Catalytic device of hydrogenation process for coal electro-catalysis
By integrating hydrogen production and hydrogenation processes into a coal-fired power catalytic converter, the problem of low fuel utilization in coal-fired power equipment has been solved, achieving efficient fuel utilization and low-energy coal-fired power catalytic processes, simplifying the reaction process and reducing maintenance costs.
Patent Information
- Application Number
- CN202510688086.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-27
- Publication Date
- 2025-10-17
AI Technical Summary
Existing coal-fired power equipment suffers from low fuel utilization, high maintenance costs, the need for external hydrogen production units, and cumbersome reaction processes, which hinder the development of power plants.
Design a catalytic device for hydrogenation process in coal-fired power generation. By integrating hydrogen production and hydrogenation processes, hydrogen is produced using the high temperature of the oil and gas outlet pipe, simplifying the reaction process. The delivery of fuel and pulverized coal is controlled by solenoid valves and servo motors, achieving efficient fuel utilization.
It improves fuel utilization, reduces environmental pollution, lowers energy consumption, simplifies the reaction process, and reduces maintenance costs.
Smart Images
Figure CN120795937A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of coal power equipment, in particular to a catalytic device for a hydrogenation process for coal power catalysis. BACKGROUND
[0002] With the development of the economic society, industrial power consumption increases rapidly, and power plants pay more and more attention to fuel utilization rate and energy saving and emission reduction in order to improve benefits, but the coal power equipment of most power plants at present has the problems of poor energy saving and emission reduction effect, the need for external hydrogen production device, complicated reaction process, low fuel utilization rate, high maintenance cost and serious influence on the development of the power plant, therefore, a catalytic device for a hydrogenation process for coal power catalysis is urgently needed to solve the above problems. SUMMARY
[0003] (I) Technical problems solved
[0004] In view of the defects of the prior art, the application provides a catalytic device for a hydrogenation process for coal power catalysis, which has the advantages of high fuel utilization rate, solves the problems of the need for external hydrogen production device, complicated reaction process, low fuel utilization rate, high maintenance cost and serious influence on the development of the power plant.
[0005] (II) Technical scheme
[0006] The technical scheme for solving the above technical problems is as follows: a catalytic device for a hydrogenation process for coal power catalysis, comprising a coal power furnace, a coal powder tank is fixedly installed on the left side wall of the coal power furnace, a mixing pipeline is fixedly installed on the right side wall of the coal power furnace, a hydrogen storage container is arranged at the top of the mixing pipeline, a fuel storage container is arranged at the top of the mixing pipeline, an air compressor is fixedly installed on the right side wall of the mixing pipeline, a spray head is fixedly connected to the end of the mixing pipeline away from the air compressor, an oil gas outlet pipe is fixedly connected to the top of the coal power furnace, a gasification furnace is fixedly connected to the outside of the oil gas outlet pipe, a filter is fixedly installed on the right side wall of the gasification furnace, a heat conduction sheet is fixedly connected to the outside of the oil gas outlet pipe, and a catalyst is arranged on the inner bottom wall of the gasification furnace.
[0007] The application has the following beneficial effects:
[0008] The catalytic device for a hydrogenation process for coal power catalysis can continuously produce hydrogen by using the high temperature of the oil gas outlet pipe, hydrogen production and hydrogenation are integrated together, the system does not need external hydrogen production device, the reaction process is simplified, coal is fully and reasonably utilized, energy consumption is low, environmental pollution is reduced, and the device has the advantage of high fuel utilization rate.
[0009] On the basis of the above technical scheme, the application can also be improved as follows.
[0010] Further, a heater is fixedly installed on the inner side wall of the gasification furnace, and a temperature sensor is fixedly connected to the inner side wall of the gasification furnace.
[0011] The beneficial effect of the above further scheme is that the temperature inside the gasification furnace is monitored by the temperature sensor, and when the temperature is not up to standard, the heater is started to raise the temperature inside the gasification furnace.
[0012] Further, a delivery pump is fixedly installed on the top of the fuel storage container, an input pipe extending into the fuel storage container is fixedly connected to the input end of the delivery pump, and an output pipe extending into the gasification furnace is fixedly connected to the output end of the delivery pump.
[0013] The beneficial effect of the above further scheme is that the fuel in the fuel storage container is delivered by starting the delivery pump.
[0014] Further, a first communication pipe is fixedly connected to the bottom of the fuel storage container, the first communication pipe is fixedly connected to the mixing pipeline at the end away from the fuel storage container, a first electromagnetic valve is fixedly installed on the outside of the first communication pipe, and a first addition pipe is fixedly connected to the top of the fuel storage container.
[0015] The beneficial effect of the above further scheme is that the fuel in the fuel storage container enters the mixing pipeline by opening the first electromagnetic valve.
