CN211959598U

CN211959598U - Electromagnetic heater

Info

Publication number: CN211959598U
Application number: CN202020926223.1U
Authority: CN
Inventors: 刁建新
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2020-11-17
Anticipated expiration: 2030-05-27

Abstract

The utility model discloses an electromagnetic heater, including the mica pipe, the mica pipe fixer has been pegged graft respectively at the both ends of mica pipe, the inside of mica pipe has been cup jointed second steel pipe and first steel pipe by outer to interior in proper order, the both ends of first steel pipe are welded respectively and are fixed end cap of steel pipe and second fixer, and the fixed end cap of steel pipe is located one side that the second fixer is close to the reducing pipe, the fixed end cap of steel pipe and the equal welding of second fixer are at the internal surface of second steel pipe, the both ends of second steel pipe are welded respectively and are had first fixer and air-out connector, and first fixer and air-out connector all weld at the internal surface of mica pipe. The electromagnetic heater has the advantages that firstly, the heat conversion rate is high, the heat is rapidly output, zero loss of the output heat is achieved, and secondly, the heating body is improved, so that the effect of heat balance in the space can be achieved.

Description

Electromagnetic heater

Technical Field

The utility model relates to a breed field, in particular to electromagnetic heater.

Background

The existing electric heating hot air unit in the market is mainly provided with a resistance fin heating pipe, then an electromagnetic heating finned pipe is used for heating, a flat disc fan is mostly selected for use by the fan, wind-pressure-free wind power transmission of a connecting pipeline is not enough, the resistance heat conversion rate is low, although the electromagnetic heat conversion rate is high, the heating wire is limited in temperature for protection, the electromagnetic heating is mostly internal threading, the high-temperature heating wire is easy to age for a long time, so that danger occurs, the machines are mainly provided with high-power heating, the defect of large-area heating is energy consumption, the integral temperature is uneven, the user demand cannot be met, and therefore the electromagnetic heater is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides electromagnetic heater, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the electromagnetic heater comprises mica tubes, wherein mica tube holders are respectively inserted at two ends of each mica tube, a reducer tube for changing the size of an air port is connected outside one mica tube holder, a connecting seat for communicating with an air inlet of an external fan is welded at one end of the reducer tube far away from the mica tube holder,

the inside of mica pipe has cup jointed second steel pipe and first steel pipe in proper order by outer to interior, the both ends of first steel pipe are welded respectively and are fixed end cap of steel pipe and second fixer, and the fixed end cap of steel pipe is located one side that the second fixer is close to the reducing pipe, the internal surface at the second steel pipe is all welded to the fixed end cap of steel pipe and second fixer, first fixer and air-out connector have been welded respectively at the both ends of second steel pipe, and first fixer and air-out connector all weld the internal surface at the mica pipe.

Preferably, the outer diameter of the mica tube fixer is equal to the inner diameter of the mica tube, and the connecting part of the mica tube fixer and the mica tube is welded.

Preferably, the steel pipe fixing plug comprises a disc for sealing one end of the first steel pipe and four groups of supporting feet welded on the disc at equal intervals, the disc is welded with one end, close to the reducer pipe, of the first steel pipe, the outer diameter of the disc is equal to that of the reducer pipe, and the disc is welded with the inner wall of the second steel pipe through the four groups of supporting feet outside the disc.

Preferably, the second fixer and the first fixer respectively comprise a circular ring and support legs welded outside the circular ring, the support legs outside the first fixer are four groups, the circular ring inside the first fixer is welded with the second steel pipe, and the support legs outside the second fixer are three groups.

Preferably, both ends of the reducer pipe are cylindrical.

Preferably, one end of the reducer pipe is cylindrical, and the other end of the reducer pipe is square cylindrical.

Preferably, the air outlet connector is welded at one end, far away from the reducer pipe, of the second steel pipe, and the air outlet connector is located between the mica pipe and the first steel pipe.

Preferably, an outer heating ventilation layer is formed between the mica pipe and the first steel pipe, an inner heating ventilation layer is formed between the first steel pipe and the second steel pipe, and the electromagnetic wire is wound outside the mica pipe.

