Device for high-temperature flow stabilization of VOCs online monitoring system

Abstract

The utility model relates to the technical field of VOCs (Volatile Organic Compounds) monitoring, and discloses a device for high-temperature flow stabilization of an online VOCs monitoring system, which comprises a high-temperature flow stabilization box, a temperature control mechanism arranged on the surface of the high-temperature flow stabilization box, an air inlet filtering mechanism arranged on the surface of the high-temperature flow stabilization box, and an air outlet filtering mechanism arranged on the surface of the high-temperature flow stabilization box. The temperature in the high-temperature steady-flow box is controlled through a temperature control mechanism, heating is conducted through an electric heating pipe in a heating box when the device works, heat of the electric heating pipe is continuously sent into the high-temperature steady-flow box through an air inlet fan to heat smoke, and the temperature in the high-temperature steady-flow box is detected through a temperature sensor; when the temperature is too high, the electric heating pipe stops working, when the high-temperature steady-flow box needs to be overhauled, the electric heating pipe stops, hot air is exhausted out of the device through the exhaust fan and the exhaust valve, a worker can conduct overhauling conveniently, the working efficiency of the device can be improved through the arrangement of the mechanism, and temperature control is quite efficient.

Description

Technical Field

[0001] This utility model relates to the field of VOCs monitoring technology, specifically a device for high-temperature stabilization of VOCs online monitoring system. Background Technology

[0002] Generally, VOCs flue gas is pretreated before detection to prevent other substances in the VOCs flue gas from interfering with or damaging the VOC analyzer.

[0003] According to a patent application published on the internet (authorization announcement number: CN215812591U), "This utility model discloses a device for high-temperature flow stabilization in a VOCs online monitoring system, comprising a high-temperature flow stabilization box. An air pump is installed through the top surface of the high-temperature flow stabilization box, a pneumatic valve A is installed through one side surface of the high-temperature flow stabilization box, a manual regulating valve is installed at the bottom of the high-temperature flow stabilization box, a pneumatic valve B is provided on one side of the manual regulating valve, and a chromatograph is installed on one side of the high-temperature flow stabilization box. The interior of the high-temperature flow stabilization box includes a filter, a heat tracing pipe, a heating module, a three-way connector A, a three-way connector B, a pressure regulating pipe, and a detection pipe. Compared with existing technologies, this utility model allows flue gas to be transported entirely within the high-temperature flow stabilization box, eliminating external air connectors and reducing the probability of contact below the dew point. This significantly improves the heat tracing efficiency of the flue gas online monitoring system, reduces the adsorption loss of pollutants in the flue gas, improves the stability and accuracy of system measurement data, and reduces maintenance costs."

[0004] Based on the above, the applicant believes the following deficiencies exist:

[0005] The device for high-temperature flow stabilization in the VOCs online monitoring system includes a high-temperature flow stabilization box, which can significantly improve the heat tracing efficiency of the flue gas online monitoring system, reduce the adsorption loss of pollutants in the flue gas, improve the stability and accuracy of the system measurement data, and reduce maintenance costs. However, this device cannot control the internal temperature of the device, cannot adjust the internal temperature of the device according to the needs, and cannot guarantee the detection efficiency. Utility Model Content

[0006] The purpose of this invention is to provide a device for high-temperature stabilization of VOCs in an online monitoring system, so as to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a device for high-temperature flow stabilization in a VOCs online monitoring system, comprising a high-temperature flow stabilization box, wherein a temperature control mechanism is provided on the surface of the high-temperature flow stabilization box, and an air intake filter mechanism is provided on the surface of the high-temperature flow stabilization box;

