Slag guide pipe dredging device of slag cooler
By installing flanges and unblocking components at the bends of the slag guide pipe, the problem of easy blockage in the slag guide pipe is solved, achieving efficient and safe unblocking results and ensuring the normal operation of the boiler.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-04-03
AI Technical Summary
The existing slag guide pipe of the cold slag machine is prone to blockage, and the unblocking work is dangerous and inefficient, especially when the boiler cannot be loaded during low-temperature coking.
An opening is set below the bend in the slag guide pipe and a flange is welded on it. A dredging assembly is then provided, including a baffle, a chisel, and a ball joint. The baffle is fixed by the flange and the angle of the chisel is adjusted by the ball joint to dredge the pipe, preventing coke from falling and improving dredging efficiency and safety.
It improves the efficiency and safety of slag guide pipe dredging, reduces dead spots in dredging, prevents workers from being scalded, and ensures the normal operation of the boiler.
Smart Images
Figure CN224080189U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of dredging technology for slag guide pipes of slag coolers, and in particular to a dredging device for slag guide pipes of slag coolers. Background Technology
[0002] Currently, domestic fluidized bed boilers, due to their unique fluidization process, employ two ash discharge methods: side ash discharge and bottom ash discharge. When the quality of the coal entering the furnace changes significantly, resulting in a lower ash melting point, low-temperature coking easily occurs on the bed surface. Under the influence of the fluidizing air, the coke lumps gradually move towards the ash discharge port. When they fall into the ash guide pipe of the ash cooler, they easily cause blockages. Typically, an 8-meter-long iron rod is needed to clear the blockage to the bottom, which presents disadvantages such as high risk and low processing efficiency. In severe cases, the boiler cannot operate at full load. Utility Model Content
[0003] The purpose of this invention is to solve the problems of high risk and low efficiency in the existing dredging work, and to propose a dredging device for the slag guide pipe of a cold slag machine.
[0004] To achieve the above objectives, the present invention adopts the following technical solution:
[0005] A slag guide pipe unblocking device for a slag cooler includes an opening below the bend of the slag guide pipe and an unblocking component for unblocking the slag guide pipe through the opening. A flange is welded below the bend of the slag guide pipe and corresponds to the opening. A cover plate is inserted into the flange from below.
[0006] The unblocking assembly includes a baffle plate installed on the flange surface and a chisel that passes through the baffle plate to unblock the slag guide pipe.
[0007] In some embodiments, a universal ball rolls in the middle of the baffle, and the universal ball has a through hole in the middle for inserting a drill rod.
[0008] In some embodiments, the baffle is provided with a groove in the middle of the guide pipe that is recessed inside. The groove is a trapezoid that contracts in the direction of the guide pipe, and the omnidirectional ball rolls at the bottom of the groove.
[0009] In some embodiments, the bottom of the groove has notches on the side facing the upper and lower ends of the guide pipe, respectively.
[0010] In some embodiments, a positioning plate is fixed on the upper surface of the baffle, and a positioning groove is formed on the lower surface of the baffle.
[0011] In some embodiments, the baffle is fixed to the flange surface by a clamping assembly. There are two sets of clamping assemblies, which are symmetrically arranged on both sides of the baffle. The clamping assembly includes a screw that rotates on the surface of the baffle and a clamping block that is threaded to the surface of the screw.
[0012] Compared with the prior art, the present invention provides a slag guide pipe unblocking device for a slag cooler, which has the following beneficial effects.
[0013] 1. This utility model, by cutting an opening on the surface of the slag guide pipe and welding a flange, facilitates the dredging process from the middle of the slag guide pipe, improves the dredging efficiency, and the opening can be sealed by the cover plate to prevent the opening from affecting the normal use of the slag guide pipe.
[0014] 2. This utility model, by setting up a dredging component, can prevent the coke blocks with residual heat inside the slag guide pipe from falling from the opening under the action of the baffle, thus preventing burns to the workers and improving safety during dredging. The universal ball can reduce dead angles when the drill rod is used to dredge the slag guide pipe.
[0015] Other advantages, objectives and features of this invention will be set forth in part in the description which follows; and in part will be apparent to those skilled in the art upon examination of the following description; or may be taught from practice of this invention. Attached Figure Description
[0016] Figure 1 This is a front view structural diagram of the present invention.
[0017] Figure 2 This is a schematic diagram of the opening structure in this utility model.
