Sulfur detector with double combustion positions

Abstract

The utility model discloses a sulfur detector with double combustion positions, which relates to the technical field of coal analysis instruments and comprises a hearth, a first quartz tube and a second quartz tube are arranged in the hearth, and crucibles are respectively arranged in the first quartz tube and the second quartz tube and used for placing samples; the input end of the electrolytic tank is connected with the output end of the second quartz tube; the gas inlet mechanism is used for conveying gas to the hearth; the exhaust mechanism is used for exhausting the gas treated by the electrolytic tank; the input end of the gas caching mechanism is connected with the output end of the first quartz tube, and the output end of the gas caching mechanism is connected with the input end of the electrolytic tank; the utility model aims to solve the problems of low testing efficiency, low testing result and low testing efficiency caused by incomplete electrolysis during testing of a high-sulfur-content sample due to overlong time for converting a sulfur substance into sulfur dioxide or partial sulfur trioxide by high-temperature combustion in a hearth in a sulfur testing test process. The core components of the sulfur detector comprise a hearth, an electrolytic tank, a gas drying assembly and the like, the main cost of the sulfur detector is in the hearth, and the existing sulfur detector only has a single combustion position corresponding to a single hearth, so that the test cost is too high.

Description

Technical Field

[0001] The utility model relates to the technical field of coal quality analysis instruments, in particular to a sulfur measuring instrument with double combustion positions. Background Art

[0002] Sulfur in coal is a harmful element. Coal with high sulfur content will cause great harm during combustion, gasification or coking. For example, when high-sulfur coal is used as fuel, the sulfur dioxide gas produced after combustion not only seriously corrodes the boiler pipes, but also seriously pollutes the atmosphere; in addition, the sulfur content also directly affects the calorific value of coal. Therefore, the sulfur content in coal is an important indicator for coal quality testing.

[0003] Sulfur meter is an instrument for measuring the sulfur content in coal, oil and various minerals. It detects and analyzes the sulfur content in the sample to judge the processing quality of the sample. In particular, sulfur dioxide formed after the combustion of sulfur substances is a strong polluting gas, so it is very important in environmental emission assessment, production application and other aspects.

[0004] In the prior art, the implementation of sulfur analyzers often has the following technical problems: First, during the sulfur measurement test, the duration of high-temperature combustion in the furnace to convert sulfur substances into sulfur dioxide or part of sulfur trioxide determines the test frequency of the instrument, and the existing sulfur analyzers have low test efficiency; Second, during the sulfur measurement test, incomplete electrolysis occurs during the test of samples with high sulfur content, resulting in low test results; Third, the core components of the sulfur analyzer are composed of a furnace, an electrolytic cell, a gas drying component, etc., and the main cost of the instrument is in the furnace. The existing sulfur analyzers only have a single combustion position corresponding to a single furnace, and their testing costs are too high. Utility Model Content

[0005] In order to solve the problems in the background technology, the utility model provides a sulfur meter with dual combustion positions to solve the technical problems such as "in the process of sulfur measurement test, the time for high-temperature combustion in the furnace to convert sulfur substances into sulfur dioxide or part of sulfur trioxide is too long, resulting in low test efficiency, incomplete electrolysis when testing samples with high sulfur content, resulting in low test results, and the core components of the sulfur meter are composed of a furnace, an electrolytic cell, a gas drying component, etc., the main cost of the instrument is in the furnace, the existing sulfur meter only has a single combustion position corresponding to a single furnace, and the testing cost is too high"

[0006] To achieve the above purpose, the technical solution adopted by the utility model is: a sulfur measuring instrument with double combustion positions, comprising:

[0007] A furnace, wherein a first quartz tube and a second quartz tube are arranged in the furnace, and crucibles are arranged in the first quartz tube and the second quartz tube respectively for placing samples;

[0008] An electrolytic cell, wherein an input end of the electrolytic cell is connected to an output end of the second quartz tube;

[0009] An air intake mechanism, used for delivering gas to the furnace;

[0010] An exhaust mechanism, used to discharge the gas treated by the electrolytic cell;

[0011] A gas buffer mechanism, wherein the input end of the gas buffer mechanism is connected to the output end of the first quartz tube, and the output end of the gas buffer mechanism is connected to the input end of the electrolytic cell.

