CN217110533U

CN217110533U - Device for controlling fuel consumption of coal-to-gas

Info

Publication number: CN217110533U
Application number: CN202220912064.9U
Authority: CN
Inventors: 雷仪宏; 袁建平; 李敏
Original assignee: Foshan Hejingcheng Thermal Energy Technology Co ltd
Current assignee: Foshan Hejingcheng Thermal Energy Technology Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-08-02
Anticipated expiration: 2032-04-19

Abstract

The utility model discloses a device for controlling the fuel consumption of coal-to-gas, which comprises a control valve main body, wherein both sides of the lower end of the control valve main body are provided with connectors, and the connectors are connected with conveying pipelines; the utility model discloses through setting up the inside temperature sensor of kiln when using, and temperature monitor and controller, can monitor the inside temperature of kiln when using, the gas flowmeter who sets up simultaneously can detect the gas flow in the pipeline, when the inside temperature of kiln reduces below the settlement temperature, the kiln can be to temperature monitor feedback signal, and increase gas throughput volume through controller control adjusting part and make the combustor increase fuel volume, and then resume the temperature to required temperature fast, controller control adjusting part reduces the fuel throughput volume and makes the inside temperature region that keeps in the settlement of kiln in after the temperature resumes, and then the effectual inside condition of neglecting the height of kiln of having avoided.

Description

Device for controlling fuel consumption of coal-to-gas

Technical Field

The utility model relates to a fuel control technical field specifically is a coal changes gas fuel consumption controlling means.

Background

The kiln is a device built by refractory materials for sintering products, and is a necessary facility in ceramic molding. The mankind has accumulated abundant kiln-making styles and experiences in the history of ceramic firing over ten thousand years. From overground open-air stacking and pit digging and burning to a steamed bun-shaped flame-rising circular kiln, a semi-inverted-flame horseshoe-shaped kiln, a semi-slope dragon kiln and a duck egg-shaped kiln in the original society, to the current indoor air kiln and electric kiln, the kiln technology is in continuous improvement and development; the kiln is generally composed of a kiln chamber, a combustion device, a ventilation device and a conveying device. The electric kiln mostly uses electric furnace wires, silicon carbide rods or molybdenum disilicide as heating elements. The structure is simple, the operation is convenient, and in addition, the kiln with various atmospheres, the electric porcelain kiln and the like are also provided. Whether the kiln structure is reasonable and the type selection is correct directly relates to the quality of products, the yield, the energy consumption and the like, and is key equipment in ceramic production.

When the kiln uses gas fuel, the consumption of the gas fuel needs to be controlled; the prior patent CN209840688U provides a rotary kiln calcination fuel automatic control device, and the material is sent into the rotary kiln through the pushing head of rotary kiln preheater, according to the required heat of hour ton product, through the supply capacity of the governing valve distribution various fuels of each fuel of regulation combustor, stabilizes the rotary kiln operating mode, stabilizes material quality, improves product quality.

However, when the device is used, the flow of gas delivery cannot be controlled according to the internal temperature of the kiln, the temperature inside the kiln cannot be controlled, the internal temperature of the kiln cannot be suddenly raised or lowered, the quality of a processed workpiece can be influenced, and the device for controlling the fuel consumption of the coal-to-gas fuel is provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal changes gas fuel consumption controlling means to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a coal-to-gas fuel consumption control device comprises a control valve main body, wherein connecting ports are arranged on two sides of the lower end of the control valve main body, conveying pipelines are connected to the connecting ports, the conveying pipeline on one side of the control valve main body is connected with a burner inside a kiln, the conveying pipeline on the other side of the control valve main body is connected with a gas supply device, and a gas flowmeter for detecting gas flow is further arranged on the conveying pipeline;

the control valve comprises a control valve body and a valve core, wherein the control valve body is internally provided with a valve cavity communicated with two connecting ports, the valve cavity is internally provided with the valve core, the middle of the upper end surface of the valve core is connected with a sliding rod in a sliding manner, and the control valve body is also provided with an adjusting component for driving the valve core to move up and down so as to control the ventilation volume of the connecting ports;

and a temperature sensor for monitoring the temperature in the kiln is also arranged in the kiln.

As a further aspect of the present invention: the adjusting component comprises a mounting frame, the central position of the upper end of the mounting frame is rotatably connected with a threaded sleeve, the upper end of the sliding rod is fixedly connected with a threaded rod, the threaded rod is in threaded connection with the threaded sleeve, and a driving component used for driving the threaded sleeve to rotate is further arranged on the mounting frame.

