Multi-output zero gas generating device

Abstract

The utility model relates to a multipath output zero gas generating device. The device comprises an air pump and a rack, a first-stage purification tank, a second-stage purification tank, a third-stage purification tank, N fourth-stage purification tanks and a hydrocarbon removal reformer are mounted on the rack, an air outlet of the air pump is communicated with an inlet of the first-stage purification tank through an air inlet switch valve, and an outlet of the first-stage purification tank is communicated with an inlet of the second-stage purification tank; an outlet of the second-stage purification tank is communicated with an inlet of a third-stage purification tank, an outlet of the third-stage purification tank is communicated with N inlets of a hydrocarbon removal reformer through a one-inlet N-outlet adapter, and N outlets of the hydrocarbon removal reformer are respectively communicated with inlets of N fourth-stage purification tanks; outlets of the N four-stage purification tanks are respectively communicated with inlets of N air outlet switch valves through N pressure regulating valves, outlets of the N air outlet switch valves are respectively communicated with N air outlet nozzles, and pressure gauges are mounted on communicating pipelines between the pressure regulating valves and the air outlet switch valves; the gas purifier is better in gas purification effect, compact in structure, small in size and low in cost.

Description

Technical field:

[0001] The utility model relates to a zero gas generating device, in particular to a zero gas generating device with multiple outputs. Background technology:

[0002] Zero gas generator is also called chromatographic air generator. It is used in gas chromatography industry to provide clean and dry air for gas chromatography analysis. Traditional zero gas generator generally completes the output of one channel of zero gas through a series of devices such as purification and gas storage tank. When there is a demand for multiple channels of zero gas, the conventional practice is to use multiple sets of zero gas generators in parallel. This method is costly and occupies a large area, and cannot meet the low cost and miniaturization requirements of equipment in actual applications. Utility model content:

[0003] The technical problem to be solved by the utility model is to provide a multi-channel output zero gas generating device, which not only has a better gas purification effect, but also has a compact overall structure, and has the advantages of small size and low cost.

[0004] The technical solution of this utility model:

[0005] A multi-channel output zero gas generating device comprises an air pump and a frame, wherein a primary purification tank, a secondary purification tank, a tertiary purification tank, N quaternary purification tanks and a hydrocarbon removal converter are installed on the frame, wherein the air outlet of the air pump is connected to the inlet of the primary purification tank through an air inlet switch valve, the outlet of the primary purification tank is connected to the inlet of the secondary purification tank, the outlet of the secondary purification tank is connected to the inlet of the tertiary purification tank, the outlet of the tertiary purification tank is connected to the N inlets of the hydrocarbon removal converter through a 1-in-N-out adapter, the N outlets of the hydrocarbon removal converter are respectively connected to the inlets of N quaternary purification tanks, the outlets of the N quaternary purification tanks are respectively connected to the inlets of N gas outlet switch valves through N pressure regulating valves, the outlets of the N gas outlet switch valves are respectively connected to N gas outlet nozzles, and N pressure gauges are respectively installed on the N connecting pipes between the N pressure regulating valves and the N gas outlet switch valves; and N is a natural number greater than or equal to 2.

[0006] The gas output by the air pump can be purified by the first-stage purification tank, the second-stage purification tank and the third-stage purification tank to remove impurities, oil stains, moisture, etc. in the original gas.

[0007] The adapter converts one gas input into N gas outputs.

[0008] The function of N four-stage purification tanks is to further purify N gas lines separately. The pressure regulating valve and pressure gauge on each line are used to adjust different zero gas output pressures according to different usage conditions. The gas outlet switch valve is used to realize the on-off control of single-line gas.

[0009] The first-stage purification tank, the second-stage purification tank, the third-stage purification tank and the fourth-stage purification tank can be filled with different substances according to the requirements of different occasions, so as to achieve different purification purposes.

[0010] The three-stage purification tank includes a first three-stage purification tank and a second three-stage purification tank, the outlet of the second three-stage purification tank is connected to the inlet of the first three-stage purification tank, the outlet of the first three-stage purification tank is connected to the inlet of the second three-stage purification tank, and the outlet of the second three-stage purification tank is connected to N inlets of the hydrocarbon removal converter through an adapter.

[0011] An air inlet switch valve, N pressure regulating valves, N air outlet switch valves and N pressure gauges are all installed on the frame.

[0012] The dehydrocarbon converter contains a shell, in which a heating block is installed. The heating block is fixedly connected to the inner wall of the shell through an insulating support column with a low thermal conductivity coefficient to prevent the shell temperature from being too high. N reaction pipes are buried inside the heating block, and the inlets and outlets of the N reaction pipes extend from the heating block. The N inlets of the dehydrocarbon converter are respectively connected to the inlets of the N reaction pipes, and the N outlets of the dehydrocarbon converter are respectively connected to the outlets of the N reaction pipes. M heating rods are also evenly arranged in the heating block; M is a natural number greater than or equal to 1.