[0012] The beneficial technical effects of the above technical scheme are as follows: the sulfur meter with dual combustion positions, compared with the prior art, has made effective improvements to the overall structure and assembly method of the furnace, electrolytic cell, air intake mechanism, exhaust mechanism and gas buffer mechanism, and has set a first quartz tube and a second quartz tube in the furnace to ensure that the dual combustion position improves the test efficiency and shortens the time for high-temperature combustion in the furnace to convert sulfur substances into sulfur dioxide or part of sulfur trioxide, thereby reducing the test frequency; by setting an electrolytic cell, it solves the technical problems such as "incomplete electrolysis during testing of samples with high sulfur content, resulting in low test results"; by setting a gas buffer mechanism, it is further ensured that the time for high-temperature combustion in the furnace to convert sulfur substances into sulfur dioxide or part of sulfur trioxide is shortened to reduce the test frequency, thereby improving the test efficiency; by adopting a dual combustion position test method in which a first quartz tube and a second quartz tube are set in the furnace, multiple samples can be tested at the same time to reduce the test cost.

[0013] In a preferred embodiment, the first quartz tube and the second quartz tube are arranged parallel to each other.

[0014] The beneficial technical effects of the above technical solution are as follows: by arranging the first quartz tube and the second quartz tube in parallel with each other, the double combustion position is further ensured to improve the test efficiency, shorten the time for high-temperature combustion in the furnace to convert sulfur substances into sulfur dioxide or part of sulfur trioxide, thereby reducing the test frequency and improving the test efficiency.

[0015] In a preferred solution, the gas buffer mechanism comprises a buffer gas tank, and the buffer gas tank is provided with a gas tank piston driving mechanism;

[0016] The input end of the buffer gas tank is connected to the output end of the first quartz tube through an air intake solenoid valve; the output end of the buffer gas tank is connected to the input end of the electrolytic cell through a gas discharge solenoid valve.

[0017] The beneficial technical effects of the above technical solution are as follows: by setting up a buffer gas tank, it is further ensured that during the sulfur measurement test, the time for high-temperature combustion in the furnace to convert sulfur substances into sulfur dioxide or part of sulfur trioxide is shortened, thereby reducing the test frequency of the instrument and improving its test efficiency; the gas after combustion in the first quartz tube is cached or pushed out by the piston drive mechanism; the gas after combustion is controlled by the venting solenoid valve to be transported to the electrolytic cell for electrolysis.

[0018] In a preferred embodiment, the exhaust mechanism comprises a first gas drying assembly, a flow meter and a first air pump;

[0019] The input end of the first gas drying component is connected to the output end of the electrolytic cell, the output end of the first gas drying component is connected to the input end of the flow meter, and the first air pump is connected to the output end of the flow meter.

[0020] The beneficial technical effects of the above technical solution are: the first gas drying component is used to ensure that the gas generated after combustion in the first quartz tube is dried; the flow rate of the gas in the loop is monitored by the flow meter; and the gas after electrolysis is extracted by the first air pump.

[0021] In a preferred solution, the air intake mechanism includes a second air pump and a second air drying assembly;

[0022] The second gas pump is connected to the input ends of the first quartz tube and the second quartz tube respectively through the second gas drying component.

[0023] The beneficial technical effect of the above technical solution is: by setting up a second air pump, it is ensured that the gas is transported in the first quartz tube and the second quartz tube, and the gas is dried by the second gas drying component.

[0024] In a preferred embodiment, a direct electric solenoid valve is provided between the input end of the electrolytic cell and the output end of the second quartz tube;

[0025] The electrolytic cell is communicated with the first quartz tube and the second quartz tube respectively to form two parallel pipelines.

[0026] The beneficial technical effect of the above technical solution is: by setting a direct electric solenoid valve, it is ensured that the gas generated after the combustion of the second quartz tube can be transported to the electrolytic cell in a controllable manner.

[0027] In a preferred solution, a first dust filter is provided between the air intake solenoid valve and the first quartz tube;

[0028] A second dust filter is provided between the direct electric solenoid valve and the second quartz tube.

[0029] The beneficial technical effect of the above technical solution is: by providing a first dust filter between the air intake solenoid valve and the first quartz tube, and providing a second dust filter between the direct electric solenoid valve and the second quartz tube, primary dust filtration of the gas generated after combustion is ensured.

