CN219264354U

CN219264354U - Air inlet control device of heat conduction oil furnace

Info

Publication number: CN219264354U
Application number: CN202223363359.4U
Authority: CN
Inventors: 鲍晓波; 张虎林; 富九译; 李刚; 武拯; 吴鹏; 张永祥; 马杰
Original assignee: Inner Mongolia Wanrui Natural Gas Co ltd
Current assignee: Inner Mongolia Wanrui Natural Gas Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-06-27
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses an air inlet control device of a heat conduction oil furnace, which comprises a main body component, wherein the main body component comprises the heat conduction oil furnace, control components are arranged on two sides of the heat conduction oil furnace, and each control component comprises a combustor, an air pipeline, a second control valve, a natural gas pipeline, a third control valve, a controller, a mounting frame, a zirconia sensor and a temperature sensor; and a burner is arranged on one side of the heat conduction oil furnace. According to the utility model, the oxygen concentration in the exhaust gas is detected through the zirconia sensor, the temperature inside the hearth of the heat conduction oil furnace is detected through the temperature sensor, and signals are sent to the controller, and the second control valve and the third control valve are controlled through the controller, so that the air inflow of oxygen and natural gas is controlled, the ratio of the natural gas to the air reaches an optimal value, the potential safety hazard of exhausting combustible gas from a flue is eliminated, the heat taken away by flue gas is reduced, the combustion heat is fully utilized, the safety and environmental protection are realized, the energy consumption is reduced, and the production efficiency is improved.

Description

Air inlet control device of heat conduction oil furnace

Technical field:

the utility model relates to a control device, in particular to an air inlet control device of a heat conduction oil furnace, and belongs to the technical field of natural gas processing.

The background technology is as follows:

natural gas is all gases naturally existing in the nature, including gases formed by various natural processes in an atmosphere ring, a water ring and a rock ring, a heat conduction oil furnace is core equipment of an LNG (liquefied natural gas) production purification device, and the temperature of the heat conduction oil directly influences the purification effect of the natural gas, so that the production of LNG is influenced. The heat conduction oil furnace heats heat conduction oil by combusting natural gas, natural gas and air are mixed and combusted in a furnace chamber in a certain proportion, the proportion of the natural gas and the air is controlled by a burner, and combustion products and unburned gas are discharged through a flue.

However, the existing burner can only control the air inflow of natural gas and air through the temperature of the hearth, and can not detect whether the combustible gas in the hearth is completely combusted or not and whether the high-temperature flue gas discharged from the flue contains the combustible gas or not; when the burner has more natural gas, the discharged high-temperature flue gas contains combustible gas which is mixed with the outside air at a chimney port to easily burn so as to cause fire, and the non-combustible gas is diffused into the air to have potential safety hazard; when the combustor enters more air, a large amount of air enters and takes away more heat to be discharged through the flue gas, so that economic waste is caused, and the production cost is increased.

The utility model comprises the following steps:

the utility model aims to provide an air inlet control device of a heat conduction oil furnace, which solves one of the problems in the background art.

The utility model is implemented by the following technical scheme: the air inlet control device of the heat conduction oil furnace comprises a main body assembly, wherein the main body assembly comprises the heat conduction oil furnace, control assemblies are arranged on two sides of the heat conduction oil furnace, and each control assembly comprises a combustor, an air pipeline, a second control valve, a natural gas pipeline, a third control valve, a controller, a mounting frame, a zirconia sensor and a temperature sensor;

the utility model discloses a thermal oil stove, including the thermal oil stove, the combustor is installed to one side of thermal oil stove, air pipe is installed to one side of combustor, install the second control valve on the air pipe, natural gas pipe is installed to one side of combustor, install the third control valve on the natural gas pipe, the controller is installed to one side of thermal oil stove, zirconia sensor is installed to the bottom of mounting bracket, temperature sensor is installed to one side that the controller was kept away from to the thermal oil stove.

As a further preferred aspect of the present utility model: the main body assembly further comprises a support frame, an oil inlet pipeline, a first control valve, a high-temperature oil pump and a flue; the bottom of the heat conduction oil furnace is fixedly connected with a supporting frame.

As a further preferred aspect of the present utility model: one side fixedly connected with oil feed pipeline of conduction oil stove, oil feed pipeline's one end runs through one side of conduction oil stove.

