Energy-saving boiler with improved combustion efficiency

Abstract

The present invention provides an energy-saving boiler with improved combustion efficiency, which relates to the technical field of energy-saving boilers, and includes a boiler body, the bottom of which is fixedly mounted on the top of the mounting plate, a plurality of supporting legs being fixedly mounted on the bottom of the mounting plate, a first vortex blowing mechanism and a second vortex blowing mechanism being arranged on the top of the boiler body, and a waste heat recovery mechanism being connected to the smoke outlet of the boiler body. The present invention realizes multi-stage combustion by arranging two mutually independent first combustion chambers and second combustion chambers in the boiler body to improve the combustion efficiency; the first vortex blowing mechanism and the second vortex blowing mechanism arranged on the top of the boiler body are coordinated to enhance the air flow disturbance inside the boiler body, promote the full mixing of fuel and air, and improve the combustion quality; the waste heat recovery mechanism arranged secondly can perform heat exchange on the high-temperature flue gas to recover the waste heat in the flue gas, further improve the utilization rate of energy, and achieve the purpose of energy saving.

Description

Technical Field

[0001] The present invention relates to the technical field of energy-saving boilers, and in particular to an energy-saving boiler with improved combustion efficiency. Background Art

[0002] A boiler is an energy conversion device that uses the heat energy released by fuel combustion or the heat energy of other energy sources to heat the working medium (such as water, thermal oil, etc.) to certain parameters (such as temperature, pressure, etc.), and outputs steam, high-temperature water or organic heat carrier with thermal energy. Its working principle is to convert the chemical energy or electrical energy in the fuel into thermal energy, then heat the working medium through the heating surface, and finally output steam or hot water with a certain temperature and pressure. This process includes the steps of fuel combustion, heat transfer, and heating and vaporization of the working medium.

[0003] At present, boilers often have problems such as incomplete fuel combustion, serious energy waste, and severe environmental pollution during the combustion process. The boiler lacks a vortex air outlet mechanism and cannot provide sufficient air volume for fuel combustion inside the boiler, resulting in incomplete mixing of fuel and air and low combustion efficiency. Secondly, the lack of a waste heat recovery mechanism makes it impossible to effectively utilize the flue gas discharged by the boiler, resulting in energy waste, thereby increasing the operating cost of the boiler. Therefore, it is urgent to design an energy-saving boiler with improved combustion efficiency to solve the above problems. Summary of the invention

[0004] The present invention provides an energy-saving boiler with improved combustion efficiency, which is used to solve at least one of the problems raised by the above background technology.

[0005] In order to solve the above technical problems, the present invention discloses an energy-saving boiler with improved combustion efficiency, including a boiler body, the bottom of which is fixedly installed on the top of the mounting plate, a plurality of supporting legs are fixedly installed on the bottom of the mounting plate, a first vortex blowing mechanism and a second vortex blowing mechanism are symmetrically arranged on the top of the boiler body, and the smoke outlet of the boiler body is connected to a waste heat recovery mechanism.

[0006] Preferably, it also includes an insulation board, which divides the boiler body into a first combustion chamber and a second combustion chamber, a central tube is embedded in the middle of the insulation board, and a first air inlet and a second air inlet are embedded in the top of the first combustion chamber and the second combustion chamber.

[0007] Preferably, it also includes a charging door, which is hinged at the charging port on the left side of the boiler body.

[0008] Preferably, the first vortex blowing mechanism comprises a first blower, the first blower is fixedly mounted on the top of the boiler body, the air inlet of the first air supply duct is connected to the air outlet of the first blower, the air outlet of the first air supply duct passes through the top of the boiler body and is connected to a first wind box, a plurality of first air outlet pipes are arranged at the bottom of the first wind box, and first guide blocks are embedded in the plurality of first air outlet pipes;

[0009] The second vortex blowing mechanism includes a second blower, which is fixedly installed on the top of the boiler body. The air inlet of the second air supply duct is connected to the air outlet of the second blower. The air outlet of the second air supply duct passes through the top of the boiler body and is connected to a second bellows. A plurality of second air outlet pipes are arranged at the bottom of the second bellows, and second guide blocks are embedded in the plurality of second air outlet pipes.

