CN218544448U - Device for generating electricity by utilizing garbage pyrolysis combustible gas - Google Patents
Device for generating electricity by utilizing garbage pyrolysis combustible gas Download PDFInfo
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- CN218544448U CN218544448U CN202223018666.9U CN202223018666U CN218544448U CN 218544448 U CN218544448 U CN 218544448U CN 202223018666 U CN202223018666 U CN 202223018666U CN 218544448 U CN218544448 U CN 218544448U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
Abstract
The utility model discloses an utilize device of rubbish pyrolysis combustible gas electricity generation, including rubbish pyrolysis equipment, gas storage equipment, gas boiler and steam turbine, the quantity of rubbish pyrolysis equipment is more than two, and the single day pyrolysis volume of each rubbish pyrolysis equipment is no longer than the default, and the combustible gas export of each rubbish pyrolysis equipment all communicates with the gas inlet of gas storage equipment, and the gas outlet of gas storage equipment communicates with gas boiler, and gas boiler is used for burning the pyrolysis gas, and produces steam, and gas boiler's steam outlet communicates with the steam turbine; a first valve is arranged between each garbage pyrolysis device and the gas storage device, and a second valve is arranged between each gas storage device and the gas boiler. The utility model adopts small-sized pyrolysis equipment, has small treatment capacity, needs less feeding each time, and has more stable gas production compared with large-sized equipment; the arrangement of the gas storage equipment enables the combustible gas to be combusted and generated in a centralized manner, the stability and the continuity of the combustible gas are ensured, and the problem of unstable power generation of the combustible gas generated by pyrolyzing the garbage is solved.
Description
Technical Field
The utility model relates to a rubbish pyrolysis technology field, concretely relates to utilize device of rubbish pyrolysis combustible gas electricity generation.
Background
The gas containing a large amount of methane, carbon monoxide and hydrogen can be generated in the garbage pyrolysis process, and the gas is used for industrial gas and has good economic benefit.
However, due to the uncertainty of the collection point and the collection time of the garbage and the uncertainty of the substances contained in the garbage, the pyrolysis gasification method is adopted, and the generated gas components, the gas production rate and the gas production time are unstable, so that stable power generation cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an utilize device of rubbish pyrolysis combustible gas electricity generation guarantees combustible gas's stability and continuity, makes the combustible gas of production concentrate the burning electricity generation, solves the unstable problem of rubbish pyrolysis combustible gas electricity generation.
In order to solve the technical problem, the utility model provides an utilize device of rubbish pyrolysis combustible gas electricity generation, including rubbish pyrolysis equipment, gas storage equipment, gas boiler and steam turbine, wherein:
the number of the garbage pyrolysis devices is more than two, the single-day pyrolysis amount of each garbage pyrolysis device does not exceed a preset value, a combustible gas outlet of each garbage pyrolysis device is communicated with a gas inlet of the gas storage device, a gas outlet of the gas storage device is communicated with the gas boiler, the gas boiler is used for burning the combustible gas and generating steam, and a steam outlet of the gas boiler is communicated with the steam turbine;
and a first valve is arranged between each garbage pyrolysis device and the gas storage device, and a second valve is arranged between each gas storage device and the gas boiler.
The utility model discloses utilize device of rubbish pyrolysis combustible gas electricity generation, at first, prescribe a limit to the single day's pyrolysis volume of rubbish pyrolysis equipment, set for according to rubbish kind, above-mentioned "default" rubbish daily treatment capacity usually does not exceed 5 tons, prescribe a limit to rubbish pyrolysis equipment for small-size equipment promptly, the treatment capacity of small-size equipment is little, the required material of throwing is less each time, not only can guarantee that each stage of drying, carbonization, decomposition can reach the anticipated treatment effect, the pyrolysis effect is better, and than the large-scale equipment gas production volume more stable; more than two garbage pyrolysis devices are put into use together, so that the garbage treatment capacity is increased, and simultaneously, large devices corresponding to the pyrolysis reaction of a single small device are more sufficient, so that the gas production rate can be improved; garbage produces combustible gas through the pyrolysis of garbage pyrolysis equipment, afterwards, combustible gas can concentrate the storage in gas storage equipment, when needs electricity generation, gas storage equipment begins to the gas boiler air feed, gas boiler fully burns combustible gas, and produce steam and get into the steam turbine electricity generation, guarantee combustible gas's stability and continuity, gas storage equipment's setting makes the combustible gas who produces can concentrate the burning electricity generation, and guaranteed the gas content who gets into the boiler, the stability of flow and speed, the unstable problem of garbage pyrolysis combustible gas electricity generation among the prior art is solved.
