Non-coalification mixed fuel combined heat and power generation environment-friendly boiler
By generating steam inside the boiler and outside the furnace body and utilizing a water spray ring and water circulation system, the problems of energy waste and slow steam generation speed in existing technologies are solved, achieving efficient steam power generation.
Patent Information
- Application Number
- CN202422946627.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-12-02
AI Technical Summary
Existing cogeneration boilers waste energy by generating steam through heating coils, resulting in high costs and slow steam generation, which affects power generation efficiency.
Steam is generated by using heat from the outside of the boiler body, and the steam generation rate is increased by using a water spray ring and a water circulation system. Combined with steam heating coils and steam power generation equipment, efficient steam power generation is achieved.
It improves energy utilization, reduces energy loss, increases steam generation rate and power generation efficiency, and lowers operating costs.
Smart Images

Figure CN223512077U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of environmentally friendly boilers for non-coal mixed fuel cogeneration, specifically a non-coal mixed fuel cogeneration environmentally friendly boiler. Background Technology
[0002] Non-coal blended fuel cogeneration environmental protection boilers refer to environmental protection boilers that both produce electricity and use steam generated by steam turbine generators to supply heat to users. Non-coal blended fuels refer to energy sources that do not contain coal or have a low proportion of coal and are composed of a mixture of various types of fuels. The emergence of such fuels aims to reduce dependence on traditional fossil fuels, reduce environmental pollution, and promote the diversity and sustainability of energy use.
[0003] However, current cogeneration boilers on the market rely entirely on the coils of the furnace arms for steam generation. To ensure the steam generates power, it needs to be electrically heated again, resulting in significant energy waste and high operating costs. Furthermore, heating the coils before steam generation requires a long preheating time, which is detrimental to steam generation speed and affects power generation efficiency. Therefore, those skilled in the art have proposed a non-coal mixed-fuel cogeneration environmentally friendly boiler to address the problems mentioned in the background section. Utility Model Content
[0004] The purpose of this invention is to provide an environmentally friendly cogeneration boiler using non-coal mixed fuels to solve the problems mentioned in the background section.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A non-coal mixed-fuel cogeneration environmentally friendly boiler includes an outer boiler body, an inner boiler body, an exhaust stack, a steam outlet pipe, a steam heating coil, a steam output pipe, a steam power generation device, and a condensate circulation pipe. The inner boiler body is located inside the outer boiler body. The exhaust stack is located on the upper side of the inner boiler body. The steam outlet pipe is located on the upper side of the outer boiler body. The steam heating coil is located at the upper end of the inner boiler body. The steam output pipe is located at the upper end of the outer boiler body. The steam power generation device is located at one end of the steam output pipe. The condensate circulation pipe is located at the lower end of the steam output pipe. A heat exchange mesh frame is installed inside the outer boiler body and outside the inner boiler body. A water spray ring is installed at the upper end of the outer side of the inner boiler body. A water supply component is installed at the upper end of one side of the outer boiler body. A water circulation pipe is installed at the lower end of one side of the outer boiler body.
[0007] As a further embodiment of this utility model: the water filling component includes a water tank, a water outlet pipe is provided at the lower end of one side of the water tank, a fixing frame is provided at the upper end of one side of the water tank, a water inlet is provided at the upper front end of the water tank, an air pump is installed at the upper rear end of the water tank, a support plate is provided on the other side of the water tank, a water pump is installed on the upper side of the support plate, and a water circulation pipe is provided on the upper side of the water tank.
[0008] As a further embodiment of this utility model: the output end of the water-adding component is connected to the input end of the water spray ring, the lower end of the water spray ring is connected to the interior of the boiler outer furnace body, the lower end of the boiler outer furnace body is connected to the input end of the water circulation pipe, and the output end of the water circulation pipe is connected to the input end of the water-adding component.
[0009] As a further embodiment of this utility model: the upper end of the boiler outer furnace body is connected to the input end of the steam outlet pipe, the output end of the steam outlet pipe is connected to the input end of the steam heating coil, the output end of the steam heating coil is connected to the input end of the steam outlet pipe, the output end of the steam power generation device is connected to the input end of the steam power generation device, the output end of the steam power generation device is connected to the input end of the condensate circulation pipe, and the output end of the condensate circulation pipe is connected to the lower end of the boiler outer furnace body.