[0010] Preferably, the waste heat recovery mechanism includes a box body, the smoke inlet of the box body is connected to the smoke outlet of the boiler body, two sides of the filter plate are fixedly connected to the top and bottom of the box body respectively, a fixed plate is arranged on one side of the filter plate, two sides of the fixed plate are fixedly connected to the top and bottom of the box body respectively, the heat exchange box is fixedly installed on one side of the box body, the smoke outlet of the smoke inlet pipe passes through the fixed plate and is connected to a heat exchange elbow, the heat exchange elbow is arranged on the outer wall of the heat exchange box, the smoke outlet of the heat exchange elbow is connected to the smoke outlet pipe, the smoke outlet of the smoke outlet pipe passes through the top of the box body, the drive motor is fixedly installed on the top of the box body, the output shaft of the drive motor is fixedly connected to a rotating shaft, the lower end of the rotating shaft rotates in turn through the box body and the top of the heat exchange box, and then a stirring rod is fixedly installed.

[0011] Preferably, it also includes an auxiliary box, the top of which is fixedly mounted on one side of the bottom of the box body, the servo motor is fixedly mounted on the inner wall of the auxiliary box, the output shaft of the servo motor is fixedly mounted with a drive shaft, the drive shaft is fixedly mounted with a cam and a bevel gear 1 in sequence at intervals from front to back, one end of the connecting rod 1 is hinged to the cam away from the center, both sides of the partition are fixedly mounted on the inner wall of the auxiliary box, the connecting rod 2 is hinged to the other end of the connecting rod 1, and one end of the connecting rod 2 is slid through the partition and then fixedly mounted with a push plate, the top and bottom of the push plate are slidably connected to the inner wall of the auxiliary box.

[0012] Preferably, it also includes a threaded rod, the upper end of the threaded rod rotates through the bottom of the auxiliary box and is rotatably connected to the top of the auxiliary box, the lower end of the threaded rod is fixedly connected to a transmission shaft, the lower end of the transmission shaft is fixedly installed with a bevel gear 2, the bevel gear 2 is meshed with the bevel gear 1, the threaded sleeve is threadedly connected to the threaded rod, one side of the threaded sleeve is slidably connected to a slide groove embedded in the fixed plate, one end of the cleaning brush slides through one side of the threaded sleeve and is connected to a spring, and one side of the spring is fixedly connected to the inner wall of the groove embedded in the threaded sleeve.

[0013] Preferably, it also includes a combustion performance detection device, which is used to detect the working state of the energy-saving boiler with improved combustion efficiency during combustion. The combustion performance detection device includes:

[0014] Flow meter 1, used to detect the amount of fuel delivered at the feed inlet of energy-saving boilers with improved combustion efficiency;

[0015] Flow meter 2 is used to detect the flue gas output from the flue gas outlet pipe of an energy-saving boiler with improved combustion efficiency;

[0016] Temperature sensor 1, used to detect the temperature of slag discharged from energy-saving boilers with improved combustion efficiency;

[0017] Temperature sensor 2, used to detect the temperature during combustion inside the energy-saving boiler with improved combustion efficiency;

[0018] A controller and an alarm, wherein the controller is electrically connected to flow meter 1, flow meter 2, temperature sensor 1, temperature sensor 2 and the alarm, and the controller controls the operation of the alarm based on flow meter 1, flow meter 2, temperature sensor 1 and temperature sensor 2.

