CN213842784U

CN213842784U - Sampling device for chemical waste gas detection equipment

Info

Publication number: CN213842784U
Application number: CN202022704590.XU
Authority: CN
Inventors: 胡扬帆; 王伟勇
Original assignee: Qinghai Lanbo Detection Technology Co ltd
Current assignee: Gansu Lanbo Detection Technology Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-07-30
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a sampling device that chemical waste gas detection equipment used relates to chemical waste gas detection equipment technical field, can only record the average concentration of pollutant in the waste gas in the sampling time to the collection method commonly used, can't record the average concentration problem in the instantaneous concentration of waste gas or the short time, now proposes following scheme, and it includes intake pipe, sampling rod is located the inside of intake pipe, there is the suction hood along fixed mounting outside the one end of intake pipe, the other end fixed mounting of intake pipe has the limiting plate, slidable mounting has the piston in the intake pipe, piston and sampling rod fixed connection, the sampling rod is kept away from the one end slip of piston and is run through the limiting plate, and extends to the outside fixed mounting of intake pipe and have the pull rod, intake pipe bottom intercommunication has the collection bottle. The utility model discloses novel structure, and the accessible piston inhales waste gas, and the collection bottle is provided with self sealss structure, has guaranteed the validity of sample and the accuracy of testing result.

Description

Sampling device for chemical waste gas detection equipment

Technical Field

The utility model relates to a chemical waste gas detection equipment technical field especially relates to a sampling device that chemical waste gas detection equipment used.

Background

Chemical waste gas refers to toxic and harmful gas discharged from chemical plants in chemical production. Chemical waste gas often contains many kinds of pollutants, has complex physical and chemical properties and different toxicity, seriously pollutes the environment and influences human health. The chemical waste gas components generated in different chemical production industries are very different. For example, the waste gas generated in the chlor-alkali industry mainly contains chlorine, hydrogen chloride, vinyl chloride, mercury, acetylene and the like, and the waste gas generated in the nitrogen fertilizer industry mainly contains nitrogen oxides, urea dust, carbon monoxide, ammonia gas, sulfur dioxide, methane and the like, automobile exhaust and the like.

In order to monitor whether the chemical waste gas emission generated in daily production of chemical enterprises reaches the standard or not, a waste gas sample collected by a chemical plant needs to be brought back to a laboratory for detection, a common collection method is to make a large amount of air pass through a liquid absorbent or a solid absorbent to enrich pollutants with lower concentration in the atmosphere, and the sample collected by the method can be used for measuring the average concentration of the pollutants in the atmosphere within sampling time, so that the instantaneous concentration or the average concentration within a short time cannot be measured.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sampling device that chemical waste gas detection equipment used, the collection method who solves commonly used can only record the average concentration of pollutant in the waste gas in the sampling time, can't record the average concentration problem in the instantaneous concentration of waste gas or the short time.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a sampling device that chemical industry waste gas detection equipment used, includes intake pipe, sampling rod is located the inside of intake pipe, there is the air inlet cover along fixed mounting the one end of intake pipe outward, the other end fixed mounting of intake pipe has the limiting plate, slidable mounting has the piston in the intake pipe, piston and sampling rod fixed connection, the one end that the piston was kept away from to the sampling rod slides and runs through the limiting plate, and extends to the outside fixed mounting of intake pipe has the pull rod, intake pipe bottom intercommunication has the collection bottle, the bottleneck of gathering the bottle is equipped with self sealss structure, the bottom of gathering the bottle is equipped with fixing device.

Preferably, self sealss structure includes sloping block, bottle plug, sealed pad, sealed cowling and extension spring, the vertical cross-section of gathering the bottle is "protruding" type, the bottleneck circumference lateral wall internally mounted of gathering the bottle has the extension spring that is annular array and distributes, every the extension spring is kept away from the one end of bottleneck and is extended the same sealed cowling of the inside fixedly connected with of gathering the bottle, the body top fixed mounting who gathers the bottle has sealed pad, the bottleneck slidable mounting who gathers the bottle has the bottle plug, the top fixed mounting of bottle plug has the sloping block.

