CN220017334U - Water level detection structure of steam boiler - Google Patents
Water level detection structure of steam boiler Download PDFInfo
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- CN220017334U CN220017334U CN202321440793.XU CN202321440793U CN220017334U CN 220017334 U CN220017334 U CN 220017334U CN 202321440793 U CN202321440793 U CN 202321440793U CN 220017334 U CN220017334 U CN 220017334U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000001514 detection method Methods 0.000 title claims abstract description 10
- 238000007667 floating Methods 0.000 claims abstract description 77
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 230000001502 supplementing effect Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 15
- 230000035945 sensitivity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000003020 moisturizing effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012384 transportation and delivery Methods 0.000 description 1
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Abstract
The utility model discloses a water level detection structure of a steam boiler, which comprises: a furnace body. The floating body is arranged in the furnace body and is used for floating up and down along with the height of the liquid level in the furnace body. The sliding rod is sleeved with the furnace body top in a sliding way, and the bottom end of the sliding rod is fixedly connected with the floating body. The distance measuring sensor is arranged on the top wall of the furnace body and used for detecting the distance between the floating body and the distance measuring sensor. The pump body is electrically connected with the ranging sensor, is connected with the furnace body through a pipeline and is used for supplementing water to the inside of the furnace body. When the steam boiler is used, the distance of the floating body in the communicating cylinder is measured through the distance measuring sensor to measure the water level of the boiler cylinder, but after the steam boiler is used for a long time, a large amount of scale can be generated, the scale can only accumulate on the bottom surface of the floating body, the lifting movement of the floating body is not blocked, and therefore the water level height can be accurately detected.
Description
Technical Field
The utility model relates to the technical field of boiler equipment, in particular to a water level detection structure of a steam boiler.
Background
The steam boiler is a boiler device for producing steam, belongs to special equipment, and has to be inspected by national technical supervision departments in design, production, delivery and installation, and a user needs to obtain a boiler use certificate to operate the boiler. Unlike normal pressure boilers, the steam boiler must be shipped with boiler procedures including boiler body diagram, installation diagram, instrument valve diagram, pipeline diagram, inspection qualification, etc.
Chinese patent application No.: 202223289748.7 an automatic water supplementing steam boiler, including furnace body, water level detection device, automatically controlled valve, automatically controlled water pump, storage water tank and moisturizing pipeline, be equipped with in the furnace body and be used for storing the boiler water's drum, water level detection device is used for detecting the water level in the drum, water level detection device respectively with automatically controlled valve with automatically controlled water pump electric connection, the drum passes through moisturizing pipeline connects the storage water tank, be equipped with on the moisturizing pipeline automatically controlled valve with automatically controlled water pump, automatically controlled water pump can with boiler water in the storage water tank is carried into in the drum. The automatic water supplementing steam boiler can automatically supplement water to the steam boiler according to the water level. The specific use steps are as follows: the water level in the communicating cylinder is the same as the water level in the boiler cylinder, the distance measuring sensor arranged at the top of the communicating cylinder measures the distance between the floating body in the communicating cylinder to measure the water level of the boiler cylinder, the distance measuring sensor is electrically connected with the electric control valve and the electric control water pump, and the electric control valve and the electric control water pump (not related to software control) can be controlled according to the measured water level height: when the water level is detected to be reduced to the designated height, the electric control valve is started, the electric control water pump is started, and the electric control water pump conveys boiler water in the water storage tank into the boiler barrel through the water supplementing pipeline. When the water level is detected to rise to the designated height, the electric control valve and the electric control water pump are closed, and the water supplementing operation of the boiler is completed.
In the related art, when the steam boiler is used, the distance of the floating body in the communicating cylinder is measured through the distance measuring sensor to measure the water level of the boiler cylinder, but after the steam boiler is used for a long time, a large amount of scale can be generated, the scale can be attached to the inner wall of the communicating cylinder and the surface of the floating body, and the sudden floating body cannot move up and down, so that the water level height cannot be accurately detected.
Disclosure of Invention
In view of the above technical problems, the present utility model provides a water level detection structure of a steam boiler, including:
a furnace body.
The floating body is arranged in the furnace body and is used for floating up and down along with the height of the liquid level in the furnace body.
The sliding rod is sleeved with the furnace body top in a sliding way, and the bottom end of the sliding rod is fixedly connected with the floating body.
