VOCs organic waste gas sample collector
By using a dual filtration system of filter mesh and activated carbon core in the VOCs organic exhaust gas sample collector, the problem of impurities brought in during the collection process is solved, and the protection of the inner wall of the Suma tank and the effective filtration of impurities are achieved.
Patent Information
- Application Number
- CN202411760975.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-03-11
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
In the prior art, VOCs organic waste gas is prone to bring in impurities during the collection process, resulting in erosion of the inner wall of the Suma tank and residue of impurities, making it difficult to clean.
A VOCs organic waste gas sample collector is designed, and a dual filtration system of filter and activated carbon core is used. The filter filter filters larger impurity particles, and the activated carbon cord adsorbs fine impurity particles to prevent impurities from entering the Suma tank.
Effectively prevent impurities from entering the Suma tank from VOCs organic waste gas, avoiding internal wall corrosion and impurity residue, and improving the cleanliness and service life of the collector.
Smart Images
Figure CN119595375A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of VOCs organic waste gas sample collectors, in particular to a VOCs organic waste gas sample collector. Background Art
[0002] VOCs organic waste gas is a common type of atmospheric pollutant. It is generally flammable and explosive, toxic and harmful, insoluble in water, soluble in organic solvents, and difficult to treat. In order to eliminate VOCs organic waste gas pollution, VOCs organic waste gas treatment is required.
[0003] In the existing technology, during the manual monitoring process, Summa cans are mostly used as containers to collect VOCs organic waste gas; Summa cans are an air sampling canister specified by the US EPA air monitoring regulations for collecting and storing VOC gases (volatile organic compounds). The canister body is generally made of 316 high-quality stainless steel, which has high mechanical strength, good corrosion resistance, and is usually not easy to damage.
[0004] However, in the existing technology, VOCs organic waste gas contains certain impurities. When the Suma tank collects VOCs organic waste gas, the impurities will enter the Suma tank along with the waste gas. Although the Suma tank has good corrosion resistance, the impurities will still corrode the inner wall of the Suma tank, and the impurities will also remain in the tank body, making it difficult to clean. Summary of the Invention
[0005] The purpose of the present invention is to provide a VOCs organic waste gas sample collector to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a Suma tank, an air inlet pipe is provided on the top of the Suma tank, an air inlet is provided at the end of the air inlet pipe, a telescopic groove is provided at the front end of the air inlet, a connecting plate is provided in the middle of both sides of the telescopic groove, the upper and lower ends of the connecting plate are connected to a first spring, the other end of the first spring is connected to a closing plate, a filter is provided on the inner side of the closing plate of the air inlet, a brush plate is provided at the inner bottom end of the closing plate, and a brush is provided on the inner side of the brush plate.
[0007] Preferably, a sampling controller is provided in the middle of the air inlet pipe, which can control the flow rate and opening and closing of the VOCs organic waste gas entering the Suma tank through the air inlet pipe. A threaded opening is provided at the front end of the opening of the air inlet, and the air inlet is connected to the outlet of the VOCs organic waste gas through the threaded opening.
[0008] Preferably, the inner bottom of one set of closing plates is provided with a slot, and the bottom of the other set of closing plates is provided with an inserting plate, the slot can be inserted into the inserting plate, so that the two sets of closing plates can close the air inlet of the air inlet.
[0009] Preferably, a first pull rod is provided on the top of the closing plate, and the first pull rod extends from the upper and lower ends of the air inlet. Pulling the first pull rod up and down can make the closing plate slide up and down in the telescopic groove, so that the brush inside the brush plate inside the closing plate cleans the filter provided in the air inlet.
[0010] Preferably, the air inlet is provided with contraction grooves on both sides of the upper end of the closing plate, a support plate is provided in the contraction groove, a second spring is provided on the inner side of the support plate, the inner side of the second spring is connected to the limit block, and limiting slots are provided on the upper and lower ends of both sides of the closing plate. The limit blocks can be rebound into the limiting slots by the tension of the second spring, so that the limit blocks can clamp the upper and lower extensions of the closing plate.
[0011] Preferably, the outer side of the limit block is connected to a connecting rod, the connecting rod extends from the contraction groove, the outer end of the connecting rod is connected to a second pull rod, and the second pull rod connects the connecting rods extending from the contraction grooves opened at the upper and lower ends of the air inlet. Pulling the second pull rod can enable the second pull rod to pull the limit block out of the limit slot through the contraction groove.
