Medium-temperature gas analyzer for cement plant

Abstract

The utility model provides an intermediate temperature gas analyzer for a cement plant, which belongs to the technical field of gas analysis and comprises a gas analyzer body, a display screen is embedded in the center of the upper surface of the gas analyzer body, an exhaust pipe penetrates through the center of the left side of the gas analyzer body, and an exhaust fan is mounted at the left end of the exhaust pipe. A gas inlet pipe penetrates through the right side of the gas analyzer body; by arranging the carbon monoxide analysis module and the oxygen analysis module, when gas in the cement production kiln is analyzed, the gas in the gas analyzer body is extracted by stretching the probe into the kiln and starting the exhaust fan, and the gas in the kiln enters the drying box from the probe, so that the gas in the kiln is separated from the drying box; the gas enters the gas analyzer body through the gas inlet pipe, and the carbon monoxide content and the oxygen content in the gas in the gas analyzer body are respectively detected through the carbon monoxide analysis module and the oxygen analysis module, so that the synchronization of sampling and analysis of the gas is ensured, and the detection accuracy is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of gas analysis, in particular to a medium-temperature gas analyzer for cement plants. Background Technique

[0002] During the cement production process, the combustion state in key areas such as kilns directly affects the output, quality and energy consumption of cement clinker;

[0003] In order to understand the combustion state in the key area of the kiln, it is usually necessary to detect the contents of carbon monoxide and oxygen to determine the combustion state in the kiln. When the traditional gas analyzer body detects the gas in the cement kiln, the gas analyzer body usually detects the contents of carbon monoxide and oxygen in the kiln separately. The sampling and analysis of the gas are not synchronized, resulting in the measurement accuracy being affected, and it is difficult to meet the needs of cement plants for efficient and accurate monitoring of gas components. Therefore, a medium-temperature gas analyzer body that can simultaneously sample and quickly analyze the contents of carbon monoxide and oxygen is designed to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the problems existing in the above background technique, and a medium-temperature gas analyzer for cement plants is proposed.

[0005] The technical problem to be solved by the utility model is to provide a medium-temperature gas analyzer for cement plants, and solve the problem that in the prior art, during the detection of carbon monoxide and oxygen in the gas in the kiln, the sampling and analysis are not synchronized, affecting the detection accuracy.

[0006] The utility model provides a medium-temperature gas analyzer for cement plants, including a gas analyzer body, a display screen, an exhaust pipe, a suction fan, an intake pipe, a drying box and a probe. The display screen is embedded in the center of the upper surface of the gas analyzer body. The exhaust pipe penetrates through the center of the left side of the gas analyzer body, and a suction fan is installed at the left end of the exhaust pipe. The intake pipe penetrates through the right side of the gas analyzer body, and a drying box is installed at the right end of the intake pipe. A probe is installed at the right end of the drying box. A carbon monoxide analysis module is installed on the left side inside the gas analyzer body, and an oxygen analysis module is installed on the right side inside the gas analyzer body.

[0007] Preferably, the carbon monoxide analysis module is an infrared gas analyzer body, the oxygen analysis module is a zirconia analyzer, and both the carbon monoxide analysis module and the oxygen analysis module are electrically connected to the display screen.

[0008] Preferably, the drying box includes an internal threaded pipe, a rubber plate and a mesh box. The internal threaded pipes penetrate through both the left and right sides of the drying box. The rubber plate is embedded in the upper part inside the drying box, and a mesh box is fixedly arranged at the bottom of the rubber plate. The mesh box is filled with desiccant.

[0009] Preferably, the intake pipe and the probe are respectively threadedly connected to the internally threaded pipes on the left and right sides of the drying oven.

[0010] Preferably, the rubber plate matches the upper opening of the drying oven, and when the rubber plate is embedded in the drying oven, it is airtight with the drying oven.

[0011] Preferably, when the bottom of the wire mesh box is attached to the inner bottom of the drying oven, the horizontal height of the upper surface of the rubber plate is equal to the horizontal height of the upper surface of the drying oven.

[0012] Preferably, the probe includes an external threaded annular groove, a threaded ring, a barrier net, and a sponge layer. An external threaded annular groove is provided on the right side of the outer surface of the probe. A threaded ring is threadedly connected to the external threaded annular groove. A barrier net is fixedly provided on the right side of the threaded ring, and a sponge layer is filled in the barrier net.

[0013] Preferably, the barrier net is in a hollow hemispherical shape, and the sponge layer is in a hemispherical shape matching the barrier net.

[0014] 1. By providing a carbon monoxide analysis module and an oxygen analysis module, when analyzing the gas in the cement production kiln, the probe is inserted into the kiln, the exhaust fan is turned on, the gas in the gas analyzer body is pumped out, the gas in the kiln enters the drying oven through the probe, and then enters the gas analyzer body through the intake pipe. The carbon monoxide analysis module and the oxygen analysis module respectively detect the carbon monoxide content and oxygen content in the gas in the gas analyzer body, ensuring synchronous sampling and analysis of the gas, ensuring the accuracy of detection, and adsorbing water vapor in the gas through the drying oven to ensure the dryness of the gas and prevent water vapor from affecting the detection result, further ensuring the accuracy of detection.

