Submerged chain conveyor

Abstract

The utility model relates to a submerged chain conveyor which comprises a shell arranged on the ground. The shell comprises a first shell and a second shell, the tops of the first shell and the second shell are each of an open structure, the value range of the horizontal fall between the head end and the tail end of the second shell is larger than 5 m and smaller than 7 m, the head end of the first shell is fixedly connected with the tail end of the second shell, and a rotating wheel is rotationally installed between the inner walls of the head end of the second shell; a transmission device connected with the rotating wheel is arranged outside the second shell; the device further comprises a fixing plate, a dewatering screen is fixedly installed on the upper surface of the fixing plate, and a slag hopper is arranged at the bottom of the fixing plate in a penetrating mode. The utility model has the beneficial effects that hydraulic deslagging equipment such as the slag crusher, the slag slurry pump, the dewatering bin, the thickener and the like is stopped, the coal slag is treated by adopting a slag conveyor direct discharge mode, the water in the coal slag is separated by adopting the dewatering screen, and the separated coal slag is directly conveyed into the slag hopper to be stored, so that the whole deslagging process is greatly simplified in the process.

Description

TECHNICAL FIELD

[0001] The utility model relates to a power plant deslagging equipment technical field, concretely is a slag conveyor. BACKGROUND

[0002] The power plant deslagging equipment plays a vital role in the thermal power plant, and the existence of the deslagging equipment enables the ash and slag in the boiler to be discharged and treated in time, reducing the accumulation of ash and slag in the boiler and the pollution to the environment.

[0003] The existing deslagging equipment usually includes a slag crusher, a slag slurry tank, a slag slurry pump, a backwater pump and a slag conveyor, etc. These devices, although each bearing different functions, increase the complexity of the entire system. In order to connect these devices, a large number of pipelines need to be laid, which occupies too much space in the power plant and increases the complexity and maintenance difficulty of the system. When the equipment is working, a large amount of electric energy needs to be consumed, especially when a large amount of ash and slag is being treated, the energy consumption of the slag conveyor, the slag slurry pump and the backwater pump increases significantly, which increases the operating cost of the power plant. SUMMARY

[0004] The utility model aims at providing a slag conveyor to solve the above problems in the prior art.

[0005] The technical scheme of the utility model to solve the above technical problems is as follows:

[0006] A slag conveyor, comprising a shell arranged on the ground; the shell comprises a first shell and a second shell, both of which are open at the top, the horizontal drop of the leading end and the trailing end of the second shell is greater than 5 meters and less than 7 meters, the leading end of the first shell is fixedly connected with the trailing end of the second shell, a rotating wheel is rotatably installed between the inner walls of the leading end of the second shell, and a transmission device connected with the rotating wheel is arranged outside the second shell; further comprising a fixed plate, a dehydration screen is fixedly installed on the upper surface of the fixed plate, a slag hopper is arranged through the bottom of the fixed plate, the output end of the dehydration screen is connected with the inside of the slag hopper, a conveying pipeline is fixedly installed on the upper surface of the fixed plate, and the two ends of the conveying pipeline are respectively connected with the bottom of the leading end of the second shell and the inside of the dehydration screen; an electromagnetic valve is fixedly installed on the conveying pipeline.

[0007] The shell is internally provided with two chains, a plurality of scrapers are arranged between the two chains, the chains are slidingly sleeved on the surface of the rotating wheel, and a plurality of guide compression wheels are arranged in the shell.

