A vertical waste heat boiler with a boiler shell

Abstract

This utility model relates to the field of vertical waste heat boiler technology and discloses a shell-type vertical waste heat boiler, including a vertical waste heat boiler body. A waste heat utilization mechanism is installed inside the boiler body. A gantry frame is fixedly connected to the top of the boiler body, and a filter box is installed on the top of the gantry frame. A filter mechanism is installed inside the filter box. This shell-type vertical waste heat boiler, through the waste heat utilization mechanism, designs diversion and transmission structures on both sides of the main flue gas pipe during operation. This allows high-temperature gas to be transported through the main pipe and the diversion pipes on both sides, increasing the contact area between the high-temperature gas and the heat-conducting medium inside the boiler body. This improves the heat transfer efficiency of the equipment, significantly enhances waste heat recovery efficiency, effectively reduces energy waste, lowers the enterprise's dependence on traditional energy sources, and significantly reduces production costs.

Description

Technical Field

[0001] This utility model relates to the field of vertical waste heat boiler technology, and in particular to a vertical waste heat boiler with a boiler shell. Background Technology

[0002] In industrial production sectors such as metallurgy, chemicals, and building materials, large amounts of high-temperature flue gas are generated during production. Directly releasing the waste heat carried by this flue gas not only results in a huge waste of energy but also exacerbates the environmental burden. Vertical waste heat boilers, as important equipment for recovering waste heat from high-temperature flue gas, can convert the heat in the flue gas into usable steam or hot water, achieving secondary energy utilization.

[0003] However, existing vertical waste heat boilers still have significant room for improvement in heat exchange efficiency. In traditional waste heat boilers, high-temperature flue gas typically enters the boiler through a single main duct. This design limits the contact area between the flue gas and the external heat transfer medium, resulting in a large amount of heat not being fully transferred before being discharged with the flue gas, leading to low heat exchange efficiency and insufficient waste heat recovery. With the continuous expansion of industrial production scale and increasingly stringent requirements for energy conservation and emission reduction, traditional waste heat boilers can no longer meet the demands for efficient waste heat recovery and reduced energy costs. Therefore, a vertical waste heat boiler with a shell has been proposed. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] The purpose of this invention is to provide a shell-type vertical waste heat boiler to solve the problems mentioned in the background art. However, existing shell-type vertical waste heat boilers still have considerable room for improvement in heat exchange efficiency. In traditional waste heat boilers, high-temperature flue gas usually enters the boiler through a single main pipe. This design limits the contact area between the flue gas and the external heat transfer medium, resulting in a large amount of heat not being fully transferred before being discharged with the flue gas, leading to low heat exchange efficiency and insufficient waste heat recovery.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a vertical waste heat boiler with a boiler shell, comprising a vertical waste heat boiler body, a waste heat utilization mechanism disposed inside the vertical waste heat boiler body, a gantry frame fixedly connected to the top of the vertical waste heat boiler body, a filter box installed on the top of the gantry frame, a filtration mechanism disposed inside the filter box, the waste heat utilization mechanism including a main flue gas duct disposed inside the vertical waste heat boiler body, branch pipes connected to both sides of the main flue gas duct, and a flue gas inlet pipe disposed at the bottom of the main flue gas duct; the filtration mechanism including an activated carbon layer disposed inside the filter box, a filter screen disposed at the bottom of the activated carbon layer, a PLC controller installed on one side of the filter box, a flow meter electrically connected to one side of the PLC controller via a power cord, and an alarm light electrically connected to the other side of the PLC controller via a power cord.

[0008] As a further embodiment of this utility model, the filter box has two sliding grooves inside, and the activated carbon layer and the filter screen are slidably connected inside the sliding grooves. The filter screen serves to filter impurities.

[0009] As a further embodiment of this utility model, the top of the filter box is provided with an exhaust port, and the flow meter is installed on the surface of the exhaust port. The exhaust port serves to discharge gas.

[0010] As a further embodiment of this utility model, both sides of the surface of the activated carbon layer and the filter screen are equipped with limiting plates via rotating shafts, and limiting blocks are inserted into the surface of the limiting plates. The limiting blocks serve to limit the position of the limiting plates.

[0011] As a further embodiment of this utility model, the lower surface of the vertical waste heat boiler body is provided with a heat transfer medium circulation inlet, and the upper surface of the vertical waste heat boiler body is provided with a heat transfer medium circulation outlet. The heat transfer medium circulation inlet serves to transport the heat transfer medium.

