Boiler deslagging device for thermal power plant

Abstract

The utility model is applicable to the field of deslagging equipment, and provides a boiler deslagging device of a thermal power plant, which comprises a box body, a first material guide plate and a second material guide plate are fixedly connected in the box body, both the first material guide plate and the second material guide plate are obliquely arranged, and the first material guide plate and the second material guide plate are arranged in a funnel shape. Two crushing rollers are rotationally connected to the interior of the box body, the two crushing rollers are both located below an opening of the funnel, and an inclined third material guide plate and an inclined fourth material guide plate are further fixedly connected to the interior of the box body. Slag is cooled before entering the conveying barrel, so that the slag is prevented from adhering to the interior of the conveying barrel, blockage of the conveying mechanism is avoided, the first guide plate, the second guide plate, the third guide plate and the fourth guide plate are wide in area, the device cannot be blocked even if the slag is adhered to the guide plates, and the conveying mechanism is convenient to use. And the follow-up furnace slag can impact the bonded furnace slag, so that the furnace slag is impacted off from the material guide plate.

Description

Technical Field

[0001] The utility model belongs to the field of slag removal equipment, in particular to a slag removal device for a boiler in a thermal power plant. Background Art

[0002] A thermal power plant is a plant that uses combustibles (such as coal) as fuel to produce electricity. Its basic production process is: when the fuel is burned, it heats water to generate steam, converting the chemical energy of the fuel into thermal energy. The steam pressure drives the turbine to rotate, converting the thermal energy into mechanical energy, and then the turbine drives the generator to rotate to convert the mechanical energy into electrical energy. The container for the combustion of combustibles is generally a boiler. After burning materials for a long time, the inside of the boiler will be scaled and slag will remain. In order to ensure the continuous and safe operation of the boiler, the slag must be continuously discharged. At present, most of the slag is removed by using chain bucket conveyors.

[0003] However, in order for the boiler to operate continuously and safely, the boiler generally cannot be extinguished. After the slag is discharged from the boiler, it usually carries a large amount of heat. During transportation, the slag will gradually cool down, which usually causes the slag to stick to the transportation equipment, causing blockage of the transportation equipment and making it inconvenient to clean.

[0004] In order to avoid the above technical problems, it is necessary to provide a boiler slag removal device for a thermal power plant to overcome the above defects in the prior art. Utility Model Content

[0005] The utility model aims to provide a boiler slag removal device for a thermal power plant, aiming to solve the problem that slag easily causes blockage of transportation equipment.

[0006] The utility model is implemented as follows: a boiler slag removal device for a thermal power plant comprises a box body, a feed port is provided on the top of the box body, when the device is installed, the feed port of the device is installed below the boiler slag discharge port, a first guide plate and a second guide plate are fixedly connected inside the box body, the first guide plate and the second guide plate are both inclined, and the first guide plate and the second guide plate are funnel-shaped, the feed port is located above the second guide plate, two crushing rollers are rotatably connected inside the box body, the two crushing rollers are both located below the opening of the funnel, an inclined third guide plate and a fourth guide plate are also fixedly connected inside the box body, the third guide plate and the fourth guide plate are respectively arranged on both sides of the interior of the box body and are staggered, a cooling box is installed on the outer side of the box body, the cooling box and the outer side of the box body form a sealed chamber, the interior of the sealed chamber is injected with cooling liquid, the outer sides of the first guide plate, the second guide plate, the third guide plate and the fourth guide plate are all in contact with the cooling liquid, and also include:

[0007] A circulation component, the circulation component is installed on the cooling box, the input end and the output end of the circulation component are both connected to the sealed chamber, and the circulation component is used to make the coolant in the sealed chamber flow and circulate, thereby increasing the cooling rate;

[0008] A driving mechanism, wherein the driving mechanism is mounted on the box body, and two output ends of the driving mechanism are respectively connected to one end of two crushing rollers, and the driving mechanism is used to drive the two crushing rollers to rotate towards each other, so that the crushing rollers crush the slag;

[0009] The feeding mechanism is installed on the box body, the input end of the feeding mechanism is connected with the end of the fourth guide plate, the slag on the fourth guide plate can enter the feeding mechanism, and the feeding mechanism is used to transport the slag and discharge the slag.

