CN113091849A - Water level electrode sensor and steam generation equipment - Google Patents
Water level electrode sensor and steam generation equipment Download PDFInfo
- Publication number
- CN113091849A CN113091849A CN202110486992.3A CN202110486992A CN113091849A CN 113091849 A CN113091849 A CN 113091849A CN 202110486992 A CN202110486992 A CN 202110486992A CN 113091849 A CN113091849 A CN 113091849A
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- Prior art keywords
- water level
- electrode
- level electrode
- self
- cleaning
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 135
- 238000004140 cleaning Methods 0.000 claims abstract description 66
- 238000002955 isolation Methods 0.000 claims description 18
- 238000000926 separation method Methods 0.000 claims description 2
- 230000001788 irregular Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 14
- 239000004033 plastic Substances 0.000 description 10
- 229920003023 plastic Polymers 0.000 description 10
- 238000009434 installation Methods 0.000 description 9
- 239000010935 stainless steel Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 239000004519 grease Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/106—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by boiling the liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/78—Adaptations or mounting of level indicators
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
本发明提供一种水位电极传感器及蒸汽发生设备，水位电极传感器包括：固定法兰；至少一个水位电极；所述至少一个水位电极分别与所述固定法兰固定连接；所述至少一个水位电极与水接触的一端安装有自洁卡片。本发明的方案可以实现水位电极传感器在自洁卡片的晃动下保持清净的效果。
The invention provides a water level electrode sensor and steam generating equipment. The water level electrode sensor comprises: a fixed flange; at least one water level electrode; the at least one water level electrode is respectively fixedly connected with the fixed flange; A self-cleaning card is installed on the end that is in contact with the water. The solution of the present invention can realize the effect of keeping the water level electrode sensor clean under the shaking of the self-cleaning card.
Description
Technical Field
The invention relates to the technical field of water level detection, in particular to a water level electrode sensor and steam generation equipment.
Background
Water level detection sensor is needed to be used in the field of steam generation equipment, especially steam box boilers, and adverse effect caused by dry burning of heating equipment when the water level is lower than the safe height is prevented. The water level detection technology commonly used in the market at present has two technical schemes of detecting the water level height by a pressure sensor and detecting a water level electrode. However, the pressure sensor is easy to trigger by mistake in boiling high-temperature water; the common water level electrode sensor has the problem of easy accumulation of scale or failure after contacting grease.
Disclosure of Invention
The invention aims to provide a water level electrode sensor and steam generation equipment. The effect that the water level electrode sensor keeps clean under the shaking of the self-cleaning card can be realized.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a water level electrode sensor comprising:
a fixed flange;
at least one water level electrode;
the at least one water level electrode is respectively and fixedly connected with the fixed flange;
and a self-cleaning card is arranged at one end of the at least one water level electrode, which is contacted with water.
Optionally, the water level electrode includes: the electrode rod, the first end of electrode rod pass fixed flange's electrode fixed orifices with fixed flange fixed connection, the second end of electrode rod is equipped with the card mounting groove, self-cleaning card install in the mounting groove.
Optionally, a part of the first end in the electrode fixing hole is provided with a drop-proof groove.
Optionally, the part of the first end of the electrode rod, which penetrates out of the fixing flange, is provided with a connecting part for connecting a cable.
Optionally, the outer surface of the electrode rod is wrapped with an isolation tube.
Optionally, the at least one water level electrode includes:
a first water level electrode, a second water level electrode and a third water level electrode;
the length of the electrode rod of the first water level electrode is smaller than that of the electrode rod of the second water level electrode, and the length of the electrode rod of the second water level electrode is smaller than that of the electrode rod of the third water level electrode.
Optionally, the self-cleaning card comprises: the self-cleaning baffle is provided with a notch, a slot and a clamping hole; the notch is communicated with the open slot and the clamping hole; the self-cleaning baffle is clamped into the clamping piece mounting groove of the water level electrode through the notch.
Optionally, the self-cleaning card comprises: the self-cleaning baffle is provided with an eccentric circular hole; the self-cleaning baffle plate penetrates through the eccentric circular hole through a screw to be fixedly connected with the second end of the electrode rod.
Optionally, the shape of the self-cleaning baffle is round, square, long strip or special.
An embodiment of the present invention also provides a steam generating apparatus including the water level sensor as described above.
