CN216620651U

CN216620651U - Kiln combustion control system suitable for various phosphates at different control temperatures

Info

Publication number: CN216620651U
Application number: CN202121624120.0U
Authority: CN
Inventors: 钟正林; 孟永昆; 史新颖
Original assignee: Sichuan Jindi Yamei Technology Co ltd
Current assignee: Sichuan Jindi Yamei Technology Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-05-27
Anticipated expiration: 2031-07-16

Abstract

The utility model relates to the technical field of phosphate processing equipment, and discloses a kiln combustion control system suitable for various phosphates at different control temperatures. This be fit for many varieties phosphate stove burning control system under different control temperature, adopt the natural gas as fuel, the tail gas that the burning produced passes through the box and discharges, the air-blower transmits outside air to the box in and carries out the heat exchange with tail gas, transmit to the stove originally internally at last, improve inside heating efficiency and for the burning provides oxygen, the inside of stove body is provided with temperature sensor one, the gas vent is provided with temperature sensor two, temperature and tail gas temperature when burning are measured respectively, and with data transmission to control panel, the air input through electric control valve control natural gas, make the inside temperature fluctuation range of stove body littleer, thereby improve the stability of product.

Description

Kiln combustion control system suitable for various phosphates at different control temperatures

Technical Field

The utility model relates to the technical field of phosphate processing equipment, in particular to a kiln combustion control system suitable for various phosphates at different control temperatures.

Background

The production of the anhydrous phosphate can realize the production of various products by using one production line without opening a kiln, drying, dehydrating and polymerizing processes, is a preferred investment scheme of middle and small enterprises at present, has the advantages of less investment, short construction period, less number of workers, simple operation, quick product replacement and the like, and can realize the production of more than 10 anhydrous phosphate products on one production line.

At present, most anhydrous phosphates are low in total energy, and because various types of production are carried out, the required temperatures of a hearth and tail gas are different, the temperature in a kiln is stable by manually controlling the size of a heat source, and full-automatic intelligent control is difficult to realize in process control.

Disclosure of Invention

Technical problem to be solved

The utility model aims to provide a furnace kiln combustion control system suitable for various phosphates under different control temperatures, and aims to solve the problems that the total energy of most anhydrous phosphates is not high, the temperature in a furnace kiln is stable by manually controlling the heat source due to various production types and different temperatures of a required furnace chamber and tail gas, and the full-automatic intelligent control is difficult to realize in process control.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the kiln combustion control system suitable for various phosphates under different control temperatures comprises a kiln body, an electric regulating valve is arranged on the outer side of the kiln body, an air inlet pipe is arranged at one end of the electric regulating valve, a transmission pipe is arranged in the kiln body, a burner is arranged on the inner side of the kiln body, the upper end of the kiln body is provided with an exhaust port, the upper end of the kiln body is provided with a box body, a baffle plate is arranged at the inner side of the box body, an exhaust pipe is arranged at the upper end of the box body, a blower is arranged at the outer side of the box body, the inside of the clapboard is provided with a finned tube, the outside of the box body is provided with a ventilation pipe, the inside of the ventilation pipe is provided with a flame arrester, the inner side of the kiln body is provided with a first temperature sensor, the inner side of the exhaust port is provided with a second temperature sensor, and the outer side of the kiln body is provided with a control panel.

Preferably, the electric control valve is electrically connected with the control panel, the other end of the electric control valve is mutually communicated with the transmission pipe, the air inlet pipe is connected with the natural gas supply system, the natural gas is transmitted to the transmission pipe through the electric control valve, and the control panel adjusts the air inflow of the natural gas through the electric control valve.

Preferably, ten burners are symmetrically arranged on the left and right sides of the inner side of the kiln body, the burners are communicated with the transmission pipe, and natural gas is ignited by the burners to be combusted in the kiln body.

Preferably, the baffle is provided with two in the inside bilateral symmetry of box, the gas vent extends to between two baffles, the blast pipe is located the gas vent directly over, and the tail gas that the burning produced passes through the gas vent and transmits to the box in, transmits to the tail gas treatment facility through the blast pipe at last.

Preferably, the air outlet of the air blower extends to the inner side of the box body, two ends of the finned tubes extend to the outer sides of the two partition plates respectively, the finned tubes are arranged in the partition plates in a snake shape, the air blower transmits external air into the box body, the air is transmitted to the other side of the partition plates through the finned tubes, and in the transmission process inside the finned tubes, fresh air and high-temperature tail gas are subjected to heat exchange.

