CN202648757U - Built-in magnetic liquidometer - Google Patents
Built-in magnetic liquidometer Download PDFInfo
- Publication number
- CN202648757U CN202648757U CN 201220335942 CN201220335942U CN202648757U CN 202648757 U CN202648757 U CN 202648757U CN 201220335942 CN201220335942 CN 201220335942 CN 201220335942 U CN201220335942 U CN 201220335942U CN 202648757 U CN202648757 U CN 202648757U
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- Prior art keywords
- container
- mangneto
- magnetic part
- built
- transmitter
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- Withdrawn - After Issue
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Abstract
The utility model discloses a built-in magnetic liquidometer which is characterized in that a floater arranged in an actual liquid level in a container can directly measure the water level in the container, the built-in magnetic liquidometer is a primary meter for measuring the water level in the container, and measurement results are accurate and reliable; a magnetic component driven by the floater is installed in a low-temperature tube under an upper barrel to reduce the high-temperature demagnetization, thereby enhancing the reliability of the measuring device; a transmission mechanism is connected in a sleeving mode, thereby being convenient to overhaul; and a corresponding density compensation calculation formula is utilized to compensate the measurement result, thereby reducing the measurement error and enhancing the measurement accuracy.
Description
Technical field
The utility model relates to a kind of in-built mangneto liquid level gauge, is the high temperature and high pressure containers level measurement device.Belong to the commercial measurement technical field.
Background technology
Existing be applied in the high temperature and high pressure containers level measuring the magnetic liquid indicator mounted in steam drum structure as shown in Figure 1;, by container (1); float (2); connecting link (3); top thrust spring (4); cylindrical shell (5); magnetic part (6); waveguide (7); mangneto transmitter (8); container pressure measurement instrument pipe (9); container pressure transmitter (10); protection sleeve (11); mounting bracket (12); bottom thrust spring (13); cable 1 (14); cable 2 (15); the compositions such as secondary instrument (16).Cylindrical shell (5) is welded on container (1) top and is communicated with container (1); Protection sleeve (11) is fixedly mounted in the container (1) by mounting bracket; Float (2) is arranged in the interior protection sleeve (11) of container (1), directly the water in the contacting container (1); Float (2) is connected 5 by connecting link (3) with cylindrical shell) interior magnetic part (6) connection; Waveguide (7) places the outer mangneto transmitter (8) that is connected to of cylindrical shell (5); Secondary instrument (16) is connected with mangneto transmitter (8), container pressure transmitter (10) by cable 1 (14), cable 2 (15).Float (2) drives magnetic part (6) and fluctuates with water-level fluctuation, by the position of waveguide (7) induced magnetism parts (6); Because the density of the interior water of container (1) is different under the different operating modes, the volume that float (2) is suspended in the water is different, and the container pressure that the height value of the magnetic part (6) that therefore mangneto transmitter (8) is recorded is measured according to container pressure transmitter (10) carries out density compensation and calculates and can draw container (1) actual water place value.Its shortcoming is: magnetic part (6) is placed under the hot conditions, high temperature erasing characteristics to magnetic part requires extremely strict, easy demagnetization when common magnetic part (6) is worked under hot conditions, in case magnetic part (6) demagnetization, then whole measuring system loses the effect of measuring water level fully, even select high temperature resistant magnet, its high-temperature stability also can lose its magnetic field intensity, affect the measuring accuracy of waveguide (7) and be prone to the interrupted of measuring-signal, have great potential safety hazard; Configuration design is undesirable, maintenance is inconvenient, when especially overhauling magnetic part (6), need open container (1) population door (this work can only just allow when the stoppage in transit overhaul) could overhaul, connecting link (3) between float (2) and the magnetic part (6) is long and do not have a middle transition, maintenance is extremely inconvenient, may cause and can't overhaul if realize the words of wide range.
Summary of the invention
The shortcoming that exists in order to overcome existing liquid level gauge, the purpose of this utility model provide a kind of can be applicable to magnetic part to be positioned in the water at low temperature reduce the in-built mangneto liquid level gauge magnetic part performance requirement, that be easy to overhaul.
