CN111156490B - Low-voltage electrode boiler - Google Patents
Low-voltage electrode boiler Download PDFInfo
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- CN111156490B CN111156490B CN201911385263.8A CN201911385263A CN111156490B CN 111156490 B CN111156490 B CN 111156490B CN 201911385263 A CN201911385263 A CN 201911385263A CN 111156490 B CN111156490 B CN 111156490B
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- inner container
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
- F22B1/281—Methods of steam generation characterised by form of heating method in boilers heated electrically other than by electrical resistances or electrodes
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- 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
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
- F22B37/54—De-sludging or blow-down devices
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- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Sustainable Energy (AREA)
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Abstract
The invention provides a low-voltage electrode boiler, belonging to the field of boiler equipment manufacture; the invention comprises the following steps: the electrode bar, the furnace body, the floating water tank and the inner container; the inner container is fixed in the furnace body, and the electrode rod is provided with an electrode; the electrode is fixed at the top of the inner container and inserted into the inner container; a vertical water inlet pipe is arranged at the bottom of the inner container; the floating water tank is positioned in the inner container, sleeved on the water inlet pipe and capable of sliding up and down along the length direction of the water inlet pipe; the top of the floating water tank is provided with an opening, and the top of the water inlet pipe is provided with an elbow facing the opening. The floating water tank is arranged in the inner container, so that the water level in the inner container of the electrode boiler can be raised, the water quantity heated by the electrode in the inner container is reduced, the air outlet speed is increased, the starting speed is increased, and the internal pollution discharge and cleaning of the boiler are facilitated.
Description
Technical Field
The invention relates to a boiler manufacturing technology, in particular to a low-voltage electrode boiler, and belongs to the technical field of boiler equipment manufacturing.
Background
The principle of the electrode boiler is that after the electrodes are electrified in water, the current flowing through the electrodes generates heat through the water between the electrodes as a resistor to generate heat energy, and then the water is heated to a saturated state and is evaporated to generate steam. In the process, water itself is used as a conductive medium, and energy conversion is carried out by utilizing the principle that the resistance of the conductive medium is electrified and heated.
By means of the working principle of the electrode boiler, when no water is in the boiler or the water is not in contact with the electrodes, no current can be generated in the boiler, and no heat can be generated. Therefore, the complex system for controlling the water level safety is prevented from being additionally arranged, and the fault can be prevented only by stopping at the lowest water level.
Heat energy can be generated when current passes through the water, and heat cannot be generated when no current passes through the water. No energy loss occurs during this conversion. The current of the water in the boiler is continuously changed and electrolysis does not occur.
The electrode boiler provides the resistive load required for the overall power factor by which the currents between the three phases are balanced. Because the water self-resistance heating is used for generating heat energy, the speed from the beginning of heating the cold water to the set steam working pressure is very fast, and the whole process does not exceed 15 minutes (different models of boilers are slightly different).
The evaporation capacity of the electrode type boiler is determined by the contact area of the water in the boiler and the electrodes and the electrical conductivity of the boiler water, so that the evaporation capacity of the boiler can be adjusted by controlling the water level in the boiler.
In the prior art, because of the requirement of boiler safety, the distance between an electrode and the bottom of an inner container of a boiler is large so as to avoid the contact between the electrode and the inner container; therefore, the water storage amount in the inner container is larger. However, in the case where the boiler is frequently used and the steam demand is small, water feeding operation is required for the boiler at each start-up, which may cause frequent start-up of auxiliary equipment and may easily cause equipment failure.
Disclosure of Invention
The invention provides a novel low-voltage electrode boiler, which solves the problem that a high-capacity electrode boiler in the prior art is difficult to adapt to the environment with high frequency and low consumption by arranging a floating water tank in an inner container and raising the water level of the inner container through the floating water tank.
