CN213453676U - Pyrolysis gas combustion furnace - Google Patents
Pyrolysis gas combustion furnace Download PDFInfo
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- CN213453676U CN213453676U CN202022361711.5U CN202022361711U CN213453676U CN 213453676 U CN213453676 U CN 213453676U CN 202022361711 U CN202022361711 U CN 202022361711U CN 213453676 U CN213453676 U CN 213453676U
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Abstract
The utility model discloses a pyrolysis gas combustion furnace, which comprises a furnace body and an ignition mechanism, wherein the ignition mechanism is used for igniting pyrolysis gas entering the furnace body from a pyrolysis gas inlet and then conveying the gas into the furnace body; the furnace body consists of an upper cylinder and a lower cylinder, and the upper cylinder is communicated with the lower cylinder; the cross section area of the upper cylinder body is smaller than that of the lower cylinder body; the connecting interface of the upper cylinder body and the lower cylinder body is a narrow opening, and the cross section area of the narrow opening is smaller than that of the upper cylinder body so as to form vortex. The utility model discloses pyrolysis gas fires burning furnace can make pyrolysis gas change and ignite to reduce the probability of taking off a fire.
Description
Technical Field
The utility model particularly relates to a pyrolysis gas fires burning furnace.
Background
The pyrolysis incineration method is an engineering treatment method which is mature for radioactive organic waste liquid at home and abroad at present and is widely applied. The organic waste liquid is prepared into suspension liquid and then sent to a pyrolysis furnace for pyrolysis, the main components of pyrolysis gas generated by pyrolysis are kerosene gas, butylene, butanol and the like, and the pyrolysis gas can be discharged after further combustion and cooling, dewatering and purification. Because the pyrolysis gas is flammable and explosive and has radioactivity, a safe and stable combustion environment must be provided to ensure that the pyrolysis gas can be fully combusted, and the pyrolysis gas is prevented from exploding in a combustion furnace and downstream equipment to damage the equipment and cause radioactive leakage.
The combustion furnace is a key device for combustion of pyrolysis gas, and in the prior art, because a pyrolysis incineration system needs to maintain a certain negative pressure, the negative pressure of the combustion furnace is higher, and when combustion-supporting oil and pyrolysis gas enter the combustion furnace, the airflow is larger, the ignition is difficult, and the misfire fault is easy to generate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the above-mentioned not enough that exists among the prior art, provide a pyrolysis gas fires burning furnace, pyrolysis gas fires burning furnace and can make pyrolysis gas change and light to reduce the probability of taking off a fire.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a pyrolysis gas combustion furnace comprises a furnace body and an ignition mechanism, wherein the ignition mechanism is used for igniting pyrolysis gas entering the furnace body from a pyrolysis gas inlet and then conveying the pyrolysis gas into the furnace body;
the furnace body consists of an upper cylinder and a lower cylinder, and the upper cylinder is communicated with the lower cylinder; the cross section area of the upper cylinder body is smaller than that of the lower cylinder body;
the connecting interface of the upper cylinder body and the lower cylinder body is a narrow opening, and the cross section area of the narrow opening is smaller than that of the upper cylinder body so as to form vortex.
Preferably, the furnace body comprises a shell, a heat-insulating layer and a heat-resistant layer from outside to inside in sequence,
the shell is made of metal, the heat-insulating layer is made of aluminum silicate, and the heat-resistant layer is made of high-aluminum refractory bricks.
Preferably, the furnace body is provided with a flue gas outlet, an ash collecting outlet and a waste oil inlet,
the ash collecting outlet is arranged at the bottom of the lower cylinder body and used for discharging ash in the furnace body,
the smoke outlet is arranged on the side wall of the lower cylinder and is used for discharging smoke in the furnace body,
and the waste oil inlet is arranged on the side wall of the upper barrel and used for conveying radioactive waste oil into the furnace body.
Preferably, the ignition mechanism comprises an ignition pipeline, an igniter, a combustion oil inlet and a combustion air inlet,
an ignition port is arranged on the upper cylinder body, one end of the ignition pipeline extends into the ignition port, the igniter is arranged in the ignition pipeline and is positioned in the ignition port,
the pyrolysis gas inlet is arranged on the ignition pipeline and is positioned outside the furnace body,
the combustion-supporting oil inlet is arranged on the ignition pipeline and positioned outside the furnace body and used for conveying combustion-supporting oil into the furnace body,
and the combustion-supporting air inlet is arranged on the ignition pipeline, is positioned outside the furnace body and is used for introducing air into the furnace body.
