Boiler slag cooling water pipeline

Abstract

The utility model discloses a boiler slag cooling water pipeline which comprises a water inlet pipe and a conveying pipe, one end of the water inlet pipe is communicated with an outlet of a desulfurization condenser, the other end of the water inlet pipe is closed, a plurality of slag removal assemblies are arranged on the two sides of the water inlet pipe respectively, each slag removal assembly comprises a roller, and one end of each roller is communicated with a feeding port convenient for slag to enter the roller. A slag poking opening used for cleaning the interior of the roller is formed in the position, located on the lower portion of the feeding opening, of one end of the roller, the other end of the roller is communicated with a discharging device, a slag outlet is formed in the lower portion of the discharging device, and a medium discharged by the desulfurization condenser enters each group of water inlets through the water inlet pipe and enters the roller. Therefore, the slag is cooled, heat of the slag is fully utilized, the utilization rate of the slag is increased, the cooled slag is discharged into the slag trough through the discharging device, and the slag is convenient to clean.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of boiler auxiliary equipment, and particularly relates to a boiler slag cooling water pipeline. BACKGROUND

[0002] At present, there are a large number of layer combustion boilers in the field of central heating, and the physical sensible heat loss of the layer combustion boiler is about 1% to 3.0%, and part of the heat is not effectively utilized. High-temperature slag is generally transported to the slag heap outside the plant by a scraper slag conveyor (or a scraper slag grab or a scraper slag machine).

[0003] Since the temperature of the slag is 600-900 DEG C, in order to enable the slag conveyor to operate normally, the high-temperature slag needs to be cooled by using slag cooling water, and part of the water evaporates due to the absorption of the heat of the slag, resulting in that the part of the heat is not effectively utilized, thereby greatly reducing the utilization efficiency of resources. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a boiler slag cooling water pipeline to solve the technical defect that the heat is not effectively utilized in the boiler auxiliary equipment.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A boiler slag cooling water pipeline comprises a water inlet pipe and a conveying pipe, one end of the water inlet pipe is communicated with the outlet end of a desulfurization condenser, the other end of the water inlet pipe is closed, a plurality of groups of slag removal assemblies are arranged on the two sides of the water inlet pipe, the middle part of the conveying pipe is connected with a deaerator through a pumping assembly, one end of the conveying pipe is connected with a water supply main pipe through a heat exchange assembly, and the other end of the conveying pipe is closed.

[0007] The slag removal assembly comprises a roller, one end of the roller is communicated with a feeding port for facilitating the slag to enter the inside of the roller, the one end of the roller and the lower part of the feeding port are provided with a slag poking port for cleaning the inside of the roller, the other end of the roller is communicated with a discharging device, the lower part of the discharging device is provided with a slag outlet, one end of the discharging device is respectively communicated with a water inlet and a water outlet, the water inlet is communicated with the water inlet pipe, the water outlet is communicated with the conveying pipe, and the lower part of the roller is provided with a rotating assembly for rotating the roller; a group of slag grooves are arranged below the slag outlet of the discharging device.

[0008] As a further scheme of the utility model, the pumping assembly comprises a second communication pipe communicated with the conveying pipe, the end of the second communication pipe is communicated with a booster pump, the output end of the booster pump is communicated with a first communication pipe, and the end of the first communication pipe is communicated with the deaerator.

[0009] As a further scheme of the utility model, the heat exchange assembly comprises a connecting pipe communicated with the water supply main pipe, the end of the connecting pipe is communicated with a heat exchanger, and the end of the heat exchanger is communicated with the conveying pipe.

[0010] As a further scheme of the utility model, the rotating assembly comprises a driving motor arranged at the lower part of the roller, the output shaft of the driving motor is connected with a second sprocket, the surface of the roller and the outer cylindrical surface of the second sprocket in the corresponding position are fixedly provided with a first sprocket, the first sprocket and the second sprocket are connected together through a chain, the lower part of the roller is provided with a carrier wheel, the surface of the roller and the carrier wheel in the corresponding position are provided with a rolling ring, and the surface of the carrier wheel contacts the rolling ring.

[0011] As a further scheme of the utility model, the surface of the roller is provided with a cover for covering the chain.

