High-temperature radiation arched boiler for reciprocating grate

By setting up recovery components and drive components in a high-temperature radiation arch boiler with reciprocating grate, the heat of flue gas is used to heat the water flow and increase the contact area, which solves the problem of flue gas heat loss and realizes the efficient recovery and reuse of heat energy.

CN223448363UActive Publication Date: 2025-10-17HARBIN DONGTAI ENVIRONMENTAL PROTECTION BOILER CO LTD
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Patent Information

Application Number
CN202422971772.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-10-17
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

The existing high-temperature radiation arch boiler with reciprocating grate loses heat when the flue gas is discharged, resulting in resource waste and environmental problems.

Method used

By setting up recovery components and drive components, the exhaust pipe is used to conduct the heat of the flue gas, the pressure pump injects water for heating, and the flue gas is used to push the fan blades to drive the spray pipe to rotate, increasing the contact area between the water flow and the flue gas to achieve heat recovery.

Benefits of technology

It improves the efficiency of thermal energy utilization, reduces heat loss, and realizes the recycling of resources.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-temperature radiation arched boiler for a reciprocating grate, and relates to the technical field of industrial boilers. The boiler comprises a boiler body, a reciprocating fire grate is installed in the boiler body, and the top of the boiler body is communicated with a feeding pipe. A recovery assembly is arranged at the top of the furnace body and comprises a smoke exhaust pipe, and the smoke exhaust pipe communicates with the top of the furnace body. Through the arrangement of the recovery assembly, smoke can be guided through the smoke exhaust pipe when the furnace body exhausts smoke, heat can be conducted to the smoke exhaust pipe when the smoke enters the furnace body, meanwhile, water flow is injected into the drainage shell through the pressure pump, the water flow is exhausted to the surface of the smoke exhaust pipe through the drainage shell, and the water flow is heated through the heat of the smoke; meanwhile, when the smoke is exhausted into the smoke outlet pipe, the fan blades can be pushed to rotate by the flowing smoke, the spraying pipe is driven to rotate by the driving force of the fan blades, the contact area of water flow and the smoke exhaust pipe is increased, and the utilization efficiency of heat energy can be further improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to industrial boiler technical field, especially, relate to a reciprocating grate high-temperature radiation arch boiler. BACKGROUND

[0002] Reciprocating grate high-temperature radiation arch boiler is a kind of high-efficiency heat energy equipment widely used in coal-fired boiler, especially suitable for large-scale heat energy conversion of industrial production process.This kind of boiler combines reciprocating grate and high-temperature radiation arch design, can effectively improve thermal efficiency and reduce pollutant emission, the boiler is widely used in electric power, metallurgy, chemical industry and other industries, is suitable for large-scale heat energy supply.Its advantages are efficient heat energy conversion and lower pollutant emission, is one of important development directions of modern coal-fired boiler technology.

[0003] At present, reciprocating grate high-temperature radiation arch boiler will have a large amount of flue gas during combustion, usually uses dust fall and desulfurization equipment to carry out purification treatment, but there is still a lot of heat in flue gas, direct filtration treatment can cause heat loss, is not conducive to environmental protection and resource recycling, for this purpose, we provide a reciprocating grate high-temperature radiation arch boiler to solve the problems in the above. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a reciprocating grate high-temperature radiation arch boiler, through the cooperation of recovery assembly and drive assembly, solve the problem of lacking flue gas heat energy utilization function in reciprocating grate high-temperature radiation arch boiler in the prior art, direct filtration treatment can cause heat loss.

[0005] To solve the above technical problems, the utility model is realized by the following technical schemes.

[0006] The utility model is a reciprocating grate high-temperature radiation arch boiler, including furnace body, reciprocating grate is installed in the furnace body, the top of furnace body is connected with feeding pipe;The top of furnace body is provided with recovery assembly, the recovery assembly includes smoke exhaust pipe, the smoke exhaust pipe is connected at the top of furnace body, the surface of smoke exhaust pipe is fixedly connected with support shell, one side of support shell is provided with pressure pump, the top of support shell is connected with water storage shell, the water storage shell is movably connected with drain casing inside, the bottom of drain casing is connected with sprinkling pipe;The top of furnace body is provided with drive assembly, the drive assembly includes smoke outlet pipe, the smoke outlet pipe is connected at the top of smoke exhaust pipe, the inside of smoke outlet pipe is movably connected with movable shaft, the surface of movable shaft is fixedly connected with fan blade.