Preferably, the ignition mechanism further comprises a compressed air inlet,
the compressed air inlet includes a first compressed air inlet and a second compressed air inlet,
the first compressed air inlet is arranged on a waste oil pipeline which is connected with the side wall of the upper cylinder body and the waste oil inlet and is used for atomizing waste oil introduced into the furnace body;
and the second compressed air inlet is arranged on the ignition pipeline and positioned outside the furnace body and is used for atomizing combustion-supporting oil introduced into the furnace body.
Preferably, the ignition mechanism further comprises a first valve, a second valve, a third valve, a fourth valve and a fifth valve, the combustion-supporting air inlet comprises a first combustion-supporting air inlet and a second combustion-supporting air inlet,
the first valve is arranged on the pyrolysis gas inlet and is used for controlling the opening and closing of the pyrolysis gas inlet,
the second valve is arranged on the combustion-supporting oil inlet and is used for controlling the opening degree of the combustion-supporting oil inlet,
the third valve is arranged on the compressed air inlet and used for controlling the opening and closing of the compressed air inlet,
the fourth valve is arranged on the first combustion-supporting air inlet and is used for controlling the opening degree of the first combustion-supporting air inlet,
and the fifth valve is arranged on the second combustion-supporting air inlet and used for controlling the opening degree of the second combustion-supporting air inlet.
Preferably, the furnace body is provided with a temperature measuring port,
the pyrolysis gas combustion furnace also comprises a control mechanism, the control mechanism comprises a temperature monitor and a controller,
the temperature monitor is arranged in the temperature measuring port, is connected with the controller and is used for monitoring the temperature in the furnace body and transmitting the temperature to the controller;
the controller is further connected with the first valve, the second valve, the third valve, the fourth valve and the fifth valve respectively and used for controlling the second valve, the third valve, the fourth valve and the fifth valve to be opened simultaneously according to a user instruction, a first preset temperature is stored in the controller, and the controller is further used for controlling the first valve to be opened when the temperature value transmitted by the temperature monitor reaches the first preset temperature.
Preferably, a second preset temperature is further stored in the controller, and the controller is further configured to control the valve opening of the fifth valve when the received temperature value reaches the second preset temperature.
Preferably, the control mechanism further comprises a combustion-supporting oil flow monitor connected with the controller for monitoring the flow of the combustion-supporting oil and transmitting the flow to the controller,
the controller also stores a mapping table of the combustion-supporting oil flow and the opening of the fourth valve, and is used for controlling the opening of the fourth valve according to the flow monitored by the combustion-supporting oil flow monitor and the mapping table.
Preferably, the pyrolysis gas combustion furnace further comprises two sight glass observation assemblies, and the two sight glass observation assemblies are respectively arranged on the side walls of the upper cylinder and the lower cylinder and used for observing the flame condition in the furnace body through the sight glass observation assemblies.
The utility model discloses a pyrolysis gas fires burning furnace is because the kneck of going up between barrel and the lower barrel is the slot to make the air current form the vortex at the kneck, can make pyrolysis gas and combustion-supporting oil get into and change after the barrel and ignite, and reduce the probability of taking off fire, and make this pyrolysis gas fire burning furnace's heat accumulation ability better, the temperature stability in the stove is strong. Furthermore, the utility model discloses an ignition mechanism can adjust flame size, and according to the combustion-supporting wind of temperature regulation and the combustion-supporting oil flow of burning furnace body, thereby avoid the emergence of the phenomenon of taking off a fire, guarantee the abundant burning of pyrolysis gas, and can adapt to the pyrolysis gas flow change to the impact of burning furnace, handle pyrolysis gas for a long time steadily, and pyrolysis gas fires burning furnace easy and simple to handle, safe and reliable, compact structure, high temperature resistant, easy maintenance, can be suitable for the pyrolysis gas processing requirement in the great scope.
Drawings
Fig. 1 is a schematic structural diagram of a pyrolysis gas combustion furnace in an embodiment of the present invention.