[0012] As a further embodiment of this utility model, the bottom of the vertical waste heat boiler body is threadedly connected to a base, and the surface of the base is threadedly connected to several threaded posts, which serve to fix the base.

[0013] As a further embodiment of this utility model, four omnidirectional wheels are installed at the bottom of the base, and brake pads are installed inside the omnidirectional wheels. The brake pads serve a braking function.

[0014] (III) Beneficial Effects

[0015] This utility model provides a vertical waste heat boiler with a boiler shell, which has the following beneficial effects:

[0016] 1. This vertical waste heat boiler, through the setting of the waste heat utilization mechanism, designs the two sides of the main flue gas pipeline with a diversion and transmission structure, so that high-temperature gas can be transported through the main pipeline and the diversion pipes on both sides. This increases the contact area between the high-temperature gas and the heat-conducting medium inside the vertical waste heat boiler body, thereby improving the heat conduction efficiency of the equipment, significantly improving the waste heat recovery efficiency, effectively reducing energy waste, reducing the enterprise's dependence on traditional energy, and greatly reducing production costs.

[0017] 2. This vertical waste heat boiler features a filtration system. During operation, a filter box is installed at the bottom of the exhaust port. The filter screen and activated carbon layer within the box filter the exhaust gas. A flow meter installed on the exhaust port surface monitors the flow rate. If the flow rate is too low, a signal is transmitted to a PLC controller on one side. The PLC controller then activates an alarm light, promptly reminding staff to replace and clean the filter screen and activated carbon layer, preventing clogging and ensuring normal operation of the equipment. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the filter mechanism structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the waste heat utilization mechanism of this utility model;

[0021] Figure 4 This is a schematic diagram of the main structure of the vertical waste heat boiler of this utility model.

[0022] In the diagram: 1. Main body of vertical waste heat boiler; 2. Waste heat utilization mechanism; 201. Main flue gas pipeline; 202. Diversion pipe; 203. Flue gas inlet pipe; 3. Gantry frame; 4. Filter box; 5. Filtering mechanism; 501. Activated carbon layer; 502. Filter screen; 503. PLC controller; 504. Flow meter; 505. Alarm light; 6. Exhaust port; 7. Limit plate; 8. Limit block; 9. Heat transfer medium circulation inlet; 10. Heat transfer medium circulation outlet; 11. Base; 12. Threaded column; 13. Casters. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0024] Please see Figures 1 to 4 This utility model provides a technical solution: a vertical waste heat boiler with a boiler shell, including a vertical waste heat boiler body 1. The vertical waste heat boiler body 1 is equipped with a waste heat utilization mechanism 2. By setting up the waste heat utilization mechanism 2, the heat conduction efficiency of the equipment is improved, the waste heat recovery efficiency is significantly improved, energy waste is effectively reduced, the enterprise's dependence on traditional energy is reduced, and production costs are greatly reduced. A gantry frame 3 is fixedly connected to the top of the vertical waste heat boiler body 1. A filter box 4 is installed on the top of the gantry frame 3. A filter mechanism 5 is set up inside the filter box 4. By setting up the filter mechanism 5, the staff is promptly reminded to replace and clean the filter screen 502 and the activated carbon layer 501, so as to avoid the filter screen 502 and the activated carbon layer 501 from being blocked and affecting the normal use of the equipment.

[0025] The waste heat utilization mechanism 2 includes a flue gas main pipe 201 installed inside the vertical waste heat boiler body 1. Both sides of the flue gas main pipe 201 are connected to a diversion pipe 202, and a flue gas inlet pipe 203 is installed at the bottom of the flue gas main pipe 201.

[0026] The filtration mechanism 5 includes an activated carbon layer 501 disposed inside the filter box 4, a filter screen 502 disposed at the bottom of the activated carbon layer 501, a PLC controller 503 installed on one side of the filter box 4, a flow meter 504 electrically connected to one side of the PLC controller 503 via a power cord, and an alarm light 505 electrically connected to the other side of the PLC controller 503 via a power cord.

[0027] The filter box 4 has two sliding grooves inside, and the activated carbon layer 501 and the filter screen 502 are slidably connected inside the sliding grooves. The filter screen 502 plays a role in filtering impurities.

[0028] The top of the filter box 4 is provided with an exhaust port 6, and the flow meter 504 is installed on the surface of the exhaust port 6. The exhaust port 6 is designed to discharge gas.

[0029] Both sides of the activated carbon layer 501 and the filter screen 502 are equipped with limiting plates 7 via rotating shafts. Limiting blocks 8 are inserted into the surface of the limiting plates 7. The limiting blocks 8 limit the limiting plates 7.