[0016] Further, the filter is fixedly connected to the hydrogen storage container through a delivery pipe, and a one-way valve is fixedly installed on the outside of the delivery pipe.
[0017] The beneficial effect of the above further scheme is that hydrogen is filtered out by the filter, and hydrogen production can be continuously carried out.
[0018] Further, a second communication pipe is fixedly connected to the bottom of the hydrogen storage container, the second communication pipe is fixedly connected to the mixing pipeline at the end away from the hydrogen storage container, and a second electromagnetic valve is fixedly installed on the outside of the second communication pipe.
[0019] The beneficial effect of the above further scheme is that hydrogen enters the mixing pipeline by opening the second electromagnetic valve.
[0020] Further, a servo motor is fixedly installed on the top of the coal powder tank, a delivery auger is fixedly connected to the output shaft of the servo motor, a discharge pipe is fixedly connected to the bottom of the coal powder tank, the discharge pipe is fixedly connected to the coal-fired furnace at the end away from the coal powder tank, a third electromagnetic valve is fixedly installed on the outside of the discharge pipe, and a second addition pipe is fixedly connected to the top of the coal powder tank.
[0021] The beneficial effect of the further scheme is that the third electromagnetic valve is opened to drive the servo motor to rotate the conveying auger to quantitatively add the coal powder into the coal furnace.
[0022] Further, the bottom of the coal furnace is fixedly connected with a discharge pipe, and the outer portion of the discharge pipe is fixedly installed with a fourth electromagnetic valve.
[0023] The beneficial effect of the further scheme is that the fourth electromagnetic valve is opened to clean the coal coke in the coal furnace.
[0024] Another technical problem to be solved by the present application is to provide a hydrogenation process for coal electrocatalysis, comprising the following steps:
[0025] 1) the first electromagnetic valve and the second electromagnetic valve are opened to make the mixture of alcohol and water and hydrogen enter into the mixing pipeline, and the alcohol and water mixture and hydrogen are sprayed into the coal furnace through the spray head by starting the air compressor;
[0026] 2) the third electromagnetic valve is opened and the servo motor is started to rotate the conveying auger to quantitatively make the coal powder enter into the coal furnace, and the coal powder is catalyzed to burn by the mixture of alcohol and water and hydrogen, so as to generate oil gas and coal coke;
[0027] 3) the oil gas is discharged through the oil gas outlet pipe, and the oil gas outlet pipe is heated to high temperature due to the high temperature of the oil gas in the oil gas outlet pipe, and the alcohol and water mixture is delivered into the gasification furnace by starting the delivery pump, when the temperature of the oil gas outlet pipe rises to above 100℃, the alcohol and water are vaporized, and hydrogen, vaporized water, carbon monoxide gas and other gases are generated under the action of the catalyst;
[0028] 4) the gases enter into the filter through the delivery pipe to be filtered, and the hydrogen passes through the one-way valve to be stored in the hydrogen storage container;
[0029] 5) the fourth electromagnetic valve is opened to discharge the coal coke through the discharge pipe, and the cleaning is performed in a timely manner. BRIEF DESCRIPTION OF DRAWINGS
[0030] Figure 1 is a structural schematic view of the present application;
[0031] Figure 2 is a structural sectional view of the coal powder tank in the present application;
[0032] Figure 3 is a structural sectional view of the gasification furnace in the present application;
[0033] Figure 4 is a structural sectional view of the fuel storage container in the present application;
[0034] Figure 5 is a structural schematic view of the hydrogen storage container in the present application;
[0035] Figure 6 It is an enlarged view of point A in the present invention.
[0036] In the figure: 1. Coal-fired power furnace; 2. Pulverized coal tank; 3. Mixing pipe; 4. Hydrogen storage container; 5. Fuel storage container; 6. Air compressor; 7. Nozzle; 8. Oil and gas outlet pipe; 9. Gasifier; 10. Filter; 11. Heat conducting plate; 12. Catalyst; 13. Heater; 14. Delivery pump; 15. Input pipe; 16. Output pipe; 17. Temperature sensor; 18. First connecting pipe; 19. First solenoid valve; 20. First addition pipe; 21. One-way valve; 22. Second connecting pipe; 23. Second solenoid valve; 24. Servo motor; 25. Delivery auger; 26. Discharge pipe; 27. Third solenoid valve; 28. Second addition pipe; 29. Discharge pipe; 30. Fourth solenoid valve. DETAILED DESCRIPTION
[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0038] In the embodiment, Figures 1-6 A catalytic device for a coal electrocatalytic hydrogenation process is provided. The present invention includes a coal-fired furnace 1. A coal powder tank 2 is fixedly installed on the left wall of the coal-fired furnace 1, a mixing pipe 3 is fixedly installed on the right wall of the coal-fired furnace 1, a hydrogen storage container 4 is provided on the top of the mixing pipe 3, a fuel storage container 5 is provided on the top of the mixing pipe 3, an air compressor 6 is fixedly installed on the right wall of the mixing pipe 3, and a nozzle 7 is fixedly connected to the end of the mixing pipe 3 away from the air compressor 6. The nozzle 7 is located inside the coal-fired furnace 1.