The low-voltage electrode boiler of the embodiment of the invention comprises: the electrode bar, the furnace body, the floating water tank and the inner container;
the inner container is fixed in the furnace body, and the electrode rod is provided with an electrode; the electrode is fixed at the top of the inner container and inserted into the inner container;
a vertical water inlet pipe is arranged at the bottom of the inner container; the floating water tank is positioned in the inner container, sleeved on the water inlet pipe and capable of sliding up and down along the length direction of the water inlet pipe;
the top of the floating water tank is provided with an opening, and the top of the water inlet pipe is provided with an elbow facing the opening.
The low-voltage electrode boiler is characterized in that the bottom of the inner container is provided with a sewage containing cavity, and a sewage discharge pipe is arranged on the sewage containing cavity;
the furnace body is provided with a sewage draining seat which is connected with the sewage draining pipe.
The low-voltage electrode boiler is characterized in that the top of the inner container is provided with a steam pipe, and the boiler body is provided with a steam valve seat; the steam pipe is connected with the steam valve seat.
The low-voltage electrode boiler is characterized in that the floating water tank is a cavity with an open top, the cavity is a cylindrical cavity, and an opening of the cavity faces to the outlet of the elbow.
The low-pressure electrode boiler as described above, wherein the electrode rod further comprises an insulator; the insulator is fixed outside the inner container and is connected with the electrode.
The low-voltage electrode boiler is characterized in that the boiler body is also provided with a safety valve seat, a water inlet seat, a water level gauge seat, a pressure gauge seat and a base;
the water level gauge seat is connected with the inner container.
The low-voltage electrode boiler is characterized in that the bottom of the inner container is provided with an intermittent sewage discharge pipe, and the boiler body is provided with an intermittent sewage discharge seat; the intermittent sewage draining seat is connected with the intermittent sewage draining pipe
In the embodiment of the invention, the floating water tank is arranged in the inner container, so that the water level in the inner container of the electrode boiler can be raised, the water quantity heated by the electrode in the inner container is reduced, the air outlet speed is increased, the starting speed is increased, and the internal pollution discharge and cleaning of the boiler are facilitated.
Drawings
FIG. 1 is a side view of the inner container of the low-pressure electrode boiler according to the embodiment of the present invention;
fig. 2 is a side view of a low-pressure electrode boiler according to an embodiment of the present invention.
Detailed Description
The low-pressure electrode boiler of the present invention may be made of, and is not limited to, the following materials, for example: pressure resistant steel, stainless steel, insulators, valves, pipelines and the like.
FIG. 1 is a side view showing a structure of a low pressure electrode boiler according to an embodiment of the present invention; and refer to fig. 2.
The low-voltage electrode boiler of the embodiment of the invention comprises: the electrode bar 1, the furnace body 5, the floating water tank 40 and the inner container 4; the floating water tank is formed by welding light stainless steel, has a density slightly less than that of water and can float on the water 19 in the inner container under the condition of being completely filled with water.
The inner container 4 is fixed in the furnace body 5, and the electrode rod 1 is provided with an electrode 3; the electrode 3 is fixed at the top of the inner container 4 and is inserted into the inner container 4; typically three electrodes 3, each electrode 3 being at the same distance from the bottom of the inner container 4.
Typically, the electrode rod 1 further comprises an insulator 2; the insulator 2 is fixed outside the inner container 4 and is connected with the electrode 3.
The inner container 4 is made of pressure-bearing material, and the inner wall is coated with insulating material.
A vertical water inlet pipe 100 is arranged at the bottom of the inner container 4; the water inlet pipe 100 is connected with a water inlet seat 10 arranged on the furnace body so as to provide water 19 required by heating for the inner container.
The floating water tank 40 is positioned in the inner container 4, sleeved on the water inlet pipe 100 and capable of sliding up and down along the length direction of the water inlet pipe 100; the floating water tank 40 floats on the liquid level of the water 19 according to the amount of the water 19 in the liner.
