CN209945493U - Liquid level barrel structure for maintaining liquid level stable - Google Patents
Liquid level barrel structure for maintaining liquid level stable Download PDFInfo
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- CN209945493U CN209945493U CN201921102474.1U CN201921102474U CN209945493U CN 209945493 U CN209945493 U CN 209945493U CN 201921102474 U CN201921102474 U CN 201921102474U CN 209945493 U CN209945493 U CN 209945493U
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Abstract
The utility model discloses a maintain steady liquid level barrel structure of liquid level, include and a vapour, the liquid level section of thick bamboo that the coexistent boiler inner bag of liquid is linked together, install the liquid level probe on the liquid level section of thick bamboo, transparent observation window has been seted up along liquid level section of thick bamboo outer wall, liquid level section of thick bamboo lower extreme has the drain, the liquid level section of thick bamboo on, the lower extreme respectively with last communicating pipe, lower communicating pipe is linked together, go up the vapour side on communicating pipe intercommunication boiler inner bag upper portion, the liquid side of communicating pipe intercommunication boiler inner bag lower part down, go up and be connected with a vapour-liquid balance pipe down between communicating pipe, in operation, the liquid level section of thick bamboo has the same liquid level with vapour-liquid balance pipe, the bubble in the communicating pipe is discharged through vapour-liquid balance pipe down, detect. The utility model discloses can conveniently read the water level in the liquid level section of thick bamboo during the use to avoided the boiler inner bag return water to cause liquid level interference in the liquid level section of thick bamboo, thereby avoided the inaccurate wrong operation that causes of monitoring.
Description
Technical Field
The utility model relates to a boiler equipment field especially relates to a maintain a steady liquid level section of thick bamboo structure of liquid level among the boiler plant.
Background
As the auxiliary device of the steam generator, the liquid level barrel is often used for monitoring the liquid level position in the liquid level barrel in real time, the liquid level barrel is communicated with the inner container of the steam generator, the liquid level in the liquid level barrel is level with the inner container through the principle of the communicating vessel so as to represent the liquid level position of the inner container, and an operator judges whether water is required to be supplemented according to the height of the liquid level.
Steam generator exempts from to examine the volume below 30L, so its inner bag is less, the liquid level is nearer for the inner bag gas outlet, therefore, at equipment during operation, the steam generator who adopts conventional structure carries out the in-process of moisturizing to the inner bag, the moisturizing can preferentially get into the inner bag, liquid level section of thick bamboo water level can lagged the entering, lead to final actual supplementary water level to be higher than the requirement water level, it flows back to liquid level section of thick bamboo more easily because the water level that the boiling splashes when actual water level is too high, and the steam bubble that the inner bag produced and the boiling water at top also can the return water reach liquid level section of thick bamboo in, the liquid level in the liquid level section of thick bamboo receives the interference, cause the liquid level undulant result with the influence detection, produce wrong liquid level signal, make.
In addition, after the steam generator runs for a long time, water in the steam generator usually has impurities, precipitates, scales and the like, and is very easy to attach to the inner wall of the liquid level cylinder, so that the liquid level is not clear and is not easy to wash after pollution is generated, clear observation cannot be guaranteed in the using process, and the observation quality is influenced.
In order to avoid the fluctuation of the liquid level caused by backwater and bubbling in the liquid level cylinder and to improve the observability, those skilled in the art have been dedicated to develop a liquid level cylinder structure for maintaining the liquid level stable to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that because the liquid level is unstable in the liquid level section of thick bamboo that the return water caused to and the unclear problem is observed to the liquid level.
In order to realize the above-mentioned purpose, the utility model provides a maintain steady liquid level barrel structure of liquid level, include with a vapour, the liquid level section of thick bamboo that the coexistent boiler inner bag of liquid is linked together, wherein, install the liquid level probe on the liquid level section of thick bamboo, transparent observation window has been seted up along liquid level section of thick bamboo outer wall, liquid level section of thick bamboo lower extreme has the drain, on the liquid level section of thick bamboo, the lower extreme is linked together with last communicating pipe respectively, lower communicating pipe is linked together, go up the steam side on communicating pipe intercommunication boiler inner bag upper portion, lower communicating pipe intercommunication boiler inner bag lower part liquid side, go up and be connected with a vapour-liquid balance pipe between communicating pipe and the lower communicating pipe, in operation, the liquid level section of thick bamboo has the same liquid level with vapour-liquid balance pipe, the bubble in lower communicating pipe is.