[0008] The utility model discloses beneficial effect is: stop operating the hydraulic deslagging equipment such as slag crusher, slag pump, dehydration bin, thickener, adopts the direct discharge mode of the slag extractor to the coal cinder, and the moisture in the coal cinder is separated through adopting the dehydration screen, and the separated coal cinder is directly transported to the inside of the slag bucket and is stored, in this process, the whole deslagging process is greatly simplified, which not only reduces the number of equipment, but also reduces the complexity of system connection, reduces the demand of pipeline laying, thereby saving the precious space resource of power plant, and the three energy -consuming larger equipment slag extractor, slag pump, backwater pump only retains the slag extractor, and the electric energy consumption of whole system is reduced significantly, thereby reduce the operation cost of power plant, simultaneously, since the horizontal difference of the first end and the tail end of second shell is greater than 5m and less than 7m, and 6m is adopted in the specific implementation, in the process of transporting coal cinder, the overflowed moisture can return to the inside of first shell under the influence of gravity, makes the overflowed water can cool the structure in the inside of first shell, and acts as cooling water, thereby reducing the amount of cooling water output by power plant, and further reduce the cost of power plant.

[0009] On the basis of the above technical scheme, the utility model still can make improvement as follows.

[0010] Further, the transmission device includes a placing plate fixedly installed on the upper surface of the fixed plate, a motor is fixedly installed on the upper surface of the placing plate, a belt pulley is fixedly installed on the output end of the motor, one end of the rotating wheel is movably penetrated through the second shell and fixedly installed with a transmission wheel, and the transmission wheel and the belt pulley are transmissionally connected through a belt.

[0011] Further, the tail end of the first shell is provided with a tensioning device, the tensioning device includes two guide wheels arranged in the tail end of the first shell, the chain is sleeved on the surface of the guide wheels, a connecting rod is rotatably installed between the two guide wheels through a bearing, sliding grooves for the up-and-down movement of the connecting rod are formed in the two sides of the first shell, the connecting rod extends to the outside of the first shell through the sliding grooves and is fixedly installed with a mounting block, supporting plates are fixedly installed on the two side surfaces of the first shell, hydraulic cylinders are fixedly installed on the upper surfaces of the two supporting plates, and the movable ends of the two hydraulic cylinders are movably penetrated through the supporting plates and fixedly connected with the upper surface of the mounting block.

[0012] Further, a plurality of drainage channels are formed in the ground, and a water filtering plate is fixedly installed on the upper surface of the drainage channel.

[0013] Further, a plurality of supporting legs are fixedly installed on the lower surface of the fixed plate, and the other ends of the supporting legs are connected with the upper surface of the water filtering plate. ACCURATE DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the front view of the whole equipment of the utility model.

[0015] Figure 2 It is the inside structure schematic view of the shell of the utility model;

[0016] Figure 3 It is the position relation schematic view of the dehydration screen and the conveying pipeline of the utility model;

[0017] Figure 4 It is the structure schematic view of the tensioning device in the utility model;

[0018] Figure 5 It is the utility model Figure 2 The enlarged view of A place in the utility model.

[0019] In the drawing, the component list represented by each sign is as follows:

[0020] 1, shell;101, first outer shell;102, second outer shell;2, rotating wheel;3, transmission device;301, placing plate;302, motor;303, pulley;304, transmission wheel;4, tensioning device;401, guide wheel;402, connecting rod;403, mounting block;404, support plate;405, hydraulic cylinder;5, fixed plate;6, dehydration screen;7, slag hopper;8, conveying pipeline;9, chain;10, guide compression wheel;11, drainage channel;12, water filter plate;13, support leg;14, scraper;15, electromagnetic valve. DETAILED DESCRIPTION

[0021] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and not used to limit the scope of the utility model.

[0022] As Figures 1 to 5 shown, the utility model embodiment 1 a slag machine, including setting on the ground shell 1;Shell 1 includes the first outer shell 101 and the second outer shell 102 of the top opening structure, the horizontal difference of the first end and the tail end of the second outer shell 102 is greater than 5 meters and less than 7 meters, the first end of the first outer shell 101 and the tail end of the second outer shell 102 are fixedly connected, the inner wall between the first end of the second outer shell 102 is rotatably installed with rotating wheel 2, the outside of the second outer shell 102 is provided with transmission device 3 connected with rotating wheel 2;It also includes fixed plate 5, the upper surface of fixed plate 5 is fixedly installed with dehydration screen 6, the bottom of fixed plate 5 is provided with slag hopper 7, the output end of dehydration screen 6 is connected with the inside of slag hopper 7, the upper surface of fixed plate 5 is fixedly installed with conveying pipeline 8, the two ends of conveying pipeline 8 are respectively connected with the bottom of the first end of the second outer shell 102 and the inside of dehydration screen 6, and electromagnetic valve 15 is fixedly installed on conveying pipeline 8;