In the figure: 1-an insulating layer; 2-a heat-resistant layer; 3, discharging the cylinder; 4-temperature measurer; 5-a pressure measurer; 6, mounting the cylinder; 7-a first compressed air inlet; 8-a waste oil inlet; 9-a sight glass viewing assembly; 10-a flue gas outlet; 11-ash collection outlet; 12-an igniter; 13-sensitive components; 14-inlet of pyrolysis gas; 15-combustion oil inlet; 16-a second compressed air inlet; 17-a first combustion air inlet; 18-second combustion-supporting air inlet.
Detailed Description
In the following, the technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope of the present invention.
In the description of the present invention, it should be noted that the indication of orientation or positional relationship such as "up" is based on the orientation or positional relationship shown in the drawings, and is only for convenience and simplicity of description, and does not indicate or imply that the indicated device or element must be provided with a specific orientation, constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected," "disposed," "mounted," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
The utility model provides a pyrolysis gas combustion furnace, which comprises a furnace body and an ignition mechanism, wherein the ignition mechanism is used for igniting pyrolysis gas entering the furnace body from a pyrolysis gas inlet and then conveying the pyrolysis gas into the furnace body;
the furnace body consists of an upper cylinder and a lower cylinder, and the upper cylinder is communicated with the lower cylinder; the cross section area of the upper cylinder body is smaller than that of the lower cylinder body;
the connecting interface of the upper cylinder body and the lower cylinder body is a narrow opening, and the cross section area of the narrow opening is smaller than that of the upper cylinder body so as to form vortex.
Example 1:
the embodiment discloses a pyrolysis gas combustion furnace, which comprises a furnace body and an ignition mechanism, wherein the ignition mechanism is used for igniting pyrolysis gas entering the furnace body from a pyrolysis gas inlet 14 and then conveying the pyrolysis gas into the furnace body, as shown in fig. 1. The furnace body comprises last barrel 6 and lower barrel 3, goes up barrel 6 and barrel 3 intercommunication down, and the cross sectional area of going up barrel 6 is less than barrel 3's cross sectional area down for the heat accumulation ability of barrel 6 in the reinforcing, in addition, the connection interface of going up barrel 6 and barrel 3 down is the slot, and the cross sectional area of slot is less than barrel 6's cross sectional area, in order to be used for forming the vortex, make helping burning oil and pyrolysis gas to light more after getting into barrel 6, take place to take off a fire the possibility and reduce.
In this embodiment, the length ratio of the upper cylinder 6 to the lower cylinder 3 is 0.5-0.7: 1, the proportion can lead the pyrolysis gas combustion furnace to gather heat in the upper cylinder body 6 when preheating, so that the upper cylinder body 6 can reach the temperature requirement more quickly, a certain stable area is formed, and the processing capacity of the combustion furnace is ensured. Preferably, the ratio of the length of the upper barrel 6 to the length of the lower barrel 3 is 0.6: 1.
In this embodiment, the furnace body comprises a shell, a heat insulating layer 1 and a heat resistant layer 2 from outside to inside in sequence, wherein the shell is made of metal and is usually made of carbon steel or stainless steel. The heat preservation layer 1 is made of aluminum silicate, the aluminum silicate material has a good heat preservation effect, the heat-resistant layer 2 is made of high-aluminum refractory bricks, and in the embodiment, the high-aluminum refractory bricks capable of resisting the high temperature of 1300 ℃ can meet the temperature requirement of combustion pyrolysis gas. When the temperature of the outer wall surface of the furnace body exceeds 50 ℃, a layer of heat insulation layer needs to be added on the outer layer of the furnace body. In the embodiment, the thicknesses of the heat-insulating layer 1 and the heat-resistant layer 2 and the temperature change curves of the heat-insulating layer and the heat-resistant layer are subjected to related heat transfer calculation according to the heat conductivity coefficients of the heat-insulating material and the high-aluminum refractory bricks, and the heat transfer calculation is obtained by combining heat dissipation loss and the wall temperature of a heat transfer surface, so that the temperature of the outer wall surface of the furnace body is not more than 50 ℃ while the combustion furnace can continuously and reliably operate for a long time, and the requirement on.