Furthermore, a drain pipe is arranged at the lower end of the liquid level cylinder, and a drain valve is arranged on the drain pipe.
Furthermore, an observation window of the liquid level cylinder is provided with a scale value.
In a preferred embodiment of the present invention, the liquid level cylinder is provided with a magnetic float inside, the outer wall of the liquid level cylinder is fixedly provided with a hollow conduit, the hollow conduit is provided with a pointer moving synchronously with the magnetic float, and the end of the pointer points to the observation window of the liquid level cylinder.
Further, the magnetic floater comprises a floating ball and a magnet, the magnet is embedded in the middle of the floating ball, and the magnet is flush with the horizontal plane when the magnetic floater in the liquid level barrel floats on the water surface.
Furthermore, a nonmagnetic sliding rod is fixedly arranged in the liquid level barrel along the vertical direction at a distance from the liquid level probe, and the magnetic floater is arranged on the sliding rod in a sliding manner.
Furthermore, the hollow conduit has no magnetism and has a transparent outer wall, and the hollow conduit and the slide rod are arranged in parallel.
Further, the inside of the hollow conduit is vacuum, and the inner wall surface of the hollow conduit is kept smooth.
Through the utility model discloses a liquid level section of thick bamboo structure can realize following technological effect:
(1) the steam-liquid balance pipe can prevent the interference of the liquid level in the liquid level cylinder caused by the backwater of the boiler inner container, and avoid the false operation caused by inaccurate liquid level monitoring;
(2) through the motion of the beacon controlled by magnetism, an operator can conveniently read the height of the water surface in the liquid level cylinder, and the problem that the liquid level cylinder is not easy to observe after long-term operation is solved.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
Fig. 1 is a schematic structural view of the liquid level cylinder structure and the boiler liner for maintaining the liquid level stable of the present invention.
Fig. 2 is a schematic view of the internal structure of the liquid level cylinder of the present invention.
In the figure, 1 boiler inner container, 11 inner container water replenishing pipe, 12 steam outlet pipe, 2 liquid level barrel, 21 upper communicating pipe, 22 lower communicating pipe, 23 steam-liquid balance pipe, 24 hollow conduit, 25 direction mark, 3 liquid level probe, 4 observation window, 5 sewage outlet, 51 sewage outlet pipe, 52 sewage outlet valve, 6 magnetic floater, 61 floating ball, 62 magnet and 63 slide bar.
Detailed Description
Fig. 1 is a schematic view of a connection structure of a liquid level cylinder and a boiler inner container disclosed in the present invention. The boiler liner 1 has coexisting vapor and liquid, and the liquid level cylinder 2 is communicated with the boiler liner 1. The upper end and the lower end of the liquid level barrel 2 are respectively communicated with an upper communicating pipe 21 and a lower communicating pipe 22, the upper communicating pipe 21 is communicated with the steam side at the upper part of the boiler liner 1, the lower communicating pipe 22 is communicated with the liquid side at the lower part of the boiler liner 1, a steam-liquid balance pipe 23 is connected between the upper communicating pipe 21 and the lower communicating pipe 22, when the liquid level barrel 2 and the steam-liquid balance pipe 23 have the same liquid level based on the principle of a communicating vessel, and bubbles in the lower communicating pipe 22 are discharged through the steam-liquid balance pipe 23. The liquid level cylinder 2 is provided with a liquid level probe 3 which adopts the prior common technology and is not described in detail herein. The lower end of the boiler liner 1 is connected with a liner water replenishing pipe 11, the upper end of the boiler liner is connected with a steam outlet pipe 12, the liner water replenishing pipe 11 is also communicated with a lower communicating pipe 22, and the steam outlet pipe 12 and an upper communicating pipe 21 are communicated with the steam side of the upper part of the boiler liner 1 together. When the device works, the boiler liner serves as a pressure generation source, when water is supplemented through the liner water supplementing pipe, water can preferentially enter the liquid level barrel, the problem that water supplementing is stopped only when the actual liquid level of the liner is higher than a required liquid level due to the fact that water is preferentially added into the liner in the conventional structure of the existing device is solved, meanwhile, steam bubbles are generated in the liner, boiling water backwater on the top gas side can be preferentially released through a steam-liquid balance pipe pipeline when the boiling water backwater reaches the steam-liquid balance pipe, and the boiling water cannot enter the liquid level barrel to interfere with the normal liquid level in the steam-liquid balance pipe so as to avoid liquid; specifically, when the bubbles enter the vapor-liquid balance pipe from the lower communicating pipe, the bubbles are discharged upwards, and when the boiling water flows into the vapor-liquid balance pipe from the top through the upper communicating pipe, the water is discharged downwards before the water is extracted.
