CN209840406U

CN209840406U - Gas heating furnace

Info

Publication number: CN209840406U
Application number: CN201920115154.3U
Authority: CN
Inventors: 山崴; 山玉珠; 王贤龙; 王贺; 梁山; 梁方; 徐士伦
Original assignee: Daqing Science And Technology Co Ltd
Current assignee: Daqing Science And Technology Co Ltd
Priority date: 2019-01-23
Filing date: 2019-01-23
Publication date: 2019-12-24
Anticipated expiration: 2029-01-23

Abstract

The embodiment of the utility model relates to a heating equipment technical field discloses a gas heating furnace, including the furnace casing that the level set up, furnace casing bottom fixedly connected with supporting seat, the one end outside fixed mounting of furnace casing has the combustor, the combustor is connected with the firetube that stretches into the furnace casing, be equipped with water in the furnace casing, be connected with on the furnace casing by the heating plate, penetrate from the furnace casing outside and wear out again by the heating pipe, including the outlet pipe and the inlet tube that stretch out the furnace casing and be located the heat exchange tube of furnace casing by the heating pipe, the heat exchange tube includes a plurality of branches pipe that communicate with outlet pipe and inlet tube respectively, the branch pipe passes through the support frame and installs on the furnace casing. Divide into many spinal branch pipes with the heat exchange tube and carry out the heat transfer for the heat transfer diameter of every spinal branch pipe is less, and heat exchange efficiency is higher, solves among the prior art because the heated pipe is thicker and the difficult problem that reaches the requirement of the temperature of the heated pipe that leads to.

Description

Gas heating furnace

Technical Field

The embodiment of the utility model provides a relate to heating equipment technical field, concretely relates to gas heating furnace.

Background

The boiler is an energy conversion device, and the energy input to the boiler comprises chemical energy in fuel, electric energy, steam with certain heat energy output by the boiler, high-temperature water or an organic heat carrier. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator.

The existing gas heating furnace comprises a furnace shell arranged horizontally, a heated pipe is communicated with the upper portion of the furnace shell, water is filled in the furnace shell, a burner is installed at one end of the furnace shell and burns through gas to generate heat, the burner is connected with a fire pipe extending into the water, the burner can spray fuel and air to perform mixed combustion in a certain mode, the high-temperature air heats the water in the boiler through the wall of the fire pipe, and the water in the boiler is heated by the heated pipe.

However, in order to ensure a large flow, the heating coil is generally thick, and in the heat exchange process, water in the heating coil is not easily heated completely, so that the thermal efficiency is low, and the temperature of the water in the heated pipe is difficult to reach the requirement.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a gas heating furnace to solve among the prior art because the heated pipe is thicker and the difficult problem that reaches the requirement of the temperature of the heated pipe that leads to.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: the utility model provides a gas heating furnace, includes the furnace casing that the level set up, furnace casing bottom fixedly connected with supporting seat, the one end outside fixed mounting of furnace casing has the combustor, the combustor is connected with the firetube that stretches into the furnace casing, be equipped with water in the furnace casing, be connected with on the furnace casing by heating plate, it wears out again to penetrate from the furnace casing outside by the heating pipe, by the heating pipe including the outlet pipe and the inlet tube that stretch out the furnace casing and be located the heat exchange tube in the furnace casing, the heat exchange tube includes a plurality of branch pipes that communicate with outlet pipe and inlet tube respectively, the branch pipe passes through the support frame and installs on the furnace casing.

Through adopting above-mentioned technical scheme, fall into many spinal branchs pipe with the heat exchange tube and carry out the heat transfer for the heat transfer diameter of every spinal branch pipe is less, and heat exchange efficiency is higher, solves among the prior art because the heated pipe is thick and the difficult problem that reaches the requirement of the temperature of the heated pipe that leads to.

Preferably, a plurality of the branch pipes are spirally arranged in the furnace shell in an inner-outer structure, and the central axis of the branch pipes is along the horizontal direction.

Through adopting above-mentioned technical scheme, the branch pipe can fully contact with water in the furnace casing, and heat exchange efficiency is high, and the thermal efficiency is higher.

Preferably, the support frame comprises a plurality of support rods which are supported on the inner side surfaces of the branch pipes, the two ends of the support rods are connected together through annular connecting rings, and the top ends of the connecting rings are fixedly connected with fixing rods connected with the inner side walls of the furnace shell.

