CN210601702U - Oxygen consumption device for biomass furnace - Google Patents
Oxygen consumption device for biomass furnace Download PDFInfo
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- CN210601702U CN210601702U CN201921649184.9U CN201921649184U CN210601702U CN 210601702 U CN210601702 U CN 210601702U CN 201921649184 U CN201921649184 U CN 201921649184U CN 210601702 U CN210601702 U CN 210601702U
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Abstract
The utility model discloses an oxygen consumption device for a biomass furnace, which comprises a fuel adding device, wherein the fuel adding device comprises an auxiliary material pipe; the device also comprises a hopper and a rotating shaft, wherein the rotating shaft is fixedly connected with the hopper; the ignition device is also included; the hopper is used for receiving materials output by the auxiliary material pipe, and the ignition device is used for igniting the materials. The oxygen consumption method is a use method of the oxygen consumption device. The technical scheme provided by the scheme can effectively control the generation amount of dioxin during biomass gasification or pyrolysis.
Description
Technical Field
The utility model relates to a pipe fitting technical field for energy-concerving and environment-protective equipment especially relates to an oxygen consumption device for biomass furnace.
Background
Along with the rapid development of the socioeconomic rapid progress of China and the rapid improvement of the living standard of people, the garbage generated in the urban production and living process is rapidly increased, the situations that the household garbage occupies the land and pollutes the environment are more practical and novel, and the garbage treatment is more difficult due to the large increase of the urban household garbage. In addition, one of the traditional ways of obtaining a large amount of straws in agricultural production and a large amount of branches and wood chips in wood industry production is to adopt direct incineration to obtain heat for recycling, so that the problems of environmental pollution and the like gradually attract wide attention of various social circles.
For example, in the conventional garbage disposal process, landfill disposal or incineration disposal is generally selected for garbage without recycling value. The solid waste landfill treatment of the household garbage not only occupies the land, but also has great threat to underground water resources; although the waste incineration treatment can realize certain energy conversion and reduce the requirements of post treatment on space, when the waste is incinerated, a large amount of fly ash and nitrogen oxides are generated, and meanwhile, toxic substances such as dioxin, which have great influence on the environment, are generated, so that burden is brought to the flue gas purification treatment and the emission.
Aiming at the problems, biomass processing equipment such as garbage and the like which is different from incineration and takes gasification and pyrolysis as means is provided in the prior art, and by adopting the equipment, organic matter components in the waste can be converted into different energy forms such as combustible gas, tar and the like which can be conveniently utilized, so that the economy is better; meanwhile, the required air coefficient is low, so that the energy utilization rate is high, the emission of harmful gases such as dioxin is less, and the tail gas treatment investment is less.
Further optimizing the structural design of the existing garbage disposal equipment so that the existing garbage disposal equipment can be better applied to garbage disposal, which is a technical problem to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned structural design who further optimizes current refuse handling installation who proposes to make its can be better apply to refuse treatment, be the technical problem that technical staff in the field await solution urgently, the utility model provides an oxygen consumption device for biomass furnace. The technical scheme provided by the scheme can effectively control the generation amount of dioxin during biomass gasification or pyrolysis.
To the above problem, the utility model provides an oxygen consumption device for biomass furnace solves the problem through following technical essential: an oxygen consumption device for a biomass furnace, comprising a fuel adding device, wherein the fuel adding device comprises an auxiliary material pipe;
the device also comprises a hopper and a rotating shaft, wherein the rotating shaft is fixedly connected with the hopper;
the ignition device is also included;
the hopper is used for receiving materials output by the auxiliary material pipe, and the ignition device is used for igniting the materials.
Aiming at the treatment of garbage, straws and other biomass by using a pyrolysis furnace or a gasification furnace, oxygen has important influence on the generation of dioxin: if oxygen is abundant in the furnace, a deacon reaction is likely to occur, a large amount of active chlorine is generated, C-Cl is formed by chlorinating hydrocarbons, and dioxin is further synthesized. So among the prior art, be different from traditional incinerator, for avoiding generating too much dioxin and increaseing the tail gas treatment degree of difficulty in later stage, pyrolysis oven or gasifier generally break off and external atmospheric switch on at the during operation, and this feeding that just makes pyrolysis oven or gasifier is interrupted: and closing the feed inlet after single feeding to perform garbage decomposition treatment, and performing next feeding after the treatment is finished.