Simultaneously, every rubbish pyrolysis equipment's combustible gas export all communicates with gas storage equipment's gas inlet, be provided with first valve between every rubbish pyrolysis equipment and the gas storage equipment, each rubbish pyrolysis equipment uses in parallel promptly, mutual noninterference, when the rubbish volume is not enough in certain rubbish pyrolysis equipment, alright in order to close corresponding first valve earlier, provide combustible gas by other rubbish pyrolysis equipment, the operation is arranged in a flexible way, do not receive the place condition constraint, therefore, the quantity of rubbish pyrolysis equipment does not do the injecing, can carry out the adaptability setting according to the place condition.
Furthermore, the utility model discloses be provided with the second valve between gas storage equipment and gas boiler, because subsequent applied scene does not need the power supply always, perhaps the refuse handling capacity on certain day is less, and also or partial equipment need overhaul the maintenance, and on the same day or on the same day a period need not generate electricity, at this moment, can close the second valve, save combustible gas earlier, open the second valve again when needs, resume the air feed, it is more nimble.
Optionally, the garbage pyrolysis device further comprises a condensing unit, the condensing unit is arranged between the gas storage device and the corresponding garbage pyrolysis device, the first valve is located between the garbage pyrolysis device and the condensing unit, and the third valve is located between the condensing unit and the gas storage device.
Optionally, the number of the gas storage devices is more than two, the third valve is arranged between each gas storage device and the condensing unit, and the second valve is arranged between each gas storage device and the gas-fired boiler.
Optionally, a non-return device is further disposed between each of the waste pyrolysis devices and the condensation unit, so that pyrolysis gas can only flow from the waste pyrolysis devices to the condensation unit;
and/or a check device is arranged between each gas storage device and the condensing unit, so that the pyrolysis gas can only flow to the gas storage device from the condensing unit.
Optionally, a fire stopping device is further arranged between the gas storage device and the gas boiler.
Optionally, the gas-fired boiler comprises a combustion chamber and a water storage chamber, the combustion chamber and the water storage chamber are separated by a heat transfer wall, a gas outlet of the gas storage device is communicated with the combustion chamber, and the water storage chamber is provided with the steam outlet.
Optionally, the device further comprises a flue gas purification device, wherein the flue gas purification device is communicated with the flue gas outlet of the combustion chamber.
Optionally, the garbage pyrolysis equipment is low-temperature magnetization pyrolysis equipment, and the pyrolysis temperature is 200-400 ℃.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention for generating electricity by pyrolyzing waste to generate combustible gas;
wherein the reference numerals in fig. 1 are explained as follows:
100-a waste pyrolysis apparatus; 101-gas storage equipment; 102-a gas boiler; 1021-a combustion chamber; 1022-a water storage chamber; 103-a steam turbine; 104-a first valve; 105-a second valve; 106-a condensation unit; 107-third valve; 108-flue gas cleaning equipment.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
The terms "first," "second," and the like, herein are used for convenience in describing two or more structures or components that are identical or similar in structure and/or function and do not denote any particular limitation in order and/or importance.
As used herein, the term "plurality" refers to an indefinite plurality, usually more than two; and when the term "plurality" is used to indicate a quantity of a particular element, it does not indicate a quantitative relationship between such elements.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a device for generating power by pyrolyzing waste and using combustible gas according to the present invention.