Through adopting above-mentioned technical scheme, support frame simple structure, the effect is showing.

Preferably, the branch pipes are three.

By adopting the technical scheme, the number of the branches is selected according to the water quantity and the capacity of the furnace shell, and the number of the three branches is more suitable under normal conditions.

Preferably, the top end of the fire tube is communicated with a smoke tube turning towards one side of the burner, one end of the furnace shell close to the burner is separated with a smoke chamber, the smoke tube is communicated with the smoke chamber, and the smoke chamber is provided with a smoke exhaust tube.

By adopting the technical scheme, the structure of the fire tube and the smoke tube can easily ensure that high-temperature gas generated by the burner can be subjected to heat exchange in the fire tube, the heat efficiency is higher, the structure is reasonable, and the discharged smoke can be conveniently treated.

Preferably, the bottom of one end, far away from the combustor, of the furnace shell is connected with a connecting pipe, one end, far away from the furnace shell, of the connecting pipe is communicated with an upward water level pipe, and a liquid level meter is installed at the top of the water level pipe.

Through adopting above-mentioned technical scheme, the level gauge is used for detecting the liquid level height in the stove casing.

Preferably, the water level pipe is communicated with a horizontally arranged overflow pipe.

By adopting the technical scheme, the overflow pipe can discharge excessive water as soon as possible.

Preferably, the bottom end of the furnace shell is communicated with a sewage discharge pipe.

Through adopting above-mentioned technical scheme, can be with the water discharge in the equipment.

According to the utility model discloses an embodiment has following advantage:

1. the heat exchange tube is divided into a plurality of branch tubes for heat exchange, so that the heat exchange diameter of each branch tube is smaller, the heat exchange efficiency is higher, and the problem that the temperature of a heated tube is difficult to meet the requirement due to the fact that the heated tube is thicker in the prior art is solved;

2. the branch pipes are in a spiral shape with an inner structure and an outer structure and are positioned in the furnace shell, the central axis of the branch pipes is along the horizontal direction, the branch pipes can be fully contacted with water in the furnace shell, the heat exchange efficiency is high, and the heat efficiency is high;

drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic view of an overall structure of a heating furnace provided in an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of a heating furnace provided in an embodiment of the present invention;

fig. 3 is a schematic structural view of a heated pipe provided by an embodiment of the present invention.

In the figure: 1. a furnace housing; 2. a supporting seat; 3. a burner; 4. a fire tube; 5. a smoke pipe; 6. a smoking chamber; 7. a heated pipe; 8. a water outlet pipe; 9. a water inlet pipe; 10. a heat exchange pipe; 11. a support frame; 12. a tow bar; 13. a connecting ring; 14. fixing the rod; 15. a connecting pipe; 16. a water level pipe; 17. a liquid level meter; 18. an overflow pipe; 19. a sewage discharge pipe.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

Referring to fig. 1-3, a gas heating furnace includes a furnace casing 1 horizontally disposed, the furnace casing 1 is horizontally disposed and cylindrical, a support base 2 is fixedly connected to a bottom end of the furnace casing 1, a burner 3 is fixedly mounted on an outer side of one end of the furnace casing 1, the burner 3 extends into the furnace casing 1 and is connected with a fire tube 4 located in the furnace casing 1, the fire tube 4 is horizontally disposed at a bottom of the furnace casing 1, a smoke tube 5 bent toward one side of the burner 3 is communicated with a top end of the fire tube 4, a smoke chamber 6 is partitioned at an end of the furnace casing 1 close to the burner 3, the smoke tube 5 is communicated with the smoke chamber 6, water is filled in the furnace casing 1, a heated pipe 7 is connected to the furnace casing 1, the heated pipe 7 is disposed at a top of the furnace casing 1, and the heated pipe 7 penetrates from an outer side of the furnace.

The burner 3 jets a high-temperature gaseous mixture by gas combustion and air blowing, and the high-temperature air exchanges heat with water in the furnace casing 1 in the fire tube 4 to heat the water in the furnace casing 1 and supply hot water through the water outlet pipe 8.

