Multi-channel gas analyzer

Abstract

The utility model discloses a multi-channel gas analyzer which comprises a gas production main pipeline, a first producer, a second producer, a third producer, a sampling pump, a sampling pump, an analyzer, a producer PLC (Programmable Logic Controller), a pipeline sampling pipe, a first sampling pipeline, a second sampling pipeline and a third sampling pipeline, the first generation furnace, the second generation furnace and the third generation furnace are transversely distributed at equal intervals, conveying pipes are arranged at the tops of the first generation furnace, the second generation furnace and the third generation furnace, and the first generation furnace, the second generation furnace and the third generation furnace are connected with a gas production main pipeline through the conveying pipes; the sampling pump is connected with the gas production main pipeline through a pipeline sampling pipe, the sampling pump is connected with the first generation furnace through a first sampling pipeline, the sampling pump is connected with the second generation furnace through a second sampling pipeline, and the sampling pump is connected with the third generation furnace through a third sampling pipeline. According to the device, a human participation part is canceled, and the timeliness of sampling analysis is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of generators, in particular to a multi-channel gas analyzer. Background Art

[0002] Producer gas is the basic carrier gas for heat treatment furnaces. The quality of the produced gas is the prerequisite for ensuring the stable operation of heat treatment equipment and product quality. Currently, the three-gas spot checks of producer gas are mostly carried out manually.

[0003] The existing producer gas equipment has the following defects:

[0004] The three-gas analyzer of the existing generator does not have an alarm function, and data needs to be read manually for judgment. In most heat treatment plants, the online sampling and analysis of the generator gas is the responsibility of production personnel. Under the tight production rhythm, it is difficult to ensure the timeliness of the detection. Therefore, a solution is needed. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a multi-channel gas analyzer to solve the problems raised in the above background technology.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the utility model is implemented through the following technical solutions: a multi-channel gas analyzer, including a gas production main pipeline, a first generator, a second generator, a third generator, a sampling pump, a sampling pump, an analyzer, a generator PLC, a pipeline sampling tube, a first sampling pipeline, a second sampling pipeline and a third sampling pipeline, the first generator, the second generator and the third generator are distributed in a horizontally equidistant manner, the tops of the first generator, the second generator and the third generator are all provided with a conveying pipe, the first generator, the second generator and the third generator are connected to the gas production pipeline through the conveying pipe The sampling pump is connected to the main gas pipeline through the pipeline sampling pipe, the sampling pump is connected to the first generator through the first sampling pipe, the sampling pump is connected to the second generator through the second sampling pipe, the sampling pump is connected to the third generator through the third sampling pipe, the pipeline sampling pipe, the first sampling pipe, the second sampling pipe and the third sampling pipe are all provided with sampling pipes on their sides, the pipeline sampling pipe, the first sampling pipe, the second sampling pipe and the third sampling pipe are all connected to the sampling pump through the sampling pipe, and a sampling solenoid valve is provided in the sampling pipe.

[0009] Preferably, the analyzer is connected to the sampling pump via a pipeline, and the analyzer is connected to the generator PLC via a connecting line.

[0010] Preferably, a hand valve is provided in the delivery pipe.

[0011] Preferably, one-way valves are provided in the pipeline sampling tube, the first sampling pipeline, the second sampling pipeline and the third sampling pipeline.

[0012] (III) Beneficial effects

[0013] The utility model provides a multi-channel gas analyzer. It has the following beneficial effects:

[0014] This multi-channel gas analyzer eliminates the human involvement part, ensuring the timeliness of sampling and analysis. The new design uses automatic switching of sampling points to avoid omissions in manual sampling. The new design has an alarm function that can remind production personnel to discover gas quality problems as soon as possible. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] In the figure, 1. gas production main pipeline; 2. first generator; 3. second generator; 4. third generator; 5. sampling pump; 6. sampling pump; 7. analyzer; 8. generator PLC; 9. pipeline sampling tube; 10. first sampling pipeline; 11. second sampling pipeline; 12. third sampling pipeline; 13. sampling pipeline; 14. sampling solenoid valve; 15. one-way valve; 16. delivery pipe; 17. hand valve. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1 The embodiment of the utility model provides a technical solution: a multi-channel gas analyzer, including a gas production main pipeline 1, a first generator 2, a second generator 3, a third generator 4, a sampling pump 5, a sampling pump 6, an analyzer 7, a generator PLC 8, a pipeline sampling pipe 9, a first sampling pipe 10, a second sampling pipe 11 and a third sampling pipe 12, the first generator 2, the second generator 3 and the third generator 4 are distributed in a horizontally equidistant manner, the tops of the first generator 2, the second generator 3 and the third generator 4 are all provided with a conveying pipe 16, and the first generator 2, the second generator 3 and the third generator 4 are all connected to the gas production main pipeline 1 through the conveying pipe 16;

[0019] The sampling pump 5 is connected to the gas production main pipeline 1 through the pipeline sampling pipe 9, the sampling pump 5 is connected to the first generator 2 through the first sampling pipe 10, the sampling pump 5 is connected to the second generator 3 through the second sampling pipe 11, and the sampling pump 5 is connected to the third generator 4 through the third sampling pipe 12. The pipeline sampling pipe 9, the first sampling pipe 10, the second sampling pipe 11 and the third sampling pipe 12 are all provided with sampling pipes 13 on their sides. The pipeline sampling pipe 9, the first sampling pipe 10, the second sampling pipe 11 and the third sampling pipe 12 are all connected to the sampling pump 6 through the sampling pipe 13, and the sampling pipe 13 is provided with a sampling solenoid valve 1 4. When the first generator 2, the second generator 3 and the third generator 4 start to produce gas, the control system simultaneously controls the sampling pump 5 to start extracting sample gas, and the sampling pump 7 is also started at the same time. The control system polls the sampling solenoid valves 14 on the side sampling pipes 13 of the control pipe 9, the first sampling pipe 10, the second sampling pipe 11 and the third sampling pipe 12 according to the set switching cycle and analysis time, opens the solenoid valves of the pipes that need to be analyzed, and closes the other solenoid valves. The generator PLC 8 reads the analyzer data through communication, saves the sampling data records, and at the same time, according to the pre-set alarm value, issues an alarm when the gas production data exceeds the alarm value.

