CN212167055U

CN212167055U - Be applied to volatile organic compounds monitoring facilities remove hydrocarbon device

Info

Publication number: CN212167055U
Application number: CN202020249923.1U
Authority: CN
Inventors: 腾谦; 马天鑫
Original assignee: Jiangsu Juyuan Zhongan Ecological Environment Co ltd
Current assignee: Jiangsu Juyuan Zhongan Ecological Environment Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-12-18
Anticipated expiration: 2030-03-04

Abstract

The utility model discloses a be applied to volatile organic compounds monitoring facilities remove hydrocarbon device relates to volatile organic compounds monitoring technology field, can cause the problem of damage to the motor for the volatile organic compounds who solves among the prior art. One side of gas transmission case is provided with the filter screen box, gas transmission case and filter screen box laminating, the inside of gas transmission case and filter screen box all is provided with the perforation, and the fenestrate diameter size is the same, the internally mounted of filter screen box has the filter screen, and the filter screen is provided with threely, the inside of gas transmission case is provided with protecting box and impeller respectively, the internally mounted of protecting box has the motor, the motor passes through shaft coupling fixed connection with the impeller, the return bend is installed to one side of gas transmission case, the fifth gas-supply pipe is installed to one side of filter screen box, the HEPA filter is installed to the one end of return bend.

Description

Be applied to volatile organic compounds monitoring facilities remove hydrocarbon device

Technical Field

The utility model relates to a volatile organic compounds monitoring technology field specifically is a be applied to volatile organic compounds monitoring facilities remove hydrocarbon device.

Background

Volatile Organic Compounds, commonly referred to as VOCs, are the first letter of the three words Volatile Organic Compounds, and total Volatile Organic Compounds, sometimes also referred to as TVOC, can be further divided into eight groups according to their chemical structures: alkanes, aromatic hydrocarbons, alkenes, halocarbons, esters, aldehydes, ketones and others, the main components of VOC are: hydrocarbons, halogenated hydrocarbons, oxygen hydrocarbons and nitrogen hydrocarbons, which include: benzene series, organic chloride, freon series, organic ketone, amine, alcohol, ether, ester, acid and petroleum hydrocarbon compound, etc.

The main sources of VOCs: the gas chromatograph is an instrument for qualitatively and quantitatively analyzing a multi-component complex mixture by utilizing a chromatographic separation technology and a detection technology, can be generally used for analyzing organic matters which are thermally stable in soil and have a boiling point of not more than 500 ℃, such as volatile organic matters, organic chlorine, organic phosphorus, polycyclic aromatic hydrocarbons, phthalate esters and the like, and a motor is arranged in each monitoring device to extract gases of the volatile organic matters, but the volatile organic matters can damage the motor to a certain extent to cause equipment operation failure; therefore, the market is urgently in need of developing a hydrocarbon removing device applied to volatile organic compound monitoring equipment to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applied to volatile organic compounds monitoring facilities remove hydrocarbon device to the volatile organic compounds who proposes can cause the problem of damage to the motor in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be applied to volatile organic compounds monitoring facilities's hydrocarbon removal device, includes work box and gas transmission case, one side of gas transmission case is provided with the filter screen box, gas transmission case and the laminating of filter screen box, the inside of gas transmission case and filter screen box all is provided with the perforation, and the fenestrate diameter size is the same, the internally mounted of filter screen box has the filter screen, and the filter screen is provided with threely, the inside of gas transmission case is provided with protecting box and impeller respectively, the internally mounted of protecting box has the motor, the motor passes through shaft coupling fixed connection with the impeller, the return bend is installed to one side of gas transmission case, the fifth gas-supply pipe is installed to one side of filter screen box, the HEPA filter is installed to the one end of return bend.

Preferably, the inside mounting of work box has the intake pipe, the discharge is installed to the below of intake pipe, the below of discharge is provided with the nitrogen gas jar, the nitrogen gas jar passes through flange fixed connection with the discharge, the discharge passes through flange fixed connection with the intake pipe, the nitrogen gas jar is provided with threely.

Preferably, the inside of work box is provided with the monitoring box, the internally mounted of monitoring box has first gas-supply pipe, the mixing chamber is installed to the one end of first gas-supply pipe, the mixing chamber is kept away from one side of first gas-supply pipe and is installed the second gas-supply pipe, the flowmeter is installed to one side that the mixing chamber was kept away from to the second gas-supply pipe, the flowmeter is kept away from one side of second gas-supply pipe and is installed the third gas-supply pipe, the chromatographic column is installed to the one end that the flowmeter was kept away from to the third gas-supply pipe, the fourth gas-supply pipe is installed to the below of chromatographic column, the free chamber is installed to the one end of fourth gas-supply pipe, intake pipe and mixing chamber all pass through flange and first gas-supply.

