Special scraper conveyor for boiler

Abstract

The utility model relates to a scraper conveyor special for a boiler. The scraper conveyor comprises a machine shell. The conveying mechanism comprises two chains and a plurality of scrapers, and the return stroke sections of the chains are located above the forward stroke sections; each partition assembly comprises a plurality of partition plates connected to the chain, the partition plates are arranged at intervals in the length direction of the chain, the projections of the adjacent partition plates in the axial direction of the chain transmission shaft intersect, the projections of the partition plates on one chain in the axial direction of the chain transmission shaft cover the chain, and the bottoms of the partition plates are attached to the bottom of the machine shell when the partition plates are located at the forward stroke section; a baffle is arranged between the forward stroke section and the return stroke section of the chain, the projection of the baffle in the direction perpendicular to the forward stroke section of the chain and the chain transmission shaft covers the forward stroke section of the chain, the partition plate is located below the baffle when rotating to the forward stroke section along with the chain, and the top of the partition plate is attached to the baffle. Materials can be prevented from directly making contact with the return stroke section and the forward stroke section of the chain, normal operation of the chain is guaranteed, the service life of the chain is prolonged, and the failure rate is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of scraper conveyors, in particular to a scraper conveyor special for boilers. Background Art

[0002] Boiler ash refers to the final product formed after minerals undergo certain physical and chemical changes under the high temperature in the furnace. Since ash in the boiler will cause problems such as contamination, slagging, corrosion and wear of the heating surface in the boiler, affecting the normal operation of the boiler, it is necessary to remove the ash effectively and in a timely manner. The ash needs to be transported to the next stage using the boiler slag discharge device, which is called slag discharge. The timely transportation and treatment of high-temperature boiler ash is a necessary link for the safe operation of the boiler.

[0003] Since boiler ash has the characteristics of high temperature, strong abrasiveness, and easy agglomeration, it is usually equipped with a scraper conveyor for slag discharge and transportation. It is not only heat-resistant, but also runs in a sealed cavity without damaging the environment.

[0004] The scraper chain of a conventional scraper conveyor is usually in direct contact with the material. The material increases the wear of the chain and reduces the service life of the chain. It is also easy for the material to get stuck in the chain, causing the machine to be unable to operate normally, resulting in frequent shutdowns for maintenance, affecting normal production. Utility Model Content

[0005] Based on the above description, the utility model provides a scraper conveyor dedicated to boilers to solve the problem that the scraper chain of a conventional scraper conveyor is usually in direct contact with the material, the material increases the wear of the chain, reduces the service life of the chain, and it is easy for the material to get stuck in the chain, causing the machine to be unable to operate normally, resulting in frequent shutdowns for maintenance, affecting normal production.

[0006] The technical solution of the utility model to solve the above technical problems is as follows:

[0007] The present application provides a scraper conveyor for boilers, and the technical solution adopted is as follows:

[0008] A scraper conveyor for boilers, comprising:

[0009] chassis;

[0010] A conveying mechanism, which is arranged in the housing, comprises two chains and a plurality of scrapers, wherein the two chains are arranged at intervals in the horizontal direction and are parallel to each other, the return section of the chain is located above the outward section, the scraper connects the two chains and the plurality of scrapers are arranged at intervals along the length direction of the chain;

[0011] Two groups of partition components are respectively connected to the two chains, and the partition components include a plurality of partitions connected to the chains and located between the two chains, the plane of the partition is perpendicular to the chain transmission shaft, and the plurality of partitions are arranged at intervals along the length direction of the chain, and the projections of adjacent partitions in the axial direction of the chain transmission shaft intersect, and the projections of the plurality of partitions connected to one chain in the axial direction of the chain transmission shaft cover the chain, and the bottom of the partition is in contact with the bottom of the casing when the chain rotates to the forward section;

[0012] A baffle is provided between the outgoing section and the return section of the chain, and the baffle is connected to the casing. The baffle is projected to cover the outgoing section of the chain in a direction perpendicular to the outgoing section of the chain and perpendicular to the chain transmission shaft, and when the partition rotates with the chain to be located in the outgoing section, it is located below the baffle and the top is in contact with the baffle.

[0013] Preferably, adjacent partitions are distributed in the axial direction of the chain transmission shaft and fit each other.

[0014] Preferably, the number of the partitions connected to one chain is the same as the number of the scrapers, and the multiple partitions connected to one chain are connected to the multiple scrapers in a one-to-one correspondence.

[0015] Preferably, the baffle plane is parallel to the chain transmission shaft and parallel to the outward section of the chain.

