Adsorption device for analyzing tail gas generated by high boiling
By designing the adsorption device with adsorption bottle and pipeline structure, the fire problem caused by flash combustion of GC tail gas was solved, and the purification and safe discharge of tail gas were achieved.
Patent Information
- Application Number
- CN202422034820.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-16
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2035-06-16
AI Technical Summary
The quality inspection center used GC to analyze the exhaust gas produced by high boiling point, which flashed at the exhaust vent, causing the flame to mix with the carrier gas hydrogen, further causing a fire in the exhaust duct.
An adsorption device for analyzing tail gas generated by high boiling points was designed, which includes an adsorption bottle, an air inlet pipe and an exhaust pipe. The air inlet pipe is connected to the GC tail gas outlet, and the exhaust pipe is connected to the exhaust duct. An adsorbent is arranged in the adsorption bottle, a filter is used to block particulate matter, and an adsorption solution is used to purify the tail gas.
Effectively eliminate the risk of GC tail gas flash fire, avoid fire, purify tail gas through adsorption, and reduce the emission of harmful substances.
Smart Images

Figure CN223337090U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field related to an adsorption device for analyzing tail gas generated by high boiling point, and particularly relates to an adsorption device for analyzing tail gas generated by high boiling point. Background Art
[0002] The exhaust gas produced by high-pressure gas-producing engines contains a certain amount of harmful gases and particulate matter. In order to purify the exhaust gas, a commonly used treatment method is to use an adsorption device. The adsorption device usually uses an adsorbent to adsorb harmful gases and particulate matter in the exhaust gas, thereby purifying the exhaust gas. These adsorbents have a high specific surface area and porosity, and can effectively adsorb and fix harmful substances. When the adsorbent is saturated, it can be regenerated by thermal desorption or other methods to extend the service life of the device. The main function of the exhaust gas adsorption device produced by a high-pressure gas-producing engine is to purify the harmful gases and particulate matter in the exhaust gas, protect the environment and meet emission standards.
[0003] The quality inspection center currently uses GC analysis to analyze high-boiling exhaust gases, which can flash at the exhaust vent. The flash flame mixes with the residual carrier gas hydrogen in the exhaust, further initiating combustion. If the burning flame is large enough, it can be sucked into the exhaust duct by the exhaust air, causing a fire. Utility Model Content
[0004] The purpose of this utility model is to provide an adsorption device for analyzing high-boiling tail gas, addressing the problem mentioned in the background art mentioned above, whereby high-boiling tail gas currently analyzed by GC in quality inspection centers may flash at the exhaust vent. The flash flame mixes with residual carrier gas hydrogen in the tail gas, further initiating combustion. If the burning flame is large enough, it may be sucked into the exhaust duct by the exhaust air, causing a fire in the exhaust duct.
[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: an adsorption device for analyzing tail gas generated by high boiling point, comprising an adsorption bottle body, wherein the adsorption bottle body transports gas to an internal position through an air intake pipe at the left position of the upper end, and a B port at the lower end position of the air intake pipe is inserted into the internal position of the adsorption bottle body, a connecting pipe is installed at the upper end position of the air intake pipe, and a filter screen B for filtering particulate matter in the gas is provided at the internal position of the connecting pipe, and the filter screen B is tilted to allow the isolated impurities to flow in the direction of the flow, and the flow at the left end position of the connecting pipe is provided. A circulation pipe A, the circulation pipe A is sleeved on the outer wall through a threaded cap, a storage bottle is installed at the lower end of the circulation pipe A, a threaded outlet hole is provided at the middle position of the lower end of the storage bottle, a filter screen A is provided on the inner side of the threaded outlet hole at the upper position, a circulation pipe B is installed on the inner side of the threaded outlet hole, the other end of the circulation pipe B leads to the internal position of the adsorption bottle body, the adsorption bottle body discharges the gas through the exhaust pipe at the right position of the upper end, and the C port at the lower end of the exhaust pipe is inserted into the internal position of the adsorption bottle body.
[0006] Preferably, a liquid storage tank is installed at the right end of the adsorption bottle body, and the liquid storage tank transports the adsorption solution to the inner position of the adsorption bottle body through a water pump at the rear end position. The adsorption bottle body is supported by support bases at the four corners of the lower end.