[0039] A first connecting pipe 18 is fixedly connected to the bottom of the fuel storage container 5, and the end of the first connecting pipe 18 away from the fuel storage container 5 is fixedly connected to the mixing pipe 3. A first solenoid valve 19 is fixedly installed on the outside of the first connecting pipe 18. A first adding pipe 20 is fixedly connected to the top of the fuel storage container 5. A second connecting pipe 22 is fixedly connected to the bottom of the hydrogen storage container 4, and the end of the second connecting pipe 22 away from the hydrogen storage container 4 is fixedly connected to the mixing pipe 3. A second solenoid valve 23 is fixedly installed on the outside of the second connecting pipe 22.
[0040] The first solenoid valve 19 is opened to allow the fuel in the fuel storage container 5 to enter the mixing pipe 3, and the second solenoid valve 23 is opened to allow hydrogen to enter the mixing pipe 3. By starting the air compressor 6, the mixture of alcohol and water and hydrogen are sprayed into the coal-fired power furnace 1 through the nozzle 7.
[0041] The top of the coal furnace 1 is fixedly connected with an oil gas outlet pipe 8, the outside of the oil gas outlet pipe 8 is fixedly connected with a gasification furnace 9, a filter 10 is fixedly installed on the right side wall of the gasification furnace 9, the outside of the oil gas outlet pipe 8 is fixedly connected with a heat conduction fin 11, a catalyst 12 is arranged on the inner bottom wall of the gasification furnace 9, a heater 13 is fixedly installed on the inner side wall of the gasification furnace 9, and a temperature sensor 17 is fixedly connected to the inner side wall of the gasification furnace 9. The temperature in the gasification furnace 9 is monitored through the temperature sensor 17, and when the temperature is not up to standard, the heater 13 is started to raise the temperature in the gasification furnace 9.
[0042] A delivery pump 14 is fixedly installed on the top of the fuel storage container 5, the input end of the delivery pump 14 is fixedly connected with an input pipe 15 extending into the fuel storage container 5, the output end of the delivery pump 14 is fixedly connected with an output pipe 16 extending into the gasification furnace 9, the filter 10 is fixedly connected with the hydrogen storage container 4 through a delivery pipe, and a one-way valve 21 is fixedly installed on the outside of the delivery pipe.
[0043] The delivery pump 14 is started to deliver the fuel in the fuel storage container 5, alcohol and water are vaporized, and hydrogen, vaporized water, carbon monoxide gas and other gases are generated under the action of the catalyst 12. The hydrogen is filtered out through the filter 10, and the high temperature of the oil gas outlet pipe 8 is utilized, so that hydrogen production can be continuously carried out. By integrating hydrogen production and hydrogenation together, the system does not need external hydrogen production device, the reaction process is simplified, the utilization of coal is sufficient and reasonable, the energy consumption is low, and the environmental pollution is reduced.
[0044] A servo motor 24 is fixedly installed on the top of the coal powder tank 2, a delivery auger 25 is fixedly connected to the output shaft of the servo motor 24, a discharge pipe 26 is fixedly connected to the bottom of the coal powder tank 2, the end of the discharge pipe 26 away from the coal powder tank 2 is fixedly connected with the coal furnace 1, a third electromagnetic valve 27 is fixedly installed on the outside of the discharge pipe 26, and a second adding pipe 28 is fixedly connected to the top of the coal powder tank 2.
[0045] The third electromagnetic valve 27 is opened to drive the servo motor 24 to rotate the delivery auger 25 to quantitatively add coal powder into the coal furnace 1, oil gas is discharged through the oil gas outlet pipe 8, and the mixture of alcohol and water and hydrogen catalyze the coal powder to burn, so as to generate oil gas and coal coke. The bottom of the coal furnace 1 is fixedly connected with a discharge pipe 29, the outside of the discharge pipe 29 is fixedly installed with a fourth electromagnetic valve 30, and the fourth electromagnetic valve 30 is opened to clean the coal coke in the coal furnace 1 at regular time.
