Slag spraying prevention slag cooler

Abstract

The utility model relates to the technical field of boiler slag coolers, and discloses a slag spraying prevention slag cooler which comprises a slag cooler body, a slag outlet is formed in the tail end of the slag cooler body, a cold water pipe fitting is arranged in the slag cooler body, and a water inlet pipe and a water outlet pipe which communicate with the cold water pipe fitting are arranged at the two ends of the slag cooler body correspondingly. A slag inlet pipe is arranged at the top of the slag cooler body, a conveying pipe connected with a boiler slag discharging opening is arranged above the slag inlet pipe, and a gate valve is connected between the conveying pipe and the slag inlet pipe. The cold water pipe fitting comprises a plurality of water passing pipes parallel to the radial direction of the slag cooler body, a flow dividing pipe connected with the water passing pipes and the water inlet pipe and a flow gathering pipe connected with the water passing pipes and the water inlet pipe, the water passing pipes are vertically distributed into a plurality of layers along the section of the slag cooler body, and the multiple layers of water passing pipes close to the slag inlet pipe are obliquely arranged; and a V-shaped arrangement is formed. The slag cooler has the effect of improving the use safety of the slag cooler.

Description

Technical Field

[0001] This application relates to the field of boiler slag cooler technology, and in particular to a slag cooler that prevents slag blowout. Background Technology

[0002] In modern industrial production and energy supply, boilers, as crucial energy conversion equipment, are widely used in various industries such as power, chemical, and metallurgy. During the combustion of fuels like coal, boilers inevitably produce waste residues such as slag and ash. If these waste residues accumulate inside the boiler, they can severely impact its normal operation, such as hindering complete combustion, reducing thermal efficiency, and even causing equipment failure and shortening the boiler's lifespan. Therefore, timely cleaning of boiler waste residues is essential for ensuring stable boiler operation and extending its service life.

[0003] Boiler slag coolers, specifically designed for processing boiler slag, are typically installed at the bottom of the boiler. Slag is introduced into the cooler via a conveying pipe. During operation, the slag is first cooled, then discharged using a vibration device. However, current boiler slag coolers suffer from a serious problem: during the conveying process, slag is ejected from the cooler's inlet, with temperatures exceeding 850°C. This poses a significant threat to the safety of on-site personnel, as contact with the hot slag can result in severe burns. Furthermore, the ejected hot slag can damage surrounding equipment, disrupting normal operation, increasing maintenance costs and downtime, and ultimately reducing the overall efficiency of the production system. Utility Model Content

[0004] To improve the safety of slag coolers, this application provides a slag cooler that prevents slag spraying.

[0005] The technical solution for the anti-blowing slag cooler provided in this application is as follows:

[0006] A slag cooler with anti-spraying capability includes a cooler body, a slag outlet at the end of the cooler body, a cold water pipe fitting inside the cooler body, an inlet pipe and an outlet pipe at both ends of the cooler body respectively, and a slag inlet pipe at the top of the cooler body. A conveying pipe connected to the boiler slag discharge port is located above the slag inlet pipe, and a gate valve is connected between the conveying pipe and the slag inlet pipe. The cold water pipe fitting includes several water pipes arranged radially parallel to the cooler body, a branch pipe connecting the several water pipes and the inlet pipe, and a converging pipe connecting the several water pipes and the inlet pipe. The several water pipes are arranged vertically in several layers along the cross-section of the cooler body, wherein the multiple layers of water pipes near the slag inlet pipe are arranged at an angle, forming a V-shaped arrangement.

[0007] By adopting the above technical solution, high-temperature slag is conveyed from the boiler slag discharge port to the slag inlet pipe via a conveying pipe and smoothly enters the slag cooler body. The slag inside the slag cooler comes into contact with the internal cooling water pipes. The cooling water flowing through these pipes rapidly absorbs the heat from the slag, significantly reducing its temperature. In particular, the V-shaped arrangement of the upper multi-layered water pipes in the cooling water pipes creates a more open space in the vertical direction, effectively reducing slag blockage during descent and thus significantly lowering the risk of slag spraying from the slag cooler, improving its safety and stability. Finally, the cooled slag is discharged from the slag outlet and enters subsequent processing systems, such as slag crushing, screening, storage, or transportation.