[0016] Preferably, the baffle plane is parallel to the chain transmission shaft and parallel to the outward section of the chain.

[0017] Preferably, a feed inlet is provided on the top of the casing, and the feed inlet is located between the two partition components.

[0018] Preferably, an inspection opening is provided on the side wall of the casing.

[0019] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0020] 1. The present application sets a partition assembly and a baffle, wherein a plurality of partitions in the partition assembly are connected to a chain and rotate with the chain, wherein the projections of adjacent partitions on the axial direction of the chain transmission shaft intersect, that is, adjacent partitions partially overlap, and the projections of the plurality of partitions on the axial direction of the chain transmission shaft cover the chain, and at the same time, the baffle is projected to cover the outbound section of the chain in a direction perpendicular to the outbound section of the chain and perpendicular to the chain transmission shaft, and when the partition rotates with the chain to be located in the outbound section, the partition is located below the baffle and the top and bottom are respectively in contact with the baffle and the bottom of the casing, so that the outbound section of a chain on which the baffle is located A plurality of partitions cooperate with the baffle and the bottom of the casing to form a partition structure to cover the outgoing section of the chain; and since the return section and the outgoing section of the chain are arranged up and down, the material is carried by the bottom of the casing so that the material is located between the two sets of partitions when entering the casing. The partition makes it difficult for the material to enter the return section of the chain, and it is also difficult for the material to enter the return section from above the return section. A baffle is arranged above the outgoing section of the chain, which cooperates with the partition and the bottom of the casing to separate the outgoing section of the chain from the material, thereby preventing the material from directly contacting the return section and the outgoing section of the chain to affect the normal operation and service life of the chain, reducing the failure rate, and ensuring the normal progress of production. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the structure of a scraper conveyor for boilers provided in an embodiment of the utility model;

[0022] Figure 2 A cross-sectional schematic diagram of a boiler-specific scraper conveyor provided in an embodiment of the utility model;

[0023] Figure 3 A schematic diagram of the matching of adjacent partitions in a scraper conveyor for boilers provided in an embodiment of the utility model;

[0024] Figure 4 A schematic structural diagram of a partition plate in a scraper conveyor for boilers provided in an embodiment of the utility model.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1. Casing; 11. Feed inlet; 12. Inspection port; 2. Chain; 21. Mounting plate; 3. Scraper; 4. Lower guide rail; 5. Upper guide rail; 6. Guide rail bracket; 61. Support plate; 62. Side plate; 7. Partition plate; 71. Slot; 8. Baffle. DETAILED DESCRIPTION

[0027] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0029] It will be appreciated that spatial relationship terms such as "under," "beneath," "below," "under," "above," "above," etc., may be used herein to describe the relationship of an element or feature shown in the figures to other elements or features. It will be appreciated that, in addition to the orientations shown in the figures, spatial relationship terms also include different orientations of the device in use and operation. For example, if the device in the accompanying drawings is flipped, an element or feature described as "under other elements" or "under it" or "under it" will be oriented as being "above" the other elements or features. Thus, the exemplary terms "under" and "under" may include both upper and lower orientations. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptors used herein are interpreted accordingly.

[0030] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element, or connected to the other element through an intermediate element. The "connection" in the following embodiments should be understood as "electrical connection", "communication connection", etc. if the connected circuits, modules, units, etc. have electrical signals or data transmission between each other.

[0031] When used herein, the singular forms "a", "an", and "said / the" may also include plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" etc. specify the presence of stated features, wholes, steps, operations, components, parts or combinations thereof, but do not exclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof.

[0032] Reference Figure 1-4 As shown, an embodiment of the present application provides a boiler-specific scraper conveyor, which includes a casing 1 and a conveying mechanism arranged in the casing 1, the conveying mechanism includes two chains 2 and a plurality of scrapers 3, the two chains 2 are arranged at intervals in the horizontal direction and are parallel to each other, the scrapers 3 connect the two chains 2 and the plurality of scrapers 3 are arranged at intervals along the length direction of the chains 2.

[0033] Reference Figure 1-2As shown, specifically, two chains 2 are distributed on both sides of the casing 1 inside the casing 1, and both ends of the chain 2 are connected to the casing 1 through a transmission shaft, and the transmission shaft at one end is connected to the motor through a belt device, and the motor drives the transmission shaft to rotate to drive the chain 2 to rotate, and the transmission shaft at the other end can move along the conveying direction to adjust the tightness of the chain 2, which can be specifically adjusted by a screw tensioning structure.

