CN207019271U - A kind of electric heater - Google Patents
A kind of electric heater Download PDFInfo
- Publication number
- CN207019271U CN207019271U CN201720491976.2U CN201720491976U CN207019271U CN 207019271 U CN207019271 U CN 207019271U CN 201720491976 U CN201720491976 U CN 201720491976U CN 207019271 U CN207019271 U CN 207019271U
- Authority
- CN
- China
- Prior art keywords
- metal
- pipe
- inner pipe
- metal inner
- cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
It the utility model is related to a kind of electric heater, including shell, metal cabinet, electric heating tube, water inlet pipe, metal inner pipe, feed tube and drain pipe, electric heating tube feedwater carries out heating and gasifying, high-temperature gas after gasification is entered in metal inner pipe by metal inner pipe air inlet, and then gas flows out from metal inner pipe gas outlet.High-temperature gas in metal inner pipe carries out the comprehensive heating in four sides by the water in metal inner pipe tube wall liquid torus.Liquid circulation chamber water is to enter liquid circulation chamber by feed tube, water flows out after being heated in liquid circulation chamber by the high-temperature gas in metal inner pipe from drain pipe, pressure becomes big after boiling water in metal cabinet, high-temperature gas is the flow velocity of metal inner pipe can be accelerated, gas temperature can also increase, the outer wall-heated area of metal inner pipe can lengthen, feeding water, the area heated is simultaneously also elongated, and the firing rate of water is fast.
Description
Technical field
Heater context is the utility model is related to, specifically a kind of electric heater.
Background technology
The common storage-type electric heater of in the market heats water with same power, and present invention heating water speed is than water storage
Wanting for formula is fast.Storage-type electric water heater is because will go out hot water while entering cold water, and such electric heating tube heating surface temperature is low, water
Temperature rise temperature is slow, and power consumption is big.
Utility model content
In order to solve the above technical problems, the purpose of this utility model, which is to provide one kind, can improve liquid firing rate, carry
The electric heater of high energy-saving benefit.
A kind of electric heater provided by the utility model, including in shell, metal cabinet, electric heating tube, water inlet pipe, metal
Pipe, feed tube and drain pipe, the metal cabinet are fixed on below the enclosure, and the electric heating tube is fixed on the gold
Belong in casing, the water inlet pipe is penetrated into outside the shell in the metal cabinet, and the metal inner pipe is fixed on described outer
Air inlet is provided with shell and positioned at the top of the metal cabinet, the lower end of the metal inner pipe, upper end is provided with gas outlet, described
Air inlet is down through into the metal cabinet, with being connected inside the metal cabinet, the gas outlet passes described outer upwards
Shell is located at the outside of the shell, and sealing shroud is provided with metal outer pipe outside the metal inner pipe, outside the metal inner pipe and metal
Formed with liquid circulation chamber between pipe, the feed tube is located at the upper part of the metal outer pipe, and the drain pipe is located at institute
The end portion of metal outer pipe is stated, the feed tube and drain pipe penetrate into the liquid circulation chamber from the housing exterior
In, the inside of the feed tube and drain pipe with the liquid circulation chamber connects.
Further, the bottom of the metal cabinet is fixed on the interior lower end of the shell by fixed column.
Further, the outer wall of the metal cabinet is provided with heat-insulation layer.
Further, the upper end of the metal cabinet is provided with superpressure relief valve, and the superpressure relief valve is located at the gold
Belong to side of the casing upper end away from the air inlet, the superpressure relief valve inside the metal cabinet with connecting.
Further, the metal inner pipe is S-type is secure around the enclosure.
Further, the upper and lower ends of the liquid circulation chamber are blocked by metal o-ring, the metal o-ring
Sealing welding is between the metal inner pipe and metal outer pipe.
By such scheme, the utility model at least has advantages below：After the water heating and gasifying of the electric heater in water
It can be always maintained at seething with excitement, high-temperature gas will be produced always.High-temperature gas can be fed water by the tube wall of metal inner pipe and be heated, gold
Pressure becomes big after belonging to the boiling water in casing, and high-temperature gas is the flow velocity of metal inner pipe can be accelerated, gas temperature can also increase, gold
The outer wall-heated area of category inner tube can lengthen, and the area for heating of feeding water while also elongated, the firing rate of water is fast.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model electric heater；
Fig. 2 is the stereogram of the utility model electric heater.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to the scope of the utility model.
Embodiment：A kind of electric heater, including shell 1, metal cabinet 4, electric heating tube 6, water inlet pipe 7, metal inner pipe 3,
Feed tube 10 and drain pipe 9, the metal cabinet are fixed on below the enclosure, and the electric heating tube is fixed on the gold
Belong in casing, the water inlet pipe is penetrated into outside the shell in the metal cabinet, and the metal inner pipe is fixed on described outer
Air inlet 14 is provided with shell and positioned at the top of the metal cabinet, the lower end of the metal inner pipe, upper end is provided with gas outlet 11,
The air inlet is down through into the metal cabinet, with being connected inside the metal cabinet, the gas outlet passes institute upwards
The outside that shell is located at the shell is stated, sealing shroud is provided with metal outer pipe 2, the metal inner pipe and gold outside the metal inner pipe
It is located at the upper part of the metal outer pipe, the drain pipe formed with liquid circulation chamber 15, the feed tube between category outer tube
Positioned at the end portion of the metal outer pipe, the feed tube and drain pipe penetrate into the liquid from the housing exterior and followed
In ring cavity, the inside of the feed tube and drain pipe with the liquid circulation chamber connects.