[0008] Optionally, multiple layers of water pipes are horizontally arranged and staggered near the bottom of the slag cooler body.

[0009] By adopting the above technical solution, the multi-layer water pipes near the bottom of the slag cooler are horizontally arranged and staggered, which effectively increases the contact area between the waste residue and the cold water, thereby improving the cooling uniformity of the waste residue inside the slag cooler, avoiding the occurrence of local overheating, and improving the cooling effect of the slag cooler on the waste residue.

[0010] Optionally, a throttling orifice plate is provided at the end of the delivery pipe near the slide valve.

[0011] By adopting the above technical solution, the orifice plate can effectively slow down the speed at which waste slag enters the slag cooler, preventing waste slag from being ejected from the slag inlet pipe due to excessive speed. Specifically, the orifice plate can regulate the airflow and waste slag flow rate in the conveying pipe, reducing the impact force of high-speed airflow on the slag inlet pipe, thereby significantly reducing the risk of waste slag ejection, ensuring the safety of on-site operators, and protecting surrounding equipment from damage by high-temperature slag blocks.

[0012] Optionally, the water inlet pipe is located on the side near the slag outlet, and the slag inlet pipe is located on the side near the water outlet pipe.

[0013] By adopting the above technical solution, the water inlet pipe is located near the slag outlet, allowing cold water to first enter the rear part of the slag cooler body. This ensures that newly entering waste slag is initially cooled before contacting hot water, effectively avoiding the risk of equipment damage caused by high-temperature slag directly impacting the water inlet pipe. The slag inlet pipe is located near the water outlet pipe, allowing the waste slag to first enter the front of the slag cooler body, where it is gradually cooled before flowing backward to the slag outlet for discharge. This further improves the cooling efficiency of the waste slag and reduces safety hazards caused by excessively high temperatures. This counter-current design ensures that the cooling water remains at a low temperature when in contact with the slag, significantly improving the cooling effect.

[0014] Optionally, a balance support is provided at the bottom of the slag cooler body, and a vibration device is provided between the balance support and the slag cooler body. The vibration device includes a vibration motor provided on the side wall of the balance support and several elastic transmission components connecting the balance support and the slag cooler body. When the vibration motor drives the balance support to shake, the several elastic transmission components drive the waste slag inside the slag cooler body to shake, so that the waste slag inside the slag cooler body moves radially toward the slag outlet along the slag cooler body.

[0015] By adopting the above technical solution, the vibration device can effectively improve the slag discharge efficiency of the slag cooler, ensuring that waste slag is smoothly discharged from the slag cooler body. Specifically, when the vibration motor drives the balance support to shake, the elastic transmission component causes the waste slag inside the slag cooler body to shake, thereby preventing waste slag from accumulating or clogging inside the cylinder and significantly improving the flowability of the waste slag. In addition, this design can also reduce the mechanical stress caused by waste slag accumulation in the slag cooler to a certain extent, extending the service life of the equipment.

[0016] Optionally, the elastic transmission component includes an inclined support block disposed on the balance support, a drive plate connected to the balance support and the slag cooler body, and a vibration spring disposed between the drive plate and the inclined support block. The drive plate is hinged to both the balance support and the slag cooler body, and the hinge point between the drive plate and the balance support is located on the side of the inclined support block near the slag outlet. When the vibration spring is in its natural state, the inclined surfaces of the drive plate and the inclined support block are parallel.

[0017] By adopting the above technical solution, the vibration spring and the inclined support block can generate an effective lateral vibration force when the vibration motor starts, which promotes the waste slag in the slag cooler body to be more evenly distributed on the water pipes of each layer, thereby improving the cooling efficiency and reducing the possibility of waste slag blockage.

[0018] Optionally, the balance support includes a base and a support seat arranged in parallel, the support seat being located above the base, and a vertically arranged balance spring abutting between the base and the support seat, wherein a plurality of balance springs are evenly distributed between the base and the support seat.