The utility model provides an utilize device of rubbish pyrolysis combustible gas electricity generation, including rubbish pyrolysis equipment 100, gas storage equipment 101, gas boiler 102 and steam turbine 103, wherein:
the number of the garbage pyrolysis devices 100 is more than two, the single-day pyrolysis amount of each garbage pyrolysis device 100 does not exceed a preset value, a combustible gas outlet of each garbage pyrolysis device 100 is communicated with a gas inlet of the gas storage device 101, a gas outlet of the gas storage device 101 is communicated with the gas boiler 102, the gas boiler 102 is used for burning combustible gas and generating steam, and a steam outlet of the gas boiler 102 is communicated with the steam turbine 103;
a first valve 104 is arranged between each garbage pyrolysis device 100 and the corresponding gas storage device 101 and is used for controlling the connection and disconnection of pipelines between the corresponding garbage pyrolysis device 100 and the corresponding gas storage device 101; a second valve 105 is disposed between the gas storage device 101 and the gas boiler 102 for controlling the connection and disconnection of the pipeline between the gas storage device 101 and the gas boiler 102.
The utility model discloses utilize device of rubbish pyrolysis combustible gas electricity generation, at first, prescribe a limit to the single day's pyrolysis volume of rubbish pyrolysis equipment 100, set for according to rubbish kind, above-mentioned "default" rubbish daily treatment volume usually is no more than 5 tons, prescribe a limit to rubbish pyrolysis equipment 100 for the small-size equipment promptly, the treatment capacity of small-size equipment is little, the required material of throwing is less each time, not only can guarantee that each stage of drying, carbonization, decomposition can reach anticipated treatment, the pyrolysis effect is better, and it is more stable than large-scale equipment gas production volume; more than two garbage pyrolysis devices 100 are put into use together, so that the garbage treatment capacity is increased, and simultaneously, large devices corresponding to the pyrolysis reaction of a single small device are more sufficient, so that the gas production rate can be improved; garbage is pyrolyzed by garbage pyrolysis equipment 100 to generate combustible gas, then the combustible gas can be stored in the gas storage equipment 101 in a centralized manner, when power is required to be generated, the gas storage equipment 101 starts to supply gas to the gas-fired boiler 102, the gas-fired boiler 102 fully burns the combustible gas, steam is generated to enter the steam turbine 103 for power generation, the stability and the continuity of the combustible gas are ensured, the generated combustible gas can be subjected to centralized combustion power generation by the aid of the gas storage equipment 101, the gas content entering the boiler is ensured, the flow and the speed stability are ensured, and the problem that the garbage pyrolysis combustible gas is unstable in power generation in the prior art is solved.
Meanwhile, the combustible gas outlet of each garbage pyrolysis device 100 is communicated with the gas inlet of the gas storage device 101, a first valve 104 is arranged between each garbage pyrolysis device 100 and the gas storage device 101, namely, each garbage pyrolysis device 100 is used in parallel and does not interfere with each other, when the amount of garbage in a certain garbage pyrolysis device 100 is insufficient, the corresponding first valve 104 can be closed firstly, combustible gas is provided by other garbage pyrolysis devices 100, the operation is flexible in arrangement and is not restricted by site conditions, therefore, the quantity of the garbage pyrolysis devices 100 is not limited, and the adaptive setting can be carried out according to the site conditions.
Furthermore, the utility model discloses be provided with second valve 105 between gas storage equipment 101 and gas boiler 102, because subsequent application scene does not need the power supply always, or the refuse handling capacity of certain day is less, and also or partial equipment need overhaul the maintenance, and on the same day or on the same day a period need not generate electricity, at this moment, can close second valve 105, store combustible gas earlier, open second valve 105 when needs are generated electricity again, resume the air feed.
Please continue to refer to fig. 1, the present invention further includes the present invention, wherein the condensing unit 106 is disposed between the garbage pyrolysis apparatus 100 and the gas storage apparatus 101, the first valve 104 is disposed between the garbage pyrolysis apparatus 100 and the condensing unit 106, and the present invention further includes a third valve 107 disposed between the condensing unit 106 and the gas storage apparatus 101 for controlling the on/off of the pipeline between the condensing unit 106 and the gas storage apparatus 101.
In the utility model, the condensing unit 106 is arranged in front of the gas storage device 101, on one hand, water vapor in the combustible gas can be removed, and the heat value of the combustible gas is improved; on the other hand, tar in the combustible gas can be removed, and the pipeline and the valve of the gas storage device 101 are prevented from being blocked. When the condensing unit 106 or the gas storage apparatus 101 needs to be overhauled, or when the garbage disposal amount is small and combustible gas is not generated, the third valve 107 can be closed, and when the combustible gas needs to be stored, the third valve 107 is opened.