[0015] 2. By providing a drying oven, the gas of the probe enters the drying oven through the internally threaded pipe on the right side of the drying oven. The desiccant in the wire mesh box adsorbs the water vapor in the gas to ensure the dryness of the gas and the accuracy of detection. By pulling up the rubber plate and removing the wire mesh box, it is convenient to replace the wire mesh box.

[0016] 3. By providing a barrier net and a sponge layer, an internally threaded ring is threadedly connected to the right end of the probe, and a barrier net is installed on the internally threaded ring. The barrier net can block dust in the gas to prevent dust from entering the probe and causing the probe to be blocked. Moreover, the barrier net is filled with a sponge layer to further prevent dust from entering the probe and prevent the probe from being blocked. By rotating the internally threaded ring and removing the barrier net and the sponge layer, it is convenient to clean or replace the barrier net and the sponge layer. Description of the Drawings

[0017] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0018] Figure 1 Schematic three-dimensional view of the overall structure of the present invention.

[0019] Figure 2 Schematic cross-sectional view of the gas analyzer body of the present invention.

[0020] Figure 3 Schematic exploded three-dimensional view of the drying box of the present invention.

[0021] Figure 4 Schematic exploded three-dimensional view of the probe of the present invention.

[0022] [Reference numerals]

[0023] 1. Gas analyzer body; 2. Display screen; 3. Exhaust pipe; 4. Exhaust fan; 5. Intake pipe; 6. Drying box; 601. Internal threaded pipe; 602. Rubber plate; 603. Mesh box; 7. Probe; 701. External threaded annular groove; 702. Threaded ring; 703. Blocking net; 704. Sponge layer; 8. Carbon monoxide analysis module; 9. Oxygen analysis module. Specific embodiments Embodiment

[0024] As Figures 1 - 4 shown, the embodiment of the present invention provides a medium-temperature gas analyzer for a cement plant, including a gas analyzer body 1, a display screen 2, an exhaust pipe 3, an exhaust fan 4, an intake pipe 5, a drying box 6 and a probe 7. A display screen 2 is embedded in the center of the upper surface of the gas analyzer body 1. An exhaust pipe 3 penetrates through the center of the left side of the gas analyzer body 1. An exhaust fan 4 is installed at the left end of the exhaust pipe 3. An intake pipe 5 penetrates through the right side of the gas analyzer body 1. A drying box 6 is installed at the right end of the intake pipe 5. A probe 7 is installed at the right end of the drying box 6. A carbon monoxide analysis module 8 is installed on the left side inside the gas analyzer body 1. An oxygen analysis module 9 is installed on the right side inside the gas analyzer body 1.

[0025] In this embodiment, the carbon monoxide analysis module 8 is an infrared gas analyzer body, the oxygen analysis module 9 is a zirconia analyzer, and both the carbon monoxide analysis module 8 and the oxygen analysis module 9 are electrically connected to the display screen 2.

[0026] The utility model is provided with a carbon monoxide analysis module 8 and an oxygen analysis module 9. When analyzing the gas in the cement production kiln, the probe is inserted into the kiln, the exhaust fan 4 is turned on, and the gas in the gas analyzer body 1 is pumped out. The gas in the kiln enters the drying box 6 from the probe 7, and then enters the gas analyzer body 1 through the air inlet pipe 5. The carbon monoxide analysis module 8 and the oxygen analysis module 9 respectively detect the carbon monoxide content and oxygen content in the gas in the gas analyzer body 1, ensuring that the gas sampling and analysis are synchronized, ensuring the accuracy of the detection. Moreover, the water vapor in the gas is adsorbed by the drying box 6 to ensure the dryness of the gas, preventing the water vapor from affecting the detection result and further ensuring the accuracy of the detection.

[0027] In this embodiment, the drying box 6 includes an internal threaded pipe 601, a rubber plate 602 and a mesh box 603. The internal threaded pipes 601 are penetrated through both the left and right sides of the drying box 6. The rubber plate 602 is embedded in the upper part inside the drying box 6. A mesh box 603 is fixedly arranged at the bottom of the rubber plate 602, and the mesh box 603 is filled with desiccant.

[0028] In this embodiment, the air inlet pipe 5 and the probe 7 are respectively threadedly connected to the internal threaded pipes 601 on both the left and right sides of the drying box 6, facilitating the installation of the drying box 6.

[0029] In this embodiment, the rubber plate 602 matches the upper opening of the drying box 6, and when the rubber plate 602 is embedded in the drying box 6, it is in airtight connection with the drying box 6, preventing the gas from leaking from the gap between the rubber plate 602 and the drying box 6.

[0030] In this embodiment, when the bottom of the mesh box 603 is attached to the inner bottom of the drying box 6, the upper surface horizontal height of the rubber plate 602 is equal to the upper surface horizontal height of the drying box 6.