[0012] Preferably, the air inlet is provided with a slot at the rear end of the filter screen, in which a replaceable activated carbon core is inserted, and the activated carbon core can adsorb tiny impurity particles in VOCs organic waste.
[0013] Preferably, the air inlet is provided with a sliding ring groove around the slot, and a closing ring is provided in the sliding ring groove. The closing ring can slide in the sliding ring groove so that the sliding ring groove closes one side opening of the slot.
[0014] Preferably, a toggle plate is provided at the front end of the outer side of the closed ring. Toggling the toggle plate can shrink the closed ring into the sliding ring groove, open the closure of the slot opening, and replace the activated carbon core in the slot.
[0015] Compared with the prior art, the present invention has the following beneficial effects:
[0016] The present invention proposes a VOCs organic waste gas sample collector. When collecting VOCs organic waste gas, the air inlet is first connected to the VOCs organic waste gas outlet through a threaded port, and then the second pull rod is pulled to drive the limit block to disengage from the limit slot at the top of the closing plate through the connecting rod and shrink into the shrinkage slot. Then, the first pull rod is pulled to pull the plug plate at the bottom of the closing plate out of the slot at the bottom of another group of closing plates, opening the closure of the air inlet opening, and then the second pull rod is released and pulled, and the second spring begins to bounce the limit block into the limit slot at the bottom of the closing plate through tension, fixing the opening of the closing plate. At this time, the VOCs organic waste gas passes through the filter screen set at the rear end of the closing plate at the air inlet for the first filtration, The larger impurity particles in the VOCs organic waste gas are filtered, and then the VOCs organic waste gas is filtered for the second time through the activated carbon core inserted in the slot at the rear end of the filter screen, to filter the fine impurity particles in the VOCs organic waste gas, to prevent the impurities in the VOCs organic waste gas from entering the Suma tank, corroding the inner wall of the Suma tank, and remaining in the Suma tank, which is difficult to clean. After a period of time, by pulling the second pull rod, the second pull rod drives the limit block to disengage from the limit slot through the connecting rod, canceling the limit on the closing plate, and pulling the first pull rod up and down, the closing plate can drive the brush on the inside of the brush plate set on the inside of the closing plate to clean the filter screen, thereby preventing the impurity particles in the VOCs organic waste gas from clogging the mesh of the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;
[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the air inlet of the present invention;
[0019] Figure 3 Schematic diagram of the cross-sectional structure of the air inlet of the present invention;
[0020] Figure 4 for Figure 3 A schematic diagram of the structure at center A;
[0021] Figure 5 This is a schematic diagram of the cross-sectional structure of the air inlet of the present invention;
[0022] Figure 6 This is a schematic diagram of the cross-sectional structure of the slot of the present invention.
[0023] In the figure: Suma tank 1, air inlet pipe 2, sampling controller 3, air inlet 4, threaded port 5, connecting plate 6, first spring 7, closing plate 8, slot 9, plug plate 10, first pull rod 11, second pull rod 12, connecting rod 13, limit block 14, limit slot 15, contraction slot 16, second spring 17, support plate 18, brush plate 19, brush 20, slot 21, activated carbon core 22, sliding ring groove 23, filter screen 24, closing ring 25, toggle plate 26. DETAILED DESCRIPTION
[0024] In order to clearly and completely describe the objectives and technical solutions of the present invention and make the advantages more clearly understood, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0025] See also Figures 1 to 5The present invention provides a technical solution: a Suma tank 1, an air intake pipe 2 is provided on the top of the Suma tank 1, an air intake port 4 is provided at the end of the air intake pipe 2, a telescopic slot is provided at the front end of the air intake port 4, a connecting plate 6 is provided in the middle of both sides of the telescopic slot, the upper and lower ends of the connecting plate 6 are connected to a first spring 7, the other end of the first spring 7 is connected to a closing plate 8, a filter screen 24 is provided on the inner side of the closing plate 8 of the air intake port 4, a brush plate 19 is provided at the inner bottom end of the closing plate 8, a brush 20 is provided on the inner side of the brush plate 19; a sampling controller 3 is provided in the middle of the air intake pipe 2, the sampling controller 3 can control the flow rate and opening and closing of the VOCs organic waste gas entering the Suma tank 1 through the air intake pipe 2, and the front end of the opening of the air intake port 4 A threaded port 5 is provided, and the air inlet 4 is connected to the outlet of the VOCs organic waste gas through the threaded port 5; a closing plate 8, a slot 9 is provided at the inner bottom of one group of closing