[0030] The lower surface of the vertical waste heat boiler body 1 is provided with a heat transfer medium circulation inlet 9, and the upper surface of the vertical waste heat boiler body 1 is provided with a heat transfer medium circulation outlet 10. The heat transfer medium circulation inlet 9 is used to transport the heat transfer medium.

[0031] The bottom of the vertical waste heat boiler body 1 is threadedly connected to a base 11, and the surface of the base 11 is threadedly connected to several threaded posts 12. The threaded posts 12 serve to fix the base 11.

[0032] Four casters 13 are installed at the bottom of the base 11. Brake pads are installed inside the casters 13, which serve as brakes.

[0033] In this invention, the working steps of the device are as follows:

[0034] First step: When in use, the two sides of the main flue gas pipe 201 are designed with a diversion and transmission structure, so that high-temperature gas can be transported through the main pipe and the diversion pipes 202 on both sides, thereby increasing the contact area between the high-temperature gas and the heat-conducting medium inside the main body 1 of the vertical waste heat boiler.

[0035] The second step: When in use, a filter box 4 is installed at the bottom of the exhaust port 6. The filter screen 502 and activated carbon layer 501 in the filter box 4 are used to filter the exhaust gas. The flow meter 504 installed on the surface of the exhaust port 6 is used to check the flow rate of the exhaust port 6. If the flow rate is too low, the signal is transmitted to the PLC controller 503 on one side, and the PLC controller 503 controls the alarm light 505 to sound an alarm.

[0036] It should be noted that the device structure and accompanying drawings of this utility model mainly describe the principle of this utility model. In terms of the technical aspects of this design principle, the setting of the power mechanism, power supply system and control system of the device is not fully described. However, under the premise that those skilled in the art understand the principle of the above utility model, the specific details of its power mechanism, power supply system and control system can be clearly understood. The control method in the application document is automatic control through a controller. The control circuit of the controller can be implemented by those skilled in the art through simple programming.

[0037] All standard parts used can be purchased from the market, and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The machinery, parts and equipment adopt conventional models in the existing technology, and the structure and principle of the components known to those skilled in the art can be known by those skilled in the art through technical manuals or conventional experimental methods.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A shell-and-tube waste heat boiler comprising a vertical waste heat boiler body (1), characterized in that: The vertical waste heat boiler body (1) is equipped with a waste heat utilization mechanism (2) inside. A gantry frame (3) is fixedly connected to the top of the vertical waste heat boiler body (1). A filter box (4) is installed on the top of the gantry frame (3). A filter mechanism (5) is installed inside the filter box (4). The waste heat utilization mechanism (2) includes a flue gas main pipe (201) installed inside the vertical waste heat boiler body (1), and a diversion pipe (202) is connected to both sides of the flue gas main pipe (201). A flue gas inlet pipe (203) is installed at the bottom of the flue gas main pipe (201). The filtration mechanism (5) includes an activated carbon layer (501) disposed inside the filter box (4), a filter screen (502) disposed at the bottom of the activated carbon layer (501), a PLC controller (503) installed on one side of the filter box (4), a flow meter (504) electrically connected to one side of the PLC controller (503) via a power cord, and an alarm light (505) electrically connected to the other side of the PLC controller (503) via a power cord.

2. A drum type waste heat boiler according to claim 1, characterized in that: The filter box (4) has two sliding grooves inside, and the activated carbon layer (501) and the filter screen (502) are slidably connected inside the sliding grooves.

3. A vertical waste heat boiler with a boiler shell according to claim 1, characterized in that: The filter box (4) has an exhaust port (6) on its top, and the flow meter (504) is installed on the surface of the exhaust port (6).

4. A drum type waste heat boiler according to claim 1, characterized in that: Both sides of the activated carbon layer (501) and the filter screen (502) are fitted with limiting plates (7) via rotating shafts, and limiting blocks (8) are inserted into the surface of the limiting plates (7).

5. A drum type waste heat boiler according to claim 1, characterized in that: The lower surface of the vertical waste heat boiler body (1) is provided with a heat transfer medium circulation inlet (9), and the upper surface of the vertical waste heat boiler body (1) is provided with a heat transfer medium circulation outlet (10).

6. A drum type waste heat boiler according to claim 1, characterized in that: The bottom of the vertical waste heat boiler body (1) is threadedly connected to a base (11), and the surface of the base (11) is threadedly connected to several threaded columns (12).

7. A drum type waste heat boiler according to claim 6, characterized in that: The base (11) is equipped with four casters (13) at its bottom, and brake pads are installed inside the casters (13).

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