The scheme aims to realize that the biomass furnace generates as little dioxin as possible during working under the condition of not stopping the furnace. When the biomass furnace is specifically used, the scheme is used for pretreating the medium entering the biomass furnace so as to achieve the purpose of reducing the amount of dioxin generated by the biomass furnace during working through a means of consuming oxygen in the medium.
Taking biomass with garbage as an example, when the biomass processing device is used, media to be processed need to be sealed in a closed space, such as the media to be processed is directly arranged on a feeding pipe of a biomass furnace, meanwhile, a first valve plate and a second valve plate are arranged on the feeding pipe, and are both used for controlling the conduction state of the feeding pipe, namely, the first valve plate and the second valve plate can both control the conduction state of the feeding pipe; meanwhile, the first valve plate and the second valve plate are arranged in different positions in the extending direction of the feeding pipe, so that a feeding pipe section between the first valve plate and the second valve plate has the accommodating capacity for adding garbage, and the first valve plate and the second valve plate enclose the closed space on the feeding pipe under the condition that the first valve plate and the second valve plate are both in the state of cutting off the feeding pipe. In the scheme, the device comprises an adding device, an ignition device, a hopper and a rotating shaft, after the space in the feeding pipe is supplemented with garbage to be treated, air exists in the space, at the moment, fuel which is combustible is added into the space through an auxiliary material pipe, the fuel falls into the hopper, the fuel is ignited through the ignition device, and after ignition, the fuel burns and consumes oxygen in the space, so that the purpose of containing a smaller amount of oxygen in a medium input into a biomass furnace body from the outlet end of the feeding pipe is achieved, and the purpose of solving the large generation of dioxin is achieved from the source.
In conclusion, the oxygen consumption device provided by the scheme considers the generation amount of dioxin, and simultaneously the design purpose or the application of the oxygen consumption device is used for realizing the oxygen consumption treatment of the feeding of the biomass furnace, so that the continuous feeding of the biomass or raw material biomass to be treated can be completed under the condition that the furnace body of the biomass furnace is not stopped. Compared with the existing treatment furnace, the treatment efficiency of the biomass can be effectively improved.
The device is characterized by also comprising a hopper, wherein the hopper is used for receiving fuel output by the auxiliary material pipe, so that the combustion position is more stable when the device is applied to the feeding pipe, and the working state of the oxygen consumption device can be visually obtained through a flame monitoring device, a peeping port and other ways; meanwhile, the stable relative position of the ignition device and the fuel is conveniently obtained, so that the reliability of igniting the fuel by the ignition device is improved.
When the fuel is solid combustible or liquid combustible, in order to enable the residual substances in the hopper to be removed after the fuel is utilized and prepare for next hopper feeding, the rotating shaft is arranged, so that the hopper can turn over along with the rotating shaft when the rotating shaft rotates, the residual substances in the hopper can be removed and enter the space, and if the fuel is biomass, the residual substances can be reused after the residual substances enter the biomass furnace.
This scheme of adoption, owing to can avoid the air to get into like gasification schizolysis storehouse along with the raw materials to can reach the combustible gas mixture who avoids air and schizolysis storehouse, cause to have the explosion risk among the biomass processing process.
As the technical personnel in the field need to have the space as the medium oxygen consumption treatment space, the continuous feeding actually means that the biomass to be treated can be pretreated in a way of consuming oxygen after air is blocked at any time in the biomass decomposition treatment process of the treatment furnace and then is supplemented into the treatment furnace, so that the continuous feeding in the working process of the biomass furnace can be realized, and the biomass feeding is not an uninterrupted process.
As a further technical solution of the oxygen consumption device:
for the convenient feeding state of control auxiliary material pipe, set up to: the feeding valve is connected in series to the auxiliary material pipe and used for controlling the on-off state of the auxiliary material pipe.
As a further technical scheme: the driving piece is connected with the rotating shaft and used for driving the rotating shaft to rotate around the axis of the driving piece.
As a concrete implementation form of the driving piece, the driving piece is provided with the following components: the driving piece comprises an air cylinder and a motion state conversion mechanism, and the motion state conversion mechanism is used for converting the linear reciprocating motion of the air cylinder into positive and negative rotating motion.
As the hopper can be turned forwards and backwards in the whole process, the motion state switching mechanism is a motion state switching mechanism implementation scheme with simple structure and low setting and running cost and comprises a gear which is coaxially arranged on the rotating shaft;
the piston rod of cylinder still is connected with the pinion rack, be provided with many racks that are parallel to each other and the interval is arranged on the pinion rack, the rack is arranged along the axis direction of piston rod, gear and pinion rack tooth mesh.
