CN214526905U - Conveying system for sludge coal-fired coupling power generation - Google Patents

Abstract

The utility model relates to a conveying system of coal-fired coupling electricity generation of mud, including the storehouse body, feeder, the entry has been seted up to the storehouse body, export, the entry of the storehouse body is seted up at its top, export is seted up in its bottom, feeder sets up in the exit of the storehouse body, the internal baffle that is provided with of storehouse, the baffle is extended to the export direction of the storehouse body by the entry of the storehouse body, the internal space separation in storehouse is first storehouse district, second storehouse district for the baffle, feeder includes first batcher, the second batcher, first batcher sets up the exit in first storehouse district, the second batcher sets up the exit in the second storehouse district. The utility model utilizes the existing equipment, and the bin body and the feeding device are reformed, thereby simplifying the sludge blending and burning system, occupying no new field, increasing less equipment and having small investment; and the planning of the existing system to the working environment is already in place, and the system after being modified can also lead the parts and devices with heavy odor and poor environment to be far away from the office area and be easy to control.

Description

Conveying system for sludge coal-fired coupling power generation

Technical Field

The utility model relates to a sludge treatment technical field, concretely relates to conveying system of coal-fired coupling electricity generation of mud.

Background

With the rapid development of urbanization in China, how to treat waste gas sludge generated by sewage treatment plants is gradually a growing problem. The sludge is used as one kind of biomass, has the characteristic of zero emission of carbon dioxide after being combusted, and can realize the low-cost large-scale treatment of harmless, quantitative reduction and resource of the sludge. The sludge co-combustion is carried out by means of an active coal-fired power plant system, so that the flexibility of coal-electricity fuel can be realized, the platform advantage of clean and efficient centralized treatment of coal-electricity pollutants can be exerted, the fuel cost and the total carbon dioxide emission amount of a coal-fired thermal power unit can be reduced, the disposal benefit can be obtained, the social benefit and the economic benefit are good, and the important significance is realized for relieving the survival pressure of the coal-fired power plant. However, at the same time, the sludge mixed burning of the power plant boiler causes the following problems: firstly, equipment required for sludge storage, transportation, odor control, dust control and the like needs to be added; secondly, when the odor control facility is not in place, the working environment of a factory can be seriously influenced, and the enthusiasm of the power plant for mixed combustion of sludge is reduced; thirdly, the equipment investment is increased, and the investment life of the project of sludge blending combustion is generally 3-8 years.

Usually, the dry sludge blending combustion system mainly comprises a sludge discharge bin, a sludge storage bin and a conveying device, and sometimes the discharge bin and the sludge storage bin can be designed to be integrally shared. Obviously, the core of the dry sludge blending combustion system is the storage and transportation of the sludge, and the system occupies most project investment. During design, the sludge storage system is arranged to be close to the coal conveying system as far as possible, and is also arranged to be far away from an office area, so that the influence of the site is large, and the popularization of dry sludge mixed combustion is limited. In a word, the dry sludge co-combustion is influenced by multiple factors such as fields, equipment, investment and the like, and is limited in practical application.

Chinese patent document CN111023115A discloses a sludge blending combustion system of a coal-fired power plant, which comprises a hopper for collecting sludge transported by a discharge car, a storage bin for storing the sludge and a bucket elevator for lifting the sludge from the hopper to the storage bin, wherein the bucket elevator is vertically arranged, the storage bin is positioned above the hopper, and the storage bin and the hopper are positioned on the same side of the bucket elevator; chinese patent document CN110793041A discloses a sludge blending combustion system, wherein sludge is stored in a sludge bin, a feeder drives the sludge to enter a sludge crusher to process the sludge into fragments or powder which can be blown by high-pressure air, then the sludge is weighed by a weighing bin, a first air inlet valve can introduce the high-pressure air of an air source into the weighing bin to blow the sludge in the weighing bin to a conveying bin, a second air inlet valve can introduce the high-pressure air of the air source into the conveying bin to blow the sludge in the conveying bin to a discharge end of the conveying bin, and the sludge is conveyed to a boiler furnace through a conveying pipe; chinese patent document CN108561888A discloses a sludge blending combustion system for coal-fired power plants, which comprises a hopper, a storage bin, a first vibrating feeder, a second vibrating feeder, a first conveying belt and a second conveying belt. The hopper is used for collecting sludge; the first conveying belt is used for conveying the sludge to the storage bin; the storage bin is used for storing sludge; the second conveying belt is used for conveying the sludge to a power plant boiler; the first vibrating feeder and the second vibrating feeder are used for quantitatively distributing the sludge.