[0008] The temperature control mechanism includes a heating box, which is fixedly connected to the middle sections of the left and right ends of a high-temperature stabilizing box. A connector is fixedly connected to the top and bottom of the outer end of the heating box, and a barrier door is inserted into the connector. An installation base is installed inside the heating box, and an electric heating element is installed on the surface of the installation base. An installation frame is fixedly connected to the middle sections of the left and right ends of the high-temperature stabilizing box, and an air intake fan is installed inside the installation frame. A dustproof net is installed on the inner side of the installation frame. Insulation boards are fixedly connected to the top of the left and right sides and the top of the back of the high-temperature stabilizing box. A heat exhaust port is fixedly connected to the top right end of the high-temperature stabilizing box, and an exhaust fan is installed inside the heat exhaust port. A second dustproof net is installed at the bottom of the heat exhaust port. A third exhaust fan is fixedly connected to the top right end of the high-temperature stabilizing box. The exhaust chamber has an exhaust valve fixedly connected to its top right end, and an exhaust pipe fixedly connected to its top. A temperature sensor is installed on the top back of the high-temperature stabilizing chamber. The temperature inside the high-temperature stabilizing chamber is controlled by a temperature control mechanism. During operation, the device is heated by an electric heating element inside the heating chamber. An intake fan continuously delivers the heat from the electric heating element into the high-temperature stabilizing chamber to heat the flue gas. The temperature sensor detects the temperature inside the high-temperature stabilizing chamber, and stops the electric heating element when the temperature is too high. When maintenance of the high-temperature stabilizing chamber is required, the electric heating element is stopped, and the hot gas is discharged from the device through the exhaust fan and exhaust valve, facilitating maintenance. This mechanism improves the device's operating efficiency and provides highly efficient temperature control.

[0009] Preferably, the heating box is provided in two sets, and the mounting base and electric heating tube are provided in four sets.

[0010] Preferably, the air intake filtration mechanism includes a filter box, which is fixedly connected to the top left end of the high-temperature flow stabilizing box. A filter box inspection door is provided on the front of the filter box. Filter plate mounting seats are fixedly connected to the left and right ends inside the filter box. Inert metal weak adsorption material filter plates are inserted into the filter plate mounting seats. An air intake pipe is fixedly connected to the top of the filter box. An air intake valve is fixedly connected to the left end of the air intake pipe. An air inlet is fixedly connected to the left end of the air intake valve. A bracket is fixedly connected to the bottom of the air intake valve. A first air pump is fixedly connected to the bottom of the filter box. An air delivery pipe is fixedly connected to the bottom of the first air pump. A partition is fixedly connected to the middle section inside the high-temperature flow stabilizing box. A second air pump is fixedly connected to the top right end of the partition. An air delivery pipe bracket is fixedly connected to the top of the partition.

[0011] Preferably, the end of the gas delivery pipe furthest from the first gas pump is fixedly connected to the top of the second gas pump, the gas delivery pipe is disposed inside the gas delivery pipe support, and two sets of inert metal weak adsorption material filter plates are provided.

[0012] Preferably, mounting blocks are fixedly connected to the top and bottom rear ends of the left and right ends of the high-temperature current stabilizer box, a control panel is fixedly connected to the top of the left end of the high-temperature current stabilizer box, and a partition is fixedly connected to the middle section inside the high-temperature current stabilizer box.

[0013] Preferably, the high-temperature constant flow chamber has a high-temperature processing chamber at the top and a chromatograph storage chamber at the bottom, with a chromatograph installed inside the storage chamber. A removable cover is installed at the bottom front of the high-temperature constant flow chamber, with an observation window fixedly connected to the front of the removable cover. An inspection door is provided at the top front of the high-temperature constant flow chamber. An exhaust pump is fixedly connected to the bottom right end of the high-temperature constant flow chamber, with an exhaust pipe fixedly connected to the bottom of the exhaust pump.

[0014] Compared with the prior art, this utility model provides a device for high-temperature stabilization of VOCs online monitoring system, which has the following beneficial effects:

[0015] 1. The high-temperature stabilization device of this VOCs online monitoring system is equipped with a temperature control mechanism. This mechanism controls the temperature inside the high-temperature stabilization box. During operation, the device heats the flue gas through an electric heating element inside the heating chamber. The heat from the heating element is continuously delivered into the high-temperature stabilization box by an intake fan. A temperature sensor detects the temperature inside the high-temperature stabilization box. When the temperature is too high, the heating element stops working. When maintenance of the high-temperature stabilization box is required, the heating element is stopped, and the hot air is discharged from the device through an exhaust fan and exhaust valve, facilitating maintenance by personnel. This mechanism improves the working efficiency of the device and provides highly efficient temperature control.