Preferably, the bottom of intake pipe is seted up with collection bottle bottleneck assorted intercommunication mouth, the collection bottle is inside to be the vacuum setting, sealed the pad matches with the bottom lateral wall of intake pipe.

Preferably, fixing device includes the support column, places board, bracing piece, spout, slider and carriage release lever, the bottom fixed mounting of intake pipe has the support column that is the symmetric distribution, two slidable mounting has the board of placing that is the level setting between the support column, and the bottom fixed mounting of two support columns has the dead lever, slidable mounting has the carriage release lever in the dead lever, dead lever middle part run-through slidable mounting has the bracing piece that is vertical setting, the carriage release lever is located one side of bracing piece, the carriage release lever is close to the lateral wall of bracing piece and offers the spout that is the slope setting, slidable mounting has the slider in the spout, the one end and the bracing piece fixed connection of bracing piece are kept away from to the slider, the bracing piece top with place board fixed connection, the collection bottle is located between two support columns, and with place the board contact.

Preferably, one end of the moving rod extends to the outside of the fixed rod and is fixedly provided with a handle, a control pin is slidably arranged on the side wall of the lower section of the support column close to the handle, a pin hole is formed in one section, close to the handle, of the top end of the moving rod, and the control pin is matched with the pin hole.

The utility model has the advantages that:

1. the application atmospheric pressure principle drives chemical waste gas sample and gets into in the inlet tube through the pulling piston, and in piston extrusion sloping block to gathering the bottle, the vacuum setting in the bottle makes waste gas sample get into in gathering the bottle automatically, accomplishes waste gas sample's collection.

2. The bottleneck through gathering the bottle sets up extension spring and sealed cowling, gathers the back of accomplishing, and the sealed cowling lid tightly the bottleneck prevents that waste gas from flowing out, and the sealed pad that the body top set up has strengthened the leakproofness, prevents outside atmosphere inflow, has improved the validity of sample.

3. Can reciprocate through the control movable rod and place the board, fix the collection bottle in the intake pipe bottom, through the fixed movable rod of control round pin chucking pinhole, prevent the gas collecting bottle landing, labour saving and time saving when whole fixing device installation and take off the gas collecting bottle has improved work efficiency.

To sum up, when using the device to carry out the sampling of chemical industry waste gas, need not artifical contact waste gas, the accessible piston inhales waste gas, and the collection bottle is provided with self-sealing structure, has guaranteed the validity of sample and the accuracy of testing result, improves the efficiency of whole sampling process and samples easy and simple to handle, and the waste gas sample of taking can survey the average concentration in the instantaneous concentration of waste gas or the short time.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the collection bottle of the present invention;

fig. 3 is an enlarged view of a in fig. 1 according to the present invention;

fig. 4 is a side sectional view of the fixing rod of the present invention.

Reference numbers in the figures: 1. an air inlet pipe; 2. a sampling rod; 3. an air intake hood; 4. a piston; 5. a pull rod; 6. collecting a bottle; 7. a sloping block; 8. a bottle stopper; 9. a gasket; 10. a sealing cover; 11. a tension spring; 12. a support pillar; 13. placing the plate; 14. a support bar; 15. a chute; 16. a slider; 17. a travel bar; 18. a control pin; 19. a handle; 20. fixing the rod; 21. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1, a sampling device that chemical waste gas detection equipment used, including intake pipe 1, sampling rod 2 is located intake pipe 1's inside, there is inlet housing 3 along fixed mounting outside intake pipe 1's one end, intake pipe 1's other end fixed mounting has limiting plate 21, sliding mounting has piston 4 in intake pipe 1, piston 4 and sampling rod 2 fixed connection, sampling rod 2 keeps away from piston 4's one end and slides and runs through limiting plate 21, and extend to intake pipe 1's outside fixed mounting has pull rod 5, intake pipe 1 bottom intercommunication has collection bottle 6, the bottleneck of collection bottle 6 is equipped with self sealss, the bottom of collection bottle 6 is equipped with fixing device.