As a further aspect of the present invention: the driving assembly comprises a first gear, the first gear is fixedly connected to the upper end of the threaded sleeve, a driving motor is further mounted on one side of the mounting frame, a second gear is mounted at the output end of the driving motor, and the second gear is meshed with the first gear; when the valve core works, the driving motor drives the second gear to rotate, the second gear rotates to drive the first gear to rotate, the first gear rotates to drive the threaded sleeve to rotate, the threaded sleeve rotates to drive the threaded rod to move, the threaded rod moves to drive the valve core in the valve cavity to move, and therefore the gas passing amount of the connecting port is adjusted.

As a further aspect of the present invention: the control valve main body is also provided with a controller, a temperature display is arranged at the position, above the controller, of the control valve main body, and the temperature display, the driving motor and the temperature sensor are all electrically connected with the controller; through setting up the temperature sensor in the inside kiln to and temperature monitor and controller, can monitor the inside temperature of kiln when using, the gas flowmeter who sets up simultaneously can detect the gas flow in the pipeline.

As a further aspect of the present invention: the bottom cover is arranged at the bottom of the control valve main body, flange skirts are arranged on the upper end edge side of the bottom cover and the lower end edge side of the control valve main body, and the flange skirts on the control valve main body and the bottom cover are fixed through bolts.

As a further aspect of the present invention: sealing gaskets are arranged on the bottom cover and one side, which is attached to the control valve main body, of the bottom cover; the sealing gasket that sets up can guarantee the leakproofness that the bottom is connected, avoids appearing the condition of gas leakage.

As a further aspect of the present invention: the upper end of the threaded sleeve is fixedly connected with a limiting cap.

As a further aspect of the present invention: the reference circle diameter of the first gear is larger than that of the second gear; the reference circle diameter of the first gear is larger than that of the second gear, so that a certain transmission ratio can be ensured between the two gears, and the motor can be driven more smoothly.

As a further aspect of the present invention: the end of the connecting port, which is far away from the control valve main body, is provided with a flange plate, and the connecting port and the conveying pipeline are connected by flanges; the arranged flange plate can be used for conveniently connecting the pipelines.

As a further aspect of the present invention: the gas flowmeter is installed on the conveying pipeline in a threaded butt joint mode.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses when using, through setting up temperature sensor and temperature monitor and the controller in the kiln is inside, can monitor the inside temperature of kiln when using, the gas flowmeter who sets up simultaneously can detect the gas flow in the pipeline, when the inside temperature of kiln reduces below the settlement temperature, the kiln can be to temperature monitor feedback signal, and increase gas throughput volume through controller control adjusting part and make the combustor increase fuel volume, and then resume the temperature to required temperature fast, controller control adjusting part reduces the fuel throughput volume and makes the inside temperature region that keeps in the settlement of kiln in after the temperature resumes, and then the effectual inside condition of neglecting the height of kiln of having avoided.

Drawings

Fig. 1 is a schematic structural view of a coal-to-gas fuel consumption control apparatus.

Fig. 2 is a schematic structural diagram of a main body of a control valve in a coal-to-gas fuel consumption control device.

Fig. 3 is a schematic view of the internal structure of a kiln in a coal-to-gas fuel consumption control device.

Fig. 4 is a schematic view of the internal structure of a control valve main body in a coal-to-gas fuel consumption control apparatus.

Fig. 5 is a schematic structural view of a thread bush in a coal-to-gas fuel consumption control device.

Wherein: 1. a control valve body; 2. a first gear; 3. a temperature display; 4. a gas flow meter; 5. a delivery conduit; 6. a controller; 7. a kiln; 8. a gas supply device; 9. a slide bar; 10. a drive motor; 11. a second gear; 12. a threaded rod; 13. a mounting frame; 14. a connecting port; 15. a bottom cover; 16. a valve core; 17. a valve cavity; 18. a flange skirt; 19. a burner; 20. a temperature sensor; 21. and (4) a threaded sleeve.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Example 1

Referring to fig. 1 to 5, in an embodiment of the present invention, a device for controlling the amount of coal-to-gas fuel includes a control valve main body 1, connectors 14 are disposed on both sides of a lower end of the control valve main body 1, the connectors 14 are connected to delivery pipes 5, the delivery pipe 5 on one side of the control valve main body 1 is connected to a burner 19 inside a kiln 7, the delivery pipe 5 on the other side of the control valve main body 1 is connected to a fuel gas supply device 8, and a gas flowmeter 4 for detecting a gas flow rate is further disposed on the delivery pipe 5; a flange plate is arranged at one end of the connecting port 14 away from the control valve main body 1, and the connecting port 14 and the conveying pipeline 5 are connected by flanges; the gas flowmeter 4 is installed on the conveying pipeline 5 in a threaded butt joint mode.