[0016] 2. The VOCs online monitoring system with high temperature and stable flow is equipped with an air intake filter mechanism. The air intake filter mechanism can filter the flue gas entering the device and effectively adsorb the suspended matter in the flue gas to prevent particulate matter from entering the chromatograph and causing damage. The use of inert metal weak adsorption material filter plates can ensure the filtration effect while reducing sample gas adsorption loss. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2This is a schematic diagram of the temperature control mechanism of this utility model.

[0020] Figure 3 This is a schematic diagram of the heat dissipation port of this utility model.

[0021] Figure 4 This is a schematic diagram of the air intake filtration mechanism of this utility model;

[0022] Figure 5 This is a schematic diagram of the internal structure of this utility model.

[0023] In the diagram: 1. High-temperature constant flow chamber; 2. Mounting block; 3. Control panel; 4. Partition; 5. High-temperature treatment chamber; 51. Inspection door; 6. Chromatograph storage chamber; 61. Removable cover; 62. Observation window; 63. Exhaust pump; 64. Exhaust pipe; 7. Chromatograph; 8. Temperature control mechanism; 81. Heating chamber; 82. Connector; 83. Barrier door; 84. Mounting base; 85. Heating element; 86. Mounting frame; 87. Intake fan; 88. Dustproof net; 89. Insulation board; 801 802. Exhaust port; 803. Exhaust fan; 804. Dustproof net; 805. Exhaust chamber; 806. Exhaust valve; 807. Exhaust pipe; 808. Temperature sensor; 9. Intake air filtration mechanism; 91. Filter box; 92. Filter plate mounting base; 93. Inert metal weak adsorption material filter plate; 94. Intake pipe; 95. Intake valve; 96. Bracket; 97. Intake port; 98. First air pump; 99. Air supply pipe; 901. Second air pump; 902. Air supply pipe bracket; 911. Filter box inspection door. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0026] This utility model provides the following technical solution:

[0027] Example 1

[0028] Please see Figure 1-5 A device for high-temperature stabilization of VOCs online monitoring system includes a high-temperature stabilization box 1, a temperature control mechanism 8 is provided on the surface of the high-temperature stabilization box 1, and an air intake filter mechanism 9 is provided on the surface of the high-temperature stabilization box 1.

[0029] Temperature control mechanism 8 includes a heating box 81, which is fixedly connected to the middle sections of the left and right ends of the high-temperature flow stabilizer box 1. A plug-in socket 82 is fixedly connected to the top and bottom of the outer end of the heating box 81. An isolation door 83 is plugged into the plug-in socket 82. An mounting base 84 is installed inside the heating box 81, and an electric heating tube 85 is installed on the surface of the mounting base 84. An installation frame 86 is fixedly connected to the middle sections of the left and right ends inside the high-temperature flow stabilizer box 1. An air intake fan 87 is installed inside the installation frame 86, and a dustproof net 88 is installed on the inner side of the installation frame 86. Insulation cotton boards 89 are fixedly connected to the top of the left and right sides and the top of the back of the high-temperature flow stabilizer box 1. A heat exhaust port 801 is fixedly connected to the top right end of the high-temperature flow stabilizer box 1. An exhaust fan 802 is installed inside the heat exhaust port 801, and a second dustproof net 803 is installed at the bottom of the heat exhaust port 801. An exhaust chamber 804 is fixedly connected to the top right end of the high-temperature flow stabilizer box 1. The top right end of the exhaust chamber 804... An exhaust valve 805 is fixedly connected to the end of the device, and an exhaust pipe 806 is fixedly connected to the top of the exhaust valve 805. A temperature sensor 807 is installed on the top of the back of the high-temperature stabilizing box 1. The temperature inside the high-temperature stabilizing box 1 is controlled by a temperature control mechanism 8. When the device is working, it is heated by an electric heating tube 85 inside the heating box 81. The heat from the electric heating tube 85 is continuously sent into the high-temperature stabilizing box 1 by an air intake fan 87 to heat the flue gas. The temperature sensor 807 detects the temperature inside the high-temperature stabilizing box 1. When the temperature is too high, the electric heating tube 85 will stop working. When the high-temperature stabilizing box 1 needs to be repaired, the electric heating tube 85 is stopped, and the hot gas is discharged from the device by an exhaust fan 802 and an exhaust valve 805, which facilitates maintenance by the staff. The setting of this mechanism can improve the working efficiency of the device and the temperature control is very efficient. The model of the temperature sensor is PT100.