[0019] Preferably, the controller controls the alarm to work based on the flow meter 1, flow meter 2, temperature sensor 1 and temperature sensor 2, including the following steps:

[0020] According to the following formula and the detection values ​​of the flow meter 1, flow meter 2, temperature sensor 1 and temperature sensor 2, the actual heat Q outputted when the energy-saving boiler with improved combustion efficiency is in combustion is calculated, and the controller compares the actual heat Q outputted when the energy-saving boiler with improved combustion efficiency is in combustion with the preset output heat range. If the actual heat Q outputted when the energy-saving boiler with improved combustion efficiency is in combustion is not within the preset output heat range, the controller controls the alarm to sound an alarm;

[0021]

[0022] Among them, Q is the actual heat output when the energy-saving boiler with improved combustion efficiency is burning, B is the detection value of the amount of fuel delivered by flow meter one at the feed inlet of the energy-saving boiler with improved combustion efficiency, D is the detection value of the flue gas output by flow meter two at the smoke outlet pipe of the energy-saving boiler with improved combustion efficiency, h1 is the enthalpy of saturated flue gas, h2 is the enthalpy of superheated flue gas, r is the latent heat of vaporization, w is the humidity of flue gas, a1 is the ratio of slag to the total amount of coal burned, T1 is the detection value of the slag temperature discharged by the energy-saving boiler with improved combustion efficiency by temperature sensor one, T2 is the detection value of the temperature when the energy-saving boiler with improved combustion efficiency is burning by temperature sensor two, T0 is the temperature at the air inlet of the boiler body, a2 is the ratio of fly ash to the total amount of coal burned, C1 is the specific heat of slag, C2 is the specific heat of fly ash, Z1 is the carbon content in the slag, and Z2 is the carbon content in the fly ash.

[0023] The present invention provides an energy-saving boiler with improved combustion efficiency. Compared with the prior art, the present invention has the following beneficial effects:

[0024] The energy-saving boiler with improved combustion efficiency achieves multi-stage combustion by arranging two independent first combustion chambers and second combustion chambers in the boiler body to improve the combustion efficiency; the first vortex blowing mechanism and the second vortex blowing mechanism are arranged on the top of the boiler body to enhance the air flow disturbance inside the boiler body, promote the full mixing of fuel and air, and improve the combustion quality; secondly, the waste heat recovery mechanism can perform heat exchange on the high-temperature flue gas to recover the waste heat in the flue gas, further improve the utilization rate of energy, and achieve the purpose of energy saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 A schematic structural diagram of an energy-saving boiler with improved combustion efficiency provided by an embodiment of the present invention;

[0027] Figure 2 A schematic structural diagram of the connection between a boiler body and a waste heat recovery mechanism of an energy-saving boiler with improved combustion efficiency provided by an embodiment of the present invention;

[0028] Figure 3 A schematic diagram of the structure inside an auxiliary box of an energy-saving boiler with improved combustion efficiency provided by an embodiment of the present invention.

[0029] Reference numerals:

[0030] 1. Boiler body; 2. Mounting plate; 3. Support leg; 4. First vortex blowing mechanism; 5. Second vortex blowing mechanism; 6. Waste heat recovery mechanism; 7. Heat insulation board; 8. First combustion chamber; 9. Second combustion chamber; 10. Center pipe; 11. First air inlet; 12. Second air inlet; 13. Feeding door; 14. First blower; 15. First air supply duct; 16. First wind box; 17. First air outlet duct; 18. First guide block; 19. Second blower; 20. Second air supply duct; 21. Second wind box; 22. Second air outlet duct; 23. The second guide block; 24, box body; 25, filter plate; 26, fixing plate; 27, heat exchange box; 28, smoke inlet pipe; 29, heat exchange elbow; 30, smoke outlet pipe; 31, drive motor; 32, rotating shaft; 33, stirring rod; 34, auxiliary box; 35, servo motor; 36, drive shaft; 37, cam; 38, bevel gear one; 39, connecting rod one; 40, connecting rod two; 41, partition; 42, push plate; 43, threaded rod; 44, transmission shaft; 45, threaded sleeve; 46, slide groove; 47, spring; 48, cleaning brush; 49, bevel gear two. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are 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 creative work are within the scope of protection of the present invention.