Although the existing sludge blending combustion system has different forms, the main components are unchanged, namely a sludge discharge bin, a sludge storage bin and a conveying device. The sludge blending combustion systems disclosed in the above patents all have certain requirements on the site of the power plant, and a series of devices are added at the same time.

Disclosure of Invention

The utility model aims at providing a conveying system of coal-fired coupling electricity generation of mud.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a conveying system for sludge coal-fired coupling power generation comprises a bin body and a feeding device, wherein an inlet and an outlet are formed in the bin body, the inlet of the bin body is formed in the top of the bin body, the outlet of the bin body is formed in the bottom of the bin body, the feeding device is arranged at the outlet of the bin body, a partition plate is arranged in the bin body, the partition plate extends from the inlet of the bin body to the outlet direction of the bin body, the partition plate divides the space in the bin body into a first bin area and a second bin area, the feeding device comprises a first feeding machine and a second feeding machine, the first feeding machine is arranged at the outlet of the first bin area, and the second feeding machine is arranged at the outlet of the second bin area.

Preferably, the second storehouse district in be provided with the conveying subassembly, the conveying subassembly include carriage, carriage drive assembly, the carriage drive assembly with the carriage be connected, the carriage can face the export direction reciprocating motion of second storehouse district, the carriage can with fall into the second storehouse district in the mud carry to the export of second storehouse district.

Further preferably, the second bin area is internally provided with a first baffle plate, the first baffle plate is arranged above the outlet of the second bin area, and the first baffle plate prevents sludge from directly falling into the outlet of the second bin area.

Still further preferably, the ends of the first baffle are positioned above the carriage, the middle of the first baffle is higher than the ends of the first baffle, and the first baffle can guide the sludge onto the carriage.

Further preferably, a second baffle is arranged in the second bin region, and the second baffle is arranged above the sliding frame driving part and extends to the position above the sliding frame.

Still further preferably, the second baffle is inclined towards the direction of the sliding frame, and the second baffle can enable the sludge to fall onto the sliding frame in a buffering manner.

Preferably, the outlet of the second bin region is provided with a slope, and the slope inclines towards the inlet direction of the second feeding machine.

Preferably, the conveying system further comprises a conveying belt, and the conveying belt is arranged at the outlet of the feeding device.

Further preferably, a sealing cover is arranged on the conveying belt, a channel communicated with the outlets of the first feeding machine and the second feeding machine is arranged on the sealing cover, and a sealed conveying space is formed by enclosing the sealing cover and the conveying belt; the conveying system also comprises a fan, and the fan is communicated with the sealed conveying space.

Preferably, a grating plate and a canopy are arranged at the inlet of the bin body, and the grating plate can bear the weight of a vehicle.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model discloses utilize existing equipment, through reforming transform the storehouse body, give the device, simplify the system that mud mixes the fever. The system is improved on the basis of the existing system, a new field is not occupied, the number of added equipment is small, and the investment is small; and the planning of the existing system to the working environment is already in place, and the system after being modified can also lead the parts and devices with heavy odor and poor environment to be far away from the office area and be easy to control.

Drawings

FIG. 1 is a sectional view of the bin body, the second feeder and the conveyer belt in the embodiment in a matching manner;

FIG. 2 is a top plan view of the cartridge body of the present embodiment;

FIG. 3 is a schematic cross-sectional view of a prior art underground coal bunker;

FIG. 4 is a top view of a prior art underground coal bunker;

fig. 5 is a schematic structural diagram of the modified conveying system in the embodiment.

