CN210511607U - Steam generating device - Google Patents
Steam generating device Download PDFInfo
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- CN210511607U CN210511607U CN201921170161.XU CN201921170161U CN210511607U CN 210511607 U CN210511607 U CN 210511607U CN 201921170161 U CN201921170161 U CN 201921170161U CN 210511607 U CN210511607 U CN 210511607U
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- boiler
- sub
- steam
- pot
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Abstract
A steam generating device comprises a main boiler, a heater, an upper cover, a sub boiler, a water level probe on the main boiler, a water level probe under the main boiler, a first water inlet electromagnetic valve, a water level probe on the sub boiler, a water level probe under the sub boiler, a second water inlet electromagnetic valve and a steam electromagnetic valve. The heater is arranged in the main pot, the upper cover is arranged at the top of the main pot, the upper water level probe of the main pot and the lower water level probe of the main pot are arranged in the main pot, the sub pot is arranged in the main pot, the upper water level probe of the sub pot and the lower water level probe of the sub pot are arranged in the sub pot, the first water inlet electromagnetic valve and the second water inlet electromagnetic valve are respectively connected with the main pot and the sub pot, and the steam electromagnetic valve is connected with the sub pot. Therefore, steam can be supplied, and the heater and the mother pot can reduce the accumulation of scale.
Description
Technical Field
The utility model relates to a steam generating device, in particular to a steam generating device for a primary-secondary pot which can generate steam.
Background
Most of the existing steam generating devices are provided with a heater in a container, the water level stored in the container is higher than the heater, a steam chamber is designed at the upper end of the container, and a temperature controller is used for controlling the temperature or a pressure switch is used for controlling the steam pressure of the steam chamber, such as 120 ℃ or 1 bar. When steam is used, the steam pressure of a steam chamber in the container is reduced, the pressure switch starts the heater when detecting that the steam pressure is lower than a set value, the heater is closed when the steam pressure is higher than a set upper limit, or the steam pressure is reduced when the steam is used, the temperature is also reduced, the heater is started when the temperature detector detects that the temperature is lower than the set temperature, and the heater is closed when the temperature is higher than the set temperature.
However, in the conventional steam generating device, the water stored in the container is heated by the heater, and the amount of scale deposited by the heater is gradually increased along with the increase of the service time, so that the heating efficiency is gradually decreased, the heater may be burnt when the scale is deposited too much, and the use cost and inconvenience of the steam generating device are increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a steam generating device is provided to the not enough of prior art, can supply steam, and the accumulation of reducible incrustation scale.
In order to solve the technical problem, the utility model adopts the technical scheme that a steam generating device is provided, include: a mother pot which is a hollow body and can be used for containing water; at least one heater, which is arranged in the mother pot; the upper cover is arranged at the top of the mother pot; the water level probe on the main pot is arranged in the main pot; a water level probe under the main boiler, wherein the water level probe under the main boiler is arranged in the main boiler; the first water inlet electromagnetic valve is connected with the mother pot; at least one sub-pot which is a hollow body and can be used for containing water, and the sub-pot is arranged in the main pot; at least one water level probe on the sub-pot, wherein the water level probe on the sub-pot is arranged in the sub-pot; at least one sub-boiler water level probe, wherein the sub-boiler water level probe is arranged in the sub-boiler; at least one second water inlet electromagnetic valve connected with the sub-boiler; and at least one steam electromagnetic valve connected to the sub-pan.
Preferably, the first water inlet solenoid valve is connected to the bottom of the mother pot.
Preferably, a temperature controller is arranged on the upper cover, the temperature controller extends into the mother pot, and the temperature controller can be used for controlling the temperature of the mother pot.
Preferably, the upper cover is provided with an exhaust valve and a safety valve, air in the main boiler can be exhausted from the exhaust valve, after steam is generated in the main boiler, the exhaust valve can be closed by steam airflow, and the steam can be released from the safety valve when the steam pressure in the main boiler is higher than a set pressure.
Preferably, a sub-pot water inlet pipe is arranged in the sub-pot, the second water inlet electromagnetic valve is connected to the sub-pot water inlet pipe, and the sub-pot water inlet pipe enters the sub-pot from the top of the sub-pot.
