Integrated waste incineration power plant layout structure

Abstract

The invention discloses an integrated waste incineration power plant layout structure which comprises a waste storage area, a sewage treatment area, a boiler incineration area, a power distribution area, a steam turbine power generation area and a flue gas treatment area which are integrally arranged, the boiler incineration area comprises an incinerator, and a feeding port of the incinerator is arranged close to the waste storage area; the incinerator communicates with a waste heat furnace, the steam turbine power generation area is located at the end, close to the waste heat furnace, of the power distribution area and comprises a steam turbine generator communicating with a steam opening of the waste heat furnace, and the smoke treatment area is located at the end, away from the garbage storage area, of the power distribution area. And the flue gas treatment system comprises a flue gas purification system communicated with a flue gas port of the waste heat furnace. All functional areas in garbage power generation are integrated into one building single body, some building functional rooms and structural members are shared, the land area is saved, and the structural members are reduced, for example, walls of a garbage storage area and walls of other areas are combined, so that the civil engineering cost of each ton of garbage is reduced.

Description

Technical Field

[0001] The present invention belongs to the technical field of waste power generation, and in particular relates to an integrated waste incineration power generation plant layout structure. Background Art

[0002] Waste incineration is currently the mainstream process for treating domestic waste. Conventional waste-to-energy projects arrange the relevant equipment and functional rooms according to the specific domestic waste treatment process flow. This is also influenced by the equipment size of different manufacturers, resulting in a relatively long industrial plant, which places certain requirements on the project site.

[0003] However, when the project processing scale is small, the average civil construction cost per ton of garbage is high. Summary of the Invention

[0004] The object of the present invention is to provide an integrated waste incineration power generation plant layout structure to solve one or more technical problems existing in the prior art.

[0005] The technical solutions adopted to solve the above technical problems are: The present invention discloses an integrated waste incineration power plant layout structure, comprising: A garbage storage area, with the garbage storage area as the center, and its edges are integrated with a sewage treatment area, a boiler incineration area, and a power distribution area. The boiler incineration area includes an incinerator, and the feed inlet of the incinerator is arranged near the garbage storage area. The incinerator is connected to a waste heat furnace, and the waste heat furnace includes a steam outlet and a flue gas outlet; a steam turbine power generation area, the steam turbine power generation area being integrated at one end of the power distribution area close to the waste heat furnace, the steam turbine power generation area comprising a steam turbine generator, the steam turbine generator being in communication with the steam port; A flue gas treatment area is integrated at one end of the power distribution area away from the garbage storage area. The flue gas treatment system includes a flue gas purification system, and the flue gas treatment system is connected to the flue gas outlet.

[0006] The present invention has at least one beneficial effect: the sewage treatment area, boiler incineration area, and power distribution area are all integrated and arranged along the edge of the waste storage area, centered around the waste storage area. This allows the waste storage area and adjacent areas, such as the sewage treatment area, to share a common wall, reducing wall construction costs. Furthermore, no partitions are required between the waste storage area and adjacent areas, thus reducing the floor space occupied by the integrated waste incineration power plant layout and civil engineering costs. Furthermore, because the sewage treatment area and other adjacent areas surround the waste storage area, they provide structural support for the waste storage area, effectively reducing deformation of the waste storage area caused by the load of stored waste.

[0007] The garbage storage area and the sewage treatment area are arranged adjacent to each other, so the garbage leachate can be connected to the sewage treatment area for treatment in the shortest distance, without the need to set up complicated pipelines, thus reducing costs. Moreover, since the sewage treatment area is set along the edge of the garbage storage area, the transportation distance of media such as sewage, concentrate, and odor can be reduced, saving project costs and reducing system operation energy consumption.

[0008] The incinerator's feed port is located near the waste storage area, minimizing the distance the waste must be transported to the incinerator and reducing costs. The incinerator and waste heat boiler are connected, allowing flue gas generated by burning waste in the incinerator to be directly fed into the waste heat boiler. The steam port of the waste heat boiler is used to output the steam generated after heat exchange. The steam turbine generator area is located near the waste heat boiler and the power distribution area, allowing the turbine generator to quickly generate electricity through steam, saving on steam piping. The electricity is distributed through the adjacent power distribution area, saving on cable length and reducing costs.

[0009] The flue gas outlet of the waste heat furnace is used to output the flue gas after heat exchange. The high-temperature flue gas is cooled in the waste heat furnace to prevent the flue gas with excessively high temperature from damaging the treatment process of the flue gas treatment system.

[0010] As a further improvement of the above technical solution, the sewage treatment area includes a plurality of tank bodies, and the plurality of tank bodies are arranged along a long end edge and a short end edge connected to the garbage storage area.

[0011] As a further improvement of the above technical solution, a unloading platform area is provided above the sewage treatment area, a unloading door is provided between the unloading platform area and the garbage storage area, and a ramp for communication is provided between the factory ground and the unloading platform area.

[0012] As a further improvement of the above technical solution, a pipe interlayer is further provided between the sewage treatment area and the unloading platform area, and the pipe interlayer is used for laying pipes connecting the multiple tank bodies.