[0018] Figure 3 This is a schematic diagram of the positive axial structure of the unblocking component in this utility model.
[0019] Figure 4 This is a schematic diagram of the rear axial structure of the unblocking component in this utility model.
[0020] Figure 5 This is a top view of the unblocking component in this utility model.
[0021] Figure 6 This is a schematic diagram of the unblocking component after installation in this utility model.
[0022] Figure 7 This is a schematic diagram of the upward unblocking component in this utility model.
[0023] Figure 8 This is a schematic diagram of the downward unblocking structure of the unblocking component in this utility model.
[0024] In the picture:
[0025] 1. Slag guide pipe; 101. Slag discharge pipe in the furnace; 102. Cooling slag machine cylinder; 2. Opening; 3. Flange; 301. Cover plate; 302. Fastening bolt; 4. Unblocking assembly; 401. Baffle; 402. Drill rod; 403. Universal ball; 4031. Notch; 404. Positioning plate; 405. Positioning groove; 406. Clamping assembly; 4061. Screw; 4062. Clamping block. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0027] Reference Figure 1-8 A slag guide pipe unblocking device for a slag cooler includes an opening 2 below the bend of the slag guide pipe 1 and an unblocking component 4 for unblocking the slag guide pipe 1 through the opening 2. The upper end of the slag guide pipe 1 is connected to the lower end of the furnace slag lower pipe 101, and the lower end of the slag guide pipe 1 is connected to the cylinder 102 of the slag cooler. A flange 3 is welded below the bend of the slag guide pipe 1 and corresponds to the opening 2. Both the flange 3 and the opening 2 are square. A cover plate 301 is inserted into the flange 3 from below, and the cover plate 301 is fixed inside the flange 3 by fastening bolts 302.
[0028] Understandably, when the slag guide pipe 1 is blocked, the cover plate 301 is pulled down to expose the opening 2. The unblocking component 4 is inserted into the slag guide pipe 1 to perform unblocking work. By performing unblocking work in the middle part of the slag guide pipe 1, the unblocking efficiency can be improved. Under the action of the cover plate 301 and the fastening bolt 302, it is easy to close the opening 2.
[0029] Specifically, the unblocking component 4 includes a baffle 401 installed on the surface of the flange 3 and a chisel 402 that passes through the baffle 401 to unblock the slag guide pipe 1. The baffle 401 is square and is fixed to the surface of the flange 3 by a clamping component 406. A universal ball 403 rolls in the middle of the baffle 401, and a through hole for inserting the chisel 402 is opened in the middle of the universal ball 403.
[0030] Understandably, by fixing the baffle 401 to the surface of the flange 3 using the clamping assembly 406, it is possible to prevent the coke blocks with residual heat from falling from the opening 2 and causing burns to the workers when using the chisel 402 to unclog the slag guide pipe 1. By setting the universal ball 403 and the through hole, the chisel 402 can be inserted into the slag guide pipe 1 through the through hole for unclogging. Under the action of the universal ball 403, the chisel 402 can move at multiple angles on the surface of the baffle 401, thereby adjusting the unclogging angle of the chisel 402 and improving the unclogging effect.
[0031] Specifically, the baffle 401 has a recessed groove in the middle of the guide pipe 1. The groove is a trapezoid that shrinks in the direction of the guide pipe 1. The universal ball 403 rolls at the bottom of the groove. A fixing ring for wrapping the universal ball 403 is fixed at the bottom of the groove. The fixing ring passes through the bottom of the groove. Notches 4031 are opened on the side of the fixing ring facing the upper and lower ends of the guide pipe 1, respectively.
[0032] Understandably, because the rotation angle of the universal ball 403 is limited after the drill rod 402 is inserted into its surface, dead angles are easily created when the drill rod 402 is clearing the upper and lower ends of the slag guide pipe 1, resulting in excessive coke residue inside the slag guide pipe 1. Therefore, by setting a groove in the middle of the baffle 401, the universal ball 403 is allowed to penetrate deeper into the slag guide pipe 1. At the same time, under the action of multiple notches 4031, the drill rod 402 is avoided when clearing upwards or downwards, so that the drill rod 402 can obtain a larger orientation angle and reduce dead angles when clearing the slag guide pipe 1.
