CN213983739U

CN213983739U - Carbon fiber heating furnace for internal circulation heating of agricultural greenhouse

Info

Publication number: CN213983739U
Application number: CN202022981352.3U
Authority: CN
Inventors: 谭灵祎
Original assignee: Liaoning Green Warm Technology Co ltd
Current assignee: Liaoning Green Warm Technology Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-08-17
Anticipated expiration: 2030-12-14

Abstract

The utility model discloses a carbon fiber heating furnace for the internal circulation heating of an agricultural greenhouse, which adopts the technical proposal that a metal inner container is arranged in a furnace body, a guide plate is arranged between the outer wall of the metal inner container and the inner wall of the furnace body, the bottom end of the metal inner container is connected with a control box through a transition sleeve, an air inlet is arranged at the bottom end cone of the metal inner container, a circulating fan is arranged on the outer wall of the furnace body, and the air outlet of the circulating fan is respectively communicated with the air inlet and the guide plate of the metal inner container, heat-conducting plates are arranged at equal intervals in the inner cavity of the metal inner container, carbon fiber electric heating pipes are respectively arranged on the heat-conducting plates in an annular array and are communicated with each heat-conducting plate, the carbon fiber electric heating pipes are connected with a controller arranged in the control box, a thermocouple is arranged in the soil of the agricultural greenhouse and is positioned at the top end of a pre-buried pipeline, one end of the pre-buried pipeline is connected with a switching pipe, and the other end of the switching pipe is arranged on the ground surface of the agricultural greenhouse, the beneficial effects of meeting the requirements of planting root plants in the greenhouse and meeting the temperature in the greenhouse are obtained.

Description

Carbon fiber heating furnace for internal circulation heating of agricultural greenhouse

Technical Field

The utility model relates to a heating furnace especially relates to a carbon fiber heating furnace for heating of green house inner loop.

Background

At present, in an agricultural greenhouse, a common coal-fired boiler and a common fuel oil hot air furnace are used for heating the interior of the agricultural greenhouse, so that the temperature required by plant growth can be kept indoors, but when root plants are planted in the agricultural greenhouse, the temperature of soil in the agricultural greenhouse cannot reach the temperature required by the planted root plants due to the fact that the soil in the agricultural greenhouse is conducted by the temperature of an outdoor ground surface layer, and particularly in northeast regions of China, the phenomenon is common, and the variety of the planted plants in the agricultural greenhouse is limited.

Secondly, be used for coal fired boiler and fuel hot-blast furnace to give the indoor heating of green house and exist the drawback is: when a coal-fired boiler is used: the flue gas that coal produced in the combustion process contains carbon monoxide and the dust of burning, and a large amount of flue gas can persist in the big-arch shelter, easily leads to the working personnel to be poisoned, and the dust of burning easily falls on the plant surface and is unfavorable for crops after melting into soil and grows. When adopting the fuel hot-blast furnace: the fuel price is high, and fuel consumption is big, makes the operation cost of big-arch shelter increase, and in addition, work efficiency is also not high as coal fired boiler.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a overcome not enough among the above-mentioned technical problem, provide a carbon fiber heating furnace for heating of green house inner loop.

In order to overcome the technical problem, the utility model discloses a technical scheme is:

furnace body, pre-buried pipeline, thermocouple and switching pipe including brick are built by laying bricks or stones, its characterized in that: the furnace body is internally provided with a metal inner container, a guide plate is arranged between the outer wall of the metal inner container and the inner wall of the furnace body, the bottom end of the metal inner container is connected with a control box through a transition sleeve, an air inlet is arranged at the bottom cone of the metal inner container, a circulating fan is arranged on the outer wall of the furnace body and enables an air outlet of the circulating fan to be communicated with the air inlet and the guide plate of the metal inner container respectively, heat-conducting plates are arranged in the inner cavity of the metal inner container at equal intervals, carbon fiber electric heating pipes are respectively arranged on the heat-conducting plates in an annular array mode and are communicated with each heat-conducting plate, air outlet holes which are uniformly distributed and arranged are arranged on the heat-conducting plates, the bottoms of the carbon fiber electric heating pipes are respectively connected with a controller arranged in the control box after penetrating through cable wires through the transition sleeve, the control box is arranged at the right end of the furnace body, the top end of a support is connected with the outer wall of the furnace body, the inner wall of the furnace body is connected with an air supply port, and a thermocouple is connected with the controller in the control box, the pre-buried pipeline sets up in the soil of big canopy of agricultural, and apart from the ground surface distance value of big canopy H, the thermocouple setting is in big canopy's soil, and is located pre-buried pipeline's top, and pre-buried pipeline's pipe diameter direction connects the one end of adapter tube, and the other end setting of adapter tube is on big canopy's ground surface.