[0013] As a further improvement of the above technical solution, a feeding platform area is provided above the garbage storage area, the feeding platform area is provided with a grab bucket, and the feed port of the incinerator is connected to the feeding platform area.

[0014] As a further improvement of the above technical solution, the feeding platform area is provided with an inspection hole, which is opposite to the unloading platform area in upper and lower directions, so that the grab bucket passes through the inspection hole to reach the unloading platform area.

[0015] As a further improvement of the above technical solution, an ash storage area is integrated at the edge of the boiler incineration area, the ash storage area is connected to the waste slag port of the incinerator, and the waste heat furnace is installed above the ash storage area.

[0016] As a further improvement of the above technical solution, the ash storage area includes a slag pool, a slag crane and a loading site, and the slag pool is connected to the waste slag outlet.

[0017] As a further improvement of the above technical solution, the flue gas treatment area further includes a chimney, the flue gas purification system is connected to the chimney, and a monitoring device is provided in the chimney.

[0018] As a further improvement of the above technical solution, a leachate channel is provided at the bottom of the garbage storage area, the pool body includes a leachate collection pool, and the leachate channel is connected to the leachate collection pool pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments; Figure 1 This is a plan view of the layout structure of the integrated waste incineration power plant provided by an embodiment of the present invention at an elevation of 0 meters; Figure 2 yes Figure 1 AA cross-sectional view; Figure 3 yes Figure 1 Cross-sectional view at BB; Figure 4 This is a plan view of the layout structure of the integrated waste incineration power plant provided by an embodiment of the present invention, with an elevation of 4 meters; Figure 5 This is a plan view of the layout structure of the integrated waste incineration power plant provided by an embodiment of the present invention, with an elevation of 7 meters; Figure 6 This is a plan view of the layout structure of the integrated waste incineration power plant provided by an embodiment of the present invention at an elevation of 23 meters; Figure 7 This is a roof layout diagram of the layout structure of the integrated waste incineration power plant provided by an embodiment of the present invention.

[0020] The following are marked in the accompanying drawings: 100. Garbage storage area; 110. Garbage pit; 120. Spare room; 130. Restroom; 140. Visitor corridor; 150. Garbage pit roof; 200, sewage treatment area; 210, sludge tank; 220, primary sedimentation tank; 230, regulating tank; 240, intermediate water tank; 250, anaerobic sedimentation tank; 260, anoxic tank; 270, aerobic tank; 280, sewage treatment roof; 300. Anaerobic tank; 400, boiler incineration area; 410, incineration room; 411, incinerator; 420, feed port; 430, slag scooping machine; 440, front platform; 450, rear platform; 460, boiler slag pool roof; 510, power distribution area; 520, central control room; 530, turbine generation area; 531, turbine room roof; 540, grid-connected power distribution area; 541, main transformer room; 542, high-voltage distribution room; 543, grid-connected power distribution roof; 600, unloading platform area; 610, unloading door; 620, ramp; 630, pipe mezzanine; 640, lifting site; 650, unloading platform roof; 700, feeding platform area; 710, grab bucket; 720, manhole; 721, sealed steel cover; 730, feeding platform; 740, power distribution room; 750, control room; 800, ash storage area; 810, slag pool; 820, slag crane; 830, loading site; 840, waste heat furnace; 900. Flue gas treatment area; 910. Flue gas purification system; 920. Chimney; 930. Flue gas treatment roof; 940. Fly ash stabilization room; 950. Lime slurry preparation room; 960. Activated carbon room; 970. Alkali solution preparation room; 980. Flue gas auxiliary roof. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it should not be understood as a limitation on the scope of protection of the present invention.

[0022] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0023] In the description of the present invention, if words such as "several" are used, they mean one or more; "more" means two or more; "greater than," "less than," and "exceed" are understood to exclude the number itself; and "above," "below," and "within" are understood to include the number itself. The terms "first," "second," and "third" are used solely to distinguish technical features and are not to be construed as indicating or implying relative importance, or as implicitly specifying the number of the indicated technical features, or as implicitly specifying the order of the indicated technical features.

[0024] It should be noted that, in the accompanying drawings, the X direction is from the rear side to the front side of the integrated waste incineration power plant layout structure; the Y direction is from the left side to the right side of the integrated waste incineration power plant layout structure; and the Z direction is from the bottom side to the top side of the integrated waste incineration power plant layout structure.

[0025] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0026] Reference Figures 1 to 7 , several embodiments of the layout structure of the integrated waste incineration power plant of the present invention are given below.

[0027] like Figures 1 to 7 As shown, the layout structure of the integrated waste incineration power plant in an embodiment of the present invention includes a waste storage area 100, a sewage treatment area 200, a boiler incineration area 400, a power distribution area 510, a steam turbine power generation area 530 and a flue gas treatment area 900.