Preferably, the one end of ventilation pipe is located the one side that the air-blower was kept away from to the box, the other end of ventilation pipe extends to the inside of stove body, temperature sensor one, temperature sensor two and control panel electric connection, and the air after the heating passes through the ventilation pipe and transmits to the stove body in, preheats the stove body to for the burning provides oxygen, the combustion temperature in the stove body is detected to temperature sensor one, and temperature sensor two detects the tail gas temperature that the burning produced, and with data transmission to control panel, temperature sensor one, temperature sensor two adopt CWDZ temperature sensor.

Compared with the prior art, the utility model has the beneficial effects that: this be fit for many varieties phosphate stove burning control system under different control temperature, adopt the natural gas as fuel, the tail gas that the burning produced passes through the box and discharges, the air-blower transmits outside air to the box in and carries out the heat exchange with tail gas, transmit to the stove originally internally at last, improve inside heating efficiency and for the burning provides oxygen, the inside of stove body is provided with temperature sensor one, the gas vent is provided with temperature sensor two, temperature and tail gas temperature when burning are measured respectively, and with data transmission to control panel, the air input through electric control valve control natural gas, make the inside temperature fluctuation range of stove body littleer, thereby improve the stability of product.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2 according to the present invention.

In the figure: 1. a furnace body; 2. an electric control valve; 3. an air inlet pipe; 4. a conveying pipe; 5. a burner; 6. an exhaust port; 7. a box body; 8. a partition plate; 9. an exhaust pipe; 10. a blower; 11. a finned tube; 12. a vent pipe; 13. a flame arrestor; 14. a first temperature sensor; 15. a second temperature sensor; 16. a control panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the kiln combustion control system is suitable for various phosphates to be combusted at different control temperatures and comprises a kiln body 1, an electric control valve 2, an air inlet pipe 3, a transmission pipe 4, a combustor 5, an air outlet 6, a box 7, a partition plate 8, an exhaust pipe 9, a blower 10, a finned pipe 11, a ventilation pipe 12, a flame arrester 13, a first temperature sensor 14, a second temperature sensor 15 and a control panel 16, wherein the electric control valve 2 is arranged on the outer side of the kiln body 1, the air inlet pipe 3 is arranged at one end of the electric control valve 2, the transmission pipe 4 is arranged in the kiln body 1, the other end of the electric control valve 2 is communicated with the transmission pipe 4, the combustor 5 is arranged on the inner side of the kiln body 1, ten combustors 5 are symmetrically arranged on the left and right side of the inner side of the kiln body 1, the combustors 5 are communicated with the transmission pipe 4, the air inlet pipe 3 is connected with a natural gas supply system, and natural gas is transmitted into the transmission pipe 4 through the electric control valve 2, the control panel 16 adjusts the air input of the natural gas through the electric adjusting valve 2, and the burner 5 ignites the natural gas to burn in the kiln body 1;

an exhaust port 6 is formed in the upper end of the kiln body 1, a box body 7 is arranged at the upper end of the kiln body 1, partition plates 8 are arranged on the inner side of the box body 7, the two partition plates 8 are arranged in the box body 7 in a bilateral symmetry mode, the exhaust port 6 extends between the two partition plates 8, an exhaust pipe 9 is arranged at the upper end of the box body 7, the exhaust pipe 9 is located right above the exhaust port 6, an air blower 10 is arranged on the outer side of the box body 7, an air outlet of the air blower 10 extends to the inner side of the box body 7, finned pipes 11 are arranged inside the partition plates 8, two ends of the finned pipes 11 respectively extend to the outer sides of the two partition plates 8, the finned pipes 11 are distributed in a snake shape inside the partition plates 8, a ventilation pipe 12 is arranged on the outer side of the box body 7, one end of the ventilation pipe 12 is located on one side, away from the air blower 10, of the other end of the ventilation pipe 12 extends to the inside of the kiln body 1, and a flame arrester 13 is arranged inside the ventilation pipe 12, tail gas generated by combustion is transmitted into the box body 7 through the exhaust port 6 and is finally transmitted into tail gas treatment equipment through the exhaust pipe 9, external air is transmitted into the box body 7 through the air blower 10, the air is transmitted to the other side of the partition plate 8 through the finned pipe 11, in the transmission process inside the finned pipe 11, fresh air and high-temperature tail gas exchange heat, heated air is transmitted into the kiln body 1 through the ventilation pipe 12, the kiln body 1 is preheated, and oxygen is provided for combustion;

the inboard of stove body 1 is provided with temperature sensor one 14, the inboard of gas vent 6 is provided with two 15 temperature sensors, the outside of stove body 1 sets up and control panel 16, electrical control valve 2, first 14 temperature sensor, two 15 temperature sensor and control panel 16 electric connection, first 14 combustion temperature in the stove body 1 of temperature sensor, two 15 temperature sensor detect the tail gas temperature that the burning produced, and with data transmission to control panel 16, first 14 temperature sensor, two 15 temperature sensor adopt CWDZ11 temperature sensor.

