CN210268735U - Temperature-controllable gas pollutant detection integrated fixed bed - Google Patents
Temperature-controllable gas pollutant detection integrated fixed bed Download PDFInfo
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- CN210268735U CN210268735U CN201921526905.7U CN201921526905U CN210268735U CN 210268735 U CN210268735 U CN 210268735U CN 201921526905 U CN201921526905 U CN 201921526905U CN 210268735 U CN210268735 U CN 210268735U
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Abstract
The utility model discloses a temperature-controllable gas pollutant detection integrated fixed bed, which comprises a casing, a gas cylinder, a gas mass flow meter, a solenoid valve, a gas mixing device, a tail gas detection device, a tail gas cooling device, a temperature-controlled combustion chamber, a lifting platform, a control panel and a controller, wherein the controller and the control panel are fixedly arranged in an inner cavity at one side of the casing; the gas outlet of the gas cylinder is connected with a gas mass flowmeter, and the gas mass flowmeter is connected with an electromagnetic valve. A controllable temperature gaseous pollutant detects integration fixed bed, its is rational in infrastructure, have advantages such as simple structure, convenient to use, leakproofness are good, intelligent degree height, effectively solve current check out test set and use inconvenient problem.
Description
Technical Field
The utility model belongs to the technical field of gaseous pollutant detects and specifically relates to a gaseous pollutant of controllable temperature detects integration fixed bed is related to.
Background
The combustion is a heat-releasing luminous chemical reaction, the reaction process is extremely complex, the substance is that the chain reaction of free radicals is a combustion reaction, in the combustion process, momentum, heat and mass transfer is carried out among fuel, oxygen and combustion products, a large amount of complex gas pollutants are generated at the same time, and the generation of the gas pollutants is closely related to the temperature, air components in the combustion environment and the like.
Present check out test set is difficult to accomplish the ration on the combustion gas environment is built usually, does not have mixing arrangement between the gas, and the degree of mixing is low, and the inaccuracy is gone up in the temperature control, and the burning thing is filled in the ceramic tube, and the burning thing both ends are fixed with the quartz wool, and the quartz wool burns simultaneously during the burning, and including the equipment gas tightness not good, arouse the inaccurate problem of experimental data easily, because there is the quartz wool at both ends, the burning thing is difficult to ignite, and the operation is also very troublesome on the burning remainder extraction.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: in order to overcome the problems existing in the prior art, the temperature-controllable gas pollutant detection integrated fixed bed is provided, has the advantages of reasonable structure, simple structure, convenience in use, good sealing property, high intelligent degree and the like, and effectively solves the problem of inconvenience in use of the existing detection equipment.
The utility model provides a technical scheme that its technical problem adopted is: a temperature-controllable gas pollutant detection integrated fixed bed comprises a casing, a gas cylinder, a gas mass flow meter, an electromagnetic valve, a gas mixing device, a tail gas detection device, a tail gas cooling device, a temperature-controlled combustion chamber, a lifting table, a control panel and a controller, wherein the casing is of a hollow cuboid structure with an opening at one side;
the gas cylinder, the gas mass flowmeter, the electromagnetic valve, the gas mixing device, the tail gas detection device, the tail gas cooling device, the temperature control combustion chamber and the lifting platform are arranged on the other side of the inner cavity of the shell; the gas outlet of the gas cylinder is connected with a gas mass flowmeter, and the gas mass flowmeter is connected with the electromagnetic valve;
