same time, the two second sealing plates 603 are in close contact with the inner walls of the two taking boxes 5, respectively, replacement is completed, and the replacement of the first adsorption assembly 2 and the second adsorption assembly 6 is carried out separately, so as to realize the operation of non-stop replacement and avoid affecting the efficiency.
[0041] Please refer to Figure 2 and Figure 3Two granular activated carbon filter plates 602 are provided with plug-in grooves 6021 on the side close to the fixed assembly 7, the fixed assembly 7 comprises cavities 701 provided at both ends of the moving plate 601, both cavities 701 are provided with plug-in blocks 702, one end of both plug-in blocks 702 penetrates the cavity wall of the cavity 701 and is plugged into the plug-in groove 6021, the other end of both plug-in blocks 702 is fixedly connected with connecting rods 703, the end portions of both connecting rods 703 are fixedly connected with vertical plates 704, the upper surfaces of both ends of the moving plate 601 are provided with moving grooves 705 in communication with the cavities 701, the top ends of both vertical plates 704 are fixedly connected with magnets 706 through the moving grooves 705, both moving grooves 705 are transversely fixedly connected with guide rods 7051, both guide rods 7051 penetrate the vertical plates 704, and both guide rods 7051 are sleeved with return springs 7052, both ends of both return springs 7052 are fixedly connected with the groove walls of the moving grooves 705 and the outer walls of the vertical plates 704;
[0042] The connecting assembly 8 comprises a movable through groove 801 provided at the top of the taking box 5, the top of the taking box 5 is provided with a limiting plate 802 at the movable through groove 801, the limiting plate 802 is provided with a vertical rod 803, the top end and the bottom end of the vertical rod 803 are connected with a pressing plate 8033 and a fixed block 8031 respectively, the lower surface of the fixed block 8031 is provided with a groove 8032, the limiting plate 802 is provided with a supporting spring 804 on the upper surface, the supporting spring 804 is sleeved on the vertical rod 803, the lower surface of the limiting plate 802 is in contact with and slidably connected with the top wall of the taking box 5, the vertical rod 803 is slidably connected with the limiting plate 802, the pressing plate 8033 and the fixed block 8031 are fixedly connected with both ends of the vertical rod 803, the groove 8032 is matched with the magnets 706 of the fixed assembly 7, the inner wall of the groove 8032 is fixedly connected with an iron sheet for magnetic attraction with the magnets 706, both ends of the supporting spring 804 are fixedly connected with the limiting plate 802 and the pressing plate 8033.
[0043] When the granular activated carbon filter plate 602 that needs to be replaced is moved into the taking box 5, the staff manually presses the pressing plate 8033 in the connecting assembly 8, the pressing plate 8033 drives the vertical rod 803 to move downward and extrude the supporting spring 804, the vertical rod 803 moves downward along the limiting plate 802 and drives the fixed block 8031 at the bottom to move downward, the groove 8032 formed in the fixed block 8031 is sleeved on the magnet 706 in the fixing assembly 7, so that the magnet 706 is connected with the fixed block 8031, then the pressing plate 8033 is moved transversely, the pressing plate 8033 drives the vertical rod 803 to move along the movable slot 801, the vertical rod 803 moves the magnet 706 through the fixed block 8031, the magnet 706 moves the vertical plate 704 along the moving slot 705 on the guide rod 7051 and extrudes the reset spring 7052, the vertical plate 704 moves the plug-in block 702 through the connecting rod 703, so that the plug-in block 702 is separated from the plug-in slot 6021 and moves into the cavity 701, the fixing of the granular activated carbon filter plate 602 is cancelled, at this time, the original granular activated carbon filter plate 602 is taken out and replaced with a new granular activated carbon filter plate 602 by opening the sealing door 501, finally, the pressing plate 8033 is loosened, the vertical plate 704 is reset under the elasticity of the reset spring 7052, the vertical plate 704 drives the vertical rod 803 to reset through the magnet 706 and the fixed block 8031, the fixed block 8031 is separated from the magnet 706 by pulling the pressing plate 8033 upward again, and the elasticity of the supporting spring 804 makes the pressing plate 8033 and the vertical rod 803 return to the original position, so that the granular activated carbon filter plate 602 is disassembled and assembled.
