CN207857777U - A kind of electric heating hot air circulation heater - Google Patents
A kind of electric heating hot air circulation heater Download PDFInfo
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- CN207857777U CN207857777U CN201820148857.1U CN201820148857U CN207857777U CN 207857777 U CN207857777 U CN 207857777U CN 201820148857 U CN201820148857 U CN 201820148857U CN 207857777 U CN207857777 U CN 207857777U
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Abstract
The utility model discloses a kind of electric heating hot air circulation heaters, it is related to electric heating equipment technical field；The upper right side of the heater box is equipped with feed hopper, the lower-left end of the heater box is equipped with discharge bucket, the interior bottom of the heater box is equipped with several high pressure blast caps, it is provided with air duct on the upside of the high pressure blast cap, the upper end in the air duct is connect with circulating fan, the interior bottom of the heater box is provided with several electrothermal tubes, several electrothermal tubes are arranged for V-arrangement, stirring roll body is provided in the middle part of the electrothermal tube, thermocouple is installed on the side wall of the heating, the thermocouple is connect with air duct, it is provided with pressure reducer on the upside of the heater box, it is provided with discharge pipe on the upside of the pressure reducer, the end of the discharge pipe is connected with heat exchanger；The utility model saves the time, can realize stirring when heated convenient for quickly heating, and homogeneous heating, efficient.
Description
Technical field：
The utility model is related to a kind of electric heating hot air circulation heaters, belong to electric heating equipment technical field.
Background technology：
Precoated sand is invented by German Crow doctor Ning during World War II, and technical process is by the thermosetting of powdery
Property phenolic resin and roughing sand mechanical mixture, when heating cures.After develop into thermoplastic phenolic resin add latent curing agent (crow
Lip river tropine) and lubricant, precoated sand is configured to by certain coating technique, sand grain surface is coated on when precoated sand is heated
Resin melting, under the action of the methylene that Wu Luotuo precoated sand product decomposite, the resin of melting is changed rapidly by linear structure
At the three-dimensional-structure not melted, to make precoated sand curing molding, the method for the current hot method precoated sand of resin of production both at home and abroad is more
It is heated using flame, this, which not only pollutes environment, also reduces precoated sand intensity.And a large amount of thermal energy is lost, the thermal efficiency is very low, and
Sand temperature is not easy to control；And its time is long when heated for existing electrical heating type heater, and electrothermal tube is straight setting, profit
It is low with rate.
Utility model content：
In view of the above-mentioned problems, the technical problem to be solved by the present invention is to provide a kind of heating of electric heating hot air circulation
Device.
A kind of electric heating hot air circulation heater of the utility model, it includes heater box, feed hopper, discharge bucket, electric heating
Pipe, stirring roll body, thermocouple, high pressure blast cap, pressure reducer, discharge pipe, heat exchanger, air duct, circulating fan；The right side of the heater box
Upper end is equipped with feed hopper, and the lower-left end of the heater box is equipped with discharge bucket, and the interior bottom of the heater box is equipped with several
High pressure blast cap is provided with air duct on the upside of the high pressure blast cap, and the upper end in the air duct is connect with circulating fan, the heater box
Interior bottom be provided with several electrothermal tubes, several electrothermal tubes are V-arrangement arrangement, and stirring roll body is provided in the middle part of the electrothermal tube,
Thermocouple is installed, the thermocouple is connect with air duct, and decompression is provided on the upside of the heater box on the side wall of the heating
Device is provided with discharge pipe on the upside of the pressure reducer, and the end of the discharge pipe is connected with heat exchanger.
Preferably, the stirring roll body is steel rod, the outer surface of the stirring roll body is provided with several stirring blades.
Preferably, the V-shaped groove angle of several electrothermal tubes is 130-170 °.
Preferably, the heat exchanger is honeycomb heat exchanger.
Compared with prior art, the beneficial effects of the utility model are：Convenient for quickly heating, and homogeneous heating, when saving
Between, stirring can be realized when heated, it is efficient.
Description of the drawings：
The utility model is described in detail by following specific implementations and attached drawing for ease of explanation,.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the side view of heater box in the utility model.
In figure：1- heater boxes；2- feed hoppers；3- discharge buckets；4- electrothermal tubes；5- stirs roll body；6- thermocouples；7- high-pressure blasts
Cap；8- pressure reducers；9- discharge pipes；10- heat exchangers；The air ducts 11-；12- circulating fans.
Specific implementation mode：
To make the objectives, technical solutions and advantages of the present invention clearer, below by shown in the accompanying drawings
Specific embodiment describes the utility model.However, it should be understood that these descriptions are merely illustrative, and it is not intended to limit this reality
With novel range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid unnecessarily mixing
Confuse the concept of the utility model.