The scheme of the invention at least comprises the following beneficial effects:
in the scheme of the invention, the self-cleaning card is arranged at the end, which is contacted with water, of the electrode rod of the water level electrode, so that the self-cleaning card frequently shakes when water boils, and scale or grease is shaken by the self-cleaning card and cannot be attached to or fall off from the electrode rod, thereby achieving the self-cleaning effect of the electrode rod.
Drawings
Fig. 1 is a schematic 3D structure diagram of a water level electrode sensor according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a water level electrode according to an embodiment of the present invention;
FIG. 3 is a sectional view showing the structure of a water level electrode sensor according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a slot-type self-cleaning baffle plate according to an embodiment of the invention;
FIG. 5 is a sectional view showing the configuration of an eccentric self-cleaning baffle plate provided in the water level electrode sensor according to the embodiment of the present invention;
FIG. 6 is a schematic structural view of an eccentric round self-cleaning baffle plate according to an embodiment of the invention.
Description of the drawings:
11-a fixed flange; 12-self-cleaning cards; 13-a first water level electrode; 14-a first water level electrode isolation pipe; 15-a second water level electrode; 16-a second water level electrode isolation pipe; 17-a third water level electrode; 18-a third water level electrode isolation pipe; 2-an electrode rod; 21-a water level electrode first end; 22-water level electrode second end; 23-anti-drop groove; 24-a card mounting slot; 25-a connecting part; 4-a clamping groove type self-cleaning baffle plate; 41-opening; 42-slotting; 43-a snap hole; 5-eccentric circle self-cleaning baffle plate; 51-eccentric circular hole; 52-screw.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1, 2, 3, and 4, an embodiment of the present invention provides a water level electrode sensor, including:
a fixed flange 11;
at least one water level electrode;
the at least one water level electrode is respectively and fixedly connected with the fixed flange 11;
and a self-cleaning card 12 is arranged at one end of the at least one water level electrode, which is contacted with water.
In this embodiment, the fixing flange 11 is preferably made of PP or nylon; the at least one water level electrode is mounted on the fixed flange 11; through the one end installation self-cleaning card 12 with water contact at the electrode pole 2 of water level electrode for self-cleaning card 12 often rocks when water boils, so that incrustation scale or grease are rocked by self-cleaning card 12 and can not be attached to electrode pole 2 or drop from electrode pole 2, thereby reach the self-cleaning effect of electrode pole 2.
In an optional embodiment of the present invention, the water level electrode includes: the electrode rod 2, the first end 21 of electrode rod 2 passes fixed flange 11's electrode fixed orifices with fixed flange 11 fixed connection, the second end 22 of electrode rod 2 is equipped with card mounting groove 24, self-cleaning card 12 install in mounting groove 24.
Here, the electrode rod 2 is preferably made of stainless steel, and the material has the characteristics of high strength, high temperature resistance and corrosion resistance, so that the electrode rod 2 can have a longer service life. The connection mode of the electrode rod 2 and the fixed flange 11 is realized through a plastic embedding and injecting process, namely, the electrode rod 2 is embedded and injected into the plastic flange through the plastic embedding and injecting process. The second end 22 of the electrode rod 2 is a submerged end, and the electrode rod 2 detects the change of the water level through the second end 22. The card mounting groove 24 is designed in an annular shape, and the outer diameter of the card mounting groove is smaller than that of the electrode rod 2, so that a mounting space is reserved for the card groove type self-cleaning card 4.
In an alternative embodiment of the present invention, a portion of the first end 21 in the electrode fixing hole is provided with a separation-preventing groove 23.
Here, the provision of the anti-drop groove 23 may serve to achieve a superior sealing and fixing effect when contacting the plastic flange, ensuring that the middle portion of the electrode rod 2 does not contact water.
In an alternative embodiment of the invention, the portion of the first end 21 of the electrode rod 2 extending out of the fixing flange 11 is provided with a connecting portion 25 for connecting a cable. Here, the connection portion 25 is disposed outside the fixing flange 11 to avoid contact with water. The connecting portion 25 can be connected with a cable in various forms such as riveting, welding and clamping.
In an alternative embodiment of the invention, the outer surface of the electrode rod 2 is sleeved with an isolation tube. Here, the isolation tube is preferably made of PTFE or a ceramic material that can withstand a high temperature of 300 ℃. In the aspect of injection molding process, the injection molding can be realized in PP or nylon materials with the injection molding temperature of about 200 ℃. In the embodiment, the isolation pipe is wrapped on the outer side of the electrode rod 2 to play an isolation role, and is embedded and injected into the plastic flange together with the electrode rod 2 through a plastic embedding and injecting process.