[0032] The present invention provides the following embodiments

[0033] Example 1

[0034] The embodiment of the present invention provides an energy-saving boiler with improved combustion efficiency, such as Figure 1 As shown, it includes a boiler body 1, the bottom of which is fixedly mounted on the top of the mounting plate 2, a plurality of supporting legs 3 are fixedly mounted on the bottom of the mounting plate 2, a first vortex blowing mechanism 4 and a second vortex blowing mechanism 5 are symmetrically arranged on the top of the boiler body 1, and the smoke outlet of the boiler body 1 is connected to a waste heat recovery mechanism 6.

[0035] Preferably, it also includes an insulation board 7, which divides the boiler body 1 into a first combustion chamber 8 and a second combustion chamber 9, a central tube 10 is embedded in the middle of the insulation board 7, and a first air inlet 11 and a second air inlet 12 are embedded in the top of the first combustion chamber 8 and the second combustion chamber 9.

[0036] Preferably, it further comprises a charging door 13 , which is hinged at the charging port on the left side of the boiler body 1 .

[0037] Preferably, the first vortex blowing mechanism 4 comprises a first blower 14, the first blower 14 is fixedly mounted on the top of the boiler body 1, the air inlet of the first air supply pipe 15 is connected to the air outlet of the first blower 14, the air outlet of the first air supply pipe 15 passes through the top of the boiler body 1 and is connected to a first wind box 16, a plurality of first air outlet pipes 17 are arranged at the bottom of the first wind box 16, and a first guide block 18 is embedded in the plurality of first air outlet pipes 17;

[0038] The second vortex blowing mechanism 5 includes a second blower 19, which is fixedly installed on the top of the boiler body 1. The air inlet of the second air supply duct 20 is connected to the air outlet of the second blower 19. The air outlet of the second air supply duct 20 passes through the top of the boiler body 1 and is connected to a second wind box 21. A plurality of second air outlet pipes 22 are arranged at the bottom of the second wind box 21, and a plurality of second air outlet pipes 22 are embedded with second guide blocks 23.

[0039] The working principle and beneficial effects of the above technical solution are:

[0040] The energy-saving boiler with improved combustion efficiency of the present invention is provided with two independent first combustion chambers 8 and second combustion chambers 9 to achieve multi-stage combustion to improve the combustion efficiency; the first vortex blowing mechanism 54 and the second vortex blowing mechanism are arranged on the top of the boiler body 1 to enhance the air flow disturbance inside the boiler body 1, promote the full mixing of fuel and air, and improve the combustion quality; secondly, the waste heat recovery mechanism 6 can perform heat exchange on the high-temperature flue gas to recover the waste heat in the flue gas, further improve the utilization rate of energy, and achieve the purpose of energy saving.

[0041] The above also includes an insulation board 7, which divides the boiler body 1 into a first combustion chamber 8 and a second combustion chamber 9. A central tube 10 is embedded in the middle of the insulation board 7, and a first air inlet 11 and a second air inlet 12 are embedded in the top of the first combustion chamber 8 and the second combustion chamber 9. By setting two independent combustion areas, each area is equipped with an independent air inlet and a fuel supply device to achieve staged combustion of the fuel, wherein the first combustion chamber 8 is used for preliminary combustion to generate high-temperature flue gas, and the second combustion chamber 9 receives the high-temperature flue gas from the first combustion chamber 8 and continues to burn the remaining fuel to improve the combustion efficiency. It also includes a feeding door 13, which is hinged at the feeding port on the left side of the boiler body 1 and is used to add fuel inside the boiler body 1.

[0042] The above-mentioned first vortex blowing mechanism 54 and the second vortex blowing mechanism are operated by a blower, and the air outlet of the air supply duct passes through the top of the boiler body 1 and is connected to a bellows, and the air is transported to the bellows through the air supply duct. A plurality of air outlet pipes are arranged at the bottom of the bellows, and guide blocks are embedded in the plurality of air outlet pipes. The air transported to the bellows generates vortices through the guide blocks in the air outlet pipes, thereby enhancing the airflow disturbance in the combustion chamber, promoting the full mixing of fuel and air, and improving the combustion quality of the boiler.