For making the entry end of auxiliary material pipe have the storage fuel function, set up as: and the inlet end of the auxiliary material pipe is also provided with a material collecting bin.
For convenient fuel addition, the device is set as follows: the aggregate bin is of a horn mouth-shaped structure with the largest inlet end size.
Meanwhile, the scheme also discloses an oxygen consumption method for the biomass furnace, which adopts the oxygen consumption device to remove oxygen from the gas input into the biomass furnace, and comprises the following steps:
s1, sealing the medium to be input into the biomass furnace in a closed space;
s2, the output end of the auxiliary material pipe and the hopper are all positioned in the space, and solid fuel is added to the hopper through the auxiliary material pipe;
s3, igniting the solid fuel through an ignition device;
and S4, rotating the rotating shaft to drive the hopper to turn over, so that the material in the hopper falls into the space.
As described above, by adopting the method, the biomass furnace can complete the addition of the biomass raw material to be treated without stopping the furnace, and simultaneously, the problem of the generation of a large amount of dioxin can be effectively solved. In the present scheme, the fuel is defined as a solid fuel in step S2, so that the problem of dispersion of gaseous and liquid combustible materials in the space, which results in the concentration of the combustible materials in the space being within the explosion limit, can be effectively avoided, and a safety accident can occur when ignition is performed.
As a further technical scheme of the oxygen consumption method:
as a technical scheme which is easy to obtain materials, low in use cost and safe, the method is characterized in that: the solid fuel is wood blocks or straws.
As a technical scheme which can reliably and quickly ignite fuel and has a simple structure, the ignition device is an electric spark ignition device.
The utility model discloses following beneficial effect has:
the technical scheme of the oxygen consumption device aims to realize that the biomass furnace generates as little dioxin as possible during working under the condition that the furnace is not stopped. When the biomass furnace is specifically used, the scheme is used for pretreating the medium entering the biomass furnace so as to achieve the purpose of reducing the amount of dioxin generated by the biomass furnace during working through a means of consuming oxygen in the medium. The technical scheme of the oxygen consumption method is the use method of the oxygen consumption device, and the oxygen consumption method has the advantages of reducing the generation amount of dioxin and enabling the biomass furnace to continuously work, and has the characteristic of safety.
Drawings
Fig. 1 is an assembly view of an embodiment of the present invention, partially in perspective, showing the relative position of the corresponding pipe on the feeding pipe.
The labels in the figure are respectively: 1. first valve plate, 2, actuating mechanism, 3, second valve plate, 4, feed inlet, 5, inlet pipe, 6, auxiliary material pipe, 7, feed valve, 8, pivot, 9, ignition device, 10, hopper.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples:
example 1:
as shown in fig. 1, the oxygen consumption device for the biomass furnace comprises a fuel adding device which comprises an auxiliary material pipe 6;
the device also comprises a hopper 10 and a rotating shaft 8, wherein the rotating shaft 8 is fixedly connected with the hopper 10;
also comprises an ignition device 9;
the hopper 10 is used for receiving the materials output by the auxiliary material pipe 6, and the ignition device 9 is used for igniting the materials.
Aiming at the treatment of garbage, straws and other biomass by using a pyrolysis furnace or a gasification furnace, oxygen has important influence on the generation of dioxin: if oxygen is abundant in the furnace, a deacon reaction is likely to occur, a large amount of active chlorine is generated, C-Cl is formed by chlorinating hydrocarbons, and dioxin is further synthesized. So among the prior art, be different from traditional incinerator, for avoiding generating too much dioxin and increaseing the tail gas treatment degree of difficulty in later stage, pyrolysis oven or gasifier generally break off and external atmospheric switch on at the during operation, and this feeding that just makes pyrolysis oven or gasifier is interrupted: and closing the feeding hole 4 after single feeding for garbage decomposition treatment, and feeding next time after the treatment is finished.
The scheme aims to realize that the biomass furnace generates as little dioxin as possible during working under the condition of not stopping the furnace. When the biomass furnace is specifically used, the scheme is used for pretreating the medium entering the biomass furnace so as to achieve the purpose of reducing the amount of dioxin generated by the biomass furnace during working through a means of consuming oxygen in the medium.