[0012] As a further scheme of the utility model, one end of the roller is communicated with a dust suction pipe.

[0013] Compared with the prior art, the utility model discloses a boiler cold slag water pipeline has the following beneficial effects:

[0014] 1、 the utility model discloses a slag removal assembly is arranged, the medium discharged by the desulfurization condenser enters the inside of every group of water inlets through the water inlet pipe respectively, enters the roller, thereby realizes the cooling of the slag, and then the heat of the slag is fully utilized, improves the utilization of the slag, and the slag cooled off is discharged into the slag channel through the discharge device, which is convenient for personnel to clean the slag.

[0015] 2、 the utility model discloses the setting of the pumping assembly can effectively improve the pressure of the medium in the conveying pipe, ensures that the medium can enter the deaerator smoothly, utilizes the medium again, and the booster pump provides power, ensures the stable operation of the deaeration link, prevents the medium from not entering the deaerator or entering not smoothly due to insufficient pressure, and influences the deaeration effect. ACCURACY

[0016] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawing needed to be used in the embodiment, and obviously, the drawing in the following description is only one case of the embodiment of the utility model, and for the ordinary skilled person in the art, other drawings can be obtained according to the drawings without creating labor.

[0017] Figure 1 It is a structural schematic view of the embodiment of the utility model;

[0018] Figure 2 It is a structural schematic view of the rotating assembly in the embodiment of the utility model;

[0019] Figure 3 It is a sectional view of the rotating assembly in the embodiment of the utility model;

[0020] Figure 4 It is a structural schematic view of the first sprocket in the embodiment of the utility model.

[0021] Reference signs:

[0022] 1, water supply main pipe; 2, connecting pipe; 3, heat exchanger; 4, slag groove;

[0023] 5, slag removal assembly; 51, feeding port; 52, slag poking port; 53, roller; 54, cover; 55, driving motor; 56, roller ring; 57, slag discharging port; 58, dust suction pipe; 59, water inlet; 510, water outlet; 511, supporting wheel; 512, first sprocket; 513, second sprocket; 514, chain; 515, discharging device;

[0024] 7, conveying pipe; 8, water inlet pipe; 9, first communication pipe; 10, booster pump; 11, second communication pipe. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the embodiments of the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not to limit the present application.

[0026] In the description of the embodiments of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0027] In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, integrally connected, or detachably connected; it can be the communication between the two elements; it can be directly connected, or indirectly connected through an intermediate medium; for those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0028] Referring to the drawings Figures 1-4As shown, the utility model embodiment a boiler cold slag water pipeline, including water inlet pipe 8 and delivery pipe 7, one end of water inlet pipe 8 is communicated with the export of desulfurization condenser, the other end of water inlet pipe 8 is closed arrangement, the both sides of water inlet pipe 8 are provided with several groups of slag removal assembly 5 respectively, the middle part of delivery pipe 7 is connected with deaerator through pumping assembly, one end of delivery pipe 7 is communicated with the water supply main pipe 1 through heat exchange assembly, the other end of delivery pipe 7 is closed arrangement;Slag removal assembly 5 includes cylinder 53, one end of cylinder 53 is communicated with the feed inlet 51 for facilitating the slag into the inside of cylinder 53, one end of cylinder 53 and the lower part of feed inlet 51 are provided with the ramming slag port 52 for cleaning the inside of cylinder 53, one end of cylinder 53 is communicated with the discharge device 515, the lower part of discharge device 515 has slag outlet 57, one end of discharge device 515 is communicated with water inlet 59 and water outlet 510 respectively, water inlet 59 is communicated with water inlet pipe 8, water outlet 510 is communicated with delivery pipe 7, the lower part of cylinder 53 is provided with rotating assembly for rotating cylinder 53.

[0029] The lower part of the slag outlet 57 of the discharge device 515 is provided with a group of slag groove 4, by the setting of slag removal assembly 5, the medium discharged by the desulfurization condenser enters the inside of each group of water inlet 59 through water inlet pipe 8 respectively, enters the inside of cylinder 53, thereby realizing the cooling of the slag, and then fully utilizing the heat of the slag, improving the utilization rate of the slag, and the cooled slag is discharged into the slag groove 4 through the discharge device 515, facilitating the cleaning of the slag by personnel.