[0028] It is understandable that if Figure 1 As shown, the sewage treatment area 200, boiler incineration area 400, and power distribution area 510 are integrated along the edges of the waste storage area 100, with the waste storage area 100 as the center. This allows the waste storage area 100 to share a common wall with other adjacent areas. Taking the sewage treatment area 200 as an example, the front end of the sewage treatment area 200 and the rear end of the waste storage area 100 can share a common wall, eliminating the need for separate walls. This reduces wall construction costs, thereby reducing civil engineering costs. Furthermore, no spacing is required between the two areas, reducing the floor space.

[0029] In this way, other functional areas surround waste storage area 100 according to their functional requirements. This not only meets the requirements of the waste incineration process, but also effectively achieves the structural purpose of supporting the central area components with components in the surrounding areas. Each component can play its role to the maximum extent possible, avoiding duplication of components and forming an organically supported whole for the entire plant. Compared with conventional layout systems, the layout structure of the integrated waste incineration power plant is more reliable and safe.

[0030] As will be appreciated, sewage treatment area 200 is used to treat landfill leachate. Specifically, the shared wall between waste storage area 100 and sewage treatment area 200 allows leachate from waste storage area 100 to be piped into sewage treatment area 200 over the shortest distance possible, further reducing costs. Sewage treatment area 200 processes leachate to meet standards before reuse, achieving zero-emissions after leachate treatment. This eliminates the need for conventional leachate to be transported long distances via pipelines to sewage treatment plants, reduces the cost of leachate pipelines, and mitigates the risk of leachate leakage.

[0031] It is understandable that the sewage treatment area 200 is concentrated next to the garbage storage area 100, which reduces the transportation distance of media such as sewage, concentrate, biogas and odor, saves project costs, and reduces system operation energy consumption.

[0032] It is understandable that the boiler incineration area 400 is closely arranged along the front long end edge of the garbage storage area 100, such as Figure 1 Specifically, the boiler incineration area 400 includes an incinerator 411, and the feed port 420 of the incinerator 411 is arranged close to the garbage storage area 100, so that garbage can enter the feed port 420 of the incinerator 411 from the garbage storage area 100, thereby reducing the transportation path of garbage. Figure 2 shown.

[0033] It can be understood that the power distribution area 510 is arranged along the right short end edge of the garbage storage area 100, so that the power distribution area 510 forms an auxiliary span of the garbage storage area 100 to resist and support the horizontal thrust of garbage in the garbage storage area 100.

[0034] It will be appreciated that incinerator 411 is connected to waste heat furnace 840, and the flue gas generated by the waste incineration is directly transferred from the chamber of incinerator 411 to the chamber of waste heat furnace 840. Waste heat furnace 840 is used to recover heat from the flue gas, ensuring that the flue gas temperature does not damage the processing equipment in flue gas treatment area 900. Waste heat furnace 840 includes a steam port for outputting steam generated by heat exchange, and a flue gas port for outputting flue gas after heat exchange.

[0035] It can be understood that the power distribution area 510 extends in the front-to-back direction, and the end thereof close to the waste heat furnace 840 is connected to the steam turbine power generation area 530, that is, the front end of the power distribution area 510 is connected to the steam turbine power generation area 530, such as Figure 1 、 Figure 4 and Figure 5 As shown, the length of the steam pipe required for steam communication between the two is reduced, and the heat loss of steam during transportation is reduced. Specifically, the steam turbine power generation area 530 includes a steam turbine generator, and the steam port is connected to the steam turbine generator through a short steam pipe.

[0036] In this way, after the garbage is incinerated in incinerator 411, the heat energy recovered by waste heat boiler 840 converts water into steam. This steam is then transported via steam pipes to the turbine generators in turbine power generation area 530, where it drives the turbine generators to generate electricity. The power distribution area 510 and turbine power generation area 530 are closely aligned in terms of location and function. The turbine generators provide stable power output, while the power distribution area 510 ensures the safe and efficient distribution of power to the electrical equipment in each area. Together, they form the core framework of the power system.

[0037] It is understandable that the power distribution area 510 is provided with a smoke treatment area 900 at the right end away from the garbage storage area 100. Figure 1 As shown, the flue gas treatment area 900 extends in the front-to-back direction, so that the long strip of space is sufficient for the flue gas treatment area 900 to arrange the relevant equipment in a linear manner according to its flue gas treatment process, so that the flue gas generated by the garbage incineration can be treated in an orderly manner, ensuring that the treated flue gas meets the emission standards.

[0038] It is understood that the flue gas treatment area 900 includes a flue gas purification system 910, such as Figure 1 、 Figure 4 and Figure 5 As shown, the flue gas outlet is connected to the flue gas purification system 910, which is used to remove various pollutants in the flue gas.

[0039] In this embodiment, the garbage storage area 100 is a cubical garbage pit 110 constructed from multiple concrete walls, and the sewage treatment area 200 is a sewage treatment tank constructed from multiple concrete walls. Therefore, the garbage pit 110 and the sewage treatment tank form an integrated structure, with the connecting portion sharing a common concrete wall. After collection, leachate can be transported to the sewage treatment tank for treatment over the shortest possible distance, saving on pipelines.

