CN110639891A - Novel high pressure sweeps device - Google Patents
Novel high pressure sweeps device Download PDFInfo
- Publication number
- CN110639891A CN110639891A CN201810679375.3A CN201810679375A CN110639891A CN 110639891 A CN110639891 A CN 110639891A CN 201810679375 A CN201810679375 A CN 201810679375A CN 110639891 A CN110639891 A CN 110639891A
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- CN
- China
- Prior art keywords
- pressure
- valve
- purging device
- pressure reducing
- reducing valve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses a novel high-pressure purging device which comprises a float flowmeter, wherein a connecting straight pipe is connected onto the float flowmeter, a stop valve is installed at the top end of the connecting straight pipe, a connecting pipeline is arranged on the inner side of the stop valve, a main valve is arranged on one side of the stop valve, a control rod is connected to one side of the main valve, a pressure reducing valve is installed at the top end of the stop valve, an opening and closing part is connected to one side of the pressure reducing valve, and flange connecting ends are arranged at two ends of the connecting straight pipe. The invention relates to a novel high-pressure purging device, the pressure of the purging device designed at this time can reach 1500LB, the 1500LB high-pressure purging device is composed of a float flowmeter, a stop valve and a pressure reducing valve, the constant-flow function of the purging device is realized by the specific structure of the pressure reducing valve, the purging device can be suitable for working conditions within 1500LB pressure grade, the pressure reducing valve can be used as a constant-flow valve in the structure to achieve the constant-flow purging function, the application range of equipment is widened, and the purging device is convenient and practical.
Description
Technical Field
The invention relates to a high-pressure purging device, in particular to a novel high-pressure purging device.
Background
The blowing device is a mechanical small flow controller, and is generally formed by combining a rotor flow meter, a pressure reducing valve, a pressure gauge, a constant flow valve, a pipeline, a connector and the like. The blowing device is divided into two types according to a constant flow valve, namely a primary pressure change control type and a secondary pressure change control type. No matter the supply pressure of the pipeline changes or the load (output) pressure changes, the constant flow output can be ensured due to the automatic regulation function of the built-in diaphragm (regulating valve). In the purging method measurement system, measurement errors are reduced, the flow of the purging fluid must be constant, the purging flow is selected according to the type of the purging fluid, the characteristic condition of a measured medium and measurement requirements, but the pressure grade of the purging device with a common membrane structure can only reach 300LB, the highest pressure grade of a special design can only reach 900LB, certain limitations exist in use, and the application range of equipment is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a novel high-pressure purging device, the pressure of the purging device designed at this time can reach 1500LB, the 1500LB high-pressure purging device consists of a float flowmeter, a stop valve and a pressure reducing valve, the constant flow function of the purging device is realized by the special structure of the pressure reducing valve, the purging device can be suitable for working conditions within 1500LB pressure grade, the pressure reducing valve can be used as a constant flow valve in the structure to achieve the constant flow purging function, the use range of equipment is expanded, and the purging device is convenient and practical.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention discloses a novel high-pressure purging device which comprises a float flowmeter, wherein a connecting straight pipe is connected to the float flowmeter, a stop valve is installed at the top end of the connecting straight pipe, a connecting pipeline is arranged on the inner side of the stop valve, a main valve is arranged on one side of the stop valve, a control rod is connected to one side of the main valve, a pressure reducing valve is installed at the top end of the stop valve, an opening and closing part is connected to one side of the pressure reducing valve, and flange connecting ends are arranged at two ends of the connecting straight pipe, the connecting pipeline and the pressure.
As a preferred technical scheme of the invention, the outer side of the flange connecting end is provided with a stud bolt, and the connecting straight pipe, the connecting pipeline and the pressure reducing valve are fixed through the stud bolt.
As a preferable technical scheme of the invention, one side of the float flowmeter is provided with a flowmeter mounting seat, and the float flowmeter is connected with the connecting straight pipe through the flowmeter mounting seat.
As a preferable technical scheme of the invention, one side of the bottom end of the pressure reducing valve is provided with a pressure gauge.
Compared with the prior art, the invention has the following beneficial effects:
the invention relates to a novel high-pressure purging device, which can effectively improve the application range and convenience of equipment, the pressure of the purging device designed at this time can reach 1500LB, the 1500LB high-pressure purging device consists of a float flowmeter, a stop valve and a pressure reducing valve, the constant flow function of the purging device is realized by the special structure of the pressure reducing valve, the purging device can be suitable for working conditions within 1500LB pressure grade, the pressure reducing valve can be used as a constant flow valve in the structure to achieve the constant flow purging function, the application range of the equipment is improved, and the purging device is convenient and practical.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
in the figure: 1. a float flow meter; 2. a main valve; 3. a pressure reducing valve; 4. an opening and closing member; 5. connecting a pipeline; 6. a stop valve; 7. a control lever; 8. a flange connection end; 9. a stud bolt; 10. connecting a straight pipe; 11. a flowmeter mounting seat; 12. and (6) a pressure measuring meter.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
As shown in fig. 1-2, the invention provides a novel high-pressure purging device, which comprises a float flowmeter 1, wherein the float flowmeter 1 is connected with a connecting straight pipe 10, the top end of the connecting straight pipe 10 is provided with a stop valve 6, the inner side of the stop valve 6 is provided with a connecting pipeline 5, one side of the stop valve 6 is provided with a main valve 2, one side of the main valve 2 is connected with a control rod 7, the top end of the stop valve 6 is provided with a pressure reducing valve 3, one side of the pressure reducing valve 3 is connected with an opening and closing part 4, and two ends of the connecting straight pipe 10, the connecting pipeline 5.