Further, the upper end part of the metal inner container is a conical opening.

Further, the upper end part of the inner wall of the furnace body is a conical opening.

Further, the distance value H between the embedded pipeline and the ground surface of the agricultural greenhouse is more than or equal to 600 mm.

Further, the carbon fiber electric heating pipe is a quartz carbon fiber heating pipe.

Furthermore, a temperature display is arranged on a door plate of the control box and connected with a controller of the control box.

Compared with the prior art, the beneficial effects of the utility model are that: adopt carbon fiber electric heating pipe to heat the hot-air that produces, carry out the heat conduction in the soil in to green house through pre-buried pipeline to realizing that the hot-air is heated in to green house through the switching pipe, the heat conductivity is good, and do not produce harmful gas when the heating, and the consumption of the energy can be saved, had both satisfied the root system plant in the green house and planted, had satisfied the temperature in the green house again, make the big-arch shelter operating cost reduce, make the operation income improve.

Drawings

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

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic layout diagram of the pre-buried pipeline in the soil of the agricultural greenhouse of the utility model.

Fig. 3 is a partially enlarged view of the area a shown in fig. 1.

Detailed Description

As shown in the figures 1-3, the furnace comprises a brick-masonry furnace body 1, an embedded pipeline 14, a thermocouple 15 and an adapter tube 18, wherein a metal inner container 2 is arranged in the furnace body 1, a guide plate 10 is arranged between the outer wall of the metal inner container 2 and the inner wall 12 of the furnace body 1, the bottom end of the metal inner container 2 is connected with a control box 7 through a transition sleeve 6, an air inlet is arranged at the bottom end cone of the metal inner container 2, a circulating fan 9 is arranged on the outer wall of the furnace body 1, the air outlet of the circulating fan 9 is respectively communicated with the air inlet of the metal inner container 2 and the guide plate 10, the guide plate 10 is in a continuous spiral shape, heat-conducting plates 4 are arranged in an inner cavity 3 of the metal inner container 2 at equal intervals, carbon fiber electric heating tubes 5 are respectively arranged on the heat-conducting plates 4 in an annular array manner and are communicated with each heat-conducting plate 4, air outlet holes 16 which are uniformly distributed and arranged are arranged on the heat-conducting plates 4, and the bottoms of the carbon fiber electric heating tubes 5 respectively penetrate through the transition sleeve 6 through cables, be connected with the controller that sets up in control box 7, the right-hand member at furnace body 1 is installed to control box 7, the top and the 1 outer wall connection of furnace body of support 8, the inner wall 12 and the air feed mouth 13 of furnace body 1 are connected, thermocouple 15 is connected with the controller in control box 7, buried pipeline 14 sets up in green house's soil, and the ground surface apart from green house apart from the value is H, thermocouple 15 sets up in green house's soil, and be located buried pipeline 14's top, the one end of adapter tube 18 is connected to buried pipeline 14's pipe diameter direction, the other end of adapter tube 18 sets up on green house's ground surface.

Furthermore, the upper end part of the metal inner container 2 is a conical opening 11.

Further, the upper end portion of the inner wall 12 of the furnace body 1 is a tapered mouth.

Further, the distance value H between the embedded pipeline 14 and the ground surface of the agricultural greenhouse is more than or equal to 600 mm.

Further, the carbon fiber electric heating tube 5 is a quartz carbon fiber heating tube.

Further, a temperature display 17 is arranged on a door panel of the control box 7, and the temperature display 17 is connected with a controller of the control box 7.

When the electric heating device works, after a controller in the control box 7 is connected with a mains supply, the carbon fiber electric heating pipe 5 quickly heats in the metal liner 2, and the heating body of the carbon fiber electric heating pipe 5 is made of pure black materials and has good heat conductivity due to high heat conductivity coefficient in the fiber direction, so that the carbon fiber electric heating pipe 5 is quickly heated in the electric heating conversion process, the electric heating conversion efficiency is up to 95%, harmful gas is not discharged in the heating process, and the electric heating device is efficient and energy-saving; part of heat generated by the carbon fiber electric heating pipe 5 is conducted to a guide plate 10 on the metal inner container 2 by a heat conduction plate 4, under the action of wind pressure generated by a circulating fan 9, after the air in the agricultural greenhouse is sucked into the circulating fan 9 by the circulating fan 9, the air enters the inner container 2 through an air inlet of the metal inner container 2 to exchange heat with the carbon fiber electric heating pipe 5, and part of the air enters the guide plate 10 to exchange heat with the guide plate 10, the air after the heat exchange of the carbon fiber electric heating pipe 5 becomes hot air, the hot air is gathered at a conical opening 11 through an air outlet hole 16 on the heat conduction plate 4, the air after the heat exchange with the guide plate 10 becomes hot air and is gathered at a conical opening of an inner wall 12 of the furnace body 1, under the action of the wind pressure of the circulating fan 9, the hot air is blown into a wind supply opening 13 together, and the hot air enters soil of the greenhouse through an embedded pipeline 14 to heat the soil, the hot air enters the greenhouse through the switching pipe 18, so that the soil in the greenhouse and the indoor of the greenhouse are heated, the circulating fan 9 sucks the air in the greenhouse into the circulating fan 9, the air in the greenhouse is heated secondarily, energy is saved, the environment is protected, and the heating efficiency is improved. When the thermocouple 15 in the agricultural greenhouse soil detects that the temperature in the agricultural greenhouse is consistent with the upper limit temperature preset on the controller, the controller is automatically powered off, and the carbon fiber electric heating pipe 5 and the air inlet circulating fan 9 stop working. When the thermocouple 15 detects that the temperature in the agricultural greenhouse is consistent with the lower limit temperature set on the controller in advance, the controller is automatically electrified, the carbon fiber electric heating pipe 5 and the circulating fan 9 start to work, further electric energy consumption is saved, meanwhile, manual guard is also avoided, and the operation time of workers is reduced.

