CN218444296U - Airtight gas hood heated board gas tightness detection device - Google Patents
Airtight gas hood heated board gas tightness detection device Download PDFInfo
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- CN218444296U CN218444296U CN202222025565.8U CN202222025565U CN218444296U CN 218444296 U CN218444296 U CN 218444296U CN 202222025565 U CN202222025565 U CN 202222025565U CN 218444296 U CN218444296 U CN 218444296U
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Abstract
The utility model discloses an airtight gas hood heated board gas tightness detection device mainly relates to gas tightness detection device technical field, including basic subassembly and determine module, basic subassembly includes air feed unit and a test section of thick bamboo, and the airtight gas hood heated board demountable installation that awaits measuring is at a test section of thick bamboo top, and the air feed unit pours into the humid tropical gas into fast into from a test section of thick bamboo bottom to a test section of thick bamboo, and determine module sets up in a test section of thick bamboo department, and is used for the control to open and close the air feed unit and detect the gas tightness of the airtight gas hood heated board that awaits measuring. The two large components of the utility model are matched to rapidly inject gas into the testing cylinder in a manner of extruding and injecting gas, and the structure is simple and easy to realize; the adoption is followed the test section of thick bamboo bottom and is poured into the gaseous mode of high temperature and high humidity into, utilizes the light circumstances of upwards flowing of gas for the airtight gas hood heated board contact that high temperature and high humidity gas nature and await measuring cooperates the open structure in test section of thick bamboo upper end and a plurality of inductor to easily record the gas tightness of the airtight gas hood heated board that awaits measuring.
Description
Technical Field
The utility model relates to an air tightness detection device, especially an airtight gas hood heated board gas tightness detection device.
Background
The closed air hood is a closed flat-room type hood made of aluminum alloy materials and used for a drying part and a glue application part of a paper machine, and the closed air hood is used for recycling steam generated by the paper machine so as to achieve better drying and energy conservation. The airtight gas hood is a modularized closed structure, in the papermaking process flow, the quality of the airtight gas hood is related to the quality of paper, in order to ensure that high-temperature high-humidity gas in the hood does not condense and drip water, the airtight gas hood heat-insulation board with good heat insulation and moisture resistance is needed, the air tightness of the airtight gas hood heat-insulation board is very critical, the air tightness of the existing airtight gas hood heat-insulation board is detected through special equipment, most of the equipment is expensive in cost and complex in structure, the cost of the detection equipment is high for some small and medium-sized enterprises, the airtight gas hood heat-insulation board air tightness detection device is incapable of being purchased, how to carry out simple detection while saving the cost is important, and the airtight gas hood heat-insulation board air tightness detection device is designed for the purpose.
SUMMERY OF THE UTILITY MODEL
The utility model provides an airtight gas hood heated board gas tightness detection device has solved the problem that the background art among the prior art mentioned.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: including basic unit and determine module, basic unit includes air feed unit and test section of thick bamboo, and the airtight gas hood heated board demountable installation that awaits measuring is at the test section of thick bamboo top, and the high temperature and high humidity gas is injected into from the test bobbin base portion to the test section of thick bamboo fast to the air feed unit, and determine module sets up in test section of thick bamboo department, and is used for controlling to open and close the gas feed unit and detect the gas tightness of the airtight gas hood heated board that awaits measuring.
In order to realize quick safe pouring into high temperature and high humidity gas to the test section of thick bamboo into, the air feed unit is including the extrusion unit, the push pedal, the gasbag, a plurality of gas injection pipes and a plurality of sealing plug, test bobbin base portion side is provided with the pit, the air feed unit sets up in the pit, the bottom of test section of thick bamboo is provided with a plurality of counter bores, correspond a plurality of sealing plugs of stopper dress in a plurality of counter bores, the gasbag is transversely placed in the pit, the lower extreme of a plurality of gas injection pipes is connected to the gasbag, the upper end and the counter bore connection of gas injection pipe, the push pedal is placed in one side that the test section of thick bamboo was kept away from to the gasbag, and with gasbag lateral wall contact, the push pedal is connected to the extrusion unit, and drive the push pedal and slide in the pit and extrude the gasbag and pour into high temperature and high humidity gas into to the test section of thick bamboo into, be provided with the intake pipe on the gasbag, the external high temperature and high humidity gaseous air supply of one end that the intake pipe stretches out ground, and be provided with the valve on it.