In the above drawings: 1. a bin body; 11. a first bin region; 12. a second bin region; 13. a bevel; 2. a partition plate; 31. a first feeder; 32. a second feeder; 321. a feeding support; 322. a feeding platform; 41. a carriage; 42. a carriage drive member; 5. a first baffle plate; 6. a second baffle; 71. a conveyor belt; 72. a sealing cover; 81. wharf ship coal; 82. a coal yard; 83. a boiler; 91. a grid plate; 92. a canopy; TT1, TT2, TT3, TT4, TT5, TT6, TT7, and a transfer station.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 5, a sludge coal-fired coupling power generation conveying system is formed by modifying the existing conveying system for coal-fired power generation and is used for a sludge co-combustion system. The conveying system of current coal-fired power generation includes storehouse body 1, feeder, conveyer belt 71, transfer station TT6, and storehouse body 1 is for being used for reserve underground coal scuttle of storing coal-fired, and the entry has been seted up at the top of storehouse body 1, and the export has been seted up to the bottom of the storehouse body 1, and feeder sets up in the exit of the storehouse body 1, and conveyer belt 71 is located feeder's below and is connected between storehouse body 1 and transfer station TT 6. The modified delivery system is as follows:

as shown in fig. 1 and 2, a partition plate 2 is arranged in the bin body 1, the partition plate 2 extends from an inlet of the bin body 1 to an outlet of the bin body 1, the partition plate 2 divides the space in the bin body 1 into a first bin region 11 for storing coal and a second bin region 12 for storing sludge, the feeding device comprises a first feeding machine 31 arranged at the outlet of the first bin region 11 and a second feeding machine 32 arranged at the outlet of the second bin region 12, and a conveying belt 71 is positioned below the first feeding machine 31 and the second feeding machine 32 and can convey the coal and the sludge simultaneously. In this embodiment, the first feeder 31 is a coal vane feeder, and the coal vane feeder rotates to push coal onto the conveyer belt 71 below the coal vane feeder while reciprocating on the track of the coal vane feeder; the second feeder 32 is a sludge feeder, and when the sludge feeder works, sludge in the second bin region 12 can fall onto the conveyer belt 71 below the second bin region. The specific position of the partition board 2 is changed according to the sludge co-combustion amount, and generally, the sludge co-combustion accounts for no more than 10% of the total coal amount.

The second bin region 12 is provided with conveying components, the conveying components are arranged at the bottom of the second bin region 12, in this embodiment, the outlet of the second bin region 12 is arranged in the middle of the bottom of the bin body 1 and is the same as the extending direction of the conveying belt 71, and the conveying components are arranged in two groups and are positioned at two sides of the outlet of the second bin region 12. The transfer assembly comprises a carriage 41, a carriage driving member 42, the carriage driving member 42 is connected to the carriage 41, the carriage 41 is reciprocally movable towards the outlet of the second housing area 12, and the carriage 41 is driven by the carriage driving member 42 to convey the sludge falling into the second housing area 12 to the outlet of the second housing area 12. In this embodiment, the sliding frame 41 has a square grid penetrating up and down, the sludge falls into the square grid after entering the second cabin area 12, and when the sliding frame 41 moves to above the outlet of the second cabin area 12, the sludge falls from the square grid to the outlet of the second cabin area 12; the carriage 41 drive is hydraulically driven.

Be provided with first baffle 5 in the second storehouse district 12, first baffle 5 sets up in the export top of second storehouse district 12, and first baffle 5 avoids mud directly to fall into the export of second storehouse district 12, is convenient for store mud in second storehouse district 12. The two ends of the first baffle 5 are positioned above the sliding frame 41, and the middle of the first baffle 5 is higher than the two ends, i.e. the cross section of the first baffle 5 is arched upwards, so that the first baffle 5 can simultaneously guide the sludge onto the sliding frame 41. Sealing members are provided between both ends of the first barrier 5 and the carriage 41, and when the carriage 41 is not operated, sludge is prevented from overflowing through gaps between both ends of the first barrier 5 and the carriage 41.

A second baffle 6 is further arranged in the second cabin area 12, and the second baffle 6 is arranged above the sliding frame driving part 42, so that the driving device of the sliding frame 41 can be protected from being crushed by sludge when the sludge falls down. The second baffle 6 is disposed obliquely, the upper end of the second baffle is connected with the inner wall of the second storage area 12, the lower end of the second baffle inclines towards the direction of the sliding frame 41 and extends to the upper part of the sliding frame 41, and the second baffle 6 can enable sludge to fall onto the sliding frame 41 with buffering.