Preferably, the inside of work box is provided with except that hydrocarbon case, except that hydrocarbon case's inside installs U-shaped pipe and inlet pipe respectively, the sixth gas-supply pipe is installed to one side of U-shaped pipe, the internally mounted of sixth gas-supply pipe has the check valve, sixth gas-supply pipe and fifth gas-supply pipe all pass through fastening screw and HEPA filter fixed connection.

Preferably, outlet duct and feeding cover are installed respectively to the top of work box, inlet pipe and feeding cover welded connection, the drying chamber is installed to the one end of U-shaped pipe, the internally mounted of drying chamber has the moisture absorption sponge, outlet duct and U-shaped pipe all with drying chamber welded connection.

Preferably, the base is installed to the below of work box, be provided with the display on the preceding terminal surface of work box, base and work box welded connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a lead to filter box's setting, when motor drive impeller inhales volatile organic compounds gas into the work box, through the setting of filter screen case, can keep apart large granule or electrified particle to make the gaseous china through the gas transmission case not have the gas that can injure the motor, thereby avoid the gaseous damage motor of volatile organic compounds, thereby avoid equipment operation in-process to break down, improved equipment moving stability.

2. The utility model discloses a through the setting of U-shaped pipe, can will remove hydrocarbon catalyst and pure aqueous solution and put into inside, when volatile organic compounds gas is through the U-shaped pipe, can effectually with the harmful absorption of the hydrocarbon in the gas to make the gas that gets into one process down no longer have the harmful of hydrocarbon, thereby make this monitoring facilities not only can monitor the harmful component of volatile organic compounds gas and can also get rid of the harmful of hydrocarbon, improved the work efficiency of this equipment.

Drawings

Fig. 1 is an overall schematic view of a hydrocarbon removing device applied to a monitoring device for volatile organic compounds according to the present invention;

FIG. 2 is a schematic view of the internal structure of the working box of the present invention;

fig. 3 is an overall schematic view of the gas transmission box of the present invention.

In the figure: 1. a work box; 2. a base; 3. a display; 4. an air inlet pipe; 5. an air outlet pipe; 6. a feed hood; 7. a nitrogen tank; 8. a gas collecting pipe; 9. a first gas delivery pipe; 10. a monitoring box; 11. a mixing chamber; 12. a second gas delivery pipe; 13. a flow meter; 14. a third gas delivery pipe; 15. a chromatographic column; 16. a fourth gas delivery pipe; 17. a venting chamber; 18. a fifth gas delivery pipe; 19. a filter screen box; 20. a filter screen; 21. A gas transmission tank; 22. a protective box; 23. a motor; 24. an impeller; 25. bending the pipe; 26. a HEPA filter; 27. a sixth gas delivery pipe; 28. a check valve; 29. a hydrocarbon removal tank; 30. a U-shaped tube; 31. a drying chamber; 32. a moisture-absorbing sponge; 33. and (4) feeding a pipe.

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. 1-3, the present invention provides an embodiment: the utility model provides a be applied to volatile organic compounds monitoring facilities's hydrocarbon device that removes, including work box 1 and gas transmission case 21, one side of gas transmission case 21 is provided with filter screen box 19, gas transmission case 21 and the laminating of filter screen box 19, gas transmission case 21 and filter screen box 19's inside all is provided with the perforation, and the fenestrate diameter size is the same, filter screen box 19's internally mounted has filter screen 20, and filter screen 20 is provided with threely, gas transmission case 21's inside is provided with protecting box 22 and impeller 24 respectively, protecting box 22's internally mounted has motor 23, motor 23 passes through shaft coupling fixed connection with impeller 24, return bend 25 is installed to one side of gas transmission case 21, fourth gas-supply pipe 18 is installed to one side of filter screen box 19, HEPA filter 26 is installed to the one end of return bend 25.

Further, the internally mounted of work box 1 has intake pipe 4, and gas collecting pipe 8 is installed to the below of intake pipe 4, and the below of gas collecting pipe 8 is provided with nitrogen gas jar 7, and nitrogen gas jar 7 passes through flange fixed connection with gas collecting pipe 8, and gas collecting pipe 8 passes through flange fixed connection with intake pipe 4, and nitrogen gas jar 7 is provided with threely, adopts imported nitrogen gas jar 7, and stability is strong, and is airtight.

