CN113702419B - Stainless steel vacuum vessel protection, identification and detection device and detection method - Google Patents
Stainless steel vacuum vessel protection, identification and detection device and detection method Download PDFInfo
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- CN113702419B CN113702419B CN202111037060.7A CN202111037060A CN113702419B CN 113702419 B CN113702419 B CN 113702419B CN 202111037060 A CN202111037060 A CN 202111037060A CN 113702419 B CN113702419 B CN 113702419B
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- 238000001514 detection method Methods 0.000 title claims abstract description 141
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 66
- 239000010935 stainless steel Substances 0.000 title claims abstract description 66
- 238000010438 heat treatment Methods 0.000 claims abstract description 45
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 40
- 235000011089 carbon dioxide Nutrition 0.000 claims description 30
- 238000003466 welding Methods 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 12
- 235000017491 Bambusa tulda Nutrition 0.000 description 12
- 241001330002 Bambuseae Species 0.000 description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 12
- 239000011425 bamboo Substances 0.000 description 12
- 238000005485 electric heating Methods 0.000 description 7
- 238000000859 sublimation Methods 0.000 description 6
- 230000008022 sublimation Effects 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000013102 re-test Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/14—Investigating or analyzing materials by the use of thermal means by using distillation, extraction, sublimation, condensation, freezing, or crystallisation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/002—Investigating fluid-tightness of structures by using thermal means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
A stainless steel vacuum vessel protection, identification and detection device and a detection method belong to stainless steel vacuum vessel detection devices. The detection cylinder (2) is a cylinder with one open end, the detection cylinder (2) is arranged on the conveying device, a plurality of detection cylinders (2) are arranged along the conveying device at intervals, a heating part for heating is arranged in the detection cylinder (2), a detection part is arranged in the detection cylinder (2) or at the top of the detection cylinder, the rejecting device is arranged on one side of the output end of the conveying device, and the rechecking device is arranged on the rejecting device. The stainless steel vacuum vessel protection, identification and detection device can complete detection in the conveying process of the vessels to be detected, has high detection speed and convenient detection, and can realize the reinspection of the vessels to be detected in the rejecting process of the stainless steel vessels, so that the vessels to be detected are more accurately detected; the detection method eliminates the influence caused by environmental factors, and can judge the air leakage position so as to repair unqualified vessels to be detected.
Description
Technical Field
A stainless steel vacuum vessel protection, identification and detection device and a detection method belong to stainless steel vacuum vessel detection devices.
Background
The stainless steel vacuum container is usually formed by welding two layers of stainless steel cylinders, and the middle is vacuumized to weaken heat transfer between the inside and the outside of the container, so that the heat preservation performance of the container is improved. After the stainless steel vacuum container is welded, the heat conduction performance of the stainless steel vacuum container is required to be detected, the currently adopted detection method is to heat the inner wall of the stainless steel vacuum container through water vapor, and detect the temperature of the outer wall of the stainless steel vacuum container in a manual touch mode, the detection mode is low in accuracy, can only detect one by one, is low in detection speed, affects the production efficiency of the stainless steel vacuum container, and in addition, the detection mode is high in heating energy consumption of the stainless steel vacuum container due to the fact that the stainless steel vacuum container is heated by the water vapor, so that the production cost of the stainless steel vacuum container is high.
Disclosure of Invention
The invention aims to solve the technical problems that: the stainless steel vacuum vessel protection, identification and detection device and detection method have the advantages of convenience in detecting vessels to be detected, high detection speed and accuracy in detection.
The technical scheme adopted for solving the technical problems is as follows: this stainless steel vacuum vessel protection discernment detection device, its characterized in that: including conveyor, detection section of thick bamboo, removing devices and retest device, detection section of thick bamboo is the open drum in one end, and detection section of thick bamboo is installed on conveyor, and detection section of thick bamboo is provided with a plurality of along conveyor interval, is provided with the heating portion that is used for the heating in the detection section of thick bamboo, and detection section of thick bamboo or top are provided with detection section, and removing devices set up one side at conveyor's output, and retest device installs on removing devices.
