CN212133748U - Target type flowmeter with blowing device - Google Patents
Target type flowmeter with blowing device Download PDFInfo
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- CN212133748U CN212133748U CN202020831878.0U CN202020831878U CN212133748U CN 212133748 U CN212133748 U CN 212133748U CN 202020831878 U CN202020831878 U CN 202020831878U CN 212133748 U CN212133748 U CN 212133748U
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Abstract
The utility model belongs to the technical field of flow measuring's technique and specifically relates to a target flowmeter with a take gas blowing device is related to, it includes the trunk line, the branch pipe, force cell sensor, target pole and gauge outfit, the tip that is located the trunk line at the target pole is provided with the target plate, still including blowing mouth and gas blowing device, the mouth of blowing is seted up on the lateral wall of branch pipe, gas blowing device is provided with the gas outlet including the second constant flow valve that is used for stabilizing gas blowing mouth department pressure on the second constant flow valve, the one end and the air supply intercommunication of second constant flow valve, the other end passes through the gas outlet and blows mouthful intercommunication. The utility model discloses have the effect that effectively avoids target flowmeter's branch pipe to take place to block.
Description
Technical Field
The utility model belongs to the technical field of flow measuring's technique and specifically relates to a take gas blowing device's target flowmeter is related to.
Background
At present, target flowmeters are applied to industrial flow measurement in the sixties, mainly used for solving the problem of high viscosity and low reynolds number flow measurement, and sequentially go through two development stages of a pneumatic meter and an electric meter, and the SBL series intelligent target flowmeters are novel flow metering meters developed by adopting a latest force induction type sensor as a measurement and sensitive transmission element and simultaneously utilizing modern digital intelligent processing technology on the basis of the measurement principle of the original strain gauge type (capacitance type) target flowmeter.
The working principle of the target flowmeter is as follows: the target plate is acted by force in the fluid to displace, the target rod transmits the force to the gauge outfit through displacement, and the flow is displayed in the display module through calculation.
The traditional Chinese invention with application publication number CN107607162A discloses an integrated target type flowmeter, which comprises a main pipeline, branch pipes, target plates, target rods, a force measuring sensor and a gauge outfit, wherein the bottoms of the target rods are detachably connected with the top surfaces of the target plates, and the target rods and the target plates form a plane together.
Above-mentioned integral type target flowmeter adopts and directly sets up the target plate in the target pole bottom for the target pole becomes an organic whole with the target plate, thereby when measuring target pole removal displacement, can effectively solve the inhomogeneous phenomenon of target pole atress, thereby the life of extension target pole improves and measures the accurate value.
The above prior art solutions have the following drawbacks: be used for some high viscosity with above-mentioned target flowmeter, the operating mode of high temperature and easy crystallization, because target flowmeter's structural feature and theory of operation, the position of target pole in the branch pipe, generally can be because of the state of medium, influence target flowmeter's normal use and the degree of accuracy, for example, take place to block up the normal removal of restriction target pole, and maintain more difficult, and is higher in cost, in case dirty or crystallization jam in target pole department branch pipe, can cause scrapping of target flowmeter very probably, will improve flowmeter's use cost greatly, and the intraductal fluid fluctuation of trunk also can increase the branch pipe and take place the possibility of blockking.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a take gas blowing device's target flowmeter, it has the effect that effectively avoids target flowmeter's branch pipe to take place to block.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a take gas blowing device's target flowmeter, includes trunk line, branch pipe, force cell sensor, target pole and gauge outfit, the tip that is located the trunk line at the target pole is provided with the target piece, still including blowing mouthful and gas blowing device, the mouth of blowing is seted up on the lateral wall of branch pipe, gas blowing device is provided with the gas outlet including the second constant flow valve that is used for stabilizing the pressure of mouth of blowing department on the second constant flow valve, the one end and the air supply intercommunication of second constant flow valve, the other end passes through the gas outlet and blows mouthful intercommunication.
Through adopting above-mentioned technical scheme, the air supply provides the gas to the interior input of branch pipe, and in gas passed through the second constant flow valve in proper order, the gas inlet got into the branch pipe behind the mouth of blowing, forms the gas storehouse in the branch pipe, because of being full of by gas in the branch pipe, in the medium entering branch pipe in the gaseous trunk line that blocks to effectively solve taking place in the branch pipe and precipitating, the condition such as crystallization, if trunk line pressure is undulant, the atmospheric pressure of gas inlet department can be stabilized to the second constant flow valve, it is undulant to reduce the gas storehouse pressure, thereby guarantee that the gas storehouse blocks the effect.
The present invention may be further configured in a preferred embodiment as: the air blowing opening is positioned on the side wall of the top of the branch pipe.
By adopting the technical scheme, the gas entering the branch pipe from the gas blowing port is filled in the whole branch pipe from top to bottom, so that the gas in the branch pipe is sufficient in quantity and stable in gas pressure.