the gas mixing device comprises a closed mixing box, a mixing plate and a mixing pipe, wherein the inner cavity of the mixing box is respectively communicated with the electromagnetic valve and the inner cavity of the mixing pipe; the mixing pipe comprises an outer pipe and a plurality of inner pipes which are spirally and uniformly arranged in the inner cavity of the outer pipe; the mixing plate is a bent plate fixedly arranged on an inner cavity of the mixing box, wherein the bent part of the mixing plate is of a solid structure, through holes are uniformly formed in the part between the bent parts of the mixing plate, and the bent part of the mixing plate is arranged towards the air outlet of the electromagnetic valve;
the temperature control combustion chamber comprises an asbestos heat-insulating sleeve, a temperature sensor, a ceramic outer sleeve and a first thermocouple, wherein the asbestos heat-insulating sleeve is fixedly arranged in the inner cavity of the shell, the ceramic outer sleeve is sleeved in the inner cavity of the asbestos heat-insulating sleeve, the temperature sensor is embedded in the wall of the inner cavity of the ceramic outer sleeve, and the first thermocouple is uniformly paved between the asbestos heat-insulating sleeve and the ceramic outer sleeve;
the lifting platform comprises a supporting plate, a plug and a ceramic inner sleeve; the plug is fixedly arranged in the middle of the supporting plate, the lower end of the ceramic inner sleeve is fixedly arranged on the plug, an inner cavity at the lower end of the ceramic inner sleeve is communicated with the mixing tube through a gas delivery pipe, and a clamping groove with the same radial section pattern as the ceramic outer sleeve is arranged on the plug around the ceramic inner sleeve;
the asbestos heat-insulation sleeve is also provided with a supporting lug along the axial direction, the supporting lug is rotatably provided with a lead screw, one end of the lead screw is in transmission connection with a motor fixedly arranged on the asbestos heat-insulation sleeve, the other end of the lead screw is in threaded connection with the supporting plate, the lead screw drives the upper end of the ceramic inner sleeve to be sleeved in or pulled out of the inner cavity of the ceramic outer sleeve, and when the upper end of the ceramic inner sleeve is sleeved in the inner cavity of the ceramic outer sleeve, the lower end of;
the tail gas cooling device is connected with the upper end of the ceramic outer sleeve, and the tail gas detection device is connected with the tail gas cooling device.
Furthermore, the tail gas cooling device comprises a cold trap, an inner sleeve and quartz cotton, wherein the inner sleeve is arranged in an inner cavity of the cold trap, the quartz cotton is arranged in an inner cavity at the upper end of the inner sleeve, a smoke emission mechanism is arranged in the middle of the bottom surface of the inner cavity of the inner sleeve and is made of metal mesh rolls, and the lower end of the smoke emission mechanism is connected with the upper end of the ceramic outer sleeve through a gas pipe; the cold trap is also provided with a cover plate for simultaneously sealing the openings of the cold trap and the inner sleeve; the tail gas detection device is connected with the upper end of the inner sleeve through a gas transmission pipe.
Further, inner skleeve inner chamber bottom be equipped with the collecting vat and be used for collecting solid and liquid impurity, the cotton bottom of quartz is equipped with the spherical surface structure of sunken to the top.
Furthermore, the body of the gas cylinder is fixed in the inner cavity of the machine shell which is welded by the screen plate through a hoop.
Further, the mixing box be the cuboid structure, evenly set up a plurality of solenoid valves on one curb plate of mixing box, the hybrid tube sets up on another curb plate of vertically with it.
Further, the ceramic inner sleeve in be provided with the burning cage that is used for holding the burning material, the burning cage has hollow out construction, the second thermocouple penetrates its inner chamber from burning cage lower extreme, burning cage upper end is connected with the carrying buckle through the chain.
Furthermore, when the lead screw drives the upper end of the ceramic inner sleeve to be drawn out from the inner cavity of the ceramic outer sleeve, a cooling fan arranged in the inner cavity of the machine shell cools the ceramic inner sleeve.