The distance measuring sensor is arranged on the top wall of the furnace body and used for detecting the distance between the floating body and the distance measuring sensor.
The pump body is electrically connected with the ranging sensor, is connected with the furnace body through a pipeline and is used for supplementing water into the furnace body.
Compared with the prior art, the utility model has the following advantages: along with the liquid level of the water surface in the boiler is reduced, the height of the floating body is reduced, the distance between the distance measuring sensor and the floating body is detected, and when the distance is increased to a first preset value, the pump body automatically starts to work, and the pump body conveys water into the boiler body. Along with the rise of the water level in the furnace body, the height of the floating body rises along with the rise of the water level, at the moment, the distance between the floating body and the self body is detected by the distance sensor, when the distance is reduced to a second preset value, the pump body automatically stops working, in the lifting process of the floating body, the sliding rod slides relative to the top wall of the furnace body, and the scale is only accumulated on the surface of the floating body and is not accumulated on the sliding rod, so that the water level height can be accurately detected.
Further preferably, the method further comprises:
the rollers are rotationally connected with the furnace body, the edges of the rollers are abutted with the sliding rods, the number of the rollers is multiple, and the rollers are distributed on the side walls of the sliding rods in a circumferential array.
By adopting the technical scheme, the roller can reduce friction between the slide bar and the furnace body and improve the lifting sensitivity of the floating body.
Further preferably, the method further comprises:
the sliding block is rotationally connected with the roller, is in sliding connection with the furnace body, and is close to or far away from the sliding rod in the sliding direction.
And one end of the elastic piece is connected with the sliding block, and the other end of the elastic piece is connected with the furnace body and is used for applying acting force to the sliding block so that the sliding block drives the roller to be abutted with the sliding rod.
By adopting the technical scheme, when the slide bar shakes in the furnace body, acting force can be generated on the roller, the acting force is transmitted to the elastic piece through the slide block, so that the elastic piece deforms, meanwhile, the elastic piece is reversely applied to the slide block in a reaction force mode, the slide block is transmitted to the slide bar through the roller, so that the shake of the slide bar is buffered, and the slide bar is ensured to be in a stable state in the lifting process.
Further preferably, the method further comprises:
the clamping groove is arranged on the top wall of the furnace body and is used for embedding the floating body.
And the scraper is connected with the furnace body in a sliding way.
And the driving device is in driving connection with the scraper and is used for driving the scraper to slide.
By adopting the technical scheme, the sliding rod is pulled upwards, the floating body is embedded in the clamping groove, the clamping groove is used for fixing the floating body, the driving device drives the scraper to move, the scraper scrapes the scale at the bottom of the floating body, the quality of the floating body is reduced, and the lifting sensitivity of the floating body is improved.
Further preferably, the driving device includes:
and the rack is fixedly connected with the scraper, and the length direction of the rack is along the sliding direction of the scraper.
The gear is rotationally connected with the furnace body and meshed with the rack.
And the driving assembly is in driving connection with the gear and is used for driving the gear to rotate.
By adopting the technical scheme, the driving assembly drives the gear to rotate, the gear drives the rack to slide, and the rack drives the scraper to move.
Further preferably, the driving assembly includes:
and the worm wheel is coaxially and fixedly connected with the gear.
The worm is rotationally connected with the furnace body and meshed with the worm wheel.
And the driving piece is in driving connection with the worm and is used for driving the worm to rotate.
By adopting the technical scheme, the driving piece drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the gear to rotate, the worm wheel and the worm cooperate to have a self-locking effect, and the scraper can be prevented from moving automatically under the action of steam.
It is further preferred that one end of the sliding rod far away from the floating body is fixedly connected with a handle for holding.
By adopting the technical scheme, the handle is convenient to hold and pull the sliding rod to drive the floating body to move up and down.
Further preferably, a sealing strip is arranged between the sliding rod and the furnace body.
By adopting the technical scheme, the sealing strip can improve the tightness of the furnace body and maintain the pressure in the furnace body.
Further preferably, an anti-collision block is fixedly arranged on one side of the floating body close to the top wall of the furnace body.
By adopting the technical scheme, the anti-collision block prevents the floating body from being collided and damaged with the top of the furnace body.
It is further preferred that the slide bar surface is coated with a wear resistant coating.
By adopting the technical scheme, the service life of the sliding rod is prolonged.