[0033] Specifically, a positioning plate 404 is fixed on the upper surface of the baffle 401, and a positioning groove 405 is provided on the lower surface of the baffle 401; there are two sets of clamping assemblies 406, which are symmetrically arranged on both sides of the baffle 401. The clamping assembly 406 includes a screw 4061 that rotates on the surface of the baffle 401 and a clamping block 4062 that is threadedly connected to the surface of the screw 4061. The clamping block 4062 is U-shaped and slides on the side of the baffle 401.
[0034] Understandably, when installing the baffle 401, the positioning groove 405 is aligned with the fastening bolts 302 on the surface of the flange 3 to position the left and right sides of the baffle 401. By setting the positioning plate 404, the positioning plate 404 overlaps the upper surface of the flange 3 to position the up and down sides of the baffle 401. The screw 4061 drives the clamping block 4062 to slide on the side of the baffle 401, so that the end of the clamping block 4062 away from the screw 4061 clamps the flange 3, thereby fastening the baffle 401 to the surface of the flange 3 and facilitating the unblocking of the slag guide pipe 1.
[0035] In this invention, an opening 2 is cut into the surface of the existing slag guide pipe 1 and a flange 3 is welded on it to facilitate the unblocking process from the middle of the slag guide pipe 1, improving unblocking efficiency. The opening 2 is closed by a cover plate 301 and fastening bolts 302, allowing the slag guide pipe 1 to smoothly transport coke blocks into the slag cooler. When the slag guide pipe 1 is blocked, the fastening bolts 302 loosen the cover plate 301, pulling the cover plate 301 downwards to expose the opening 2. A baffle 401 is then inserted into the surface of the flange 3 from above, and positioned by a positioning plate 404 and a positioning groove 405. The baffle 401 is fixed to the surface of the flange 3 by clamping assembly 406. Then, the chisel 402 is inserted into the slag guide pipe 1 through the through hole on the surface of the universal ball 403. First, the lower end of the slag guide pipe 1 is cleared. The chisel 402 is pulled repeatedly to crush the coke block blocking the slag guide pipe 1 and let it fall into the cold slag machine cylinder 102. After the lower end of the slag guide pipe 1 is cleared, the upper end of the slag guide pipe 1 is cleared. Under the action of baffle 401, the coke block with residual heat in the slag guide pipe 1 can be prevented from falling from the opening 2, which would cause burns to the staff and improve the safety during clearing.
[0036] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
[0037] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples; although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.
Claims
1. A slag channeling device for a slag cooler, characterized in that The utility model provides a slag guide pipe dredging device, including the opening (2) of setting in the bending position below of slag guide pipe (1) and the dredging component (4) of dredging to slag guide pipe (1) through opening (2), the flange (3) is welded below the bending position of slag guide pipe (1) and corresponds with opening (2), and the inside of flange (3) is inserted with cover plate (301) from below, The dredging component (4) includes a baffle (401) mounted on the surface of the flange (3) and a drill rod (402) that passes through the baffle (401) to dredge the slag guide pipe (1).
2. A slag channel clearing device for a slag tap hole of a slag tap according to claim 1, wherein The baffle (401) has a universal ball (403) rolling in the middle part, and the universal ball (403) has a through hole in the middle part for inserting the drill rod (402).
3. A de-vanning device for a de-vanning tube of a slag cooler according to claim 2, characterized in that The baffle (401) has a recess in the middle part that is recessed into the interior of the slag guide pipe (1), the recess is a trapezoidal shape that narrows towards the slag guide pipe (1), and the universal ball (403) rolls on the bottom of the recess.
4. A de-volcano device for a slag tap hole of a slag tap according to claim 3, wherein The bottom of the recess has a notch (4031) on one side towards the upper end and the lower end of the slag guide pipe (1).
5. The slag guide pipe unblocking device for a slag cooler according to claim 1, characterized in that, The upper surface of the baffle (401) is fixed with a positioning plate (404), and the lower surface of the baffle (401) has a positioning groove (405).
6. The slag guide pipe unblocking device for a slag cooler according to claim 1, characterized in that, The baffle (401) is fixed on the surface of the flange (3) through a clamping assembly (406), the clamping assembly (406) has two groups and is symmetrically arranged on both sides of the baffle (401), and the clamping assembly (406) includes a screw rod (4061) rotating on the surface of the baffle (401) and a clamping block (4062) threadedly connected on the surface of the screw rod (4061).