Preferably, the water level of the primary boiler is above a first steam chamber, and the water level of the secondary boiler is above a second steam chamber.
Preferably, the sub-boiler is connected with a steam coil pipe in the second steam chamber and connected with the steam solenoid valve, and the steam coil pipe is positioned in the main boiler.
Preferably, the second water inlet solenoid valve is connected to the sub-boiler through a water inlet coil pipe, and the water inlet coil pipe is positioned in the main boiler.
Preferably, the heater is an electrothermal heater.
The beneficial effects of the utility model reside in that, the utility model provides a steam generation device, female pot water storage do not have the water consumption of outside flow, start the execution procedure of heating every day and exhaust before the temperature boiling, the water yield that its exhaust runs off is the trace, and through using total moisturizing volume for a long time also belong to a small amount, the incrustation scale volume that female pot accumulated is little to neglectable, and heater heating power does not receive the influence of incrustation scale, also does not influence life. Moreover, the water in the sub-boiler is indirectly heated by the main boiler, the heat exchange surface area of the sub-boiler is far larger than that of the heater, and the speed of accumulating the scale is slow.
For a further understanding of the features and technical content of the present invention, reference should be made to the following detailed description of the invention and accompanying drawings, which are provided for reference and illustration purposes only and are not intended to limit the invention.
Drawings
Fig. 1 is a perspective view of a steam generating apparatus according to a first embodiment of the present invention.
Fig. 2 is a plan view of a steam generating apparatus according to a first embodiment of the present invention.
Fig. 3 is a perspective view of a steam generating apparatus according to a second embodiment of the present invention.
Fig. 4 is a plan view of a steam generating apparatus according to a second embodiment of the present invention.
Fig. 5 is a perspective view of a steam generating device according to a third embodiment of the present invention.
Fig. 6 is a perspective view of a steam generating apparatus according to a fourth embodiment of the present invention.
Detailed Description
[ first embodiment ]
Referring to fig. 1 and 2, the present invention provides a steam generating device, which is a primary-secondary pot steam generating device, including a primary pot 1, at least one heater 2, an upper cover 3 and at least one secondary pot 4.
The primary pot 1 is a hollow body, the primary pot 1 can be a round hollow body and can be used for containing water, and a first steam chamber 11 is arranged above the water level (normal water level) of the primary pot 1. The top of the mother pot 1 is open, the upper cover 3 is arranged on the top of the mother pot 1 to seal the top of the mother pot 1, so that the mother pot 1 can form a closed container.
A water level probe 5 on the main boiler and a water level probe 6 under the main boiler are arranged in the main boiler 1, the bottom or other positions of the main boiler 1 are connected with a first water inlet electromagnetic valve 7, and when the water level of the main boiler 1 leaves the water level probe 6 under the main boiler, an automatic control system starts a water replenishing pump (not shown) and the first water inlet electromagnetic valve 7 to replenish water. When the water level of the main boiler 1 contacts the water level probe 6 under the main boiler, the automatic control system closes the water replenishing pump and the first water inlet electromagnetic valve 7 to stop water replenishing. If the water level of the mother pot 1 rises due to a fault, the system is shut down to stop using the function when the water level contacts the water level probe 5 on the mother pot, so that the use safety is ensured.
The main boiler 1 may be provided with a temperature controller 8 for controlling the temperature of the main boiler 1, the temperature controller 8 is disposed on the upper cover 3 and extends into the main boiler 1, the temperature is set to, for example, 120 ℃ ± 2 ℃, and is approximately equal to the gauge pressure 1BAR, the heater 2 is turned on when the temperature of the water in the main boiler 1 is lower than 118 ℃, and the heater 2 is turned off when the temperature of the water in the main boiler 1 is higher than 122 ℃. The temperature controller 8 can be replaced by a pressure switch (not shown) with a pressure setting of about 1-1.2 bar, which can detect the steam pressure in the mother boiler 1 to turn on and off the heater 2.
When the mother boiler 1 is started up each time, the heater 2 is heated from normal temperature to set temperature, in the heating process, such as from normal temperature to boiling stage, the air in the mother boiler 1 can be discharged from an exhaust valve 9 arranged on the upper cover 3, after steam is generated in the mother boiler 1, the exhaust valve 9 is closed by steam airflow, so that the first steam chamber 11 has corresponding steam pressure when the temperature of the mother boiler 1 reaches the set temperature. The exhaust valve 9 can also be replaced by an electromagnetic valve (not shown), which is opened when the heating temperature is lower than the boiling temperature and closed when the heating temperature is higher than the boiling temperature.