Drawings
Fig. 1 is a schematic structural view of the present embodiment;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a partial enlarged view at B in FIG. 1;
reference numerals: 1-a furnace body; 2-floating body; 3-a slide bar; 4-ranging sensors; 5-a pump body; 6-a roller; 7-a slide block; 8-an elastic member; 9-clamping grooves; 10-scraping knife; 11-racks; 12-gear; 13-worm wheel; 14-worm; 15-a driving member; 16-handle; 17-sealing strips; 18-crashproof blocks.
Detailed Description
When the boiler in the prior art is used, the distance of the floating body in the communication cylinder is measured through the distance measuring sensor to measure the water level of the boiler cylinder, but after the steam boiler is used for a long time, a large amount of scale can be generated, the scale can be attached to the inner wall of the communication cylinder and the surface of the floating body, and the sudden floating body cannot move up and down, so that the water level height cannot be detected correctly.
Based on the technical problems, the applicant carries out the following technical scheme conception:
the floating body is only contacted with the water surface in the furnace body, and the scale can only accumulate on the surface of the floating body without affecting the up-and-down movement of the floating body.
Based on the above conception, the present utility model is described with reference to fig. 1 to 3, and the technical scheme is specifically as follows:
a water level detecting structure of a steam boiler, as shown in fig. 1, 2 and 3, includes: a furnace body 1. The floating body 2 is arranged in the furnace body 1 and is used for floating up and down along with the height of the liquid level in the furnace body 1. The sliding rod 3 is sleeved with the top of the furnace body 1 in a sliding way, and the bottom of the sliding rod is fixedly connected with the floating body 2. The distance measuring sensor 4 is arranged on the top wall of the furnace body 1 and used for detecting the distance between the floating body 2 and the sensor. The larger the distance, the lower the liquid level in the furnace body 1, the smaller the distance, and the higher the liquid level in the furnace body 1. The pump body 5 is electrically connected with the distance measuring sensor 4, is connected with the furnace body 1 through a pipeline and is used for supplementing water into the furnace body 1 so as to improve the water level in the furnace body 1. In the use process of the boiler, along with the decrease of the liquid level of the water surface in the boiler body 1, the height of the floating body 2 is decreased along with the decrease of the liquid level, the distance measuring sensor 4 detects that the distance between the floating body 2 and the distance measuring sensor 4 is increased, when the distance is increased to a first preset value, the distance measuring sensor 4 transmits the distance to a controller in the pump body 5 in the form of an electric signal, the controller controls the pump body 5 to automatically start to work, the pump body 5 conveys water into the boiler body 1, along with the increase of the water level in the boiler body 1, the height of the floating body 2 is increased along with the increase of the liquid level, during the period, the distance detected by the distance measuring sensor 4 is gradually decreased, and when the distance is decreased to a second preset value, the distance at the moment is transmitted to the controller in the pump body 5 in the form of the electric signal, and the controller controls the pump body 5 to automatically stop to work. In the lifting process of the floating body 2, the floating body 2 drives the sliding rod 3 to slide relative to the top wall of the furnace body 1, the bottom of the floating body 2 is in direct contact with the water surface in the furnace body 1, and the sliding rod 3 is not in contact with the water surface. After the scale is generated, the scale can only accumulate on the bottom surface of the floating body 2 and can not accumulate on the side wall of the sliding rod 3, so that the lifting movement of the floating body 2 is not blocked, and the water level can be accurately detected.
Specifically, as shown in fig. 1, 2 and 3, the method further includes: the roller 6 is rotationally connected with the furnace body 1, the edge is abutted with the slide bar 3, the number is a plurality of, the plurality of rollers 6 are distributed on the side wall around the slide bar 3 in a circumferential array, the slide bar 3 forms opposite rolling motion with the roller 6 in the lifting process, friction between the slide bar 3 and the furnace body 1 is reduced, the slide bar 3 moves smoothly in the furnace body 1, the floating body 2 can move up and down rapidly, and the lifting sensitivity of the floating body 2 is improved.
