CN211819658U - Solid waste treatment energy comprehensive utilization system - Google Patents
Solid waste treatment energy comprehensive utilization system Download PDFInfo
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- CN211819658U CN211819658U CN202020310107.7U CN202020310107U CN211819658U CN 211819658 U CN211819658 U CN 211819658U CN 202020310107 U CN202020310107 U CN 202020310107U CN 211819658 U CN211819658 U CN 211819658U
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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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Abstract
The utility model discloses a solid refuse treatment energy comprehensive utilization system, its characterized in that, it includes: the gas generator set is communicated with a biogas inlet pipeline through a biogas pretreatment system and is connected with a steam generator and a chimney through an electric valve; the methane pretreatment system is provided with a chilled water inlet pipe and a return pipe which are connected with a lithium bromide refrigerating unit, and the lithium bromide refrigerating unit is connected with a tap water cooling water inlet pipe and a cooling water outlet pipe; the steam generator is connected with a steam cylinder through a pipeline, the steam of the steam cylinder is connected with two heat supply pipelines, meanwhile, the steam cylinder is also connected with a condensed water connecting pipeline connected to a water storage tank, and is communicated with a water inlet pipeline of the lithium bromide refrigerating unit through a pipeline steam-water separator; the hot water produced by the lithium bromide refrigerating unit is connected into a hot water tank through a pipeline and is provided with a water supply pipeline flowing to the steam generator. The utility model has the advantages of high comprehensive utilization rate of energy and good optimization effect.
Description
Technical Field
The utility model relates to a refuse treatment technical field especially relates to a solid refuse treatment energy comprehensive utilization system.
Background
The solid waste disposal in the prior art adopts a mode of incineration and power generation, for example, patent applications with application publication number CN109838776A, application publication number 2019.06.04, application number 2019101328251 and name of a steam-water circulation system for the incineration power generation of waste comprise a condensate pump, a feed water heater connected with the condensate pump, a steam deaerator connected with the feed water heater, a feed water pump connected with the outlet of the steam deaerator, a waste incineration boiler connected with the outlet of the water feeding pump, a secondary heating superheater connected with the main steam outlet of the waste incineration boiler, the system comprises a steam turbine connected with an outlet of a secondary heating superheater, a condenser connected with a steam outlet of the steam turbine, a condensing pump inlet connected with an outlet of the condenser, the secondary heating superheater and a feed water heater which are fixedly arranged in a flue of a methane heating furnace, and the system further comprises an oxygen removal evaporator connected with a steam deaerator, and the oxygen removal evaporator is fixedly arranged in the flue of the methane heating furnace.
The method also adopts landfill and generates methane for utilization, such as patent application with application publication number of CN105983567A, application publication number of 2016.10.05, application number of 201510195726X, name of a recycling process of domestic and construction waste and other various treatment methods, which comprises (1) waste fermentation, leachate treatment, pyrolysis gasification furnace and methane combustion supporting; (2) burning garbage and storing and reserving coke slag; (3) the high-temperature flue gas absorbs heat and is recycled, and the flue gas is introduced to a tunnel kiln to burn green bricks for air drying; (4) conveying the coke slag and the fly ash to a tunnel kiln for brick burning; (5) preparing blanks by using reclaimed water and process cooling water, stirring, and generating power by using high-temperature steam; (6) coarsely crushing the construction waste, removing impurities, secondarily finely crushing, removing impurities, and screening recycled aggregate for use; (7) preparing hollow blocks from recycled aggregate with the grain diameter of 3-10 mm; (8) the regenerated fine powder with the particle size of less than 3mm is used for firing bricks.
The garbage disposal does not comprehensively utilize energy, and the utilization potential of the garbage disposal is still to be further excavated and improved.