The working principle is as follows: firstly, phosphate is put into a kiln body 1, an air inlet pipe 3 is connected with a natural gas supply system, natural gas is transmitted into a transmission pipe 4 through an electric control valve 2, a burner 5 ignites the natural gas and burns the natural gas in the kiln body 1, tail gas generated by burning is transmitted into a box 7 through an exhaust port 6, an air blower 10 transmits external air into the box 7, the air is transmitted to the other side of a partition plate 8 through a finned pipe 11, fresh air and high-temperature tail gas exchange heat in the transmission process of the inside of the finned pipe 11, the heated air is transmitted into the kiln body 1 through a ventilation pipe 12, the kiln body 1 is preheated and oxygen is provided for burning, a first temperature sensor 14 detects the burning temperature in the kiln body 1, a second temperature sensor 15 detects the temperature of the tail gas generated by burning and transmits data to a control panel 16, the control panel 16 adjusts the air input of the natural gas through the electric adjusting valve 2, so that the temperature in the kiln body 1 is controlled within a set range, and a worker can manually control the temperature through the control panel 16, so that the kiln is safe, simple and reliable, and the stability of a product is improved.

Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. Be fit for many varieties phosphate stove burning control system under different control temperature, including stove body (1), its characterized in that: the kiln comprises a kiln body (1), and is characterized in that an electric control valve (2) is arranged on the outer side of the kiln body (1), an air inlet pipe (3) is arranged at one end of the electric control valve (2), a transmission pipe (4) is arranged in the kiln body (1), a burner (5) is arranged on the inner side of the kiln body (1), an air outlet (6) is formed in the upper end of the kiln body (1), a box body (7) is arranged at the upper end of the kiln body (1), a partition plate (8) is arranged on the inner side of the box body (7), an exhaust pipe (9) is arranged on the upper end of the box body (7), an air blower (10) is arranged on the outer side of the box body (7), a finned pipe (11) is arranged in the partition plate (8), a ventilation pipe (12) is arranged on the outer side of the box body (7), a flame arrester (13) is arranged in the ventilation pipe (12), a first temperature sensor (14) is arranged on the inner side of the kiln body (1), the inner side of the exhaust port (6) is provided with a second temperature sensor (15), and the outer side of the kiln body (1) is provided with a control panel (16).

2. The system for controlling the combustion of a kiln at different controlled temperatures for a plurality of types of phosphate according to claim 1, wherein: the electric control valve (2) is electrically connected with the control panel (16), and the other end of the electric control valve (2) is communicated with the transmission pipe (4).

3. The system for controlling the combustion of a kiln at different controlled temperatures for a plurality of types of phosphate according to claim 1, wherein: ten burners (5) are symmetrically arranged on the left and right sides of the inner side of the kiln body (1), and the burners (5) are communicated with the transmission pipe (4).

4. The system for controlling the combustion of a kiln at different controlled temperatures for a plurality of types of phosphate according to claim 1, wherein: baffle (8) are provided with two at the inside bilateral symmetry of box (7), gas vent (6) extend to between two baffles (8), blast pipe (9) are located gas vent (6) directly over.

5. The system for controlling the combustion of a kiln at different controlled temperatures for a plurality of types of phosphate according to claim 1, wherein: the air outlet of the air blower (10) extends to the inner side of the box body (7), two ends of the finned tubes (11) extend to the outer sides of the two partition plates (8) respectively, and the finned tubes (11) are arranged inside the partition plates (8) in a snake shape.

6. The system for controlling the combustion of a kiln at different controlled temperatures for a plurality of types of phosphate according to claim 1, wherein: one end of the ventilation pipe (12) is located on one side, far away from the air blower (10), of the box body (7), the other end of the ventilation pipe (12) extends into the kiln body (1), and the first temperature sensor (14), the second temperature sensor (15) and the control panel (16) are electrically connected.