The outlet of the second bin region 12 is provided with an inclined plane 13, the inclined plane 13 inclines towards the inlet direction of the second feeder 32, and when sludge falls under gravity, the inclined plane 13 slows down the falling speed of the sludge, so that excessive impact on the sludge feeder is avoided.

A feeding support 321 is arranged between the outlet of the second bin region 12 and the conveying belt 71, a feeding platform 322 is arranged on the feeding support 321, and the sludge feeder is arranged on the feeding platform 322. When the sludge feeder receives the sludge sent by the sliding frame 41, the sludge is conveyed to a lower conveyer belt 71, the conveyer belt 71 conveys the sludge to a transfer station TT6, and the sludge is mixed with coal and sent to a boiler for combustion.

The conveying belt 71 is provided with a sealing cover 72, the sealing cover 72 is provided with a channel communicated with the outlets of the first feeding machine 31 and the second feeding machine 32, fire coal and sludge fall onto the conveying belt 71 from the channel, a sealed conveying space is formed by enclosing between the sealing cover 72 and the conveying belt 71, and the fan works at intervals to pump off odor and send the odor to the hearth for combustion.

The entrance of the storehouse body 1 is provided with grid plate 91, canopy 92, and grid plate 91 can bear the weight of vehicle, and the vehicle can go and unload mud on grid plate 91, through the hollow out construction of grid plate 91, can make mud fall to the second storehouse district 12 of the storehouse body 1 of below, and at this moment, second storehouse district 12 uses as storing up the mud storehouse, and the rainwater falls into underground coal scuttle when the canopy 92 of the storehouse body 1 top can prevent to rain to avoid that mud is too wet can't mix the fever.

A method for modifying a conveying system for sludge coal-fired coupling power generation is characterized in that the conveying system is modified by a conveying system for coal-fired power generation, and the existing equipment is utilized for modification, so that sludge storage and conveying of dry sludge mixed combustion are realized.

As shown in fig. 3 and 4, the conventional coal-fired power generation conveying system includes a storage body 1 for storing the coal, a first feeder 31, a conveyor belt 71, and a transfer station TT 6. The storehouse body 1 is for being used for reserve underground coal scuttle of storing coal, and the export has been seted up to entry, bottom offered at the top of the storehouse body 1, and first batcher 31 sets up in the exit of the storehouse body 1, and conveyer belt 71 sets up in the exit of first batcher 31. When the fire coal stored in the silo body 1 needs to be used, the first feeder 31 works to convey the fire coal in the silo body 1 to the conveyer belt 71, and the conveyer belt 71 conveys the fire coal to the transfer station TT6 near the boiler. In the embodiment, the vehicle dumps coal into the coal hopper, the blades of the impeller coal feeder at the bottom of the coal hopper rotate to push the coal onto the conveying belt 71 below the impeller coal feeder, and meanwhile, the bottom of the coal hopper is provided with a track along which the impeller coal feeder reciprocates, so that the coal of the whole coal hopper can be pushed onto the conveying belt 71. One of the important factors of the sludge co-combustion system is the uniformity of sludge co-combustion, and the conventional dry sludge co-combustion system usually needs to find a proper sludge dropping point, while the underground coal bunker transformation of the embodiment can smoothly realize the purpose. The transformation method comprises the following steps:

as shown in fig. 1 and 2, a partition plate 2 is provided in a bin 1, the partition plate 2 is extended in a direction from an inlet to an outlet of the bin 1, the bin 1 is divided into a first bin 11 for storing coal and a second bin 12 for storing sludge by the partition plate 2, a first feeder 31 is provided at the outlet of the first bin 11, a second feeder 32 is provided at the outlet of the second bin 12, a conveyor belt 71 is simultaneously provided at the outlets of the first feeder 31 and the second feeder 32, in this embodiment, the second feeder 32 is a sludge feeder, and the sludge feeder operates to convey sludge in the second bin 12 to a conveyor belt 71 therebelow. The specific position of baffle 2 changes according to the difference of mud volume of mixing burning, and usually, the proportion that the mud mixes burning accounts for total coal volume does not exceed 10%, and the underground coal scuttle often sets up to A, B two coal scuttles, and self capacity is great, and this embodiment only needs a small space of one of them coal scuttle can, and the influence to original underground coal scuttle can be ignored. Since the bin body 1 is partially separated, the working stroke of the first feeder 31 is shortened, and the stroke of the first feeder 31 needs to be adaptively modified.

