CN214584079U - Vacuum drying test system - Google Patents
Vacuum drying test system Download PDFInfo
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- CN214584079U CN214584079U CN202120209628.8U CN202120209628U CN214584079U CN 214584079 U CN214584079 U CN 214584079U CN 202120209628 U CN202120209628 U CN 202120209628U CN 214584079 U CN214584079 U CN 214584079U
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Abstract
The invention provides a vacuum drying test system, which comprises two symmetrically arranged manifolds, wherein the two manifolds are obliquely arranged; a water outlet is arranged below the lower side position of the manifold; the manifold inner cavity is divided into a plurality of test cavities by a plurality of partition plates, an exhaust port is arranged above the lower side position of each test cavity, and a plug is detachably mounted on each exhaust port; and water passing ports are formed in the partition plates, and water passing control valves are installed on the water passing ports. The invention can simulate the working condition of actual drying construction operation, measure the corresponding parameters, provide reliable data guarantee for the construction of pipeline drying operation, guide the actual pipeline drying operation, ensure the drying effect on the premise that the vacuumizing pressure does not damage the pipeline, simultaneously avoid the waste of drying time and effectively improve the working efficiency.
Description
Technical Field
The invention belongs to the technical field of pipeline system simulation test equipment, and particularly relates to a vacuum drying test system.
Background
After the construction of non-liquid conveying pipelines such as gas pipelines and the like is finished, the pipelines need to be dried, so that the phenomenon that the quality of a gas source is influenced because residual water in the pipelines is mixed in the conveyed gas is avoided. During the drying operation of the existing pipeline, the water vapor is condensed and flows out through vacuumizing treatment generally, and then the drying purpose is achieved. However, in the process of vacuum-pumping and drying operation, the vacuum-pumping time, pressure and temperature are all variables, and most of the prior art is operated by the experience of operators, and during the construction, many unstable factors are caused only by the experience of workers, for example, the vacuum-pumping time is short, the pressure is low, the drying effect is not guaranteed, if the vacuum-pumping time is prolonged in one place, the working efficiency cannot be guaranteed, if the pressure is set too high during the vacuum-pumping, the pipeline is damaged, the stability of the drying operation is poor, and the effect is not ideal, so that a test device capable of simulating the vacuum-drying operation of the pipeline with the common specification needs to be researched, so that qualitative analysis is performed on variables such as different temperatures, different pressures, and vacuum-pumping time, and the like, the drying operation construction is guided, and better economic benefit is achieved.
Disclosure of Invention
In view of this, the present invention provides a vacuum drying test system to overcome the defects in the prior art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a vacuum drying test system comprises two headers which are symmetrically arranged, wherein the two headers are obliquely arranged, at least one pipeline simulation piece is arranged between the two headers, and two ends of the pipeline simulation piece are respectively provided with a pipeline connecting flange; a water outlet is arranged below the lower side position of the manifold;
the manifold inner cavity is divided into a plurality of test cavities by a plurality of partition plates, an exhaust port is arranged above the lower side position of each test cavity, and a plug is detachably mounted on each exhaust port; a water passing port is arranged on each partition plate, and a water passing control valve is arranged on each water passing port;
the inner side of the manifold is provided with a flange connecting structure corresponding to each test cavity respectively, the flange connecting structure comprises a communicating pipe communicated with the test cavities and a flange plate of which the tail end of the communicating pipe is matched with a pipeline connecting flange on different pipeline simulation parts, the inner side or the outer side of the manifold is provided with a water inlet pipe fitting, the water inlet pipe fitting is provided with a water injection pipe corresponding to each test cavity, and the water injection pipe is provided with a water injection control valve;
the water outlet is connected with a vacuumizing assembly, the vacuumizing assembly comprises a vacuumizing pipeline and an on-off control valve on the vacuumizing pipeline, one end of the vacuumizing pipeline is connected with the water outlet, the other end of the vacuumizing pipeline is connected with a vacuum pump, a water storage tank is connected onto the vacuumizing pipeline, and the water storage tank, namely a water passing pipeline for connecting the water storage tank and the vacuumizing pipeline, is positioned below the liquid level of the vacuumizing pipeline.
Further, the water passing control valve adopts a stop valve.
Further, the water injection control valve adopts a stop valve.
Furthermore, a one-way stop valve is arranged on a water pipeline between the water storage tank and the vacuumizing pipeline.
Further, install detection component on the evacuation pipeline, detection component includes thermometer and manometer.
Further, the detection assembly further comprises a dew point detector.
