Energy-saving gas heating device

Abstract

The utility model discloses an energy-saving gas heating device, which belongs to the technical field of gas fan heaters and comprises a frame, a box body and a control box, the frame and the box body are detachably fixed through bolts, the control box and the outer wall of the box body are fixedly mounted through bolts, and a combustion chamber and a heat exchange chamber are symmetrically arranged on two sides in the box body; the combustion chamber and the heat exchange chamber are separately designed, the spirally stacked heat exchange bent pipes are arranged in the heat exchanger, high-temperature gas after combustion is introduced into the heat exchange bent pipes, spiral rising is achieved, air entering from the bottom in the heat exchange chamber fully makes contact with the heat exchange bent pipes for heat exchange, and then the air rises; in this way, the circulation time of the high-temperature gas in the heat exchanger is greatly prolonged, then heat can be sufficiently exchanged into natural air, efficient utilization of heat energy is facilitated, and fuel gas energy consumption is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas warm air blower technical field, in particular to a kind of energy-saving gas heating device. BACKGROUND

[0002] Warm air blower is a energy conversion equipment, the energy input into warm air blower has chemical energy in fuel, electric energy, heat energy of high-temperature flue gas and the like, and after conversion, warm air blower is exported to outside with certain heat energy, warm air, hot air, high-temperature air.Warm air blower includes combustion system and fan two parts, combustion system generates huge heat and then blows out heat by fan.Warm air produced in warm air blower can directly provide required heat energy or warm air for industrial production and people's life, and large-scale warm air blower is mainly used in industry, and small-scale warm air blower is mainly used in life.

[0003] The existing gas warm air blower, combustion chamber and heat exchanger are integrated structure, the heat exchange structure in heat exchanger is relatively compact, the high-temperature flue gas discharged in combustion chamber is short in buffer time in heat exchanger, and then the heat exchange time with air is short, heat exchange is insufficient, and the utilization efficiency of flue gas heat energy is reduced, and energy consumption is increased.

[0004] To solve the above problems, an energy-saving gas heating device is provided. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of energy-saving gas heating devices, solve the problems mentioned in the above background art.

[0006] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0007] An energy-saving gas heating device, comprising a rack, a box body and a control box, the rack and the box body are detachably fixed by bolts, the control box and the outer wall of the box body are fixed and installed by bolts, the inside of the box body is symmetrically provided with a combustion chamber and a heat exchange chamber on both sides;

[0008] The heat exchange chamber is fixed with a spiral heat exchange elbow pipe inside through a support, the heat exchange elbow pipe is communicated with a waste gas leading-out pipe at the bottom, the heat exchange elbow pipe is communicated with a waste gas exhaust pipe at the top, the waste gas leading-out pipe is inserted into the top of the combustion chamber, and the waste gas exhaust pipe extends to the outside of the box body and is fixed;

[0009] The inner bottom of the combustion chamber is fixed with a combustion nozzle, the bottom of the combustion nozzle is sealingly connected with a gas distribution plate, and the bottom of the gas distribution plate is provided with a second air blower.

[0010] Further, one side of the control box is fixed with a first air blower through bolts, an air supply pipe communicated with the heat exchange chamber is arranged on the output end of the first air blower, and the other side of the control box is fixed with an operation panel.

[0011] Further, one side of the operation panel is provided with a gas pipe penetrating through the control box and the box body, a gas distribution plate is connected after the gas pipe enters the box body, a gas distribution chamber is arranged in the gas distribution plate, and a through hole structure communicated with the second air blower is arranged at the center.

[0012] Further, the gas distribution chamber is in sealed communication with the combustion nozzle, a plurality of combustion nozzles are arranged on the combustion nozzle, and an ignition electrode is arranged on one side of the combustion nozzle.

[0013] Further, the combustion chamber and the heat exchange chamber are covered with a heat preservation layer.

[0014] Further, an air outlet pipe is arranged on one side of the outer wall of the heat exchange chamber, and the air outlet end of the air outlet pipe extends to the outside of the box body.