As a further preferred aspect of the present utility model: and a first control valve is arranged on the oil inlet pipeline.

As a further preferred aspect of the present utility model: and the oil inlet pipeline is provided with a high-temperature oil pump.

As a further preferred aspect of the present utility model: one side of the heat conduction oil furnace is communicated with a flue, and the mounting frame is fixedly connected to the inner side wall of the flue.

As a further preferred aspect of the present utility model: the signal output ends of the zirconia sensor and the temperature sensor are in signal connection with the signal input end of the controller.

As a further preferred aspect of the present utility model: the electrical output end of the controller is electrically connected with the electrical input ends of the second control valve and the third control valve.

The utility model has the advantages that: according to the utility model, the oxygen concentration in the exhaust gas is detected through the zirconia sensor, the temperature inside the hearth of the heat conduction oil furnace is detected through the temperature sensor, and signals are sent to the controller, and the second control valve and the third control valve are controlled through the controller, so that the air inflow of oxygen and natural gas is controlled, the ratio of the natural gas to the air reaches an optimal value, the potential safety hazard of exhausting combustible gas from a flue is eliminated, the heat taken away by flue gas is reduced, the combustion heat is fully utilized, the safety and environmental protection are realized, the energy consumption is reduced, and the production efficiency is improved.

Description of the drawings:

in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a view angle structure according to the present utility model;

FIG. 2 is a schematic view of another view angle structure of the present utility model;

FIG. 3 is a schematic diagram of a temperature sensor according to the present utility model;

FIG. 4 is a schematic view of the internal structure of the flue according to the present utility model.

In the figure: 10. a body assembly; 11. a conduction oil furnace; 12. a support frame; 13. an oil inlet pipe; 14. a first control valve; 15. a high temperature oil pump; 17. a flue; 20. a control assembly; 21. a burner; 22. an air duct; 23. a second control valve; 24. a natural gas pipeline; 25. a third control valve; 26. a controller; 27. a mounting frame; 28. a zirconia sensor; 29. a temperature sensor.

The specific embodiment is as follows:

the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-4, the present utility model provides a technical solution: the air inlet control device of the heat conduction oil furnace comprises a main body assembly 10, wherein the main body assembly 10 comprises a heat conduction oil furnace 11, control assemblies 20 are arranged on two sides of the heat conduction oil furnace 11, and each control assembly 20 comprises a combustor 21, an air pipeline 22, a second control valve 23, a natural gas pipeline 24, a third control valve 25, a controller 26, a mounting rack 27, a zirconia sensor 28 and a temperature sensor 29;

the burner 21 is installed to one side of conduction oil stove 11, air pipe 22 is installed to one side of burner 21, install second control valve 23 on the air pipe 22, natural gas pipe 24 is installed to one side of burner 21, install third control valve 25 on the natural gas pipe 24, controller 26 is installed to one side of conduction oil stove 11, zirconia sensor 28 is installed to the bottom of mounting bracket 27, temperature sensor 29 is installed to one side of conduction oil stove 11 far away from controller 26, zirconia sensor 28 comprises zirconia and sheath, have characteristics such as sensitivity is high, response speed is fast, stability is good, be used for detecting the residual oxygen volume in the combustion process, temperature sensor 29 is used for detecting the temperature in the furnace of conduction oil stove 11, air pipe 22 is used for letting in the air into burner 21, natural gas pipe 24 is used for letting in natural gas into the furnace 21, the temperature in the furnace is improved through natural gas burning.

In this embodiment, specific: the main body assembly 10 further comprises a support frame 12, an oil inlet pipeline 13, a first control valve 14, a high-temperature oil pump 15 and a flue 17; the bottom of the heat conduction oil furnace 11 is fixedly connected with a support frame 12, and the support frame 12 plays a role in stable support.

In this embodiment, specific: one side of the heat conduction oil furnace 11 is fixedly connected with an oil inlet pipeline 13, one end of the oil inlet pipeline 13 penetrates through one side of the heat conduction oil furnace 11, heat conduction oil enters from the oil inlet pipeline 13, and is heated in a hearth of the heat conduction oil furnace 11 and then is sent out.