plates 8, and a plug-in plate 10 is provided at the bottom of the other group of closing plates 8, and the slot 9 can be plugged into the plug-in plate 10, so that the two groups of closing plates 8 can close the air inlet 4; a first pull rod 11 is provided on the top of the closing plate 8, and the first pull rod 11 extends from the upper and lower ends of the air inlet 4. Pulling the first pull rod 11 up and down can make the closing plate 8 slide up and down in the telescopic groove, so that the brush 20 on the inner side of the brush plate 19 on the inner side of the closing plate 8 cleans the filter 24 provided in the air inlet 4; the air inlet 4 is provided with contraction grooves 16 on both sides of the upper end of the closing plate 8, and the contraction groove 1 6 is provided with a support plate 18, and a second spring 17 is provided on the inner side of the support plate 18. The inner side of the second spring 17 is connected to the limit block 14. The upper and lower ends of both sides of the closing plate 8 are provided with limit slots 15. The limit block 14 can be rebound into the limit slot 15 by the tension of the second spring 17, so that the limit block 14 can clamp the upper and lower extension of the closing plate 8; the outer side of the limit block 14 is connected to the connecting rod 13, and the connecting rod 13 extends from the contraction groove 16. The outer end of the connecting rod 13 is connected to the second pull rod 12, and the second pull rod 12 connects the connecting rod 13 extending from the contraction groove 16 opened at the upper and lower ends of the air inlet 4. Pulling the second pull rod 12 can enable the second pull rod 12 to pass through the contraction groove 16 to limit the block 1 4 is pulled out from the limiting slot 15; the air inlet 4 is provided with a slot 21 at the rear end of the filter screen 24, and a replaceable activated carbon core 22 is inserted in the slot 21. The activated carbon core 22 can adsorb fine impurity particles in VOCs organic waste; the air inlet 4 is provided with a sliding ring groove 23 around the slot 21, and a closing ring 25 is provided in the sliding ring groove 23. The closing ring 25 can slide in the sliding ring groove 23 so that the sliding ring groove 23 closes one side of the slot 21; a toggle plate 26 is provided at the outer front end of the closing ring 25. Toggling the toggle plate 26 can cause the closing ring 25 to retract into the sliding ring groove 23, open the closure of the slot 21, and replace the activated carbon core 22 in the slot 21.
[0026] In actual use, when collecting VOCs organic waste gas, first connect the air inlet 4 to the VOCs organic waste gas outlet through the threaded port 5, then pull the second pull rod 12, so that the second pull rod 12 drives the limit block 14 to disengage from the limit slot 15 at the top of the closing plate 8 through the connecting rod 13, and shrink to the shrinkage groove 16, then pull the first pull rod 11, so that the plug plate 10 at the bottom of the closing plate 8 is pulled out from the slot 9 at the bottom of the other set of closing plates 8, opening the closure of the air inlet 4, and then release the second pull rod 12, and the second spring 17 starts to The limit block 14 is bounced into the limit slot 15 at the bottom of the closing plate 8 by tension, and the closing plate 8 is fixed to be opened. At this time, the VOCs organic waste gas passes through the filter 24 set at the rear end of the closing plate 8 at the air inlet 4, and is filtered for the first time to filter out the larger impurity particles in the VOCs organic waste gas. After that, the VOCs organic waste gas passes through the activated carbon core 22 inserted in the slot 21 at the rear end of the filter 24 to filter out the fine impurity particles in the VOCs organic waste gas for the second time, thereby preventing the impurities in the VOCs organic waste gas from entering the Suma tank 1. The inner wall of the Suma tank 1 is corroded and remains in the Suma tank 1, which is difficult to clean. After a period of time, by pulling the second pull rod 12, the second pull rod 12 drives the limit block 14 to disengage from the limit slot 15 through the connecting rod 13, canceling the limit on the closing plate 8, and pulling the first pull rod 11 up and down, the closing plate 8 can drive the brush 20 inside the brush plate 19 set on the inner side of the closing plate 8 to clean the filter 24, preventing the impurity particles in the VOCs organic waste gas from clogging the mesh of the filter 24. When the air intake is completed, the sampling controller 3 is used to The air intake pipe 2 is closed, and the second pull rod 12 is pulled to make the limit block 14 fall off from the limit slot 15. The first springs 7 on both sides of the bottom of the closing plate 8 begin to use the contraction force to insert the plug plates 10 at the bottom of one group of closing plates 8 into the slots 9 at the bottom of another group of closing plates 8, thereby closing the air intake of the air inlet 4; and by toggling the toggle plate 26, the toggle plate 26 drives the closing ring 25 to shrink into the sliding ring groove 23, opening the closure of the slot 21, and replacing the activated carbon core 22 in the slot 21 to prevent the activated carbon core 22 from losing its adsorption properties after long-term use.