[0030] Preferably, a third dust filter is provided between the direct electric solenoid valve and the electrolytic cell;

[0031] And the third dust filter is located between the air venting solenoid valve and the electrolytic cell.

[0032] The beneficial technical effect of the above technical solution is that a third dust filter is provided between the direct-acting solenoid valve and the electrolytic cell to ensure secondary dust filtration of the gas generated after combustion.

[0033] Preferably, a regulating valve is provided between the output end of the second gas pump and the input end of the second gas drying component.

[0034] The beneficial technical effect of the above technical solution is: by setting the regulating valve, the regulating valve can directly adjust the air intake of the second air pump to ensure that the air intake in the first quartz tube and the second quartz tube is controllable.

[0035] In a preferred embodiment, the furnace is connected to the electrolytic cell, the air intake mechanism, the exhaust mechanism and the gas buffer mechanism through a silicone tube.

[0036] The beneficial technical effect of the above technical solution is: by connecting with silicone tubes, it is ensured that the sulfur dioxide gas generated after combustion is prevented from reacting with or corroding the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0038] Figure 1 A cross-sectional view of the overall structure assembly of a sulfur measuring instrument with dual combustion positions provided in Example 1 of the utility model;

[0039] Figure 2 A schematic diagram of the overall structure assembly of the furnace provided in Example 1 of the utility model;

[0040] Description of reference numerals;

[0041] 1-furnace; 2-first quartz tube; 3-second quartz tube; 4-crucible; 5-electrolytic cell; 6-gas buffer mechanism; 7-buffer gas tank; 8-gas tank piston drive mechanism; 9-intake solenoid valve; 10-exhaust solenoid valve; 11-first gas drying assembly; 12-flow meter; 13-first air pump; 14-second air pump; 15-second gas drying assembly; 16-straight-through electric solenoid valve; 17-first dust filter; 18-second dust filter; 19-third dust filter; 20-regulating valve; 21-silicone tube. DETAILED DESCRIPTION

[0042] Example 1

[0043] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments.

[0044] like Figure 1 to Figure 2 As shown, a sulfur measuring instrument with dual combustion positions comprises:

[0045] A furnace 1, wherein a first quartz tube 2 and a second quartz tube 3 are arranged in the furnace 1, and a crucible 4 is arranged in the first quartz tube 2 and the second quartz tube 3 respectively for placing samples;

[0046] An electrolytic cell 5, wherein an input end of the electrolytic cell 5 is connected to an output end of the second quartz tube 3;

[0047] An air intake mechanism, used for delivering gas to the furnace 1;

[0048] An exhaust mechanism, used to discharge the gas processed by the electrolytic cell 5;

[0049] A gas buffer mechanism 6, wherein the input end of the gas buffer mechanism 6 is connected to the output end of the first quartz tube 2, and the output end of the gas buffer mechanism 6 is connected to the input end of the electrolytic cell 5; by arranging the first quartz tube 2 and the second quartz tube 3 in the furnace 1, the test efficiency is improved by ensuring a double combustion position, and the time for high-temperature combustion in the furnace 1 to convert sulfur substances into sulfur dioxide or part of sulfur trioxide is shortened, thereby reducing the test frequency; by arranging the electrolytic cell 5, the technical problems such as "incomplete electrolysis during testing of samples with high sulfur content leads to low test results" are solved; by arranging the gas buffer mechanism 6, it is further ensured that the time for high-temperature combustion in the furnace 1 to convert sulfur substances into sulfur dioxide or part of sulfur trioxide is shortened, thereby reducing the test frequency, thereby improving the test efficiency; by adopting a double combustion position test method in which the first quartz tube 2 and the second quartz tube 3 are arranged in the furnace 1, multiple samples can be tested at the same time to reduce the test cost.

[0050] In this embodiment, the first quartz tube 2 and the second quartz tube 3 are arranged parallel to each other; by arranging the first quartz tube 2 and the second quartz tube 3 parallel to each other, the double combustion position is further ensured to improve the test efficiency, shorten the time for high-temperature combustion in the furnace 1 to convert sulfur substances into sulfur dioxide or part of sulfur trioxide, so as to reduce the test frequency and thus improve the test efficiency.