In this embodiment, be provided with exhanst gas outlet 10 on the furnace body, collection ash export 11 and waste oil import 8, collection ash export 11 sets up the bottom at barrel 3 down for the lime-ash in the discharge furnace body, after the long-time operation of pyrolysis gas combustion furnace, because a small amount of pyrolysis ash that leaks in the pyrolysis gas pyrolysis furnace can get into the furnace body along with pyrolysis gas, and pile up in the combustion furnace, consequently barrel 3's bottom sets up collection ash export 11 down, can collect the transport container by collection ash export 11 with piled up pyrolysis ash and carry out processing on next step, and be convenient for fire burning furnace maintenance and maintenance. The flue gas outlet 10 is arranged on the side wall of the lower barrel 3 and used for discharging flue gas in the furnace body, the waste oil inlet 8 is arranged on the side wall of the upper barrel 6 and used for conveying radioactive waste oil into the furnace body, and the radioactive waste oil can be treated when the pyrolysis gas combustion furnace does not treat pyrolysis gas.
In this embodiment, the ignition mechanism includes an ignition pipeline, an igniter 12, a combustion oil inlet 15 and a combustion air inlet, an ignition port is provided on the upper cylinder 6, one end of the ignition pipeline extends into the ignition port, and the igniter is provided in the ignition pipeline and is located in the ignition port. The pyrolysis gas inlet 14 is arranged on the ignition pipeline and is positioned outside the furnace body, and the combustion-supporting oil inlet 15 is arranged on the ignition pipeline and is positioned outside the furnace body and is used for conveying combustion-supporting oil into the furnace body, wherein the combustion-supporting oil can be one of diesel oil and light kerosene. The combustion-supporting air inlet is arranged on the ignition pipeline and positioned outside the furnace body and used for introducing air into the furnace body.
In this embodiment, the ignition mechanism further comprises a compressed air inlet, the compressed air inlet comprises a first compressed air inlet 7 and a second compressed air inlet 16, the first compressed air inlet 7 is arranged on a waste oil pipeline connecting the side wall of the upper cylinder body 6 and the waste oil inlet 8 and is used for atomizing waste oil introduced into the furnace body and igniting the waste oil through a torch of the igniter. The second compressed air inlet 16 is arranged on the ignition pipeline and outside the furnace body and is used for atomizing the combustion-supporting oil introduced into the furnace body, and the combustion efficiency of the combustion-supporting oil can be improved after the combustion-supporting oil is sufficiently atomized.
Specifically, the pyrolysis gas flows to the ignition mechanism from the upstream by taking the negative pressure in the furnace body as power through a pyrolysis gas inlet 14 arranged on the ignition mechanism, meanwhile, before the pyrolysis gas enters the furnace body, the ignition mechanism is started to ignite the fuel oil in the fuel oil inlet 15, the furnace body is preheated, and after preheating is completed, the pyrolysis gas is immediately introduced and ignited, so that the pyrolysis gas is continuously combusted in the pyrolysis gas combustion furnace. In this embodiment, the combustion oil is pumped to the combustion oil inlet 15 and into the ignition mechanism.
In this embodiment, the ignition mechanism further includes a first valve, a second valve, a third valve, a fourth valve and a fifth valve, the combustion-supporting air inlet includes a first combustion-supporting air inlet 17 and a second combustion-supporting air inlet 18, the first valve is disposed on the pyrolysis gas inlet 14 and is used for controlling the opening and closing of the pyrolysis gas inlet, the second valve is disposed on the combustion-supporting oil inlet 15 and is used for controlling the opening of the combustion-supporting oil inlet (including the condition that the second valve is closed), the third valve is disposed on the compressed air inlet 16 and is used for controlling the opening and closing of the compressed air inlet, the fourth valve is disposed on the first combustion-supporting air inlet 17 and is used for controlling the opening of the first combustion-supporting air inlet 17 (including the condition that the fourth valve is closed), and the fifth valve is disposed on the second combustion-supporting air inlet 18 and is used for controlling the opening of the second combustion-supporting air inlet 18 (including the.