The utility model has the advantages that: a temperature-controllable gas pollutant detection integrated fixed bed is characterized in that a gas cylinder controls output of required gas components through an electromagnetic valve and a gas mass flow meter, and the output gas is fully mixed through a gas mixing device and then enters a combustion environment consisting of a temperature-controlled combustion chamber and a lifting table; the temperature control combustion chamber heats the combustion environment by adopting a first thermocouple, and the controller controls the heating value of the first thermocouple in real time through real-time monitoring and feedback of the temperature sensor so as to keep the combustion environment at a constant temperature; the lifting platform is used for containing combustion materials through the combustion cage, and the filling of the combustion materials and the taking out of combustion residues are convenient; the lifting platform is sealed with the temperature control combustion chamber when rising, and then the second thermocouple on the lifting platform ignites the comburent, so that the problems of gas product loss caused by reconnection and sealing equipment after the comburent is ignited by the existing equipment and the problem that external gas is mixed into the test equipment are solved; the gas pollutants generated by combustion are fully diffused and rapidly cooled through a smoke diffusing mechanism, liquid and solid wastes contained in the gas are collected in a collecting tank, and finally, the components and the content of the gas pollutants are detected by a tail gas detection device; its is rational in infrastructure, has advantages such as simple structure, convenient to use, leakproofness are good, intelligent degree height, effectively solves current check out test set and uses inconvenient problem.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure of a temperature-controllable integrated fixed bed for detecting gaseous pollutants according to the present invention;
FIG. 2 is a schematic structural view of a gas mixing device of the temperature-controllable integrated fixed bed for detecting gaseous pollutants according to the present invention;
FIG. 3 is a schematic structural view of a mixing plate of the temperature-controllable integrated fixed bed for detecting gaseous pollutants according to the present invention;
FIG. 4 is a schematic view of a mixing tube structure of the temperature-controllable integrated fixed bed for detecting gaseous pollutants according to the present invention;
FIG. 5 is a schematic structural view of a lifting platform of the temperature-controllable integrated fixed bed for detecting gaseous pollutants according to the present invention;
FIG. 6 is a schematic structural view of a temperature-controlled combustion chamber of the temperature-controlled integrated fixed bed for detecting gaseous pollutants according to the present invention;
fig. 7 is a schematic structural view of a tail gas cooling device of the temperature-controllable integrated fixed bed for detecting gaseous pollutants.
The scores in the figures are as follows:
1. a machine shell, 2, a gas bottle, 3, a gas mass flowmeter, 4, an electromagnetic valve, 5, a gas mixing device, 51, a mixing box, 52, a mixing plate, 53, a mixing pipe, 54, a through hole, 55, an outer pipe, 56, an inner pipe, 6, a tail gas detection device, 7, a tail gas cooling device, 71, a cover plate, 72, an inner sleeve, 73, quartz wool, 74, a collecting tank, 75, a smoke emission mechanism, 76, a cold trap, 8, the device comprises a temperature control combustion chamber, 81, a motor, 82, gas pipes, 83, a screw rod, 84, a first thermocouple, 85, a supporting bump, 86, an asbestos heat-insulating sleeve, 87, a temperature sensor, 88, a ceramic outer sleeve, 9, a lifting table, 91, a supporting plate, 92, a plug, 93, a ceramic inner sleeve, 94, a lifting buckle, 95, a combustion cage, 96, a clamping groove, 97, a second thermocouple, 10, a control panel, 11, a controller, 12 and a cooling fan.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Fig. 1 to 7 show an integrated fixed bed for detecting temperature-controllable gas pollutants, which comprises a casing 1, a gas cylinder 2, a gas mass flow meter 3, a solenoid valve 4, a gas mixing device 5, a tail gas detection device 6, a tail gas cooling device 7, a temperature-controlled combustion chamber 8, a lifting platform 9, a control panel 10 and a controller 11.
As shown in fig. 1, the casing 1 has a hollow cuboid structure with a single-side opening, a controller 11 is fixedly arranged in an inner cavity of one side of the casing 1, a casing cover plate is further arranged on the opening of the casing 1 on the same side, a control panel 10 is fixedly arranged on the casing cover plate, and the control panel 10 is used for displaying and adjusting combustion environment data. The gas cylinder 2, the gas mass flow meter 3, the electromagnetic valve 4, the gas mixing device 5, the tail gas detection device 6, the tail gas cooling device 7, the temperature control combustion chamber 8 and the lifting platform 9 are arranged on the other side of the inner cavity of the shell.