In this embodiment, specific: the oil inlet pipeline 13 is provided with a first control valve 14, and the first control valve 14 is used for controlling the oil inlet amount, so that the oil temperature can be kept stable.

In this embodiment, specific: the oil inlet pipeline 13 is provided with a high-temperature oil pump 15, and the high-temperature oil pump 15 is used for conveying heat conduction oil.

In this embodiment, specific: one side of the heat conduction oil furnace 11 is communicated with a flue 17, and a mounting frame 27 is fixedly connected to the inner side wall of the flue 17.

In this embodiment, specific: the signal outputs of the zirconia sensor 28 and the temperature sensor 29 are connected to the signal input of the controller 26.

In this embodiment, specific: the electrical output end of the controller 26 is electrically connected to the electrical input ends of the second control valve 23 and the third control valve 25.

Principle of operation or principle of structure: when the intelligent fuel oil burner is used, heat conduction oil is conveyed through the oil inlet pipeline 13 and the high-temperature oil pump 15, air and natural gas are respectively introduced into the burner 21 through the air pipeline 22 and the natural gas pipeline 24, the burner 21 works to improve the temperature in the hearth of the heat conduction oil burner 11, the temperature sensor 29 detects the temperature in the hearth and sends a signal to the controller 26, the zirconia sensor 28 detects the oxygen concentration of the exhaust gas and sends the signal to the controller 26, the controller 26 adjusts the second control valve 23 and the third control valve 25 according to the analog signal to change the air inflow of the air and the natural gas, so that the proportion of the natural gas and the air reaches the optimal value, the potential safety hazard of exhausting the combustible gas from the flue 17 is eliminated, the heat taken away by the flue gas is reduced, the combustion heat is fully utilized, the safety and environmental protection are realized, the energy consumption is reduced, and the production efficiency is improved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. An air inlet control device of a heat conduction oil furnace, comprising a main body assembly (10), and being characterized in that: the main body assembly (10) comprises a heat conduction oil furnace (11), wherein control assemblies (20) are arranged on two sides of the heat conduction oil furnace (11), and each control assembly (20) comprises a combustor (21), an air pipeline (22), a second control valve (23), a natural gas pipeline (24), a third control valve (25), a controller (26), a mounting frame (27), a zirconia sensor (28) and a temperature sensor (29);

the utility model discloses a solar energy heat-conducting oil stove, including burner (21) is installed to one side of heat-conducting oil stove (11), air pipe (22) is installed to one side of burner (21), install second control valve (23) on air pipe (22), natural gas pipe (24) are installed to one side of burner (21), install third control valve (25) on natural gas pipe (24), controller (26) are installed to one side of heat-conducting oil stove (11), zirconia sensor (28) are installed to the bottom of mounting bracket (27), temperature sensor (29) are installed to one side that heat-conducting oil stove (11) kept away from controller (26).

2. The heat conduction oil furnace air intake control device according to claim 1, wherein: the main body assembly (10) further comprises a supporting frame (12), an oil inlet pipeline (13), a first control valve (14), a high-temperature oil pump (15) and a flue (17); the bottom of the heat conduction oil furnace (11) is fixedly connected with a supporting frame (12).

3. The heat conduction oil furnace air intake control device according to claim 2, wherein: one side of the heat conduction oil furnace (11) is fixedly connected with an oil inlet pipeline (13), and one end of the oil inlet pipeline (13) penetrates through one side of the heat conduction oil furnace (11).

4. A conduction oil furnace air intake control apparatus as claimed in claim 3, wherein: the oil inlet pipeline (13) is provided with a first control valve (14).

5. The heat transfer oil furnace air intake control device according to claim 4, wherein: the oil inlet pipeline (13) is provided with a high-temperature oil pump (15).

6. A conduction oil furnace air intake control apparatus as claimed in claim 3, wherein: one side of the heat conduction oil furnace (11) is communicated with a flue (17), and the mounting frame (27) is fixedly connected to the inner side wall of the flue (17).

7. The heat conduction oil furnace air intake control device according to claim 1, wherein: the signal output ends of the zirconia sensor (28) and the temperature sensor (29) are connected with the signal input end of the controller (26) in a signal way.

8. The heat transfer oil furnace air intake control device according to claim 7, wherein: the electrical output end of the controller (26) is electrically connected with the electrical input ends of the second control valve (23) and the third control valve (25).