The bottom of the metal cabinet is fixed on the interior lower end of the shell by fixed column 5.
The outer wall of the metal cabinet is provided with heat-insulation layer 13.
The upper end of the metal cabinet is provided with superpressure relief valve 8, and the superpressure relief valve is located on the metal cabinet
Side of the end away from the air inlet, the superpressure relief valve inside the metal cabinet with connecting.
The metal inner pipe is S-type to be secure around the enclosure.
The upper and lower ends of the liquid circulation chamber are blocked by metal o-ring 12, the metal o-ring sealing welding
Between the metal inner pipe and metal outer pipe.
The operation principle of the electric heater is：Water is entered inside metal cabinet by water inlet pipe, and electric heating tube feedwater is carried out
Heating and gasifying, high-temperature gas after gasification are entered in metal inner pipe by metal inner pipe air inlet, and then gas is from metal inner pipe
Flow out gas outlet.High-temperature gas in metal inner pipe carries out the full side in four sides by the water in metal inner pipe tube wall liquid torus
The heating of position.Liquid circulation chamber water is to enter liquid circulation chamber by feed tube, and water passes through metal inner pipe in liquid circulation chamber
In high-temperature gas heated after from liquid outlet flow out., will be automatically by superpressure when metal cabinet internal pressure is excessive
Relief valve carries out pressure release.
High-temperature gas can be fed water by the tube wall of metal inner pipe and be heated, and pressure becomes big after the boiling water in metal cabinet, high
The flow velocity of metal inner pipe can be accelerated, gas temperature can also increase, the outer wall-heated area of metal inner pipe can lengthen wet body, give
The area of water heating is simultaneously also elongated, and the firing rate of water is fast.
Described above is only preferred embodiment of the present utility model, is not limited to the utility model, it is noted that
For those skilled in the art, on the premise of the utility model technical principle is not departed from, can also do
Go out some improvement and modification, these improvement and modification also should be regarded as the scope of protection of the utility model.
Claims (6)
- A kind of 1. electric heater, it is characterised in that：Including shell (1), metal cabinet (4), electric heating tube (6), water inlet pipe (7), Metal inner pipe (3), feed tube (10) and drain pipe (9), the metal cabinet are fixed on below the enclosure, and the electricity adds Heat pipe is fixed in the metal cabinet, and the water inlet pipe is penetrated into outside the shell in the metal cabinet, the metal Inner tube is fixed in the housing and positioned at the top of the metal cabinet, and the lower end of the metal inner pipe is provided with air inlet (14), upper end is provided with gas outlet (11), the air inlet down through into the metal cabinet with inside the metal cabinet Connection, the gas outlet pass the outside that the shell is located at the shell upwards, and sealing shroud is provided with outside the metal inner pipe Metal outer pipe (2), formed with liquid circulation chamber (15) between the metal inner pipe and metal outer pipe, the feed tube is positioned at described The upper part of metal outer pipe, the drain pipe are located at the end portion of the metal outer pipe, and the feed tube and drain pipe are equal Penetrated into from the housing exterior in the liquid circulation chamber, the feed tube and drain pipe are interior with the liquid circulation chamber Portion connects.
- A kind of 2. electric heater according to claim 1, it is characterised in that：The bottom of the metal cabinet passes through fixed column (5) it is fixed on the interior lower end of the shell.
- A kind of 3. electric heater according to claim 2, it is characterised in that：The outer wall of the metal cabinet is provided with insulation Layer (13).
- A kind of 4. electric heater according to claim 3, it is characterised in that：The upper end of the metal cabinet is provided with superpressure Relief valve (8), the superpressure relief valve are located at the side of the metal cabinet upper end away from the air inlet, the superpressure pressure release Valve inside the metal cabinet with connecting.
- A kind of 5. electric heater according to claim 4, it is characterised in that：The metal inner pipe is S-type to be secure around The enclosure.
- A kind of 6. electric heater according to claim 5, it is characterised in that：The upper and lower ends of the liquid circulation chamber are logical Metal o-ring (12) closure is crossed, the metal o-ring sealing welding is between the metal inner pipe and metal outer pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720491976.2U CN207019271U (en) | 2017-05-05 | 2017-05-05 | A kind of electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720491976.2U CN207019271U (en) | 2017-05-05 | 2017-05-05 | A kind of electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207019271U true CN207019271U (en) | 2018-02-16 |
Family
ID=61460817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720491976.2U Expired - Fee Related CN207019271U (en) | 2017-05-05 | 2017-05-05 | A kind of electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207019271U (en) |
-
2017
- 2017-05-05 CN CN201720491976.2U patent/CN207019271U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180216 Termination date: 20190505 |