[0043] Example 2

[0044] On the basis of Example 1, Figure 2-Figure 3 As shown, the waste heat recovery mechanism 6 includes a box body 24, the smoke inlet of the box body 24 is connected to the smoke outlet of the boiler body 1, the two sides of the filter plate 25 are respectively fixedly connected to the top and bottom of the box body 24, the fixed plate 26 is arranged on one side of the filter plate 25, the two sides of the fixed plate 26 are respectively fixedly connected to the top and bottom of the box body 24, the heat exchange box 27 is fixedly installed on one side of the box body 24, and the smoke outlet of the smoke inlet pipe 28 passes through the fixed plate 26 and is connected to the A heat exchange elbow 29 is provided, and the heat exchange elbow 29 is arranged on the outer side wall of the heat exchange box 27. The smoke outlet of the heat exchange elbow 29 is connected to a smoke outlet pipe 30. The smoke outlet of the smoke outlet pipe 30 passes through the top of the box body 24. A drive motor 31 is fixedly installed on the top of the box body 24. The output shaft of the drive motor 31 is fixedly connected to a rotating shaft 32. The lower end of the rotating shaft 32 rotates through the box body 24 and the top of the heat exchange box 27 in turn, and then a stirring rod 33 is fixedly installed.

[0045] Preferably, it also includes an auxiliary box 34, the top of which is fixedly mounted on one side of the bottom of the box body 24, the servo motor 35 is fixedly mounted on the inner wall of the auxiliary box 34, and a drive shaft 36 is fixedly mounted on the output shaft of the servo motor 35. A cam 37 and a bevel gear 38 are fixedly mounted on the drive shaft 36 at intervals from front to back, one end of a connecting rod 39 is hinged to the cam 37 away from the center, both sides of a partition 41 are fixedly mounted on the inner wall of the auxiliary box 34, a connecting rod 40 is hinged to the other end of the connecting rod 39, and a push plate 42 is fixedly mounted after one end of the connecting rod 40 slides through the partition 41, and the top and bottom of the push plate 42 are slidably connected to the inner wall of the auxiliary box 34.

[0046] Preferably, it also includes a threaded rod 43, the upper end of the threaded rod 43 rotates through the bottom of the auxiliary box 34 and is rotatably connected to the top of the auxiliary box 34, the lower end of the threaded rod 43 is fixedly connected to a transmission shaft 44, the lower end of the transmission shaft 44 is fixedly installed with a bevel gear 2 49, the bevel gear 2 49 is meshed with the bevel gear 1 38, the threaded sleeve is threadedly connected to the threaded rod 43, one side of the threaded sleeve is slidably connected to a slide groove 46 embedded in the fixed plate 26, one end of the cleaning brush 48 slides through one side of the threaded sleeve and is connected to a spring 47, one side of the spring 47 is fixedly connected to the inner wall of the groove embedded in the threaded sleeve.

[0047] The working principle and beneficial effects of the above technical solution are:

[0048] The waste heat recovery mechanism 6 is arranged above, and the smoke inlet of the box body 24 is connected with the smoke outlet of the boiler body 1, so that the smoke generated by the boiler enters the box body 24, and the two sides of the filter plate 25 are respectively fixedly connected to the top and the bottom of the box body 24, and the smoke filtered by the filter plate 25 is transported to the heat exchange elbow 29 through the smoke inlet pipe 28, and the heat exchange box 27 is fixedly installed on one side of the box body 24, and the heat exchange elbow 29 is arranged on the outer side wall of the heat exchange box 27, and the smoke outlet of the heat exchange elbow 29 is connected to the smoke outlet pipe 30, and the water in the heat exchange box 27 passes through the heat exchange elbow 29. After the heat exchange reaches a certain stability, it is discharged from the water outlet at the bottom of the heat exchange box 27 for recycling. The smoke outlet of the smoke outlet pipe 30 passes through the top of the box body 24, and the smoke is discharged through the smoke outlet pipe 30. The drive motor 31 is fixedly installed on the top of the box body 24. The output shaft of the drive motor 31 is fixedly connected with a rotating shaft 32. The lower end of the rotating shaft 32 rotates and passes through the box body 24 and the top of the heat exchange box 27 in turn, and then a stirring rod 33 is fixedly installed. The driving motor 31 rotates to drive the stirring rod 33 to stir the water in the heat exchange box 27, so that the water in the heat exchange box 27 can quickly exchange heat.

[0049] The top of the auxiliary box 34 is fixedly mounted on one side of the bottom of the box body 24, and the servo motor 35 is fixedly mounted on the inner wall of the auxiliary box 34. The servo motor 35 drives the drive shaft 36 to rotate. The drive shaft 36 is fixedly mounted with a cam 37 and a bevel gear 38 at intervals from front to back, thereby realizing the synchronous rotation of the cam 37 and the bevel gear 38. One end of the connecting rod 39 is hinged to the cam 37 away from the center, so that the connecting rod 39 drives the connecting rod 40 to slide left and right along the partition 41 as the cam 37 rotates, so that the push plate 42 connected to the connecting rod 40 slides left and right along the bottom of the auxiliary box 34, completing the collection of fly ash filtered by the filter net and falling into the auxiliary box 34; at the same time, the bevel gear 38 and the bevel gear 2 49 meshing transmission, the upper end of the threaded rod 43 rotates to pass through the bottom of the auxiliary box 34 and is rotatably connected to the top of the auxiliary box 34, the lower end of the threaded rod 43 is fixedly connected to a transmission shaft 44, driving the threaded rod 43 to rotate synchronously, the threaded sleeve is threadedly connected to the threaded rod 43, one side of the threaded sleeve is slidably connected to a slide groove 46 embedded in the fixed plate 26, so that the threaded sleeve can move up and down along the slide groove 46, one end of the cleaning brush 48 slides through one side of the threaded sleeve and is connected to a spring 47, one side of the spring 47 is fixedly connected to the inner wall of the groove embedded in the threaded sleeve, so that the cleaning brush 48 can clean the filter screen in time to avoid clogging of the filter screen, and the elastic force of the spring 47 can provide a buffer for the cleaning brush 48.

[0050] Example 3

[0051] On the basis of embodiment 1 or 2, a combustion performance detection device is further included, which is used to detect the working state of the energy-saving boiler with improved combustion efficiency during combustion. The combustion performance detection device includes:

[0052] Flow meter 1, used to detect the amount of fuel delivered at the feed inlet of energy-saving boilers with improved combustion efficiency;

[0053] Flow meter 2, used to detect the flue gas volume output from the flue gas outlet pipe 30 of the energy-saving boiler with improved combustion efficiency;

[0054] Temperature sensor 1, used to detect the temperature of slag discharged from energy-saving boilers with improved combustion efficiency;

[0055] Temperature sensor 2, used to detect the temperature during combustion inside the energy-saving boiler with improved combustion efficiency;

[0056] A controller and an alarm, wherein the controller is electrically connected to flow meter 1, flow meter 2, temperature sensor 1, temperature sensor 2 and the alarm, and the controller controls the operation of the alarm based on flow meter 1, flow meter 2, temperature sensor 1 and temperature sensor 2.