In this embodiment, the ignition mechanism further includes a combustion-supporting oil supply device, a compressed air supply device, and a combustion-supporting air supply device, and the combustion-supporting oil supply device is communicated with the combustion-supporting oil inlet 15 and is used for supplying the combustion-supporting oil. The compressed air supply equipment is communicated with the compressed air inlet 16 and used for supplying compressed air, and the pressure range of the normally adopted compressed air is 0.3-0.6 MPa. The combustion-supporting air supply device is communicated with the first combustion-supporting air inlet 17 and the second combustion-supporting air inlet 18 and is used for supplying combustion-supporting air. In this embodiment, the ignition mechanism further includes a flame monitor and a flame-out protector, wherein the flame monitor is disposed at the ignition device 12, and is configured to monitor flame and send a flame monitoring signal (presence/absence of fire) to the flame-out protector. The flameout protector is connected with a combustion-supporting oil pump of the combustion-supporting oil supply device, a combustion-supporting air blower of the combustion-supporting air supply device, a second valve, a fourth valve and a fifth valve, when the flame monitor transmits a 'no fire' signal, the flameout protector can stop the combustion-supporting oil pump and close the second valve arranged on the combustion-supporting oil inlet 15, the combustion-supporting air blower continues to work at the moment, the fourth valve and the fifth valve are fully opened, continuous ventilation is kept in the combustion furnace, automatic protection after flameout of the ignition mechanism is achieved, and safety of the pyrolysis gas combustion furnace is guaranteed.
Specifically, when pyrolysis gas combustion operation needs to be carried out on the pyrolysis gas combustion furnace, an operator presses a start key of the pyrolysis gas combustion furnace, the second valve, the third valve, the fourth valve and the fifth valve are opened, combustion oil, compressed air and combustion air enter the furnace body, and the igniter is started to realize automatic starting of the ignition mechanism. In addition, when the ignition mechanism is ignited, the flame detector can display an ignition indication, if the flame detector indicates that no ignition exceeds the set time (the set time is set according to the actual condition), the second valve of the pyrolysis gas combustion furnace is closed, continuous ventilation is carried out for a certain time, and then ignition is carried out again, so that the combustible gas accumulated in the furnace is prevented from being exploded when meeting open fire.
In this embodiment, the ignition mechanism further includes a sensitive device 13, and the sensitive device 13 is specifically some devices that do not resist high temperature in the ignition mechanism. The sensitive component 13 is arranged outside the ignition pipeline and used for preventing the sensitive component 13 from being burnt by tempering of the pyrolysis gas combustion furnace, preventing the sensitive component from being damaged by high temperature and facilitating the overhaul of the ignition mechanism in a radioactive environment.
In the embodiment, the furnace body is provided with a temperature measuring port, the pyrolysis gas combustion furnace further comprises a control mechanism, the control mechanism comprises a temperature monitor 4 and a controller, and the temperature monitor 4 is arranged in the temperature measuring port, is connected with the controller and is used for monitoring the temperature in the furnace body and transmitting the temperature to the controller; the controller is further connected with the first valve, the second valve, the third valve, the fourth valve and the fifth valve respectively and used for controlling the second valve, the third valve, the fourth valve and the fifth valve to be opened simultaneously according to a user instruction (for example, when a start key is pressed), a first preset temperature is stored in the controller, and the controller is further used for controlling the first valve to be opened when the temperature value transmitted by the temperature monitor reaches the first preset temperature.
In this embodiment, a second preset temperature is further stored in the controller, and the controller is further configured to control the valve opening of the fifth valve when the received temperature value reaches the second preset temperature.
In this embodiment, the control mechanism further comprises an oxygen content measurer, an outlet flue gas temperature detector and a display, wherein the oxygen content measurer is arranged on the flue gas outlet 10, is connected with the display, and is used for measuring the oxygen content at the outlet of the furnace body and transmitting the measured oxygen content to the display for displaying; the outlet flue gas temperature measuring device is arranged on the flue gas outlet 10 and is used for measuring the temperature of the outlet flue gas and transmitting the measured temperature of the outlet flue gas to the display for displaying. The oxygen content measurer and the outlet flue gas temperature detector are arranged, so that an operator can better know the combustion condition in the combustion furnace.
In this embodiment, the control mechanism further includes a combustion-supporting oil flow monitor connected to the controller, and configured to monitor a flow of the combustion-supporting oil and transmit the flow to the controller, and the controller further stores a mapping table of the flow of the combustion-supporting oil and a valve opening of the fourth valve, and is configured to control the valve opening of the fourth valve according to the flow monitored by the combustion-supporting oil flow monitor in combination with the mapping table.