Compared with the prior art, the utility model discloses following beneficial effect has:

firstly, the heat conversion rate is high, heat is output quickly, and zero loss of output heat is achieved;

secondly, the invention improves the heating body, and can achieve the effect of heat balance in the space.

Drawings

Fig. 1 is a cross-sectional view of the whole electromagnetic heater of the present invention;

fig. 2 is a cross-sectional view of a first holder in the electromagnetic heater of the present invention;

FIG. 3 is a cross-sectional view of a steel pipe fixing plug in the electromagnetic heater of the present invention;

fig. 4 is a sectional view of a second holder in the electromagnetic heater of the present invention;

fig. 5 is a cross-sectional view of the air outlet connector in the electromagnetic heater of the present invention;

fig. 6 is a cross-sectional view of the electromagnetic heater of the present invention when the reducer pipe is a circular reducer pipe;

fig. 7 is a cross-sectional view of the electromagnetic heater of the present invention when the reducer pipe is a square reducer pipe.

In the figure: 1. a connecting seat; 2. a reducer pipe; 3. a mica tube holder; 4. a mica tube; 5. a first steel pipe; 6. a second steel pipe; 7. a first holder; 8. fixing a plug by a steel pipe; 9. a second holder; 10. an air outlet connector.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Comparative example

The electric heating hot-blast unit that has on the market is given first place to resistance fin heating pipe, secondly electromagnetic heating finned tube heating, the fan chooses for use mostly to be the flat dish fan, the connecting tube does not have wind pressure wind-force and carries inadequately, resistance heat conversion rate is low, although the electromagnetic heat conversion rate is high but has the temperature restriction in order to protect the heater wire, electromagnetic heating is inside threading mostly, the danger takes place for the easy ageing so of long-term high temperature heater wire, these machines all use high-power heating to give first place to, the drawback is the power consumption to large tracts of land heating, the bulk temperature is uneven, can't satisfy user demand (energy-conserving temperature is balanced).

Resistance-type air heater: a strawberry greenhouse is square meter 1000, the width is 10 meters and the length is 100 meters, the average height is 2 meters, the indoor temperature is required to be 5 ℃, the outdoor temperature is-29 ℃, a 30kw resistance-type air heater is selected, the temperature is set to be 5 ℃, a 70-meter heat transmission pipeline is matched, and the working time is 19: 00 to the next day, 7:00, 368 ℃ of power consumption, 4 ℃ of indoor temperature machines and the temperature near heat transmission pipelines, 2 ℃ below zero and other-2 ℃ of indoor temperature machines, wherein the growth of plants cannot be guaranteed, and the plants are easy to freeze and directly cause economic loss to users.

Electromagnetic air heater: a strawberry greenhouse is square meter 1000, is 10 meters wide and 100 meters long, has an average height of 2 meters, requires an indoor temperature of 5 ℃ and an outdoor temperature of-29 ℃, selects a 30kw electromagnetic hot air machine, sets the temperature at 5 ℃, is provided with a heat transmission pipeline of 70 meters, consumes 326 ℃ power every night, has the indoor temperature machine and the temperature near the heat transmission pipeline of 5 ℃, has the other temperature of-2 to 3 ℃, cannot ensure the growth of plants in a space below zero ℃, and is easy to freeze and directly causes economic loss to users.

Examples

Referring to fig. 1-7, the electromagnetic heater includes a mica tube 4, two ends of the mica tube 4 are respectively inserted with a mica tube fixer 3, and the outside of one mica tube fixer 3 is connected with a reducer pipe 2 for changing the size of an air port, one end of the reducer pipe 2 far away from the mica tube fixer 3 is welded with a connecting seat 1 for communicating with an air inlet of an external fan, wherein,

the second steel pipe 6 and the first steel pipe 5 are sequentially sleeved inside the mica pipe 4 from outside to inside, the two ends of the first steel pipe 5 are respectively welded with the steel pipe fixing plug 8 and the second fixer 9, the steel pipe fixing plug 8 is located on one side, close to the reducer pipe 2, of the second fixer 9, the steel pipe fixing plug 8 and the second fixer 9 are both welded on the inner surface of the second steel pipe 6, the two ends of the second steel pipe 6 are respectively welded with the first fixer 7 and the air outlet connector 10, and the first fixer 7 and the air outlet connector 10 are both welded on the inner surface of the mica pipe 4.