[0010] As a further embodiment of this utility model: one side of the fixing frame is fixed to one side of the boiler's outer furnace body, the output end of the air pump is connected to the input end of the water tank, the output end of the water tank is connected to the input end of the water outlet pipe, and the output end of the water outlet pipe is connected to the input end of the water spray ring.
[0011] As a further embodiment of this utility model: the output end of the water circulation pipe is connected to the input end of the water pump, the output end of the water pump is connected to the input end of the water circulation pipe, and the output end of the water circulation pipe is connected to the input end of the water tank.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. This utility model discloses an environmentally friendly cogeneration boiler using non-coal mixed fuels. Steam is generated by the heat from the outside of the boiler body, and the steam is reheated by a steam heating coil, which improves the completeness of energy utilization, reduces energy loss costs, and improves the environmental friendliness of the boiler by using non-coal mixed fuels for heating.
[0014] 2. Water is circulated and sprayed onto the outside of the heat exchange mesh frame through the water spray ring, water supply components and water circulation pipe. The water evaporates through the heat exchange mesh frame, which increases the steam generation rate and improves the power generation efficiency of the steam power generation equipment. Attached Figure Description
[0015] Figure 1 A schematic diagram of a non-coal mixed fuel cogeneration environmentally friendly boiler;
[0016] Figure 2 A perspective view of an environmentally friendly cogeneration boiler using non-coal mixed fuels;
[0017] Figure 3 This is a schematic diagram of the water supply component in a non-coal mixed fuel cogeneration environmentally friendly boiler.
[0018] In the diagram: 1. Boiler outer furnace body; 2. Boiler inner furnace body; 3. Exhaust flue; 4. Steam outlet pipe; 5. Steam heating coil; 6. Steam output pipe; 7. Steam power generation equipment; 8. Condensate circulation pipe; 9. Heat exchange mesh frame; 10. Spray ring; 11. Water supply component; 12. Water circulation pipe; 13. Water tank; 14. Water outlet pipe; 15. Water inlet; 16. Fixing frame; 17. Air pump; 18. Support plate; 19. Water pump; 20. Water circulation outlet pipe. Detailed Implementation
[0019] Please see Figures 1-3In this embodiment of the present invention, a non-coal mixed fuel cogeneration environmentally friendly boiler includes an outer boiler body 1, an inner boiler body 2, an exhaust flue 3, a steam outlet pipe 4, a steam heating coil 5, a steam output pipe 6, a steam power generation device 7, and a condensate circulation pipe 8. The inner boiler body 2 is located inside the outer boiler body 1, the exhaust flue 3 is located on the upper side of the inner boiler body 2, the steam outlet pipe 4 is located on the upper side of the outer boiler body 1, the steam heating coil 5 is located at the upper end of the inner boiler body 2, the steam output pipe 6 is located at the upper end of the outer boiler body 1, the steam power generation device 7 is located at one end of the steam output pipe 6, and the condensate circulation pipe 8 is located at the upper end of the outer boiler body 1. At the lower end of the steam output pipe 6, a heat exchange mesh frame 9 is installed inside the boiler outer furnace body 1 and outside the boiler inner furnace body 2. A water spray ring 10 is installed at the upper end of the outer side of the boiler inner furnace body 2. A water supply component 11 is installed at the upper end of one side of the boiler outer furnace body 1. A water circulation pipe 12 is installed at the lower end of one side of the boiler outer furnace body 1. The output end of the water supply component 11 is connected to the input end of the water spray ring 10. The lower end of the water spray ring 10 is connected to the interior of the boiler outer furnace body 1. The lower end of the boiler outer furnace body 1 is connected to the input end of the water circulation pipe 12. The output end of the water circulation pipe 12 is connected to the input end of the water supply component 11. The upper end of the boiler outer furnace body 1 is connected to the steam output pipe 4. The inlet and outlet of the steam outlet pipe 4 are connected to the inlet of the steam heating coil 5, the outlet of the steam heating coil 5 is connected to the inlet of the steam outlet pipe 6, the outlet of the steam power generation device 7 is connected to the inlet of the steam power generation device 7, the outlet of the steam power generation device 7 is connected to the inlet of the condensate circulation pipe 8, and the outlet of the condensate circulation pipe 8 is connected to the lower end of the boiler outer furnace body 1. First, a non-coal mixed fuel