CN115235707A - Controllable jar body air tightness test pressure test device - Google Patents
Controllable jar body air tightness test pressure test device Download PDFInfo
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- CN115235707A CN115235707A CN202210742200.9A CN202210742200A CN115235707A CN 115235707 A CN115235707 A CN 115235707A CN 202210742200 A CN202210742200 A CN 202210742200A CN 115235707 A CN115235707 A CN 115235707A
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- pressure
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- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 239000002184 metal Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 7
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 230000009172 bursting Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- 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
- G01M3/36—Investigating fluid-tightness of structures by using fluid or vacuum by detecting change in dimensions of the structure being tested
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention discloses a controllable tank body air tightness test pressure test device. The invention provides a controllable tank body airtight test pressure test device, which comprises: the manhole blind plate, the first ball valve, the second ball valve and the pressure control mechanism; the first ball valve and the second ball valve are arranged on a manhole blind plate, and the manhole blind plate is arranged on the normal-pressure metal tank body; the pressure control mechanism comprises an operation box, a first air pipe, a second air pipe, a first electromagnetic air valve, a second electromagnetic air valve, a digital display pressure controller, an air switch and an air storage tank; according to the invention, the automatic pressure control mechanism is added on the existing scheme, so that the upper limit pressure and the lower limit pressure can be freely set, the inflation inlet is automatically closed when the upper limit pressure is reached, and the inflation inlet is automatically opened when the lower limit pressure is not reached; and the safety valve is arranged, if the pressure in the tank exceeds the setting pressure of the safety valve, the pressure relief is automatically opened, and the loss of life and property caused by overlarge pressure in the tank is avoided.
Description
Technical Field
The invention relates to the technical field of tank body airtight tests, in particular to a controllable tank body airtight test pressure test device.
Background
The preparation of the normal pressure metal tank body needs to carry out an air tightness test to ensure the tightness of the tank body, and the compressed air with the rated pressure of 0.6MPa produced by the air compressor is introduced into the tank through a manhole blind plate provided with an air pipe quick connector and a pressure gauge, and the compressed air is manually switched on and off by manually observing the pressure of the pressure gauge to ensure that the pressure in the tank reaches the test pressure. The normal pressure metal tank body is reinforced differently according to the size of the cross section, the wall thickness of the tank body and the strength of the tank body, the internal pressure loaded without obvious plastic deformation is usually less than 0.6MPa, if human error causes overlarge pressure in the tank, the tank body is permanently plastically deformed to cause economic loss, and if the tank body is heavy, the tank body bursts to cause serious safety accidents. Therefore, it is necessary to provide a controllable pressure testing apparatus for the air tightness test of the can body to solve the above problems.
Disclosure of Invention
The invention aims to provide a controllable tank body airtight test pressure test device, which solves the problems that if the pressure in a tank body is overlarge due to human error in the existing tank body airtight test, the economic loss is caused by the permanent plastic deformation of the tank body if the pressure is light, and the serious safety accident is caused by the bursting of the tank body if the pressure is heavy.
The invention provides a controllable tank body airtight test pressure test device, which comprises: the manhole blind plate, the first ball valve, the second ball valve and the pressure control mechanism; the first ball valve and the second ball valve are arranged on a manhole blind plate, and the manhole blind plate is arranged on the normal-pressure metal tank body; the pressure control mechanism comprises an operation box, a first air pipe, a second air pipe, a first electromagnetic air valve, a second electromagnetic air valve, a digital display pressure controller, an air switch and an air storage tank; the first electromagnetic air valve and the second electromagnetic air valve are normally closed electromagnetic air valves, and the air compressor produces compressed air to the air storage tank; the gas storage tank is connected with the first gas pipe through a first electromagnetic gas valve, and the gas storage tank is connected with the second gas pipe through a second electromagnetic gas valve; the first air pipe is connected with the first ball valve, and the second air pipe is connected with the second ball valve; the first electromagnetic air valve and the second electromagnetic air valve are arranged in the operation box, the digital display pressure controller is arranged in the operation box and is connected with the first electromagnetic air valve and the second electromagnetic air valve, and the air switch is used for controlling the on-off of a power supply of the digital display pressure controller; the power input of the first electromagnetic air valve and the second electromagnetic air valve is from a digital display pressure controller; the digital display pressure controller is used for setting an upper pressure limit and a lower pressure limit; when the pressure is less than the set lower pressure limit or just exceeds the lower pressure limit and does not reach the set upper pressure limit, the normally closed electromagnetic air valve is powered on and is opened, and the first ball valve and/or the second ball valve are/is opened, compressed air in the air storage tank enters the normal-pressure metal tank body; when the pressure rises to the set upper pressure limit or just falls below the set upper pressure limit and does not fall to the set lower pressure limit, the normally closed electromagnetic gas valve is powered off and closed, and the gas storage tank is cut off to supply gas to the normal-pressure metal tank body.