Preferably, the detection cylinder comprises an inner cylinder, an outer cylinder and a pressure sensor, wherein the inner cylinder is arranged in the outer cylinder, the outer wall of the inner cylinder and the inner wall of the outer cylinder are arranged at intervals, a jacket is formed between the inner cylinder and the outer cylinder, a plurality of air injection holes are formed in the inner cylinder, the jacket is communicated with the inner cavity of the inner cylinder through the air injection holes, a steam inlet communicated with the jacket is formed in the outer cylinder, the heating part is formed, and the pressure sensor is arranged at the bottom of the inner cylinder, so that the detection part is formed. The pressure sensor can detect the weight of the vessel to be detected, when the vessel to be detected is filled with dry ice, the weight of the vessel to be detected is gradually reduced due to sublimation of the dry ice, and when the weight of the vessel to be detected is not changed any more, the dry ice can be considered to be completely sublimated, so that the detection is convenient, and errors caused by different weights of the vessel to be detected can be eliminated; and steam is introduced into the jacket, so that the vessel to be detected in the inner barrel can be heated uniformly, and the heating speed is high.
Preferably, the inner wall of the detection cylinder is provided with a heating layer to form the heating part, and the top of the detection cylinder is provided with a detection element to form the detection part. The detection part is arranged at the top of the detection cylinder, and whether the dry ice is completely sublimated can be judged by detecting the carbon dioxide concentration or fog at the top of the detection cylinder.
Preferably, the heating layer is an electric heating tube or a carbon crystal electric heating plate which is arranged around the inner wall of the detection cylinder.
Preferably, the removing device comprises a swing arm, a swing motor, a clamping cylinder and a clamp, wherein the swing arm is higher than the detection cylinder, the swing motor is connected with the swing arm and drives the swing arm to swing towards the direction close to or far away from the detection cylinder, the clamp is arranged on the swing arm, and the clamping cylinder is connected with the clamp and drives the clamp to act. The swing motor drives the swing arm to swing, and the clamping cylinder drives the clamp to act, so that unqualified vessels are removed, and the rejection is convenient.
Preferably, the clamp comprises clamping plates and supporting pads, two clamping plates are arranged side by side and at intervals, one end of each clamping plate is connected with the clamping cylinder and swings synchronously with the clamping cylinders, the other end of each clamping plate is provided with an arc-shaped clamping part with a concave middle part, the supporting pads are arranged on the clamping parts, and a plurality of supporting pads are arranged on each clamping part at intervals. All install a plurality of supporting pads on each clamping part, can enough guarantee to wait to detect the household utensils and press from both sides tightly reliably, can avoid waiting to detect the household utensils outer wall to cause the damage again.
Preferably, the rechecking device comprises a heating rod and a thermal imager, wherein the heating rod is vertically arranged on the removing device, and the thermal imager is arranged at one side of the heating rod at intervals.
Preferably, the thermal imager is provided with two opposite ends of the heating rod.
The detection method of the stainless steel vacuum vessel protection, identification and detection device is characterized by comprising the following steps of: the method comprises the following steps:
step 1), putting vessels to be detected into a detection cylinder, and putting dry ice with equal weight into each vessel to be detected;
Step 2), the heating part of the detection cylinder heats the outside of the vessels to be detected, and the detection part detects the dry ice in the vessels to be detected at the same time, and compares the time for the dry ice in each vessel to be detected to sublimate completely;
Step 3), the rejecting device removes the vessel to be detected, which takes short time for completely sublimating the dry ice and has a time difference exceeding a set value, from the detection cylinder;
and 4) heating the inner wall of the vessel to be detected by the re-detection device, and detecting whether air leakage exists at the welding seam of the vessel to be detected, if so, failing the vessel to be detected, and if not, failing the vessel to be detected.
Preferably, the dry ice in the vessel to be detected in the step 2) is detected by measuring the weight of the vessel to be detected, or detecting the carbon dioxide concentration of the vessel to be detected, or detecting fog at the mouth of the vessel to be detected.
Compared with the prior art, the invention has the following beneficial effects:
The stainless steel vacuum vessel protection, identification and detection device comprises a conveying device, a plurality of detection cylinders, a detection device and a rejecting device, wherein the conveying device is provided with the detection cylinders, the detection cylinders can finish detection of vessels to be detected in the conveying process, the detection speed is high, the detection is convenient, the rejecting device can reject the vessels to be detected, which are unqualified in detection of the detection cylinders, and the rejecting device can realize the re-detection of the vessels to be detected in the rejecting process of the stainless steel vessels, so that the detection of the vessels to be detected is ensured to be more accurate.