cogeneration environmental protection boiler is placed in the usage position, and clean water is added to the inside of the water supply component 11. Then, the non-coal mixed fuel is introduced into the inside of the boiler inner furnace body 2 for combustion. The heat exchange mesh frame 9 displaces the heat outside the boiler inner furnace body 2 and the water tank... The internal air filling of component 13 compresses the clean water inside the water filling component 11, and the clean water is introduced into the interior of the water spray ring 10. The water spray ring 10 sprays the water liquid onto the outside of the heat exchange mesh frame 9, the water liquid evaporates, and the steam is introduced into the interior of the steam heating coil 5 through the steam outlet pipe 4. The boiler inner furnace body 2 heats the steam heating coil 5 and heats the steam inside the steam heating coil 5. The heated steam enters the interior of the steam power generation equipment 7 through the steam outlet pipe 6. The steam power generation equipment 7 performs power generation operation. The condensed steam circulates back to the interior of the boiler outer furnace body 1 through the condensate circulation pipe 8. The water filling component 11 operates to draw water liquid from the interior of the boiler outer furnace body 1 through the water circulation pipe 12, and the water liquid circulates back to the interior of the water filling component 11.
[0020] exist Figure 2 , 3In the middle section: the water supply component 11 includes a water tank 13, with a water outlet pipe 14 located at the lower end of one side of the water tank 13, a fixing frame 16 located at the upper end of one side of the water tank 13, a water inlet 15 located at the upper front end of the water tank 13, an air pump 17 installed at the upper rear end of the water tank 13, a support plate 18 located on the other side of the water tank 13, a water pump 19 installed on the upper side of the support plate 18, and a water circulation pipe 20 located on the upper side of the water tank 13. One side of the fixing frame 16 is fixed to one side of the boiler outer furnace body 1. The output end of the air pump 17 is connected to the input end of the water tank 13, the output end of the water tank 13 is connected to the input end of the water outlet pipe 14, the output end of the water outlet pipe 14 is connected to the input end of the water spray ring 10, and the water circulation pipe 10 is connected to the water outlet pipe 19. The output end of 2 is connected to the input end of water pump 19, the output end of water pump 19 is connected to the input end of water circulation pipe 20, and the output end of water circulation pipe 20 is connected to the input end of water tank 13. Clean water is added into the interior of water tank 13 through water inlet 15. Non-coal mixed fuel is introduced into the interior of boiler furnace 2 for combustion. Heat exchange mesh frame 9 displaces the heat outside of boiler furnace 2. Air pump 17 operates to fill the interior of water tank 13 with air. The gas compresses the clean water inside water tank 13. The clean water is introduced into the interior of spray ring 10 through water outlet pipe 14. Spray ring 10 sprays water onto the outside of heat exchange mesh frame 9. Water pump 19 operates to draw water from the interior of boiler furnace 1 through water circulation pipe 12. The water is returned to the interior of water tank 13 through water circulation pipe 20.
[0021] The working principle of this utility model is as follows: First, a non-coal mixed fuel cogeneration environmentally friendly boiler is placed at the usage location. Clean water is added to the inside of the water tank 13 through the water inlet 15. Then, the non-coal mixed fuel is introduced into the boiler's furnace body 2 for combustion. The heat exchange mesh frame 9 displaces the heat from the outside of the boiler's furnace body 2. The air pump 17 operates to fill the inside of the water tank 13 with air. The air compresses the clean water inside the water tank 13, and the clean water is introduced into the inside of the water spray ring 10 through the water outlet pipe 14. The water spray ring 10 sprays the water onto the outside of the heat exchange mesh frame 9. The liquid evaporates, and the steam is introduced into the steam heating coil 5 through the steam outlet pipe 4. The boiler body 2 heats the steam heating coil 5 and the steam inside the steam heating coil 5. The heated steam enters the steam power generation equipment 7 through the steam outlet pipe 6. The steam power generation equipment 7 performs power generation operation. The condensed steam is circulated back into the boiler body 1 through the condensate circulation pipe 8. The water pump 19 operates to draw water from the boiler body 1 through the water circulation pipe 12. The water is circulated back into the water tank 13 through the water outlet pipe 20.