[0007] The utility model is further provided with, one end of movable shaft penetrates to the inside of support shell and is fixedly connected with first bevel gear, the surface of drain casing is fixedly connected with second bevel gear, first bevel gear and second bevel gear are engaged.

[0008] The utility model further sets up, movable axle surface is equipped with support frame, support frame one end with the inner wall fixed connection of smoke pipe.

[0009] The utility model further sets up, the water tank is connected in the bottom of the pressurizing pump, the bottom of water tank is fixedly connected with furnace body.

[0010] The utility model further sets up, the water outlet of pressurizing pump top is connected with water delivery pipe, the other end of water delivery pipe is connected with water storage shell.

[0011] The utility model further sets up, the water tank top is connected with water outlet pipe, the other end of water outlet pipe is connected with support shell, and the surface of water outlet pipe is equipped with valve.

[0012] The utility model further sets up, the surface of smoke pipe is connected with the inner wall of drainage shell through bearing, temperature sensor is installed in support shell.

[0013] The utility model further sets up, the one side of support shell is connected with exhaust pipe, and the surface of exhaust pipe is equipped with electromagnetic valve.

[0014] The utility model has the advantages that through the setting of recovery component, when the furnace body discharges flue gas, the flue gas is guided by the smoke pipe, the heat is conducted to the smoke pipe when the flue gas enters, the water flow is injected into the drainage shell by the pressurizing pump, the water flow is discharged to the surface of smoke pipe by the drainage shell, the water flow is heated by the heat of flue gas, and when the flue gas is discharged into the smoke pipe, the flowing flue gas can drive the fan blade to rotate, the spraying pipe is rotated by the driving force of fan blade, the contact area of water flow and smoke pipe is increased, and the utilization efficiency of heat energy can be further improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to make the technical scheme of the embodiments of the utility model clearer, the following will briefly introduce the drawings needed to be used in the embodiment description.

[0016] Figure 1 It is a kind of reciprocating grate high-temperature radiation arch-shaped boiler stereogram.

[0017] Figure 2 It is a kind of reciprocating grate high-temperature radiation arch-shaped boiler in the local sectional view of furnace body.

[0018] Figure 3 It is a kind of reciprocating grate high-temperature radiation arch-shaped boiler in the sectional view of support shell.

[0019] Figure 4 It is a kind of reciprocating grate high-temperature radiation arch-shaped boiler in the sectional view of smoke pipe, water storage shell and smoke pipe.

[0020] Figure 5 It is a partial sectional view of the water storage shell and the water drainage shell in the high-temperature radiation arched boiler for reciprocating grate.

[0021] In the drawing: 1, furnace body; 2, reciprocating grate; 3, feeding pipe; 4, smoke exhaust pipe; 5, supporting shell; 6, pressurizing pump; 7, water storage shell; 8, water drainage shell; 9, spraying pipe; 10, smoke outlet pipe; 11, movable shaft; 12, fan blade; 13, first bevel gear; 14, second bevel gear; 15, supporting frame; 16, water tank; 17, water delivery pipe; 18, water outlet pipe; 19, temperature sensor; 20, exhaust pipe. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. The described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0023] Embodiment one