When the carbon fiber heating furnace with a plurality of point positions is arranged in the greenhouse, the arrangement mode of the embedded pipelines 14 is shown in fig. 2, the distance value of the intervals between the adjacent embedded pipelines 14 is L, and the L value is more than or equal to 1000mm, so that the heat of the embedded pipelines 14 is uniformly conducted into the soil of the agricultural greenhouse.

The present invention is not limited to the precise arrangements described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. The utility model provides a carbon fiber heating furnace for heating of green house inner loop, includes furnace body (1), pre-buried pipeline (14), thermocouple (15) and adapter tube (18) that the brick was built by laying bricks or stones, its characterized in that: a metal inner container (2) is arranged in a furnace body (1), a guide plate (10) is arranged between the outer wall of the metal inner container (2) and the inner wall (12) of the furnace body (1), the bottom end of the metal inner container (2) is connected with a control box (7) through a transition sleeve (6), an air inlet is arranged at the bottom cone of the metal inner container (2), a circulating fan (9) is arranged on the outer wall of the furnace body (1), the air outlet of the circulating fan (9) is respectively communicated with the air inlet of the metal inner container (2) and the guide plate (10), heat-conducting plates (4) are arranged at equal intervals in an inner cavity (3) of the metal inner container (2), carbon fiber electric heating pipes (5) are respectively annularly arrayed on the heat-conducting plates (4) and are communicated with each heat-conducting plate (4), air outlet holes (16) uniformly distributed and arranged are arranged on the heat-conducting plates (4), the bottom of the carbon fiber electric heating pipes (5) respectively penetrates through the transition sleeve (6) through cables, the agricultural greenhouse air supply system is characterized by being connected with a controller arranged in a control box (7), the control box (7) is installed at the right end of a furnace body (1), the top end of a support (8) is connected with the outer wall of the furnace body (1), the inner wall (12) of the furnace body (1) is connected with an air supply port (13), a thermocouple (15) is connected with the controller in the control box (7), a pre-buried pipeline (14) is arranged in soil of the agricultural greenhouse, the distance value between the pre-buried pipeline and the ground surface of the agricultural greenhouse is H, the thermocouple (15) is arranged in the soil of the agricultural greenhouse and located at the top end of the pre-buried pipeline (14), one end of a switching pipe (18) is connected in the pipe diameter direction of the pre-buried pipeline (14), and the other end of the switching pipe (18) is arranged on the ground surface of the agricultural greenhouse.

2. The carbon fiber heating furnace for the internal circulation heating of the agricultural greenhouse as claimed in claim 1, wherein: the upper end part of the metal inner container (2) is a conical opening (11).

3. The carbon fiber heating furnace for the internal circulation heating of the agricultural greenhouse as claimed in claim 1, wherein: the upper end part of the inner wall (12) of the furnace body (1) is a conical opening.

4. The carbon fiber heating furnace for the internal circulation heating of the agricultural greenhouse as claimed in claim 1, wherein: the distance value H between the embedded pipeline (14) and the ground surface of the agricultural greenhouse is more than or equal to 600 mm.

5. The carbon fiber heating furnace for the internal circulation heating of the agricultural greenhouse as claimed in claim 1, wherein: the carbon fiber electric heating pipe (5) is a quartz carbon fiber heating pipe.

6. The carbon fiber heating furnace for the internal circulation heating of the agricultural greenhouse as claimed in claim 1, wherein: a door plate of the control box (7) is provided with a temperature display (17), and the temperature display (17) is connected with a controller of the control box (7).