CN201206125Y - Release control apparatus for coke oven gas collector - Google Patents

Abstract

The utility model relates to a coke oven integrated pipe dispersing controlling device, which comprises a burner, a dispersing pipe, an igniter cabinet, a controlling cabinet, a dispersing valve, a dispersing valve actuating mechanism, a fire collecting valve, a fire extinguishing valve and a pressure transmitter. The burner is located at the upper part of the dispersing pipe; the igniter cabinet and a igniting gun on the burner are connected through a cable; the fire collecting valve is connected with a fire collecting pipe of the burner; the fire extinguishing valve is connected with a fire extinguishing pipe of the burner; the dispersing valve located at the joint of a dispersing pipe and a gas collecting pipe is connected with the dispersing valve actuating mechanism; the pressure transmitter is arranged on the gas collecting pipe which is positioned at the inlet of the dispersing pipe; and the igniter cabinet, the fire extinguishing valve, the fire collecting valve, the dispersing valve actuating mechanism, and the pressure transmitter are connected with the controlling cabinet through a connecting cable. The utility model has the advantages of quick-response, safety and reliability, good burning effect and environmental-friendliness.

Description

The diffusion of gas collecting pipe control device

Technical field

The utility model relates to a kind of diffusion of gas collecting pipe control device of coking industry.

Background technology

The energy and environmental problem have become the focus of world attention at present, and the development of coking field environmental protection technology is the perfect important symbol of modern coking technology.Simultaneously, the development of automatic technologies such as computer control is being raised labour productivity, is improving the quality of products, is being cut down the consumption of energy and administering aspects such as pollutent and all played vital role.

The coke oven collecting main raw gas diffuses the Application Areas and the process condition of control device: equipment be installed on the diffusion of gas collecting pipe pipe and the watch-keeping cubicle in; Coke oven can the control sets tracheal pressure under the situation of normal operation about 70Pa, the leakage that coal gas can be a large amount of under the situation of or blower fault too high at collecting main pressure, contaminate environment, even cause coke oven to catch fire causing serious economy loss; The application that the coke oven collecting main raw gas diffuses control device has solved the discharging of excessive coal gas and coal gas has been burnt, and has protected environment, has also guaranteed the processing requirement that coke oven is worked in the certain pressure scope simultaneously.

Early stage coke oven is all adopting operation manually aspect coal gas discharging and the control pressure, its speed of response is slow, and human factor is many, and the work on the spot condition is poor, and is big to workman's hazard level; Simultaneously manual ignition's difficulty is big, can't guarantee the promptness of lighting a fire, even will not light, and is big for environment pollution.

Summary of the invention

It is the diffusion of gas collecting pipe control device of core with the PLC housing that the purpose of this utility model provides a kind of, and it is swift in response, and is safe and reliable, and combustion efficacy is good, the protection environment.

For achieving the above object, the utility model is achieved through the following technical solutions:

The diffusion of gas collecting pipe control device, this device by burner, bleeder, lighter for ignition cabinet, housing, diffuse valve, diffuse valve actuator, hold together fiery valve, fire valve, pressure unit form, burner is positioned at bleeder top, the lighter for ignition cabinet is connected by cable with burning torch on the burner, hold together fiery valve connection burner and hold together fire tube, fire valve connects the burner fire extinguishing tube; Diffuse valve and be positioned at the junction of bleeder and effuser, and diffuse valve actuator and be connected, on the effuser of bleeder ingress, be provided with pressure unit; Lighter for ignition cabinet, fire valve, hold together fiery valve, diffuse valve actuator, pressure unit is connected with housing by tie cable.

Described burner comprises burning torch, windsheild, cylindrical shell, smooth combustion apparatus, holds together fire tube, fire extinguishing tube, and cylindrical shell is positioned at the exit of bleeder, is connected with bleeder by big flange, and smooth combustion apparatus is positioned at cylindrical shell top, is semi-closed structure; Holding together fire tube and fire extinguishing tube is two arms being told by steam manifold, and arm one enters inner barrel from the cylindrical shell bottom, and the arm that is divided into several even layouts is the steam-smoothering pipe to cylindrical shell top; Arm two enters the endless tube in cylindrical shell exit, tells the periphery that some little vapor-nozzles are positioned at gas outlet by endless tube, for holding together fire tube; Windsheild is positioned at the mix flare burner outside, for around enclosed construction, on windsheild, be provided with two burning torch mounting pipe, in the burning torch mounting pipe burning torch is installed, symmetry is installed on the windsheild.

Also be provided with flame test rod mounting pipe on windsheild, the flame test rod adopts thermocouple thermometric mode.On burner, also be provided with the thermometric feeler lever, be connected with housing.