Further, a handle is arranged on the manhole blind plate.
Furthermore, a first shock-proof pressure gauge and a second shock-proof pressure gauge are arranged on the manhole blind plate.
Further, a full-open type safety valve is arranged on the manhole blind plate.
Further, the power supply of the digital display pressure controller is 24VDC, 220VAC or 380VAC.
Furthermore, the manhole blind plate is installed on a manhole mounting seat of the normal-pressure metal tank body, a rubber sealing gasket is arranged between the manhole blind plate and the manhole mounting seat, and the manhole blind plate and the manhole mounting seat are compressed and sealed through bolts.
According to the technical scheme, the invention provides a controllable pressure test device for an airtight test of a tank body, which comprises: the manhole blind plate, the first ball valve, the second ball valve and the pressure control mechanism; the automatic pressure control mechanism is added on the prior scheme, so that the upper limit pressure and the lower limit pressure can be freely set, the upper limit pressure is reached, the inflation inlet is automatically closed, the lower limit pressure is not reached, and the inflation inlet is automatically opened; and a safety valve is arranged, if the pressure in the tank exceeds the set pressure of the safety valve, the pressure relief is automatically opened, and the life and property loss caused by overlarge pressure in the tank is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic diagram of a controllable tank body air tightness test pressure test device provided by the invention.
Illustration of the drawings: 1-a manhole blind plate; 2-a handle; 3-a first ball valve; 4-a second ball valve; 5-a first shock-resistant pressure gauge; 6-second shock resistance pressure; 7-full open safety valve; 8-operating box; 10-a first trachea; 9-a second trachea; 11-a first electromagnetic air valve; 12-a second electromagnetic gas valve; 13-digital display pressure controller; 14-air storage tank.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
For ease of description, spatially relative terms such as "over 8230," "upper surface," "above," and the like may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.
Referring to fig. 1, an embodiment of the present invention provides a pressure testing apparatus for an airtight test of a controllable tank, including: the manhole blind plate comprises a manhole blind plate 1, a first ball valve 3, a second ball valve 4 and a pressure control mechanism.
The first ball valve 3 and the second ball valve 4 are arranged on the manhole blind plate 1 and are connected with an air charging port of the manhole blind plate 1. The manhole blind plate 1 is arranged on the normal-pressure metal tank body; the manhole blind plate 1 is installed on a manhole mounting seat of the normal-pressure metal tank body, a rubber sealing gasket is arranged between the manhole blind plate 1 and the manhole mounting seat, and the sealing gasket is compressed and sealed through bolts. Be provided with handle 2 on the manhole blind plate 1, the welding of handle 2 is convenient for take manhole blind plate 1 on manhole blind plate 1. The manhole blind plate 1 is mainly matched with a rubber sealing gasket to be used for sealing a manhole of a normal-pressure metal tank body and providing connecting positions of a gas pressure meter, a safety valve, an inflation inlet, a handle and the like.
Still be provided with first shock-proof manometer 5 and second shock-proof manometer 6 on the manhole blind plate 1 for show the internal pressure of ordinary pressure metal tank, be provided with on the manhole blind plate 1 and open formula relief valve 7 entirely, if the tank internal pressure surpasss the relief valve pressure of setting, open the pressure release automatically, avoid the loss of lives and property that the tank internal pressure was too big to cause.
The pressure control mechanism comprises an operation box 8, a first air pipe 10, a second air pipe 9, a first electromagnetic air valve 11, a second electromagnetic air valve 12, a digital display pressure controller 13, an air switch and an air storage tank 14; the first electromagnetic air valve 11 and the second electromagnetic air valve 12 are normally closed electromagnetic air valves, and the air compressor produces compressed air to the air storage tank 14.
The gas storage tank 14 is connected with the first gas pipe 10 through a first electromagnetic gas valve 11, and the gas storage tank 14 is connected with the second gas pipe 9 through a second electromagnetic gas valve 12; the first air pipe 10 is connected with the first ball valve 3, and the second air pipe 9 is connected with the second ball valve 4; the first electromagnetic air valve 11 and the second electromagnetic air valve 12 are arranged in the operation box 8, the digital display pressure controller 13 is arranged in the operation box 8 and is connected with the first electromagnetic air valve 11 and the second electromagnetic air valve 12, and the air switch is used for controlling the on-off of a power supply of the digital display pressure controller 13; the power supply input of the first electromagnetic air valve 11 and the second electromagnetic air valve 12 is from a digital display pressure controller 13.