With reference to fig. 2 and 3, in order to make the heat exchange efficiency of the heated pipe 7 higher, the heated pipe 7 includes a water outlet pipe 8 and a water inlet pipe 9 extending out of the furnace casing 1 and a heat exchange pipe 10 located inside the furnace casing 1, the water inlet pipe 9 is located at the top end of the furnace casing 1, the water outlet pipe 8 is located at the side end of the furnace casing 1, the heat exchange pipe 10 includes three branch pipes respectively communicated with the water outlet pipe 8 and the water inlet pipe 9, but not limited to three branch pipes, the number of the branch pipes is selected according to the water amount and the capacity of the furnace casing 1, the three branch pipes are in a spiral shape with an inner structure and. The heat exchange tube 10 is divided into a plurality of branch tubes for heat exchange, so that the heat exchange diameter of each branch tube is smaller, and the heat exchange efficiency is higher.

As shown in fig. 3, the branch pipes are installed on the furnace casing 1 through the supporting frame 11, the supporting frame 11 includes a plurality of towing rods 12 supported on the inner side surfaces of the plurality of pipes, two ends of the plurality of towing rods 12 are connected together through an annular connecting ring 13, the top end of the connecting ring 13 is fixedly connected with a fixing rod 14 connected with the inner side wall of the furnace casing 1, the supporting frame 11 is simple in structure, and the effect is remarkable.

As shown in fig. 1, a connecting pipe 15 is connected to the bottom of the end of the furnace casing 1 far away from the burner 3, an upward water level pipe 16 is communicated with the end of the connecting pipe 15 far away from the furnace casing 1, a liquid level meter 17 is installed on the top of the water level pipe 16, and the liquid level meter 17 is used for detecting the liquid level height in the furnace casing 1. The water level pipe 16 is communicated with a horizontally arranged overflow pipe 18, and the overflow pipe 18 can discharge excessive water as soon as possible. The bottom end of the furnace shell 1 is communicated with a drain pipe 19, and the drain pipe 19 can drain water in the equipment.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a gas heating furnace, includes furnace casing (1) that the level set up, furnace casing (1) top is connected with by heating pipe (7), furnace casing (1) bottom fixedly connected with supporting seat (2), the one end outside fixed mounting of furnace casing (1) has combustor (3), combustor (3) are connected with firetube (4) that stretch into furnace casing (1), be equipped with water in furnace casing (1), be connected with on furnace casing (1) by heating coil, penetrate from the furnace casing (1) outside and wear out its characterized in that again by heating pipe (7): the heated pipe (7) is including outlet pipe (8) and inlet tube (9) that stretch out furnace casing (1) and be located heat exchange tube (10) of furnace casing (1), heat exchange tube (10) include a plurality of root respectively with outlet pipe (8) and inlet tube (9) the branch pipe of intercommunication, the branch pipe passes through support frame (11) and installs on furnace casing (1).

2. A gas fired heater according to claim 1, wherein: the plurality of branch pipes are in a spiral shape with an inner structure and an outer structure and are positioned in the furnace shell (1), and the central axis of the branch pipes is along the horizontal direction.

3. A gas fired heater according to claim 2, wherein: the support frame (11) comprises a plurality of support rods (12) which are supported on the inner side surfaces of the branch pipes, the two ends of each support rod (12) are connected together through an annular connecting ring (13), and the top ends of the connecting rings (13) are fixedly connected with fixing rods (14) connected with the inner side wall of the furnace shell (1).

4. A gas fired heater according to claim 1, wherein: the branch pipe is three.

5. A gas fired heater according to claim 1, wherein: the top end of the fire tube (4) is communicated with a smoke tube (5) turning towards one side of the combustor (3), one end, close to the combustor (3), of the furnace shell (1) is divided into smoke chambers (6), the smoke tube (5) is communicated with the smoke chambers (6), a smoke exhaust pipe (5) is arranged on the smoke chambers (6), and the top of each smoke chamber (6) is provided with a smoke exhaust port.

6. A gas fired heater according to claim 1, wherein: the furnace shell (1) is kept away from the one end bottom of combustor (3) and is connected with connecting pipe (15), connecting pipe (15) keep away from furnace shell (1) one end intercommunication ascending water level pipe (16), level gauge (17) are installed at the top of water level pipe (16).

7. The gas-fired heating furnace according to claim 6, wherein: an overflow pipe (18) which is horizontally arranged is communicated with the water level pipe (16).

8. A gas fired heater according to claim 1, wherein: the bottom end of the furnace shell (1) is communicated with a sewage discharge pipe (19).