Specifically, as shown in fig. 1, 2 and 3, the method further includes: the sliding block 7 is rotationally connected with the roller 6, is in sliding connection with the furnace body 1, and is close to or far away from the sliding rod 3 in the sliding direction. And one end of the elastic piece 8 is connected with the sliding block 7, and the other end of the elastic piece is connected with the furnace body 1 and is used for applying acting force to the sliding block 7, so that the sliding block 7 drives the roller 6 to be abutted with the sliding rod 3. When the slide bar 3 shakes in the furnace body 1, acting force is generated on the roller 6, the acting force is transmitted to the elastic piece 8 through the slide block 7, so that the elastic piece 8 deforms, meanwhile, the elastic piece 8 is reversely applied to the slide block 7 in a reaction force mode, and is transmitted to the slide bar 3 through the roller 6 through the slide block 7, so that the shake of the slide bar 3 is buffered, and the slide bar 3 is ensured to be in a stable state in the lifting process.
Specifically, as shown in fig. 1, 2 and 3, the method further includes: the clamping groove 9 is arranged on the top wall of the furnace body 1 and is used for embedding the floating body 2. And the scraper 10 is in sliding connection with the furnace body 1. And the driving device is in driving connection with the scraper 10 and is used for driving the scraper 10 to slide. The sliding rod 3 is pulled upwards, the floating body 2 is embedded in the clamping groove 9, the clamping groove 9 enables the floating body 2 to be fixed, the driving device drives the scraper 10 to move, the scraper 10 scrapes scale at the bottom of the floating body 2, the quality of the floating body 2 is reduced, and the lifting sensitivity of the floating body 2 is improved.
Specifically, as shown in fig. 1, 2 and 3, the driving device includes: the rack 11 is fixedly connected with the scraper 10, and the length direction is along the sliding direction of the scraper 10. The gear 12 is rotatably connected with the furnace body 1 and meshed with the rack 11. And the driving assembly is in driving connection with the gear 12 and is used for driving the gear 12 to rotate. The driving assembly drives the gear 12 to rotate, the gear 12 drives the rack 11 to slide, and the rack 11 drives the scraper 10 to move.
Specifically, as shown in fig. 1, 2 and 3, the driving assembly includes: and the worm wheel 13 is coaxially and fixedly connected with the gear 12. The worm 14 is rotatably connected with the furnace body 1 and meshed with the worm wheel 13. And the driving piece 15 is in driving connection with the worm 14 and is used for driving the worm 14 to rotate. The driving piece 15 drives the worm 14 to rotate, the worm 14 drives the worm wheel 13 to rotate, the worm wheel 13 drives the gear 12 to rotate, the worm wheel 13 and the worm 14 cooperate to have a self-locking effect, and the scraper 10 can be prevented from moving automatically under the action of steam.
Specifically, as shown in fig. 1, 2 and 3, a handle 16 is fixedly connected to one end of the sliding rod 3 away from the floating body 2 for holding. The handle 16 is convenient to hold and pull the sliding rod 3 to drive the floating body 2 to move up and down.
Specifically, as shown in fig. 1, 2 and 3, a sealing strip 17 is provided between the slide bar 3 and the furnace body 1. The sealing strip 17 can improve the sealing performance of the furnace body 1 and maintain the pressure in the furnace body 1.
Specifically, as shown in fig. 1, 2 and 3, the floating body 2 is fixedly provided with an anti-collision block 18 on the side close to the top wall of the furnace body 1. The anti-collision block 18 prevents the floating body 2 from collision damage with the top of the furnace body 1.
Specifically, as shown in fig. 1, 2 and 3, the surface of the slide bar 3 is coated with a wear-resistant coating. The service life of the slide bar 3 is prolonged.
Principle and process of operation
Please refer to fig. 1-3, which illustrate the principles of the present utility model in more detail:
when the boiler is used, the height of the floating body 2 is lowered along with the lowering of the liquid level of the water surface in the boiler, the distance measuring sensor 4 detects the distance between the distance measuring sensor and the floating body 2, and when the distance is increased to a first preset value, the pump body 5 automatically starts to work, and the pump body 5 conveys water into the boiler body 1. Along with the rise of the water level in the furnace body 1, the height of the floating body 2 rises along with the rise, at the moment, the distance sensor 4 detects that the distance between the floating body 1 and the self body is reduced, when the distance is reduced to a second preset value, the pump body 5 automatically stops working, in the lifting process of the floating body 2, the sliding rod 3 slides relative to the top wall of the furnace body 1, in the furnace body 1, the bottom of the floating body 2 is in direct contact with the water surface, and scale is accumulated on the surface of the floating body 2. After the bottom surface of body 2 accumulated the incrustation scale, upwards stimulate slide bar 3, make body 2 inlay and locate draw-in groove 9 in, draw-in groove 9 makes body 2 fixed, and drive arrangement drives scraper 10 and removes, and scraper 10 scrapes the incrustation scale of body 2 bottom, reduces the quality of body 2, improves the sensitivity of body 2 lift to can correctly detect water level.