[0030] The heating box 81 is equipped with two sets, and the mounting base 84 and electric heating tube 85 are equipped with four sets.

[0031] Example 2

[0032] Please see Figure 1-5Furthermore, based on Embodiment 1, the intake filtration mechanism 9 further includes a filter box 91, which is fixedly connected to the top left end of the high-temperature flow stabilizing box 1. A filter box inspection door 911 is provided on the front of the filter box 91. Filter plate mounting seats 92 are fixedly connected to the left and right ends inside the filter box 91. Inert metal weak adsorption material filter plates 93 are inserted into the filter plate mounting seats 92. An intake pipe 94 is fixedly connected to the top of the filter box 91. An intake valve 95 is fixedly connected to the left end of the intake pipe 94. An intake port 97 is fixedly connected to the left end of the intake valve 95. A support is fixedly connected to the bottom of the intake valve 95. The first air pump 98 is fixedly connected to the bottom of the filter box 91, and the first air pump 98 is fixedly connected to the bottom of the air supply pipe 99. The partition 4 is fixedly connected to the middle section of the high temperature stable flow box 1. The second air pump 901 is fixedly connected to the top right end of the partition 4. The air supply pipe support 902 is fixedly connected to the top of the partition 4. The air inlet filter mechanism 9 can filter the flue gas entering the device and effectively adsorb the suspended matter in the flue gas to prevent particulate matter from entering the chromatograph 7 and causing damage. The inert metal weak adsorption material filter plate 93 can ensure the filtration effect while reducing sample gas adsorption loss.

[0033] The end of the gas supply pipe 99 away from the first gas pump 98 is fixedly connected to the top of the second gas pump 901. The gas supply pipe 99 is set inside the gas supply pipe support 902. Two sets of inert metal weak adsorption material filter plates 93 are provided.

[0034] The high-temperature current stabilizer box 1 has mounting blocks 2 fixedly connected to the top and bottom rear ends of the left and right ends, a control panel 3 fixedly connected to the top left end of the high-temperature current stabilizer box 1, and a partition 4 fixedly connected to the middle section inside the high-temperature current stabilizer box 1.

[0035] The high-temperature stable flow chamber 1 has a high-temperature treatment chamber 5 at the top and a chromatograph storage chamber 6 at the bottom. The chromatograph storage chamber 6 contains a chromatograph 7. The high-temperature stable flow chamber 1 has a removable cover plate 61 at the bottom front and an observation window 62 fixedly connected to the front of the removable cover plate 61. The high-temperature stable flow chamber 1 has an inspection door 51 at the top front and an exhaust pump 63 fixedly connected to the bottom right end of the high-temperature stable flow chamber 1. The exhaust pump 63 has an exhaust pipe 64 fixedly connected to the bottom.

[0036] In actual operation, when this device is in use, the inlet filter mechanism 9 filters the flue gas entering the device, effectively adsorbing suspended solids in the flue gas and preventing particulate matter from entering the chromatograph 7 and causing damage. The inert metal weak adsorption material filter plate 93 ensures filtration effect while reducing sample gas adsorption loss. The temperature control mechanism 8 controls the temperature inside the high-temperature constant flow chamber 1. During device operation, heating is achieved through the electric heating tube 85 inside the heating chamber 81, and the heat from the electric heating tube 85 is continuously delivered into the high-temperature constant flow chamber 1 by the inlet fan 87. The high-temperature stabilizing box 1 heats the flue gas inside. The temperature inside the high-temperature stabilizing box 1 is detected by the temperature sensor 807. When the temperature is too high, the electric heating tube 85 will stop working. When the high-temperature stabilizing box 1 needs to be repaired, the electric heating tube 85 is stopped, and the hot gas is discharged from the device through the exhaust fan 802 and the exhaust valve 805, which facilitates maintenance by the staff. The setting of this mechanism can improve the working efficiency of the device and the temperature control is very efficient. The device is easy to maintain. The device can be maintained by opening the maintenance door 51 and removing the removable cover 61.