[0031] By setting the drying box 6, the gas of the probe 7 enters the drying box 6 through the internal threaded pipe 601 on the right side of the drying box 6. The desiccant in the mesh box 603 adsorbs the water vapor in the gas, ensuring the dryness of the gas and the accuracy of the detection. Moreover, by pulling up the rubber plate 602 to take out the mesh box 603, it is convenient to replace the mesh box 603.

[0032] In this embodiment, the probe 7 includes an external threaded annular groove 701, a threaded ring 702, a blocking net 703 and a sponge layer 704. The external threaded annular groove 701 is arranged on the outer surface on the right side of the probe 7. A threaded ring 702 is threadedly connected to the external threaded annular groove 701. A blocking net 703 is fixedly arranged on the right side of the threaded ring 702, and a sponge layer 704 is filled in the blocking net 703.

[0033] In this embodiment, the blocking net 703 is in a hollow hemispherical shape, and the sponge layer 704 is in a hemispherical shape matching the blocking net 703.

[0034] By providing a blocking net 703 and a sponge layer 704, an internal thread ring 702 is threadedly connected to the right end of the probe 7, and the blocking net 703 is installed on the internal thread ring 702. The blocking net 703 can block dust in the gas, preventing the dust from entering the probe 7 and causing the probe 7 to be blocked. Moreover, the sponge layer 704 is filled in the blocking net 703 to further prevent dust from entering the probe 7 and prevent the probe 7 from being blocked. By rotating the internal thread ring 702, the blocking net 703 and the sponge layer 704 can be taken out, which is convenient for cleaning or replacing the blocking net 703 and the sponge layer 704.

[0035] The above are only the preferred embodiments of the present invention. It should be noted that for those skilled in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, which should also be regarded as the protection scope of the present invention, and these will not affect the implementation effect of the present invention and the practicability of the patent.

Claims

1. Medium-temperature gas analyzer for cement plant, characterized in that: It includes a gas analyzer body (1), a display screen (2), an exhaust pipe (3), an exhaust fan (4), an intake pipe (5), a drying box (6) and a probe (7). The display screen (2) is embedded in the center of the upper surface of the gas analyzer body (1). The exhaust pipe (3) runs through the center of the left side of the gas analyzer body (1). The exhaust fan (4) is installed at the left end of the exhaust pipe (3). The intake pipe (5) runs through the right side of the gas analyzer body (1). The drying box (6) is installed at the right end of the intake pipe (5). The probe (7) is installed at the right end of the drying box (6). A carbon monoxide analysis module (8) is installed on the left side inside the gas analyzer body (1), and an oxygen analysis module (9) is installed on the right side inside the gas analyzer body (1).

2. The medium-temperature gas analyzer for cement plants according to claim 1, characterized in that: The carbon monoxide analysis module (8) is an infrared gas analyzer body, and the oxygen analysis module (9) is a zirconia analyzer. Both the carbon monoxide analysis module (8) and the oxygen analysis module (9) are electrically connected to the display screen (2).

3. The medium-temperature gas analyzer for a cement plant according to claim 2, characterized in that: The drying box (6) includes an internally threaded pipe (601), a rubber plate (602) and a mesh box (603). The internally threaded pipes (601) run through both the left and right sides of the drying box (6). The rubber plate (602) is embedded in the upper part inside the drying box (6). The mesh box (603) is fixedly arranged at the bottom of the rubber plate (602), and the mesh box (603) is filled with desiccant.

4. The medium-temperature gas analyzer for a cement plant according to claim 3, characterized in that: The intake pipe (5) and the probe (7) are respectively threadedly connected to the internally threaded pipes (601) on both sides of the drying box (6).

5. The medium-temperature gas analyzer for a cement plant according to claim 4, characterized in that: The rubber plate (602) matches the upper opening of the drying box (6), and when the rubber plate (602) is embedded in the drying box (6), it is airtight with the drying box (6).

6. The medium-temperature gas analyzer for a cement plant according to claim 5, wherein: When the bottom of the mesh box (603) is attached to the inner bottom of the drying box (6), the horizontal height of the upper surface of the rubber plate (602) is equal to the horizontal height of the upper surface of the drying box (6).

7. The medium-temperature gas analyzer for a cement plant according to claim 1, wherein: The probe (7) includes an externally threaded annular groove (701), a threaded ring (702), a blocking net (703) and a sponge layer (704). The externally threaded annular groove (701) is arranged on the right side of the outer surface of the probe (7). The threaded ring (702) is threadedly connected to the externally threaded annular groove (701). The blocking net (703) is fixedly arranged on the right side of the threaded ring (702), and the sponge layer (704) is filled in the blocking net (703).

8. The medium-temperature gas analyzer for a cement plant according to claim 7, characterized in that: The blocking net (703) is in a hollow hemispherical shape, and the sponge layer (704) is in a hemispherical shape matching the blocking net (703).

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