The present embodiment is merely illustrative of the utility model and is not intended to limit the utility model, and those skilled in the art, after having read the present specification, may make modifications to the embodiment without creative contribution as required, but are protected by patent laws within the protection scope of the present utility model.
Claims (10)
1. A water level detecting structure of a steam boiler, comprising:
a furnace body (1);
the floating body (2) is arranged in the furnace body (1) and is used for floating up and down along with the height of the liquid level in the furnace body (1);
the sliding rod (3) is in sliding sleeve connection with the top of the furnace body (1), and the bottom of the sliding rod is fixedly connected with the floating body (2);
the distance measuring sensor (4) is arranged on the top wall of the furnace body (1) and is used for detecting the distance between the floating body (2) and the sensor;
the pump body (5) is electrically connected with the distance measuring sensor (4), is connected with the furnace body (1) through a pipeline and is used for supplementing water into the furnace body (1).
2. The water level detecting structure of a steam boiler according to claim 1, further comprising:
the rollers (6) are rotationally connected with the furnace body (1), the edges of the rollers are abutted with the sliding rods (3), the number of the rollers is multiple, and the rollers (6) are distributed on the side walls of the sliding rods (3) in a circumferential array.
3. The water level detecting structure of a steam boiler according to claim 2, further comprising:
the sliding block (7) is rotationally connected with the roller (6), is in sliding connection with the furnace body (1), and is close to or far away from the sliding rod (3) in the sliding direction;
and one end of the elastic piece (8) is connected with the sliding block (7), and the other end of the elastic piece is connected with the furnace body (1) and is used for applying acting force to the sliding block (7) so that the sliding block (7) drives the roller (6) to be abutted with the sliding rod (3).
4. The water level detecting structure of a steam boiler according to claim 1, further comprising:
the clamping groove (9) is arranged on the top wall of the furnace body (1) and is used for embedding the floating body (2);
the scraper (10) is connected with the furnace body (1) in a sliding manner;
and the driving device is in driving connection with the scraper (10) and is used for driving the scraper (10) to slide.
5. The water level detecting structure of a steam boiler according to claim 4, wherein the driving means comprises:
the rack (11) is fixedly connected with the scraper (10), and the length direction of the rack is along the sliding direction of the scraper (10);
the gear (12) is rotationally connected with the furnace body (1) and meshed with the rack (11);
and the driving assembly is in driving connection with the gear (12) and is used for driving the gear (12) to rotate.
6. The water level detecting structure of a steam boiler according to claim 5, wherein the driving assembly comprises:
a worm wheel (13) which is coaxially and fixedly connected with the gear (12);
a worm (14) which is rotationally connected with the furnace body (1) and meshed with the worm wheel (13);
and the driving piece (15) is in driving connection with the worm (14) and is used for driving the worm (14) to rotate.
7. The water level detection structure of a steam boiler according to claim 6, wherein a handle (16) is fixedly connected to one end of the sliding rod (3) far away from the floating body (2) for holding.
8. The water level detection structure of a steam boiler according to claim 6, wherein a sealing strip (17) is arranged between the sliding rod (3) and the boiler body (1).
9. The water level detecting structure of a steam boiler according to claim 6, wherein an anti-collision block (18) is fixedly installed on one side of the floating body (2) close to the top wall of the boiler body (1).
10. A water level detecting structure of a steam boiler according to claim 6, characterized in that the surface of the slide bar (3) is coated with a wear-resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321440793.XU CN220017334U (en) | 2023-06-07 | 2023-06-07 | Water level detection structure of steam boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321440793.XU CN220017334U (en) | 2023-06-07 | 2023-06-07 | Water level detection structure of steam boiler |
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| Publication Number | Publication Date |
|---|---|
| CN220017334U true CN220017334U (en) | 2023-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321440793.XU Active CN220017334U (en) | 2023-06-07 | 2023-06-07 | Water level detection structure of steam boiler |
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| CN (1) | CN220017334U (en) |
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2023
- 2023-06-07 CN CN202321440793.XU patent/CN220017334U/en active Active
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