Taking biomass with garbage as an example, when the biomass processing device is used, media to be processed need to be sealed in a closed space, such as the media are directly arranged on a feeding pipe 5 of a biomass furnace, meanwhile, a first valve plate 1 and a second valve plate 3 are arranged on the feeding pipe 5, and both the first valve plate 1 and the second valve plate 3 are used for controlling the conduction state of the feeding pipe 5, namely both the first valve plate 1 and the second valve plate 3 can control the conduction state of the feeding pipe 5; meanwhile, the first valve plate 1 and the second valve plate 3 are arranged at different positions in the extending direction of the feeding pipe 5, so that the pipe section of the feeding pipe 5 between the first valve plate 1 and the second valve plate 3 has the capacity of accommodating garbage to be added, and the first valve plate 1 and the second valve plate 3 enclose the closed space on the feeding pipe 5 under the condition that the first valve plate 1 and the second valve plate 3 are both in the state of cutting off the feeding pipe 5. In this scheme, set up to including adding device, ignition device 9, hopper 10 and pivot 8, to inlet pipe 5 in the space after replenishing the rubbish of pending, because unavoidable there is the air in the space, at this moment, through supplementary pipe 6 to add the fuel that is the combustible substance in the space, above fuel falls into hopper 10, the fuel passes through ignition device 9 ignites, after igniting, the fuel burning consumes oxygen in the space reaches and contains the purpose of a smaller amount of oxygen in the medium of importing to the biomass furnace body by inlet pipe 5 exit end to reach the purpose of solving the large-scale formation of dioxin from the source.
In conclusion, the oxygen consumption device provided by the scheme considers the generation amount of dioxin, and simultaneously the design purpose or the application of the oxygen consumption device is used for realizing the oxygen consumption treatment of the feeding of the biomass furnace, so that the continuous feeding of the biomass or raw material biomass to be treated can be completed under the condition that the furnace body of the biomass furnace is not stopped. Compared with the existing treatment furnace, the treatment efficiency of the biomass can be effectively improved.
The device is characterized by further comprising a hopper 10, and the hopper 10 is used for receiving fuel output by the auxiliary material pipe 6, so that the combustion position is more stable when the device is applied to the feeding pipe 5, and the working state of the oxygen consumption device can be visually obtained through a flame monitoring device, a peeping port and other ways; and simultaneously, the stable relative position of the ignition device 9 and the fuel is conveniently obtained, so that the reliability of the ignition device 9 for igniting the fuel is improved.
When the fuel is solid combustible or liquid combustible, in order to enable the residual substances in the hopper 10 to be removed after the fuel is utilized and to prepare for the next feeding of the hopper 10, the rotating shaft 8 is arranged, so that the hopper 10 can be overturned along with the rotating shaft 8 when the rotating shaft 8 rotates, the residual substances in the hopper 10 can be removed and enter the space simultaneously, for example, the fuel which is biomass per se can be reused after the fuel subsequently enters the biomass furnace.
As the technical personnel in the field need to have the space as the medium oxygen consumption treatment space, the continuous feeding actually means that the biomass to be treated can be pretreated in a way of consuming oxygen after air is blocked at any time in the biomass decomposition treatment process of the treatment furnace and then is supplemented into the treatment furnace, so that the continuous feeding in the working process of the biomass furnace can be realized, and the biomass feeding is not an uninterrupted process.
Example 2:
the embodiment is further limited on the basis of the embodiment 1, and for conveniently controlling the feeding state of the auxiliary material pipe 6, the following are set: the device also comprises a feed valve 7 connected in series on the auxiliary material pipe 6, wherein the feed valve 7 is used for controlling the on-off state of the auxiliary material pipe 6. When the scheme is specifically applied, the valve rod of the feed valve 7 is also connected with a driving mechanism 2 for driving the feed valve 7 to open and close; for the application including the first valve plate 1 and the second valve plate 3 as described above, it is preferable that the first valve plate 1 and the second valve plate 3 are also connected with a drive mechanism 2 for driving the respective opening and closing.
As a further technical scheme: the device further comprises a driving piece connected with the rotating shaft 8, and the driving piece is used for driving the rotating shaft 8 to rotate around the axis of the rotating shaft.
As a concrete implementation form of the driving piece, the driving piece is provided with the following components: the driving piece comprises an air cylinder and a motion state conversion mechanism, and the motion state conversion mechanism is used for converting the linear reciprocating motion of the air cylinder into positive and negative rotating motion.
As the hopper 10 can be turned forwards and backwards in the whole process, the motion state conversion mechanism is simple in structure and low in setting and running cost and comprises a gear which is coaxially arranged on the rotating shaft 8;
the piston rod of cylinder still is connected with the pinion rack, be provided with many racks that are parallel to each other and the interval is arranged on the pinion rack, the rack is arranged along the axis direction of piston rod, gear and pinion rack tooth mesh.