The conveyor belt 71 is disposed below the first feeder 31 and the second feeder 32, a feeding support 321 provided with a feeding platform 322 is disposed between the conveyor belt 71 and the second feeder 32, and the second feeder 32 is mounted on the feeding platform 322. The conveyor 71 is provided with a seal cover 72 to form a sealed conveying space therebetween, and the seal cover 72 is provided with a passage for communicating the outlets of the first feeder 31 and the second feeder 32 with the seal cover 72. The sealing cover 72 is connected with a fan, and the fan works at intervals to suck out odor and send the odor into a hearth for combustion.

A transfer assembly is provided in the second silo area 12, with which transfer assembly sludge falling into the second silo area 12 is transferred to the outlet of the second silo area 12. The transfer assembly includes a carriage 41, and a carriage driving part 42 connected to the carriage 41. The transmission assembly is arranged at the bottom of the second bin region 12, and the carriage driving part 42 can drive the carriage 41 to reciprocate towards the outlet direction of the second bin region 12, so that the carriage 41 moves to drop the sludge into the outlet of the second bin region 12.

An arched first baffle 5 is arranged above the outlet of the second bin area 12, so that sludge is prevented from directly falling into the outlet of the second bin area 12, two ends of the first baffle 5 extend towards the direction of the sliding frame 41, and the sludge is guided to fall into the sliding frame 41. A second baffle 6 is arranged above the sliding frame driving part 42, and the second baffle 6 is obliquely arranged, so that the sliding frame driving part 42 is prevented from being crushed by sludge, and the sludge is enabled to have buffering and fall into the sliding frame 41.

The outlet of the second bin region 12 is modified into an inclined plane 13 which is inclined towards the inlet of the second feeder 32, when the sludge falls under the gravity, the inclined plane 13 slows down the falling speed of the sludge, and the sludge feeder is prevented from being impacted too much.

Set up the grid plate 91 that can bear vehicle weight in the entrance of storehouse body 1, the mud of being convenient for pours into, and installation canopy 92 above the entry prevents that the rainwater from falling into storehouse body 1 when raining.

As shown in fig. 1, 2 and 5, the devices related to this embodiment, such as the silo body 1, the first baffle 5, the conveyor belt 71, the transfer station TT6, etc., are original devices, and need not to be newly added. The devices to be purchased include the carriage 41, the carriage driving part 42, the sludge feeder, the sealing cover 72, the canopy 92 and other small attached devices. And the devices are also necessary in the conventional sludge blending combustion system. Meanwhile, the partition plate 2 and the second partition plate 6 are additionally arranged on the underground coal hopper, so that the construction cost is low. Compared with the typical estimation of the investment of the dry sludge co-combustion, the embodiment simplifies the system of the sludge co-combustion, does not occupy a new field, increases less equipment and has less investment; meanwhile, the underground coal hopper is arranged in the coal yard 82, is generally far away from an office area, and is easy to control the odor.

As shown in Table 1, in the static total investment of the project, the equipment purchase cost and the installation project cost account for about 60 percent, the construction project cost accounts for 20 to 30 percent, and the rest is other costs. The invention can greatly reduce the equipment purchase cost and the installation engineering cost without purchasing a sludge discharge bin, a sludge storage bin and a partial conveying device (a serial number 1.1 part in a table 1: a sludge storage system), and although the improvement of the underground coal hopper correspondingly increases partial cost (about 100 ten thousand yuan), the whole cost can be reduced by about 40 percent by estimation, and the investment recovery period of the whole project is greatly shortened.