Referring to fig. 1, the outer diameter of the mica tube holder 3 is equal to the inner diameter of the mica tube 4, and the connection between the mica tube holder 3 and the mica tube 4 is welded.

Referring to fig. 1 and 3, the steel pipe fixing plug 8 includes a disk for sealing one end of the first steel pipe 5 and four sets of support legs welded to the disk at equal intervals, the disk is welded to one end of the first steel pipe 5 close to the reducer pipe 2, the outer diameter of the disk is equal to the outer diameter of the reducer pipe 2, and the disk is welded to the inner wall of the second steel pipe 6 through the four sets of support legs outside the disk.

Referring to fig. 1, 2 and 4, the second fixing device 9 and the first fixing device 7 each include a circular ring and three sets of support legs welded to the outside of the circular ring, the four sets of support legs are provided to the outside of the first fixing device 7, the circular ring is welded to the second steel pipe 6 in the inside of the first fixing device 7, and the three sets of support legs are provided to the outside of the second fixing device 9.

Referring to fig. 6, both ends of the reducer pipe 2 are cylindrical.

Referring to fig. 7, the reducer pipe 2 has a cylindrical shape at one end and a square cylindrical shape at the other end.

Referring to fig. 5, the air outlet connector 10 is welded at one end of the second steel pipe 6 far away from the reducer pipe 2, and the air outlet connector 10 is located between the mica pipe 4 and the first steel pipe 5.

Referring to fig. 1, form outer heating ventilation layer between mica pipe 4 and the first steel pipe 5, form the ventilation layer that heats in between first steel pipe 5 and the second steel pipe 6, the outside winding of mica pipe 4 has the electromagnetic wire, adopts inside and outside double-deck ventilation to heat, and inside is not established and is hindered the flow and shelters from, and the air outlet is reflux design, and the inner and outer air outlet is unanimous, and inside and outside equilibrium improves air-out temperature, amount of wind, wind pressure greatly, ensures that the fan is not impaired.

The heating part of the electromagnetic hot air blower is modified from the heat conversion rate, the internal threading is changed into the external winding, the high temperature is avoided under the condition of not limiting the heating due to the environmental temperature, and the high-temperature resistant 500-DEG C cloud bus is also selected in the aspect of selecting the heating wire. The power can be large or small to meet the requirement of modular fractional installation, the space temperature is balanced, a turbine fan with pressure is selected as the fan, the fan is not afraid of wind resistance and backflow, a sleeve pipe form is selected on the internal structure for improving the heat storage rate, a 430 stainless steel (ferrite' with excellent magnetic conduction effect) with the thickness of 6mm is selected as a middle pipe of a three-layer sleeve pipe, the heating pipe has good heating effect and high heat storage performance, a mica high-temperature pipe is arranged on the outer part and resists heat of 500 ℃, the secondary protection effect is realized on a heating wire, an internal backflow facility of a heating space is arranged at an air outlet, the internal heat is stirred and more efficiently, the air quantity of the air outlet is close to be consistent, the heat quantity of the upper and lower heating spaces is not equal due to uneven heat,

during testing, a strawberry greenhouse with the width of 10 meters and the length of 100 meters is formed by 1000 square meters, the average height is 2 meters, the indoor temperature is required to be 5 ℃, the outdoor temperature is-29 ℃, 3 10kw electromagnetic heating air heaters are selected, the temperature of each machine is set to be 8 ℃, each machine is provided with a heat transmission pipeline with the length of 30 meters, the electricity consumption is 274 ℃ every night, and the indoor temperature is 8 ℃.