As shown in fig. 1, the gas outlet of the gas bottle 2 is connected with a gas mass flow meter 3, the gas mass flow meter 3 is connected with an electromagnetic valve 4, the gas mass flow meter 3 and the electromagnetic valve 4 are respectively connected with a controller 11, and the controller 11 controls the opening and closing of the electromagnetic valve 4 through the feedback of the gas mass flow meter 3, so as to obtain the mixed (or pure) gas of the preset components.
As shown in fig. 1 and 2, the gas mixing device 5 includes a sealed mixing box 51, a mixing plate 52 and a mixing pipe 53, and the inner cavity of the mixing box 51 is communicated with the inner cavities of the electromagnetic valve 4 and the mixing pipe 53 respectively.
As shown in fig. 3, the mixing plate 52 is a bent plate fixedly disposed in the inner cavity of the mixing box 51, wherein the bent portion of the mixing plate 52 is a solid structure, through holes 54 are uniformly disposed at the portion between the bent portions of the mixing plate 52, and the bent portion of the mixing plate 52 is disposed toward the air outlet of the solenoid valve 4. The multiple single-component gases are collided and dispersed by the solid structure part and form a turbulent flow, so that the gases of different components are mutually collided and mixed.
As shown in fig. 4, the mixing tube 53 includes an outer tube 55 and a plurality of inner tubes 56 uniformly disposed in the inner cavity of the outer tube 55 in a spiral shape, the primarily mixed gas forms mutually rotating gas flows through the inner tubes 56, and the gas flows into the outer tube 55 and then collides and mixes again, so that the gas mixing is more uniform.
As shown in fig. 6, the temperature-controlled combustion chamber 8 includes an asbestos heat-insulating sleeve 86 for heat insulation, a temperature sensor 87, a ceramic outer sleeve 88, and a first thermocouple 84, the asbestos heat-insulating sleeve 86 is fixedly disposed in the inner cavity of the casing 1, the ceramic outer sleeve 88 is sleeved in the inner cavity of the asbestos heat-insulating sleeve 86, the temperature sensor 87 is embedded in the inner cavity wall of the ceramic outer sleeve 88 for detecting the temperature of the combustion environment, and the first thermocouple 84 is uniformly laid between the asbestos heat-insulating sleeve 86 and the ceramic outer sleeve 88. The temperature sensor 87 and the first thermocouple 84 are respectively connected with the controller 11, the temperature of the combustion environment is detected through the temperature sensor 87, and the controller compares the real-time temperature with the preset temperature, so that the heating value of the first thermocouple 84 is adjusted, and the temperature of the combustion environment is controlled.
As shown in fig. 5, the lifting platform 9 includes a supporting plate 91, a plug 92, and a ceramic inner sleeve 93; the plug 92 is fixedly arranged in the middle of the support plate 91, the lower end of the inner ceramic sleeve 93 is fixedly arranged on the plug 92, an inner cavity at the lower end of the inner ceramic sleeve 93 is communicated with the mixing pipe 53 through the gas conveying pipe 82, and a clamping groove 96 which is the same as the radial section of the outer ceramic sleeve 88 is arranged on the plug 92 around the inner ceramic sleeve 93.
As shown in fig. 6, the asbestos insulation sleeve 86 is further provided with a support protrusion 85 along the axial direction.
As shown in fig. 1, a screw 83 is rotatably disposed on the supporting protrusion 85, one end of the screw 83 is in transmission connection with a motor 81 fixedly disposed on the asbestos insulation sleeve 86, the other end of the screw 83 is in threaded connection with the supporting plate 91, that is, the screw 83 can drive the supporting plate 91 to move up and down, the screw 83 drives the upper end of the ceramic inner sleeve 93 to be inserted into or pulled out of the inner cavity of the ceramic outer sleeve 88, and when the upper end of the ceramic inner sleeve 93 is inserted into the inner cavity of the ceramic outer sleeve 88, the lower end of the ceramic outer sleeve.