The power supply of the digital display pressure controller 13 can be 24VDC, 220VAC or 380VAC, and the digital display pressure controller 13 is used for setting an upper pressure limit and a lower pressure limit; when the pressure is lower than the set lower pressure limit or just exceeds the lower pressure limit and does not reach the set upper pressure limit, the normally closed electromagnetic air valve is powered on and is opened, and the first ball valve 3 and/or the second ball valve 4 are/is opened, compressed air in the air storage tank 14 enters the normal-pressure metal tank body; when the pressure rises to the set upper pressure limit or just falls below the set upper pressure limit and does not fall to the set lower pressure limit, the normally closed electromagnetic gas valve is powered off and closed, and the gas storage tank 14 is cut off to supply gas to the normal-pressure metal tank body.
The working principle of the controllable tank body air tightness test pressure test device is as follows:
the air compressor produces compressed air to the air storage tank, the pressure gauge of the compressed air is set to be about 0.6MPa, the air tightness test pressure of the normal-pressure tank body is generally 0.072MPa, the ball valve and the electromagnetic air valve are opened, and the compressed air in the air storage tank naturally flows into the normal-pressure tank body along with the pressure difference. When the pressure is lower than the set lower pressure limit or just exceeds the lower pressure limit and does not reach the set upper pressure limit, the electromagnetic air valve is closed frequently to be powered on and opened, and the compressed air in the air storage tank 14 enters the normal-pressure metal tank body; when the pressure rises to the set upper pressure limit or just falls below the set upper pressure limit but does not fall to the set lower pressure limit, the electromagnetic gas valve is closed frequently to cut off the power supply and close, and the gas storage tank 14 is cut off to supply gas to the normal-pressure metal tank body. The gas in the normal pressure metal tank body needs to be discharged, the gas pipe can be disconnected with the ball valve on the manhole cover, and the gas in the normal pressure metal tank body can be discharged by opening the ball valve.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances such that, for example, embodiments of the application described herein may be implemented in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a controllable jar body airtight test pressure test device which characterized in that includes: the manhole blind plate (1), the first ball valve (3), the second ball valve (4) and the pressure control mechanism;
the first ball valve (3) and the second ball valve (4) are arranged on a manhole blind plate (1), and the manhole blind plate (1) is arranged on a normal-pressure metal tank body; the pressure control mechanism comprises an operation box (8), a first air pipe (10), a second air pipe (9), a first electromagnetic air valve (11), a second electromagnetic air valve (12), a digital display pressure controller (13), an air switch and an air storage tank (14); the first electromagnetic air valve (11) and the second electromagnetic air valve (12) are normally closed electromagnetic air valves, and the air compressor produces compressed air to the air storage tank (14);
the air storage tank (14) is connected with the first air pipe (10) through a first electromagnetic air valve (11), and the air storage tank (14) is connected with the second air pipe (9) through a second electromagnetic air valve (12); the first air pipe (10) is connected with the first ball valve (3), and the second air pipe (9) is connected with the second ball valve (4); the first electromagnetic air valve (11) and the second electromagnetic air valve (12) are arranged in the operation box (8), the digital display pressure controller (13) is arranged in the operation box (8) and is connected with the first electromagnetic air valve (11) and the second electromagnetic air valve (12), and the air switch is used for controlling the power supply of the digital display pressure controller (13) to be switched on and off; the power supply input of the first electromagnetic air valve (11) and the second electromagnetic air valve (12) is from a digital display pressure controller (13);
the digital display pressure controller (13) is used for setting an upper pressure limit and a lower pressure limit; when the pressure is less than the set lower pressure limit or just exceeds the lower pressure limit and does not reach the set upper pressure limit, the normally closed electromagnetic air valve is powered and opened, and the first ball valve (3) and/or the second ball valve (4) are/is opened, compressed air in the air storage tank (14) enters the normal-pressure metal tank body; when the pressure rises to the set upper pressure limit or just falls below the set upper pressure limit but not falls to the set lower pressure limit, the normally closed electromagnetic gas valve is powered off and closed, and the gas storage tank (14) is cut off to supply gas to the normal-pressure metal tank body.
2. A controllable tank body airtight test pressure test device according to claim 1, characterized in that the manhole blind plate (1) is provided with a handle (2).
3. A controllable tank body airtight test pressure test device according to claim 1, characterized in that a first shock-proof pressure gauge (5) and a second shock-proof pressure gauge (6) are arranged on the manhole blind plate (1).
4. A controllable tank body air tightness test pressure test device according to claim 1, characterized in that a full-open type safety valve (7) is arranged on the manhole blind plate (1).