Connecting seat 1: as an air inlet connected with an external fan;

the reducer pipe 2: the diameter of the heating gun barrel air port is changed into the size of a fan air port, and the heating gun barrel air port is connected with an external fan;

mica tube holder 3: the mica tube 4 is prevented from collapsing and being damaged, the mica tube 4 is fixed and is connected by adopting high-temperature-resistant 1280 ℃ glue, and the mica tube is firm, sealed and high-temperature-resistant;

a mica tube 4: the electromagnetic wire is wound, the resistance is not magnetic, and the electromagnetic wire can be uniformly wound firmly without unevenness, so that the reduction of the heat conversion rate caused by the uneven magnetic field is prevented, and the electromagnetic wire can resist the high temperature of 500 ℃;

first steel pipe 5: a heating layer, wherein 430 material steel is selected to improve the magnetic field and increase the heat transfer rate;

a second steel pipe 6: the inner sleeve is welded to the inside so as to ensure uniform heating space;

first holder 7: the air inlets are connected with the first steel pipe 5 and the second steel pipe 6, and four feet are adopted for firmer connection, so that the wind resistance is reduced;

fixing a plug 8 by a steel pipe: connecting the first steel pipe 5 and the second steel pipe 6, and sealing one end of the second steel pipe 6;

second holder 9: the air outlets connected with the first steel pipe 5 and the second steel pipe 6 have a cold air backflow function, so that the temperature of the outlet air is higher, the hot air resistance is reduced by adopting a three-foot contact point form, and the heat efficiency is improved;

air-out connector 10: the second steel pipe 6 and the mica pipe fixer 3 are connected, the temperature of the air can be higher under the action of cold air backflow, the hot air resistance is reduced by adopting a three-foot contact point mode, and the heat efficiency is improved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Electromagnetic heater, including mica pipe (4), its characterized in that: mica pipe fixators (3) are respectively inserted at two ends of the mica pipes (4), a reducer pipe (2) for changing the size of the air port is connected outside one mica pipe fixator (3), a connecting seat (1) for communicating with an air inlet of an external fan is welded at one end of the reducer pipe (2) far away from the mica pipe fixator (3),

second steel pipe (6) and first steel pipe (5) have been cup jointed by outer in proper order to the inside of mica pipe (4), the both ends of first steel pipe (5) are welded respectively and are fixed end cap (8) of steel pipe and second fixer (9), and the fixed end cap (8) of steel pipe is located one side that second fixer (9) are close to reducing pipe (2), the internal surface in second steel pipe (6) is all welded in fixed end cap (8) of steel pipe and second fixer (9), the both ends of second steel pipe (6) are welded respectively and are had first fixer (7) and air-out connector (10), and first fixer (7) and air-out connector (10) all weld the internal surface in mica pipe (4).

2. The electromagnetic heater of claim 1, wherein: the outer diameter of the mica tube fixer (3) is equal to the inner diameter of the mica tube (4), and the connecting part of the mica tube fixer (3) and the mica tube (4) is welded.

3. The electromagnetic heater of claim 1, wherein: the steel pipe fixing plug (8) comprises a disc for sealing one end of the first steel pipe (5) and four groups of supporting feet welded on the disc at equal intervals, the disc is welded with one end, close to the reducer pipe (2), of the first steel pipe (5), the outer diameter of the disc is equal to that of the reducer pipe (2), and the disc is welded with the inner wall of the second steel pipe (6) through the four groups of supporting feet outside the disc.

4. The electromagnetic heater of claim 1, wherein: the second fixer (9) and the first fixer (7) comprise circular rings and support legs welded outside the circular rings, the support legs outside the first fixer (7) are four groups, the circular rings inside the first fixer (7) are welded with the second steel pipe (6), and the support legs outside the second fixer (9) are three groups.

5. The electromagnetic heater of claim 1, wherein: both ends of the reducer pipe (2) are cylindrical.

6. The electromagnetic heater of claim 1, wherein: one end of the reducer pipe (2) is cylindrical, and the other end of the reducer pipe is square cylindrical.

7. The electromagnetic heater of claim 1, wherein: air-out connector (10) welding is kept away from the one end of reducing pipe (2) in second steel pipe (6), and air-out connector (10) are located between mica pipe (4) and first steel pipe (5).

8. The electromagnetic heater of claim 1, wherein: form outer heating ventilation layer between mica pipe (4) and first steel pipe (5), form the ventilation layer that heats in between first steel pipe (5) and second steel pipe (6), the outside winding of mica pipe (4) has the electromagnetic wire.