Specifically, after the temperature of the furnace body reaches the first preset temperature of the controller, the pyrolysis gas is conveyed into the furnace body through the pyrolysis gas inlet 14, the pyrolysis gas is ignited and fully combusted in the high-temperature environment in the furnace body, temperature fluctuation in the furnace body of the combustion furnace can be caused when the pyrolysis gas is combusted, a temperature signal measured by the temperature measurer 4 is transmitted to the controller, meanwhile, a flow signal of the combustion-supporting oil measured by the combustion-supporting oil flow monitor is transmitted to the controller, the controller compares the temperature signal of the furnace body with the second preset temperature thereof, and adjusts the temperature in the furnace body by correspondingly comparing the flow signal of the flow monitor with a mapping table of the opening of a fourth valve, the flow of the combustion-supporting air and the flow of the combustion-supporting oil are adjusted in an interlocking manner, so that the flame size of the ignition mechanism can be automatically adjusted, and the flow of the intake air and the combustion-supporting oil is adjusted, therefore, the phenomenon of fire escape is avoided, the pyrolysis gas is fully combusted, in the embodiment, the temperature range of the furnace body is controlled to be 800-1100 ℃, and in addition, the controller in the embodiment comprises a wind/oil regulator.
In this embodiment, the pyrolysis gas combustion furnace further comprises two sight glass observation assemblies 9, the two sight glass observation assemblies 9 are respectively arranged on the side walls of the upper barrel 6 and the lower barrel 3 and used for observing the flame condition in the furnace body through the sight glass observation assemblies, whether the combustion is normal or not is judged by observing the flame condition in real time, if the flame is abnormal, a worker can adjust the flow of combustion oil and combustion air, and if the flame is not normal after adjustment, the ignition mechanism is considered to be overhauled.
Specifically, the sight glass observation assembly comprises a sight glass, a pressure-air purging unit is arranged on the sight glass, and the pressure-controlled purging unit is used for cooling the sight glass and is convenient for observing the flame state in the combustion furnace body through the sight glass. Optionally, a camera is further arranged on the outer side of the peeping mirror and used for master control of real-time monitoring of flame conditions inside the combustion furnace so as to judge whether combustion is normal or not.
The pyrolysis gas combustion furnace can enable pyrolysis gas to be ignited more easily, can be ignited smoothly under the condition of negative pressure higher than-10 kPa, reduces the probability of fire release, and is good in heat storage capacity and strong in temperature stability in the furnace. In addition, the ignition mechanism of the embodiment can adjust the size of flame and adjust the flow of combustion-supporting air and combustion-supporting oil according to the temperature of the furnace body of the combustion furnace, thereby avoiding the occurrence of a misfire phenomenon and ensuring the sufficient combustion of pyrolysis gas.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. The pyrolysis gas combustion furnace is characterized by comprising a furnace body and an ignition mechanism, wherein the ignition mechanism is used for igniting pyrolysis gas entering the furnace body from a pyrolysis gas inlet (14) and then conveying the pyrolysis gas into the furnace body;
the furnace body is composed of an upper cylinder (6) and a lower cylinder (3), and the upper cylinder is communicated with the lower cylinder; the cross section area of the upper cylinder body is smaller than that of the lower cylinder body;
the connecting interface of the upper cylinder body and the lower cylinder body is a narrow opening, and the cross section area of the narrow opening is smaller than that of the upper cylinder body so as to form vortex.
2. A pyrolysis gas combustion furnace according to claim 1, wherein the furnace body comprises, in order from the outside inwards, a shell, a heat insulating layer (1) and a heat resistant layer (2),
the shell is made of metal, the heat-insulating layer is made of aluminum silicate, and the heat-resistant layer is made of high-aluminum refractory bricks.
3. A pyrolysis gas combustion furnace according to claim 1, characterized in that the furnace body is provided with a flue gas outlet (10), an ash collection outlet (11) and a waste oil inlet (8),
the ash collecting outlet is arranged at the bottom of the lower cylinder body and used for discharging ash in the furnace body,
the smoke outlet is arranged on the side wall of the lower cylinder and is used for discharging smoke in the furnace body,
and the waste oil inlet is arranged on the side wall of the upper barrel and used for conveying radioactive waste oil into the furnace body.