5. The controllable pressure test device for the airtightness test of the tank body according to claim 1, wherein the power supply of the digital display pressure controller (13) is 24VDC, 220VAC or 380VAC.
6. A controllable tank body air tightness test pressure test device according to claim 1, characterized in that the manhole blind plate (1) is installed on a manhole mounting seat of an atmospheric metal tank body, a rubber sealing gasket is arranged between the manhole blind plate (1) and the manhole mounting seat, and the sealing gasket is pressed and sealed through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210742200.9A CN115235707A (en) | 2022-06-27 | 2022-06-27 | Controllable jar body air tightness test pressure test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210742200.9A CN115235707A (en) | 2022-06-27 | 2022-06-27 | Controllable jar body air tightness test pressure test device |
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| Publication Number | Publication Date |
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| CN115235707A true CN115235707A (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210742200.9A Pending CN115235707A (en) | 2022-06-27 | 2022-06-27 | Controllable jar body air tightness test pressure test device |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202330044U (en) * | 2011-11-24 | 2012-07-11 | 广州中船远航船坞有限公司 | Ship pressure air test device |
| CN102735409A (en) * | 2012-07-11 | 2012-10-17 | 杭州量泰科技有限公司 | Automatic detecting device for air tightness of liquefied petroleum gas cylinder |
| CN205372073U (en) * | 2016-01-27 | 2016-07-06 | 陈猛 | High pressure pneumatic balanced system |
| CN106197900A (en) * | 2016-08-31 | 2016-12-07 | 北京中金泰达电液科技有限公司 | Airtight somascope |
| CN108572049A (en) * | 2017-03-13 | 2018-09-25 | 常州市鹏睿机械有限公司 | One kind can accurate voltage regulating multi-temperature zone control transformer leak hunting forcing press |
| CN211576494U (en) * | 2019-12-31 | 2020-09-25 | 陕汽淮南专用汽车有限公司 | Aluminum alloy pressure test blind plate tool |
| CN112197171A (en) * | 2020-11-12 | 2021-01-08 | 乐山川天燃气输配设备有限公司 | Intelligent remote voltage regulation control system |
| CN112539893A (en) * | 2019-09-20 | 2021-03-23 | 沈阳美茵联合检测有限公司 | Air tightness testing machine for cylinder valve |
| CN212807528U (en) * | 2020-08-10 | 2021-03-26 | 罗浮阀门集团有限公司 | Delivery test device for breather valve |
| CN113945341A (en) * | 2021-10-15 | 2022-01-18 | 上海隧道工程有限公司 | Pressure adjusting and maintaining device for cutter head driving sealing test device |
| CN114018511A (en) * | 2021-11-04 | 2022-02-08 | 中船澄西扬州船舶有限公司 | Cabin gas tightness detects frock |
-
2022
- 2022-06-27 CN CN202210742200.9A patent/CN115235707A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202330044U (en) * | 2011-11-24 | 2012-07-11 | 广州中船远航船坞有限公司 | Ship pressure air test device |
| CN102735409A (en) * | 2012-07-11 | 2012-10-17 | 杭州量泰科技有限公司 | Automatic detecting device for air tightness of liquefied petroleum gas cylinder |
| CN205372073U (en) * | 2016-01-27 | 2016-07-06 | 陈猛 | High pressure pneumatic balanced system |
| CN106197900A (en) * | 2016-08-31 | 2016-12-07 | 北京中金泰达电液科技有限公司 | Airtight somascope |
| CN108572049A (en) * | 2017-03-13 | 2018-09-25 | 常州市鹏睿机械有限公司 | One kind can accurate voltage regulating multi-temperature zone control transformer leak hunting forcing press |
| CN112539893A (en) * | 2019-09-20 | 2021-03-23 | 沈阳美茵联合检测有限公司 | Air tightness testing machine for cylinder valve |
| CN211576494U (en) * | 2019-12-31 | 2020-09-25 | 陕汽淮南专用汽车有限公司 | Aluminum alloy pressure test blind plate tool |
| CN212807528U (en) * | 2020-08-10 | 2021-03-26 | 罗浮阀门集团有限公司 | Delivery test device for breather valve |
| CN112197171A (en) * | 2020-11-12 | 2021-01-08 | 乐山川天燃气输配设备有限公司 | Intelligent remote voltage regulation control system |
| CN113945341A (en) * | 2021-10-15 | 2022-01-18 | 上海隧道工程有限公司 | Pressure adjusting and maintaining device for cutter head driving sealing test device |
| CN114018511A (en) * | 2021-11-04 | 2022-02-08 | 中船澄西扬州船舶有限公司 | Cabin gas tightness detects frock |
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Application publication date: 20221025 |