[0019] By adopting the above technical solution, the balance springs between the base and the support can respond quickly and buffer when the slag cooler body is subjected to impact or vibration, thereby maintaining the stability of the entire equipment. In addition, multiple evenly distributed balance springs ensure the balanced transmission of force, avoiding structural damage caused by excessive local force, and improving the overall durability and reliability of the equipment.

[0020] Optionally, a handcart for collecting cold slag is provided on one side of the cold slag machine body, and the receiving port of the handcart is located below the slag outlet.

[0021] By adopting the above technical solution, the material receiving port of the handcart is located below the slag discharge port, allowing the waste slag to fall directly into the handcart, effectively preventing it from scattering on the ground and avoiding environmental pollution and safety hazards. At the same time, this design improves the efficiency of waste slag collection, simplifies the operation process, reduces the time and labor intensity of manual handling, and further enhances overall work efficiency.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. High-temperature slag is conveyed from the boiler slag discharge port through the conveying pipe to the slag inlet pipe and smoothly enters the slag cooler body. Inside the slag cooler, the slag comes into contact with the internal cooling water pipes. The cooling water flowing through these pipes rapidly absorbs the heat from the slag, significantly reducing its temperature. In particular, the V-shaped arrangement of the upper multi-layered water pipes in the cooling water pipes creates a more open space vertically, effectively reducing slag blockage during descent and thus significantly lowering the risk of slag spraying from the slag cooler, improving its safety and stability. Finally, the cooled slag is discharged from the slag outlet and enters subsequent processing systems, such as slag crushing, screening, storage, or transportation.

[0024] 2. The multi-layered water pipes near the bottom of the slag cooler are horizontally arranged and staggered, which effectively increases the contact area between the waste residue and the cold water, thereby improving the cooling uniformity of the waste residue inside the slag cooler, avoiding local overheating, and improving the cooling effect of the slag cooler on the waste residue.

[0025] 3. The orifice plate effectively slows down the speed at which waste slag enters the slag cooler, preventing it from being ejected from the inlet pipe due to excessive speed. Specifically, the orifice plate regulates the airflow and waste slag flow rate within the conveying pipe, reducing the impact of high-speed airflow on the inlet pipe, thereby significantly reducing the risk of waste slag ejection, ensuring the safety of on-site operators, and protecting surrounding equipment from damage by high-temperature slag. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application.

[0027] Figure 2 This is a cross-sectional view showing the internal structure of the slag cooler body in the embodiments of this application.

[0028] Figure 3 This is a cross-sectional view showing the distribution of several water pipes inside the slag cooler body in an embodiment of this application.

[0029] Explanation of reference numerals in the attached figures:

[0030] 1. Slag cooler body; 11. Slag inlet pipe; 12. Slag outlet; 13. Water inlet pipe; 14. Water outlet pipe; 2. Balance support; 21. Base; 22. Support seat; 3. Vibration device; 31. Vibration motor; 32. Elastic transmission component; 321. Inclined support block; 322. Drive plate; 323. Vibration spring; 4. Cold water fittings; 41. Water pipe; 42. Diverter pipe; 43. Converging pipe; 5. Handcart; 6. Balance spring; 7. Conveying pipe; 8. Slide valve; 9. Throttling orifice plate. Detailed Implementation

[0031] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.

[0032] This application discloses an anti-spraying slag cooler.

[0033] Reference Figure 1 and Figure 2 A slag cooler with anti-spraying capability includes a cooler body 1, which is a cylindrical device with a balance support 2 at its bottom. A vibration device 3 is installed between the balance support 2 and the cooler body 1. A slag inlet pipe 11 is fixedly installed at the top of one end of the cooler body 1, and a slag outlet 12 is installed at the other end. A cooling water pipe fitting 4 is installed inside the cooler body 1. A water inlet pipe 13 and a water outlet pipe 14, which are connected to the cooling water pipe fitting 4, are fixedly installed at both ends of the cooler body 1, respectively. The water inlet pipe 13 is located on the side near the slag outlet 12, and the slag inlet pipe 11 is located on the side near the water outlet pipe 14. A handcart 5 is also installed on one side of the cooler body 1, and the material receiving port of the handcart 5 is located below the slag outlet 12.