In order to facilitate the control to pour into the high humidity gas to the test section of thick bamboo into, determine module includes switch board, controller and a plurality of inductor, and the controller setting is in the switch board, and a plurality of inductors are all attached at the top of the airtight gas hood heated board that awaits measuring, and the controller all is connected with valve, extrusion unit and a plurality of inductor electricity.
In order to realize the quick assembly disassembly of the airtight gas hood heat-insulating board to be tested, the airtight gas hood heat-insulating board to be tested is installed at the top of the testing cylinder through a plurality of G-shaped woodclamps distributed at intervals, and a sealing gasket is arranged between the airtight gas hood heat-insulating board to be tested and the top of the testing cylinder.
In order to protect the air supply unit, the air supply unit further comprises a cover plate, and the cover plate is detachably arranged at the top of the pit.
In order to realize the rapid extrusion injection of high-temperature and high-humidity gas, the extrusion unit comprises a plurality of hydraulic cylinders or a plurality of air cylinders or a plurality of electro-hydraulic push rods or a plurality of electric push rods.
The utility model adopts the above structure, have following advantage:
1. the device comprises a basic assembly and a detection assembly, wherein the basic assembly comprises a gas supply unit and a test cylinder, a sealed gas hood insulation board to be detected is detachably mounted at the top of the test cylinder, high-temperature and high-humidity gas is quickly injected into the test cylinder from the bottom of the test cylinder by the gas supply unit, the detection assembly is used for controlling the opening and closing of the gas supply unit and detecting the air tightness of the sealed gas hood insulation board to be detected, the two assemblies are matched to quickly inject gas into the test cylinder in an extrusion gas injection mode, and the device is simple in structure and easy to realize;
2. the adoption is from the mode that test bobbin base portion injected into the humid tropical gas, and is more direct, utilizes the condition that gaseous light upwards flows for the humid tropical gas is natural and the airtight gas hood heated board contact that awaits measuring, and the open structure in cooperation test bobbin upper end and a plurality of inductor easily record the gas tightness of the airtight gas hood heated board that awaits measuring, and the gasbag is installed in the pit, does not occupy the ground space, and is high-efficient swift.
Drawings
Fig. 1 is a front view of the utility model, which is a sectional structure diagram.
In the figure, 1, a control cabinet; 2. an inductor; 3. a closed gas hood insulation board to be tested; 4. g-shaped woodworking clamps; 5. A test cartridge; 6. a sealing plug; 7. a gas injection pipe; 8. an air inlet pipe; 9. an air bag; 10. pushing the plate; 11. a cover plate; 12. and a hydraulic cylinder.
Detailed Description
In order to clearly explain the technical features of the present invention, the present invention will be explained in detail by the following embodiments and the accompanying drawings.