The beneficial effects of the utility model are:

1) the burner theory is applied to the coke oven collecting main raw gas and diffuses control device, it lights a fire reliably, fully burning, windproof, reduce radiation, steady combustion, anticreep fire, the characteristics of reliably putting out a fire provide assurance for environment protecting and safety in production.

2) the fully automated design is applied to the coke oven collecting main raw gas and diffuses control device, has directly reduced the pollution of raw gas to environment, has reduced the labor force simultaneously, has reduced labour cost, has eliminated safety in production hidden danger.

Description of drawings

Fig. 1 is the structural representation of diffusion of gas collecting pipe control device;

Fig. 2 is the structural representation of burner.

Embodiment

See Fig. 1, the diffusion of gas collecting pipe control device, this device by burner 1, bleeder 15, lighter for ignition cabinet 5, housing 6, diffuse valve 11, diffuse valve actuator 12, hold together fiery valve 10, fire valve 9, pressure unit 13 form, burner 1 is positioned at bleeder 15 tops, connects by big flange 8; Lighter for ignition cabinet 5 is connected by high-tension shielding cable 4 with burning torch 2 on the burner 1, holds together fiery valve 10 and connects burners and hold together fire tube 18 (Fig. 2), and fire valve connects burner fire extinguishing tube 19 (Fig. 2); Diffuse valve 11 and be positioned at the junction of bleeder 15 and effuser 16, and diffuse valve actuator 12 and be connected, on the effuser 16 of bleeder 15 ingress, be provided with pressure unit 13; Lighter for ignition cabinet 5, fire valve 9, hold together fiery valve 10, diffuse valve actuator 12, pressure unit 13 is connected with housing 6 by tie cable 14.

On burner 1, also be provided with thermometric feeler lever 3, be connected with housing 6.

The coke oven collecting main raw gas diffuses the principle of work of control device: the action of diffusing valve actuator by the monitoring continuously control sets tracheae to collecting main pressure; fluctuation in one section reliable scope keep-ups pressure; control supporting portfire, steam simultaneously and hold together the sequentially-operating of fiery smoke elimination valve, steam-smoothering valve; raw gas is lighted at flare tip burner place, will diffuse gas and carry out smokeless combustion.

See Fig. 1, Fig. 2, burner comprises burning torch 2, windsheild 24, cylindrical shell 25, smooth combustion apparatus 17, holds together fire tube 18, fire extinguishing tube 19, and cylindrical shell 25 is positioned at the exit of bleeder 15, is connected with bleeder 15 by big flange 8, smooth combustion apparatus 17 is positioned at cylindrical shell 25 tops, is semi-closed structure; Holding together fire tube 18 and fire extinguishing tube 19 is two arms being told by steam manifold, and arm one enters cylindrical shell 25 inside from cylindrical shell 25 bottoms, and the arm that is divided into several even layouts is steam-smoothering pipe 19 to cylindrical shell top; Arm two enters the endless tube in cylindrical shell 25 exits, tells the periphery that some little vapor-nozzles are positioned at gas outlet by endless tube, for holding together fire tube 18; Windsheild 24 is positioned at the mix flare burner outside, for around enclosed construction, it is to stop strong air directly to blow to the burner gas exit that windsheild mainly acts on, and torch burning is played steady incendiary effect.Be provided with two burning torch mounting pipe on windsheild, burning torch 2 is installed in the burning torch mounting pipe, symmetry is installed on the windsheild 24.Also be provided with flame test rod mounting pipe on windsheild, the flame test rod adopts thermocouple thermometric mode.

1) in its selection, all adopts stainless steel 1Cr18Ni9Ti, satisfied high temperature resistant and erosion resistance;

2) structurally adopted the self-priming injection type, by coal gas flow and air that the injection of steam drives in the whole burner rises, cause burner circumference air to go into the combustion zone and form bottom-up air motion by burner below injection, make the abundant and air mixed of coal gas, perfect combustion, the rigidity of raising flame;

3) the structurally steady combustion ring of employing design forms stable ignition source by its change gas flow rate and air flow line at the gas exit place, and guarantees steady fire, the anticreep fire action of whole burner;

4) structurally adopt the windsheild design, by forming a semi-enclosed zone in the bleeder periphery, coal gas is played windproof effect in root burning, guaranteed that most of coal gas lights and burn, also greatly reduce the caloradiance of torch burning periphery;

5) structurally adopt steam to hold together the fire tube design, establish some little vapor-nozzles at mix flare burner gas exit place, the motion of the jet band moving air flow by high pressure steam makes air further mix also perfect combustion with coal gas, the influence of stablizing and reduce extraneous wind direction of flame that the while vapor stream has formed a stable locality protection, and the water vapor in the steam can fully burn coal gas with the carbon component reaction generation " water-gas " in the coal gas in the flame high-temperature zone;

6) structurally adopt steam-smoothering pipe design, in the mix flare burner cylindrical shell, establish many fire extinguishing tubes, spray a large amount of steam in the time of will extinguishing torch in system, in the mix flare burner cylindrical shell, form vapor film, flame by the time it is extinguished.