[0040] It is understood that the sewage treatment tank includes multiple tanks stacked and separated by concrete walls. The multiple tanks are arranged along the rear long end and left short end edge of the garbage tank 110. In this way, the multiple separated tanks close to the garbage tank 110 can further provide favorable support for the garbage tank 110, effectively reducing the deformation of the garbage tank 110 caused by the stacked garbage load.

[0041] In this embodiment, the sewage treatment tank is an L-shaped tank body formed by multiple tank bodies. Specifically, the multiple tank bodies include a sludge tank 210, a primary sedimentation tank 220, a regulating tank 230, an intermediate water tank 240, an anaerobic sedimentation tank 250, an anoxic tank 260, an aerobic tank 270, and an anaerobic tank 300. Among them, the regulating tank 230, the anoxic tank 260, and the aerobic tank 270 are arranged from left to right at the rear edge of the garbage tank 110, the sludge tank 210 and the primary sedimentation tank 220 are arranged from left to right and are located at the left end of the regulating tank 230, the intermediate water tank 240 and the anaerobic sedimentation tank 250 are arranged from front to back and at the right end of the regulating tank 230, and the anaerobic tank 300 is arranged at the left edge of the garbage tank 110, as shown in FIG. Figure 1 shown.

[0042] It can be understood that a leachate channel is provided at the bottom of the garbage pool 110, and the sewage treatment area 200 also includes a leachate collection pool, which is located below the regulating pool 230. The leachate channel and the leachate collection pool are connected by pipes. Since the regulating pool 230 is arranged close to the garbage pool 110, the leachate channel and the leachate collection pool can be connected by the shortest pipe, shortening the laying length of the pipe, reducing the difficulty of laying the pipe, and reducing the cost.

[0043] It is understandable that the sewage treatment area 200 also includes a membrane workshop, a dehydration room and a fan room. The membrane workshop is located behind the anoxic tank 260 and the aerobic tank 270, and the fan room and the dehydration room are located from front to back and to the right of the aerobic tank 270.

[0044] In this embodiment, the bottom elevation of the garbage pool 110 is -6 meters, and the bottom elevation of the sewage treatment pool is -3.5 meters. The bottom elevations of the garbage pool 110 and the sewage treatment pool can be appropriately adjusted according to the actual garbage processing volume. The bottom elevation of the sewage treatment pool is not greater than the depth of the garbage pool 110.

[0045] It is understandable that the anaerobic tank 300 also includes auxiliary equipment such as an anaerobic water inlet pump and a water seal tank.

[0046] It is understandable that the leachate is treated using the following process: "pretreatment + upflow anaerobic sludge blanket (UASB) anaerobic reactor + membrane bioreactor (MBR) + nanofiltration membrane (NF) + reverse osmosis membrane (RO). The treatment process is as follows: 1) The leachate seeping out of the garbage pool 110 is led out of the leachate channel through the diversion channel, and the large particles of suspended matter and floating matter in the leachate are removed by the coarse screen before entering the leachate collection pool.

[0047] 2) The leachate from the collection tank is transported by the leachate delivery pump into the self-cleaning filter, where it is further removed of suspended solids and floating matter, and then enters the leachate primary sedimentation tank 220.

[0048] 3) After sedimentation treatment, most of the suspended solids (SS) and some insoluble organic matter are removed and then flow into the regulating tank 230 by gravity. The leachate in the regulating tank 230 is homogenized and weighed and then lifted to the anaerobic tank 300 by the lifting pump.

[0049] 4) The leachate in the equalization tank 230 is lifted by the anaerobic water inlet pump and enters the UASB anaerobic reactor. The UASB anaerobic reactor includes an anaerobic tank 300, an anaerobic sedimentation tank 250 and an intermediate water tank 240. The leachate undergoes anaerobic fermentation in the UASB anaerobic reactor to open the chain links or benzene rings of the high-molecular substances, decompose the large-molecule refractory organic matter into small-molecule organic matter that is more easily biodegradable, and finally convert it into methane, carbon dioxide and water.

[0050] 5) Leachate treated in the UASB anaerobic reactor flows by gravity into the anoxic / aerobic (A / O) biochemical denitrification system. In the anoxic / aerobic process, nitrifying bacteria oxidize ammonia nitrogen into nitrate nitrogen under the aerobic conditions of aerobic tank 270 (O tank). Leachate treated in the nitrification tank is returned to the denitrification tank at a high flow rate and mixed with the raw leachate. Under the anoxic conditions of anoxic tank 260 (A tank), denitrifying bacteria reduce the nitrate nitrogen into nitrogen gas for removal. Alternating between anoxic and aerobic treatment achieves the removal of most organic matter and denitrification.

[0051] 6) After being treated by the A / O biochemical system, the effluent enters the membrane workshop and is pressurized by the ultrafiltration (UF) system inlet pump to enter the external MBR ultrafiltration membrane system for mud-water separation. Most of the particles and colloidal organic matter in the water are intercepted, and the effluent enters the nanofiltration system treatment inlet pool.

[0052] 8) The effluent from the MBR ultrafiltration membrane system enters the NF nanofiltration membrane system to remove most of the divalent ions and organic matter with a molecular weight of 200-1000, and then the effluent enters the NF nanofiltration clear liquid tank.