As shown in fig. 1, the whole device comprises a basic component and a detection component, the basic component comprises an air supply unit and a test cylinder 5, the upper end of the test cylinder 5 is open and is in an inverted cone shape, so that high-temperature high-humidity air entering the test cylinder is easy to diffuse, the test cylinder can be in overall contact with a sealed air hood insulation board 3 to be tested, the sealed air hood insulation board 3 to be tested is detachably mounted at the top of the test cylinder 5, in order to realize the rapid dismounting and mounting of the sealed air hood insulation board 3 to be tested, the sealed air hood insulation board 3 to be tested is mounted at the top of the test cylinder 5 through a plurality of G-shaped wooden clamps 4G which are distributed at intervals, a sealing gasket is laid between the sealed air hood insulation board 3 to be tested and the top of the test cylinder 5, and the sealing gasket is clamped through the extrusion of the plurality of G-shaped wooden clamps 4G to achieve a sealing effect;
the gas supply unit injects high-temperature high-humidity gas into the test cylinder 5 from the bottom of the test cylinder 5, in order to realize rapid and safe injection of high-temperature high-humidity gas into the test cylinder 5, the gas supply unit comprises an extrusion unit, a push plate 10, an air bag 9, a gas injection pipe 7 and a plurality of sealing plugs 6, a pit is arranged on the side face of the bottom of the test cylinder 5, the gas supply unit is arranged in the pit, a plurality of counter bores are processed at the bottom of the test cylinder 5, a plurality of sealing plugs 6 are correspondingly plugged in the plurality of counter bores, the air bag 9 is transversely placed in the pit, the air bag 9 is connected with the lower end of the gas injection pipe 7, the upper end of the gas injection pipe 7 is connected with the counter bores, the air bag 9 is integrally communicated with the lower ends of a plurality of air injection pipes 7, the upper ends of the air injection pipes 7 are connected with the counter bores, the push plate 10 is placed on one side, away from the test cylinder 5, of the air bag 9 and is in contact with the side wall of the air bag 9, the extrusion unit is connected with the push plate 10 and drives the push plate 10 to slide in the pit to extrude the air bag 9 to inject high-temperature high-humidity gas into the test cylinder 5, the air bag 9 is integrally provided with an air inlet pipe 8, one end, extending out of the ground, of the air inlet pipe 8 is externally connected with a high-temperature high-humidity gas source, a valve is arranged on the air inlet pipe 8, the valve is opened, the high-temperature high-humidity gas flows, the valve is closed, and the high-temperature high-humidity gas stops flowing;
in order to protect the gas supply unit, the gas supply unit also comprises a cover plate 11, the cover plate 11 is detachably supported on the top of the pit, and in order to realize rapid extrusion and injection of high-temperature and high-humidity gas, the extrusion unit comprises a plurality of hydraulic cylinders 12 or a plurality of air cylinders or a plurality of electro-hydraulic push rods or a plurality of electric push rods;
detection element installs in test section of thick bamboo 5 department, and be used for the control to open and close the gas feed unit and detect the gas tightness of the airtight gas hood heated board 3 that awaits measuring, for the ease of control pours into high-temperature high-humidity gas into test section of thick bamboo 5 into, detection element includes switch board 1, controller and a plurality of inductor 2, the controller is installed in switch board 1, switch board 1 is placed in test section of thick bamboo 5 side, a plurality of inductors are all attached at the top of the airtight gas hood heated board 3 that awaits measuring, the controller all with the valve, extrusion unit and 2 electricity of a plurality of inductors are connected.
The working principle is as follows: the method comprises the steps that a sealed air hood insulation board 3 to be detected is covered at the top of a testing cylinder 5, sealing is guaranteed through clamping of a plurality of G-shaped woodclamps 4G, an air bag 9 is installed in a pit, a valve is opened through a controller, high-temperature high-humidity gas is filled into the air bag 9 through an air inlet pipe 8, an extrusion unit is controlled to be opened through the controller to drive a push plate 10 to move, the push plate 10 extrudes the air bag 9, the high-temperature high-humidity gas flows into an air injection pipe 7 and is continuously extruded, gas is quickly filled into the testing cylinder 5 through a corresponding sealing plug 6 which is ejected by the high-temperature high-humidity gas in the air injection pipe 7, a plurality of sensors 2 are opened through the controller, the high-temperature high-humidity gas flows upwards at the moment, micro impact can be caused on the sealed air hood insulation board 3 to be detected above, the high-temperature high-humidity gas contacts the lower surface of the sealed air hood insulation board 3 to be detected, after a period of time, the sensors 2 can sense the humidity on the sealed air hood insulation board 3 to be detected, and the air tightness of the sealed air hood insulation board to be detected can be preliminarily or simply determined through the time sensed by the time when the insulation board is introduced and the humidity data of the sensors 2;
during the detection period, high-temperature and high-humidity gas can be continuously supplied, the air bag 9 is continuously extruded, the sensing data of the sensor 2 are collected for multiple times to ensure the accuracy of the detection result, and finally the average value of the multiple data is obtained from the detection result;
the temperature and the humidity of the introduced high-temperature high-humidity gas simulate the temperature and the humidity of the closed air hood heat insulation board in the normal working environment as far as possible.