[0057] Preferably, the controller controls the alarm to work based on the flow meter 1, flow meter 2, temperature sensor 1 and temperature sensor 2, including the following steps:

[0058] According to the following formula and the detection values ​​of the flow meter 1, flow meter 2, temperature sensor 1 and temperature sensor 2, the actual heat Q outputted when the energy-saving boiler with improved combustion efficiency is in combustion is calculated, and the controller compares the actual heat Q outputted when the energy-saving boiler with improved combustion efficiency is in combustion with the preset output heat range. If the actual heat Q outputted when the energy-saving boiler with improved combustion efficiency is in combustion is not within the preset output heat range, the controller controls the alarm to sound an alarm;

[0059]

[0060] Among them, Q is the actual heat output when the energy-saving boiler with improved combustion efficiency is burning, B is the detection value of the amount of fuel delivered by flow meter one at the feed inlet of the energy-saving boiler with improved combustion efficiency, D is the detection value of the flue gas output by flow meter two at the smoke outlet pipe of the energy-saving boiler with improved combustion efficiency, h1 is the enthalpy of saturated flue gas, h2 is the enthalpy of superheated flue gas, r is the latent heat of vaporization, w is the humidity of flue gas, a1 is the ratio of slag to the total amount of coal burned, T1 is the detection value of the slag temperature discharged by the energy-saving boiler with improved combustion efficiency by temperature sensor one, T2 is the detection value of the temperature when the energy-saving boiler with improved combustion efficiency is burning by temperature sensor two, T0 is the temperature at the air inlet of the boiler body, a2 is the ratio of fly ash to the total amount of coal burned, C1 is the specific heat of slag, C2 is the specific heat of fly ash, Z1 is the carbon content in the slag, and Z2 is the carbon content in the fly ash.

[0061] The beneficial effects of the above technical scheme are as follows: first, according to the formula and the detection values ​​of the flow meter 1, the flow meter 2, the temperature sensor 1 and the temperature sensor 2, the heat Q actually outputted during combustion inside the energy-saving boiler with improved combustion efficiency, the amount of fuel delivered at the feed inlet of the energy-saving boiler with improved combustion efficiency, the amount of flue gas outputted from the smoke outlet pipe of the energy-saving boiler with improved combustion efficiency, the enthalpy value of saturated flue gas, the enthalpy value of superheated flue gas, the latent heat of vaporization, the humidity of flue gas, the ratio of slag to the total amount of coal burned, the temperature of the slag discharged from the energy-saving boiler with improved combustion efficiency, the temperature during combustion inside the energy-saving boiler with improved combustion efficiency, the temperature at the air inlet of the boiler body, the ratio of fly ash to the total amount of coal burned, the specific heat of slag, the specific heat of fly ash, the carbon content in the slag, and the carbon content in the fly ash are calculated, so that the calculation result is more accurate and reliable;

[0062] Secondly, the controller controls the alarm based on the flow meter 1, flow meter 2, temperature sensor 1 and temperature sensor 2. If the actual heat Q outputted by the energy-saving boiler with improved combustion efficiency during combustion is not within the preset output flow range, the controller controls the alarm to sound an alarm, thereby reminding the staff to promptly inspect the energy-saving boiler with improved combustion efficiency, and perform maintenance on the energy-saving boiler with improved combustion efficiency according to the actual inspection results to maintain the high combustion efficiency and energy-saving use requirements of the energy-saving boiler with improved combustion efficiency, while ensuring the overall normal operation of the energy-saving boiler with improved combustion efficiency, and effectively improving the service life of the energy-saving boiler with improved combustion efficiency, further meeting the use requirements of the energy-saving boiler with improved combustion efficiency for combustion reliability and stability, and monitoring the working status of the energy-saving boiler with improved combustion efficiency in real time during operation, not only the combustion efficiency of the energy-saving boiler with improved combustion efficiency is improved, but also it is ensured that the energy-saving boiler with improved combustion efficiency can be quickly discovered and repaired in time after a fault occurs.

[0063] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An energy-saving boiler with improved combustion efficiency, characterized in that: The invention comprises a boiler body (1), the bottom of the boiler body (1) is fixedly mounted on the top of the mounting plate (2), a plurality of supporting legs (3) are fixedly mounted on the bottom of the mounting plate (2), a first vortex air blowing mechanism (4) and a second vortex air blowing mechanism (5) are symmetrically arranged on the top of the boiler body (1), and a smoke outlet of the boiler body (1) is connected to a waste heat recovery mechanism (6).