4. A pyrolysis gas combustion furnace according to any one of claims 1-3, wherein the ignition mechanism comprises an ignition duct, an igniter (12), a combustion oil inlet (15) and a combustion air inlet,
an ignition port is arranged on the upper cylinder body, one end of the ignition pipeline extends into the ignition port, the igniter is arranged in the ignition pipeline and is positioned in the ignition port,
the pyrolysis gas inlet is arranged on the ignition pipeline and is positioned outside the furnace body,
the combustion-supporting oil inlet (15) is arranged on the ignition pipeline and positioned outside the furnace body and used for conveying combustion-supporting oil into the furnace body,
and the combustion-supporting air inlet is arranged on the ignition pipeline, is positioned outside the furnace body and is used for introducing air into the furnace body.
5. A pyrolysis gas combustion furnace according to claim 4, wherein the ignition mechanism further comprises a compressed air inlet,
the compressed air inlet comprises a first compressed air inlet (7) and a second compressed air inlet (16),
the first compressed air inlet (7) is arranged on a waste oil pipeline which is connected with the side wall of the upper cylinder body and the waste oil inlet and is used for atomizing the waste oil introduced into the furnace body;
and the second compressed air inlet (16) is arranged on the ignition pipeline and positioned outside the furnace body and is used for atomizing combustion-supporting oil introduced into the furnace body.
6. A pyrolysis gas furnace according to claim 5, wherein the ignition mechanism further comprises a first valve, a second valve, a third valve, a fourth valve and a fifth valve, the combustion air inlets comprise a first combustion air inlet (17) and a second combustion air inlet (18),
the first valve is arranged on the pyrolysis gas inlet and is used for controlling the opening and closing of the pyrolysis gas inlet,
the second valve is arranged on the combustion-supporting oil inlet and is used for controlling the opening degree of the combustion-supporting oil inlet,
the third valve is arranged on the compressed air inlet and used for controlling the opening and closing of the compressed air inlet,
the fourth valve is arranged on the first combustion-supporting air inlet and is used for controlling the opening degree of the first combustion-supporting air inlet,
and the fifth valve is arranged on the second combustion-supporting air inlet and used for controlling the opening degree of the second combustion-supporting air inlet.
7. A pyrolysis gas combustion furnace according to claim 6, wherein the furnace body is provided with a temperature measuring port,
the pyrolysis gas combustion furnace also comprises a control mechanism, the control mechanism comprises a temperature monitor (4) and a controller,
the temperature monitor is arranged in the temperature measuring port, is connected with the controller and is used for monitoring the temperature in the furnace body and transmitting the temperature to the controller;
the controller is further connected with the first valve, the second valve, the third valve, the fourth valve and the fifth valve respectively and used for controlling the second valve, the third valve, the fourth valve and the fifth valve to be opened simultaneously according to a user instruction, a first preset temperature is stored in the controller, and the controller is further used for controlling the first valve to be opened when the temperature value transmitted by the temperature monitor reaches the first preset temperature.
8. A pyrolysis gas furnace according to claim 7, wherein the controller further stores a second predetermined temperature, and the controller is further configured to control the valve opening of the fifth valve when the received temperature value reaches the second predetermined temperature.
9. A pyrolysis gas furnace according to claim 8, wherein the control means further comprises a combustion oil flow monitor connected to the controller for monitoring the flow of the combustion oil and communicating it to the controller,
the controller also stores a mapping table of the combustion-supporting oil flow and the opening of the fourth valve, and is used for controlling the opening of the fourth valve according to the flow monitored by the combustion-supporting oil flow monitor and the mapping table.
10. A pyrolysis gas burner as claimed in claim 4, further comprising two sight glass observation assemblies (9) respectively provided on the side walls of the upper and lower barrels for observing the flame conditions in the furnace body therethrough.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116608474A (en) * | 2023-05-29 | 2023-08-18 | 中城建胜义(深圳)环境科技有限公司 | Combustion device for treating carbonization pyrolysis gas of landscaping garbage |
| CN117146285A (en) * | 2023-10-27 | 2023-12-01 | 陕西宝昱科技工业股份有限公司 | Incineration device for organic waste and working method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116608474A (en) * | 2023-05-29 | 2023-08-18 | 中城建胜义(深圳)环境科技有限公司 | Combustion device for treating carbonization pyrolysis gas of landscaping garbage |
| CN117146285A (en) * | 2023-10-27 | 2023-12-01 | 陕西宝昱科技工业股份有限公司 | Incineration device for organic waste and working method |
| CN117146285B (en) * | 2023-10-27 | 2024-02-13 | 陕西宝昱科技工业股份有限公司 | Incineration device for organic waste and working method |
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