[0044] The working principle of the present application is that:
[0045] The organic waste gas generated by packaging printing enters the separation cavity 102 through the air inlet pipe 101, passes through the first adsorption assembly 2, the fiber activated carbon filter plate 2011 adsorbs the passing organic waste gas, the first filtered waste gas floats upward and then passes through the second adsorption assembly 6 for secondary adsorption, and finally the waste gas is discharged through the exhaust pipe 103, when the fiber activated carbon filter plate 2011 in the first adsorption assembly 2 is saturated and needs to be desorbed, the staff starts the heating coil 3012 and the electric telescopic cylinder 4 through the control panel, at the same time, the nitrogen source connected with the nitrogen conveying elbow 3011 sends nitrogen into the nitrogen conveying elbow 3011, and after heating treatment through the heating coil 3012, the nitrogen enters the air outlet cavity 302, and finally is blown into the desorption cavity 303 from the through hole 304.
[0046] At this time, the mounting plate 201 in the desorption cavity 303 is moved into the separation cavity 102 under the push of the electric telescopic cylinder 4, and the inner tooth 2012 in movement drives the meshing gear 203 to rotate. The rotating gear 203 moves the mounting plate 201 in the separation cavity 102 into the desorption cavity 303 under the action of the inner tooth 2012 in another mounting plate 201, until the first sealing plate 202 at both ends of the two mounting plates 201 respectively tightly contacts with the inner wall of the separation cavity 102 and the inner wall of the desorption cavity 303, the replacement of the first adsorption assembly 2 is completed, and the organic waste gas entering in the replacement process can be adsorbed and filtered by the second adsorption assembly 6 above. After the replacement is completed, the saturated fiber activated carbon filter plate 2011 is subjected to desorption treatment by the heated nitrogen, and the desorbed gas enters the condensing device 9, the heating device 10 and the condensing recovery device 11 in sequence through the gas guide pipe 305 to recover the waste gas solvent;
[0047] When the granular activated carbon filter plate 602 in the second adsorption assembly 6 in the separation cavity 102 adsorbs the organic waste gas for a long time, it is necessary to replace it regularly to avoid the reduction of adsorption effect. At this time, the staff starts the driving motor 502 to work through the control panel, the output end of the driving motor 502 drives the screw rod 503 to rotate, the rotating screw rod 503 makes the two fixed plates 604 move transversely under the limitation of the moving plate 601, the moving moving plate 601 drives the two granular activated carbon filter plates 602 to move, so that the granular activated carbon filter plate 602 in the separation cavity 102 moves into the taking box 5, and the granular activated carbon filter plate 602 in the other taking box 5 moves into the separation cavity 102. When the movable sealing plate 605 moves with the moving plate 601 and contacts the cavity wall of the other side of the separation cavity 102, a certain sliding along the sliding groove 606 is carried out to facilitate the sealing effect, and the two second sealing plates 603 respectively tightly contact with the inner walls of the two taking boxes 5, the replacement is completed;
[0048] Then the staff manually presses the pressing plate 8033 in the connecting assembly 8, the pressing plate 8033 drives the vertical rod 803 to move downward and extrude the supporting spring 804, the downward vertical rod 803 drives the fixed block 8031 at the bottom end to move downward along the limiting plate 802, the groove 8032 opened in the fixed block 8031 is sleeved on the magnet 706 in the fixed assembly 7, so that the magnet 706 is connected with the fixed block 8031, then the pressing plate 8033 is moved transversely, the pressing plate 8033 drives the vertical rod 803 to move along the movable slot 801, the moving vertical rod 803 drives the magnet 706 to move through the fixed block 8031, the moving magnet 706 drives the vertical plate 704 to move along the moving slot 705 on the guide rod 7051 and extrude the reset spring 7052, the moving vertical plate 704 drives the plug-in block 702 to move through the connecting rod 703, so that the plug-in block 702 moves out of the plug-in slot 6021 and moves into the cavity 701, the fixing of the granular activated carbon filter plate 602 is cancelled, at this time, the original granular activated carbon filter plate 602 is taken out and replaced with a new granular activated carbon filter plate 602 by opening the sealing door 501, finally, the pressing plate 8033 is loosened, the vertical plate 704 is reset under the elasticity of the reset spring 7052, the vertical plate 704 drives the vertical rod 803 to reset through the magnet 706 and the fixed block 8031, the fixed block 8031 is separated from the magnet 706 by pulling up the pressing plate 8033 again, the elasticity of the supporting spring 804 makes the pressing plate 8033 and the vertical rod 803 return to the original position, the disassembly and assembly of the granular activated carbon filter plate 602 are completed.