Further, the inside of work box 1 is provided with monitoring box 10, the internally mounted of monitoring box 10 has first gas pipe 9, mixing chamber 11 is installed to the one end of first gas pipe 9, one side that first gas pipe 9 was kept away from to mixing chamber 11 installs second gas pipe 12, one side that second gas pipe 12 kept away from mixing chamber 11 installs flowmeter 13, flowmeter 13 keeps away from one side of second gas pipe 12 and installs third gas pipe 14, third gas pipe 14 keeps away from flowmeter 13 one end and installs chromatographic column 15, fourth gas pipe 16 is installed to the below of chromatographic column 15, the one end of fourth gas pipe 16 is installed and is vacated the room 17, intake pipe 4 and mixing chamber 11 all pass through flange and first gas pipe 9 fixed connection, adopt import electronic flow meter 13, the accurate flow that calculates, and show on display 3.

Further, the inside of work box 1 is provided with except that hydrocarbon case 29, removes that the inside of hydrocarbon case 29 installs U-shaped pipe 30 and inlet pipe 33 respectively, and fifth air-supply pipe 27 is installed to one side of U-shaped pipe 30, and the internally mounted of fifth air-supply pipe 27 has check valve 28, and fifth air-supply pipe 27 and fourth air-supply pipe 18 all pass through fastening screw and HEPA filter 26 fixed connection, adopt import HEPA filter 26, and high-efficient purge gas improves equipment's work efficiency.

Further, outlet duct 5 and feeding cover 6 are installed respectively to the top of work box 1, and inlet pipe 33 and feeding cover 6 welded connection, and drying chamber 31 is installed to the one end of U-shaped pipe 30, and the internally mounted of drying chamber 31 has moisture absorption sponge 32, and outlet duct 5 and U-shaped pipe 30 all with drying chamber 31 welded connection, moisture absorption sponge 32 adopt corrosion-resistant material to make, change the frequency low, reduce equipment use cost.

Further, base 2 is installed to the below of work box 1, is provided with display 3 on the preceding terminal surface of work box 1, and base 2 and work box 1 welded connection adopt laser welding technique for welding seam department is not only pleasing to the eye, firm in connection moreover.

The working principle is as follows: when the device is used for monitoring volatile organic compound gas, the motor 23 is started firstly, the motor 23 drives the impeller 24 to rotate at the moment, the device is close to a volatile source of the volatile organic compound gas at the moment, the volatile organic compound gas enters the inside of the working box 1 through the air inlet pipe 4 at the moment, the nitrogen tank 7 is opened to release nitrogen at the same time, so that the volatile organic compound gas and the nitrogen simultaneously enter the inside of the first air conveying pipe 9 and then simultaneously enter the inside of the mixing chamber 11, after the mixed gas enters the inside of the mixing chamber 11, the nitrogen carries light-weight particles of the volatile organic compound to enter the inside of the flowmeter 13 through the second air conveying pipe 12, the flowmeter 13 calculates the flow rate of the flowing gas and displays the gas on the display 3, and the mixed gas enters the inside of the chromatographic column 15 through the second air conveying pipe 14, at this time, the chromatographic column 15 displays different oscillation chromatograms according to different volatile organic compounds in the mixed gas, and displays the oscillation chromatograms on the display 3, so that a worker can judge components in the volatile organic compounds through the chromatograms, at this time, the mixed gas passing through the chromatographic column 15 enters the inside of the emptying chamber 17 through the third gas pipe 16, through the arrangement of the emptying chamber 17, the mixed gas can be collected and the density of the mixed gas is not too high, the mixed gas inside the emptying chamber 17 enters the inside of the filter box 19 through the fourth gas pipe 18, large particles and charged particles possibly damaging the motor 23 in the mixed gas are fully filtered through the three-layer filter screen 20 inside the filter box 19, the filtered mixed gas enters the inside of the gas conveying box 21 and enters the HEPA filter 26 through the elbow pipe 25, the HEPA filter 26 filters a large amount of harmful particles in the mixed gas, the mixed gas passing through the HEPA filter 26 enters the inside of the U-shaped pipe 30 through the fifth gas pipe 27, the check valve 28 is arranged inside the fifth gas pipe 27, so that the water solution inside the U-shaped pipe 30 can not flow back to enter the inside of the fifth gas pipe 27, the equipment is protected from being damaged, after the mixed gas enters the U-shaped pipe 30, the residual hydrocarbon organic matters in the mixed gas can be adsorbed by the water solution inside the U-shaped pipe 30 and the catalyst, so that the hydrocarbon removing effect is achieved, at the moment, the hydrocarbon organic matters in the mixed gas are completely removed, the residual gas is discharged into the inside of the drying chamber 31 through the other end of the U-shaped pipe 30, the moisture in the mixed gas is sucked and dried through the moisture absorption sponge 32, and the dried mixed gas is discharged into the next more precise processing procedure through the gas outlet pipe 5, when it is necessary to add a catalyst for hydrocarbon removal, the feed cap 6 may be opened to pour the catalyst into the inside of the U-shaped tube 30 through the feed pipe 33, and the feed cap 6 is in a normally closed state to prevent the mixed volatile organic compound gas from leaking out.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a be applied to hydrocarbon device that removes of volatile organic compounds monitoring facilities, includes work box (1) and gas transmission case (21), its characterized in that: one side of gas transmission case (21) is provided with filter screen box (19), gas transmission case (21) and filter screen box (19) laminating, the inside of gas transmission case (21) and filter screen box (19) all is provided with the perforation, and the fenestrate diameter size is the same, the internally mounted of filter screen box (19) has filter screen (20), and filter screen (20) are provided with threely, the inside of gas transmission case (21) is provided with protecting box (22) and impeller (24) respectively, the internally mounted of protecting box (22) has motor (23), motor (23) and impeller (24) pass through shaft coupling fixed connection, return bend (25) are installed to one side of gas transmission case (21), fifth gas-supply pipe (18) are installed to one side of filter screen box (19), HEPA filter (26) are installed to the one end of return bend (25).