[0053] 9) The effluent from the NF nanofiltration system is pressurized by the RO reverse osmosis water inlet pump and then enters the RO reverse osmosis system for further treatment, which can remove almost all impurities in the water, such as various monovalent ions, inorganic salts, molecules, organic colloids, bacteria, pathogens, etc. Ensure that the dichromate index (COD cr ), ammonia nitrogen, total nitrogen, heavy metal ions, etc. meet the relevant standard requirements.

[0054] It can be understood that an unloading platform area 600 is provided above the sewage treatment area 200, and the garbage pool 110 extends up and down. The unloading platform area 600 corresponds to the garbage pool 110 front to back, and the two are connected front to back through two unloading doors 610, so that garbage can be dumped from the unloading platform area 600 into the garbage pool 110, and the upper space of the sewage treatment area 200 is reasonably utilized as the unloading platform area 600 for dumping garbage. Figure 2 and Figure 5 shown.

[0055] It is understood that the top of the sewage treatment area 200 is the sewage treatment roof 280. Figure 4 The ramp 620 is located at one end of the unloading platform area 600 away from the garbage storage area 100, as shown in FIG. Figure 5 In this embodiment, ramp 620 is located above sewage treatment roof 280. The left end of ramp 620 connects to the outdoor factory ground at an elevation of 0 meters, and the right end of ramp 620 connects to the left rear end of unloading platform area 600 at an elevation of 6 meters. This allows garbage trucks to enter unloading platform area 600 from the outdoor factory ground via ramp 620.

[0056] It is understandable that the unloading platform area 600 is an unloading hall. The top of the unloading platform area 600 is an unloading platform roof 650 with an elevation of 15 meters. The unloading platform roof 650 can be made of a steel beam supporting a light steel structure roof panel, such as Figure 6 and Figure 7 shown.

[0057] It is understandable that, since multiple tank bodies need to be equipped with various pipes, pumps, etc. so that the landfill leachate can be processed in each tank body in sequence, a pipe interlayer 630 is further provided between the sewage treatment area 200 and the unloading platform area 600 so that the landfill leachate can be processed in sequence along the sewage treatment process, such as Figure 2 shown.

[0058] It can be understood that the pipe interlayer 630 rationally utilizes the height space between the sewage treatment area 200 and the unloading platform area 600.

[0059] In this embodiment, the sewage treatment roof 280 has an elevation of 4 meters, the bottom elevation of the unloading hall has an elevation of 6 meters, and the height of the pipe interlayer 630 has a height of 2 meters, which can be adjusted according to the actual project conditions.

[0060] It is understood that two to three layers of floor slabs can be installed around the garbage pit 110 according to functional requirements, serving as functional rooms for the project. These layers can also serve as supporting floors for the garbage pit 110 to ensure structural stability. The floors are concrete platforms, forming a structural whole with the garbage pit 110 to support the garbage pit 110.

[0061] It can be understood that at a height of 7 meters to 23 meters, a spare room 120, a toilet 130 and a visitor corridor 140 with an elevation of 7 meters are provided on the right edge of the garbage pool 110. The spare room 120, the toilet 130 and the visitor corridor 140 are all located above the power distribution area 510. The spare room 120 and the toilet 130 are arranged from front to back and are located between the visitor corridor 140 and the garbage pool 110. Figure 5 shown.

[0062] It is understood that the top of the anaerobic tank 300 is provided with a sampling room at the front and a hoisting site 640 at the rear. The sampling room and the hoisting site 640 are arranged along the left edge of the garbage tank 110. The sampling room is at an elevation of 7 meters, and the hoisting site 640 is located at the unloading platform area 600 at an elevation of 6 meters. Figure 5 The sampling room and the hoisting site 640 are connected through the corridor on the left.

[0063] It is understandable that the spare room 120, the toilet 130, the visiting corridor 140, and the sampling room can be provided with multiple floors and the elevations can be adjusted according to the specific circumstances of the project.

[0064] It is understood that a feeding platform area 700 is provided above the garbage storage area 100. Figure 6 As shown. The feeding platform area 700 is provided with a grab bucket 710, as shown. Figure 2 As shown, the feeding platform area 700 is connected to the garbage storage area 100, so that the grab bucket 710 can move horizontally and downward into the garbage pool 110. The feeding platform area 700 is connected to the feed port 420 of the incinerator 411, so that the grab bucket 710 can grab the garbage to the feed port 420 of the incinerator 411.

[0065] In this embodiment, the feed inlet 420 of the incinerator 411 is opened upward, and the feeding platform area 700 is also located above the rear end of the boiler incineration area 400. The feed inlet 420 of the incinerator 411 and the feeding platform area 700 are opposite to each other and connected to each other. Figure 2 shown.

[0066] In this way, after grabbing the grab bucket 710 from the garbage pool 110, it first moves up to the feeding platform area 700, and then moves horizontally to the top of the incinerator 411. The grab bucket 710 is controlled to be loosened, so that the grabbed garbage naturally falls downward into the feed port 420 of the incinerator 411, allowing the garbage to enter the incineration process.