Disclosure of Invention
To the problem that exists among the prior art, the utility model aims to provide a solid refuse treatment energy comprehensive utilization system who carries out multiple energy utilization to landfill rubbish and improves utilization efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a comprehensive utilization system for solid waste treatment energy comprises:
the gas generator set is communicated with a methane inlet pipeline generated by a solid refuse landfill, is provided with an outward output power end, and is connected with a steam generator and a chimney through an electric valve;
a biogas pretreatment system is arranged between biogas inlet pipelines generated by a solid refuse landfill communicated with a gas generator set, the biogas pretreatment system is connected with the biogas inlet pipelines generated by the solid refuse landfill, the biogas pretreatment system is provided with a chilled water inlet pipe and a return water pipe which are connected with a lithium bromide refrigerating unit and used for carrying out condensation water-gas purification treatment on biogas, and the lithium bromide refrigerating unit is connected with a tap water cooling water inlet pipe and a cooling water outlet pipe;
the steam generated by the steam generator is communicated to a steam branch cylinder through a pipeline, the steam branch cylinder is connected with a heat supply pipe of a solid garbage disposal center and a heat supply pipeline of a percolate treatment plant, meanwhile, the steam branch cylinder is also connected with a condensed water connecting pipeline connected to a water storage tank, and is communicated with a water inlet pipeline of a lithium bromide refrigerating unit through a pipeline steam-water separator;
a hot water tank, it is connected with the inlet channel through the water pump, and the hot water that lithium bromide refrigerating unit produced on the one hand passes through pipeline access hot water tank, and on the other hand is provided with the flow direction steam generator supply channel, steam generator still is connected with the water drainage pipeline to the water storage tank.
As a further explanation of the above scheme, a softened water treatment system is arranged on a water inlet pipeline of the hot water tank, the softened water treatment system is connected with a tap water inlet pipe through a valve, and the water pump is arranged on a connecting pipeline between the softened water treatment system and the hot water tank.
Furthermore, a water supply pipeline between the hot water tank and the steam generator is provided with a water pump and a valve.
Furthermore, the steam generator is connected with a pipeline leading to a chimney through a valve, and the pipeline leading to the chimney is combined with a pipeline of a chimney of the gas generator set to form a chimney channel.
Furthermore, a silencer is further arranged on the chimney channel.
Furthermore, valves are arranged on the pipeline between the steam generator and the steam distributing cylinder, close to the ends of the steam generator and the steam distributing cylinder, and valves are arranged on the outlet pipeline of the steam distributing cylinder and the outlet pipeline of the air pretreatment system and on the inlet and outlet water pipes of tap water cooling water connected with the lithium bromide refrigerating unit.
The biogas pretreatment system comprises a filtering and adsorbing device and a cooling and dewatering device, wherein the filtering and adsorbing device comprises a stainless steel tank body, an adsorbing layer is arranged in the middle section of the tank body, the adsorbing layer is arranged on a supporting plate with holes, a biogas air inlet is arranged on the side part of the tank body below the supporting plate with holes and communicated to a biogas air inlet pipeline generated by a solid refuse landfill, the lower part of the tank body is arranged to be an oblique conical surface, the bottom of the tank body is provided with a discharge hole with a valve, the upper part of the tank body is provided with a cover plate with an air outlet hole, and the air outlet hole is connected to.
The cooling and water removing device is characterized in that perforated plates are arranged at two ends of a tank body, a methane inlet and outlet cavity is formed at two ends of the tank body, vent pipelines are arranged on the perforated plates and fixedly connected to the perforated plates at the two ends of the tank body, the vent pipelines are arranged obliquely, one end of each vent pipeline is high, one end of each vent pipeline is low, the other end of each vent pipeline is low, a condensate water outlet pipe is arranged at the lower end of each vent cavity, the vent cavities are communicated with a purified methane conveying pipeline, a water inlet pipe communicated with a lithium bromide refrigerating unit is arranged at the upper end of the tank body, and a water return pipe.