[0007] Preferably, the water pump transports the adsorption solution at the inner position of the liquid storage tank to the inner position of the adsorption bottle through the water inlet pipe at the upper end position, and a control switch for controlling the operation of the water pump is installed at the right end position of the adsorption bottle.
[0008] Preferably, an inspection port for viewing the interior is installed at the upper end of the adsorption bottle.
[0009] Preferably, the air inlet pipe is connected to the GC tail gas outlet, and the air inlet pipe transports the tail gas to the inner position of the adsorption bottle.
[0010] Preferably, the exhaust duct is installed at the upper end position of the exhaust duct, and the exhaust duct transports the exhausted gas to an external position through the exhaust duct.
[0011] Preferably, the insertion depth of the air intake pipe is greater than the insertion depth of the exhaust pipe.
[0012] Preferably, the filter screen B transports the blocked particles into the flow pipe A at an inclined angle, and the flow pipe A allows the particles to enter the inner position of the storage bottle.
[0013] Preferably, the storage bottle discharges the gas entering the interior through a threaded outlet hole at the lower end thereof, and the threaded outlet hole is connected to the flow pipe B so that the gas enters the interior of the adsorption bottle body.
[0014] Compared with the prior art, the present invention provides an adsorption device for analyzing high-boiling tail gas, which has the following beneficial effects:
[0015] 1. In order to eliminate the fire hazard caused by the flash combustion of GC tail gas, a GC tail gas absorption device is specially developed. The volume of the adsorption bottle is 500 ml. About 200 ml of adsorption solution is added to the adsorption bottle. Two pipeline insertion holes are left on the top of the adsorption bottle, namely the air inlet pipe and the exhaust pipe. The top of the air inlet pipe is connected to the GC tail gas outlet, and the other end B port is inserted into the adsorption bottle at a certain distance from the adsorption solution. The C port of the exhaust pipe is inserted into the adsorption bottle, and the insertion depth is less than the B port. The other end of the exhaust pipe is connected to the exhaust duct. The high-boiling residue in the original GC tail gas will no longer have the risk of tail gas flash combustion after being adsorbed by this adsorption device, thereby further avoiding the possibility of fire.
[0016] 2. In order to prevent large particles from entering the internal position of the adsorption bottle through the air inlet pipe, a connecting pipe is installed at the upper end of the air inlet pipe. The other end of the connecting pipe is used to connect to the GC tail gas outlet. A filter B is set at the internal position of the connecting pipe. When the tail gas enters the internal position of the connecting pipe, it is blocked by the filter B. The filtered particles are allowed to enter the circulation pipe A through the inclination angle of the filter B. The circulation pipe A transports the particles to the storage bottle. The filter B at the bottom of the storage bottle allows the tail gas entering the internal position to continue to circulate through the circulation pipe and enter the internal position of the adsorption bottle. After use, the storage bottle and the circulation pipe A are disassembled through the threaded cap, and then disassembled from the circulation pipe B through the threaded outlet. After disassembly, the storage bottle can be cleaned. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 The utility model is a schematic structural diagram of an adsorption device for analyzing tail gas produced by high boiling point.
[0018] Figure 2 This is a partially enlarged structural schematic diagram of an adsorption device for analyzing tail gas produced by high boiling points according to the present invention.
[0019] FIG3 is a schematic diagram of the internal structure of an adsorption bottle of an adsorption device for analyzing high-boiling tail gas according to the present invention.
[0020] Figure 4 The utility model is a schematic diagram of the internal structure of a storage bottle of an adsorption device for analyzing tail gas generated by high boiling points.