[0046] Working principle:
[0047] The first electromagnetic valve 19 and the second electromagnetic valve 23 are opened, the mixture of alcohol and water and hydrogen enter the mixing pipeline, the mixture of alcohol and water and hydrogen are sprayed into the coal electric furnace 1 through the air compressor 6 and the spray head 7, the third electromagnetic valve 27 is opened and the servo motor 24 is started to drive the conveying screw 25 to rotate, the pulverized coal is quantitatively fed into the coal electric furnace 1, the pulverized coal is catalyzed to burn by the mixture of alcohol and water and hydrogen, so as to generate oil gas and coal coke, the oil gas is discharged through the oil gas outlet pipe 8, because the temperature of the oil gas in the oil gas outlet pipe 8 is high, the oil gas outlet pipe 8 is heated to high temperature, the mixture of alcohol and water is conveyed to the gasification furnace 9 by starting the conveying pump 14, when the temperature of the oil gas outlet pipe 8 rises to above 100℃, the alcohol and water are vaporized, and hydrogen, vaporized water, carbon monoxide gas and other gases are generated under the action of the catalyst 12, these gases enter the filter 10 through the conveying pipe and are filtered, the hydrogen passes through the one-way valve 21 and is stored in the hydrogen storage container 4, the fourth electromagnetic valve 30 is opened to discharge the coal coke through the discharge pipe 29, and the cleaning is performed at regular time.
[0048] It is to be noted that the relative terms such as first and second and the like are used herein solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.
[0049] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A catalytic device for a coal electrocatalytic hydrogenation process, comprising a coal electrocatalytic furnace (1), characterized in that: A pulverized coal tank (2) is fixedly mounted on the left side wall of the coal-fired power furnace (1), a mixing pipe (3) is fixedly mounted on the right side wall of the coal-fired power furnace (1), a hydrogen storage container (4) is arranged on the top of the mixing pipe (3), a fuel storage container (5) is arranged on the top of the mixing pipe (3), an air compressor (6) is fixedly mounted on the right side wall of the mixing pipe (3), an end of the mixing pipe (3) away from the air compressor (6) is fixedly connected to a nozzle (7), an oil and gas outlet pipe (8) is fixedly connected to the top of the coal-fired power furnace (1), the outside of the oil and gas outlet pipe (8) is fixedly connected to a gasification furnace (9), a filter (10) is fixedly mounted on the right side wall of the gasification furnace (9), the outside of the oil and gas outlet pipe (8) is fixedly connected to a heat conducting plate (11), and a catalyst (12) is arranged on the inner bottom wall of the gasification furnace (9); A servo motor (24) is fixedly mounted on the top of the pulverized coal tank (2), a conveying auger (25) is fixedly connected to the output shaft of the servo motor (24), a discharge pipe (26) is fixedly connected to the bottom of the pulverized coal tank (2), an end of the discharge pipe (26) away from the pulverized coal tank (2) is fixedly connected to the coal-fired furnace (1), a third solenoid valve (27) is fixedly mounted on the outside of the discharge pipe (26), and a second addition pipe (28) is fixedly connected to the top of the pulverized coal tank (2); A heater (13) is fixedly mounted on the inner side wall of the gasification furnace (9), and a temperature sensor (17) is fixedly connected to the inner side wall of the gasification furnace (9).
2. The catalytic device for coal electrocatalytic hydrogenation process according to claim 1, characterized in that: A delivery pump (14) is fixedly installed on the top of the fuel storage container (5); the input end of the delivery pump (14) is fixedly connected to an input pipe (15) extending into the interior of the fuel storage container (5); and the output end of the delivery pump (14) is fixedly connected to an output pipe (16) extending into the interior of the gasifier (9).
3. The catalytic device for coal electrocatalytic hydrogenation process according to claim 1, characterized in that: The bottom of the fuel storage container (5) is fixedly connected to a first connecting pipe (18), one end of the first connecting pipe (18) away from the fuel storage container (5) is fixedly connected to the mixing pipe (3), a first solenoid valve (19) is fixedly installed on the outside of the first connecting pipe (18), and the top of the fuel storage container (5) is fixedly connected to a first adding pipe (20).
4. The catalytic device for coal electrocatalytic hydrogenation process according to claim 1, characterized in that: The filter (10) is fixedly connected to the hydrogen storage container (4) via a delivery pipe, and a one-way valve (21) is fixedly installed on the outside of the delivery pipe.
5. The catalytic device for coal electrocatalytic hydrogenation process according to claim 1, characterized in that: A second connecting pipe (22) is fixedly connected to the bottom of the hydrogen storage container (4), one end of the second connecting pipe (22) away from the hydrogen storage container (4) is fixedly connected to the mixing pipe (3), and a second solenoid valve (23) is fixedly installed on the outside of the second connecting pipe (22).
6. The catalytic device for coal electrocatalytic hydrogenation process according to claim 1, characterized in that: A discharge pipe (29) is fixedly connected to the bottom of the coal-fired electric furnace (1), and a fourth solenoid valve (30) is fixedly installed on the outside of the discharge pipe (29).