As shown in Figure 1 and Figure 2, present embodiment uses following technical scheme：It includes heater box 1, feed hopper 2, goes out
Hopper 3, stirring roll body 5, thermocouple 6, high pressure blast cap 7, pressure reducer 8, discharge pipe 9, heat exchanger 10, air duct 11, follows at electrothermal tube 4
Ring fan 12；The upper right side of the heater box 1 is equipped with feed hopper 2, and the lower-left end of the heater box 1 is equipped with discharge bucket 3, institute
The interior bottom for stating heater box 1 is equipped with several high pressure blast caps 7, and the upside of the high pressure blast cap 7 is provided with air duct 11, the air duct
11 upper end is connect with circulating fan 12, and the interior bottom of the heater box 1 is provided with several electrothermal tubes 4, and several electrothermal tubes 4 are V
Shape is arranged, and the middle part of the electrothermal tube 4 is provided with stirring roll body 5, and thermocouple 6 is equipped on the side wall of the heater box 1, described
Thermocouple 6 is connect with air duct 11, and the upside of the heater box 1 is provided with pressure reducer 8, and the upside of the pressure reducer 8 is provided with out
The end of air hose 9, the discharge pipe 9 is connected with heat exchanger 10.
Further, the stirring roll body 5 is steel rod, and the outer surface of the stirring roll body 5 is provided with several stirring blades.
Further, the V-shaped groove angle of several electrothermal tubes 4 is 130-170 °.
Further, the heat exchanger 10 is honeycomb heat exchanger.
The working principle of this specific embodiment: being：Sand enters heater box via feed inlet when work, and electrothermal tube 4 is by sand
Son and room temperature heating, and 4 energy V-arrangement arrangement of electrothermal tube, when can reasonably utilize the energy, and heat, sand is realized by stirring roll body 5
The stirring of son, can save heating time, hot-air recycles after high pressure blast cap enters wind turbine by air duct, and sand is heated
Boiling, while thermocouple detects and controls temperature, heating process heating room is to be in closed state, and outer layer has good heat preservation
System so that temperature is maintained at best, and the thermal efficiency is up to 95% or more.According to the difference of room temperature sand temperature heating temperature, heating
The time of 250KG sand is about 3-7 minutes；After the completion of heating, hot-air is depressurized by pressure reducer and is discharged from air outlet；And it is discharged
Gas exchange heat by heat exchanger 10, the sand heated is discharged by discharge port.
In the description of the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " company
Connect ", " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be
Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
The standardized element that the utility model uses can commercially, shaped piece according to specification and attached drawing
Record can carry out customized, the specific connection type of each part is all made of bolt ripe in the prior art, rivet, weldering
Equal conventional means are connect, machinery, part and equipment are all made of in the prior art, conventional model, in addition circuit connection is using existing
Conventional connection type in technology, this will not be detailed here.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (4)
1. a kind of electric heating hot air circulation heater, it is characterised in that：It include heater box, feed hopper, discharge bucket, electrothermal tube,
Stir roll body, thermocouple, high pressure blast cap, pressure reducer, discharge pipe, heat exchanger, air duct, circulating fan；The upper right of the heater box
End is equipped with feed hopper, and the lower-left end of the heater box is equipped with discharge bucket, and the interior bottom of the heater box is equipped with several high
Blast cap is pressed, is provided with air duct on the upside of the high pressure blast cap, the upper end in the air duct is connect with circulating fan, the heater box
Interior bottom is provided with several electrothermal tubes, and several electrothermal tubes are arranged for V-arrangement, and stirring roll body, institute are provided in the middle part of the electrothermal tube
It states and thermocouple is installed on the side wall of heating, the thermocouple is connect with air duct, and pressure reducer is provided on the upside of the heater box,
Discharge pipe is provided on the upside of the pressure reducer, the end of the discharge pipe is connected with heat exchanger.
2. a kind of electric heating hot air circulation heater according to claim 1, it is characterised in that：The stirring roll body is steel
The outer surface of rod, the stirring roll body is provided with several stirring blades.
3. a kind of electric heating hot air circulation heater according to claim 1, it is characterised in that：Several electrothermal tubes
V-shaped groove angle is 130-170 °.
4. a kind of electric heating hot air circulation heater according to claim 1, it is characterised in that：The heat exchanger is honeycomb
Formula heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820148857.1U CN207857777U (en) | 2018-01-29 | 2018-01-29 | A kind of electric heating hot air circulation heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820148857.1U CN207857777U (en) | 2018-01-29 | 2018-01-29 | A kind of electric heating hot air circulation heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207857777U true CN207857777U (en) | 2018-09-14 |
Family
ID=63459205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820148857.1U Active CN207857777U (en) | 2018-01-29 | 2018-01-29 | A kind of electric heating hot air circulation heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207857777U (en) |
-
2018
- 2018-01-29 CN CN201820148857.1U patent/CN207857777U/en active Active
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