[0021] In the figure: 1. Adsorption bottle body; 2. Support base; 3. Liquid storage tank; 4. Water pump; 5. Control switch; 6. Water inlet pipe; 7. Exhaust pipe; 8. Inspection port; 9. Air inlet pipe; 10. Connecting pipe; 11. Circulation pipe A; 12. Threaded cap; 13. Storage bottle; 14. Circulation pipe B; 15. Filter A; 16. Threaded outlet hole; 17. Filter B; 18. Port B; 19. Port C. DETAILED DESCRIPTION
[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0023] The utility model provides Figure 1-4 The adsorption device for analyzing tail gas generated by high boiling point shown in the figure includes an adsorption bottle body 1, which transports gas to an internal position through an air inlet pipe 9 at the upper left position of the adsorption bottle body 1, and a B port 18 at the lower end position of the air inlet pipe 9 is inserted into the internal position of the adsorption bottle body 1. A connecting pipe 10 is installed at the upper end position of the air inlet pipe 9, and a filter screen B17 for filtering particulate matter in the gas is provided at the internal position of the connecting pipe 10. The filter screen B17 is tilted to allow the isolated impurities to flow in the direction of the flow of the flow pipe A11 located at the left end position of the connecting pipe 10. The flow pipe A11 A storage bottle 13 is installed at the lower end of the circulation pipe A11 through a threaded cap 12 that is sleeved on the outer wall. A threaded hole 16 is provided at the middle position of the lower end of the storage bottle 13. A filter screen A15 is provided on the inner side of the threaded hole 16 at the upper position. A circulation pipe B14 is installed on the inner side of the threaded hole 16. The other end of the circulation pipe B14 leads to the inner position of the adsorption bottle body 1. The adsorption bottle body 1 discharges the gas through the exhaust pipe 7 at the right position of the upper end. The C port 19 at the lower end of the exhaust pipe 7 is inserted into the inner position of the adsorption bottle body 1.
[0024] The tail gas enters the inner position of the adsorption bottle 1 from the GC tail gas outlet through the air inlet pipe 9. In the adsorption bottle 1, the harmful gases and particulate matter in the tail gas will be adsorbed by the adsorbent. Commonly used adsorbents include activated carbon and molecular sieves. After adsorption, the tail gas enters the exhaust pipe 7 and is discharged from the adsorption bottle 1 through the exhaust pipe. In this process, the adsorbent in the adsorption bottle 1 will effectively purify the tail gas and reduce the emission of harmful substances.
[0025] like Figure 1 and Figure 2As shown, a liquid storage tank 3 is installed at the right end position of the adsorption bottle body 1, and the liquid storage tank 3 transports the adsorption solution to the internal position of the adsorption bottle body 1 through the water pump 4 at the rear end position. The adsorption bottle body 1 is supported by the support base 2 at the four corners of the lower end, and the water pump 4 transports the adsorption solution at the internal position of the liquid storage tank 3 to the internal position of the adsorption bottle body 1 through the water inlet pipe 6 at the upper end position. A control switch 5 for controlling the operation of the water pump 4 is installed at the right end position of the adsorption bottle body 1, and an inspection port 8 for viewing the interior is installed at the upper end position of the adsorption bottle body 1. The air intake pipe 9 is connected to the GC tail gas outlet, and the air intake pipe 9 transports the tail gas to the internal position of the adsorption bottle body 1. The upper end position of the exhaust pipe 7 is installed with the exhaust pipe, and the exhaust pipe 7 transports the exhausted gas to the external position through the exhaust pipe. The insertion depth of the air intake pipe 9 is greater than the insertion depth of the exhaust pipe 7.
[0026] The volume of the adsorption bottle 1 is 500 milliliters, and about 200 milliliters of adsorption solution is added to the adsorption bottle. Two pipeline insertion holes are left on the top of the adsorption bottle 1, namely the air intake pipe 9 and the exhaust pipe 7. The top of the air intake pipe 9 is connected to the GC exhaust gas outlet, and the other end B port 18 is inserted into the adsorption bottle and is a certain distance away from the adsorption solution. The C port 19 of the exhaust pipe 7 is inserted into the adsorption bottle 1, and the insertion depth is less than the B port 18. The other end of the exhaust pipe 7 is connected to the exhaust duct. The high-boiling residue in the original GC exhaust gas will no longer have the risk of exhaust gas flash combustion after being adsorbed by this adsorption device, thereby further avoiding the possibility of fire.
[0027] like Figure 3 and Figure 4 As shown, the filter screen B17 transports the blocked particles to the circulation pipe A11 at an inclined angle, and the circulation pipe A11 allows the particles to enter the internal position of the storage bottle 13. The storage bottle 13 discharges the gas entering the interior through the threaded outlet hole 16 at the lower end position. The threaded outlet hole 16 is connected to the circulation pipe B14 to allow the gas to enter the internal position of the adsorption bottle body 1.