[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A device for high-temperature current stabilization in a VOCs online monitoring system, comprising a high-temperature current stabilization box (1), characterized in that: The surface of the high temperature stabilizing box (1) is provided with a temperature control mechanism (8) and an air intake filter mechanism (9). The temperature control mechanism (8) includes a heating box (81), which is fixedly connected to the middle section of the left and right ends of the high-temperature stabilizing box (1). A plug-in socket (82) is fixedly connected to the top and bottom of the outer end of the heating box (81). A barrier door (83) is inserted into the plug-in socket (82). A mounting base (84) is installed inside the heating box (81). An electric heating tube (85) is installed on the surface of the mounting base (84). A mounting frame (86) is fixedly connected to the middle section of the left and right ends inside the high-temperature stabilizing box (1). An air intake fan (87) is installed inside the mounting frame (86). A dustproof net (88) is installed on the inner side of the mounting frame (86). Insulation cotton boards (89) are fixedly connected to the top of the left and right sides and the top of the back inside the high temperature stabilizing box (1). A heat exhaust port (801) is fixedly connected to the top right end inside the high temperature stabilizing box (1). An exhaust fan (802) is installed inside the heat exhaust port (801). A dustproof net (803) is installed at the bottom of the heat exhaust port (801). An exhaust chamber (804) is fixedly connected to the top right end of the high temperature stabilizing box (1). An exhaust valve (805) is fixedly connected to the top right end of the exhaust chamber (804). An exhaust pipe (806) is fixedly connected to the top of the exhaust valve (805). A temperature sensor (807) is installed on the top of the back inside the high temperature stabilizing box (1).

2. The device for high-temperature stabilization of a VOCs online monitoring system according to claim 1, characterized in that: The heating box (81) is provided in two sets, and the mounting base (84) and electric heating tube (85) are provided in four sets.

3. The device for high-temperature stabilization of a VOCs online monitoring system according to claim 1, characterized in that: The air intake filtration mechanism (9) includes a filter box (91), which is fixedly connected to the top left end of the high-temperature flow stabilizing box (1). A filter box inspection door (911) is provided on the front of the filter box (91). Filter plate mounting seats (92) are fixedly connected to the left and right ends inside the filter box (91). Inert metal weak adsorption material filter plates (93) are inserted into the filter plate mounting seats (92). An air intake pipe (94) is fixedly connected to the top of the filter box (91). A... An air intake valve (95) is fixedly connected to an air inlet (97) at its left end. A bracket (96) is fixedly connected to the bottom of the air intake valve (95). A first air pump (98) is fixedly connected to the bottom of the filter box (91). An air supply pipe (99) is fixedly connected to the bottom of the first air pump (98). A partition (4) is fixedly connected to the middle section inside the high-temperature flow stabilizer box (1). A second air pump (901) is fixedly connected to the top right end of the partition (4). An air supply pipe bracket (902) is fixedly connected to the top of the partition (4).

4. The device for high-temperature stabilization of a VOCs online monitoring system according to claim 3, characterized in that: The end of the gas delivery pipe (99) away from the first gas pump (98) is fixedly connected to the top of the second gas pump (901). The gas delivery pipe (99) is located inside the gas delivery pipe support (902). Two sets of inert metal weak adsorption material filter plates (93) are provided.

5. The device for high-temperature stabilization of a VOCs online monitoring system according to claim 1, characterized in that: The high-temperature current stabilizer box (1) has mounting blocks (2) fixedly connected to the top and bottom rear ends of both the left and right ends, a control panel (3) fixedly connected to the top of the left end of the high-temperature current stabilizer box (1), and a partition (4) fixedly connected to the middle section inside the high-temperature current stabilizer box (1).

6. The device for high-temperature stabilization of a VOCs online monitoring system according to claim 1, characterized in that: The high-temperature stable flow box (1) has a high-temperature processing chamber (5) at the top inside, a chromatograph storage chamber (6) at the bottom inside, a chromatograph (7) is installed inside the chromatograph storage chamber (6), a detachable cover plate (61) is installed on the bottom front of the high-temperature stable flow box (1), an observation window (62) is fixedly connected to the front of the detachable cover plate (61), an inspection door (51) is provided on the top front of the high-temperature stable flow box (1), an exhaust pump (63) is fixedly connected to the bottom right end of the high-temperature stable flow box (1), and an exhaust pipe (64) is fixedly connected to the bottom of the exhaust pump (63).

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