[0034] Reference Figure 1 and Figure 2 High-temperature slag enters the slag cooler body 1 through the slag inlet pipe 11. Inside the slag cooler body 1, the slag comes into contact with the internal cooling water pipes 4. The cooling water flowing through the cooling water pipes 4 rapidly absorbs the heat from the slag, significantly reducing its temperature. Finally, the cooled slag, driven by the vibration device 3, is discharged through the slag outlet 12 into the handcart 5 for subsequent processing.

[0035] Reference Figure 1 The balance support 2 includes a base 21 and a support 22 arranged in parallel. The support 22 is located above the base 21, and a number of vertically arranged balance springs 6 are fixed between the two. The balance springs 6 are evenly distributed on the opposite surfaces of the base 21 and the support 22.

[0036] Reference Figure 1In this embodiment, the vibration device 3 includes a vibration motor 31 and several elastic transmission components 32. The vibration motor 31 is mounted on the side of the balance support 2 and is connected to a power source via wires. The several elastic transmission components 32 are evenly distributed along both sides of the radial direction of the slag cooler body 1.

[0037] Reference Figure 1 Each elastic transmission component 32 includes an inclined support block 321, a drive plate 322, and a vibration spring 323. The inclined support block 321 is fixed to the balance support 2 at a certain angle to facilitate the transmission of vibration energy. One end of the drive plate 322 is hinged to the balance support 2, and the other end is hinged to the outer wall of the slag cooler body 1. The hinge point between the drive plate 322 and the balance support 2 is located on the side of the inclined support block 321 near the slag outlet 12. The vibration spring 323 is fixedly clamped between the two. When the vibration spring 323 is in its natural state, the drive plate 322 is parallel to the inclined surface of the inclined support block 321.

[0038] Reference Figure 1 When the vibration motor 31 starts, the balance support 2 begins to shake, and the drive plate 322 swings accordingly, compressing the vibration spring 323 and generating elastic force to push the waste slag in the body 1 of the slag cooler forward.

[0039] Reference Figure 1 and Figure 2 Above the slag inlet pipe 11, there is a conveying pipe 7 connected to the boiler slag discharge port. A slide valve 8 is installed between the conveying pipe 7 and the slag inlet pipe 11, and a throttling orifice plate 9 is covered at the end of the conveying pipe 7 near the slide valve 8. The throttling orifice plate 9 is fixedly installed inside the conveying pipe 7.

[0040] Reference Figure 2 and Figure 3 The cold water pipe fitting 4 includes several water pipes 41, branch pipes 42, and convergent pipes 43. The water pipes 41 are arranged radially parallel to the slag cooler body 1 and are distributed vertically in several layers along the cross-section of the slag cooler body 1. In this embodiment, five layers are used as an example. The top three layers of water pipes 41 near the slag inlet pipe 11 are arranged at a 30° angle to form a V-shaped channel, increasing the space for slag to fall. The two layers of water pipes 41 near the bottom of the slag cooler body 1 are arranged horizontally and are staggered. The branch pipes 42 are fixedly connected to the inlet ends of the water pipes 41 and extend to the bottom of the slag cooler body 1 through the inlet pipe 13. The convergent pipes 43 are fixedly connected to the outlet ends of the water pipes 41 and extend to the bottom of the slag cooler body 1 through the outlet pipe 14.

[0041] The implementation principle of the anti-slag-blowing slag cooler according to an embodiment of this application is as follows: High-temperature slag is transferred from the boiler slag discharge port to the slag inlet pipe 11 via the conveying pipe 7, and smoothly enters the slag cooler body 1 after being throttled by the orifice plate 9. The slag entering the slag cooler body 1 comes into contact with the internal water pipe 41, and the cooling water flowing in the water pipe 41 can quickly absorb the heat in the slag, so that the slag temperature is significantly reduced.

[0042] Because the upper three layers of water pipes 41 inside the slag cooler body 1 are arranged in a V-shape and the lower two layers are horizontal and staggered, the slag cooler body 1 forms a more open space in the vertical direction, which effectively reduces the blockage of waste slag during the descent process, thereby greatly reducing the risk of slag spraying from the slag cooler.