Referring to fig. 2, self sealss structure includes sloping block 7, the bottle plug 8, sealed pad 9, sealed cowling 10 and extension spring 11, the vertical cross-section of gathering bottle 6 is "protruding" type, the bottleneck circumference lateral wall internally mounted of gathering bottle 6 has the extension spring 11 that is annular array and distributes, the one end that every extension spring 11 kept away from the bottleneck extends the same sealed cowling 10 of the inside fixedly connected with of gathering bottle 6, the body top fixed mounting of gathering bottle 6 has sealed pad 9, the bottleneck slidable mounting of gathering bottle 6 has bottle plug 8, the top fixed mounting of bottle plug 8 has sloping block 7, intake pipe 1's bottom seted up with gather 6 bottleneck assorted intercommunication mouths, gather the inside vacuum setting that is of bottle 6, sealed pad 9 and intake pipe 1's bottom lateral wall phase-match.

Referring to fig. 3-4, the fixing device includes supporting columns 12, a placing plate 13, supporting rods 14, sliding grooves 15, sliding blocks 16 and moving rods 17, the bottom of the air inlet pipe 1 is fixedly provided with the supporting columns 12 which are symmetrically distributed, the placing plate 13 which is horizontally arranged is slidably arranged between the two supporting columns 12, the bottom ends of the two supporting columns 12 are fixedly provided with fixing rods 20, the moving rods 17 are slidably arranged in the fixing rods 20, the supporting rods 14 which are vertically arranged are slidably arranged in the middle of the fixing rods 20 in a penetrating manner, the moving rods 17 are positioned on one side of the supporting rods 14, the side walls of the moving rods 17 which are close to the supporting rods 14 are provided with the sliding grooves 15 which are obliquely arranged, the sliding blocks 16 are slidably arranged in the sliding grooves 15, one ends of the sliding blocks 16 which are far away from the supporting rods 14 are fixedly connected with the supporting rods 14, the top ends of the supporting rods 14 are fixedly connected with the placing plate 13, the collection bottles 6 are positioned between the two supporting columns 12 and are in contact with the placing plate 13, one end of the moving rod 17 extends to the outside of the fixed rod 20 and is fixedly provided with a handle 19, the side wall of the lower section of the support column 12 close to the handle 19 is provided with a control pin 18 in a sliding way, one section of the top end of the moving rod 17 close to the handle 19 is provided with a pin hole, and the control pin 18 is matched with the pin hole.

When the device is used for sampling chemical waste gas, the pull rod 5 is pushed, the sampling rod 2 moves the piston 4 to a position close to the air inlet cover 3, the bottle mouth of the collecting bottle 6 is placed on the placing plate 13, the handle 19 is pulled, the moving rod 17 moves towards the control pin 18, the slide block 16 slides along the inclined slide groove 15 to drive the support rod 14 to move upwards, the placing plate 13 is driven to slide upwards along the space between the two support columns 12, the collecting bottle 6 enters the communicating port at the bottom of the air inlet pipe 1, when the sealing gasket 9 at the top end of the body of the collecting bottle 6 is tightly attached to the side wall of the bottom of the air inlet pipe 1, the control pin 18 is clamped into the pin hole to fix the collecting bottle 6, the air inlet cover 3 is placed at the discharge position of the chemical waste gas, the pull rod 5 is pulled, the sampling rod 2 moves the piston 4 to be close to the limiting plate 21, a waste gas sample is sucked, when the piston 4 touches the inclined block 7 and extrudes the inclined block 7 downwards in the moving process, the sloping block 7 extrudees bottle plug 8 and sealed pad 9 and gets into collection bottle 6, vacuum collection bottle 6 is automatic inhales the waste gas sample in the collection bottle 6 bottle, 7 opposite sides to the sloping block are removed to piston 4, extension spring 11 is with bottle plug 8 and sealed pad 9 sealed collection bottle 6, loosen control pin 18, promote handle 19, make the carriage release 17 keep away from control pin 18 and move, slider 16 slides along the spout 15 of slope, drive bracing piece 14 downstream, it places board 13 and slides down along between two support columns 12 to drive, loosen collection bottle 6 after 6, the detachable has gone to accomplish the collection bottle 6 of sample.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A sampling device for chemical waste gas detection equipment comprises an air inlet pipe (1) and a sampling rod (2), it is characterized in that the sampling rod (2) is positioned inside the air inlet pipe (1), an air inlet cover (3) is fixedly arranged on the outer edge of one end of the air inlet pipe (1), a limit plate (21) is fixedly arranged at the other end of the air inlet pipe (1), a piston (4) is arranged in the air inlet pipe (1) in a sliding manner, the piston (4) is fixedly connected with the sampling rod (2), one end of the sampling rod (2) far away from the piston (4) penetrates through the limiting plate (21) in a sliding manner, a pull rod (5) is fixedly arranged outside the air inlet pipe (1), the bottom of the air inlet pipe (1) is communicated with a collection bottle (6), the bottle mouth of the collection bottle (6) is provided with a self-sealing structure, and the bottom of the collection bottle (6) is provided with a fixing device.