The upper cover 3 can also be provided with a safety valve 10, when the temperature of the mother boiler 1 rises due to the failure of the heating automatic control system, the steam can be released from the safety valve 10 when the steam pressure in the mother boiler 1 is larger than the set pressure, so as to ensure the safe use of the steam generating device.
One or more heaters 2 may be provided, and in the present embodiment, the design of the dual heater 2 is adopted. The heater 2 is an electric heater, the heater 2 is arranged in the mother pot 1, the heater 2 is firstly assembled at the bottom of the mother pot 1 before the upper cover 3 is not assembled, and a leak-proof gasket 20 is additionally arranged between the mother pot 1 and the heater 2, so that the heater 2 is watertight and watertight. The water level of the mother boiler 1 should be a proper distance higher than the top of the heater 2 to prevent the heater 2 from being dried. The main pot 1 may also be provided with a temperature overheat protection switch (not shown) or other overheat protection devices for ensuring safe use.
The sub-pots 4 can be one or more, in this embodiment, the design of the double sub-pots 4 is adopted, and the two sub-pots 4 are arranged inside the main pot 1. The two sub-pots 4 have the same structure and function, the sub-pot 4 is a hollow body and can be used for containing water, and a second steam chamber 41 is arranged above the water level of the sub-pot 4. The sub-boiler 4 is arranged in the main boiler 1, a sub-boiler upper water level probe 30 and a sub-boiler lower water level probe 40 are arranged in the sub-boiler 4, the sub-boiler lower water level probe 40 can control the normal water level, and the sub-boiler upper water level probe 30 can control the abnormal water level. The sub-pan 4 is connected with a second water inlet electromagnetic valve 50 and a steam electromagnetic valve 60, and the number of the sub-pan upper water level probe 30, the sub-pan lower water level probe 40, the second water inlet electromagnetic valve 50 and the steam electromagnetic valve 60 corresponds to that of the sub-pan 4, and at least one is arranged.
When the water level of the sub-boiler 4 leaves the sub-boiler water level probe 40, the automatic control system starts the water replenishing pump (not shown) and the second water inlet electromagnetic valve 50 to replenish water, and cold water can enter the sub-boiler 4 from the bottom of the sub-boiler 4. When the water level of the sub-boiler 4 contacts the sub-boiler lower water level probe 40, the automatic control system closes the water replenishing pump and the second water inlet electromagnetic valve 50 to stop water replenishing. If the water level of the sub-boiler 4 rises due to a fault, the system stops using when the water level contacts the water level probe 30 on the sub-boiler, so that the use safety is ensured.
The two sub-pots 4 are respectively provided with a sub-pot upper water level probe 30 and a sub-pot lower water level probe 40 to control water levels, when the steam generating device finishes a heating program, the water temperature in the sub-pots 4 also reaches 120 ℃, in the heating process of the main pot 1 from normal temperature, the steam electromagnetic valve 60 of the sub-pot 4 is synchronously opened to discharge air in the second steam chamber 41 of the sub-pot 4, when the temperature of the main pot 1 reaches a boiling temperature, the steam electromagnetic valve 60 is closed, when the sub-pot 4 uses steam, the steam electromagnetic valve 60 is opened, and the steam in the sub-pot 4 is discharged to execute a steam using program. Because the water level of the sub-boiler 4 is reduced by using the steam, the automatic control system starts the water replenishing pump (not shown) and the second water inlet electromagnetic valve 50 after the water level of the sub-boiler 4 leaves the sub-boiler lower water level probe 40, and the automatic control system closes the water replenishing pump and the second water inlet electromagnetic valve 50 to stop water replenishing after the water level of the sub-boiler 4 is contacted with the sub-boiler lower water level probe 40. The hot water stored in the main boiler 1 heats the sub boiler 4, so that the temperature of the sub boiler 4 reaches the set temperature to supply steam, the main boiler 1 does not use steam, the water level cannot be reduced, water supplement is not needed, the heater 2 and the main boiler 1 cannot generate scale in the heating process, and the heating efficiency of the heater 2 cannot be reduced.