Table 1a typical dry sludge co-firing investment estimation:

TABLE 1

Serial number	Project or expense name	Cost of construction work	Purchase fee of equipment	Cost of installation work	Other costs	Total up to
							1	Main and auxiliary production engineering (Wanyuan)	414	655	361		1430
1.1	Sludge storage system (Wanyuan)	241	501	63		805
							1.2	Sending to boiler exhaust system (Wanyuan)		20	195		215
1.3	Heat control system (Wanyuan)		60	35		95
							1.4	Electric system (Wanyuan)		74	67		141
1.5	Factory road and greening (Wanyuan)	173				173
							2	Price difference of programming period (Wanyuan)	4		6		10
3	Other expenses (Wanyuan)				293	293
							3.1	Project construction management fee (Wanyuan)				35	35
3.2	Project construction technology service fee (Wanyuan)				258	258
							4	Basic reserve charge (Wanyuan)				52	52
	Static investment of project (Wanyuan)	418	655	367	345	1785
								Percentage of each item in static investment (%)	23	37	21	19	100
	Static unit investments of each item (Yuan/kW)	6	9	5	5	25

The working principle of the present embodiment is specifically described as follows:

as shown in fig. 5, the coal from the power plant is usually transported by wharf, railway, etc. and then transported or placed on the ship (wharf ship coal 81) or in the coal yard 82 and the underground coal hopper of the coal yard 82, and these coal storage methods are finally transported by a conveyor belt to a centralized transfer station TT6 and finally sent to the boiler for combustion. Therefore, after the underground coal hopper (the bin body 1 in the embodiment) is transformed into the sludge storage bin, the underground coal hopper can be mixed with any other coal, and the uniformity can be ensured.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. The utility model provides a conveying system of coal-fired coupling electricity generation of mud, includes storehouse body, feeder, the storehouse body seted up entry, export, feeder set up in the exit of storehouse body, its characterized in that: the bin body is internally provided with a partition board, the partition board extends from the inlet of the bin body to the outlet of the bin body, the partition board divides the space in the bin body into a first bin area and a second bin area, the feeding device comprises a first feeding machine and a second feeding machine, the first feeding machine is arranged at the outlet of the first bin area, and the second feeding machine is arranged at the outlet of the second bin area.

2. The sludge coal-fired power generation coupling conveying system according to claim 1, characterized in that: the conveying assembly is arranged in the second bin area and comprises a sliding frame and a sliding frame driving part, the sliding frame driving part is connected with the sliding frame, and the sliding frame can move towards the direction of the outlet of the second bin area in a reciprocating mode.

3. The sludge coal-fired power generation coupling conveying system according to claim 2, characterized in that: and a first baffle is arranged in the second bin area, and the first baffle is arranged above the outlet of the second bin area.

4. The sludge coal-fired power generation coupling conveying system according to claim 3, characterized in that: the two ends of the first baffle are positioned above the sliding frame, and the middle of the first baffle is higher than the two ends of the first baffle.

5. The sludge coal-fired power generation coupling conveying system according to claim 2, characterized in that: and a second baffle is arranged in the second bin area, and the second baffle is arranged above the sliding frame driving part and extends to the position above the sliding frame.

6. The sludge coal-fired power generation coupling conveying system according to claim 5, characterized in that: the second baffle is obliquely arranged towards the sliding frame.

7. The sludge coal-fired power generation coupling conveying system according to claim 1, characterized in that: and an outlet of the second bin area is provided with an inclined surface, and the inclined surface inclines towards the inlet direction of the second feeding machine.

8. The sludge coal-fired power generation coupling conveying system according to claim 1, characterized in that: the conveying system also comprises a conveying belt, and the conveying belt is arranged at the outlet of the feeding device.

9. The sludge coal-fired power generation coupling conveying system according to claim 8, characterized in that: the conveying belt is provided with a sealing cover, and a sealed conveying space is formed by the sealing cover and the conveying belt in a surrounding manner; the conveying system also comprises a fan, and the fan is communicated with the sealed conveying space.

10. The sludge coal-fired power generation coupling conveying system according to claim 1, characterized in that: the entrance of the bin body is provided with a grating plate and a canopy.

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