The tail gas cooling device 7 is connected with the upper end of the ceramic outer sleeve 88, and the tail gas detection device 6 is connected with the tail gas cooling device 7.
In an embodiment as shown in fig. 7, the exhaust gas cooling device 7 includes a cold trap 76, an inner sleeve 72, and quartz wool 73, the inner sleeve 72 is disposed in an inner cavity of the cold trap 76, the quartz wool 73 is disposed in an inner cavity at an upper end of the inner sleeve 72, a smoke emission mechanism 75 is disposed in a middle position of a bottom surface of the inner cavity of the inner sleeve 72, the smoke emission mechanism 75 is made of a metal mesh roll, and a lower end of the smoke emission mechanism 75 is connected with an upper end of a ceramic outer sleeve 88 through an air pipe 82; the cold trap 76 is also provided with a cover plate 71 which simultaneously seals the openings of the cold trap 76 and the inner sleeve 72; the tail gas detection device 6 is connected with the upper end of the inner sleeve 72 through a gas pipe 82. The smoke overflows along the meshes when passing through the smoke emission mechanism 75, and is more easily emitted into the inner cavity of the inner sleeve 72 compared with the smoke directly blown, so that the smoke is more easily cooled.
In one embodiment, the bottom of the inner cavity of the inner sleeve 72 is provided with a collecting groove 74 for collecting solid and liquid impurities, the bottom of the quartz wool 73 is provided with a spherical structure recessed upward, the flue gas encounters the spherical structure to generate rollover, the flue gas is further dispersed, and the liquid and the solid impurities also move along the spherical surface toward the upper part of the collecting groove 74 and finally fall into the collecting groove 74.
In one embodiment as shown in fig. 1, the body of the gas cylinder 2 is fixed in the inner cavity of the case 1 made of mesh plate welded by clips.
In one embodiment as shown in fig. 2, the mixing box 51 is a rectangular parallelepiped, a plurality of solenoid valves 4 are uniformly disposed on one side plate of the mixing box 51, and the mixing pipe 53 is disposed on the other side plate perpendicular to the mixing box 51, so that the mixed gas can collide with the inner wall of the mixing box 51 for multiple times and then enter the mixing pipe 53, thereby enhancing the mixing effect.
In one embodiment, a combustion cage 95 for containing combustion materials is arranged in the ceramic inner sleeve 93, the combustion cage 95 has a hollow structure, the second thermocouple 97 penetrates into an inner cavity of the combustion cage 95 from the lower end of the combustion cage, a heating part of the second thermocouple 97 is located at the center of the combustion cage 95, and a lifting buckle 94 is connected to the upper end of the combustion cage 95 through a chain for lifting and taking out or putting in the ceramic inner sleeve 93.
In an embodiment, when the lead screw 83 drives the upper end of the inner ceramic sleeve 93 to be drawn out from the inner cavity of the outer ceramic sleeve 88, the cooling fan 12 disposed in the inner cavity of the casing 1 cools the inner ceramic sleeve 93.