[0051] In this embodiment, the gas buffer mechanism 6 includes a buffer gas tank 7, and a gas tank piston driving mechanism 8 is provided on the buffer gas tank 7;

[0052] Specifically, the input end of the buffer gas tank 7 is connected to the output end of the first quartz tube 2 through the air intake solenoid valve 9;

[0053] Specifically, the output end of the buffer gas tank 7 is connected to the input end of the electrolytic cell 5 through the venting solenoid valve 10; by setting the buffer gas tank 7, it is further ensured that during the sulfur measurement test, the time for high-temperature combustion in the furnace 1 to convert sulfur substances into sulfur dioxide or part of sulfur trioxide is shortened, thereby reducing the test frequency of the instrument and improving its test efficiency; the gas after combustion in the first quartz tube 2 is cached or pushed out through the piston drive mechanism 8; the gas after combustion is controlled by the venting solenoid valve to be transported to the electrolytic cell 5 for electrolysis.

[0054] In this embodiment, the exhaust mechanism includes a first gas drying component 11, a flow meter 12 and a first air pump 13;

[0055] Specifically, the input end of the first gas drying component 11 is connected to the output end of the electrolytic cell 5, the output end of the first gas drying component 11 is connected to the input end of the flow meter 12, and the first air pump 13 is connected to the output end of the flow meter 12; the first gas drying component 11 is used to ensure that the gas generated after combustion in the first quartz tube 2 is dried; the flow meter 12 is used to monitor the flow of the gas in the loop; and the first air pump 12 is used to extract the gas after electrolysis.

[0056] In this embodiment, the air intake mechanism includes a second air pump 14 and a second air drying component 15;

[0057] Specifically, the second air pump 14 is connected to the input ends of the first quartz tube 2 and the second quartz tube 3 respectively through the second gas drying component 15; by setting the second air pump 14, it is ensured that the gas is transported in the first quartz tube 2 and the second quartz tube 3, and the gas is dried by the second gas drying component 15.

[0058] In this embodiment, a direct electric solenoid valve 16 is provided between the input end of the electrolytic cell 5 and the output end of the second quartz tube 3;

[0059] Specifically, the electrolytic cell 5 is connected to the first quartz tube 2 and the second quartz tube 3 respectively to form two parallel pipelines; a direct-connection solenoid valve 16 is provided to ensure that the gas generated after the combustion of the second quartz tube 3 is controllably transported to the electrolytic cell 5 .

[0060] In this embodiment, a first dust filter 17 is provided between the air intake solenoid valve 9 and the first quartz tube 2;

[0061] Specifically, a second dust filter 18 is provided between the direct electric solenoid valve 16 and the second quartz tube 3; by providing a first dust filter 17 between the air intake solenoid valve 9 and the first quartz tube 2, and a second dust filter 18 between the direct electric solenoid valve 16 and the second quartz tube 3, primary dust filtration of the gas generated after combustion is ensured.

[0062] In this embodiment, a third dust filter 19 is provided between the direct electric solenoid valve 16 and the electrolytic cell 5;

[0063] And the third dust filter 19 is located between the venting solenoid valve 10 and the electrolytic cell 5; by providing the third dust filter 19 between the direct-acting solenoid valve 16 and the electrolytic cell 5, secondary dust filtration of the gas generated after combustion is ensured.

[0064] In this embodiment, a regulating valve 20 is provided between the output end of the second air pump 14 and the input end of the second gas drying component 15; by setting the regulating valve 20, the regulating valve 20 can directly adjust the air intake of the second air pump 14 to ensure that the air intake in the first quartz tube 2 and the second quartz tube 3 is controllable.

[0065] In this embodiment, the furnace 1 is connected to the electrolytic cell 5, the air intake mechanism, the exhaust mechanism and the gas buffer mechanism 6 through the silicone tube 21; by being connected through the silicone tube 21, it is ensured that the sulfur dioxide gas generated after combustion is prevented from reacting with or corroding the pipeline.

[0066] In this embodiment, more than two quartz tubes can be used in the furnace 1 to further ensure that during the sulfur measurement test, the time for high-temperature combustion in the furnace to convert sulfur substances into sulfur dioxide or part of sulfur trioxide is shortened, thereby reducing the test frequency of the instrument and improving its test efficiency.