[0049] Although the embodiments of the present application have been shown and described, the specific embodiments are merely illustrative of the present application, and are not intended to limit the present application, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and those skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification, but as long as they are within the scope of the claims of the present application, they are protected by the patent law.
Claims
1. An organic waste gas separation and recovery device, comprising a separation box (1), a condensing device (9), a heating device (10) and a condensation recovery device (11), characterized in that The bottom of one side of the separation box (1) is connected to a desorption box (3), and the tops of both sides of the separation box (1) are connected to take-up boxes (5), one of the take-up boxes (5) is connected to the desorption box (3), and a separation chamber (102) is provided inside the separation box (1), and the top of the separation box (1) and the bottom of the side away from the desorption box (3) are respectively connected to an exhaust pipe (103) and an intake pipe (101), and the separation chamber (102) is provided with a first adsorption component (2) and a second adsorption component in sequence. (6), the first adsorption assembly (2) includes two mounting plates (201) arranged in an upper and lower staggered manner, and a fiber activated carbon filter plate (2011) is installed in each of the two mounting plates (201), and the desorption box (3) is provided with a heating chamber (301), an air outlet chamber (302) and a desorption chamber (303) in sequence from bottom to top, and the two mounting plates (201) are respectively located in the separation chamber (102) and the desorption chamber (303), and the two mounting plates (201) are connected in parallel through a transmission member; The second adsorption component (6) includes a movable plate (601), both ends of the movable plate (601) pass through the side wall of the separation chamber (102) and extend into the retrieval box (5), and the movable plate (601) is symmetrically provided with mounting grooves (6011), and the two mounting grooves (6011) are provided with granular activated carbon filter plates (602), and both ends of the movable plate (601) are provided with fixing components (7) for fixing the granular activated carbon filter plates (602), and the upper surfaces of the two retrieval boxes (5) are hingedly installed with sealing doors (501) near the separation box (1), and the two retrieval boxes (5) are provided with connecting components (8) on one side of the sealing door (501), and the two connecting components (8) are matched with the fixing components (7); The two granular activated carbon filter plates (602) are provided with a plug-in slot (6021) on one side close to the fixed component (7), and the fixed component (7) includes a cavity (701) provided at both ends of the movable plate (601), and a plug-in block (702) is provided in each of the two cavities (701), and one end of each of the two plug-in blocks (702) passes through the cavity wall of the cavity (701) and is plugged into the plug-in slot (6021), and a connecting rod (703) is fixed to the other end of each of the two plug-in blocks (702), and a vertical plate (704) is fixed to the end of each of the two connecting rods (703), and a movable slot (705) communicating with the cavity (701) is provided on the upper surface of both ends of the movable plate (601), and a magnet (706) is fixed to the top of each of the two vertical plates (704) through the movable slot (705); A guide rod (7051) is transversely fixed in the two movable grooves (705), and the two guide rods (7051) both penetrate the vertical plate (704). A return spring (7052) is sleeved on the two guide rods (7051), and both ends of the two return springs (7052) are fixedly connected to the groove wall of the movable groove (705) and the outer wall of the vertical plate (704).