[0013] The N reaction pipes are all arranged vertically, with their inlets facing upward and their outlets facing downward. The N inlets of the hydrocarbon conversion furnace are all installed on the upper outer side of the shell, and the N outlets of the hydrocarbon conversion furnace are all installed on the lower outer side of the shell; the M heating rods are respectively installed in the M horizontal heating rod installation holes in the heating block.

[0014] A chemical catalyst is installed in the reaction pipe. Under the high temperature environment and the catalysis of the chemical catalyst, hydrocarbon substances in the air will be decomposed to achieve the purpose of hydrocarbon removal.

[0015] In actual use, the temperature of the dehydrocarbon converter can be adjusted by increasing or decreasing the number of heating rods.

[0016] The adapter is installed on the outer side of the shell; a heat insulation board is also arranged on the inner wall of the shell.

[0017] Beneficial effects of the utility model:

[0018] 1. The utility model shares the first-stage purification tank, the second-stage purification tank and the third-stage purification tank in the front, and adopts an adapter in the middle to convert one input into N outputs, which enter the hydrocarbon removal converter, and then adopts N fourth-stage purification tanks to further purify the N gases separately, and then adjust the pressure and output them respectively. The utility model not only has better gas purification effect, but also has a compact overall structure, and has the advantages of small size and low cost.

[0019] 2. The M heating rods in the hydrocarbon removal converter of the utility model are respectively installed in the M heating rod installation holes in the heating block, so that the heating rods can be increased or decreased as needed, so that the heating temperature can be controlled and adjusted.

[0020] 3. Each gas output end of the utility model adopts an independent gas outlet switch valve and an independent pressure regulating valve, which do not interfere with each other, fully meet the use requirements of different occasions, and are more convenient to use. Description of the drawings:

[0021] Figure 1 It is a three-dimensional structural schematic diagram of a zero gas generating device with multiple outputs;

[0022] Figure 2 It is a schematic diagram of the three-dimensional structure of the hydrocarbon removal reformer;

[0023] Figure 3 It is a schematic diagram of the internal three-dimensional structure of the hydrocarbon removal reformer;

[0024] Figure 4 It is a top view structural schematic diagram of a zero gas generating device with multiple outputs;

[0025] Figure 5 This is a schematic diagram of the gas path structure of a zero gas generating device with multiple outputs. Specific implementation method:

[0026] See also Figure 1 to Figure 5 In the figure, the multi-output zero gas generating device comprises an air pump and a frame 5, on which a primary purification tank 1, a secondary purification tank 2, a tertiary purification tank, five quaternary purification tanks 4 and a hydrocarbon removal converter 6 are installed. The air outlet of the air pump is communicated with the inlet of the primary purification tank 1 through an air inlet switch valve 7, the outlet of the primary purification tank 1 is communicated with the inlet of the secondary purification tank 2, the outlet of the secondary purification tank 2 is communicated with the inlet of the tertiary purification tank, the outlet of the tertiary purification tank is communicated with five inlets 6-6 of the hydrocarbon removal converter 6 through a 1-in-5-out adapter 8, the five outlets 6-7 of the hydrocarbon removal converter 6 are respectively communicated with the inlets of five quaternary purification tanks 4, the outlets of the five quaternary purification tanks 4 are respectively communicated with the inlets of five gas outlet switch valves 10 through five pressure regulating valves 9, the outlets of the five gas outlet switch valves 10 are respectively communicated with five gas outlet nozzles 11, and five pressure gauges 12 are respectively installed on the five connecting pipes between the five pressure regulating valves 9 and the five gas outlet switch valves 10.

[0027] After the gas output by the air pump is purified by the primary purification tank 1, the secondary purification tank 2 and the tertiary purification tank, impurities, oil stains, moisture, etc. in the original gas can be removed.

[0028] The adapter 8 converts one-way gas input into five-way gas output.

[0029] The function of the five four-stage purification tanks 4 is to further purify the five gas lines separately. The pressure regulating valve 9 and the pressure gauge 12 on each line are used to adjust different zero gas output pressures according to different usage conditions. The gas outlet switch valve 10 is used to realize the on-off control of the single-line gas.

[0030] The first-stage purification tank 1, the second-stage purification tank 2, the third-stage purification tank and the fourth-stage purification tank 4 can be filled with different substances according to different occasion requirements, so as to achieve different purification purposes.

[0031] The three-stage purification tank includes a first three-stage purification tank 3-1 and a second three-stage purification tank 3-2. The outlet of the second purification tank 2 is connected to the inlet of the first three-stage purification tank 3-1, the outlet of the first three-stage purification tank 3-1 is connected to the inlet of the second three-stage purification tank 3-2, and the outlet of the second three-stage purification tank 3-2 is connected to the five inlets 6-6 of the hydrocarbon removal converter 6 through the adapter 8.