[0067] Specific usage of this utility model:

[0068] Step 1: Connect the input end of the buffer gas tank 7 to the output end of the first quartz tube 2 through the silicone tube 21 and the air intake solenoid valve 9;

[0069] Step 2: Connect the second gas pump 14 to the input ends of the first quartz tube 2 and the second quartz tube 3 respectively through the second gas drying assembly 15;

[0070] Step 3: Connect the output end of the buffer gas tank 7 to the input end of the electrolytic cell 5 through the venting solenoid valve 10;

[0071] Step 4: Connect the input end of the first gas drying component 11 to the output end of the electrolytic cell 5, connect the output end of the first gas drying component 11 to the input end of the flow meter 12, and connect the first air pump 13 to the output end of the flow meter 12;

[0072] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0073] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention.

[0074] The above are only preferred implementations of the utility model. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the utility model, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should all be regarded as protection of the utility model.

Claims

1. A sulfur measuring instrument with dual combustion positions, characterized in that include: A furnace (1), wherein a first quartz tube (2) and a second quartz tube (3) are arranged in the furnace (1), and a crucible (4) is respectively arranged in the first quartz tube (2) and the second quartz tube (3) for placing samples; An electrolytic cell (5), wherein an input end of the electrolytic cell (5) is connected to an output end of the second quartz tube (3); An air intake mechanism, used for delivering gas to the furnace (1); An exhaust mechanism for exhausting the gas processed by the electrolytic cell (5); A gas buffer mechanism (6), wherein an input end of the gas buffer mechanism (6) is connected to an output end of the first quartz tube (2), and an output end of the gas buffer mechanism (6) is connected to an input end of the electrolytic cell (5).

2. A sulfur measuring instrument with dual combustion positions according to claim 1, characterized in that: The first quartz tube (2) and the second quartz tube (3) are arranged parallel to each other.

3. A sulfur measuring instrument with dual combustion positions according to claim 1, characterized in that: The gas buffer mechanism (6) comprises a buffer gas tank (7), and a gas tank piston driving mechanism (8) is provided on the buffer gas tank (7); The input end of the buffer gas tank (7) is connected to the output end of the first quartz tube (2) via an air intake solenoid valve (9); and the output end of the buffer gas tank (7) is connected to the input end of the electrolytic cell (5) via an air discharge solenoid valve (10).

4. A sulfur measuring instrument with dual combustion positions according to claim 1, characterized in that: The exhaust mechanism comprises a first gas drying component (11), a flow meter (12) and a first air pump (13); The input end of the first gas drying component (11) is connected to the output end of the electrolytic cell (5), the output end of the first gas drying component (11) is connected to the input end of the flow meter (12), and the first gas pump (13) is connected to the output end of the flow meter (12).

5. A sulfur measuring instrument with dual combustion positions according to claim 1, characterized in that: The air intake mechanism comprises a second air pump (14) and a second air drying component (15); The second gas pump (14) is connected to the input ends of the first quartz tube (2) and the second quartz tube (3) respectively through a second gas drying component (15).

6. A sulfur measuring instrument with dual combustion positions according to claim 3, characterized in that: A direct-flow solenoid valve (16) is provided between the input end of the electrolytic cell (5) and the output end of the second quartz tube (3); the electrolytic cell (5) is connected to the first quartz tube (2) and the second quartz tube (3) respectively, to form two parallel pipelines.

7. A sulfur measuring instrument with dual combustion positions according to claim 6, characterized in that: A first dust filter (17) is provided between the air intake solenoid valve (9) and the first quartz tube (2); and a second dust filter (18) is provided between the direct-flow solenoid valve (16) and the second quartz tube (3).

8. A sulfur measuring instrument with dual combustion positions according to claim 6, characterized in that: A third dust filter (19) is provided between the direct electric solenoid valve (16) and the electrolytic cell (5); and the third dust filter (19) is located between the air release solenoid valve (10) and the electrolytic cell (5).

9. A sulfur measuring instrument with dual combustion positions according to claim 5, characterized in that: A regulating valve (20) is provided between the output end of the second gas pump (14) and the input end of the second gas drying component (15).

10. A sulfur measuring instrument with dual combustion positions according to claim 1, characterized in that: The furnace (1) is connected to the electrolytic cell (5), the air intake mechanism, the exhaust mechanism and the gas buffer mechanism (6) via a silicone tube (21).

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