[0034] Reference Figure 1-2 As shown, further, the chain 2 is arranged so that the return section is located above the outward section, corresponding to the bottom of the housing 1 carrying the material, and the scraper 3 contacts the bottom of the housing 1 when the chain 2 rotates to the outward section, and the chain 2 drives the material forward through the scraper 3 when it rotates to realize the conveying function. In this embodiment, the conveying direction of the conveyor is horizontal, and correspondingly, the outward section of the chain 2 is arranged horizontally.

[0035] Reference Figure 1-2 As shown, further, two lower guide rails 4 are provided at the bottom of the casing 1 for supporting the outbound sections of the two chains 2 respectively. At the same time, guide rail brackets 6 are provided on both side walls of the casing 1 and are located between the return section and the outbound section of the chain 2. An upper guide rail 5 is provided on the top of the guide rail bracket 6 to support the return section of the chain 2. The upper guide rail 5 and the lower guide rail 4 support and guide the chain 2 to ensure the stable operation of the chain 2.

[0036] Reference Figure 2-3 As shown, further, in order to prevent the material from directly contacting the chain 2, a partition assembly is respectively provided on the two chains 2, and the partition assembly includes a plurality of partitions 7 connected to the chain 2 and located between the two chains 2, the plane of the partition 7 is perpendicular to the transmission shaft of the chain 2, and the plurality of partitions 7 are arranged at intervals along the length direction of the chain 2, and the projections of adjacent partitions 7 on the axial direction of the transmission shaft of the chain 2 intersect, and the projections of the plurality of partitions 7 connected to one chain 2 on the axial direction of the transmission shaft of the chain 2 cover the chain 2, and the bottom of the partition 7 is in contact with the bottom of the casing 1 when the chain 2 rotates to be located in the outward section.

[0037] Reference Figure 2-3 As shown, specifically, the partition 7 is located between the two chains 2 and is spaced apart from the chains 2 to avoid affecting the operation of the chains 2. Adjacent partitions 7 are distributed in the axial direction of the transmission shaft of the chains 2 and fit each other, so that the material cannot enter the chains 2 from between the adjacent partitions 7. Since the partition 7 fits with the bottom of the casing 1 when the partition 7 rotates with the chain 2 to be located in the outgoing section, the partition 7 is set as a rectangular plate in the design, and the bottom of the partition 7 is parallel to and fits with the bottom of the casing 1 when the partition 7 is located in the outgoing section of the chain 2, so that the material is not easy to pass through the partition 7 from the bottom of the partition 7 to enter the outgoing section of the chain 2, and the upper guide rail 5 at the bottom of the return section of the chain 2 can prevent the material from entering the return section from below, and at this time, the material can only enter the chain 2 from the top of the outgoing section and the return section of the chain 2.

[0038] Reference Figure 2 As shown, further, in order to prevent the material from entering the return section from the top of the return section, a feed port 11 is set on the top of the casing 1, and the feed port 11 is located between the two groups of partition components, so that the feed port 11 is located between the two groups of partitions 7. When the material enters the casing 1 from the feed port 11, the material falls between the two groups of partitions 7, so that the partitions 7 play the role of separating the materials.

[0039] Reference Figure 3-4 As shown, to facilitate the installation of the partitions 7, the number of partitions 7 connected to a chain 2 is set to be the same as the number of scrapers 3, and the multiple partitions 7 connected to a chain 2 are connected to the multiple scrapers 3 one by one, and each scraper 3 is connected to a partition 7 at both ends; specifically, a mounting plate 21 for mounting the scraper 3 is fixed on the chain 2, and the mounting plate 21 is parallel to the scraper 3, and a slot 71 for the mounting plate 21 to be embedded is provided on the partition 7, and the mounting plate 21 is inserted into the slot 71 on the partition 7 and fixed to the partition 7.

[0040] Reference Figure 2 As shown, further, in order to prevent the material from entering the return section from the top of the outgoing section, a baffle 8 is provided between the outgoing section and the return section of the chain 2, and the baffle 8 is connected to the housing 1. The baffle 8 is projected to cover the outgoing section of the chain 2 in a direction perpendicular to the outgoing section of the chain 2 and perpendicular to the transmission shaft of the chain 2, and the partition 7 is located below the baffle 8 when the chain 2 rotates to the outgoing section, and the top is in contact with the baffle 8. Specifically, the plane of the baffle 8 is set to be parallel to the transmission shaft of the chain 2 and parallel to the outgoing section of the chain 2, that is, in this embodiment, the baffle 8 is set horizontally; the baffle 8 above the outgoing section of one chain 2 is sealed and connected to the housing 1 on the side away from the other chain 2, and the baffle 8 and the baffle 8 located in the outgoing section of the chain 2 and the bottom of the housing 1 cooperate with the separation cavity to separate the chain 2 from the material, so that the material is not easy to enter the outgoing section of the chain 2, thereby protecting the chain 2.