[0030] The feed inlet 51 of the cylinder 53 is provided with a feed assembly, the feed assembly is a screw feeder, and the model of the screw feeder can be, but is not limited to, JND-LX series of Genetech, and the screw feeder is used to convey the slag generated by the boiler into the feed inlet 51, so that the next step operation is performed.

[0031] The discharge device 515 is a rotary slag discharge valve, which is driven by a motor, and controls the discharge amount of the slag by rotating impellers or gates, the rotary slag discharge valve can accurately adjust the slag discharge speed, adapt to different slag removal requirements, and can effectively prevent air from entering the slag remover, and maintain the sealing property of the slag removal system.

[0032] The pumping assembly includes a second communication pipe 11 communicated with the delivery pipe 7, the end of the second communication pipe 11 is communicated with a booster pump 10, the output end of the booster pump 10 is communicated with a first communication pipe 9, and the end of the first communication pipe 9 is communicated with the deaerator. The pumping assembly in the utility model embodiment can effectively improve the pressure of the medium in the delivery pipe 7, ensure that the medium can smoothly enter the deaerator, and utilize the medium again, and the booster pump 10 provides power, ensures the stable operation of the deaeration link, prevents the medium from not entering or not entering smoothly due to insufficient pressure, and affects the deaeration effect.

[0033] The heat exchange assembly includes a connecting pipe 2 connected to the water supply header 1. A heat exchanger 3 is connected to the end of the connecting pipe 2, and the end of the heat exchanger 3 is connected to the delivery pipe 7. The connecting pipe 2 connects the water supply header 1 to the heat exchanger 3, and then to the delivery pipe 7, enabling heat exchange between different media. The heat from the medium in the delivery pipe 7 is used to preheat the water in the water supply header 1, improving energy utilization. The temperature of the medium in the delivery pipe 7 is also adjusted to better meet subsequent processing requirements, thus improving the system's energy efficiency and operational stability.

[0034] See Figure 2 , 3 As shown, the rotating assembly includes a drive motor 55 located at the lower part of the drum 53. The output shaft of the drive motor 55 is connected to a second sprocket 513. A first sprocket 512 is fixedly sleeved on the outer surface of the drum 53 at a position corresponding to the second sprocket 513. The first sprocket 512 and the second sprocket 513 are connected together by a chain 514. A support roller 511 is provided at the lower part of the drum 53, and a rolling ring 56 is provided on the surface of the drum 53 at a position corresponding to the support roller 511. The surface of the support roller 511 contacts the rolling ring 56. In the rotating assembly, the chain 514 drives the first sprocket 512, thereby driving the drum 53 to rotate. This not only has a simple structure and high transmission efficiency, but also provides a stable and continuous power for the rotation of the drum 53, ensuring that the slag is tumbled and processed inside the drum 53, ensuring efficient operation of the slag removal work. It is also easy to maintain and repair. Furthermore, the arrangement of the support roller 511 and the rolling ring 56 can reduce the friction force experienced by the drum 53 during rolling.

[0035] The surface of the roller 53 is provided with a cover 54 for covering the chain 514, which can prevent the chain 514 from being affected by external environmental factors, such as dust and moisture, extend the service life of the chain 514, and at the same time prevent operators from accidentally contacting the rotating chain 514, improve the safety of equipment operation, and reduce the probability of equipment failure and safety accidents.

[0036] In this embodiment of the invention, one end of the roller 53 is connected to a dust suction pipe 58, which promptly sucks up the dust generated during the slag removal process, reducing the amount of dust that escapes into the working environment, improving the air quality of the workplace, and reducing the harm to the health of operators.

[0037] When this utility model embodiment is in operation, the slag is fed into the feed port 51 of the drum 53 through the feeding device, and the drive motor 55 is started. The drive motor 55 drives the second sprocket 513 to rotate. At the same time, the second sprocket 513 drives the first sprocket 512 to rotate through the chain 514, thereby driving the drum 53 to rotate and turning the slag inside the drum 53.