The present invention may be further configured in a preferred embodiment as: the blowing device further comprises a first constant flow valve, the first constant flow valve is communicated with the second constant flow valve, an air inlet is further formed in the first constant flow valve, and the first constant flow valve is communicated with an air source through the air inlet.
By adopting the technical scheme, the air source is communicated with the first constant flow valve, the first constant flow valve is communicated with the second constant flow valve, the first constant flow valve can stabilize the pressure fluctuation at the air source, so that the air entering the second constant flow valve is stable, and the two constant flow valves are matched for use, so that the air pressure in the whole air blowing device is relatively stable.
The present invention may be further configured in a preferred embodiment as: the gas blowing device further comprises a gas flow meter, and the gas flow meter is installed between the first constant flow valve and the second constant flow valve.
Through adopting above-mentioned technical scheme, gas flowmeter places and is used for determining the gas flow size in the pipeline between first constant flow valve and second constant flow valve, makes things convenient for the audio-visual observation of staff to let in the flow of gas according to the operating mode adjustment.
The present invention may be further configured in a preferred embodiment as: the gas blowing device further comprises a gas flow regulating valve, and the gas flow regulating valve is arranged between the first constant flow valve and the gas flowmeter.
Through adopting above-mentioned technical scheme, gas flow control valve cooperation gas flowmeter uses, makes things convenient for staff direct control to let in gas flow's size.
The present invention may be further configured in a preferred embodiment as: the first constant flow valve and the second constant flow valve are fixed together.
Through adopting above-mentioned technical scheme, first constant flow valve can reduce occupation space between them with the setting of second constant flow valve together, conveniently is suitable for different operating modes.
The present invention may be further configured in a preferred embodiment as: the force measuring sensor is detachably connected with the branch pipe.
Through adopting above-mentioned technical scheme, when needing maintenance or change target pole or target piece, the staff can be with force cell sensor and branch pipe split.
To sum up, the utility model discloses a following at least one useful technological effect:
1. compared with the prior art, the technical scheme has the characteristics of effectively avoiding the branch pipe of the target type flowmeter from being blocked by arranging the second constant flow valve and the air blowing port, wherein the second constant flow valve is respectively communicated with the air source and the air blowing port;
2. the air source is communicated with the first constant flow valve, the first constant flow valve is communicated with the second constant flow valve, the first constant flow valve can stabilize pressure fluctuation at the air source, so that air entering the second constant flow valve is stable, and the two constant flow valves are matched for use, so that the air pressure in the whole air blowing device is relatively stable;
3. through setting up gas flowmeter, gas flowmeter places and is used for surveing the gas flow size in the pipeline between first constant flow valve and second constant flow valve, makes things convenient for the audio-visual observation of staff to let in gaseous flow according to the operating mode adjustment.
Drawings
Fig. 1 is a cross-sectional view of a target flowmeter with an air blowing device provided by the present invention.
In the figure, 1, a main pipeline; 10. a connecting flange; 2. a branch pipe; 20. an air blowing port; 3. a force sensor; 4. a target bar; 40. target sheet; 5. a gauge head; 6. a blowing device; 60. a gas flow meter; 61. a gas flow regulating valve; 62. a first constant flow valve; 620. an air inlet; 63. a second constant flow valve; 630. and an air outlet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the target type flowmeter with an air blowing device disclosed by the present invention comprises a main pipe 1, a branch pipe 2 vertically communicated with the main pipe 1, a force measuring sensor 3 installed at the top of the branch pipe 2, a target rod 4 arranged in the branch pipe 2, a gauge outfit 5 installed at the top of the force measuring sensor 3, and an air blowing device 6 for conveying air into the branch pipe 2; the main pipeline 1 is a cylinder structure with openings at two ends, the main pipeline 1 is horizontally arranged, two ends of the main pipeline 1 are respectively fixedly welded with a connecting flange 10 for connecting with a pipeline to be detected, and the connecting flanges 10 are superposed with the axis of the main pipeline 1; the branch pipe 2 is detachably connected with the force measuring sensor 3, and in the embodiment, the branch pipe 2 is connected with the force measuring sensor 3 through a flange and a bolt; the top end of the target rod 4 is connected with the force measuring sensor 3, the bottom end of the target rod is suspended at the central position in the main pipeline 1, and a target sheet 40 is arranged at the bottom end of the target rod 4; the blowing device 6 comprises a gas flow meter 60, a gas flow regulating valve 61, a first constant flow valve 62 and a second constant flow valve 63, the gas flow meter 60 can be a common gas flow meter, and the gas flow meter 60 in the embodiment is an MF16 series micro-float flow meter; the gas flow regulating valve 61 is installed at the bottom of the gas flowmeter 60, the gas flow regulating valve 61 can be a common gas flow regulating valve, and the gas flow regulating valve 61 in the embodiment is an MF16/TE series flow regulating valve for regulating the flow of gas entering the branch pipe 2; one end of the first constant flow valve 62 is connected with the bottom of the gas flowmeter 60, the other end is provided with a gas inlet 620, a connecting nut is installed at the gas inlet 620, the gas inlet 620 is communicated with a gas source, the first constant flow valve 62 can be a common gas constant flow valve, and the first constant flow valve 62 in the embodiment is an MFC1 series constant flow valve; one end of the second constant flow valve 63 is connected with the top of the gas flowmeter 60, the other end is provided with a gas outlet 630, the second constant flow valve 63 can be a common gas constant flow valve, the second constant flow valve 63 in the embodiment is a WYF-1 type gas constant flow valve, a nut for connection is installed at the gas outlet 630, the second constant flow valve 63 is connected with the first constant flow valve 62, and in the embodiment, the second constant flow valve 63 and the first constant flow valve 62 are welded and fixed together; the pipe wall at the top of the branch pipe 2 is provided with an air blowing opening 20, a nut for connection is arranged at the air blowing opening 20, the air outlet 630 is communicated with the air blowing opening 20 through an air pipe, and the air pipe is respectively fixed with the air outlet 630 and the air blowing opening 20 in a threaded manner.