[ second embodiment ]
Referring to fig. 3 and 4, the structure of the present embodiment is substantially the same as that of the first embodiment, but the present embodiment adopts a single sub-pot 4 and a single heating tube 2. A sub-pan upper water level probe 30, a sub-pan lower water level probe 40 and a sub-pan water inlet pipe 70 are arranged in the sub-pan 4, the second water inlet electromagnetic valve 50 is connected with the sub-pan water inlet pipe 70, the sub-pan water inlet pipe 70 enters the sub-pan 4 from the top of the sub-pan 4 and can extend to a position below the water level of the sub-pan 4, and when an automatic control system starts a water replenishing pump (not shown) and the second water inlet electromagnetic valve 50 to replenish water, cold water can enter the sub-pan 4 through the sub-pan water inlet pipe 70. When the sub-boiler 4 uses steam to lower the water level, cold water is supplemented to the bottom position in the sub-boiler 4 during water supplement, and the steam quantity affecting the sub-boiler 4 is not large because the water supplement quantity is not large each time. The water inlet position of the sub-boiler 4 is not limited to below or above the water level. In addition, the sub-boiler 4 is connected to a steam coil 80 connected to the steam solenoid valve 60 in the second steam chamber 41, and the steam coil 80 is located in the main boiler 1. When the steam is used, the steam electromagnetic valve 60 is opened, the steam flows out from the top of the sub-boiler 4 through the steam coil 80 to perform steam application, and the purpose of the steam coil 80 is to increase the heat exchange area of the steam and improve the heat exchange efficiency.
[ third embodiment ]
Referring to fig. 5, the structure of the present embodiment is substantially the same as that of the second embodiment, but the second water inlet solenoid valve 50 of the present embodiment can be connected to the sub-boiler 4 through a water inlet coil 90. When the water level of the sub-boiler 4 leaves the sub-boiler water level probe 40, the automatic control system starts the water replenishing pump (not shown) and the second water inlet electromagnetic valve 50 to replenish water, cold water can enter the sub-boiler 4 from the bottom of the sub-boiler 4 through the water inlet coil 90, and the water inlet coil 90 is positioned in the main boiler 1. When the water level of the sub-boiler 4 contacts the sub-boiler lower water level probe 40, the automatic control system closes the water replenishing pump and the second water inlet electromagnetic valve 50 to stop water replenishing. The design of the sub-boiler 4 is that the cold water flows into the sub-boiler 4 through the water inlet coil 90 (pipeline), in order to increase the heat exchange area and the heat exchange efficiency when the sub-boiler 4 is filled with water, the water inlet coil 90 can be changed into straight pipe water inlet, that is, the water inlet coil 90 can also be straight pipe or other type of pipeline.
[ fourth embodiment ]
Referring to fig. 6, in the present embodiment, the sub-boiler 4 is connected to a steam coil 80 connected to the steam solenoid valve 60 in the second steam chamber 41, and the steam coil 80 is located in the main boiler 1. When the steam is used, the steam electromagnetic valve 60 is opened, the steam flows out from the top of the sub-boiler 4 through the steam coil 80 to perform steam application, and the purpose of the steam coil 80 is to increase the heat exchange area of the steam and improve the heat exchange efficiency. The second water inlet solenoid valve 50 of this embodiment can be connected to the sub-boiler 4 through a water inlet coil 90. When the water level of the sub-boiler 4 leaves the sub-boiler water level probe 40, the automatic control system starts the water replenishing pump (not shown) and the second water inlet electromagnetic valve 50 to replenish water, cold water can enter the sub-boiler 4 from the bottom of the sub-boiler 4 through the water inlet coil 90, and the water inlet coil 90 is positioned in the main boiler 1. When the water level of the sub-boiler 4 contacts the sub-boiler lower water level probe 40, the automatic control system closes the water replenishing pump and the second water inlet electromagnetic valve 50 to stop water replenishing. The design of the sub-boiler 4 is that cold water flows into the sub-boiler 4 through the water inlet coil pipe 90, so that the heat exchange area and the heat exchange efficiency of the sub-boiler 4 are increased by water inlet.