The top of the floating water tank 40 is provided with an opening, the top of the water inlet pipe 100 is provided with an elbow 101, and the water outlet of the elbow 101 faces the opening.
Specifically, the floating water tank is a cavity 41 with an open top, the cavity 41 is a cylindrical cavity, and an opening of the cavity 41 faces an outlet of the elbow 101.
In the process of water inlet of the inner container 4, the entered water is firstly injected into the containing cavity 41 of the floating water tank 40, and after the water is filled, the water overflows from the opening of the containing cavity 41 and enters the inner container 4.
In the low-voltage electrode boiler of the embodiment, a blowdown containing cavity 49 is arranged at the bottom of the inner container 4, and a blowdown pipe 90 is arranged on the blowdown containing cavity 49; the furnace body 5 is provided with a sewage draining seat 9, and the sewage draining seat 9 is connected with the sewage draining pipe 90.
In the embodiment of the invention, the floating water tank is arranged in the inner container, so that the water level in the inner container of the electrode boiler can be raised, the water quantity heated by the electrode in the inner container is reduced, the air outlet speed is increased, the starting speed is increased, and the internal pollution discharge and cleaning of the boiler are facilitated.
Due to the design of the floating water tank, the water storage capacity of the inner container is occupied, so that the effective volume of the inner container is reduced, and the steam outlet speed of the boiler is increased on the basis of keeping the maximum power of the boiler; and when the boiler is shut down, the floating water tank is directly pressed at the bottom of the inner container, so that the pollution discharge is more convenient.
In the low-voltage electrode boiler of the present embodiment, a steam pipe 70 is disposed on the top of the inner container 4, and a steam valve seat 7 is disposed on the furnace body 5; the steam pipe 70 is connected to the steam valve seat 7.
In addition, a safety valve seat 6, a water inlet seat 10, a water level gauge seat 12, a pressure gauge seat 11 and a base 13 are arranged outside the furnace body 5; a pressure gauge is arranged on the pressure gauge seat 11; the safety valve seat 6 is provided with a safety valve.
The water level gauge seat 12 is connected with the inner container 4 so as to observe the water level in the inner container from the outside of the furnace body 5 visually.
In the low-voltage electrode boiler of the embodiment, the bottom of the inner container 4 is provided with an intermittent sewage discharge pipe 80, and the furnace body 5 is provided with an intermittent sewage discharge seat 8; the intermittent sewage draining seat 8 is connected with the intermittent sewage draining pipe 80.
In addition, the low-voltage electrode boiler has the advantages of low manufacturing cost, ingenious structural design, stable finished product quality and convenient use and maintenance, and is suitable for the reconstruction of various electrode boilers.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments. Through the above description of the embodiments, those skilled in the art will clearly understand that the above embodiment method can be implemented by some modifications plus the necessary general technical overlap; of course, the method can also be realized by simplifying some important technical features in the upper level. Based on such understanding, the technical solution of the present invention essentially or contributing to the prior art is: overall function and construction, and to cooperate with the structure described in the various embodiments of the present invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. A low pressure electrode boiler, comprising: the electrode bar, the furnace body, the floating water tank and the inner container;
the inner container is fixed in the furnace body, and the electrode rod is provided with an electrode; the electrode is fixed at the top of the inner container and inserted into the inner container;
a vertical water inlet pipe is arranged at the bottom of the inner container; the floating water tank is positioned in the inner container, sleeved on the water inlet pipe and capable of sliding up and down along the length direction of the water inlet pipe;
the top of the floating water tank is provided with an opening, and the top of the water inlet pipe is provided with an elbow facing the opening.
2. The low-pressure electrode boiler according to claim 1, wherein a blowdown receiving cavity is formed at the bottom of the inner container, and a blowdown pipe is arranged on the blowdown receiving cavity;
the furnace body is provided with a sewage draining seat which is connected with the sewage draining pipe.