Further, the detection component also comprises a timer.
Compared with the prior art, the invention has the following advantages:
the pipeline drying device is reasonable in structural design, a pipeline simulation piece can be installed between two manifolds to perform simulation, corresponding parameters are measured, reliable data guarantee is provided for pipeline drying operation construction, pipeline drying operation can be guided according to the parameter corresponding relation counted by a test system according to different working conditions, the waste of drying time is avoided while the drying effect is ensured on the premise that the pipeline is not damaged by vacuumizing pressure, the working efficiency can be effectively improved, and various unstable factors caused by manual experience during construction are avoided.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of a header section in an embodiment of the invention;
fig. 3 is a schematic view of a portion of an evacuation assembly in an embodiment of the present invention.
Description of reference numerals:
1-collecting pipe; 2-a pipe simulator; 3-a pipeline connecting flange; 4-a water outlet; 5-a test cavity; 6-an exhaust port; 7-communicating pipe; 8-a flange plate; 9-water inlet pipe fittings; 10-a water injection pipe; 11-pressure gauge; 12-a vacuum-pumping pipeline; 13-on-off control valve; 14-a vacuum pump; 15-a water storage tank; 16-one-way stop valve; 17-a thermometer; 18-partition plate.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.
A vacuum drying test system is shown in figures 1 to 3 and comprises two headers 1 which are symmetrically arranged, wherein the two headers are obliquely arranged, at least one pipeline simulation piece 2 is arranged between the two headers when test operation is carried out, and a plurality of pipelines with different specifications can be simultaneously connected between the two headers to simulate the working condition when the pipelines with different specifications are combined. Two ends of the pipeline simulation piece are respectively provided with a pipeline connecting flange 3; and a water outlet 4 is arranged below the low side position of the manifold, of course, a water outlet can also be arranged on the pipeline simulation piece, the vacuumized pipeline is connected to the water outlet of the manifold or the pipeline simulation piece according to needs, or the vacuumized pipeline can be respectively installed on the water outlets of the manifold and the pipeline simulation piece to be tested, and the influence of comparison on the test result is analyzed.
It should be noted that the diameter of the manifold is typically at least one step (i.e., one gauge) larger than the largest diameter sample in the pipe simulator to ensure that the manifold can inject sufficient water into the pipe simulator when needed. The manifold is generally in a uniform cross-section structure, namely a straight-tube-shaped structure, so that the calculation of the injected water quantity in the manifold is facilitated.
It should be noted that, when the actual field structure of the testing system is arranged, the manifold can be fixed on the base or the bracket, so as to ensure the stability of the manifold, and the placement and fixation of the manifold can be realized by adopting the conventional technology, as long as the stable fixation of the manifold is ensured, which is not described herein again.
The inner cavity of the manifold is divided into a plurality of test cavities 5 by a plurality of clapboards 18, an exhaust port 6 is arranged above the lower side position of each test cavity, and a plug is detachably arranged on the exhaust port; a water passing port is arranged on each partition plate, and a water passing control valve is arranged on each water passing port;
the inner side of the manifold is respectively provided with a flange connecting structure corresponding to each test cavity, each flange connecting structure comprises a communicating pipe 7 communicated with the test cavity and flange plates 8 at the tail ends of the communicating pipes, the flange plates are matched with pipeline connecting flanges on different pipeline simulation parts, a pipeline mounting position is formed between each group of corresponding flange plates, the inner side or the outer side of the manifold is provided with a water inlet pipe fitting 9, each water inlet pipe fitting corresponds to each test cavity and is provided with a water injection pipe 10, and the water injection pipes are provided with water injection control valves;
the water outlet is connected with a vacuumizing assembly, the vacuumizing assembly comprises a vacuumizing pipeline 12 and an on-off control valve 13 on the vacuumizing pipeline, the on-off control valve generally adopts a stop valve, one end of the vacuumizing pipeline is connected with the water outlet, the other end of the vacuumizing pipeline is connected with a vacuum pump 14, a water storage tank 15 is connected on the vacuumizing pipeline, and the water storage tank, namely a water passing pipeline for connecting the water storage tank and the vacuumizing pipeline, is positioned below the liquid level of the vacuumizing pipeline. When water is injected into the pipeline simulation part, the on-off control valve is kept closed, and the on-off control valve is opened before vacuumizing.
In general, a stop valve is used as the overflowed control valve, and a stop valve is used as the water filling control valve. In an optional embodiment, a one-way stop valve 16 can be installed on the water passing pipeline between the water storage tank and the vacuum pumping pipeline according to actual needs to prevent water from sucking backwards.