Offer transparent observation window 4 along the liquid level section of thick bamboo 2 outer wall, preferably, be equipped with the scale interval on the observation window 4, can observe the condition of inside water level line from observation window 4 outside to read the specific height value of water level line through the scale interval.
The lower end of the liquid level barrel 2 is provided with a sewage draining outlet 5 which comprises a sewage draining pipe 51, and a sewage draining valve 52 is preferably arranged on the sewage draining pipe 51. The blowoff valve 52 is normally closed during normal operation, and when the operation is continued for a certain period of time or when the operation is cleaned, the blowoff valve 52 is opened to discharge the waste liquid in the liquid level barrel 2 from the drain opening 5.
In a preferred embodiment of the present invention, the magnetic float 6 is disposed inside the liquid level cylinder 2, as shown in fig. 2, the magnetic float 6 does not generate an adsorption force with the liquid level cylinder 2, so that the magnetic float 6 can float up and down along with the buoyancy of water in the liquid level cylinder 2, the magnetic float 6 includes a floating ball 61 and a magnet 62, the magnet 62 is embedded in the middle of the floating ball 61, and the magnet 62 is flush with the horizontal plane when the magnetic float 6 in the liquid level cylinder 2 floats on the water surface.
The outer wall of the liquid level barrel 2 is fixedly provided with a hollow guide pipe 24, the hollow guide pipe 24 has no magnetism and has a transparent outer wall, a pointer 25 moving synchronously with the magnetic floater 6 is arranged in the hollow guide pipe 24, and the end part of the pointer 25 points to the observation window 4 of the liquid level barrel 2. In order to improve the stability of the magnetic floater 6 during lifting, a non-magnetic slide bar 63 is fixedly arranged in the liquid level barrel 2 along the vertical direction at a distance from the liquid level probe 3, and the magnetic floater 6 is arranged on the slide bar 63 in a sliding manner. The hollow conduit 24 is arranged in parallel with the sliding rod 63 so that the distance of the magnetic float 6 from the pointer 25 can be kept constant and the magnetic attraction force therebetween is kept constant.
The hollow conduit 24 is vacuum-filled, and the inner wall surface of the hollow conduit 24 is kept smooth, so that the air resistance in the hollow conduit 24 when the pointer 25 moves is reduced, and the pointer 25 is made of light material, such as plastic mixed with magnetic powder, so that the influence of the gravity of the pointer 25 on the movement of the pointer can be reduced.
According to the structure, when the liquid level barrel operates, the magnetic floater floats on the water surface in the liquid level barrel, the magnet in the floater is level with the water surface, the indicating mark is attracted by the magnet, the horizontal position of the indicating mark corresponds to the position of the water surface and points to the scale on the observation window, and an operator can conveniently and directly read the indicating mark without observing the water surface.
In order to prevent the water body from corroding and keep the magnetic floater in the liquid level cylinder to work normally, the liquid level cylinder is made of a material without magnetic attraction, such as stainless steel or copper, and stainless steel is preferred. In addition, because the liquid level barrel is also provided with a liquid level probe, the position of the probe also needs to avoid the motion track of the magnetic floater and is separated from the magnetic floater in the vertical direction, and optionally, a clapboard is additionally arranged between the liquid level barrel and the magnetic floater.