[0023] The shell 1 is internally provided with two chains 9, and a plurality of scrapers 14 are arranged between the two chains 9, the chains 9 are slidingly sleeved on the surface of the rotating wheel 2, and the shell 1 is internally provided with a plurality of guide compression wheels 10, and the plurality of guide compression wheels 10 are in contact with the two chains 9.

[0024] The water power slag removal equipment such as the slag crusher, the slag pump, the dehydration bin and the thickener is stopped, the coal slag is treated in a direct discharge mode by the slag conveyor, the water in the coal slag is separated by the dehydration screen 6, and the separated coal slag is directly conveyed into the slag hopper 7 for storage, in this process, the whole slag removal process is greatly simplified, which not only reduces the number of equipment, but also reduces the complexity of system connection and the demand for pipeline laying, thereby saving the valuable space resources of the power plant, only the slag conveyor is reserved among three energy-consuming equipment (the slag conveyor, the slag pump and the backwater pump), the power consumption of the whole system is significantly reduced, thereby reducing the operation cost of the power plant, and since the horizontal difference between the head end and the tail end of the second shell 102 is greater than 5m and less than 7m, 6m is adopted in the specific implementation, in the process of conveying the coal slag, the overflowed water can return to the inside of the first shell 101 under the influence of gravity, so that the overflowed water can cool the structure in the first shell 101, thereby reducing the amount of cooling water output by the power plant, and further reducing the cost of the power plant.

[0025] The utility model discloses a slag conveyor, on the basis of embodiment 1, the transmission 3 includes the placement plate 301 of fixed mounting on the upper surface of fixed plate 5 through the support rod, the upper surface fixed mounting of placement plate 301 has motor 302, the output fixed mounting of motor 302 has belt pulley 303, and one end of rotating wheel 2 is movably penetrated second shell 102 and is fixedly installed transmission wheel 304, and transmission wheel 304 is connected with belt pulley 303 through belt and is driven.

[0026] Through the setting belt pulley 303 and transmission wheel 304, the motor 302 can stably drive the rotating wheel 2 to rotate, and ensure that the whole equipment can stably run.

[0027] The utility model discloses a kind of drag slaker, on the basis of embodiment 1 or 2, tail end of first shell 101 is provided with tensioner 4;Tensioner 4 includes two guide wheels 401 being arranged in the inside tail end of first shell 101, chain 9 is sleeved on the surface of guide wheel 401, two guide wheels 401 are rotatably installed with connecting rod 402 by bearing, the both sides of first shell 101 are provided with the sliding slot for the up-down movement of connecting rod 402, connecting rod 402 extends to the outside of first shell 101 by sliding slot and is fixedly installed with mounting block 403;It further includes support plate 404 fixedly installed on the both sides surface of first shell 101, the upper surface of two support plates 404 is fixedly installed with hydraulic cylinder 405, the movable end of two hydraulic cylinders 405 is movably penetrated support plate 404 and is fixedly connected with the upper surface of mounting block 403.

[0028] Hydraulic cylinder 405 drives connecting rod 402 to move up and down by mounting block 403, so that connecting rod 402 drives guide wheel 401 to move up or down, and then drives part of chain 9 to move up or down, so as to complete the tensioning work of chain 9;Through the above operation, when chain 9 is loose due to wear, temperature change or load change, tensioner 4 can be automatically adjusted, to ensure that chain 9 always maintains appropriate tensioning state, thereby improving the stability and reliability of the system.