The vacuumizing pipeline is provided with a detection assembly, and the detection assembly comprises a thermometer 17 and a pressure gauge 11. Typically, the detection assembly may also include a dew point detector. A timer can be arranged on the vacuumizing pipeline, so that the working time can be conveniently and visually determined, and data recording and statistics are facilitated. Of course, according to actual needs, other detection devices can be arranged on the vacuum-pumping pipeline, so as to facilitate statistics of test data.
When carrying out the vacuum drying test, according to actual need earlier, fixed pipeline simulation piece on the pipe mounting position of corresponding specification pipe diameter, later install the corresponding experiment intracavity that pipeline simulation piece corresponds and fill water through water inlet pipe spare to the manifold to keep not being connected with the experiment chamber of pipeline simulation piece and not add water. And then starting a vacuum pump to perform a vacuum drying simulation test. And carrying out multiple groups of tests aiming at different temperatures, pressures, pipe diameters, vacuumizing time and the like, and recording test data so as to reasonably set the vacuumizing pressure, the vacuumizing time and the like under different temperatures and pipe diameters in actual construction.
The pipeline drying device is reasonable in structural design, a pipeline simulation piece can be installed between two manifolds for simulation, corresponding parameters are measured, reliable data guarantee is provided for pipeline drying operation construction, pipeline drying operation can be guided according to parameter corresponding relations counted by a test system according to different working conditions, the drying effect is guaranteed on the premise that the pipeline is not damaged by vacuumizing pressure, meanwhile, waste of drying time is avoided, and the working efficiency can be effectively improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.
Claims (7)
1. A vacuum drying test system is characterized in that: the pipeline simulator comprises two symmetrically arranged manifolds, wherein the two manifolds are obliquely arranged, at least one pipeline simulation piece is arranged between the two manifolds, and two ends of the pipeline simulation piece are respectively provided with a pipeline connecting flange; a water outlet is arranged below the lower side position of the manifold;
the manifold inner cavity is divided into a plurality of test cavities by a plurality of partition plates, an exhaust port is arranged above the lower side position of each test cavity, and a plug is detachably mounted on each exhaust port; a water passing port is arranged on each partition plate, and a water passing control valve is arranged on each water passing port;
the inner side of the manifold is provided with a flange connecting structure corresponding to each test cavity respectively, the flange connecting structure comprises a communicating pipe communicated with the test cavities and a flange plate of which the tail end of the communicating pipe is matched with a pipeline connecting flange on different pipeline simulation parts, the inner side or the outer side of the manifold is provided with a water inlet pipe fitting, the water inlet pipe fitting is provided with a water injection pipe corresponding to each test cavity, and the water injection pipe is provided with a water injection control valve;
the water outlet is connected with a vacuumizing assembly, the vacuumizing assembly comprises a vacuumizing pipeline and an on-off control valve on the vacuumizing pipeline, one end of the vacuumizing pipeline is connected with the water outlet, the other end of the vacuumizing pipeline is connected with a vacuum pump, a water storage tank is connected onto the vacuumizing pipeline, and the water storage tank, namely a water passing pipeline for connecting the water storage tank and the vacuumizing pipeline, is positioned below the liquid level of the vacuumizing pipeline.
2. A vacuum drying test system according to claim 1, wherein: the water passing control valve adopts a stop valve.
3. A vacuum drying test system according to claim 1, wherein: the water injection control valve adopts a stop valve.
4. A vacuum drying test system according to claim 1, wherein: and a one-way stop valve is arranged on a water passing pipeline between the water storage tank and the vacuumizing pipeline.
5. A vacuum drying test system according to claim 1, wherein: the vacuumizing pipeline is provided with a detection assembly, and the detection assembly comprises a thermometer and a pressure gauge.
6. The vacuum drying test system of claim 5, wherein: the detection assembly further comprises a dew point detector.
7. The vacuum drying test system of claim 5, wherein: the detection assembly further includes a timer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120209628.8U CN214584079U (en) | 2021-01-26 | 2021-01-26 | Vacuum drying test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120209628.8U CN214584079U (en) | 2021-01-26 | 2021-01-26 | Vacuum drying test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214584079U true CN214584079U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120209628.8U Active CN214584079U (en) | 2021-01-26 | 2021-01-26 | Vacuum drying test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214584079U (en) |
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2021
- 2021-01-26 CN CN202120209628.8U patent/CN214584079U/en active Active
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