For the inlet end of the auxiliary pipe 6 to have the function of storing fuel, the following arrangement is adopted: and the inlet end of the auxiliary material pipe 6 is also provided with a material collecting bin.
For convenient fuel addition, the device is set as follows: the aggregate bin is of a horn mouth-shaped structure with the largest inlet end size.
Example 3:
the present embodiment is further limited by any technical solutions provided in embodiments 1 or 2, and provides an oxygen consumption method for a biomass furnace, which employs an oxygen consumption device as described in any one of the above to remove oxygen from gas input into the biomass furnace, and includes the following steps in sequence:
s1, sealing the medium to be input into the biomass furnace in a closed space;
s2, the output end of the auxiliary material pipe 6 and the hopper 10 are all positioned in the space, and solid fuel is added to the hopper 10 through the auxiliary material pipe 6;
s3, igniting the solid fuel through an ignition device 9;
and S4, rotating the rotating shaft 8 to drive the hopper 10 to turn over, so that the material in the hopper 10 falls into the space.
As described above, by adopting the method, the biomass furnace can complete the addition of the biomass raw material to be treated without stopping the furnace, and simultaneously, the problem of the generation of a large amount of dioxin can be effectively solved. In the present scheme, the fuel is defined as a solid fuel in step S2, so that the problem of dispersion of gaseous and liquid combustible materials in the space, which results in the concentration of the combustible materials in the space being within the explosion limit, can be effectively avoided, and a safety accident can occur when ignition is performed.
Example 4:
the embodiment is further limited on the basis of the embodiment 3, and as a technical scheme which is easy to obtain materials, low in use cost and safe, the method is set as follows: the solid fuel is wood blocks or straws.
As a technical solution that can reliably and quickly ignite fuel and has a simple structure, the ignition device 9 is an electric spark ignition device.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model belongs to the technical field of the ordinary skilled person say, do not deviate from the utility model discloses a other embodiments that reach under the technical scheme all should be contained the utility model discloses a within the scope of protection.
Claims (7)
1. An oxygen consumption device for a biomass furnace, characterized by comprising a fuel adding device, wherein the fuel adding device comprises an auxiliary material pipe (6);
the device also comprises a hopper (10) and a rotating shaft (8), wherein the rotating shaft (8) is fixedly connected with the hopper (10);
also comprises an ignition device (9);
the hopper (10) is used for receiving materials output by the auxiliary material pipe (6), and the ignition device (9) is used for igniting the materials.
2. The oxygen consumption device for the biomass furnace according to claim 1, characterized by further comprising a feeding valve (7) connected in series to the auxiliary pipe (6), wherein the feeding valve (7) is used for controlling the on-off state of the auxiliary pipe (6).
3. The oxygen consumption device for biomass furnace according to claim 1, characterized by further comprising a driving member connected to the rotating shaft (8), the driving member being used to drive the rotating shaft (8) to rotate around its axis.
4. The oxygen consumption device for the biomass furnace according to claim 3, wherein the driving member comprises a cylinder and a motion state conversion mechanism for converting the linear reciprocating motion of the cylinder into a positive and a negative rotating motion.
5. The oxygen consumption device for biomass furnace according to claim 4, characterized in that the motion state switching mechanism comprises a gear wheel, which is coaxially mounted on the rotating shaft (8);
the piston rod of cylinder still is connected with the pinion rack, be provided with many racks that are parallel to each other and the interval is arranged on the pinion rack, the rack is arranged along the axis direction of piston rod, gear and pinion rack tooth mesh.
6. The oxygen consumption device for biomass furnace according to claim 1, characterized in that the inlet end of the auxiliary pipe (6) is also provided with a collecting bin.
7. The oxygen depletion device for biomass furnace according to claim 6, characterized in that said collection bin is of a bell mouth-like structure with the largest inlet end size.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921649184.9U CN210601702U (en) | 2019-09-29 | 2019-09-29 | Oxygen consumption device for biomass furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921649184.9U CN210601702U (en) | 2019-09-29 | 2019-09-29 | Oxygen consumption device for biomass furnace |
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| CN210601702U true CN210601702U (en) | 2020-05-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542113A (en) * | 2019-09-29 | 2019-12-06 | 四川火尔赤清洁能源有限公司 | Oxygen consumption device and method for biomass furnace |
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- 2019-09-29 CN CN201921649184.9U patent/CN210601702U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542113A (en) * | 2019-09-29 | 2019-12-06 | 四川火尔赤清洁能源有限公司 | Oxygen consumption device and method for biomass furnace |
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