The airflow flowmeter adopts a thermal gas mass flowmeter, the thermal gas mass flowmeter adopts a thermal diffusion principle, and the thermal diffusion technology is a technology with excellent performance and high reliability under severe conditions. The typical sensing element includes two thermal resistance platinum RTDs, one being a speed sensor and one being a temperature sensor that automatically compensates for changes in gas temperature. When two RTDs are placed in the medium, where the speed sensor is heated to a constant temperature above ambient temperature, the other temperature sensor is used to sense the medium temperature. The mass flow of gas through the velocity sensor is calculated by the amount of heat transferred through the sensing element. The gas flow rate increases and the amount of heat carried away by the media increases. Causing the sensor temperature to decrease. In order to keep the temperature constant, the operating current through the sensor must be increased, the magnitude of this increased partial current being proportional to the flow rate of the medium.

A valve cavity 17 communicated with the two connecting ports 14 is formed in the control valve main body 1, a valve core 16 is arranged in the valve cavity 17, a sliding rod 9 is connected to the middle of the upper end face of the valve core 16 in a sliding mode, and an adjusting assembly used for driving the valve core 16 to move up and down to control the ventilation volume of the connecting ports 14 is further arranged on the control valve main body 1; the adjusting part comprises a mounting rack 13, the central position of the upper end of the mounting rack 13 is rotatably connected with a threaded sleeve 21, the upper end of the sliding rod 9 is fixedly connected with a threaded rod 12, the threaded rod 12 is in threaded connection with the threaded sleeve 21, and a driving component for driving the threaded sleeve 21 to rotate is further arranged on the mounting rack 13.

When the temperature inside the kiln 7 is reduced to be lower than the set temperature during operation, the kiln 7 feeds back signals to the temperature display 3, the controller 6 controls the adjusting assembly to increase the gas throughput to enable the fuel quantity of the burner 19 to be increased, and then the temperature is quickly recovered to the required temperature, and after the temperature is recovered, the controller 6 controls the adjusting assembly to reduce the fuel throughput to enable the inside of the kiln 7 to be kept in the set temperature area, so that the condition that the inside of the kiln 7 is suddenly raised and lowered is effectively avoided.

The driving assembly comprises a first gear 2, the first gear 2 is fixedly connected to the upper end of the threaded sleeve 21, a driving motor 10 is further mounted on one side of the mounting frame 13, a second gear 11 is mounted at the output end of the driving motor 10, and the second gear 11 is meshed with the first gear 2; the upper end of the threaded sleeve 21 is fixedly connected with a limiting cap; during adjustment, the driving motor 10 drives the second gear 11 to rotate, the second gear 11 drives the first gear 2 to rotate, the first gear 2 rotates to drive the threaded sleeve 21 to rotate, the threaded sleeve 21 rotates to drive the threaded rod 12 to move, and the threaded rod 12 moves to drive the valve core 16 in the valve cavity 17 to move, so that adjustment of the gas throughput of the connecting port 14 is realized.

The reference circle diameter of the first gear 2 is larger than that of the second gear 11; the reference circle diameter of the first gear is larger than that of the second gear, so that a certain transmission ratio can be ensured between the two gears, and the motor can be driven more smoothly.

A temperature sensor 20 for monitoring the temperature inside the kiln 7 is also arranged inside the kiln 7; through setting up the temperature sensor in the inside of kiln 7 to and temperature display 3 and controller 6, can monitor the inside temperature of kiln 7 when using, the gas flowmeter 4 that sets up simultaneously can detect the gas flow in pipeline 5.

Example 2

The difference from example 1 is: the bottom cover 15 is arranged at the bottom of the control valve main body 1, flange skirts 18 are arranged on the side of the upper end of the bottom cover 15 and the side of the lower end of the control valve main body 1, and the flange skirts 18 on the control valve main body 1 and the flange skirts 18 on the bottom cover 15 are fixed by bolts; through the detachable bottom cover 15 that sets up, can be convenient for maintain control valve main part 1 for can open bottom cover 15 when the inside damage that takes place of control valve main part 1 and carry out timely maintenance.

Sealing gaskets are arranged on one sides, which are attached to the bottom cover 15 and the control valve main body 1; the sealing gasket that sets up can guarantee the leakproofness that the bottom is connected, avoids appearing the condition of gas leakage.