[0067] It is understood that a manhole 720 is provided at the left rear end of the feeding platform area 700. Figure 6 As shown, the inspection hole 720 is used for inspection, maintenance and replacement of the grab bucket 710. Specifically, the inspection hole 720 is vertically opposite to the hoisting site 640 of the unloading platform area 600. The grab bucket 710 can be moved horizontally to the inspection hole 720, then moved downward and passed through the inspection hole 720 to reach the 6-meter unloading platform area 600. Workers can inspect the grab bucket 710 at the hoisting site 640, or a maintenance vehicle can be moved to the hoisting site 640 in advance along the route that the garbage truck takes to the unloading platform area 600. After passing through the inspection hole 720, the grab bucket 710 can be directly lowered into the maintenance vehicle, which can then transport the grab bucket 710 out via the ramp 620 for replacement.

[0068] It is understandable that the feeding platform area 700 also includes a feeding platform 730, a power distribution room 740 and a control room 750. Figure 6 As shown, the feeding platform 730 extends horizontally along the top edge of the garbage pit 110. Both the manhole 720 and the incinerator 411's feed port 420 are located on the feeding platform 730. The manhole 720 is equipped with a sealed steel cover 721. Under normal circumstances, the sealed steel cover 721 stably covers the manhole 720, enhancing safety. The feeding platform 730 provides stable support for the incinerator 411's feed port 420. Workers can monitor the garbage transport process of the grab bucket 710 from the feeding platform 730. The power distribution room 740 and control room 750 are arranged from front to back above the power distribution area 510. This shortens the power transmission route between the power distribution room 740, the power distribution area 510, and the control room 750, reducing cable usage. A transparent window is located on the left end of the control room 750, providing the best view of the garbage pit 110 and facilitating the observation and control of the grab bucket 710.

[0069] In this embodiment, the elevation of the feeding platform area 700 is 23 meters, that is, the elevations of the feeding platform 730, the power distribution room 740 and the control room 750 are all 23 meters.

[0070] It is understood that the front edge of the boiler incineration area 400 is integrated with an ash storage area 800, such as Figure 1 As shown, the slag produced after the incineration of the garbage can be quickly transported to the ash storage area 800 for collection. Specifically, the incinerator 411 includes a waste slag port and a slag picker 430. The waste slag port is used to output the incinerated slag. The waste slag port is connected to the slag picker 430, and the slag picker 430 is connected to the ash storage area 800, so that the slag is transported to the ash storage area 800 through the slag picker 430. Figure 2 shown.

[0071] It is understandable that a waste heat furnace 840 is set above the ash storage area 800, and the waste heat furnace 840 is set up in the space above the ash storage area 800 to save floor space. Figure 2 shown.

[0072] It's understood that the boiler incineration area 400 and the ash storage area 800 function as a modular space, constructed with reinforced concrete. The top elevation of the ash storage area 800 is 15 meters, meaning the reinforced concrete frame below 15 meters supports the steel frame of the waste heat furnace 840. The steel columns supporting the waste heat furnace 840 are directly placed on the tops of the 15-meter reinforced concrete frame columns or beams.

[0073] It is understandable that the front end of the feeding platform 730 is the dividing line, and the top of the feeding platform area 700 is the garbage storage tank roof 150 with an elevation of 40 meters. Figure 7 As shown, the garbage storage tank roof 150 can be made of steel beams with light steel structure roof panels. The front roof of the boiler incineration area 400, the roof of the ash storage area 800 and the roof of the waste heat furnace 840 are the same boiler slag pool roof 460, as shown in FIG. Figure 6 and Figure 7 As shown, the elevation of the boiler slag pool roof 460 is 45 meters and a light steel roof can be used.

[0074] It can be understood that, with the front end of the feeding platform 730 as the dividing line, the top of the steam turbine power generation area 530, the top of part of the central control room 520 and the top of part of the viewing corridor 140 are the steam turbine room roof 531 with an elevation of 22 meters. Figure 6 and Figure 7 shown.

[0075] It is understood that the boiler incineration area 400 includes an incineration room 410, the bottom elevation of the incineration room 410 is 0 meters, and the steel column frame supporting the incinerator 411 is arranged on the 0-meter bottom surface of the incineration room 410. Figure 2 、 Figure 4 and Figure 5 The boiler incineration area 400 and the ash storage area 800 are provided with a furnace front platform 440 and a furnace rear platform 450, as shown in FIG. Figure 5 As shown, the front platform 440 and part of the rear platform 450 are located above the incineration room 410 and are arranged around the incinerator 411. The front platform 440 and the rear platform 450 are used to provide working space for workers to observe the furnace condition, check equipment, etc.

[0076] In this embodiment, the elevation of the furnace front platform 440 and the furnace rear platform 450 is 7 meters.

[0077] In this embodiment, the elevations of the power distribution area 510 and the steam turbine power generation area 530 are both 0 meters.