[0010] According to a further technical solution, the length of the second material guide plate is greater than that of the first material guide plate, and the opening of the funnel deviates from the center line of the box body.

[0011] According to a further technical solution, the first guide plate, the second guide plate, the third guide plate and the fourth guide plate are all made of heat-conducting materials to improve cooling efficiency.

[0012] According to a further technical solution, the circulation component includes a circulation pump fixedly mounted on the cooling box, the input end of the circulation pump is connected to a liquid inlet pipe, one end of the liquid inlet pipe is connected to the sealed chamber, the output end of the circulation pump is connected to a liquid outlet pipe, one end of the liquid outlet pipe is connected to the sealed chamber, and the liquid outlet pipe is located above the first material guide plate.

[0013] According to a further technical solution, the driving mechanism comprises a first motor fixedly mounted on a housing, an output shaft of the first motor being fixedly connected to one end of a crushing roller, one end of two crushing rollers being fixedly connected to gears, and the two gears being meshingly connected.

[0014] According to a further technical solution, the feeding mechanism includes a feeding cylinder fixedly connected to the box body, a feeding hole being opened on the feeding cylinder, a feeding pipe being connected to the feeding hole, one end of the feeding pipe being connected to the end of the fourth material guide plate, a second motor being fixedly installed on the side of the feeding cylinder, a rotating rod being fixedly connected to the output shaft of the second motor, and a spiral blade being fixedly connected to one end of the rotating rod located inside the feeding cylinder.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] The utility model provides a slag removal device for a boiler in a thermal power plant. When the slag passes through a first guide plate, a second guide plate, a third guide plate and a fourth guide plate, the slag will conduct heat to the slag. The coolant cools the heat on the first guide plate, the second guide plate, the third guide plate and the fourth guide plate, thereby cooling the slag and completing the cooling of the slag before the slag enters the feed tube, thereby preventing the slag from sticking to the feed tube and clogging the feed mechanism. Since the first guide plate, the second guide plate, the third guide plate and the fourth guide plate have relatively large areas, even if the slag sticks to the guide plates, it will not cause clogging of the device, and the subsequent slag will also impact the stuck slag and knock the slag off the guide plates.

[0017] The utility model provides a boiler slag removal device for a thermal power plant. A circulating pump draws coolant from a sealed chamber and discharges it from the top of the sealed chamber, thereby making the coolant flow, thereby improving the cooling effect and cooling rate of the first guide plate, the second guide plate, the third guide plate and the fourth guide plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0020] Figure 3 For the utility model Figure 3 Enlarged structural diagram at A in the middle.

[0021] In the attached drawings: 1. box body; 2. feed inlet; 3. first guide plate; 4. second guide plate; 5. crushing roller; 6. third guide plate; 7. fourth guide plate; 8. cooling box; 9. coolant; 10. circulation component; 101. circulation pump; 102. liquid inlet pipe; 103. liquid outlet pipe; 11. driving mechanism; 111. first motor; 112. gear; 12. feeding mechanism; 121. feeding cylinder; 122. feed hole; 123. feed pipe; 124. second motor; 125. rotating rod; 126. spiral blade. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0024] like Figure 1-3As shown, a boiler slag removal device for a thermal power plant provided by the utility model comprises a box body 1, a feed port 2 is provided on the top of the box body 1, when installing the device, the feed port 2 of the device is installed below the boiler slag discharge port, a first guide plate 3 and a second guide plate 4 are fixedly connected inside the box body 1, the first guide plate 3 and the second guide plate 4 are both inclined, and the first guide plate 3 and the second guide plate 4 are funnel-shaped, the feed port 2 is located above the second guide plate 4, and two crushing rollers 5 are rotatably connected inside the box body 1, The two crushing rollers 5 are both located below the opening of the funnel. The box body 1 is also fixedly connected with an inclined third guide plate 6 and a fourth guide plate 7. The third guide plate 6 and the fourth guide plate 7 are respectively arranged on both sides of the interior of the box body 1 and are staggered. A cooling box 8 is installed on the outer side of the box body 1. The cooling box 8 and the outer side of the box body 1 form a sealed chamber. A coolant 9 is injected into the sealed chamber. The outer sides of the first guide plate 3, the second guide plate 4, the third guide plate 6 and the fourth guide plate 7 are all in contact with the coolant 9. It also includes:

[0025] A circulation component 10, wherein the circulation component 10 is mounted on the cooling box 8, wherein both the input end and the output end of the circulation component 10 are in communication with the sealed chamber, and the circulation component 10 is used to make the coolant 9 in the sealed chamber flow and circulate, thereby increasing the cooling rate;

[0026] A driving mechanism 11, wherein the driving mechanism 11 is mounted on the housing 1, and two output ends of the driving mechanism 11 are respectively connected to one end of two crushing rollers 5, and the driving mechanism 11 is used to drive the two crushing rollers 5 to rotate towards each other, so that the crushing rollers 5 crush the slag;

[0027] The feeding mechanism 12 is installed on the box body 1, and the input end of the feeding mechanism 12 is connected to the end of the fourth guide plate 7. The slag on the fourth guide plate 7 can enter the feeding mechanism 12. The feeding mechanism 12 is used to transport the slag and discharge the slag.

[0028] In the embodiment of the present utility model, Figure 2 As shown, as a preferred embodiment of the present utility model, the length of the second material guide plate 4 is greater than that of the first material guide plate 3 , and the opening of the funnel deviates from the center line of the box body 1 .

[0029] In the embodiment of the utility model, as a preferred embodiment of the utility model, the first material guide plate 3, the second material guide plate 4, the third material guide plate 6 and the fourth material guide plate 7 are all made of heat-conducting materials to improve the cooling efficiency.

[0030] In the embodiment of the present utility model, Figure 2As shown, as a preferred embodiment of the utility model, the circulation component 10 includes a circulation pump 101 fixedly mounted on the cooling box 8, the input end of the circulation pump 101 is connected to a liquid inlet pipe 102, one end of the liquid inlet pipe 102 is connected to the sealed chamber, the output end of the circulation pump 101 is connected to a liquid outlet pipe 103, one end of the liquid outlet pipe 103 is connected to the sealed chamber, and the liquid outlet pipe 103 is located above the first guide plate 3.

[0031] In the embodiment of the present utility model, Figure 1 As shown, as a preferred embodiment of the utility model, the driving mechanism 11 includes a first motor 111 fixedly mounted on the housing 1, the output shaft of the first motor 111 is fixedly connected to one end of a crushing roller 5, one end of the two crushing rollers 5 are fixedly connected with a gear 112, and the two gears 112 are meshedly connected.

[0032] In the embodiment of the present utility model, Figure 3 As shown, as a preferred embodiment of the utility model, the feeding mechanism 12 includes a feeding cylinder 121 fixedly connected to the box body 1, and a feeding hole 122 is opened on the feeding cylinder 121, and a feeding pipe 123 is connected to the feeding hole 122, and one end of the feeding pipe 123 is connected to the end of the fourth guide plate 7, and a second motor 124 is fixedly installed on the side of the feeding cylinder 121, and the output shaft of the second motor 124 is fixedly connected to a rotating rod 125, and one end of the rotating rod 125 located inside the feeding cylinder 121 is fixedly connected to a spiral blade 126.