As shown in fig. 1 and 3, in an alternative embodiment of the present invention, the at least one water level electrode includes:
a first water level electrode 13, a second water level electrode 15, a third water level electrode 17; the first water level electrode 13, the second water level electrode 15, and the third water level electrode 17 have the same structure, and may include the structure of the electrodes as shown in fig. 2.
The length of the electrode rod of the first water level electrode 13 is less than that of the electrode rod of the second water level electrode 15, and the length of the electrode rod 2 of the second water level electrode 15 is less than that of the electrode rod 2 of the third water level electrode 17.
In this embodiment, the first water level electrode 13 may be used to detect a high water level, the second water level electrode 15 may be used to detect a medium water level, the third water level electrode 17 may be used to detect a low water level, and three water level electrodes are fixedly installed on the fixing flange 11 at intervals. The outer surfaces of the electrode rods of the first water level electrode 13 and the second water level electrode 15 are respectively sleeved with a first water level electrode isolation pipe 14 and a third water level electrode isolation pipe 18, the outer surfaces of the electrode rods of the first water level electrode 14 and the third water level electrode 17 are respectively sleeved with a second water level electrode isolation pipe 16 and a third water level electrode isolation pipe 18, the first water level electrode isolation pipe 14, the second water level electrode isolation pipe 16 and the third water level electrode isolation pipe 18 are preferably made of PTFE or ceramic materials, have an isolation effect, and are embedded and injected into the plastic flange together with the sleeved electrode rods through a plastic embedding and injecting process.
Here, the arrangement of the three water level electrodes of high, medium and low is not unique, the specific number of the water level electrodes is not limited, and the water level electrodes may be one water level electrode or two or more water level electrodes, and the specific arrangement may be reasonably arranged according to actual conditions.
In an alternative embodiment of the invention, as shown in fig. 4, the self-cleaning card comprises: the self-cleaning baffle plate 4 is a clamping groove type self-cleaning baffle plate, and is provided with a notch 41, a slot 42 and a clamping hole 43; the notch 41 is communicated with the open slot 42 and the clamping hole 43; the self-cleaning baffle 4 is clamped into the clamping piece mounting groove 24 of the water level electrode through the notch 41.
In this embodiment, the size of the gap 41 is slightly smaller than the outer diameter of the installation groove, so as to ensure that the self-cleaning baffle 4 does not fall off through interference during installation. The purpose of the design of the slot 42 is to prevent the opening of the notch 41 from generating irreversible plastic deformation during installation, so that the deformation amount is controlled within the elastic deformation range. Here, the inner diameter of the locking hole 43 is 0.5-1 mm larger than the outer diameter of the locking groove 24, and the clearance is to ensure the self-cleaning baffle 4 to move freely and easily relative to the electrode rod 2.
In an alternative embodiment of the present invention, as shown in fig. 5 and 6, the self-cleaning card comprises: the self-cleaning baffle 5 is an eccentric round self-cleaning baffle 5, and is provided with an eccentric round hole 51; the self-cleaning baffle 5 passes through the eccentric circular hole 51 through a screw 52 and is fixedly connected with the second end 22 of the electrode rod 2.
In this embodiment, the self-cleaning baffle 5 with the eccentric circular hole 51 is an alternative to the self-cleaning baffle 4 described above, and in a specific embodiment, the installation of the eccentric self-cleaning baffle does not require the card installation groove 24, but the installation is fixedly connected with the submerged second end 22 of the electrode rod 2 by passing the screw 52 through the eccentric circular hole 51. Therefore, when installing the eccentric self-cleaning flap, it is also necessary to change the electrode rod 2, that is, to replace the card installation groove 24 with the screw installation groove. In addition, the design purpose of the eccentric circular hole 51 is that the self-cleaning baffle 5 can be eccentric by the force exerted by the fluctuation of water when the water boils, so that the self-cleaning baffle 5 can shake more strongly and the self-cleaning effect is better.
In the embodiment provided by the invention, the shape of the self-cleaning baffle is round, square, long strip or special-shaped. As long as guarantee that self-cleaning separation blade can rock on electrode rod 2 under the effect of water when water boils, just can play the clean effect to electrode rod 2. Based on this, the self-cleaning baffle can also adopt a standard snap spring, a gasket, a nut or the like.
In the embodiment provided by the invention, the self-cleaning baffle is made of stainless steel or titanium alloy.
