CN212093534U - Laser charge level indicator sweeps device - Google Patents
Laser charge level indicator sweeps device Download PDFInfo
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- CN212093534U CN212093534U CN202020328706.1U CN202020328706U CN212093534U CN 212093534 U CN212093534 U CN 212093534U CN 202020328706 U CN202020328706 U CN 202020328706U CN 212093534 U CN212093534 U CN 212093534U
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- pipe
- purging
- laser
- level gauge
- laser level
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Abstract
The utility model relates to a sweep equipment technical field, disclose a laser charge level indicator sweeps device, set up on the level gauge mouth of pipe of feed bin upper end, include: the purging pipe is coaxially and hermetically connected with the pipe orifice of the liquid level meter, and a through hole is formed in the pipe wall of the purging pipe; the first end of the inclined pipe is tightly embedded in the through hole; the laser material level meter is arranged on the upper end face of the purging pipe; an instrument wind line; and the first end of the air source conveying pipe is connected with the instrument air pipeline, the second end of the air source conveying pipe is communicated with the second end of the inclined pipe, and a first acute angle is formed between the central axis of the inclined pipe and the central axis of the purging pipe. The laser level indicator purging device has the advantages of being good in purging effect, avoiding high-altitude operation and ensuring operation safety.
Description
Technical Field
The utility model relates to a sweep equipment technical field, especially relate to a laser charge level indicator sweeps device.
Background
In the process of conveying polyvinyl chloride, the feed bin uses the laser level meter, and in the process of conveying polyvinyl chloride, the situation that powder adheres to the glass lens of the laser level meter often appears, because of high powder temperature, the conveying time is long, can directly pile up on the surface of lens, seriously influences the measurement accuracy of laser level meter, and current processing mode is usually: purging by one air supply temporarily, through demolising the laser level meter, then use the surface of instrument tuber pipe line laser level meter to sweep and clear up, then will sweep and the laser level meter after the clearance install and use again, however, because the floor is too high, often can't in time clear up the laser level meter, the measurement deviation often appears, and in addition, the top of feed bin is 30 meters apart from ground, often carries out the operation of raising above, also can have very big potential safety hazard.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims at providing a laser charge level indicator sweeps device to solve among the prior art and carry out the in-process of carrying at polyvinyl chloride, the feed bin uses is the laser charge level indicator, and the powder can be piled up on the surface of laser charge level indicator, thereby influences the technical problem of laser charge level indicator's measurement accuracy seriously.
(II) technical scheme
In order to solve the technical problem, the utility model provides a laser charge level indicator sweeps device sets up on the level gauge mouth of pipe of feed bin upper end, include: the purging pipe is coaxially and hermetically connected with the pipe orifice of the liquid level meter, and a through hole is formed in the pipe wall of the purging pipe; the first end of the inclined pipe is tightly embedded in the through hole; the laser material level meter is arranged on the upper end face of the purging pipe; an instrument wind line; and the first end of the air source conveying pipe is connected with the instrument air pipeline, the second end of the air source conveying pipe is communicated with the second end of the inclined pipe, and a first acute angle is formed between the central axis of the inclined pipe and the central axis of the purging pipe.
Wherein the first acute angle is greater than 0 degrees and less than 80 degrees.
Wherein the first acute angle is equal to or greater than 30 degrees and equal to or less than 60 degrees.
Wherein, a pneumatic duplex piece is arranged on the air source conveying pipe.
The pipe wall of the purging pipe is provided with at least two through holes at intervals along the circumferential direction, the inclined pipes are multiple, the number of the inclined pipes is equal to that of the through holes, and the first ends of the inclined pipes are embedded in the corresponding through holes respectively.
And the upper end of the purging pipe is fixedly connected with the lower end of the pipe orifice of the liquid level meter in a coaxial sealing manner through a flange group.
The flange group comprises an upper flange arranged at the lower end of the purging pipe and a lower flange arranged at the upper end of the pipe orifice of the liquid level meter, wherein the upper flange is matched with the lower flange and is fixedly connected with the lower flange in a fastening piece or welding mode.
Wherein, the air source conveying pipe is provided with a one-way valve at the inlet end of the pneumatic duplex piece.
Wherein the first end of the inclined pipe is welded with the edge of the through hole into a whole.
And the second end of the gas source conveying pipe is respectively communicated with the second end of the corresponding inclined pipe through a multi-way valve.
(III) advantageous effects
The utility model provides a laser charge level indicator sweeps device compares with prior art, has following advantage:
when powder is conveyed into the storage bin, after the air source conveying pipe is started, the instrument air pipeline is conveyed into the purging pipe through the air source conveying pipe and the inclined pipe, the purpose that the surface of the laser material level indicator is directly purged through the instrument air pipeline is achieved, and the situation that the powder is accumulated on the surface of the laser material level indicator to influence the measurement precision of the laser material level indicator is avoided. In addition, the blowing mode of the air conditioner saves the situation of high-altitude operation, and greatly improves the safety.