The inductor 2, the sealing plug 6, the air bag 9, the hydraulic cylinder 12, the valve, the air cylinder, the electro-hydraulic push rod and the electric push rod all belong to the prior art.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (6)
1. The utility model provides a airtight gas hood heated board gas tightness detection device which characterized in that: including basic unit and determine module, basic unit includes air feed unit and test section of thick bamboo, and the airtight gas hood heated board demountable installation that awaits measuring is in the test section of thick bamboo top, the air feed unit is followed test section of thick bamboo bottom pours into the high temperature and high humidity gas into fast in the test section of thick bamboo, determine module sets up test section of thick bamboo department, and is used for control to open and close the gas feed unit and detect the gas tightness of the airtight gas hood heated board that awaits measuring.
2. The airtight gas hood insulation board airtightness detection device according to claim 1, characterized in that: the air feed unit is including extrusion unit, push pedal, gasbag, a plurality of gas injection pipe and a plurality of sealing plug, test tube bottom side is provided with the pit, the air feed unit sets up in the pit, the bottom of test tube is provided with a plurality of counter bores, and is a plurality of correspond the stopper dress in the counter bore the sealing plug, the gasbag is transversely placed in the pit, the gasbag is connected a plurality of the lower extreme of gas injection pipe, the upper end of gas injection pipe with counter bore connection, the push pedal is placed the gasbag is kept away from one side of test tube, and with the contact of gasbag lateral wall, the extrusion unit is connected the push pedal, and drive the push pedal and slide the extrusion in the pit the gasbag to inject high temperature and high humidity gas in the test tube, be provided with the intake pipe on the gasbag, the external high temperature and high humidity gaseous air supply of high temperature and high humidity of one end that the intake pipe stretches out ground, and be provided with the valve on it.
3. The airtight gas hood insulation board airtightness detection device according to claim 2, characterized in that: the detection assembly comprises a control cabinet, a controller and a plurality of inductors, wherein the controller is arranged in the control cabinet and is multiple in that the inductors are attached to the top of the airtight gas hood insulation board to be detected, and the controller is connected with the valve, the extrusion unit and the inductors in an electric connection mode.
4. The airtight gas hood insulation board airtightness detection device according to claim 3, characterized in that: the sealed gas hood heat insulation board to be tested is installed at the top of the testing cylinder through a plurality of G-shaped woodworker clamps distributed at intervals, and a sealing gasket is arranged between the sealed gas hood heat insulation board to be tested and the top of the testing cylinder.
5. The airtight gas hood insulation board airtightness detection device according to claim 4, characterized in that: the gas supply unit further comprises a cover plate, and the cover plate is detachably arranged at the top of the pit.
6. The airtight gas hood insulation board airtightness detection device according to claim 5, characterized in that: the extrusion unit comprises a plurality of hydraulic cylinders or a plurality of air cylinders or a plurality of electric hydraulic push rods or a plurality of electric push rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222025565.8U CN218444296U (en) | 2022-08-02 | 2022-08-02 | Airtight gas hood heated board gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222025565.8U CN218444296U (en) | 2022-08-02 | 2022-08-02 | Airtight gas hood heated board gas tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218444296U true CN218444296U (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222025565.8U Active CN218444296U (en) | 2022-08-02 | 2022-08-02 | Airtight gas hood heated board gas tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218444296U (en) |
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2022
- 2022-08-02 CN CN202222025565.8U patent/CN218444296U/en active Active
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