In this embodiment, the self-cleaning baffle is preferably made of stainless steel or titanium alloy material. The material has the characteristics of high strength, high temperature resistance and corrosion resistance, so that the self-cleaning baffle plate can be ensured to have longer service life.
Embodiments of the present invention also provide a steam generating apparatus including the water level electrode sensor as described above. All the implementation manners in the above embodiments are applicable to the embodiment of the device, and the same technical effect can be achieved.
According to the water level electrode sensor disclosed by the embodiment of the invention, when water is boiled, the self-cleaning card can be driven to shake in the range of the groove, and scale or grease on the electrode rod can not be attached or fall off by the shaking of the card under the condition that the card frequently shakes, so that the self-cleaning effect is achieved. Meanwhile, the PTFE isolation pipe is adopted, so that stains such as oil stains, water scales and the like are not attached, and the technical effect is superior to that of ceramics, stainless steel or other plastics; the water level electrodes with three water levels, namely high, medium and low, are arranged, so that different states of the water level can be detected; the water fluctuates when boiling, and three detections are adopted to smooth the fluctuation well; the electrode sensor is provided with the self-cleaning baffle, can prevent scale, oil stains and the like in water from being attached to the stainless steel electrode, and is far superior to the electrode sensor without the self-cleaning effect in reliability.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A water level electrode sensor, comprising:
a fixed flange;
at least one water level electrode;
the at least one water level electrode is respectively and fixedly connected with the fixed flange;
and a self-cleaning card is arranged at one end of the at least one water level electrode, which is contacted with water.
2. The water level electrode sensor according to claim 1, wherein the water level electrode comprises: the electrode rod, the first end of electrode rod pass fixed flange's electrode fixed orifices with fixed flange fixed connection, the second end of electrode rod is equipped with the card mounting groove, self-cleaning card install in the mounting groove.
3. The water level electrode sensor according to claim 2, wherein a portion of the first end in the electrode fixing hole is provided with a separation preventing groove.
4. The water level electrode sensor according to claim 1, wherein the portion of the first end of the electrode rod, which passes through the fixing flange, is provided with a connecting portion for connecting a cable.
5. A water level electrode sensor according to claim 2, 3 or 4, wherein the outer surface of the electrode rod is wrapped with an isolation tube.
6. The water level electrode sensor according to claim 5, wherein the at least one water level electrode comprises: a first water level electrode, a second water level electrode and a third water level electrode;
the length of the electrode rod of the first water level electrode is smaller than that of the electrode rod of the second water level electrode, and the length of the electrode rod of the second water level electrode is smaller than that of the electrode rod of the third water level electrode.
7. The water level electrode sensor of claim 2, wherein the self-cleaning card comprises: self-cleaning baffle plates; the self-cleaning baffle is provided with a notch, a slot and a clamping hole; the notch is communicated with the open slot and the clamping hole; the self-cleaning baffle is clamped into the clamping piece mounting groove of the water level electrode through the notch.
8. The water level electrode sensor of claim 2, wherein the self-cleaning card comprises: the self-cleaning baffle is provided with an eccentric circular hole; the self-cleaning baffle plate penetrates through the eccentric circular hole through a screw to be fixedly connected with the second end of the electrode rod.
9. The water level electrode sensor according to claim 7 or 8, wherein the self-cleaning baffle is circular, square, elongated or irregular in shape.
10. A steam generating apparatus comprising the water level electrode sensor according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110486992.3A CN113091849A (en) | 2021-05-03 | 2021-05-03 | Water level electrode sensor and steam generation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110486992.3A CN113091849A (en) | 2021-05-03 | 2021-05-03 | Water level electrode sensor and steam generation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113091849A true CN113091849A (en) | 2021-07-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110486992.3A Pending CN113091849A (en) | 2021-05-03 | 2021-05-03 | Water level electrode sensor and steam generation equipment |
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| Country | Link |
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| CN (1) | CN113091849A (en) |
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| CN210801669U (en) * | 2019-08-23 | 2020-06-19 | 合肥荣事达太阳能科技有限公司 | Solar water heater storage water tank with cleaning function |
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| CN2677886Y (en) * | 2003-01-26 | 2005-02-09 | 杭州特种锅炉厂 | Electrode water-level sensor |
| CN2745039Y (en) * | 2004-07-06 | 2005-12-07 | 孙丰忠 | Water-level sensor capable of clearing water scale automatically |
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