The PLC housing is the core of total system, the programming logic action of control total system.Its controlled member is diffused valve actuator, high energy igniter, is held together fiery valve, fire valve etc., its collection be the pressure signal of 4～20mA.Its concrete function is as follows:

1) the PLC housing can freely set the upper limit, pressure low limit on rational pressure high limit, the pressure numerical value, satisfy the needs of different user individual difference;

2) the PLC housing has corresponding pressure state to show, make the operator get information about system state;

3) the PLC housing is established the program control/manual switching, satisfies the needs of various operations;

4) the PLC housing is reported to the police when pressure high limit is connected, and reminds the operator to regulate the effuser gas pressure, establishes the voiceless sound button, can close the last the warning;

5) PLC housing (under the auto state) starts automatic ignition procedure when the upper limit is connected on pressure;

6) the PLC housing starts the flame-out program of diffusing that stops when pressure low limit is connected;

7) PLC housing (under the manual state) can be realized the single step operation of each equipment, adapts to on-the-spot multiple needs;

8) PLC housing (under the programmed state) is provided with quickly starting/stop button, is convenient to start fast automatic ignition procedure or the flame-out program of diffusing that stops;

9) the PLC housing can be presented on the operating panel by pilot lamp each equipment running status on the spot;

10) the PLC housing can adopt various PLC controls, and man-machine interfaces such as upper computer, touch-screen can be set, and except that independently becoming the system, also can be connected or communication with DCS or other higher level's Controlling System;

The coke oven collecting main raw gas diffuses the practical application explanation of control device

The reliability of lighting a fire in actual applications: 100%; Steam-smoothering rate: 100%; Mix flare burner operator on when burning coke oven can finish near any work of periphery it; Do not have black smoke during flame, do not take off fire, be not more than 45 degree at fresh gale and the following flame of fresh gale and vertical direction angle; Coke oven malfunction overdraft is regulated controllability: satisfy processing requirement fully; Automatization controllability: all adopt control automatically.

Claims (4)

1, diffusion of gas collecting pipe control device, it is characterized in that, this device by burner, bleeder, lighter for ignition cabinet, housing, diffuse valve, diffuse valve actuator, hold together fiery valve, fire valve, pressure unit form, burner is positioned at bleeder top, the lighter for ignition cabinet is connected by cable with burning torch on the burner, hold together fiery valve connection burner and hold together fire tube, fire valve connects the burner fire extinguishing tube; Diffuse valve and be positioned at the junction of bleeder and effuser, and diffuse valve actuator and be connected, on the effuser of bleeder ingress, be provided with pressure unit; Lighter for ignition cabinet, fire valve, hold together fiery valve, diffuse valve actuator, pressure unit is connected with housing by tie cable.

2, diffusion of gas collecting pipe control device according to claim 1, it is characterized in that described burner comprises burning torch, windsheild, cylindrical shell, smooth combustion apparatus, holds together fire tube, fire extinguishing tube, cylindrical shell is positioned at the exit of bleeder, be connected with bleeder by big flange, smooth combustion apparatus is positioned at cylindrical shell top, is semi-closed structure; Holding together fire tube and fire extinguishing tube is two arms being told by steam manifold, and arm one enters inner barrel from the cylindrical shell bottom, is divided into the arm of several even layouts, to cylindrical shell top, is the steam-smoothering pipe; Arm two enters the endless tube in cylindrical shell exit, tells some little vapor-nozzles by endless tube, is positioned at the periphery of gas outlet, for holding together fire tube; Windsheild is positioned at the mix flare burner outside, for around enclosed construction, on windsheild, be provided with two burning torch mounting pipe, in the burning torch mounting pipe burning torch is installed, symmetry is installed on the windsheild.

3, diffusion of gas collecting pipe control device according to claim 1 is characterized in that, also is provided with flame test rod mounting pipe on the windsheild of described burner, and the flame test rod adopts thermocouple thermometric mode.

4, according to claim 1,2 or 3 described diffusion of gas collecting pipe control device, it is characterized in that, also be provided with the thermometric feeler lever on the described burner, be connected with housing.

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