The utility model has the advantages that:
the utility model adopts a comprehensive utilization system of energy, the methane generated by solid garbage is generated by gas combustion, on one hand, the methane outputs electric power, on the other hand, the methane is reused for energy utilization of a garbage disposal site through steam, and the hot water tank also utilizes the waste heat of the lithium bromide refrigerating unit;
the softened water treatment system can effectively prevent the generation of water scale in related pipelines for the steam generator, and prevent the pipelines from being blocked and influencing the service performance of equipment;
the arrangement of the biogas pretreatment system can effectively eliminate H in the biogas2S, moisture, solid impurities and the like, thereby protecting the gas combustion generator set.
Drawings
Fig. 1 shows a flow chart of the structure of the system for comprehensive utilization of energy for solid waste disposal according to the present invention.
Fig. 2 is a schematic structural view of the biogas pretreatment system of the present invention.
Description of reference numerals:
1: biogas pretreatment system, 2: lithium bromide refrigerating unit, 3: steam generator, 4: chimney, 5: purified biogas conveying pipeline, 6: electric valve, 7: gas generating set, 8: a muffler, 9: hot water tank, 10: demineralized water treatment system, 11: water storage tank, 12: water pump, 13: steam split cylinder, 14: pipeline steam-water separator, 15: valve, 1-1: air outlet holes, 1-2: adsorption layer, 1-3: methane cavity, 1-4: adsorption layer, 1-5: cover plate, 1-6: support plate, 1-7: a biogas inlet, 1-8: discharge port, 1-9: oblique cone, 1-10: pipeline, 1-11: perforated plate, 1-12: vent line, 1-14: perforated plate, 1-15: a water return pipe, 1-16: and a condensed water outlet pipe.
Detailed Description
In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.
The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.
As shown in fig. 1, a system for comprehensive utilization of solid waste treatment energy comprises: the gas generator set 7 is communicated with a biogas inlet pipeline generated by a solid refuse landfill through a biogas pretreatment system 1, a valve 15 is arranged on the pipeline, a biogas conveying pipeline 5 is arranged between the gas generator set 7 and the biogas pretreatment system 1, the gas generator set 7 outputs electric power outwards on one hand, and is connected with a steam generator 3 and a chimney 4 through an electric valve 6 on the other hand; the methane pretreatment system 1 is provided with a chilled water inlet pipe and a return water pipe which are connected with the lithium bromide refrigerating unit 2, the pipes are also provided with valves 15 for carrying out condensation and water gas purification treatment on methane, the lithium bromide refrigerating unit 2 is connected with a tap water cooling water inlet pipe and a cooling water outlet pipe, and the pipes are also provided with the valves 15.
The steam generator 3 is also communicated with a water inlet pipeline of the lithium bromide refrigerating unit 2 through a pipeline steam-water separator 14, and water flows into the lithium bromide refrigerating unit 2 through steam-water separation;
the method comprises the following steps that a hot water tank 9 is arranged and connected with a water inlet pipeline through a water pump 12, a softened water treatment system 10 is arranged on the water inlet pipeline, the softened water treatment system 10 is connected with a tap water inlet pipe through a valve 15, the water pump 12 is arranged on a connecting pipeline between the softened water treatment system 10 and the hot water tank 9, hot water generated by a lithium bromide refrigerating unit 2 is connected into the hot water tank 9 through a pipeline, the hot water tank 9 is provided with a water supply pipeline flowing to a steam generator 3, and the water supply pipeline is provided with the water pump 12 and a valve 15; the steam generator 3 is also connected to a drain line to the water storage tank 11.
The steam generator 3 is connected with a pipeline leading to the chimney 4 through a valve 15, the pipeline leading to the chimney 4 is combined with a pipeline of the chimney 4 of the gas generator set 7 to form a chimney channel, and a silencer 8 is further arranged on the chimney channel.
The far and near ends between the steam generator and the steam distributing cylinder are provided with valves, the outlet pipeline of the steam distributing cylinder 13, the outlet and inlet pipeline of the methane pretreatment system 1 and the inlet and outlet pipeline of the running water cooling water connected with the lithium bromide refrigerating unit 2 are provided with valves.