Further, in this embodiment, the number of the gas storage devices 101 is two, a third valve 107 is disposed between each gas storage device 101 and the condensing unit 106, and a second valve 105 is disposed between each gas storage device 101 and the gas boiler 102.
According to the arrangement, the two gas storage devices 101 are used in parallel, in practical application, one of the gas storage devices 101 can store gas firstly, the gas is supplied by the gas storage device 101 after the gas storage device is full, and meanwhile, the other gas storage device 101 starts to store gas, so that the two gas storage devices 101 work alternately, and the stability and reliability of gas supply are ensured.
It can be understood that, in practical applications, the number of the gas storage devices 101 is not limited, and for example, more than two gas storage devices 101 may alternatively operate.
As shown in fig. 1, in this embodiment, the condensing unit 106 is connected to the two gas storage devices 101 through a three-way pipe, and three connection ends of the three-way pipe are respectively connected to the condensing unit 106 and the two gas storage devices 101, so that the structure is simple. It can be understood that the condensing unit 106 and the two gas storage devices 101 may also be connected by two connecting pipes, each of the two connecting pipes has one end connected to the condensing unit 106, and the other ends of the two connecting pipes are correspondingly connected to the two gas storage devices 101.
Similarly, in this embodiment, the two gas storage devices 101 are connected to the gas boiler 102 through a three-way pipe, and three connection ends of the three-way pipe are respectively connected to the gas boiler 102 and the two gas storage devices 101, so that the structure is simple. It can be understood that the gas boiler 102 and the two gas storage devices 101 may be connected to each other by two connecting pipes, each of the two connecting pipes has one end connected to the gas boiler 102, and the other ends of the two connecting pipes are correspondingly connected to the two gas storage devices 101.
In this embodiment, a non-return device is further disposed between each garbage pyrolysis apparatus 100 and the condensing unit 106, so that the combustible gas can only flow from the garbage pyrolysis apparatus 100 to the condensing unit 106, and the combustible gas is ensured not to flow back.
A check device is further disposed between each gas storage device 101 and the condensing unit 106, so that the pyrolysis gas can only flow from the condensing unit 106 to the gas storage device 101, and it is ensured that the combustible gas does not flow back.
The non-return device is well known in the prior art and will not be described herein. Such as a non-return device, may be a check valve, etc.
Further, in this embodiment, a fire-stopping device is further disposed between the gas storage device 101 and the gas boiler 102, so as to ensure the safety of the gas storage device 101.
Likewise, the fire stopping device is well known in the art and will not be described further herein. For example, the fire stopping device can be a flame arrester and the like.
Referring to fig. 1, in the present invention, the gas boiler 102 includes a combustion chamber 1021 and a water storage chamber 1022, the combustion chamber 1021 and the water storage chamber 1022 are separated by a heat transfer wall, a gas outlet of the gas storage device 101 is communicated with the combustion chamber 1021, the combustible gas enters the combustion chamber 1021 to be fully combusted to generate heat, liquid water in the water storage chamber 1022 absorbs the heat to be vaporized into steam, and the water storage chamber 1022 has the steam outlet.
Wherein, the temperature of the combustion chamber 1021 should be above 850 ℃, and the combustible gas stays in the furnace for more than or equal to 2s, which accords with the condition of further controlling dioxin.
Further, the flue gas purification device 108 is further included, the flue gas purification device 108 is communicated with a flue gas outlet of the combustion chamber 1021, the flue gas purification device 108 specifically comprises one or more of flue gas treatment facilities such as a cyclone dust collector, a condensation dust collector and a bag-type dust collector, and tail gas is discharged from a chimney after reaching the standard, so that the environment-friendly effect is achieved.
In the embodiment, the garbage pyrolysis device 100 is a low-temperature magnetization pyrolysis device, and the pyrolysis temperature is 200-400 ℃, so that on one hand, the energy consumption can be reduced, and the energy can be saved; on the other hand, pyrolysis equipment can produce more pyrolysis gas than other high temperature pyrolysis equipment.