[0078] It is understandable that a central control room 520 is provided above the power distribution area 510. Figure 5 As shown, the elevation of the central control room 520 is 7 meters, and the central control room 520 is connected to the visiting corridor 140.

[0079] It can be understood that the steam turbine power generation area 530 is connected with the front end of the distribution area 510 and the front end of the central control room 520, which better realizes the principle of proximity of distribution lines and the principle of proximity of control of power generation methods.

[0080] It is understandable that the layout structure of the integrated waste incineration power plant also includes an on-grid power distribution area 540, such as Figure 1As shown, the grid-connected power distribution area 540 is located at the end where the steam turbine power generation area 530 and the flue gas treatment area 900 are close to each other. The grid-connected power distribution area 540 includes a main transformer room 541 and a high-voltage distribution room 542 arranged from left to right, so that the cable lines of the protection and control equipment in the central control room 520 are closest, reducing the amount of cables used. Figure 1 、 Figure 4 and Figure 5 shown.

[0081] In this embodiment, the bottom elevation of the power distribution area 540 is 0 meters, and the top of the power distribution area 540 is the power distribution roof 543 with an elevation of 12 meters. Figure 6 and Figure 7 As shown, the grid-connected power distribution roof 543 can be a concrete roof or a light steel roof.

[0082] As will be appreciated, flue gas treatment area 900 also includes a chimney 920, which discharges treated flue gas that meets environmental standards outdoors. Chimney 920 is equipped with a monitoring device that provides real-time online monitoring and feedback to the central control room 520 regarding flue gas treatment data, enabling control personnel to optimally deploy equipment and treatment measures within the flue gas purification system 910.

[0083] Furthermore, the layout structure of the integrated waste incineration power plant can also include a display screen, and the monitoring device is electrically connected to the display screen to display the waste treatment data on a large screen of the power plant for public supervision and inspection.

[0084] It is understood that chimney 920 is arranged at the rear end or rear corner of flue gas purification system 910 to facilitate flue gas discharge. Chimney 920 can be a single-tube concrete chimney 920 or a free-standing single-tube steel chimney 920. When chimney 920 is made of steel, chimney 920 can also be directly hung on the side wall of the building structure of flue gas purification system 910, reducing the basic cost of installing a separate chimney 920.

[0085] In this embodiment, the elevation of the flue gas treatment area 900 is 0 meters. The top of the flue gas purification system 910 is the flue gas treatment roof 930 with an elevation of 40 meters. Figure 6 and Figure 7 As shown, the flue gas treatment roof 930 can be a light steel roof.

[0086] It is understandable that all flue gas from waste incineration enters the waste heat furnace 840, where the temperature is reduced to approximately 190°C by the heating surfaces of the waste heat furnace 840, and then enters the flue gas purification system 910 through the flue gas outlet. The flue gas purification system 910 uses the "selective non-catalytic reduction (SNCR) furnace denitrification + semi-dry deacidification + dry injection + activated carbon adsorption + bag dust removal + wet deacidification + low-temperature selective catalytic reduction (SCR)" method for treatment. In addition, the flue gas treatment area 900 is also equipped with a fly ash stabilization room 940, a lime slurry preparation room 950, an activated carbon room 960, and an alkali solution preparation room 970, which are arranged from front to back and are located to the right of the flue gas purification system 910, as shown in FIG. Figure 1 、 Figure 4 and Figure 5 shown.

[0087] As you can understand, the flue gas first enters the rotary spray reactor. Inside, it reacts with the lime slurry (Ca(OH)2) sprayed from the rotary atomizer at the top of the reactor, neutralizing the acidic gases in the flue gas and reducing the flue gas temperature. After the deacidification reaction, the flue gas enters the bag filter through a connecting pipe equipped with activated carbon and dry powder injection ports. The activated carbon adsorbs heavy metals and dioxins in the flue gas, while the dry powder further neutralizes the acidic gases in the flue gas and serves as a pre-coating for new bags. After the activated carbon adsorbs heavy metal compounds and dioxins, it is captured and collected by the bag filter, along with particulate matter in the flue gas. Fly ash collected from the reactor and bag filter is transported by a scraper conveyor and bucket elevator to the fly ash silo for storage. The flue gas collected by the bag filter and the low-temperature clean flue gas at the outlet of the wet deacidification tower are cooled by heat exchange in the flue gas desulfurization system (GGH) and then enter the wet tower. The flue gas in the wet tower reacts with the sodium hydroxide solution to further remove the acid gas. The clean flue gas at the outlet of the deacidification tower is heated by the GGH and absorption tower system (SGC) and then enters the SCR reactor. The SCR system uses ammonia water evaporation to quantitatively spray ammonia into the SCR reactor for catalytic denitrification, reducing the nitrogen oxides (NO x The high-temperature flue gas after passing through the SCR and the clean flue gas at the outlet of the deacidification tower are cooled by the GGH and then discharged into the atmosphere through the induced draft fan and chimney 920.

[0088] It is understandable that the fly ash intercepted during the flue gas treatment process is a hazardous waste material. Compared with the mass of garbage, the mass of fly ash is very small. The fly ash can be stabilized in the fly ash stabilization room 940 and then transported to a landfill for landfill, or it can be transported to a fly ash treatment plant for further treatment to extract useful components from the fly ash.