[0028] A connecting pipe 10 is installed at the upper end of the air inlet pipe 9, and the other end of the connecting pipe 10 is used to be connected to the GC exhaust outlet. A filter screen B17 is provided at the internal position of the connecting pipe 10. When the exhaust gas enters the internal position of the connecting pipe 10, it is blocked by the filter screen B17. The filtered particulate matter is allowed to enter the circulation pipe A11 through the inclination angle of the filter screen B17. The circulation pipe A11 transports the particulate matter to the storage bottle 13. The filter screen B17 at the bottom of the storage bottle 13 allows the exhaust gas entering the internal position to continue to circulate through the circulation pipe and enter the internal position of the adsorption bottle body 1. After use, the storage bottle 13 is disassembled from the circulation pipe A11 through the threaded cap 12, and then disassembled from the circulation pipe B14 through the threaded outlet hole 16. After disassembly, the storage bottle 13 can be cleaned.
[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. An adsorption device for analyzing high-boiling tail gas, characterized in that: The invention comprises an adsorption bottle body (1), wherein the adsorption bottle body (1) transports gas to an internal position through an air inlet pipe (9) at the left position of the upper end, and a B port (18) at the lower end position of the air inlet pipe (9) is inserted into the internal position of the adsorption bottle body (1), and a connecting pipe (10) is installed at the upper end position of the air inlet pipe (9), and a filter screen B (17) for filtering particulate matter in the gas is provided at the internal position of the connecting pipe (10), and the filter screen B (17) is inclined at an angle so that the isolated impurities flow in the direction of the flow, and a flow pipe A (11) is located at the left end position of the connecting pipe (10), and the flow pipe A (11) is connected to the outer wall position by a sleeve. A threaded cap (12) is provided with a storage bottle (13) at the lower end of the circulation pipe A (11), a threaded outlet hole (16) is provided at the middle position of the lower end of the storage bottle (13), a filter screen A (15) is provided at the upper position of the inner side of the threaded outlet hole (16), a circulation pipe B (14) is provided at the inner position of the threaded outlet hole (16), the other end of the circulation pipe B (14) leads to the inner position of the adsorption bottle body (1), the adsorption bottle body (1) discharges gas through the exhaust pipe (7) at the right position of the upper end, and the C port (19) at the lower end position of the exhaust pipe (7) is inserted into the inner position of the adsorption bottle body (1).
2. The adsorption device for analyzing high-boiling tail gas according to claim 1, characterized in that: A liquid storage tank (3) is installed at the right end of the adsorption bottle (1). The liquid storage tank (3) transports the adsorption solution to the interior of the adsorption bottle (1) via a water pump (4) at the rear end. The adsorption bottle (1) is supported by support bases (2) at the four corners of the lower end.
3. The adsorption device for analyzing high-boiling tail gas according to claim 2, characterized in that: The water pump (4) transports the adsorption solution at an internal position of the liquid storage tank (3) to an internal position of the adsorption bottle (1) through a water inlet pipe (6) at an upper end position. A control switch (5) for controlling the operation of the water pump (4) is installed at a right end position of the adsorption bottle (1).
4. The adsorption device for analyzing high-boiling tail gas according to claim 1, characterized in that: An inspection port (8) for viewing the interior is installed at the upper end of the adsorption bottle (1).
5. The adsorption device for analyzing high-boiling tail gas according to claim 1, characterized in that: The air inlet pipe (9) is connected to the GC tail gas outlet, and the air inlet pipe (9) transports the tail gas to an internal position of the adsorption bottle (1).
6. The adsorption device for analyzing high-boiling tail gas according to claim 1, characterized in that: The exhaust duct (7) is installed at the upper end thereof with an exhaust duct, and the exhaust duct (7) transports the exhausted gas to an external location through the exhaust duct.
7. The adsorption device for analyzing high-boiling tail gas according to claim 1, characterized in that: The insertion depth of the air intake pipe (9) is greater than the insertion depth of the exhaust pipe (7).
8. The adsorption device for analyzing high-boiling tail gas according to claim 1, characterized in that: The filter screen B (17) transports the blocked particles into the circulation pipe A (11) at an inclined angle, and the circulation pipe A (11) allows the particles to enter the inner position of the storage bottle (13).
9. The adsorption device for analyzing high-boiling tail gas according to claim 8, characterized in that: The storage bottle (13) discharges the gas entering the interior through a threaded outlet hole (16) at the lower end thereof. The threaded outlet hole (16) is connected to the flow pipe B (14) so that the gas enters the interior of the adsorption bottle body (1).