2. The sampling device of claim 1, wherein the self-sealing structure comprises an inclined block (7), a bottle stopper (8), a sealing gasket (9), a sealing cover (10) and tension springs (11), the vertical section of the collection bottle (6) is in a convex shape, the tension springs (11) distributed in an annular array are mounted inside the circumferential side wall of the bottle opening of the collection bottle (6), each tension spring (11) is far away from one end of the bottle opening and extends to be connected with the same sealing cover (10) inside the collection bottle (6), the sealing gasket (9) is fixedly mounted at the top end of the bottle body of the collection bottle (6), the bottle opening of the collection bottle (6) is slidably mounted with the bottle stopper (8), and the inclined block (7) is fixedly mounted at the top end of the bottle stopper (8).

3. The sampling device for the chemical waste gas detection equipment according to claim 2, wherein a communication port matched with the bottle opening of the collection bottle (6) is formed in the bottom of the gas inlet pipe (1), the collection bottle (6) is arranged in a vacuum manner, and the sealing gasket (9) is matched with the side wall of the bottom of the gas inlet pipe (1).

4. The sampling device for the chemical waste gas detection equipment according to claim 1, wherein the fixing device comprises support columns (12), a placing plate (13), support rods (14), sliding grooves (15), a sliding block (16) and a moving rod (17), the support columns (12) are symmetrically arranged at the bottom of the gas inlet pipe (1), the placing plate (13) is horizontally arranged between the two support columns (12) in a sliding manner, a fixing rod (20) is fixedly arranged at the bottom ends of the two support columns (12), the moving rod (17) is slidably arranged in the fixing rod (20), the vertically arranged support rods (14) are slidably arranged in the middle of the fixing rod (20) in a penetrating manner, the moving rod (17) is positioned at one side of the support rods (14), the sliding grooves (15) are obliquely arranged on the side wall of the moving rod (17) close to the support rods (14), the collection bottle is characterized in that a sliding block (16) is arranged in the sliding groove (15), one end, far away from the supporting rod (14), of the sliding block (16) is fixedly connected with the supporting rod (14), the top end of the supporting rod (14) is fixedly connected with the placing plate (13), and the collection bottle (6) is located between the two supporting columns (12) and is in contact with the placing plate (13).

5. The sampling device for the chemical waste gas detection equipment according to claim 4, wherein one end of the moving rod (17) extends to the outside of the fixed rod (20) and is fixedly provided with a handle (19), the side wall of the lower section of the support column (12) close to the handle (19) is slidably provided with a control pin (18), a section of the top end of the moving rod (17) close to the handle (19) is provided with a pin hole, and the control pin (18) is matched with the pin hole.