According to the detection method, dry ice is thrown into the vessel to be detected, the vessel to be detected is heated outside, the thermal conductivity of the vessel to be detected is detected in a mode of detecting the time for sublimation of the dry ice, the detection requirement can be met without high heating temperature outside the vessel to be detected, the energy consumed by heating the vessel to be detected is greatly reduced, the detection cost is reduced, the operation is convenient during detection, the influence caused by environmental factors is eliminated by comparing the time consumed by complete sublimation of the dry ice inside each vessel to be detected, the detection result is more accurate, the re-detection device continues to heat the inside of the vessel to be detected, if the vessel to be detected is unqualified, the gas between two layers of stainless steel is heated and expanded, the gas is discharged through the leakage part, the temperature of the discharged gas is higher than the external environment temperature, whether gas leakage exists or not can be judged by detecting the temperature outside the welding line, the re-detection device can judge the position of the gas leakage, and the unqualified vessel to be repaired conveniently, and the problem that the unqualified product can only be subjected to waste treatment at present is solved.
Drawings
Fig. 1 is a schematic front view of a stainless steel vacuum vessel protection, identification and detection device.
Fig. 2 is a partial enlarged view at a in fig. 1.
Fig. 3 is a schematic top view of the fixture.
FIG. 4 is a schematic front sectional view of the cartridge of example 1.
FIG. 5 is a schematic front sectional view of the cartridge of example 2.
In the figure: 1. the device comprises a conveying chain 2, a detection cylinder 3, a column 4, a swing arm 5, a lifting frame 6, a clamping cylinder 7, a clamp 701, a clamping plate 702, a supporting pad 8, a net cover 9, a rotary table 10, a heating rod 11, a mounting rod 12, a thermal imager 13, an outer cylinder 1301, a steam inlet 14, an inner cylinder 15, a clamping sleeve 16, an air injection hole 17, a pressure sensor 18 and a heating layer.
Detailed Description
Fig. 1 to 4 are diagrams illustrating preferred embodiments of the present invention, and the present invention is further described below with reference to fig. 1 to 5.
The utility model provides a stainless steel vacuum vessel protection discernment detection device, including conveyor, detection section of thick bamboo 2, rejection unit and retest device, detection section of thick bamboo 2 is the open drum in one end, and detection section of thick bamboo 2 is installed on conveyor, and detection section of thick bamboo 2 is provided with a plurality of along conveyor interval, is provided with the heating portion that is used for heating in the detection section of thick bamboo 2, is provided with detection portion in the detection section of thick bamboo 2 or the top, and the rejection unit sets up one side at conveyor's output, and retest device installs on the rejection unit. The stainless steel vacuum vessel protection, identification and detection device is characterized in that the conveying device is provided with the plurality of detection cylinders 2, the detection of the vessels to be detected in the conveying process can be completed through the detection cylinders 2, the detection speed is high, the detection is convenient, the rejection device can reject the vessels to be detected, which are unqualified in detection of the detection cylinders 2, the re-detection device can realize the re-detection of the vessels to be detected in the rejection process of the stainless steel vessels, and the detection of the vessels to be detected is ensured to be more accurate.
The present application will be further described with reference to specific embodiments, however, it will be appreciated by those skilled in the art that the detailed description herein with reference to the accompanying drawings is for better illustration, and that the application is not necessarily limited to such embodiments, but rather is intended to cover various equivalent alternatives or modifications, as may be readily apparent to those skilled in the art.
Example 1
As shown in fig. 1 to 3: the conveying device is a conveying chain 1, the conveying device can also be a conveying belt, the detection barrel 2 is a cylinder with one end open, the detection barrel 2 is arranged on the conveying chain 1, the detection barrel 2 is perpendicular to the conveying direction of the conveying chain 1, and the open end of the detection barrel 2 faces the outer side of the conveying chain 1.