Drawings
Fig. 1 is a schematic overall structure diagram of a purging device of a laser level gauge according to an embodiment of the present invention;
FIG. 2 is a schematic view of the connection structure of the purge tube, the inclined tube, the laser level gauge, the instrument wind pipeline, the gas source delivery tube, the pneumatic duplex piece, the flange set and the check valve in FIG. 1.
Reference numerals:
1: a purge tube; 2: an inclined tube; 3: a laser level gauge; 4: an instrument wind line; 5: an air source delivery pipe; 6: a pneumatic duplex piece; 7: a flange group; 71: an upper flange; 72: a lower flange; 8: a one-way valve; 200: a storage bin; 201: a liquid level meter pipe orifice.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1 to 2, the laser level gauge purging device is schematically shown to comprise a purge tube 1, an inclined tube 2, a laser level gauge 3, a gauge wind line 4 and an air supply duct 5.
In the embodiment of the application, the laser level gauge purging device is arranged on a level gauge pipe opening 201 at the upper end of the storage bin 200.
The purging tube 1 is coaxially and hermetically connected with the liquid level meter nozzle 201, and a through hole (not shown in the figure) is formed on the tube wall of the purging tube 1.
The first end of the inclined pipe 2 is tightly embedded in the through hole.
The laser level gauge 3 is provided on the upper end surface of the purge pipe 1.
The first end of the air source conveying pipe 5 is connected with the instrument air pipeline 4, the second end of the air source conveying pipe 5 is communicated with the second end of the inclined pipe 2, and a first acute angle theta is formed between the central axis of the inclined pipe 2 and the central axis of the purging pipe 1. Specifically, when powder (polyvinyl chloride) is conveyed into the stock bin 200, after the air source conveying pipe 5 is started, the instrument air pipeline 4 is conveyed into the purging pipe 1 through the air source conveying pipe 5 and the inclined pipe 2, the purpose that the instrument air pipeline 4 directly purges the surface of the laser level indicator 3 is achieved, and the powder is prevented from being accumulated on the surface of the laser level indicator 3, so that the measurement precision of the laser level indicator 3 is influenced.
In addition, the blowing mode of the air conditioner saves the situation of high-altitude operation, and greatly improves the safety.
In a preferred embodiment of the present application, the first acute angle θ is greater than 0 degrees and less than 80 degrees, as shown in fig. 1. Specifically, the first acute angle θ is larger than 0 degree and smaller than 80 degrees, so that the purging effect can be effectively improved, the wind power can be dispersed to the surface of the laser level indicator 3 in a large area, and the purpose of effectively removing powder on the surface of the laser level indicator 3 is achieved.
It should be noted that the laser level gauge 3 may be fixed to the upper end surface of the purge pipe 1 by a flange.
As shown in fig. 1, in a preferred embodiment of the present application, the first acute angle θ is equal to or greater than 30 degrees and equal to or less than 60 degrees. Specifically, the first acute angle θ is greater than or equal to 30 degrees and less than or equal to 60 degrees, so that the purging efficiency can be effectively improved, the wind force is ensured to directly act on the surface of the laser level indicator 3, and the purpose of effectively purging the powder on the surface of the laser level indicator 3 is achieved.
In a preferred embodiment of the present application, the first acute angle θ is preferably 30 °, 45 °, 60 °, or the like.
In a preferred embodiment of the present application, as shown in fig. 1, a pneumatic doubler 6 is mounted on the air supply duct 5. Specifically, the purpose of adjusting the pressure of the instrument air pipeline 4 can be achieved by additionally arranging the pneumatic duplex piece 6, and after a plurality of tests, when the pressure of the instrument air pipeline 4 reaches 0.3MPA (megapascal), the purging effect is optimal.
As shown in fig. 1, in a preferred embodiment of the present application, at least two through holes (not shown in the drawings) are circumferentially provided at intervals on a wall of the purge tube 1, the number of the inclined tubes 2 is equal to that of the through holes, and a first end of each inclined tube 2 is respectively embedded in the corresponding through hole. Specifically, at least two through holes are arranged on the pipe wall of the purging pipe 1 at intervals along the circumferential direction, and the quantity of the inclined pipes 2 is equal to that of the through holes, so that the wind force acting on the surface of the laser level indicator 3 in unit time can be effectively improved, and the purpose of effectively removing powder on the surface of the laser level indicator 3 in unit time is achieved.
Note that each of the through holes may have a diameter of 10 mm.
In a preferred embodiment of the present application, as shown in fig. 1, the upper end of the purge tube 1 and the lower end of the liquid level meter nozzle 201 are fixedly connected in a coaxial sealing manner through a flange set 7. Specifically, the height of the purge tube 1 is 300mm (millimeter), and the purge tube 1 and the liquid level meter nozzle 201 are welded into a whole through the flange group 7.