The utility model discloses a controllable temperature gaseous pollutant detects integration fixed bed, its rational in infrastructure, the output of required gas composition is controlled through solenoid valve and gas mass flow meter to the gas cylinder, and the gas after the output gets into the combustion environment by accuse temperature combustion chamber and elevating platform constitution after the gas mixing device intensive mixing; the temperature control combustion chamber heats the combustion environment by adopting a first thermocouple, and the controller controls the heating value of the first thermocouple in real time through real-time monitoring and feedback of the temperature sensor so as to keep the combustion environment at a constant temperature; the lifting platform is used for containing combustion materials through the combustion cage, and the filling of the combustion materials and the taking out of combustion residues are convenient; the lifting platform is sealed with the temperature control combustion chamber when rising, and then the second thermocouple on the lifting platform ignites the comburent, so that the problems of gas product loss caused by reconnection and sealing equipment after the comburent is ignited by the existing equipment and the problem that external gas is mixed into the test equipment are solved; the gas pollutants generated by combustion are fully diffused and rapidly cooled through a smoke diffusing mechanism, liquid and solid wastes contained in the gas are collected in a collecting tank, and finally, the components and the content of the gas pollutants are detected by a tail gas detection device; its is rational in infrastructure, has advantages such as simple structure, convenient to use, leakproofness are good, intelligent degree height, effectively solves current check out test set and uses inconvenient problem.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. A temperature-controllable gas pollutant detection integrated fixed bed is characterized in that: the device comprises a casing (1), a gas cylinder (2), a gas mass flowmeter (3), an electromagnetic valve (4), a gas mixing device (5), a tail gas detection device (6), a tail gas cooling device (7), a temperature control combustion chamber (8), a lifting table (9), a control panel (10) and a controller (11), wherein the casing (1) is of a hollow cuboid structure with an opening at one side, the controller (11) is fixedly arranged in an inner cavity at one side of the casing (1), a casing cover plate is also arranged on the opening of the casing (1) at the same side, and the control panel (10) is fixedly arranged on the casing cover plate;
the gas cylinder (2), the gas mass flowmeter (3), the electromagnetic valve (4), the gas mixing device (5), the tail gas detection device (6), the tail gas cooling device (7), the temperature control combustion chamber (8) and the lifting platform (9) are arranged on the other side of the inner cavity of the shell; the gas outlet of the gas bottle (2) is connected with a gas mass flow meter (3), and the gas mass flow meter (3) is connected with an electromagnetic valve (4);
the gas mixing device (5) comprises a closed mixing box (51), a mixing plate (52) and a mixing pipe (53), wherein the inner cavity of the mixing box (51) is respectively communicated with the inner cavities of the electromagnetic valve (4) and the mixing pipe (53); the mixing pipe (53) comprises an outer pipe (55) and a plurality of inner pipes (56) which are uniformly arranged in the inner cavity of the outer pipe (55) in a spiral shape; the mixing plate (52) is a bent plate fixedly arranged on an inner cavity of the mixing box (51), wherein the bent part of the mixing plate (52) is of a solid structure, through holes (54) are uniformly formed in the part between the bent parts of the mixing plate (52), and the bent part of the mixing plate (52) is arranged towards an air outlet of the electromagnetic valve (4);
the temperature control combustion chamber (8) comprises an asbestos heat-insulating sleeve (86), a temperature sensor (87), a ceramic outer sleeve (88) and a first thermocouple (84), wherein the asbestos heat-insulating sleeve (86) is fixedly arranged in the inner cavity of the machine shell (1), the ceramic outer sleeve (88) is sleeved in the inner cavity of the asbestos heat-insulating sleeve (86), the temperature sensor (87) is embedded in the wall of the inner cavity of the ceramic outer sleeve (88), and the first thermocouple (84) is uniformly paved between the asbestos heat-insulating sleeve (86) and the ceramic outer sleeve (88);
the lifting platform (9) comprises a supporting plate (91), a plug (92) and a ceramic inner sleeve (93); the plug (92) is fixedly arranged in the middle of the support plate (91), the lower end of the inner ceramic sleeve (93) is fixedly arranged on the plug (92), an inner cavity at the lower end of the inner ceramic sleeve (93) is communicated with the mixing pipe (53) through the gas conveying pipe (82), and a clamping groove (96) which has the same radial section pattern as the outer ceramic sleeve (88) is arranged on the plug (92) around the inner ceramic sleeve (93);
the asbestos heat-insulation sleeve (86) is further provided with a supporting lug (85) along the axial direction, the supporting lug (85) is rotatably provided with a lead screw (83), one end of the lead screw (83) is in transmission connection with a motor (81) fixedly arranged on the asbestos heat-insulation sleeve (86), the other end of the lead screw (83) is in threaded connection with a supporting plate (91), the lead screw (83) drives the upper end of a ceramic inner sleeve (93) to be sleeved into or pulled out of the inner cavity of the ceramic outer sleeve (88), and when the upper end of the ceramic inner sleeve (93) is sleeved into the inner cavity of the ceramic outer sleeve (88), the lower end of the ceramic outer sleeve (88;
the tail gas cooling device (7) is connected with the upper end of the ceramic outer sleeve (88), and the tail gas detection device (6) is connected with the tail gas cooling device (7).