[0041] Reference Figure 2As shown, in order to avoid the accumulation of materials on the baffle 8, the guide rail bracket 6 is configured to include two support plates 61 and a side plate 62. The two support plates 61 are horizontally arranged and extend along the length direction of the chain 2, and the two support plates 61 are vertically spaced apart. The support plates 61 are fixed on the side wall of the casing 1, and the upper guide rail 5 is installed on the upper support plate 61. The baffle 8 is connected to the lower support plate 61; the side plate 62 is located on the side of the support plate 61 away from the side wall of the casing 1 and is vertically arranged. The side plate 62 extends along the length direction of the chain 2. The side plate 62 and the two support plates 61 are integrally formed, and the distance between the side plate 62 and the side wall of the casing 1 is smaller than the axial width of the baffle 8 along the transmission shaft of the chain 2. By configuring the guide rail bracket 6 to include two integrally formed support plates 61 and side plates 62, a stable supporting effect can be provided for the upper guide rail 5. At the same time, the side plates 62 can prevent the material from directly contacting the side wall of the casing 1, thereby reducing the impact on the casing 1 and reducing the accumulation of material on the baffle 8, thereby ensuring that all the material can be output.

[0042] Reference Figure 1 As shown, further, an inspection opening 12 is provided on the side wall of the casing 1 , and a movable door panel is provided at the inspection opening 12 to open or close the inspection opening 12 .

[0043] 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, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A scraper conveyor for boilers, characterized in that: include: Housing (1); A conveying mechanism, which is arranged in the housing (1), comprises two chains (2) and a plurality of scrapers (3), wherein the two chains (2) are arranged at intervals in the horizontal direction and are parallel to each other, the return section of the chain (2) is located above the outward section, the scraper (3) connects the two chains (2), and the plurality of scrapers (3) are arranged at intervals along the length direction of the chain (2); Two groups of partition components are respectively connected to the two chains (2), and the partition components include a plurality of partitions (7) connected to the chains (2) and located between the two chains (2), the plane of the partition (7) is perpendicular to the transmission shaft of the chain (2), the plurality of partitions (7) are arranged at intervals along the length direction of the chain (2), the projections of adjacent partitions (7) on the axial direction of the transmission shaft of the chain (2) intersect, and the projections of the plurality of partitions (7) connected to one chain (2) on the axial direction of the transmission shaft of the chain (2) cover the chain (2), and the bottom of the partition (7) is in contact with the bottom of the casing (1) when the chain (2) rotates to the forward section; A baffle (8) is provided between the outgoing section and the return section of the chain (2); the baffle (8) is connected to the housing (1); the baffle (8) is projected to cover the outgoing section of the chain (2) in a direction perpendicular to the outgoing section of the chain (2) and perpendicular to the transmission shaft of the chain (2); and the partition (7) is located below the baffle (8) and the top is in contact with the baffle (8) when the chain (2) rotates to the outgoing section.

2. The boiler-specific scraper conveyor according to claim 1 is characterized in that: Adjacent partitions (7) are distributed in the axial direction of the chain (2) transmission shaft and fit each other.

3. The boiler-specific scraper conveyor according to claim 1 is characterized in that: The number of the partitions (7) connected to one chain (2) is the same as the number of the scrapers (3), and the plurality of partitions (7) connected to one chain (2) are connected to the plurality of scrapers (3) in a one-to-one correspondence.

4. The boiler-specific scraper conveyor according to claim 1 is characterized in that: The plane of the baffle (8) is parallel to the transmission axis of the chain (2) and is parallel to the outward section of the chain (2).

5. The boiler-specific scraper conveyor according to claim 1 is characterized in that: The baffle (8) above the outward section of one of the chains (2) is sealedly connected to the casing (1) on the side away from the other chain (2).

6. The boiler-specific scraper conveyor according to claim 1 is characterized in that: A feed inlet (11) is provided on the top of the casing (1), and the feed inlet (11) is located between the two partition components.

7. The boiler-specific scraper conveyor according to claim 1 is characterized in that: An inspection opening (12) is provided on the side wall of the casing (1).

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