[0015] The beneficial technical effects of the utility model are as follows:

[0016] The combustion chamber and the heat exchange chamber are designed separately, the heat exchange elbow pipes are arranged in the heat exchanger in a spiral stacking mode, the high-temperature gas after combustion is introduced into the heat exchange elbow pipes, the air entering from the bottom of the heat exchange chamber rises after being fully contacted and heat-exchanged with the heat exchange elbow pipes, and then the air enters the air outlet pipe from the top opening and is discharged to the outside, so that the flow time of the high-temperature gas in the heat exchanger is greatly improved, and the heat exchange to the natural air is fully realized, which is beneficial to the efficient utilization of heat energy and reduces the energy consumption of the gas. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view structural schematic diagram of a preferred embodiment of the energy-saving gas heating device according to the utility model;

[0018] Figure 2 It is a bottom structure schematic diagram of a preferred embodiment of the energy-saving gas heating device according to the utility model;

[0019] Figure 3 It is a structure schematic diagram of the box body and the control box after the cover is opened in a preferred embodiment of the energy-saving gas heating device according to the utility model;

[0020] Figure 4 It is an internal structure schematic diagram of the box body in a preferred embodiment of the energy-saving gas heating device according to the utility model;

[0021] Figure 5This is a front view of the heat exchange chamber and combustion chamber in a preferred embodiment of an energy-saving gas heating device according to the present invention;

[0022] Figure 6 This is a secondary sectional view of the gas distribution plate in a preferred embodiment of an energy-saving gas heating device according to the present invention.

[0023] The annotations in the attached figures are explained as follows:

[0024] 1. Frame; 2. Housing; 3. Control box; 4. Gas outlet pipe; 5. Second blower; 6. First blower; 7. Air supply pipe; 8. Control panel; 9. Gas pipe; 10. Heat exchange chamber; 11. Combustion chamber; 12. Combustion nozzle; 13. Exhaust gas outlet pipe; 14. Heat exchange bend; 15. Exhaust gas discharge pipe; 16. Gas distribution plate. Detailed Implementation

[0025] To enable those skilled in the art to understand the technical solution of this utility model more clearly, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings, but the implementation of this utility model is not limited thereto.

[0026] like Figures 1-6 As shown, this embodiment provides an energy-saving gas heating device, including a frame 1, a housing 2, and a control box 3. The frame 1 and the housing 2 are detachably fixed by bolts, and the control box 3 is fixedly installed to the outer wall of the housing 2 by bolts. The housing 2 has a combustion chamber 11 and a heat exchange chamber 10 symmetrically arranged on both sides. The heat exchange chamber 10 has a spiral heat exchange bend 14 fixed inside by a bracket. The bottom of the heat exchange bend 14 is connected to a waste gas outlet pipe 13, and the top of the heat exchange bend 14 is connected to a waste gas discharge pipe 15. The waste gas outlet pipe 13 is inserted into the top of the combustion chamber 11, and the waste gas discharge pipe 15 extends to the outside of the housing 2 and is fixed. A combustion nozzle 12 is fixed through the bottom of the combustion chamber 11, and a gas distribution plate 16 is sealed to the bottom of the combustion nozzle 12. A second blower 5 is provided at the bottom of the gas distribution plate 16.

[0027] In the above structure, the second blower 5 is used to inject combustion-supporting natural air into the combustion chamber 11 and to promote the flow of hot air after combustion, so as to realize the heat exchange between the hot air and natural air in the heat exchange chamber 10; an electric spark igniter is provided on one side of the combustion nozzle 12, and the igniter is connected to the control system for convenient ignition.

[0028] A first blower 6 is fixed to one side of the control box 3 by bolts. An air supply pipe 7 connected to the heat exchange chamber 10 is provided on the output end of the first blower 6. An operation panel 8 is fixed to the other side of the control box 3. The first blower 6 is used to send clean natural air into the heat exchange chamber 10 and achieve air collision with the densely stacked heat exchange bends 14. The blower 6 fully contacts the heat exchange bends 14 for heat exchange in the heat exchange chamber 10. Finally, the hot air is pushed out from the top.

[0029] The operation panel 8 is provided with a gas pipe 9 penetrating through the control box 3 and the box body 2, and the gas pipe 9 is connected with a gas distribution plate 16 after entering the box body 2, the gas distribution plate 16 is internally provided with a gas distribution chamber, and a through hole structure communicated with the second air blower 5 is arranged in the center, the operation panel 8 can control the power of the first air blower 6 and the second air blower 5, control the electromagnetic valve on the gas pipe 9 to control the entering amount of gas, and then achieve the purpose of temperature control.

[0030] The gas distribution chamber is in sealed communication with the combustion nozzle 12, a plurality of combustion nozzles are arranged on the combustion nozzle 12, and a ignition electrode is arranged on one side of the combustion nozzle; the gas distribution chamber diffuses after the fixed pressure gas is introduced, and is distributed to the small nozzles, so that efficient combustion is realized.

