CN207729817U

CN207729817U - Thermal storage electric boiler

Info

Publication number: CN207729817U
Application number: CN201820091088.6U
Authority: CN
Inventors: 赵静
Original assignee: Pacific Electric Power Energy Co Ltd
Current assignee: Pacific Electric Power Energy Co Ltd
Priority date: 2018-01-19
Filing date: 2018-01-19
Publication date: 2018-08-14
Anticipated expiration: 2028-01-19

Abstract

The utility model discloses a kind of thermal storage electric boilers, including boiler body, heat exchanger tube and solar heat-exchange device, the top of the boiler body has water inlet, the side of the boiler body is provided with water outlet, in the electrothermal tube for being internally provided with electrical heating of the boiler body, electrothermal tube uses mains-supplied, the heat exchanger tube is combined with water inlet pipe, the both ends of the water inlet pipe both pass through the heat exchanger tube, it is welded with heat exchange fin in that part that the water inlet pipe is located in the heat exchanger tube, one end of the water inlet pipe connects water system, the other end is connected to the water inlet, the solar heat-exchange device is internally provided with coil pipe, one end of the coil pipe connects water system, the other end is connected with aqueduct, the aqueduct connects the water inlet；Solar energy accumulation may be used in the present apparatus, increases inflow temperature, reduces electrical heating number, reduces energy consumption.

Description

Thermal storage electric boiler

Technical field

The utility model is related to a kind of thermal storage electric boilers.

Background technology

The major way of electric boiler cell hot water supply, in use it was found that the main concentration of electric boiler hot water supply Between 18 points to 22 points, and the hot water supply at daytime and midnight is less, and traditional electrothermal furnace makes water by consuming electric energy Temperature remains at 80 DEG C or more, and energy consumption is higher.

Based on the above issues, it is desirable to provide solar energy accumulation may be used in one kind, increases inflow temperature, reduces electrical heating time Number, reduces the thermal storage electric boiler of energy consumption.

Utility model content

The technical problem to be solved by the utility model is to provide one kind, and solar energy accumulation may be used, and increases into water temperature Degree reduces electrical heating number, reduces the thermal storage electric boiler of energy consumption.

The utility model is achieved through the following technical solutions：

A kind of thermal storage electric boiler, including boiler body, heat exchanger tube and solar heat-exchange device, the top of the boiler body With water inlet, the side of the boiler body is provided with water outlet, is used in the electrical heating that is internally provided with of the boiler body Electrothermal tube, electrothermal tube uses mains-supplied, the heat exchanger tube to be combined with water inlet pipe, and the both ends of the water inlet pipe both pass through described Heat exchanger tube is welded with heat exchange fin, one end of the water inlet pipe in that part that the water inlet pipe is located in the heat exchanger tube Water system is connected, the other end is connected to the water inlet, and the solar heat-exchange device is internally provided with coil pipe, the coil pipe One end connect water system, the other end is connected with aqueduct, which connects the water inlet, the top of the boiler body Portion is provided with the steam pipeline for connecting the heat exchanger tube.

Preferably, the surface of the heat exchange fin is provided with the heat exchanging holes of vapor, can be increased by heat exchanging holes Add the contacting efficiency with water vapour.

Preferably, the surface of the heat exchange fin is provided with the heat exchange slot of vapor and water, can be with by exchanging heat slot Increase the contacting efficiency with water vapour.

Preferably, that one end of coil pipe connection water system is in series with a check valve, can be to avoid by check valve The water adverse current of coil pipe so that the water of solar temperature rising can be unidirectionally flowed into boiler body.

Preferably, the bottom of the heat exchanger tube be provided with recycling water recovery at droplet recovery tube, described time The first check valve is provided in closed tube, the recovery tube connects the aqueduct.