[0024] Please refer to Figures 1-5 The present application is a high-temperature radiation arched boiler for reciprocating grate, which comprises a furnace body 1, a reciprocating grate 2 installed inside the furnace body 1, a feeding pipe 3 communicated with the top of the furnace body 1, a recovery assembly arranged on the top of the furnace body 1, the recovery assembly comprising a smoke exhaust pipe 4 communicated with the top of the furnace body 1, a supporting shell 5 fixedly connected to the surface of the smoke exhaust pipe 4, a pressurizing pump 6 arranged on one side of the supporting shell 5, a water storage shell 7 communicated with the top of the supporting shell 5, a water drainage shell 8 movably connected inside the water storage shell 7, and a spraying pipe 9 communicated with the bottom of the water drainage shell 8; a driving assembly arranged on the top of the furnace body 1, the driving assembly comprising a smoke outlet pipe 10 communicated with the top end of the smoke exhaust pipe 4, a movable shaft 11 movably connected inside the smoke outlet pipe 10, and a fan blade 12 fixedly connected to the surface of the movable shaft 11.

[0025] Specifically, the smoke exhaust pipe 4 is made of metal material, which can quickly conduct heat when the flue gas enters the smoke exhaust pipe 4; the supporting shell 5 is installed on the surface of the smoke exhaust pipe 4 and is designed to be sealed, which can store water flow when the water flows downward; the pressurizing pump 6 can pump the water in the water tank 16 into the water delivery pipe 17 after pressurizing, so that the water flow in the water storage shell 7 maintains a certain pressure; the spraying pipe 9 is communicated with the bottom of the water drainage shell 8 and is designed to be inclined, and the number of the spraying pipes 9 is ten, which can generate a reaction force when the water flow is discharged through the spraying pipes 9, thereby helping the fan blade 12 to rotate the water drainage shell 8.

[0026] Embodiment two

[0027] Please refer to Figures 1-5On the basis of embodiment one, one end of the movable shaft 11 penetrates into the inside of the support shell 5 and is fixedly connected with the first bevel gear 13, the surface of the drain shell 8 is fixedly connected with the second bevel gear 14, the first bevel gear 13 is engaged with the second bevel gear 14, the surface of the movable shaft 11 is sleeved with the support frame 15, one end of the support frame 15 is fixedly connected with the inner wall of the smoke outlet pipe 10, the bottom of the pressurizing pump 6 is communicated with the water tank 16, the bottom of the water tank 16 is fixedly connected with the furnace body 1, the top outlet of the pressurizing pump 6 is communicated with the water delivery pipe 17, the other end of the water delivery pipe 17 is communicated with the water storage shell 7, the top of the water tank 16 is communicated with the water outlet pipe 18, the other end of the water outlet pipe 18 is communicated with the support shell 5, the surface of the water outlet pipe 18 is sleeved with a valve, the surface of the smoke exhaust pipe 4 is movably connected with the inner wall of the drain shell 8 through a bearing, the inside of the support shell 5 is provided with a temperature sensor 19, one side of the support shell 5 is communicated with an exhaust pipe 20, and the surface of the exhaust pipe 20 is sleeved with an electromagnetic valve.

[0028] Specifically, the first bevel gear 13 is engaged with the second bevel gear 14, can drive the movable shaft 11, the support frame 15 is used for supporting the movable shaft 11, improves the stability of the fan blade 12 rotation, the water tank 16 is used for storing water flow, the water outlet pipe 18 is communicated between the support shell 5 and the water tank 16, can discharge the heated water flow into the water tank 16, facilitates the staff to use, the temperature sensor 19 can detect the water temperature in the support shell 5, and the exhaust pipe 20 can exhaust the steam generated by heating.

[0029] The working principle of the utility model is that when the furnace body 1 discharges flue gas, the flue gas is guided by the smoke exhaust pipe 4, and the heat of the flue gas is conducted to the smoke exhaust pipe 4 when the flue gas enters, then the external controller starts the pressurizing pump 6, the pressurizing pump 6 injects the water flow in the water tank 16 into the drain shell 8 through the water delivery pipe 17, the water flow is discharged to the surface of the smoke exhaust pipe 4 through the drain shell 8, and the water flow is heated by the heat of the flue gas.