[0029] The utility model discloses a kind of drag slaker, on the basis of any one of embodiment 1 to 3, several drainage ditches 11 are opened in ground, and filter plate 12 is fixedly installed on the upper surface of drainage ditch 11.

[0030] By setting drainage ditch 11 and filter plate 12, the water separated from coal cinder by dehydration screen 6 is directly discharged, so that power plant can reduce the use of slag ditch flushing water, reduce the operating cost of power plant.

[0031] The utility model discloses a kind of drag slaker, on the basis of embodiment 4, the lower surface of fixed plate 5 is fixedly installed with several support legs 13, and the other end of several support legs 13 is connected with the upper surface of filter plate 12.

[0032] By setting support leg 13, ensure that the whole equipment can keep stable, so that the whole equipment can stably run.

[0033] The above only for the preferred embodiment of the utility model, and not to limit the utility model, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A drag scraper characterized by, The utility model provides a kind of waste heat recovery device, including the shell (1) arranged on ground;The shell (1) includes the first shell (101) and the second shell (102) of top open structure, the horizontal difference of the first end and the tail end of the second shell (102) is greater than 5 meters and less than 7 meters, the first shell (101) first end is fixedly connected with the tail end of second shell (102), the inner wall between the first end of second shell (102) is rotatably installed with rotating wheel (2), the outside of second shell (102) is provided with transmission device (3) connected with rotating wheel (2);Further including fixed plate (5), the upper surface of fixed plate (5) is fixedly installed with dehydration screen (6), the bottom of fixed plate (5) is provided with slag hopper (7), the output end of dehydration screen (6) is connected with the inside of slag hopper (7), the upper surface of fixed plate (5) is fixedly installed with conveying pipeline (8), the two ends of conveying pipeline (8) are respectively connected with the first end bottom of second shell (102) and with the inside of dehydration screen (6), electromagnetic valve (15) is fixedly installed on conveying pipeline (8); The inside of shell (1) is provided with two chains (9), a plurality of scrapers (14) are arranged between the two chains (9), the chain (9) is slidably sleeved on the surface of rotating wheel (2), the inside of shell (1) is provided with a plurality of guide compression wheels (10), a plurality of guide compression wheels (10) are in contact with the two chains (9).

2. A machine according to claim 1, characterised in that Transmission device (3) includes placing plate (301) fixedly installed on the upper surface of fixed plate (5) by support rod, the upper surface of placing plate (301) is fixedly installed with motor (302), the output end of motor (302) is fixedly installed with belt pulley (303), one end of rotating wheel (2) is movably penetrated second shell (102) and fixedly installed with transmission wheel (304), transmission wheel (304) and belt pulley (303) are connected by belt.

3. A machine according to claim 1, characterised in that The tail end of first shell (101) is provided with tensioning device (4);The tensioning device (4) includes two guide wheels (401) arranged in the inside of the tail end of first shell (101), the chain (9) is sleeved on the surface of guide wheel (401), the connecting rod (402) is rotatably installed between the two guide wheels (401) by bearing, the two sides of first shell (101) are provided with sliding slot for the up-down movement of connecting rod (402), the connecting rod (402) extends to the outside of first shell (101) by sliding slot and is fixedly installed with mounting block (403);Further including support plate (404) fixedly installed on the two side surfaces of first shell (101), the upper surface of two support plates (404) is fixedly installed with hydraulic cylinder (405), the movable end of two hydraulic cylinders (405) is movably penetrated support plate (404) and is fixedly connected with the upper surface of mounting block (403).

4. A machine according to claim 1, characterised in that, The ground is provided with a plurality of drainage channels (11), and the upper surface of the drainage channels (11) is fixedly installed with a water filtering plate (12).

5. A machine according to claim 4, characterised in that, The lower surface of the fixed plate (5) is fixedly installed with a plurality of supporting legs (13), and the other end of the plurality of supporting legs (13) is connected with the upper surface of the water filtering plate (12).

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