[0032] The air inlet switch valve 7 , five pressure regulating valves 9 , five air outlet switch valves 10 and five pressure gauges 12 are all installed on the frame 5 .

[0033] The dehydrocarbon converter 6 comprises a shell 6-1, in which a heating block 6-2 is installed. The heating block 6-2 is fixedly connected to the inner wall of the shell 6-1 through a heat-insulating support column 6-3 with a low thermal conductivity coefficient to prevent the shell 6-1 from overheating. Five reaction pipes are buried inside the heating block 6-2, and the inlets 6-4 and outlets 6-5 of the five reaction pipes extend from the heating block 6-2. The five inlets 6-6 of the dehydrocarbon converter 6 are respectively connected to the inlets 6-4 of the five reaction pipes, and the five outlets 6-7 of the dehydrocarbon converter 6 are respectively connected to the outlets 6-5 of the five reaction pipes. Six heating rods are also evenly arranged in the heating block 6-2.

[0034] The five reaction pipes are all arranged vertically, the inlets 6-4 of the five reaction pipes are all facing upward, and the outlets 6-5 are all facing downward, the five inlets 6-6 of the dehydrogenation converter 6 are all installed on the upper outer side of the shell 6-1, and the five outlets 6-7 of the dehydrogenation converter 6 are all installed on the lower outer side of the shell 6-1; the six heating rods are respectively installed in the six horizontal heating rod installation holes 6-8 in the heating block 6-2.

[0035] A chemical catalyst is installed in the reaction pipe. Under the high temperature environment and the catalysis of the chemical catalyst, hydrocarbon substances in the air will be decomposed to achieve the purpose of hydrocarbon removal.

[0036] In actual use, the temperature of the hydrocarbon removal converter 6 can be adjusted by increasing or decreasing the number of heating rods.

[0037] The adapter 8 is installed on the outer surface of the shell 6-1; a heat insulation board 6-9 is also provided on the inner wall of the shell 6-1.

Claims

1. A zero gas generating device with multiple outputs, characterized by: It comprises an air pump and a frame, on which a primary purification tank, a secondary purification tank, a tertiary purification tank, N quaternary purification tanks and a hydrocarbon removal converter are installed, the air outlet of the air pump is connected with the inlet of the primary purification tank through an air inlet switch valve, the outlet of the primary purification tank is connected with the inlet of the secondary purification tank, the outlet of the secondary purification tank is connected with the inlet of the tertiary purification tank, the outlet of the tertiary purification tank is connected with the N inlets of the hydrocarbon removal converter through a 1-in-N-out adapter, the N outlets of the hydrocarbon removal converter are respectively connected with the inlets of N quaternary purification tanks, the outlets of the N quaternary purification tanks are respectively connected with the inlets of N gas outlet switch valves through N pressure regulating valves, the outlets of the N gas outlet switch valves are respectively connected with N gas outlet nozzles, and N pressure gauges are respectively installed on the N connecting pipes between the N pressure regulating valves and the N gas outlet switch valves; N is a natural number greater than or equal to 2.

2. The multi-channel output zero gas generating device according to claim 1 is characterized in that: The three-stage purification tank includes a first three-stage purification tank and a second three-stage purification tank, the outlet of the second three-stage purification tank is connected to the inlet of the first three-stage purification tank, the outlet of the first three-stage purification tank is connected to the inlet of the second three-stage purification tank, and the outlet of the second three-stage purification tank is connected to N inlets of the hydrocarbon removal converter through an adapter.

3. The multi-channel output zero gas generating device according to claim 1 is characterized in that: The air inlet switch valve, N pressure regulating valves, N air outlet switch valves and N pressure gauges are all installed on the frame.

4. The multi-output zero gas generating device according to claim 1 is characterized in that: The hydrocarbon removal converter comprises a shell, a heating block is installed in the shell, the heating block is fixedly connected to the inner wall of the shell through a heat-insulating support column, N reaction pipes are buried inside the heating block, the inlets and outlets of the N reaction pipes extend from the heating block, the N inlets of the hydrocarbon removal converter are respectively connected to the inlets of the N reaction pipes, the N outlets of the hydrocarbon removal converter are respectively connected to the outlets of the N reaction pipes, and M heating rods are evenly arranged in the heating block; M is a natural number greater than or equal to 1.

5. The multi-channel output zero gas generating device according to claim 4 is characterized in that: The N reaction pipes are all arranged vertically, with the inlets of the N reaction pipes facing upward and the outlets facing downward. The N inlets of the hydrocarbon removal converter are all installed on the upper outer side of the shell, and the N outlets of the hydrocarbon removal converter are all installed on the lower outer side of the shell; the M heating rods are respectively installed in the M horizontal heating rod installation holes in the heating block.

6. The multi-channel output zero gas generating device according to claim 4 is characterized in that: The adapter is installed on the outer side of the shell; a heat insulation board is also arranged on the inner wall of the shell.

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