In another embodiment of the present invention, in addition to the sub-pot 4 for supplying steam, a sub-pot (not shown) for supplying hot water may be further provided to supply steam and hot water.
The beneficial effects of the utility model reside in that, the utility model provides a steam generation device, water level probe, first water solenoid valve, the water level probe on the son pot, the son pot under water level probe, second water solenoid valve and steam solenoid valve under female pot, heater, upper cover, son pot, the female pot. The water stored in the main boiler does not consume water flowing outwards, the main boiler is started up every day to execute the heating procedure to exhaust before the water is boiled, the water loss of the exhaust is trace, the total water supplement amount is small after long-time use, the accumulated scale amount in the main boiler is negligible, the heating power of the heater is not influenced by the scale, and the service life is not influenced. Moreover, the water in the sub-boiler is indirectly heated by the main boiler, the heat exchange surface area of the sub-boiler is far larger than that of the heater, and the speed of accumulating the scale is slow.
However, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, so that all equivalent changes and modifications made by applying the contents of the present invention to the drawings and the specification are included in the scope of the present invention, and it is well known that the present invention is also claimed.
Claims (9)
1. A steam generating apparatus, comprising:
a mother pot which is a hollow body and can be used for containing water;
at least one heater, which is arranged in the mother pot;
the upper cover is arranged at the top of the mother pot;
the water level probe on the main pot is arranged in the main pot;
a water level probe under the main boiler, wherein the water level probe under the main boiler is arranged in the main boiler;
the first water inlet electromagnetic valve is connected with the mother pot;
at least one sub-pot which is a hollow body and can be used for containing water, and the sub-pot is arranged in the main pot;
at least one water level probe on the sub-pot, wherein the water level probe on the sub-pot is arranged in the sub-pot;
at least one sub-boiler water level probe, wherein the sub-boiler water level probe is arranged in the sub-boiler;
at least one second water inlet electromagnetic valve connected with the sub-boiler; and
at least one steam electromagnetic valve, which is connected with the sub-pan.
2. The steam generating apparatus as claimed in claim 1, wherein the first water inlet solenoid valve is connected to a bottom of the mother boiler.
3. The steam generating apparatus as claimed in claim 1, wherein a temperature controller is provided on the upper cover, the temperature controller extending into the main boiler, the temperature controller being capable of controlling the temperature of the main boiler.
4. The steam generating apparatus as claimed in claim 1, wherein an exhaust valve and a safety valve are provided on the upper cover, the air in the main boiler can be exhausted through the exhaust valve, the exhaust valve is closed by steam flow after the steam is generated in the main boiler, and the steam can be released from the safety valve when the steam pressure in the main boiler is higher than a set pressure.
5. The steam generating device as claimed in claim 1, wherein a sub-boiler water inlet pipe is provided in the sub-boiler, the second water inlet solenoid valve is connected to the sub-boiler water inlet pipe, and the sub-boiler water inlet pipe enters the sub-boiler from the top of the sub-boiler.
6. The steam generating device as claimed in claim 1, wherein the primary boiler is a first steam chamber above the water level, and the secondary boiler is a second steam chamber above the water level.
7. The steam generating device as claimed in claim 6, wherein the sub-boiler is connected to the steam solenoid valve by a steam coil pipe in the second steam chamber, the steam coil pipe being located in the main boiler.
8. The steam generating apparatus as claimed in claim 1, wherein the second water inlet solenoid valve is connected to the sub-boiler through a water inlet coil pipe, the water inlet coil pipe being located in the main boiler.
9. The steam generating apparatus of claim 1, wherein the heater is an electric heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921170161.XU CN210511607U (en) | 2019-07-24 | 2019-07-24 | Steam generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921170161.XU CN210511607U (en) | 2019-07-24 | 2019-07-24 | Steam generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210511607U true CN210511607U (en) | 2020-05-12 |
Family
ID=70585064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921170161.XU Expired - Fee Related CN210511607U (en) | 2019-07-24 | 2019-07-24 | Steam generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210511607U (en) |
-
2019
- 2019-07-24 CN CN201921170161.XU patent/CN210511607U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 |
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| CF01 | Termination of patent right due to non-payment of annual fee |