3. The low-voltage electrode boiler according to claim 1, wherein a steam pipe is arranged on the top of the inner container, and a steam valve seat is arranged on the boiler body; the steam pipe is connected with the steam valve seat.
4. A low-pressure electrode boiler according to any of claims 1 to 3, characterized in that the floating water tank is an open-topped vessel, which is a cylindrical vessel, which opens towards the outlet of the elbow.
5. A low-pressure electrode boiler according to any of claims 1-3, characterized in that the electrode rods further comprise an insulator; the insulator is fixed outside the inner container and is connected with the electrode.
6. The low-pressure electrode boiler as claimed in any one of claims 1 to 3, wherein a safety valve seat, a water inlet seat, a water level gauge seat, a pressure gauge seat and a base are further arranged outside the boiler body;
the water level gauge seat is connected with the inner container.
7. The low-voltage electrode boiler according to any one of claims 1 to 3, wherein the bottom of the inner container is provided with an intermittent sewage discharge pipe, and the boiler body is provided with an intermittent sewage discharge seat; the intermittent sewage draining seat is connected with the intermittent sewage draining pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911385263.8A CN111156490B (en) | 2019-12-28 | 2019-12-28 | Low-voltage electrode boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911385263.8A CN111156490B (en) | 2019-12-28 | 2019-12-28 | Low-voltage electrode boiler |
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| Publication Number | Publication Date |
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| CN111156490A CN111156490A (en) | 2020-05-15 |
| CN111156490B true CN111156490B (en) | 2021-07-20 |
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| CN201911385263.8A Active CN111156490B (en) | 2019-12-28 | 2019-12-28 | Low-voltage electrode boiler |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07217812A (en) * | 1994-02-02 | 1995-08-18 | Samuson:Kk | Water level controller for vapor-water separator |
| CN105737135A (en) * | 2016-03-28 | 2016-07-06 | 湖北民族学院 | Small boiler water replenishing system |
| CN208295881U (en) * | 2018-06-14 | 2018-12-28 | 青岛奥固自动化设备有限公司 | A kind of electromagnetic heating steam generating device |
| CN208501341U (en) * | 2018-07-02 | 2019-02-15 | 张亮亮 | Vapor generating device of garment steamer priming apparatus |
| CN110195853A (en) * | 2019-06-26 | 2019-09-03 | 郭永生 | Electrode steam generator and heated by electrodes steam generation method |
| CN110230879A (en) * | 2019-07-16 | 2019-09-13 | 郭永生 | Electrode boiler electrode bar |
-
2019
- 2019-12-28 CN CN201911385263.8A patent/CN111156490B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07217812A (en) * | 1994-02-02 | 1995-08-18 | Samuson:Kk | Water level controller for vapor-water separator |
| CN105737135A (en) * | 2016-03-28 | 2016-07-06 | 湖北民族学院 | Small boiler water replenishing system |
| CN208295881U (en) * | 2018-06-14 | 2018-12-28 | 青岛奥固自动化设备有限公司 | A kind of electromagnetic heating steam generating device |
| CN208501341U (en) * | 2018-07-02 | 2019-02-15 | 张亮亮 | Vapor generating device of garment steamer priming apparatus |
| CN110195853A (en) * | 2019-06-26 | 2019-09-03 | 郭永生 | Electrode steam generator and heated by electrodes steam generation method |
| CN110230879A (en) * | 2019-07-16 | 2019-09-13 | 郭永生 | Electrode boiler electrode bar |
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| CN111156490A (en) | 2020-05-15 |
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Address after: No.63 Hefeng Road, Guangzhou Economic and Technological Development Zone, Guangzhou, Guangdong 510000 Patentee after: Guangzhou Beilong Environmental Protection Industry Technology Co.,Ltd. Address before: No.63 Hefeng Road, Guangzhou Economic and Technological Development Zone, Guangzhou, Guangdong 510000 Patentee before: Guangzhou Beilong environmental thermal equipment Co.,Ltd. |