[0043] When the vibratory motor 31 starts, the balance support 2 begins to sway, and the drive plate 322 swings accordingly, compressing the vibratory spring 323 and generating elastic force to push the waste slag inside the slag cooler body 1 towards the slag outlet 12. Since the flow direction of the cooling water is opposite to the conveying direction of the slag, this ensures that the cooling water remains at a lower temperature when in contact with the slag, thus improving cooling efficiency.

[0044] Finally, the cooled slag is discharged from the slag outlet 12 into the handcart 5 under the drive of the vibration motor 31, for subsequent centralized processing.

[0045] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A blowout preventer slag granulator, characterized in that The utility model relates to a cold slag machine, including the cold slag machine body (1), the end of cold slag machine body (1) is provided with the slag outlet (12), be provided with the cold water pipe spare (4) in the cold slag machine body (1), the both ends of cold slag machine body (1) are provided with the water inlet pipe (13) and the water outlet pipe (14) of the communication cold water pipe spare (4) respectively, the top of cold slag machine body (1) is provided with the residue inlet pipe (11), the top of residue inlet pipe (11) is provided with the delivery pipe (7) of connecting boiler residue outlet, and the delivery pipe (7) is connected with the plug valve (8) between residue inlet pipe (11), the cold water pipe spare (4) includes a plurality of water pipes (41) that are arranged radially to the cold slag machine body (1), the shunt pipe (42) that is connected a plurality of water pipes (41) with water inlet pipe (13) and the convergent pipe (43) that is connected a plurality of water pipes (41) with water inlet pipe (13), a plurality of water pipes (41) are vertically distributed in a plurality of layers along the section of the cold slag machine body (1), wherein the multiple layers of water pipes (41) close to the residue inlet pipe (11) are arranged obliquely, forming V-shaped arrangement.

2. A jet-protection slag cooler according to claim 1, characterized in that The multiple layers of water pipes (41) close to the bottom of the cold slag machine body (1) are horizontally arranged and staggered.

3. A jet-protection slag cooler according to claim 1, characterized in that The end close to the plug valve (8) in the delivery pipe (7) is provided with a throttle orifice plate (9).

4. A jet-protection slag cooler according to claim 1, characterized in that The water inlet pipe (13) is arranged on one side close to the slag outlet (12), and the residue inlet pipe (11) is arranged on one side close to the water outlet pipe (14).

5. A jet-protection slag cooler according to claim 1, characterized in that The bottom of the cold slag machine body (1) is provided with a balance support (2), a vibration device (3) is arranged between the balance support (2) and the cold slag machine body (1), the vibration device (3) comprises a vibration motor (31) arranged on the side wall of the balance support (2) and a plurality of elastic transmission members (32) connecting the balance support (2) and the cold slag machine body (1), when the vibration motor (31) drives the balance support (2) to shake, the plurality of elastic transmission members (32) drive the waste slag in the cold slag machine body (1) to shake, so that the waste slag in the cold slag machine body (1) moves radially along the cold slag machine body (1) towards the slag outlet (12).

6. A jet-protection slag cooler according to claim 5, characterized in that The elastic transmission member (32) comprises an inclined support block (321) arranged on the balance support (2), a driving plate (322) connected between the balance support (2) and the cold slag machine body (1), and a vibration spring (323) arranged between the driving plate (322) and the inclined support block (321), the driving plate (322) is hingedly arranged with the balance support (2) and the cold slag machine body (1), and the hinge point of the driving plate (322) and the balance support (2) is located on one side of the inclined support block (321) close to the slag outlet (12), when the vibration spring (323) is in a natural state, the inclined surface of the driving plate (322) and the inclined support block (321) is arranged in parallel.

7. A jet-protection slag-cooling machine according to claim 5, characterized in that The balance support (2) comprises a base (21) and a supporting seat (22) arranged in parallel, the supporting seat (22) is located above the base (21), and a vertical balance spring (6) is abutted between the base (21) and the supporting seat (22), and the balance spring (6) is uniformly distributed between the base (21) and the supporting seat (22).

8. A jet-protection slag cooler according to claim 1, characterized in that One side of the slag cooler body (1) is provided with a trolley (5) for collecting the slag, and the receiving port of the trolley (5) is located below the slag outlet (12).

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