The eliminating device is arranged on one side of the output end of the conveying chain 1, the eliminating device comprises a vertical column 3, a swing arm 4, a swing motor (not shown in the figure), a clamping cylinder 6 and a clamp 7, the vertical column 3 is vertically arranged, the swing arm 4 is horizontally arranged on the upper side of the vertical column 3, the swing arm 4 is higher than the detection cylinder 2, one end of the swing arm 4 is rotatably arranged at the top of the vertical column 3, the other end of the swing arm 4 is a free end, the output shaft of the swing motor is connected with the swing arm 4 and drives the swing motor to swing. The clamping cylinder 6 is arranged at the free end of the swing arm 4, and a piston rod of the clamping cylinder 6 is connected with the clamp 7 to drive the clamp 7 to clamp or loosen.
The removing device further comprises a lifting device and a rotating device, wherein the lifting device is arranged on the swing arm 4, the rotating device is arranged on the lifting device and lifts along with the lifting device, and the clamping cylinder 6 is arranged on the rotating device and synchronously rotates along with the rotating device.
The lifting device comprises a lifting cylinder (not shown in the figure) and a lifting frame 5, wherein the lifting cylinder is arranged on the swing arm 4, the lifting cylinder is vertically arranged, a piston rod of the lifting cylinder is connected with the lifting frame 5, and the lifting frame 5 is driven to lift.
The rotating device comprises a rotating motor (not shown in the figure) and a rotary table 9, the rotary table 9 is rotatably arranged on the lifting frame 5, the rotating motor is arranged on the lifting frame 5, an output shaft of the rotating motor is connected with the rotary table 9 and drives the rotary table 9 to synchronously rotate, and the clamping cylinder 6 is arranged on one side of the rotary table 9, so that the center line of the clamp 7 is overlapped with the rotating shaft of the rotary table 9.
The clamp 7 comprises clamping plates 701 and supporting pads 702, the clamping plates 701 are arranged side by side at intervals, the two clamping plates 701 are connected with the clamping cylinder 6 and swing along with the clamping cylinder 6 in opposite directions synchronously, so that the two clamping plates 701 are matched to clamp a vessel to be detected. The clamping plate 701 is provided with the arc clamping part of middle part indent away from the one end of pressing from both sides tight cylinder 6, and two clamping parts enclose into with waiting to detect the coaxial circular of household utensils, and each clamping part inboard all installs supporting pad 702, and supporting pad 702 is the flexible pad, and all is provided with a plurality of supporting pads 702 side by side and the interval on each clamping part. The supporting pad 702 can ensure reliable clamping of the vessel to be detected and avoid damage to the vessel to be detected.
The rechecking device comprises a heating rod 10 and a thermal imager 12, wherein the heating rod 10 is vertically arranged at the lower side of the turntable 9, and the lower end of the heating rod 10 passes through the middle part of the clamp 7 and downwards extends. The bottom of the heating rod 10 is provided with an electric heating tube, the electric heating tube is connected with an external power supply through a slip ring and a lead, the outer wall of the heating rod 10 is provided with a mesh enclosure 8, and the mesh enclosure 8 can prevent the inner wall of a vessel to be detected from being contacted with the electric heating tube. The thermal imager 12 is installed on the swing arm 4 through the installation rod 11, the installation rod 11 is vertically arranged, the upper end of the installation rod 11 is installed on the swing arm 4, the installation rod 11 is arranged on one side of the rotary table 9, the thermal imager 12 is installed on the installation rod 11, the thermal imager 12 is provided with two welding seams which are respectively opposite to two ends of the heating rod 10, and the welding seams at two ends of a vessel to be detected can be detected respectively.
As shown in fig. 4: the detection cylinder 2 comprises an outer cylinder 13, an inner cylinder 14 and a pressure sensor 17, wherein the inner cylinder 14 is coaxially arranged in the outer cylinder 13, the outer wall of the inner cylinder 14 is arranged at intervals with the inner wall of the outer cylinder 13, the top of the outer cylinder 13 is connected with the top of the inner cylinder 14 in a sealing manner, a jacket 15 is formed between the outer cylinder 13 and the inner cylinder 14, and a steam inlet 1301 communicated with the jacket 15 is arranged at the bottom of the outer cylinder 13. The inner cylinder 14 is provided with air injection holes 16 which are used for communicating the jacket 15 with the inner cylinder 14, and vessels to be detected in the inner cylinder 14 can be heated uniformly through the air injection holes 16. The pressure sensor 17 is coaxially installed at the bottom of the inner cylinder 14, and the weight of the vessel to be detected can be detected through the pressure sensor 17. In this embodiment, the vessel to be inspected is a stainless steel vacuum vessel.