2. The organic waste gas separation and recovery equipment according to claim 1, characterized in that: Both ends of the two mounting plates (201) are fixedly connected to a first blocking plate (202); the transmission member comprises a driving chamber (104) provided between the separation box (1) and the desorption box (3); a rotating shaft (204) is provided in the driving chamber (104); parallel portions of the two mounting plates (201) are located in the driving chamber (104); gears (203) are installed on the outer walls of both ends of the rotating shaft (204); inner teeth (2012) are provided on the outer sides of one side of the two mounting plates (201) close to the gear (203); the tooth surfaces of the two gears (203) are meshed with the inner teeth (2012); an electric telescopic cylinder (4) is bolted to the outer wall of the desorption box (3); the telescopic end of the electric telescopic cylinder (4) passes through the desorption box (3) and is fixedly connected to the first blocking plate (202).
3. The organic waste gas separation and recovery equipment according to claim 1, characterized in that: A nitrogen delivery elbow (3011) is provided in the heating chamber (301), one end of the nitrogen delivery elbow (3011) passes through the heating chamber (301) and extends to the outside, a heating coil (3012) is sleeved on the nitrogen delivery elbow (3011), and the other end of the nitrogen delivery elbow (3011) passes through the heating chamber (301) and extends into the gas outlet chamber (302), and the gas outlet chamber (302) is communicated with the desorption chamber (303) via a through hole (304) provided therein.
4. The organic waste gas separation and recovery equipment according to claim 1, characterized in that: An air guide pipe (305) is connected to the top of the side wall of the desorption box (3), the air guide pipe (305) is communicated with the desorption chamber (303), the top wall of the desorption chamber (303) is arranged as an inclined surface, and the air guide pipe (305) is connected to the condensation device (9), and the condensation device (9), the heating device (10) and the condensation recovery device (11) are connected in sequence.
5. The organic waste gas separation and recovery equipment according to claim 1, characterized in that: A driving motor (502) is bolted to the outer wall of one of the picking boxes (5), and the output end of the driving motor (502) is connected to a screw rod (503). One end of the screw rod (503) passes through the two side walls of the separation box (1) and extends to the inside of the other picking box (5). Both ends of the movable plate (601) are fixedly connected to a second blocking plate (603), and the two second blocking plates (603) are fixedly connected to a fixed plate (604) on a side away from the movable plate (601). The bottom ends of the two fixed plates (604) are both sleeved on the screw rod (503) and threadedly engaged.
6. The organic waste gas separation and recovery equipment according to claim 1, characterized in that: The connecting assembly (8) includes a movable through slot (801) provided on the top of the taking box (5); a limiting plate (802) is provided on the top of the taking box (5) at the movable through slot (801); a vertical rod (803) is passed through the limiting plate (802); the top and bottom ends of the vertical rod (803) are respectively connected to a pressing plate (8033) and a fixing block (8031); a groove (8032) is provided on the lower surface of the fixing block (8031); a supporting spring (804) is provided on the upper surface of the limiting plate (802); and the supporting spring (804) is sleeved on the vertical rod (803).
7. The organic waste gas separation and recovery equipment according to claim 6, characterized in that: The lower surface of the limiting plate (802) contacts and is slidably connected to the top wall of the taking box (5); the vertical rod (803) is slidably connected to the limiting plate (802); the pressing plate (8033) and the fixing block (8031) are fixedly connected to both ends of the vertical rod (803); the groove (8032) matches the magnet (706) provided in the fixing assembly (7); and the two ends of the supporting spring (804) are fixedly connected to the limiting plate (802) and the pressing plate (8033), respectively.
8. The organic waste gas separation and recovery equipment according to claim 1, characterized in that: The bottom of the inner wall of the two mounting grooves (6011) is welded with a triangular block (6012), and the upper surface of each triangular block (6012) is in contact with the lower surface of the granular activated carbon filter plate (602). The upper and lower surfaces of the middle section of the movable plate (601) are provided with a sliding groove (606), and the movable plate (601) is provided with a movable sealing plate (605) at the sliding groove (606), and the two sides of the movable sealing plate (605) are in contact with the cavity wall of the separation cavity (102).
Citation Information
Patent Citations
Activated carbon adsorption purification equipment for organic waste gas treatment
CN213433719U
Volatile organic compounds remover with continuous adsorption and regeneration functions
KR1020130011397A
Cited By
A waste organic solvent recovery device based on environmental protection engineering
CN122582723A