Preferably, it is provided with an exhaust pipe at the top of the heat exchanger tube, relief valve is combined at the exhaust pipe, in institute It states and is provided with downtake pipe at the top of boiler body, be combined with the first relief valve at the downtake pipe, described first Pressure needed for the pressure release of relief valve is more than the vent pressure of the relief valve, when relief valve blocks, in boiler body Pressure increase, pass through the first relief valve pressure release at this time.

Preferably, the solar heat-exchange device includes shell, thermal insulation board is disposed in the inside of the shell, described The interior bottom of shell is equipped with absorber plate, and the absorber plate is arranged upward, and the surface of the shell is provided with armorplate glass, institute State the top that the absorber plate is arranged in after coil pipe is bent.

Preferably, the absorber plate is stainless steel plate.

The utility model has the beneficial effects that：The present apparatus can be increased on daytime using solar energy in actual use Inflow temperature, and then reduce electrically heated number and reduce energy consumption, electrical heating may be used at night and heat up, heat up generation Water vapour, which enters, realizes heat exchange in heat exchanger tube, improve inflow temperature, reduces heating energy consumption, and the structure of the present apparatus is relatively simple, Cost is more cheap, is suitble to promote the use of.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other drawings may also be obtained based on these drawings.

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the side view of heat exchange fin；

Fig. 3 is the structural schematic diagram of solar heat-exchange device.

Specific implementation mode

All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive Feature and/or step other than, can combine in any way.

Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only It is an example in a series of equivalent or similar characteristics.

In the description of the present invention, it should be understood that term " one end ", " other end ", " outside ", "upper", " interior The orientation or positional relationship of the instructions such as side ", "horizontal", " coaxial ", " center ", " end ", " length ", " outer end " is based on attached drawing Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or imply institute The device or element of finger must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this reality With novel limitation.

In addition, in the description of the present invention, the meaning of " plurality " is at least two, such as two, three etc., unless Separately there is clearly specific restriction.

In the present invention unless specifically defined or limited otherwise, term " setting ", " connection ", " passes through at " socket " Wear ", the terms such as " grafting " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

A kind of thermal storage electric boiler as shown in Figure 1, Figure 2 and Figure 3, including boiler body 1, heat exchanger tube 2 and solar heat-exchange The top of device 3, the boiler body 1 has water inlet 101, and the side of the boiler body 1 is provided with water outlet 102, pot Furnace body uses double-layer structure, middle position sandwiched heat-preservation cotton to be completely cut off, and increases heat insulation effect, and internal layer is ceramic structure, Outer layer is stainless steel structure, and in the electrothermal tube 4 for being internally provided with electrical heating of the boiler body 1, electrothermal tube 4 uses alternating current Power supply, the heat exchanger tube 2 are combined with water inlet pipe 201, and the both ends of the water inlet pipe 201 both pass through the heat exchanger tube 2, the water inlet Heat exchange fin 211 is welded in that part that pipe 201 is located in the heat exchanger tube 2, one end connection of the water inlet pipe 2 is supplied water System, the other end are connected to the water inlet 101, and the solar heat-exchange device 3 is internally provided with coil pipe 301, the coil pipe 301 one end connects water system, and the other end is connected with aqueduct 302, which connects the water inlet 101, described The top of boiler body 1 is provided with the steam pipeline 161 for connecting the heat exchanger tube 1.

The surface of a preferred embodiment in the utility model, the heat exchange fin 211 is provided with vapor use Heat exchanging holes 221, can increase the contacting efficiency with water vapour by heat exchanging holes.

A preferred embodiment in the utility model, the surface of the heat exchange fin 211 be provided with vapor and The heat exchange slot 222 of water, by exchanging heat, slot can increase the contacting efficiency with water vapour.

A preferred embodiment in the utility model, that one end that the coil pipe 301 connects water system are in series with one Check valve 311, can be to avoid the water adverse current of coil pipe by check valve so that the water of solar temperature rising can unidirectionally be flowed into boiler In ontology.