As shown in fig. 1, in a preferred embodiment of the present application, the flange set 7 comprises an upper flange 71 disposed at the lower end of the purge pipe 1 and a lower flange 72 disposed at the upper end of the liquid level gauge nozzle 201, wherein the upper flange 71 is adapted to the lower flange 72 and fixedly connected thereto by means of fasteners or welding.
Wherein, the upper flange 71 is welded with the lower end of the purging pipe 1 into a whole, and the lower flange 72 is welded with the upper end of the liquid level meter pipe orifice 201 into a whole.
In a preferred embodiment of the present application, a one-way valve 8 is mounted on the air supply duct 5 at the inlet end of the pneumatic doubler 6, as shown in fig. 1. Specifically, the air source conveying pipe 5 can be opened by opening the check valve 8, and the instrument air pipeline 4 is conveyed into the inclined pipe 2 through the air source conveying pipe 5 and finally acts on the surface of the laser level indicator 3, so that the purpose of purging powder on the surface of the laser level indicator 3 is achieved.
It should be noted that the structure and operation of the pneumatic two-piece component 6 are well known to those skilled in the art, and will not be described in detail herein for the sake of brevity.
In a preferred embodiment of the present application, as shown in fig. 1, the first end of the inclined tube 2 is welded integrally with the edge of the through-hole.
In another preferred embodiment of the present application, the second ends of the gas source conveying pipes 5 are respectively communicated with the second ends of the corresponding inclined pipes 2 through multi-way valves.
In conclusion, when powder (polyvinyl chloride) is conveyed into the storage bin 200, after the air source conveying pipe 5 is started, the instrument air pipeline 4 is conveyed into the purging pipe 1 through the air source conveying pipe 5 and the inclined pipe 2, so that the purpose that the instrument air pipeline 4 directly purges the surface of the laser level indicator 3 is achieved, and the powder is prevented from being accumulated on the surface of the laser level indicator 3, so that the measurement precision of the laser level indicator 3 is influenced.
In addition, the blowing mode of the air conditioner saves the situation of high-altitude operation, and greatly improves the safety.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a laser charge level indicator sweeps device, sets up on the level gauge mouth of pipe of feed bin upper end, its characterized in that includes:
the purging pipe is coaxially and hermetically connected with the pipe orifice of the liquid level meter, and a through hole is formed in the pipe wall of the purging pipe;
the first end of the inclined pipe is tightly embedded in the through hole;
the laser material level meter is arranged on the upper end face of the purging pipe;
an instrument wind line; and
the first end of the air source conveying pipe is connected with the instrument air pipeline, the second end of the air source conveying pipe is communicated with the second end of the inclined pipe, and a first acute angle is formed between the central axis of the inclined pipe and the central axis of the purging pipe.
2. The laser level gauge purging device of claim 1, wherein the first acute angle is greater than 0 degrees and less than 80 degrees.
3. The laser level gauge purging device according to claim 2, wherein the first acute angle is equal to or greater than 30 degrees and equal to or less than 60 degrees.
4. The laser level gauge purging device of claim 1, wherein a pneumatic doubler is mounted on the gas supply delivery tube.
5. The purging device for the laser level indicator according to claim 1, wherein at least two through holes are formed in the wall of the purging pipe at intervals along the circumferential direction, the number of the inclined pipes is equal to that of the through holes, and the first end of each inclined pipe is embedded in the corresponding through hole.
6. The laser level gauge purging device as claimed in claim 1, wherein the upper end of the purging pipe is coaxially, hermetically and fixedly connected with the lower end of the pipe orifice of the level gauge through a flange set.
7. The laser level gauge purging device according to claim 6, wherein the flange set comprises an upper flange arranged at the lower end of the purging pipe and a lower flange arranged at the upper end of the liquid level gauge pipe orifice, wherein the upper flange is matched with the lower flange and fixedly connected with the lower flange through a fastener or a welding manner.
8. The laser level gauge purging device as claimed in claim 4, wherein a one-way valve is mounted on the gas source delivery pipe at an inlet end of the pneumatic duplex.
9. The laser level gauge purging device of claim 1, wherein the first end of the angled tube is welded integrally to an edge of the through hole.
10. The laser level gauge purging device as claimed in claim 1, wherein the second ends of the gas source conveying pipes are respectively communicated with the second ends of the corresponding inclined pipes through multi-way valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020328706.1U CN212093534U (en) | 2020-03-16 | 2020-03-16 | Laser charge level indicator sweeps device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020328706.1U CN212093534U (en) | 2020-03-16 | 2020-03-16 | Laser charge level indicator sweeps device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212093534U true CN212093534U (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020328706.1U Active CN212093534U (en) | 2020-03-16 | 2020-03-16 | Laser charge level indicator sweeps device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212093534U (en) |
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2020
- 2020-03-16 CN CN202020328706.1U patent/CN212093534U/en active Active
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