The implementation principle of the embodiment is as follows: the staff selects gas which does not react with the medium to be introduced into the gas inlet 620 according to the characteristics of the medium in the main pipeline 1, the gas enters the branch pipeline 2 after passing through the first constant flow valve 62, the gas flowmeter 60, the second constant flow valve 63 and the gas blowing port 20 in sequence, a gas bin is formed in the branch pipeline 2, and the medium in the main pipeline 1 is blocked by the gas to enter the branch pipeline 2 because the branch pipeline 2 is filled with the gas, so that the problems of precipitation, crystallization and the like in the branch pipeline 2 are effectively solved; the flow of the introduced gas can be known by observing the numerical value of the gas flowmeter 60, and the flow of the introduced gas can be changed by controlling the gas flow regulating valve 61, so that the gas is ensured not to influence the normal work of the target rod 4; if the pressure fluctuation is caused by the medium fluctuation in the main pipeline 1, the pressure fluctuation of the gas bin is influenced by the pressure change, the second constant flow valve 63 can effectively stabilize the pressure near the gas outlet 630, and further stabilize the pressure in the gas bin; if the air source pressure is unstable, the first constant flow valve 62 can effectively stabilize the pressure near the air inlet 620, so as to stabilize the pressure in the air bin, and effectively solve the problem that the pressure change in the air bin affects the target rod 4.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a take gas blowing device's target-type flowmeter, includes trunk line (1), branch pipe (2), force cell sensor (3), target rod (4) and gauge outfit (5), is provided with target piece (40), its characterized in that at the tip that target rod (4) are located trunk line (1): the gas blowing device comprises a branch pipe (2), and is characterized by further comprising a gas blowing port (20) and a gas blowing device (6), wherein the gas blowing port (20) is formed in the side wall of the branch pipe (2), the gas blowing device (6) comprises a second constant flow valve (63) used for stabilizing the pressure at the gas blowing port (20), a gas outlet (630) is formed in the second constant flow valve (63), one end of the second constant flow valve (63) is communicated with a gas source, and the other end of the second constant flow valve is communicated with the gas blowing port (20) through the gas outlet (630.
2. The target flowmeter with the gas blowing device of claim 1, wherein: the air blowing opening (20) is positioned on the side wall of the top of the branch pipe (2).
3. The target flowmeter with the gas blowing device of claim 1, wherein: the blowing device (6) further comprises a first constant flow valve (62), the first constant flow valve (62) is communicated with a second constant flow valve (63), an air inlet (620) is further formed in the first constant flow valve (62), and the first constant flow valve (62) is communicated with an air source through the air inlet (620).
4. The target flowmeter with the gas blowing device of claim 3, wherein: the blowing device (6) further comprises a gas flow meter (60), and the gas flow meter (60) is installed between the first constant flow valve (62) and the second constant flow valve (63).
5. The target flowmeter with the gas blowing device of claim 4, wherein: the blowing device (6) further comprises a gas flow regulating valve (61), and the gas flow regulating valve (61) is arranged between the first constant flow valve (62) and the gas flowmeter (60).
6. The target flowmeter with the gas blowing device of claim 3, wherein: the first constant flow valve (62) and the second constant flow valve (63) are fixed together.
7. The target flowmeter with the gas blowing device of claim 1, wherein: the force measuring sensor (3) is detachably connected with the branch pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020831878.0U CN212133748U (en) | 2020-05-18 | 2020-05-18 | Target type flowmeter with blowing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020831878.0U CN212133748U (en) | 2020-05-18 | 2020-05-18 | Target type flowmeter with blowing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212133748U true CN212133748U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020831878.0U Active CN212133748U (en) | 2020-05-18 | 2020-05-18 | Target type flowmeter with blowing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212133748U (en) |
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2020
- 2020-05-18 CN CN202020831878.0U patent/CN212133748U/en active Active
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