2. The hydrocarbon removing device applied to the monitoring equipment of the volatile organic compounds according to claim 1, wherein: the internally mounted of work box (1) has intake pipe (4), discharge (8) are installed to the below of intake pipe (4), the below of discharge (8) is provided with nitrogen gas jar (7), nitrogen gas jar (7) pass through flange fixed connection with discharge (8), discharge (8) pass through flange fixed connection with intake pipe (4), nitrogen gas jar (7) are provided with threely.

3. The hydrocarbon removing device applied to the monitoring equipment of the volatile organic compounds according to claim 2, wherein: a monitoring box (10) is arranged in the working box (1), a first air conveying pipe (9) is arranged in the monitoring box (10), a mixing chamber (11) is arranged at one end of the first air conveying pipe (9), a second air conveying pipe (12) is arranged at one side of the mixing chamber (11) far away from the first air conveying pipe (9), a flowmeter (13) is arranged on one side of the second gas transmission pipe (12) far away from the mixing chamber (11), a third air conveying pipe (14) is arranged on one side of the flow meter (13) far away from the second air conveying pipe (12), one end of the third gas transmission pipe (14) far away from the flowmeter (13) is provided with a chromatographic column (15), a fourth gas pipe (16) is arranged below the chromatographic column (15), one end of the fourth gas pipe (16) is provided with a vent chamber (17), the air inlet pipe (4) and the mixing chamber (11) are fixedly connected with the first air delivery pipe (9) through flanges.

4. The hydrocarbon removing device applied to the monitoring equipment of the volatile organic compounds according to claim 1, wherein: the inside of work box (1) is provided with except that hydrocarbon case (29), it installs U-shaped pipe (30) and inlet pipe (33) respectively to remove the inside of hydrocarbon case (29), sixth air-supply pipe (27) are installed to one side of U-shaped pipe (30), the internally mounted of sixth air-supply pipe (27) has check valve (28), sixth air-supply pipe (27) and fifth air-supply pipe (18) all are through fastening screw and HEPA filter (26) fixed connection.

5. The hydrocarbon removing device applied to the monitoring equipment of the volatile organic compounds according to claim 4, wherein: outlet duct (5) and feeding cover (6) are installed respectively to the top of work box (1), inlet pipe (33) and feeding cover (6) welded connection, drying chamber (31) are installed to the one end of U-shaped pipe (30), the internally mounted of drying chamber (31) has moisture absorption sponge (32), outlet duct (5) and U-shaped pipe (30) all with drying chamber (31) welded connection.

6. The hydrocarbon removing device applied to the monitoring equipment of the volatile organic compounds according to claim 1, wherein: base (2) are installed to the below of work box (1), be provided with display (3) on the preceding terminal surface of work box (1), base (2) and work box (1) welded connection.