[0027] Although the above describes the illustrative specific implementation methods of the present application so that those skilled in the art can understand the present application, the present application is not limited to the scope of the specific implementation methods. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations based on the concept of the present application are protected.
Claims
1. A VOCs organic waste gas sample collector, characterized by: include: A Suma tank (1) is provided with an air inlet pipe (2) at the top of the Suma tank (1), an air inlet (4) is provided at the end of the air inlet pipe (2), a telescopic groove is provided at the front end of the air inlet (4), a connecting plate (6) is provided at the middle of both sides of the telescopic groove, the upper and lower ends of the connecting plate (6) are connected to a first spring (7), the other end of the first spring (7) is connected to a closing plate (8), a filter screen (24) is provided on the inner side of the closing plate (8) of the air inlet (4), a brush plate (19) is provided at the inner bottom end of the closing plate (8), and a brush (20) is provided on the inner side of the brush plate (19).
2. A VOCs organic waste gas sample collector according to claim 1, characterized in that: A sampling controller (3) is arranged in the middle of the air inlet pipe (2), and the sampling controller (3) can control the flow rate and opening and closing of the VOCs organic waste gas entering the Suma tank (1) through the air inlet pipe (2). A threaded opening (5) is arranged at the front end of the opening of the air inlet (4), and the air inlet (4) is connected to the outlet of the VOCs organic waste gas through the threaded opening (5).
3. A VOCs organic waste gas sample collector according to claim 2, characterized in that: The closing plates (8) are provided with a slot (9) at the inner bottom of one group of closing plates (8), and a plugging plate (10) is provided at the bottom of the other group of closing plates (8). The slot (9) can be plugged into the plugging plate (10), so that the two groups of closing plates (8) can close the air inlet of the air inlet (4).
4. A VOCs organic waste gas sample collector according to claim 3, characterized in that: A first pull rod (11) is arranged on the top of the closing plate (8), and the first pull rod (11) extends from the upper and lower ends of the air inlet (4). Pulling the first pull rod (11) up and down can make the closing plate (8) slide up and down in the telescopic groove, so that the brush (20) on the inner side of the brush plate (19) on the inner side of the closing plate (8) cleans the filter (24) arranged in the air inlet (4).
5. A VOCs organic waste gas sample collector according to claim 4, characterized in that: The air inlet (4) is provided with contraction grooves (16) on both sides of the upper end of the closing plate (8), a support plate (18) is arranged in the contraction groove (16), a second spring (17) is arranged on the inner side of the support plate (18), the inner side of the second spring (17) is connected to the limit block (14), and limit slots (15) are provided on both upper and lower ends of both sides of the closing plate (8), the limit block (14) can be rebounded into the limit slot (15) by the tension of the second spring (17), so that the limit block (14) can clamp the upper and lower extension of the closing plate (8).
6. A VOCs organic waste gas sample collector according to claim 5, characterized in that: The outer side of the limit block (14) is connected to a connecting rod (13), the connecting rod (13) extends out from a contraction groove (16), and the outer end of the connecting rod (13) is connected to a second pull rod (12), and the second pull rod (12) connects the connecting rod (13) extending out of the contraction groove (16) opened at the upper and lower ends of the air inlet (4), and pulling the second pull rod (12) enables the second pull rod (12) to pull the limit block (14) out of the limit slot (15) through the contraction groove (16).
7. A VOCs organic waste gas sample collector according to claim 6, characterized in that: The air inlet (4) is provided with a slot (21) at the rear end of the filter screen (24), and a replaceable activated carbon core (22) is inserted into the slot (21). The activated carbon core (22) can adsorb fine impurity particles in VOCs organic waste.
8. A VOCs organic waste gas sample collector according to claim 7, characterized in that: The air inlet (4) is provided with a sliding ring groove (23) around the slot (21), and a sealing ring (25) is arranged in the sliding ring groove (23). The sealing ring (25) can slide in the sliding ring groove (23), so that the sliding ring groove (23) seals a side opening of the slot (21).
9. A VOCs organic waste gas sample collector according to claim 8, characterized in that: The front end of the outer side of the closed ring (25) is provided with a toggle plate (26), and the toggle plate (26) can be moved to shrink the closed ring (25) into the sliding ring groove (23), thereby opening the opening of the slot (21) and replacing the activated carbon core (22) in the slot (21).