The utility model discloses a marsh gas pretreatment system, not only can eliminate aqueous vapor wherein, can also eliminate and lead to the power generation unit to the partial composition (such as H) in the marsh gas2S, water, solid impurities and the like) is used for realizing the functions of dehydration, desulfurization, pressure stabilization, impurity removal, safety protection and the like of the biogas, and is also a gas conveying bridge between the biogas anaerobic reaction tank and the generator set or the biogas boiler.
Because the marsh gas belongs to flammable and explosive gas, the marsh gas pretreatment system adopts full stainless steel explosion-proof design equipment and is provided with an explosion-proof equipment instrument; the service life of the equipment is ensured. As shown in figure 2, the utility model discloses a marsh gas pretreatment system includes a filtering and adsorbing device and a cooling and dewatering device, the filtering and adsorbing device includes a stainless steel tank body, an adsorbing layer 1-3 is arranged in the middle section of the tank body, the adsorbing layer 1-3 is arranged on a supporting plate 1-6 with holes, the adsorbing layer 1-3 is formed by laying 50mm thick cobblestones on the supporting plate 1-6 with holes first and then laying desulfurizer, the desulfurizer is purchased from the market, the side part of the tank body under the supporting plate 1-6 with holes is provided with marsh gas inlet 1-7, the marsh gas inlet 1-7 is communicated to the marsh gas inlet pipeline generated by solid refuse landfill, the lower part of the tank body is provided with an oblique cone 1-9, the bottom part is provided with a discharge hole 1-8 with a valve, the oblique cone 1-9 can concentrate the filtered impurities on the discharge hole 1-8, discharging when the biogas is accumulated to a certain degree, wherein the upper part of the tank body is a filtered biogas chamber 1-3, the upper part is provided with a cover plate 1-5 with air outlets 1-1 and 1-4, the air outlets are connected to a cooling and dewatering device through pipelines 1-10, the cooling and dewatering device is formed by arranging perforated plates 1-11(1-14) at two ends of the tank body, vent pipelines 1-12 are arranged on the perforated plates 1-11(1-14) at two ends of the tank body, the vent pipelines 1-12 are fixedly connected to the perforated plates 1-11(1-14) at two ends of the tank body, and a biogas inlet and outlet cavity is formed at two ends of the tank body, wherein the vent pipelines 1-12 are obliquely arranged with one higher end and the other lower end, the vent pipelines 1-12 at the biogas outlet cavity are arranged at the lower end, condensed water outlet pipes 1-16 are arranged at the lower end, the upper end of the tank body is provided with water inlet pipes 1-13 communicated with the lithium bromide refrigerating unit 2, and the lower end is provided with water return pipes 1-15 communicated with the lithium bromide refrigerating unit 2. The gas pretreatment system has the following functions:
1) reducing the gas temperature, reducing the water vapor content and automatically draining water;
2) reducing the content of solid impurities such as dust;
3) reduction of H of gas2The content of S;
4) automatic pressurization and overpressure protection functions to stabilize outlet pressure, temperature and flow of system gas;
5) the device can also have the functions of on-line monitoring and alarming, thereby ensuring the safe and reliable long-term operation of the system;
6) the equipment can run in a full-automatic mode, has the functions of self data acquisition, display and remote communication, and is provided with a full-automatic online monitoring system and an emergency bypass to ensure the safety of a processing system.
In this embodiment, the lithium bromide refrigeration unit 2, the gas generator unit 7, the steam generator 3, the steam cylinder 13, and the softened water treatment system 10 are all commercially available.
It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.