Further, the outer side of the flange connecting end 8 is provided with a stud 9, the connecting straight pipe 10, the connecting pipeline 5 and the pressure reducing valve 3 are all fixed through the stud 9, the connecting straight pipe is connected through the flange connecting end 8, and the stud 9 is fixed to enable the structure to be stable.
One side of float flowmeter 1 is provided with flowmeter mount pad 11, and float flowmeter 1 is connected through flowmeter mount pad 11 with connecting straight tube 10, installs float flowmeter 1 through the flowmeter mount pad 11 that sets up, conveniently uses.
Pressure gauge 12 is installed to the bottom one side of relief pressure valve 3, carries out the pressure measurement to inside through the pressure gauge 12 that sets up, conveniently regulates and control.
Specifically, when the invention is used, the pressure reducing valve 3 causes pressure loss through the throttling of the opening and closing part 4 to force the inlet pressure to reduce a certain required value at the outlet, when the flow and the pressure change, the purpose of controlling the outlet pressure to be basically unchanged by utilizing the energy of the medium per se is utilized, the medium of the pressure reducing valve 3 moves from top to bottom, when the outlet pressure is adjusted, the adjusting control rod 7 is rotated clockwise to enable the piston to move downwards to open the main valve 2, the throttling area is changed to cause pressure loss and realize pressure reduction, because the medium flows into the lower cavity of the piston through the X channel and keeps balance with the upper part of the piston, when the pressure and the flow change, the throttling area of the main valve 2 keeps a corresponding position all the time, because the pressure reducing valve 3 adopts an unloading mechanism, the influence of the inlet pressure change on the outlet pressure is reduced, and simultaneously, the action area of the outlet pressure is, the pressure change of the outlet of the valve is reduced, the pressure stabilizing precision of the pressure reducing valve 3 is greatly improved, and the principle introduction shows that the working principle and the feedback mechanism of the high-pressure piston type pressure reducing valve are the same as those of a common constant flow valve and have a constant flow function, but the pressure reducing valve has smaller area for receiving feedback pressure and can not meet the requirement that the feedback pressure area is far larger than the flow area, so the induction sensitivity of the pressure reducing valve is not as good as that of a diaphragm, but the pressure difference of the inlet and the outlet of a high-pressure loop is considered to be larger, the influence of the smaller pressure change on the pressure difference is small, and the constant flow requirement can still.
To sum up, the pressure of the blowing device designed at this time of the equipment can reach 1500LB, the 1500LB high-pressure blowing device is composed of a float flowmeter, a stop valve and a pressure reducing valve, the constant-flow function of the blowing device is realized by the special structure of the pressure reducing valve, the blowing device can be suitable for the working condition within the 1500LB pressure grade, the pressure reducing valve can serve as a constant-flow valve in the structure to achieve the constant-flow blowing function, the use range of the equipment is enlarged, and the blowing device is convenient and practical.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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 (4)
1. The utility model provides a novel high pressure sweeps device, includes float flowmeter (1), its characterized in that, be connected with on float flowmeter (1) and connect straight tube (10), connect the top of straight tube (10) and install stop valve (6), the inboard of stop valve (6) is provided with connecting tube (5), one side of stop valve (6) is provided with main valve (2), one side of main valve (2) is connected with control lever (7), relief pressure valve (3) are installed on the top of stop valve (6), one side of relief pressure valve (3) is connected with and opens and close piece (4), the both ends of connecting straight tube (10), connecting tube (5) and relief pressure valve (3) all are provided with flange joint end (8).
2. A novel high-pressure purging device as claimed in claim 1, wherein stud bolts (9) are arranged on the outer side of the flange connecting end (8), and the connecting straight pipe (10), the connecting pipeline (5) and the pressure reducing valve (3) are fixed through the stud bolts (9).
3. A novel high-pressure purging device as claimed in claim 1, characterized in that a flowmeter mounting seat (11) is arranged on one side of the float flowmeter (1), and the float flowmeter (1) is connected with the connecting straight pipe (10) through the flowmeter mounting seat (11).
4. A novel high-pressure purging device as claimed in claim 1, characterized in that a pressure measuring meter (12) is installed on one side of the bottom end of the pressure reducing valve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810679375.3A CN110639891A (en) | 2018-06-27 | 2018-06-27 | Novel high pressure sweeps device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810679375.3A CN110639891A (en) | 2018-06-27 | 2018-06-27 | Novel high pressure sweeps device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110639891A true CN110639891A (en) | 2020-01-03 |
Family
ID=69009064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810679375.3A Pending CN110639891A (en) | 2018-06-27 | 2018-06-27 | Novel high pressure sweeps device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110639891A (en) |
-
2018
- 2018-06-27 CN CN201810679375.3A patent/CN110639891A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200103 |
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| WD01 | Invention patent application deemed withdrawn after publication |