[0089] It can be understood that since the boiler incineration area 400 and the ash storage area 800 no longer need to be connected to the flue gas purification system 910, the roof space span of the boiler incineration area 400, the ash storage area 800 and the flue gas purification system 910 is greatly reduced. The roofs of the three can adopt ordinary steel structures, which can save land area and the cost of the roof steel structure.

[0090] It is understood that the roofs of the fly ash stabilization room 940, the lime slurry preparation room 950, the activated carbon room 960 and the alkali solution preparation room 970 are the smoke auxiliary roof 980 with a height of 28 meters. Figure 6 and Figure 7 As shown, the smoke-assisted roof 980 is an ordinary concrete roof.

[0091] It is understood that the ash storage area 800 includes a slag pool 810, a slag crane 820 and a loading site 830. Specifically, the slag pool 810 is opened upward and is located near the incinerator 411. Figure 1 、 Figure 4 and Figure 5 As shown. The end of the slag picker 430 is opposite to the slag pool 810. The slag crane 820 is located above the slag pool 810. Figure 2 As shown, the slag is caught by a slag crane 820 and transported to a slag truck located at a loading site 830. The slag is a harmless product that can be comprehensively utilized and can be used to make bricks or pave roads.

[0092] In this embodiment, the bottom elevation of the slag pool 810 is -4 meters, the loading yard 830 is located on the left side of the slag pool 810 and has an elevation of 0 meters, and the rear furnace platform 450 with an elevation of 7 meters is arranged around the slag pool 810 and the loading yard 830 to provide space for the slag crane 820 to install and grab the slag.

[0093] It is understandable that the layout structure of the integrated waste incineration power plant can be used for waste incineration power generation projects, as well as other small thermal power plants. It can also be partially transformed according to the specific terrain and project transformation needs, to maximize its adaptability to the use requirements of different projects and save land area and investment.

[0094] The above specifically describes the preferred embodiments of the present invention, but the invention is not limited to the embodiments. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. An integrated waste incineration power plant layout structure, characterized in that: Includes: A garbage storage area, with the garbage storage area as the center, and its edges are integrated with a sewage treatment area, a boiler incineration area, and a power distribution area. The boiler incineration area includes an incinerator, and the feed inlet of the incinerator is arranged near the garbage storage area. The incinerator is connected to a waste heat furnace, and the waste heat furnace includes a steam outlet and a flue gas outlet; a steam turbine power generation area, the steam turbine power generation area being integrated at one end of the power distribution area close to the waste heat furnace, the steam turbine power generation area comprising a steam turbine generator, the steam turbine generator being in communication with the steam port; A flue gas treatment area is integrated at one end of the power distribution area away from the garbage storage area. The flue gas treatment system includes a flue gas purification system, and the flue gas treatment system is connected to the flue gas outlet.

2. The integrated waste incineration power plant layout structure according to claim 1 is characterized in that: The sewage treatment area includes a plurality of tank bodies, and the plurality of tank bodies are arranged along a long end edge and a short end edge connected to the garbage storage area.

3. The integrated waste incineration power plant layout structure according to claim 2 is characterized in that: A discharge platform area is provided above the sewage treatment area, a discharge door is provided between the discharge platform area and the garbage storage area, and a ramp for communication is provided between the factory ground and the discharge platform area.

4. The integrated waste incineration power plant layout structure according to claim 3 is characterized in that: A pipe interlayer is further provided between the sewage treatment area and the unloading platform area, and the pipe interlayer is used for laying pipes connecting the multiple tank bodies.

5. The integrated waste incineration power plant layout structure according to claim 4 is characterized in that: A feeding platform area is provided above the garbage storage area, the feeding platform area is provided with a grab bucket, and the feed port of the incinerator is communicated with the feeding platform area.

6. The integrated waste incineration power plant layout structure according to claim 5 is characterized in that: The feeding platform area is provided with an inspection hole, which is opposite to the unloading platform area in vertical direction, so that the grab bucket passes through the inspection hole to reach the unloading platform area.

7. The integrated waste incineration power plant layout structure according to claim 1 is characterized in that: An ash storage area is integrated at the edge of the boiler incineration area. The ash storage area is communicated with the waste slag port of the incinerator. The waste heat furnace is erected above the ash storage area.

8. The integrated waste incineration power plant layout structure according to claim 7 is characterized in that: The ash storage area includes a slag pool, a slag crane and a loading site, and the slag pool is connected to the waste slag outlet.

9. The integrated waste incineration power plant layout structure according to claim 7 is characterized in that: The flue gas treatment area also includes a chimney, the flue gas purification system is connected to the chimney, and a monitoring device is provided in the chimney.

10. The integrated waste incineration power plant layout structure according to claim 2 is characterized in that: A leachate channel is provided at the bottom of the garbage storage area, the pool body includes a leachate collection pool, and the leachate channel is connected to the leachate collection pool through a pipeline.

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