The utility model is achieved through the following technical solutions: a kind of in-built mangneto liquid level gauge, be comprised of container, float, connecting link, cylindrical shell, magnetic part, waveguide, mangneto transmitter, container pressure measurement instrument pipe, container pressure transmitter, protection sleeve, mounting bracket, cable 1, cable 2, secondary instrument, upper shell, cryotron, cross bar, upper connecting rod, counterweight, guide pipe, guide pipe clip, suspension rod, blowoff valve, jointing, sleeve pipe, heat-insulation layer etc., it is characterized in that: protection sleeve is fixedly mounted in the container by mounting bracket; Float places in the protection sleeve; Be welded with connecting link on the float; Connecting link is connected with upper connecting rod by sleeve pipe; Three holes are arranged at the upper shell bottom, the hole on both sides connects respectively right two cryotrons of a first from left, interstitial hole connects the cylindrical shell that is connected with container connection welding or flange, the connected mode of upper shell and cryotron, cylindrical shell has two kinds, the one, welding manner connects, and the 2nd, use the mode of jointing to connect; The cylindrical shell upper inner is welded with the guide pipe clip that blocks guide pipe; Cross bar places upper shell to be connected with upper connecting rod, suspension rod, two suspension rod belows are connected with respectively magnetic part and counterweight, and upper connecting rod is passed from the upper shell interstitial hole, right two suspension rods of one the first from left are passed from the hole on upper shell both sides, its middle hanger can adopt the non-magnetic alloy steel tinsel of stainless steel or high strength to make, and wherein counterweight can adopt with magnetic part with volume with the material of weight or directly adopt magnetic part to make; When driving cross bar and move up and down in upper shell by connecting link and upper connecting rod under the buoyancy of water effect of float in container, cross bar will drive suspension rod and move up and down in cryotron like this; Waveguide is fixed on the inside cryotron outer wall that parts move up and down that is magnetic and is used for the height value of induced magnetism parts, and is connected to the mangneto transmitter; The container pressure transmitter is connected to the pressure that is used for measuring vessel on the container by container pressure measurement instrument pipe; Secondary instrument is connected with mangneto transmitter, container pressure transmitter by cable 1, cable 2; Heat-insulation layer is used for reducing cylindrical shell to the radiation heat of cryotron, guarantees that the water in the cryotron is in the lower state of temperature.
The beneficial effects of the utility model are: liquid level gauge normally puts into operation in the process, the blowoff valve of cryotron below cuts out for a long time, just when the liquid level gauge blowdown, open and carry out blowdown, become water at low temperature behind the water-cooled that is got off by condensation in the upper shell in the cryotron like this, magnetic part is placed in the cryotron, reduce the impact on the demagnetization of magnetic part high temperature, improved the reliability of measuring; Waveguide is fixed on the cryotron outer wall, has reduced the operating ambient temperature of waveguide, has guaranteed the serviceable life of sensor-based system; With skew about wear-resistant ceramic material or stainless steel material making guide pipe restriction upper connecting rod, prevent bite, and make up and down smooth and easy action of connecting link, make measurement timely reliable; Counterweight and magnetic part weight and volume are in full accord, and counterweight also can directly adopt magnetic part, and the balance about effectively guaranteeing prevents bite, make and measure in time reliably; Suspension rod can adopt stainless steel or high duty metal silk to make, if use tinsel can reduce the weight of running part, reduces the requirement that float is provided buoyancy; Upper connecting rod is connected sleeve pipe to connect with connecting link, be easy to the convenient disassembly repair and maintenance; Cryotron, cylindrical shell can adopt the mode of jointing to be connected with the upper shell connected mode, maintenance magnetic part for convenience detach.
Description of drawings
Fig. 1: existing magnetic liquid indicator mounted in steam drum structural representation.
Fig. 2: structural representation of the present utility model.
Among the figure: 1 drum; 2 floats; 3 connecting links; 4 top thrust springs; 5 cylindrical shells; 6 magnetic parts; 7 waveguides; 8 mangneto transmitters; 9 container pressure measurement instrument pipes; 10 container pressure transmitters; 11 protection sleeves; 12 mounting brackets; 13 bottom thrust springs; 14 cables 1; 15 cables 2; 16 secondary instruments; 17 upper shells; 18 cryotrons; 19 cross bars; 20 upper connecting rods; 21 counterweights; 22 guide pipes; 23 guide pipe clips; 24 suspension rods; 25 blowoff valves; 26 jointings; 27 sleeve pipes; 28 heat-insulation layers.
Embodiment
As shown in Figure 2, protection sleeve (11) is fixedly mounted in the container (1) by mounting bracket (12); Float (2) places in the protection sleeve (11); Be welded with connecting link (3) on the float (2); Connecting link (3) is connected with upper connecting rod (20) by sleeve pipe (27); Three holes are arranged at upper shell (17) bottom, the hole on both sides connects respectively right two cryotrons (18) of a first from left, interstitial hole connects the cylindrical shell (5) that is connected with container (1) connection welding or flange, connected mode has two kinds, the one, connect according to the welding manner of left side cryotron (18) among the figure, the 2nd, use the mode of jointing (26) to connect according to the right cryotron (18); Cylindrical shell (5) upper inner is welded with the guide pipe clip (23) that blocks guide pipe (22); Cross bar (19) places upper shell (17) and upper connecting rod (20), the below is connected with respectively magnetic part (6) and is connected 21 with counterweight) right two suspension rods of a first from left (24) connection, and upper connecting rod (20) is passed from upper shell (17) interstitial hole, right two suspension rods of one the first from left (24) are passed from the hole on upper shell (17) both sides, its middle hanger (24) can adopt the non-magnetic alloy steel tinsel of stainless steel or high strength to make, wherein counterweight (21) can adopt and magnetic part (6) with volume with the material of weight or directly adopt magnetic part (6) to make; When driving cross bar (19) and move up and down in upper shell (17) by connecting link (3) and upper connecting rod (20) under the buoyancy of water effect of float (2) in container (1), cross bar (19) will drive suspension rod (24) and move up and down in cryotron (18) like this; Waveguide (7) is fixed on inside cryotron (18) outer wall that parts (6) move up and down that is magnetic and is used for the height value H of induced magnetism parts (6), and is connected to mangneto transmitter (8); Container pressure transmitter (10) is connected to the upper pressure that is used for measuring vessel (1) of container (1) by container pressure measurement instrument pipe (9); Secondary instrument (16) is connected with mangneto transmitter (8), container pressure transmitter (10) by cable 1 (14), cable 2 (15); Heat-insulation layer (28) is used for reducing cylindrical shell (5) to the radiation heat of cryotron (18), guarantees that the water in the cryotron (18) is in the lower state of temperature.Because the density of the interior stove water of container (1) is different under the different operating modes, the volume that float is suspended in the water is different, and magnetic part (6) the height value H that therefore mangneto transmitter (8) is recorded carries out pressure compensation and can be calculated container (1) water level value and can further improve measuring accuracy:
h＝f(P)×H
Wherein:---P is container (1) pressure;
---f (P) is the single-valued function of container (1) pressure;
---H is magnetic part (6) height value that mangneto transmitter (8) records;
---h is container (1) water level value after pressure compensation calculates.