The detection method of the stainless steel vacuum vessel protection, identification and detection device comprises the following steps:
step 1) putting the vessels to be detected into the detection cylinder 2, and putting dry ice with equal weight into each vessel to be detected.
The stainless steel vacuum container to be detected is placed into the detection cylinder 2, the top of the stainless steel vacuum container extends out of the detection cylinder 2, so that the stainless steel vacuum container is convenient to clamp by a removing device, and meanwhile dry ice with equal weight is put into the inner cylinders of the stainless steel vacuum containers.
Step 2), the heating part of the detection cylinder 2 heats the outside of the vessels to be detected, and meanwhile, the detection part detects the dry ice in the vessels to be detected and compares the time for the dry ice in each vessel to be detected to sublimate completely.
Steam is introduced into the jacket 15 through the steam inlet 1301, and the steam in the jacket 15 enters the inner cylinder 14 through the air injection holes 16 and heats the stainless steel vacuum containers in the inner cylinder 14, so that the heating temperature of each stainless steel vacuum container can be ensured to be the same due to the fact that the temperature of the steam is the same.
The weight of each stainless steel vacuum container is detected by the pressure sensor 17, and the weight of the stainless steel vacuum container is gradually reduced due to sublimation of the dry ice, when the weight of the stainless steel vacuum container is not reduced any more, namely the dry ice is considered to be completely sublimated, and the time when the weight of the stainless steel vacuum container is not changed any more is the time when the sublimation of the dry ice is completed. The time required for the dry ice of each stainless steel vacuum vessel to sublimate completely was calculated and compared with the time required for the dry ice of each stainless steel vacuum vessel to sublimate completely.
The stainless steel vacuum container can be heated by the tunnel kiln, and the outside of the stainless steel vacuum container can be heated in the tunnel kiln in an illumination mode.
And 3) removing the vessel to be detected, which takes a short time for the dry ice to sublimate completely and has a time difference exceeding a set value, from the detection cylinder 2 by the removing device.
When the time for detecting the complete sublimation of the dry ice in a certain stainless steel vacuum container is short and the time difference exceeds a set value, the heat preservation performance of the stainless steel vacuum container is considered to be poor, and the rejection device removes the unqualified stainless steel vacuum container.
And 4) heating the inner wall of the vessel to be detected by the re-detection device, and detecting whether air leakage exists at the welding seam of the vessel to be detected, if so, failing the vessel to be detected, and if not, failing the vessel to be detected.
When the stainless steel vacuum container is removed by the removing device, the clamp 7 clamps the upper part of the stainless steel vacuum container, the heating rod 10 stretches into the stainless steel vacuum container and heats the inner wall of the stainless steel vacuum container, and the heating temperature is higher than that of the stainless steel vacuum container by the detecting cylinder 2. If the stainless steel vacuum container is unqualified, gas exists between the two layers of stainless steel, the gas escapes during heating, the temperature of the escaping gas is higher than that of outside air, the turntable 9 drives the stainless steel vacuum container to rotate through the clamp 7, the two thermal imagers 12 detect welding seams at the upper end and the lower end of the stainless steel vacuum container simultaneously, whether gas leakage exists or not is judged through temperature detection, when the gas leakage exists, the stainless steel vacuum container is unqualified, the gas leakage position can be accurately detected, namely, the position of a welding unqualified position can be accurately detected, and the welding seams can be repaired at the moment. And when the stainless steel vacuum container is detected to be airtight, the stainless steel vacuum container is qualified.