Claims (8)
1. The utility model provides a solid refuse treatment energy comprehensive utilization system which characterized in that, it includes:
the gas generator set is communicated with a biogas inlet pipeline generated by a solid refuse landfill, and is connected with a steam generator and a chimney through an electric valve on one hand, and outputs electric power to the outside on the other hand;
a biogas pretreatment system is arranged between the gas generator set and a biogas inlet pipeline generated by the solid refuse landfill, the biogas pretreatment system is connected with the biogas inlet pipeline generated by the solid refuse landfill, the biogas pretreatment system is provided with a chilled water inlet pipe and a return water pipe which are connected with a lithium bromide refrigerating unit and used for carrying out condensation water-gas purification treatment on biogas, and the lithium bromide refrigerating unit is connected with a tap water cooling water inlet pipe and a cooling water outlet pipe;
the steam generator is communicated with a water inlet pipeline of a lithium bromide refrigerating unit through a pipeline steam-water separator;
a hot water tank, it is connected with the inlet channel through the water pump, and the hot water that lithium bromide refrigerating unit produced passes through pipeline access hot water tank, and hot water tank is provided with flow direction steam generator supply channel, steam generator still is connected with the drain line to the water storage tank.
2. The system for comprehensively utilizing solid waste treatment energy according to claim 1, wherein a softened water treatment system is arranged on the water inlet pipeline of the hot water tank, the softened water treatment system is connected with a tap water inlet pipeline through a valve, and the water pump is arranged on the connecting pipeline of the softened water treatment system and the hot water tank.
3. The system for comprehensively utilizing solid waste treatment energy according to claim 1 or 2, wherein a water pump and a valve are arranged on a water supply pipeline between the hot water tank and the steam generator.
4. The system for comprehensively utilizing solid waste treatment energy according to claim 1 or 2, wherein the steam generator is connected with a pipeline leading to a chimney through a valve, and the pipeline leading to the chimney is combined with a pipeline of a chimney of the gas generator set to form a chimney channel.
5. The system for comprehensively utilizing solid waste treatment energy according to claim 4, wherein a silencer is further arranged on the chimney channel.
6. The system for comprehensively utilizing solid waste treatment energy according to claim 4, wherein valves are arranged on the pipeline between the steam generator and the steam branch cylinder, close to the ends of the steam generator and the steam branch cylinder, and valves are arranged on the outlet pipeline of the steam branch cylinder, the outlet pipeline of the biogas pretreatment system and the inlet and outlet pipes of tap water cooling water connected with the lithium bromide refrigerating unit.
7. The system for comprehensively utilizing the energy resources generated by solid waste treatment according to claim 1 or 2, wherein the biogas pretreatment system comprises a filtering and adsorbing device and a cooling and dewatering device, wherein the filtering and adsorbing device comprises a stainless steel tank body, an adsorbing layer is arranged in the middle section of the tank body, the adsorbing layer is arranged on a supporting plate with holes, a biogas inlet is arranged on the side part of the tank body below the supporting plate with holes and is communicated with a biogas inlet pipeline generated by the solid waste landfill, the lower part of the tank body is provided with an oblique conical surface, the bottom of the tank body is provided with a discharge hole with a valve, the upper part of the tank body is provided with a cover plate with an air outlet hole, and the air outlet hole is connected to the.
8. The system for comprehensive utilization of solid waste disposal energy according to claim 7, wherein the cooling and dewatering device comprises a tank body, two ends of the tank body are provided with perforated plates, two ends of the tank body are provided with methane inlet and outlet cavities, the perforated plates are provided with vent pipes, the vent pipes are fixedly connected to the perforated plates at the two ends of the tank body, the vent pipes are obliquely arranged, one end of each vent pipe is higher than the other end of each methane outlet cavity, one end of each vent pipe is lower than the other end of each methane outlet cavity, the lower end of each methane outlet cavity is provided with a condensate water outlet pipe, the methane outlet cavities are communicated with a purified methane conveying pipeline, the upper end of the tank body is provided with a water inlet pipe communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020310107.7U CN211819658U (en) | 2020-03-13 | 2020-03-13 | Solid waste treatment energy comprehensive utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020310107.7U CN211819658U (en) | 2020-03-13 | 2020-03-13 | Solid waste treatment energy comprehensive utilization system |
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| CN211819658U true CN211819658U (en) | 2020-10-30 |
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| CN202020310107.7U Active CN211819658U (en) | 2020-03-13 | 2020-03-13 | Solid waste treatment energy comprehensive utilization system |
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