[0031] The combustion chamber 11 and the heat exchange chamber 10 are both externally covered with a heat preservation layer, and the inner lining of the combustion chamber 11 is made of high-temperature resistant material.

[0032] An air outlet pipe 4 is arranged on one side of the outer wall of the heat exchange chamber 10, and the air outlet end of the air outlet pipe 4 extends to the outside of the box body 2, and the air outlet pipe 4 can be externally connected to a building that needs to be cooled or heated.

[0033] The working principle of the device is as follows: when the device is used, an external power supply is connected.

[0034] The gas pipe 9 is connected with the external gas conveying device to send the natural gas with fixed pressure into the gas distribution plate 16, and then into the combustion nozzle 12 and is distributed to a plurality of small nozzles; the second air blower 5 sucks the combustion-supporting air from the outside into the center of the combustion nozzle 12 from the center of the gas distribution plate 16, and stores it in the combustion chamber 11; the ignition system ignites the natural gas, and the heated air rises to the top and enters the heat exchange elbow pipe 14 in the heat exchange chamber 10 from the waste gas outlet pipe 13, and then spirally rises from the bottom of the heat exchange elbow pipe 14 and is discharged from the top of the heat exchange elbow pipe 14, and is discharged to the outside through the waste gas discharge pipe 15; the bottom of the heat exchange chamber 10 is connected with the first air blower 6 to introduce the external natural air, which also rises from the bottom of the heat exchange chamber 10 and uniformly contacts the heat exchange elbow pipe 14 to exchange heat; the high-temperature natural air after heat exchange is discharged to the outside through the air outlet pipe 4 for heating.

[0035] The above structure can greatly improve the heat exchange efficiency of the high-temperature gas after combustion and the natural air, and then improve the heat efficiency of the gas, so as to save the energy consumption of the gas.

[0036] The above is only a further embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the disclosed range, which belongs to the protection scope of the present application.

[0037] The standard parts used in the present application can be purchased from the market, and can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the mechanical, parts and equipment adopt the conventional type in the prior art, the control mode is automatically controlled through the controller, the control circuit of the controller can be realized through simple programming by the person skilled in the art, which belongs to the common knowledge in the art, and the present application is mainly used to protect the mechanical device, so the control mode and circuit connection are not explained in detail.

Claims

1. An energy-saving gas heating device, comprising a frame (1), a housing (2), and a control box (3), characterized in that: The frame (1) and the housing (2) are detachably fixed by bolts. The control box (3) is fixed to the outer wall of the housing (2) by bolts. The housing (2) has a combustion chamber (11) and a heat exchange chamber (10) symmetrically arranged on both sides inside. The heat exchange chamber (10) is fixed inside by a support with a spiral heat exchange bend (14). The bottom of the heat exchange bend (14) is connected to a waste gas outlet pipe (13), and the top of the heat exchange bend (14) is connected to a waste gas discharge pipe (15). The waste gas outlet pipe (13) is inserted into the top of the combustion chamber (11), and the waste gas discharge pipe (15) extends to the outside of the box body (2) and is fixed. A combustion nozzle (12) is fixedly installed through the bottom of the combustion chamber (11). A gas distribution plate (16) is sealed to the bottom of the combustion nozzle (12). A second blower (5) is installed at the bottom of the gas distribution plate (16).

2. The energy-saving gas heating device according to claim 1, characterized in that: The first blower (6) is fixed to one side of the control box (3) by bolts. An air supply pipe (7) communicating with the heat exchange chamber (10) is provided on the output end of the first blower (6). An operation panel (8) is fixed to the other side of the control box (3).

3. The energy-saving gas heating device according to claim 2, characterized in that: A gas pipe (9) is provided on one side of the operation panel (8) and passes through the control box (3) and the box body (2). After the gas pipe (9) enters the box body (2), it is connected to the gas distribution plate (16). The gas distribution plate (16) has a gas distribution chamber inside and a through hole structure in the center that communicates with the second blower (5).

4. The energy-saving gas heating device according to claim 3, characterized in that: The gas distribution chamber is sealed and connected to the combustion nozzle (12). The combustion nozzle (12) is provided with a plurality of combustion nozzles, and an ignition electrode is installed on one side of each combustion nozzle.

5. The energy-saving gas heating device according to claim 4, characterized in that: Both the combustion chamber (11) and the heat exchange chamber (10) are covered with an insulation layer.

6. The energy-saving gas heating device according to claim 5, characterized in that: An air outlet pipe (4) is installed on one side of the outer wall of the heat exchange chamber (10), and the air outlet end of the air outlet pipe (4) extends to the outside of the box body (2).

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