The utility model discloses a theory of operation is: the utility model discloses at the during operation, through setting up the temperature sensor in kiln 7 inside, and temperature monitor 3 and controller 6, can monitor the temperature in kiln 7 when using, the gas flowmeter 4 that sets up simultaneously can detect the gas flow in pipeline 5, when kiln 7 internal temperature reduces below the temperature of setting, kiln 7 can feed back the signal to temperature monitor 3, and through controller 6 control adjusting part increaseing the gas throughput and make combustor 19 increase the fuel volume, during the regulation, driving motor 10 drives second gear 11 and rotates, second gear 11 rotates and drives first gear 2 and rotate, first gear 2 rotates and drives the thread bush 21 rotatory, the thread bush 21 is rotatory to drive threaded rod 12 and moves, threaded rod 12 moves and can drive case 16 in the valve pocket 17 and move, and then realize the regulation of connector 14 gas throughput size, the temperature can be quickly recovered to the required temperature, and after the temperature is recovered, the controller 6 controls the adjusting assembly to reduce the fuel throughput to keep the interior of the kiln 7 in a set temperature area, so that the condition that the interior of the kiln 7 is suddenly high and suddenly low is effectively avoided.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although the present description is described in terms of embodiments, not every embodiment includes only one technical solution, and such description of the embodiments is merely for clarity, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A coal-to-gas fuel usage amount control device includes a control valve main body (1), characterized in that: the two sides of the lower end of the control valve main body (1) are respectively provided with a connecting port (14), the connecting ports (14) are respectively connected with a conveying pipeline (5), the conveying pipeline (5) on one side of the control valve main body (1) is connected with a burner (19) inside a kiln (7), the conveying pipeline (5) on the other side of the control valve main body (1) is connected with a gas supply device (8), and the conveying pipeline (5) is also provided with a gas flowmeter (4) for detecting gas flow;

the control valve comprises a control valve body (1), a valve cavity (17) communicated with two connecting ports (14) is formed in the control valve body (1), a valve core (16) is arranged in the valve cavity (17), a sliding rod (9) is connected to the middle of the upper end face of the valve core (16) in a sliding mode, and an adjusting assembly used for driving the valve core (16) to move up and down to control the ventilation volume of the connecting ports (14) is further arranged on the control valve body (1);

and a temperature sensor (20) for monitoring the temperature in the kiln (7) is also arranged in the kiln (7).

2. The coal-to-gas fuel consumption control device according to claim 1, wherein the adjusting assembly comprises a mounting frame (13), a threaded sleeve (21) is rotatably connected to a central position of an upper end of the mounting frame (13), a threaded rod (12) is fixedly connected to an upper end of the sliding rod (9), the threaded rod (12) is in threaded connection with the threaded sleeve (21), and a driving assembly for driving the threaded sleeve (21) to rotate is further arranged on the mounting frame (13).

3. The coal-to-gas fuel consumption control device according to claim 2, wherein the driving assembly comprises a first gear (2), the first gear (2) is fixedly connected to the upper end of the threaded sleeve (21), a driving motor (10) is further mounted on one side of the mounting frame (13), a second gear (11) is mounted at the output end of the driving motor (10), and the second gear (11) is meshed with the first gear (2).

4. The coal-to-gas fuel consumption control device according to claim 1, wherein the control valve main body (1) is further provided with a controller (6), a temperature display (3) is arranged at a position of the control valve main body (1) above the controller (6), and the temperature display (3), the driving motor (10) and the temperature sensor (20) are all electrically connected with the controller (6).

5. The coal-to-gas fuel consumption control device according to claim 1, further comprising a bottom cover (15), wherein the bottom cover (15) is installed at the bottom of the control valve body (1), flange skirts (18) are respectively arranged on the upper end side of the bottom cover (15) and the lower end side of the control valve body (1), and the flange skirts (18) on the control valve body (1) and the flange skirts (18) on the bottom cover (15) are fixed by bolts.

6. The coal-to-gas fuel consumption control device according to claim 5, wherein a gasket is provided on both sides of the bottom cover (15) and the control valve body (1) that face each other.

7. The coal-to-gas fuel consumption control device according to claim 2, wherein a limit cap is fixedly connected to the upper end of the threaded sleeve (21).

8. A coal-to-gas fuel consumption control apparatus according to claim 3, wherein the pitch circle diameter of the first gear (2) is larger than the pitch circle diameter of the second gear (11).

9. The coal-to-gas fuel consumption control device according to claim 1, wherein a flange is arranged at one end of the connecting port (14) far away from the control valve body (1), and the connecting port (14) and the conveying pipeline (5) are connected by flanges.

10. The coal-to-gas fuel consumption control device according to claim 1, wherein the gas flowmeter (4) is installed on the delivery pipe (5) in a threaded butt joint manner.