[0030] Meanwhile, when the flue gas is discharged into the smoke outlet pipe 10, the flowing flue gas can drive the fan blade 12 to rotate, the driving force of the fan blade 12 drives the movable shaft 11 to rotate, the movable shaft 11 drives the second bevel gear 14 to rotate in cooperation with the first bevel gear 13, the second bevel gear 14 drives the spray pipe 9 to rotate in cooperation with the drain shell 8, the contact area of the water flow and the smoke exhaust pipe 4 is increased, the spray pipe 9 is communicated at the bottom of the drain shell 8 and is designed to be inclined, when the water flow is discharged through the spray pipe 9, the reaction force can be generated, the fan blade 12 drives the drain shell 8 to rotate, and the utilization efficiency of heat energy can be further improved.

[0031] The standard parts used in the utility model can be purchased from the market, and can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the control mode is automatically controlled through a control unit, the control circuit of the control unit can be realized through simple programming of the technical personnel in the field, and the control mode and the circuit connection are not explained in detail in the utility model, which belongs to the public knowledge in the field.

[0032] The preferred embodiments of the utility model disclosed above are only used for helping to describe the utility model, the preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation mode, the description selects and specifically describes these embodiments, in order to better explain the principle and practical application of the utility model, so that the technical personnel in the technical field can well understand and utilize the utility model.

Claims

1. A high-temperature radiation arch boiler for reciprocating grate, comprising a furnace body (1), characterized in that: A reciprocating grate (2) is installed inside the furnace body (1), and a feed pipe (3) is connected to the top of the furnace body (1); A recovery assembly is provided on the top of the furnace body (1), and the recovery assembly includes a smoke exhaust pipe (4), the smoke exhaust pipe (4) is connected to the top of the furnace body (1), a support shell (5) is fixedly connected to the surface of the smoke exhaust pipe (4), a pressure pump (6) is provided on one side of the support shell (5), the top of the support shell (5) is connected to a water storage shell (7), the interior of the water storage shell (7) is movably connected to a drainage shell (8), and the bottom of the drainage shell (8) is connected to a spray pipe (9); A driving assembly is provided on the top of the furnace body (1), and the driving assembly includes a smoke outlet pipe (10). The smoke outlet pipe (10) is connected to the top of the smoke exhaust pipe (4). A movable shaft (11) is movably connected inside the smoke outlet pipe (10), and a fan blade (12) is fixedly connected to the surface of the movable shaft (11).

2. The high-temperature radiation arch boiler for reciprocating grate according to claim 1, characterized in that: One end of the movable shaft (11) passes through the interior of the support shell (5) and is fixedly connected to a first bevel gear (13); a second bevel gear (14) is fixedly connected to the surface of the drainage shell (8); the first bevel gear (13) and the second bevel gear (14) are meshed.

3. The high-temperature radiation arch boiler for reciprocating grate according to claim 1, characterized in that: A support frame (15) is sleeved on the surface of the movable shaft (11), and one end of the support frame (15) is fixedly connected to the inner wall of the smoke outlet pipe (10).

4. The high-temperature radiation arch boiler for reciprocating grate according to claim 1, characterized in that: The bottom of the pressure pump (6) is connected to a water tank (16), and the bottom of the water tank (16) is fixedly connected to the furnace body (1).

5. The high-temperature radiation arch boiler for reciprocating grate according to claim 1, characterized in that: The water outlet at the top of the pressure pump (6) is connected to a water delivery pipe (17), and the other end of the water delivery pipe (17) is connected to the water storage shell (7).

6. The high-temperature radiation arch boiler for reciprocating grate according to claim 4, characterized in that: The top of the water tank (16) is connected to a water outlet pipe (18), the other end of the water outlet pipe (18) is connected to the support shell (5), and a valve is sleeved on the surface of the water outlet pipe (18).

7. The high-temperature radiation arch boiler for reciprocating grate according to claim 1, characterized in that: The surface of the smoke exhaust pipe (4) is movably connected to the inner wall of the drainage shell (8) via a bearing, and a temperature sensor (19) is installed inside the support shell (5).

8. The high-temperature radiation arch boiler for reciprocating grate according to claim 1, characterized in that: One side of the support shell (5) is connected to an exhaust pipe (20), and a solenoid valve is sleeved on the surface of the exhaust pipe (20).