[0038] The medium discharged by the desulfurization condenser enters the inside of each group of water inlets 59 through the water inlet pipe 8 respectively, so as to enter the roller 53 to cool the slag and heat the medium, then enters the conveying pipe 7 through the water outlet 510, and part of the medium flows into the second communication pipe 11 and is pumped to the deaerator through the booster pump 10 to further treat the medium, while part of the medium enters the heat exchanger and enters the water supply main pipe 1 through the connecting pipe 2, so as to cool the slag and fully utilize the heat of the slag; the cooled slag is discharged into the slag channel 4 through the discharging device 515, so as to facilitate the staff to clean the slag.

[0039] The embodiment of the utility model discloses a boiler cold slag water pipe, the medium discharged by the desulfurization condenser enters the inside of each group of water inlets 59 through the water inlet pipe 8 respectively, enters the roller 53, so as to realize cooling the slag, and further utilize the heat of the slag, improve the utilization of the slag, and the cooled slag is discharged into the slag channel 4 through the discharging device 515, so as to facilitate the staff to clean the slag.

[0040] The above shows and describes the basic principle of the present application, and the above is only the preferred embodiment of the present application, and does not limit the present application, and the above embodiment and the description in the specification only illustrate the principle of the present application, and any modification, equivalent replacement and improvement within the scope of the present application can be included in the protection scope of the present application.

Claims

1. A boiler deslagging water conduit comprising an inlet pipe (8) and a delivery pipe (7), characterized in that: One end of the water inlet pipe (8) is communicated with the outlet end of the desulfurization condenser, the other end of the water inlet pipe (8) is closed, a plurality of slag removal assemblies (5) are arranged on the two sides of the water inlet pipe (8) respectively, the middle part of the conveying pipe (7) is connected with the deaerator through a pumping assembly, one end of the conveying pipe (7) is communicated with the water supply main pipe (1) through a heat exchange assembly, and the other end of the conveying pipe (7) is closed. The slag removal assembly (5) comprises a roller (53), one end of the roller (53) is communicated with a feeding port (51) for facilitating the slag to enter the inside of the roller (53), a slag poking port (52) for cleaning the inside of the roller (53) is arranged at one end of the roller (53) and located at the lower part of the feeding port (51), the other end of the roller (53) is communicated with a discharging device (515), the discharging device (515) is provided with a slag discharging port (57) below, one end of the discharging device (515) is respectively communicated with a water inlet (59) and a water outlet (510), the water inlet (59) is communicated with the water inlet pipe (8), the water outlet (510) is communicated with the conveying pipe (7), and a rotating assembly for rotating the roller (53) is arranged at the lower part of the roller (53). A group of slag grooves (4) are arranged below the slag discharging port (57) of the discharging device (515).

2. A boiler deslagging water tube conduit as claimed in claim 1, wherein: The pumping assembly comprises a second communication pipe (11) communicated with the conveying pipe (7), the end of the second communication pipe (11) is communicated with a booster pump (10), the output end of the booster pump (10) is communicated with a first communication pipe (9), and the end of the first communication pipe (9) is communicated with the deaerator.

3. A boiler deslagging water tube conduit as defined in claim 2 wherein: The heat exchange assembly comprises a connecting pipe (2) communicated with the water supply main pipe (1), the end of the connecting pipe (2) is communicated with a heat exchanger (3), and the end of the heat exchanger (3) is communicated with the conveying pipe (7).

4. A boiler deslagging water tube conduit as defined in claim 3 wherein: The rotating assembly comprises a driving motor (55) arranged at the lower part of the roller (53), the output shaft of the driving motor (55) is connected with a second sprocket (513), the surface of the roller (53) and the corresponding position of the second sprocket (513) are fixedly provided with a first sprocket (512) on the outer circle surface, the first sprocket (512) and the second sprocket (513) are connected together through a chain (514), the lower part of the roller (53) is provided with a supporting roller (511), the surface of the roller (53) and the corresponding position of the supporting roller (511) are provided with a rolling ring (56), and the surface of the supporting roller (511) contacts the rolling ring (56).

5. A boiler deslagging water tube conduit as defined in claim 4 wherein: The surface of the roller (53) is provided with a cover (54) for covering the chain (514).

6. A boiler deslagging water tube conduit as defined in claim 5 wherein: One end of the roller (53) is communicated with a dust suction pipe (58).

Images