Claims (5)
1. in-built mangneto liquid level gauge, by container (1), float (2), connecting link (3), cylindrical shell (5), magnetic part (6), waveguide (7), mangneto transmitter (8), container pressure measurement instrument pipe (9), container pressure transmitter (10), protection sleeve (11), mounting bracket (12), cable 1 (14), cable 2 (15), secondary instrument (16), upper shell (17), cryotron (18), cross bar (19), upper connecting rod (20), counterweight (21), guide pipe (22), guide pipe clip (23), suspension rod (24), blowoff valve (25), jointing (26), sleeve pipe (27), the compositions such as heat-insulation layer (28), protection sleeve (11) is fixedly mounted in the container (1) by mounting bracket (12); Float (2) places in the protection sleeve (11); Driving magnetic part (6) by connecting link (3) under the buoyancy of water effect of float (2) in container (1) moves up and down; Waveguide (7) is fixed on inside cryotron (18) outer wall that parts (6) move up and down that is magnetic and is used for the height value H of induced magnetism parts (6), and is connected to mangneto transmitter (8); Container pressure transmitter (10) is connected to the upper pressure that is used for measuring vessel (1) of container (1) by container pressure measurement instrument pipe (9); Secondary instrument (16) is connected with mangneto transmitter (8), container pressure transmitter (10) by cable 1 (14), cable 2 (15); It is characterized in that: connecting link (3) is that connecting link (3) is connected with upper connecting rod (20) by sleeve pipe (27) with the connected mode of magnetic part (6); Upper shell (17) bottom has three holes, the hole on both sides to connect respectively right two cryotrons (18) of a first from left, and interstitial hole connects the cylindrical shell (5) that is communicated with welding with container (1); Cylindrical shell (5) upper inner is welded with the guide pipe clip (23) that blocks guide pipe (22); Cross bar (19) places upper shell (17) to be connected with upper connecting rod (20), suspension rod (24), two suspension rods (24) below is connected with respectively magnetic part (6) and counterweight (21), and upper connecting rod (20) is passed from upper shell (17) interstitial hole, right two suspension rods of a first from left (24) are passed from the hole on upper shell (17) both sides.
2. described a kind of in-built mangneto liquid level gauge according to claim 1 is characterized in that the mode that cylindrical shell (5) can also adopt flange to connect links to each other with container (1).
3. described a kind of in-built mangneto liquid level gauge according to claim 1, it is characterized in that upper shell (17) and the connected mode of cylindrical shell (5), cryotron (18) have two kinds, the one, welding manner, the 2nd, use the mode maintenance for convenience detach of jointing (26).
4. described a kind of in-built mangneto liquid level gauge according to claim 1 is characterized in that suspension rod (24) can adopt stainless steel or the non-magnetic alloy steel tinsel of high strength to make,
5. described a kind of in-built mangneto liquid level gauge according to claim 1, it is characterized in that counterweight (21) can adopt and magnetic part (6) with volume with the material of weight or directly adopt magnetic part (6) to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220335942 CN202648757U (en) | 2012-07-05 | 2012-07-05 | Built-in magnetic liquidometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220335942 CN202648757U (en) | 2012-07-05 | 2012-07-05 | Built-in magnetic liquidometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202648757U true CN202648757U (en) | 2013-01-02 |
Family
ID=47417852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220335942 Withdrawn - After Issue CN202648757U (en) | 2012-07-05 | 2012-07-05 | Built-in magnetic liquidometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202648757U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749126A (en) * | 2012-07-05 | 2012-10-24 | 秦皇岛华电测控设备有限公司 | Built-in magnetic liquidometer |
-
2012
- 2012-07-05 CN CN 201220335942 patent/CN202648757U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749126A (en) * | 2012-07-05 | 2012-10-24 | 秦皇岛华电测控设备有限公司 | Built-in magnetic liquidometer |
| CN102749126B (en) * | 2012-07-05 | 2016-08-17 | 秦皇岛华电测控设备有限公司 | Built-in magnetic liquidometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130102 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |