Movable integrated VOC (volatile organic compound) treatment device
By designing a VOC treatment device with a multi-stage condensation and forced control board, combined with annular activated carbon filter element and a frequency inverter fan, the existing VOCs treatment device has poor sealing and short adsorbent cycles have been solved, and efficient VOCs gas condensation and adsorption are achieved. Ensure unorganized emissions and complete recycling.
Patent Information
- Application Number
- CN202420966531.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-07
AI Technical Summary
The existing VOCs gas treatment devices have problems such as poor sealing, single condensation process control and poor adaptability, limited adsorbent capacity and short operating cycle.
A movable integrated VOC treatment device including a gas collector, a multi-stage condenser, an activated carbon filter element adsorber and a variable frequency induced fan was designed. The condenser effect was improved through multi-stage condensation and forced control boards. The activated carbon filter element was used to enter and exit the inside. The operating mode and annular cavity structure enhance the adsorption effect, the frequency inverter fan prevents gas leakage, and the vacuum insulating condensate collection bag prevents secondary volatility.
It improves the condensation effect and adsorption capacity of VOCs gas, prevents gas leakage, extends the service life of adsorbents, realizes unorganized emissions and complete recycling, and miniaturizes, modularizes and intelligent controls of the device.
Smart Images
Figure CN222196441U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to a gas purification device, in particular to a movable integrated VOC treatment device. Background Art
[0002] VOCs organic gas is usually composed of hydrocarbons, oxygen-containing organic compounds, halogenated hydrocarbons, nitrogen-containing organic compounds, sulfur-containing organic compounds, etc. VOCs mainly come from coal chemical industry, petrochemical industry, fuel coating manufacturing, solvent manufacturing and use, etc. At present, the treatment principle for VOCs gas unorganized emissions in China is condensation + adsorption, that is, the temperature of the condenser is controlled according to the dew point temperature of each component of VOCs gas, and the VOCs gas is condensed into liquid during the condensation process, and collected and centrally disposed of. During the condensation process, the VOCs gas that cannot be condensed is adsorbed by activated carbon, but this process has some defects: First, the device adopts a positive pressure process, resulting in poor sealing of the device, and trace VOCs gas will return to the environment; second, the condensation process control is single and the adaptability is poor; third, the adsorbent capacity is limited and the operation cycle is short. Summary of the invention
[0003] The utility model provides a movable integrated VOC treatment device to solve the deficiencies of the prior art.
[0004] The utility model discloses a movable integrated VOC treatment device, comprising a gas collector, a multi-stage condenser, an activated carbon filter element adsorber and a variable frequency induced draft fan, wherein an air outlet I at a lower portion of the gas collector is connected to an air inlet II at a lower portion of the multi-stage condenser through an antistatic woven tube, an air outlet II at an upper portion of the multi-stage condenser is connected to an air inlet III at a lower portion of the activated carbon filter element adsorber through a pipeline, and an air outlet III at an upper portion of the activated carbon filter element adsorber is connected to an air inlet end of the variable frequency induced draft fan through a pipeline.
[0005] As a further improvement of the utility model, a transverse partition I is provided on the upper part of the inner wall of the multi-stage condenser to divide it into an upper control chamber and a lower condensation chamber, a controller is provided in the control chamber, a vertical partition is provided at the bottom end of the transverse partition I to divide the condensation chamber into a primary condensation chamber and a secondary condensation chamber, a flow hole is opened at the upper end of the vertical partition, a primary condensation tube is provided in the primary condensation chamber, and a vacuum insulated condensate collection bag I is provided at the bottom, a secondary condensation tube is provided in the secondary condensation chamber, and a vacuum insulated condensate collection bag II is provided at the bottom, the upper ends of the primary condensation tube and the secondary condensation tube respectively pass through the transverse partition I and are electrically connected to the controller; the air inlet II at the lower part of the primary condensation chamber is connected to the air outlet I at the lower part of the gas collector through an anti-static woven tube, and the air outlet II at the upper part of the secondary condensation chamber is connected to the air inlet III at the lower part of the activated carbon filter element adsorber through a pipeline.
[0006] As a further improvement of the utility model, a vertical downward forced control plate is provided in the secondary condensation chamber, close to the vertical partition, and a gap is left between the lower end of the forced control plate and the upper end of the vacuum insulation condensate collection bag II.
[0007] As a further improvement of the utility model, a transverse partition II is provided at the lower part of the inner wall of the activated carbon filter element adsorber to separate it into an upper filter chamber and a lower gas distribution chamber, and a plurality of air outlet holes are evenly distributed on the transverse partition II, and an activated carbon filter element is provided on the air outlet holes; the air inlet III of the gas distribution chamber is connected to the air outlet II at the upper part of the secondary condensation chamber through a pipeline.
[0008] As a further improvement of the present utility model, the activated carbon filter element is composed of an outer skeleton, an inner skeleton and activated carbon. The inner skeleton is placed inside the outer skeleton and forms an annular cavity with it. The two ends of the annular cavity are sealed with end covers respectively, and the activated carbon is placed in the annular cavity; an outer filter screen is fixed on the circumference of the inner wall of the outer skeleton, and an inner filter screen is fixed on the circumference of the outer wall of the inner skeleton.
[0009] The utility model discloses a movable integrated VOC treatment device with reasonable structural design. The arrangement of the forced control panel can ensure that VOCs can enter from the bottom of the secondary condensation chamber and flow out from the top, thereby improving the condensation effect. The activated carbon filter element adopts the inside-in and outside-out operation mode, thereby ensuring that all the VOCs gases to be treated are adsorbed and retained by the activated carbon adsorption layer, and there are no local overload and short-flow problems. At the same time, the selected activated carbon pore size can cover the molecular diameter of the VOCs gas component, thereby enhancing the adsorption effect and the pollution holding capacity. The arrangement of the variable frequency induced draft fan can prevent the leakage of VOCs gas. The design of the vacuum insulated condensate collection bag can prevent secondary volatilization. The device is miniaturized and modularized as a whole, easy to transport, and can be recycled thoroughly without secondary pollution or condensation. It has intelligent digital control and clear data status. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a structural sectional view of the utility model;
[0011] Figure 2 for Figure 1 Enlarged view of point A in the middle. DETAILED DESCRIPTION
[0012] The utility model discloses a movable integrated VOC treatment device, comprising a gas collector 1, a multi-stage condenser 2, an activated carbon filter element adsorber 3 and a variable frequency induced draft fan 4; a transverse partition Ⅰ6 is provided on the upper inner wall of the multi-stage condenser 2 to divide it into an upper control chamber 7 and a lower condensation chamber, a controller is provided in the control chamber 7, a vertical partition 8 is provided at the bottom end of the transverse partition Ⅰ6 to divide the condensation chamber into a primary condensation chamber 9 and a secondary condensation chamber 10, a flow hole is opened at the upper end of the vertical partition 8, a primary condensation tube 11 is provided in the primary condensation chamber 9, and a vacuum insulated condensate collection bag Ⅰ12 is provided at the bottom, and a secondary condensation tube 13 is provided in the secondary condensation chamber 10, and a vacuum insulated condensate collection bag Ⅰ13 is provided at the bottom. Bag II 14, the upper ends of the first-level condensation tube 11 and the second-level condensation tube 13 respectively penetrate the transverse partition I 6 and are electrically connected to the controller; the lower part of the first-level condensation chamber 9 is provided with an air inlet II which is connected with the air outlet I at the lower part of the gas collector 1 through an anti-static woven tube 5, and the anti-static woven tube 5 can eliminate the static electricity caused by VOCs gas during the transportation process; in the second-level condensation chamber 10, a vertical downward forced control plate 20 is provided on one side close to the vertical partition 8, and a gap is left between the lower end of the forced control plate 20 and the upper end of the vacuum insulated condensate collection bag II 14. The setting of the forced control plate 20 can ensure that VOCs enter from the bottom of the second-level condensation chamber 10, thereby improving the condensation effect.
[0013] The activated carbon filter absorber 3 is provided with a transverse partition II 15 at the lower part of the inner wall to divide it into an upper filter chamber 16 and a lower gas distribution chamber 17. An air outlet III is provided in the middle of the filter chamber 16 and is connected to the air inlet end of the variable frequency induced draft fan 4 through a pipeline. An air inlet III is provided at the lower part of the gas distribution chamber 17 and is connected to the air outlet II at the upper part of the secondary condensation chamber 10 through a pipeline; a plurality of air outlet holes 18 are evenly distributed on the transverse partition II 15, and an activated carbon filter 19 is provided on the air outlet hole 18. The activated carbon filter 19 is composed of an outer frame 21, an inner frame 22 and activated carbon 23. An outer filter screen 25 is fixed on the circumference, and an inner filter screen 26 is fixed on the circumference of the outer wall of the inner skeleton 22. The inner skeleton 22 is placed in the outer skeleton 21 and forms an annular cavity with it. Activated carbon 23 is arranged in the annular cavity, and the two ends of the annular cavity are sealed with end caps 24 respectively. The activated carbon filter element 19 is changed from the original stacking type to the filter element type, and the operation mode is inside-in and outside-out, which can ensure that the treated VOCs gas is all adsorbed and retained by the activated carbon adsorption layer, and there is no problem of local overload and short flow. At the same time, the selected activated carbon pore size can cover the molecular diameter of the VOCs gas component, which can enhance the adsorption effect and pollution holding capacity.
[0014] When the utility model is in use, under the negative pressure of the variable frequency induced draft fan 4, the VOCs emitted in an unorganized manner are sucked into the gas collector 1, enter the primary condensation chamber 9 through the antistatic woven tube 5, and remove the steam water in the VOCs gas through the condensation of the primary condensation tube 11. After the steam water is condensed, it is discharged into the vacuum insulation condensate collection bag Ⅰ12 for collection, and the VOCs gas is discharged from the flow holes on the vertical partition 8, and enters from the bottom of the secondary condensation chamber 10 under the action of the forced control board 20. The VOCs gas above the set critical dew point temperature is removed through the condensation of the secondary condensation tube 13, and the VOCs gas below the set critical point temperature flows out from the air outlet Ⅱ at the upper part of the secondary condensation chamber 10, and enters the gas distribution chamber 17 at the lower part of the activated carbon filter element adsorber 3, and the VOCs gas enters the activated carbon filter element 19 through the air outlet 18. The non-methane total hydrocarbon organic gas is fully adsorbed and retained by the activated carbon 23, and the purified VOCs gas is then discharged into the environment through the variable frequency induced draft fan 4.
Claims
1. A mobile integrated VOC treatment device, comprising a gas collector (1), a multi-stage condenser (2), an activated carbon filter element adsorber (3) and a variable frequency induced draft fan (4), Features The gas outlet I at the bottom of the gas collector (1) is connected to the gas inlet II at the bottom of the multi-stage condenser (2) through an anti-static woven tube (5); the gas outlet II at the top of the multi-stage condenser (2) is connected to the gas inlet III at the bottom of the activated carbon filter element adsorber (3) through a pipeline; the gas outlet III at the top of the activated carbon filter element adsorber (3) is connected to the gas inlet end of the variable frequency induced draft fan (4) through a pipeline.
2. A mobile integrated VOC treatment device according to claim 1, Features The multi-stage condenser (2) is provided with a transverse partition I (6) at the upper part of the inner wall thereof to divide it into an upper control chamber (7) and a lower condensation chamber, wherein a controller is provided in the control chamber (7), and a vertical partition (8) is provided at the bottom end of the transverse partition I (6) to divide the condensation chamber into a primary condensation chamber (9) and a secondary condensation chamber (10), and a flow hole is provided at the upper end of the vertical partition (8), and a primary condensation pipe (11) is provided in the primary condensation chamber (9), and a vacuum insulated condensate collection bag I (12) is provided at the bottom, and the secondary condensation chamber (10) is provided with a secondary condenser (13) and a vacuum insulated condensate collection bag II (14) at the bottom. The upper ends of the primary condenser (11) and the secondary condenser (13) respectively pass through the transverse partition I (6) and are electrically connected to the controller; the air inlet II at the lower part of the primary condenser chamber (9) is connected to the air outlet I at the lower part of the gas collector (1) through the anti-static woven tube (5), and the air outlet II at the upper part of the secondary condenser chamber (10) is connected to the air inlet III at the lower part of the activated carbon filter element adsorber (3) through a pipeline.
3. A mobile integrated VOC treatment device according to claim 2, Its characteristic is that A forced control plate (20) is provided vertically downward in the secondary condensation chamber (10) near the vertical partition (8), and a gap is left between the lower end of the forced control plate (20) and the upper end of the vacuum insulation condensate collection bag II (14).
4. A mobile integrated VOC treatment device according to claim 1, Features The activated carbon filter absorber (3) is provided with a transverse partition II (15) at the lower part of the inner wall to divide it into an upper filter chamber (16) and a lower gas distribution chamber (17); a plurality of air outlet holes (18) are evenly distributed on the transverse partition II (15), and an activated carbon filter (19) is provided on the air outlet holes (18); the air inlet III of the gas distribution chamber (17) is connected to the air outlet II at the upper part of the secondary condensation chamber (10) through a pipeline.
5. A mobile integrated VOC treatment device according to claim 4, Features The activated carbon filter element (19) is composed of an outer frame (21), an inner frame (22) and activated carbon (23); the inner frame (22) is placed inside the outer frame (21) to form an annular cavity with the outer frame (21); the two ends of the annular cavity are sealed with end caps (24); the activated carbon (23) is placed inside the annular cavity; an outer filter screen (25) is fixed on the circumference of the inner wall of the outer frame (21); and an inner filter screen (26) is fixed on the circumference of the outer wall of the inner frame (22).