2. The integrated fixed bed for detecting the temperature-controllable gas pollutants as claimed in claim 1, which is characterized in that: the tail gas cooling device (7) comprises a cold trap (76), an inner sleeve (72) and quartz wool (73), wherein the inner sleeve (72) is arranged in an inner cavity of the cold trap (76), the quartz wool (73) is arranged in an inner cavity at the upper end of the inner sleeve (72), a smoke emission mechanism (75) is arranged in the middle of the bottom surface of the inner cavity of the inner sleeve (72), the smoke emission mechanism (75) is made of metal mesh through rolling, and the lower end of the smoke emission mechanism (75) is connected with the upper end of a ceramic outer sleeve (88) through a gas pipe (82); the cold trap (76) is also provided with a cover plate (71) which simultaneously seals the openings of the cold trap (76) and the inner sleeve (72); the tail gas detection device (6) is connected with the upper end of the inner sleeve (72) through a gas transmission pipe (82).
3. The integrated fixed bed for detecting the temperature-controllable gas pollutants as claimed in claim 2, which is characterized in that: the bottom of the inner cavity of the inner sleeve (72) is provided with a collecting groove (74) for collecting solid and liquid impurities, and the bottom of the quartz wool (73) is provided with a spherical structure sunken upwards.
4. The integrated fixed bed for detecting the temperature-controllable gas pollutants as claimed in claim 1, which is characterized in that: the body of the gas cylinder (2) is fixed in the inner cavity of the machine shell (1) which is welded by the screen plate through a hoop.
5. The integrated fixed bed for detecting the temperature-controllable gas pollutants as claimed in claim 1, which is characterized in that: mixing box (51) be the cuboid structure, evenly set up a plurality of solenoid valves (4) on one curb plate of mixing box (51), mixing tube (53) set up on another curb plate perpendicular with it.
6. The integrated fixed bed for detecting the temperature-controllable gas pollutants as claimed in claim 1, which is characterized in that: the ceramic inner sleeve (93) in be provided with combustion cage (95) that are used for holding the burning material, combustion cage (95) have hollow out construction, second thermocouple (97) penetrate its inner chamber from combustion cage (95) lower extreme, combustion cage (95) upper end is connected with buckle (94) through the chain.
7. The integrated fixed bed for detecting the temperature-controllable gas pollutants as claimed in claim 1, which is characterized in that: when the screw rod (83) drives the upper end of the ceramic inner sleeve (93) to be drawn out from the inner cavity of the ceramic outer sleeve (88), the cooling fan (12) arranged in the inner cavity of the machine shell (1) cools the ceramic inner sleeve (93).
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| CN201921526905.7U CN210268735U (en) | 2019-09-12 | 2019-09-12 | Temperature-controllable gas pollutant detection integrated fixed bed |
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| CN201921526905.7U CN210268735U (en) | 2019-09-12 | 2019-09-12 | Temperature-controllable gas pollutant detection integrated fixed bed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530428A (en) * | 2019-09-12 | 2019-12-03 | 内蒙古工业大学 | A kind of controllable temperature gaseous contamination analyte detection integrated solid fixed bed |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530428A (en) * | 2019-09-12 | 2019-12-03 | 内蒙古工业大学 | A kind of controllable temperature gaseous contamination analyte detection integrated solid fixed bed |
| CN110530428B (en) * | 2019-09-12 | 2024-02-27 | 内蒙古工业大学 | Controllable gas pollutant detects integration fixed bed |
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