A preferred embodiment in the utility model, the bottom of the heat exchanger tube 2 be provided with recycling water recovery at Droplet recovery tube 5, be provided with the first check valve 501 on the recovery tube 5, the recovery tube 5 connects the aqueduct 302。

The top of a preferred embodiment in the utility model, the heat exchanger tube 2 is provided with an exhaust pipe 6, described It is combined with relief valve 601 at exhaust pipe 6, the top of the boiler body 1 is provided with downtake pipe 7, in the first row The first relief valve 701 is combined at tracheae 7, the pressure needed for the pressure release of first relief valve is more than the pressure release of the relief valve Pressure, when relief valve blocks, the pressure in boiler body increases, and passes through the first relief valve pressure release at this time.

A preferred embodiment in the utility model, the solar heat-exchange device 3 includes shell 331, in the shell The inside of body 331 is disposed with thermal insulation board (not shown), and absorber plate 332, the heat absorption are equipped in the interior bottom of the shell 331 Plate 332 is arranged upward, and the surface of the shell 331 is provided with armorplate glass 333, and the suction is arranged in after the coil pipe bending The top of hot plate.

A preferred embodiment in the utility model, the absorber plate 332 are stainless steel plate, and the surface of absorber plate polishes Processing.

Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to In this, any change or replacement expected without creative work should be covered within the scope of the utility model. Therefore, the scope of protection of the utility model should be determined by the scope of protection defined in the claims.

Claims

1. a kind of thermal storage electric boiler, it is characterised in that：Including boiler body, heat exchanger tube and solar heat-exchange device, the boiler There is water inlet, the side of the boiler body to be provided with water outlet at the top of ontology, be arranged in the inside of the boiler body There are the electrothermal tube of electrical heating, electrothermal tube that mains-supplied, the heat exchanger tube is used to be combined with water inlet pipe, the both ends of the water inlet pipe Both pass through the heat exchanger tube, be welded with heat exchange fin in that part that the water inlet pipe is located in the heat exchanger tube, it is described into One end of water pipe connects water system, and the other end is connected to the water inlet, and the solar heat-exchange device is internally provided with disk One end of pipe, the coil pipe connects water system, and the other end is connected with aqueduct, which connects the water inlet, described The steam pipeline for connecting the heat exchanger tube is provided at the top of boiler body.

2. thermal storage electric boiler according to claim 1, it is characterised in that：The surface of the heat exchange fin is provided with water The heat exchanging holes of steam.

3. thermal storage electric boiler according to claim 1, it is characterised in that：The surface of the heat exchange fin is provided with water The heat exchange slot of steam and water.

4. thermal storage electric boiler according to claim 1, it is characterised in that：That one end string of the coil pipe connection water system It is associated with a check valve.

5. thermal storage electric boiler according to claim 1, it is characterised in that：The bottom of the heat exchanger tube is provided with recycle-water steaming The recovery tube for the droplet that vapour condenses into, the first check valve is provided on the recovery tube, and the recovery tube connects the water guide Pipe.

6. thermal storage electric boiler according to claim 1, it is characterised in that：An exhaust is provided at the top of the heat exchanger tube Pipe, is combined with relief valve at the exhaust pipe, downtake pipe is provided at the top of the boiler body, described first The first relief valve is combined at exhaust pipe, the pressure needed for the pressure release of first relief valve is more than the pressure release pressure of the relief valve Power, when relief valve blocks, the pressure in boiler body increases, and passes through the first relief valve pressure release at this time.

7. thermal storage electric boiler according to claim 1, it is characterised in that：The solar heat-exchange device includes shell, The inside of the shell is disposed with thermal insulation board, and absorber plate is equipped in the interior bottom of the shell, and the absorber plate is arranged upward, The surface of the shell is provided with armorplate glass, and the top of the absorber plate is arranged in after the coil pipe bending.

8. thermal storage electric boiler according to claim 7, it is characterised in that：The absorber plate is stainless steel plate.