[0020] Furthermore, the analyzer 7 is connected to the sampling pump 6 through a pipeline, and the analyzer 7 is connected to the generator PLC8 through a connecting line. The sampling pump 6 transports the gas to the analyzer 7 for analysis, and then the analyzer 7 transmits the analysis information to the generator PLC8 for operation.

[0021] Specifically, a manual valve 17 is provided in the delivery pipe 16. The delivery pipes 16 at the top of the first generator 2, the second generator 3 and the third generator 4 are used to deliver the internal gas to the main gas production pipeline 1, and the manual valve 17 can control the amount of gas delivery and close the delivery pipe 16, thereby further stopping the delivery of the gas in the first generator 2, the second generator 3 and the third generator 4.

[0022] Differently, the pipeline sampling tube 9, the first sampling tube 10, the second sampling tube 11 and the third sampling tube 12 are all provided with a one-way valve 15, and all the sampling tubes are connected to the same sampling pump 5 after passing through independent one-way valves 15. The purpose of this is to ensure the freshness of the sample gas in the gas pipeline, reduce the lag in gas extraction when sampling is needed, reduce the sampling time, and also speed up the switching frequency of multiple channels.

[0023] Working principle: During operation, when the first generator 2, the second generator 3, and the third generator 4 start to produce gas, the control system simultaneously controls the sampling pump 5 to start extracting sample gas, and the sampling pump 7 is also started at the same time. The control system polls the sampling solenoid valves 14 on the side sampling pipes 13 of the control pipe 9, the first sampling pipe 10, the second sampling pipe 11, and the third sampling pipe 12 according to the set switching cycle and analysis time, opens the solenoid valves of the pipes that need to be analyzed, and closes the other solenoid valves. The generator PLC8 reads the analyzer data through communication, saves the sampling data records, and at the same time, according to the pre-set alarm value, issues an alarm when the gas production data exceeds the alarm value.

[0024] The components of the utility model, 1, gas production main pipeline; 2, first generator; 3, second generator; 4, third generator; 5, sampling pump; 6, sampling pump; 7, analyzer; 8, generator PLC; 9, pipeline sampling tube; 10, first sampling tube; 11, second sampling tube; 12, third sampling tube; 13, sampling tube; 14, sampling solenoid valve; 15, one-way valve; 16, delivery tube; 17, hand valve, are all common standard parts or parts known to those skilled in the art, and their structures and principles are all known to those skilled in the art through technical manuals or conventional experimental methods. It is learned that the problem solved by the utility model is that the three-gas analyzer of the existing generator itself does not have an alarm function, and manual data reading is required for judgment. The online sampling and analysis of the generator gas in most heat treatment plants are the responsibility of production personnel. Under the condition of tight production rhythm, it is difficult to ensure the timeliness of detection. The utility model eliminates the part of human participation through the combination of the above-mentioned components, thereby ensuring the timeliness of sampling and analysis. The new design adopts automatic switching of sampling points to avoid the omission problem of manual sampling. The new design has an alarm function, which can remind production personnel to discover gas quality problems at the first time.

[0025] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A multi-channel gas analyzer, characterized in that: The invention comprises a gas production main pipeline (1), a first generator (2), a second generator (3), a third generator (4), a sampling pump (5), a sampling pump (6), an analyzer (7), a generator PLC (8), a pipeline sampling pipe (9), a first sampling pipe (10), a second sampling pipe (11) and a third sampling pipe (12); the first generator (2), the second generator (3) and the third generator (4) are distributed in a transversely equidistant manner; a conveying pipe (16) is provided on the top of the first generator (2), the second generator (3) and the third generator (4); the first generator (2), the second generator (3) and the third generator (4) are connected to the gas production main pipeline (1) via the conveying pipe (16); The sampling pump (5) is connected to the gas production main pipeline (1) through a pipeline sampling pipe (9), the sampling pump (5) is connected to the first generator (2) through a first sampling pipe (10), the sampling pump (5) is connected to the second generator (3) through a second sampling pipe (11), and the sampling pump (5) is connected to the third generator (4) through a third sampling pipe (12). The pipeline sampling pipe (9), the first sampling pipe (10), the second sampling pipe (11) and the third sampling pipe (12) are all provided with sampling pipes (13) on their sides. The pipeline sampling pipe (9), the first sampling pipe (10), the second sampling pipe (11) and the third sampling pipe (12) are all connected to the sampling pump (6) through the sampling pipe (13), and a sampling solenoid valve (14) is provided in the sampling pipe (13).

2. A multi-channel gas analyzer according to claim 1, characterized in that: The analyzer (7) is connected to the sampling pump (6) through a pipeline, and the analyzer (7) is connected to the generator PLC (8) through a connecting line.

3. A multi-channel gas analyzer according to claim 1, characterized in that: A hand valve (17) is provided in the delivery pipe (16).

4. A multi-channel gas analyzer according to claim 1, characterized in that: One-way valves (15) are provided in the pipeline sampling tube (9), the first sampling pipeline (10), the second sampling pipeline (11) and the third sampling pipeline (12).

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