[0022] 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.
Claims
1. A non-coal mixed fuel cogeneration environmentally friendly boiler, comprising an outer boiler body (1), an inner boiler body (2), an exhaust flue (3), a steam outlet pipe (4), a steam heating coil (5), a steam output pipe (6), a steam power generation device (7), and a condensate circulation pipe (8), wherein the inner boiler body (2) is located inside the outer boiler body (1), the exhaust flue (3) is located on the upper side of the inner boiler body (2), the steam outlet pipe (4) is located on the upper side of the outer boiler body (1), the steam heating coil (5) is located at the upper end of the inner boiler body (2), the steam output pipe (6) is located at the upper end of the outer boiler body (1), the steam power generation device (7) is located at one end of the steam output pipe (6), and the condensate circulation pipe (8) is located at the lower end of the steam output pipe (6), characterized in that, A heat exchange mesh frame (9) is provided at the outer side of the inner boiler body (2) of the outer boiler body (1). A water spray ring (10) is provided at the upper outer side of the inner boiler body (2). A water supply component (11) is installed at the upper side of one side of the outer boiler body (1). A water circulation pipe (12) is provided at the lower side of one side of the outer boiler body (1).
2. The environmentally friendly cogeneration boiler using non-coal mixed fuels according to claim 1, characterized in that, The water supply component (11) includes a water tank (13), a water outlet pipe (14) is provided at the lower end of one side of the water tank (13), a fixing frame (16) is provided at the upper end of one side of the water tank (13), a water inlet (15) is provided at the upper front end of the water tank (13), an air pump (17) is installed at the upper rear end of the water tank (13), a support plate (18) is provided on the other side of the water tank (13), a water pump (19) is installed on the upper side of the support plate (18), and a water circulation pipe (20) is provided on the upper side of the water tank (13).
3. The environmentally friendly cogeneration boiler using non-coal mixed fuels according to claim 1, characterized in that, The output end of the water supply component (11) is connected to the input end of the water spray ring (10), the lower end of the water spray ring (10) is connected to the interior of the boiler outer furnace body (1), the lower end of the boiler outer furnace body (1) is connected to the input end of the water circulation pipe (12), and the output end of the water circulation pipe (12) is connected to the input end of the water supply component (11).
4. The environmentally friendly cogeneration boiler using non-coal mixed fuels according to claim 1, characterized in that, The upper end of the boiler outer furnace body (1) is connected to the input end of the steam outlet pipe (4), the output end of the steam outlet pipe (4) is connected to the input end of the steam heating coil (5), the output end of the steam heating coil (5) is connected to the input end of the steam outlet pipe (6), the output end of the steam power generation device (7) is connected to the input end of the steam power generation device (7), the output end of the steam power generation device (7) is connected to the input end of the condensate circulation pipe (8), and the output end of the condensate circulation pipe (8) is connected to the lower end of the boiler outer furnace body (1).
5. The environmentally friendly cogeneration boiler using non-coal mixed fuels according to claim 2, characterized in that, One side of the fixing frame (16) is fixed to one side of the boiler outer furnace body (1). The output end of the air pump (17) is connected to the input end of the water tank (13). The output end of the water tank (13) is connected to the input end of the water outlet pipe (14). The output end of the water outlet pipe (14) is connected to the input end of the water spray ring (10).
6. The environmentally friendly cogeneration boiler using non-coal mixed fuels according to claim 2, characterized in that, The output end of the water circulation pipe (12) is connected to the input end of the water pump (19), the output end of the water pump (19) is connected to the input end of the water circulation pipe (20), and the output end of the water circulation pipe (20) is connected to the input end of the water tank (13).