It is right above the utility model provides an utilize device of rubbish pyrolysis combustible gas electricity generation to introduce in detail, it is right to have used specific individual example herein the utility model discloses a principle and implementation mode are elucidated, and the description of above embodiment is only used for helping understanding the utility model discloses a method and core thought thereof. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (8)
1. An apparatus for generating electricity by pyrolyzing combustible gas using waste, comprising a waste pyrolysis device (100), a gas storage device (101), a gas boiler (102), and a steam turbine (103), wherein:
the number of the waste pyrolysis devices (100) is more than two, the single-day pyrolysis amount of each waste pyrolysis device (100) does not exceed a preset value, a combustible gas outlet of each waste pyrolysis device (100) is communicated with a gas inlet of the gas storage device (101), a gas outlet of the gas storage device (101) is communicated with the gas boiler (102), the gas boiler (102) is used for burning the combustible gas and generating steam, and a steam outlet of the gas boiler (102) is communicated with the steam turbine (103);
a first valve (104) is arranged between each garbage pyrolysis device (100) and the gas storage device (101), and a second valve (105) is arranged between the gas storage device (101) and the gas boiler (102).
2. The apparatus for generating power by utilizing waste pyrolysis combustible gas according to claim 1, further comprising a condensing unit (106), wherein the condensing unit (106) is disposed between the waste pyrolysis apparatus (100) and the gas storage apparatus (101), the first valve (104) is disposed between the condensing unit (106) and the corresponding waste pyrolysis apparatus (100), and further comprising a third valve (107) disposed between the condensing unit (106) and the gas storage apparatus (101).
3. The apparatus for generating power by pyrolysis of garbage and combustible gas according to claim 2, wherein the number of the gas storage devices (101) is two or more, the third valve (107) is disposed between each gas storage device (101) and the condensing unit (106), and the second valve (105) is disposed between each gas storage device (101) and the gas boiler (102).
4. The apparatus for generating power by pyrolysis of combustible gas from garbage according to claim 2, wherein a non-return device is further provided between each garbage pyrolysis device (100) and the condensing unit (106) so that the combustible gas can only flow from the garbage pyrolysis device (100) to the condensing unit (106);
and/or a check device is arranged between each gas storage device (101) and the condensing unit (106) so that the combustible gas can only flow to the gas storage device (101) from the condensing unit (106).
5. The apparatus for generating power by pyrolysis of garbage and combustible gas according to claim 1, wherein a fire stopping device is further disposed between the gas storage device (101) and the gas boiler (102).
6. The apparatus for generating electricity by pyrolysis of combustible gas using garbage according to any one of claims 1 to 5, wherein the gas boiler (102) comprises a combustion chamber (1021) and a water storage chamber (1022), the combustion chamber (1021) and the water storage chamber (1022) are separated by a heat transfer wall, a gas outlet of the gas storage device (101) is communicated with the combustion chamber (1021), and the water storage chamber (1022) has the steam outlet.
7. The apparatus for generating electricity by utilizing garbage pyrolysis combustible gas as claimed in claim 6, further comprising a flue gas purification device (108), wherein the flue gas purification device (108) is communicated with the flue gas outlet of the combustion chamber (1021).
8. The apparatus for generating electricity by pyrolyzing refuse with combustible gas according to any one of claims 1 to 5, wherein the refuse pyrolysis device (100) is a low-temperature magnetic pyrolysis device, and the pyrolysis temperature is 200 to 400 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223018666.9U CN218544448U (en) | 2022-11-14 | 2022-11-14 | Device for generating electricity by utilizing garbage pyrolysis combustible gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223018666.9U CN218544448U (en) | 2022-11-14 | 2022-11-14 | Device for generating electricity by utilizing garbage pyrolysis combustible gas |
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| CN218544448U true CN218544448U (en) | 2023-02-28 |
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| CN202223018666.9U Active CN218544448U (en) | 2022-11-14 | 2022-11-14 | Device for generating electricity by utilizing garbage pyrolysis combustible gas |
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| CN (1) | CN218544448U (en) |
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