[0033] The boiler slag removal device of a thermal power plant is installed under the boiler when in use, and the feed port 2 is aligned with the slag discharge port on the boiler. The slag in the boiler is discharged from the slag discharge port and falls onto the second guide plate 4 in the box body 1 through the feed port 2. Under the action of gravity, the slag slides from the second guide plate 4 to between the two crushing rollers 5. The first motor 111 drives one crushing roller 5 to rotate, and the crushing roller 5 drives a gear 112 to rotate. The gear 112 drives another gear 112 and another crushing roller 5 to rotate, so that the two crushing rollers 5 crush the slag. The crushed slag falls onto the third guide plate 6 and the fourth guide plate 7 in turn, and enters the feed pipe 123 from the end of the fourth guide plate 7. Then, the slag enters the conveying tube 121 through the feed pipe 123, and the second motor 124 drives the rotating rod 125 and the spiral blade 126 to rotate. The spiral The blades 126 drive the slag to move in the feed barrel 121. When the transfer vehicle is parked at the outlet of the feed barrel 121, the slag will fall into the transfer vehicle. During this process, the first guide plate 3, the second guide plate 4, the third guide plate 6 and the fourth guide plate 7 will all conduct heat to the slag passing thereon, and the coolant 9 cools the heat on the first guide plate 3, the second guide plate 4, the third guide plate 6 and the fourth guide plate 7, thereby cooling the slag and completing the cooling of the slag before entering the feed barrel 121, thereby preventing the slag from sticking to the feed barrel 121 and preventing the feed mechanism 12 from being blocked. The circulating pump 101 extracts the coolant 9 in the sealed chamber and discharges it from the top of the sealed chamber, thereby allowing the coolant 9 to flow, thereby improving the cooling effect and cooling rate of the first guide plate 3, the second guide plate 4, the third guide plate 6 and the fourth guide plate 7.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A boiler slag removal device for a thermal power plant, comprising a box body, characterized in that: The box body is fixedly connected with a first material guide plate and a second material guide plate, the first material guide plate and the second material guide plate are both inclined, and the first material guide plate and the second material guide plate are funnel-shaped, the box body is rotatably connected with two crushing rollers, and the two crushing rollers are located below the opening of the funnel, and the box body is also fixedly connected with an inclined third material guide plate and a fourth material guide plate, the third material guide plate and the fourth material guide plate are respectively arranged on both sides of the inside of the box body and are staggered, and a cooling box is installed on the outer side of the box body, and the cooling box and the outer side of the box body form a sealed chamber, and the inside of the sealed chamber is injected with cooling liquid, and the outer sides of the first material guide plate, the second material guide plate, the third material guide plate and the fourth material guide plate are all in contact with the cooling liquid, and also include: A circulation component, wherein the circulation component is mounted on the cooling box, wherein the input end and the output end of the circulation component are both in communication with the sealed chamber, and the circulation component is used to make the coolant in the sealed chamber flow and circulate; A driving mechanism, wherein the driving mechanism is installed on the box body, and two output ends of the driving mechanism are respectively connected to one end of the two crushing rollers, and the driving mechanism is used to drive the two crushing rollers to rotate towards each other; A feeding mechanism is installed on the box body, an input end of the feeding mechanism is connected with the end of the fourth guide plate, the slag on the fourth guide plate can enter the feeding mechanism, and the feeding mechanism is used to transport and discharge the slag.

2. The boiler slag removal device for a thermal power plant according to claim 1, characterized in that: The length of the second material guide plate is greater than that of the first material guide plate, and the opening of the funnel deviates from the center line of the box body.

3. The boiler slag removal device for a thermal power plant according to claim 2, characterized in that: The first material guide plate, the second material guide plate, the third material guide plate and the fourth material guide plate are all made of heat-conducting materials.

4. The boiler slag removal device for a thermal power plant according to claim 1, characterized in that: The circulation component includes a circulation pump fixedly installed on the cooling box, the input end of the circulation pump is connected to a liquid inlet pipe, one end of the liquid inlet pipe is connected to the sealed chamber, the output end of the circulation pump is connected to a liquid outlet pipe, one end of the liquid outlet pipe is connected to the sealed chamber, and the liquid outlet pipe is located above the first material guide plate.

5. The boiler slag removal device for a thermal power plant according to claim 1, characterized in that: The driving mechanism comprises a first motor fixedly mounted on the box body, wherein the output shaft of the first motor is fixedly connected to one end of a crushing roller, one end of the two crushing rollers are fixedly connected to gears, and the two gears are meshedly connected.

6. The boiler slag removal device for a thermal power plant according to claim 1, characterized in that: The feeding mechanism includes a feeding cylinder fixedly connected to the box body, a feeding hole is opened on the feeding cylinder, a feeding pipe is connected to the feeding hole, one end of the feeding pipe is connected to the end of the fourth material guide plate, a second motor is fixedly installed on the side of the feeding cylinder, the output shaft of the second motor is fixedly connected to a rotating rod, and one end of the rotating rod located inside the feeding cylinder is fixedly connected to a spiral blade.

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