The liquid level barrel of the utility model has simple structural design, can prevent the interference of the liquid level in the liquid level barrel caused by the backwater of the boiler liner through the vapor-liquid balance pipe, and avoid the incorrect operation caused by inaccurate liquid level monitoring; through the motion of the beacon controlled by magnetism, an operator can conveniently read the height of the water surface in the liquid level cylinder, and the problem that the liquid level cylinder is not easy to observe after long-term operation is solved.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. The utility model provides a maintain steady liquid level section of thick bamboo structure of liquid level, include with a vapour, the liquid level section of thick bamboo that the coexistent boiler inner bag of liquid is linked together, a serial communication port, install the liquid level probe on the liquid level section of thick bamboo, transparent observation window has been seted up along liquid level section of thick bamboo outer wall, liquid level section of thick bamboo lower extreme has the drain, the upper and lower extreme of liquid level section of thick bamboo respectively with last communicating pipe, lower communicating pipe is linked together, go up the vapour side on communicating pipe intercommunication boiler inner bag upper portion, lower communicating pipe intercommunication boiler inner bag lower part liquid side, go up and be connected with a vapour-liquid balance pipe between communicating pipe down, in operation, the liquid level section of thick bamboo has the same liquid level with vapour-liquid balance pipe, the bubble in lower communicating pipe is discharged through vapour.
2. The liquid level barrel structure for maintaining the liquid level stably as claimed in claim 1, wherein a drain pipe is provided at the lower end of the liquid level barrel, and a drain valve is installed on the drain pipe.
3. The liquid level barrel structure for maintaining the liquid level smoothly as claimed in claim 1, wherein the observation window of the liquid level barrel is provided with scale values.
4. The liquid level barrel structure for maintaining the liquid level stably according to claim 1 or 3, wherein a magnetic float is arranged inside the liquid level barrel, a hollow conduit is fixedly arranged on the outer wall of the liquid level barrel, a direction indicator synchronously moving along with the magnetic float is arranged in the hollow conduit, and the end of the direction indicator points to the observation window of the liquid level barrel.
5. The liquid level barrel structure for maintaining the liquid level stably according to claim 4, wherein the magnetic floater comprises a floating ball and a magnet, the magnet is embedded in the middle of the floating ball, and the magnet is flush with the horizontal plane when the magnetic floater in the liquid level barrel floats on the water surface.
6. The structure of claim 4, wherein a non-magnetic sliding rod is fixed in the liquid level cylinder in a vertical direction and spaced from the liquid level probe, and the magnetic float is slidably disposed on the sliding rod.
7. The fluid level barrel structure for maintaining fluid level stable as claimed in claim 6, wherein the hollow conduit has no magnetism and has a transparent outer wall, and the hollow conduit is disposed in parallel with the sliding rod.
8. The fluid level barrel structure for maintaining fluid level smoothly as set forth in claim 7, wherein the interior of the hollow conduit is vacuum and the inner wall surface of the hollow conduit is kept smooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921102474.1U CN209945493U (en) | 2019-07-15 | 2019-07-15 | Liquid level barrel structure for maintaining liquid level stable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921102474.1U CN209945493U (en) | 2019-07-15 | 2019-07-15 | Liquid level barrel structure for maintaining liquid level stable |
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| CN209945493U true CN209945493U (en) | 2020-01-14 |
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| CN201921102474.1U Active CN209945493U (en) | 2019-07-15 | 2019-07-15 | Liquid level barrel structure for maintaining liquid level stable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112684678A (en) * | 2020-12-23 | 2021-04-20 | 江苏省高淳印刷股份有限公司 | Developing mechanism of plate developing machine |
| CN113776626A (en) * | 2021-08-13 | 2021-12-10 | 杭州海芯达科技有限公司 | Anti-fluctuation liquid level measuring device |
-
2019
- 2019-07-15 CN CN201921102474.1U patent/CN209945493U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112684678A (en) * | 2020-12-23 | 2021-04-20 | 江苏省高淳印刷股份有限公司 | Developing mechanism of plate developing machine |
| CN113776626A (en) * | 2021-08-13 | 2021-12-10 | 杭州海芯达科技有限公司 | Anti-fluctuation liquid level measuring device |
| CN113776626B (en) * | 2021-08-13 | 2023-10-20 | 杭州海芯达科技有限公司 | Anti-fluctuation liquid level measuring device |
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