Example 2
As shown in fig. 5: example 2 differs from example 1 in that: the detection cylinder 2 is a cylinder with an upward opening, the detection cylinder 2 is not provided with a jacket, a heating layer 18 is arranged around the inner wall of the detection cylinder 2, and the heating layer 18 is an electric heating tube or a carbon crystal electric heating plate arranged around the inner wall of the detection cylinder 2. The top of the detection cylinder 2 is provided with a detection part, the detection part is an opposite-jet photoelectric sensor or a carbon dioxide concentration sensor, the opposite-jet sensor judges whether the dry ice is completely sublimated by detecting fog at the opening of the stainless steel vacuum container, and the carbon dioxide concentration sensor judges whether the dry ice in the stainless steel vacuum container is completely sublimated by detecting the carbon dioxide concentration at the opening of the stainless steel vacuum container.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the invention in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a stainless steel vacuum vessel protection discernment detection device which characterized in that: the device comprises a conveying device, a detection cylinder (2), a removing device and a rechecking device, wherein the detection cylinder (2) is a cylinder with one end open, the detection cylinder (2) is arranged on the conveying device, a plurality of detection cylinders (2) are arranged along the conveying device at intervals, a heating part for heating is arranged in the detection cylinder (2), the detection cylinder (2) is internally provided with the detecting part, the removing device is arranged on one side of the output end of the conveying device, and the rechecking device is arranged on the removing device;
The detection cylinder (2) comprises an inner cylinder (14), an outer cylinder (13) and a pressure sensor (17), wherein the inner cylinder (14) is arranged in the outer cylinder (13), the outer wall of the inner cylinder (14) and the inner wall of the outer cylinder (13) are arranged at intervals, a jacket (15) is formed between the inner cylinder (14) and the outer cylinder (13), a plurality of air injection holes (16) are formed in the inner cylinder (14), the jacket (15) is communicated with the inner cavity of the inner cylinder (14) through the air injection holes (16), a steam inlet (1301) communicated with the jacket (15) is formed in the outer cylinder (13), the heating part is formed, and the pressure sensor (17) is arranged at the bottom of the inner cylinder (14) to form the detection part;
The rechecking device comprises a heating rod (10) and a thermal imager (12), wherein the heating rod (10) is vertically arranged on the rejecting device, the thermal imager (12) is arranged at one side of the heating rod (10) at intervals, and the thermal imager (12) is provided with two opposite ends respectively opposite to the two ends of the heating rod (10);
The detection method comprises the following steps:
step 1), putting vessels to be detected into a detection cylinder (2), and putting dry ice with equal weight into each vessel to be detected;
Step 2), the heating part of the detection cylinder (2) heats the outside of the vessel to be detected, and the detection part detects the dry ice in the vessel to be detected at the same time, and compares the time for the dry ice in each vessel to be detected to sublimate completely;
step 3), the rejecting device removes the vessel to be detected, which takes short time for completely sublimating the dry ice and has a time difference exceeding a set value, from the detection cylinder (2);
and 4) heating the inner wall of the vessel to be detected by the re-detection device, and detecting whether air leakage exists at the welding seam of the vessel to be detected, if so, failing the vessel to be detected, and if not, failing the vessel to be detected.
2. The stainless steel vacuum vessel protection, identification and detection device according to claim 1, wherein: the removing device comprises a swing arm (4), a swing motor, a clamping cylinder (6) and a clamp (7), wherein the swing arm (4) is higher than the detection cylinder (2), the swing motor is connected with the swing arm (4) and drives the swing arm to swing towards the direction close to or far away from the detection cylinder (2), the clamp (7) is arranged on the swing arm (4), and the clamping cylinder (6) is connected with the clamp (7) and drives the clamp to act.
3. The stainless steel vacuum vessel protection, identification and detection device according to claim 2, wherein: the clamp (7) comprises clamping plates (701) and supporting pads (702), wherein the clamping plates (701) are arranged side by side and are provided with two supporting pads (702) at intervals, one end of each clamping plate (701) is connected with a clamping cylinder (6) and swings synchronously with the clamping cylinders, the other end of each clamping plate is provided with an arc-shaped clamping part with a concave middle part, the supporting pads (702) are arranged on the clamping parts, and a plurality of supporting pads (702) are arranged on each clamping part at intervals.
4. The stainless steel vacuum vessel protection, identification and detection device according to claim 1, wherein: and (3) detecting the dry ice in the vessel to be detected in the step 2) by measuring the weight of the vessel to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111037060.7A CN113702419B (en) | 2021-09-06 | 2021-09-06 | Stainless steel vacuum vessel protection, identification and detection device and detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111037060.7A CN113702419B (en) | 2021-09-06 | 2021-09-06 | Stainless steel vacuum vessel protection, identification and detection device and detection method |
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| CN113702419A CN113702419A (en) | 2021-11-26 |
| CN113702419B true CN113702419B (en) | 2024-05-07 |
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| EP2275354A1 (en) * | 2009-07-14 | 2011-01-19 | Messer France S.A.S. | Container for dry ice particles |
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