2. The energy-saving boiler with improved combustion efficiency according to claim 1, characterized in that: It also includes a heat insulation board (7), wherein the heat insulation board (7) divides the boiler body (1) into a first combustion chamber (8) and a second combustion chamber (9), a central tube (10) is embedded in the middle of the heat insulation board (7), and a first air inlet (11) and a second air inlet (12) are embedded in the tops of the first combustion chamber (8) and the second combustion chamber (9).

3. The energy-saving boiler with improved combustion efficiency according to claim 1, characterized in that: It also comprises a charging door (13), wherein the charging door (13) is hinged at the charging port on the left side of the boiler body (1).

4. The energy-saving boiler with improved combustion efficiency according to claim 1, characterized in that: The first vortex blowing mechanism (4) comprises a first blower (14), the first blower (14) is fixedly mounted on the top of the boiler body (1), an air inlet of a first air supply pipe (15) is connected to an air outlet of the first blower (14), the air outlet of the first air supply pipe (15) passes through the top of the boiler body (1) and is connected to a first wind box (16), a plurality of first air outlet pipes (17) are arranged at the bottom of the first wind box (16), and a first guide block (18) is embedded in each of the plurality of first air outlet pipes (17); The second vortex blowing mechanism (5) comprises a second blower (19), the second blower (19) is fixedly mounted on the top of the boiler body (1), the air inlet of the second air supply duct (20) is connected to the air outlet of the second blower (19), the air outlet of the second air supply duct (20) passes through the top of the boiler body (1) and is connected to a second wind box (21), a plurality of second air outlet pipes (22) are arranged at the bottom of the second wind box (21), and a second guide block (23) is embedded in the plurality of second air outlet pipes (22).

5. The energy-saving boiler with improved combustion efficiency according to claim 1, characterized in that: The waste heat recovery mechanism (6) comprises a box body (24), the smoke inlet of the box body (24) is connected to the smoke outlet of the boiler body (1), the two sides of the filter plate (25) are respectively fixedly connected to the top and the bottom of the box body (24), the fixed plate (26) is arranged on one side of the filter plate (25), the two sides of the fixed plate (26) are respectively fixedly connected to the top and the bottom of the box body (24), the heat exchange box (27) is fixedly installed on one side of the box body (24), and the smoke outlet of the smoke inlet pipe (28) passes through the fixed plate (26) and is connected to the heat exchange box (27). A heat exchange bent pipe (29), the heat exchange bent pipe (29) is arranged on the outer side wall of the heat exchange box (27), the smoke outlet of the heat exchange bent pipe (29) is connected to a smoke outlet pipe (30), the smoke outlet of the smoke outlet pipe (30) passes through the top of the box body (24), a drive motor (31) is fixedly mounted on the top of the box body (24), the output shaft of the drive motor (31) is fixedly connected to a rotating shaft (32), the lower end of the rotating shaft (32) rotates through the box body (24) and the top of the heat exchange box (27) in turn, and then a stirring rod (33) is fixedly mounted thereon.

6. The energy-saving boiler with improved combustion efficiency according to claim 5, characterized in that: It also includes an auxiliary box (34), the top of which is fixedly mounted on one side of the bottom of the box body (24), a servo motor (35) is fixedly mounted on the inner wall of the auxiliary box (34), a drive shaft (36) is fixedly mounted on the output shaft of the servo motor (35), a cam (37) and a bevel gear (38) are fixedly mounted on the drive shaft (36) in sequence at intervals from front to back, one end of a connecting rod (39) is hinged at a point away from the center of the cam (37), both sides of a partition (41) are fixedly mounted on the inner wall of the auxiliary box (34), a connecting rod (40) is hinged to the other end of the connecting rod (39), and a push plate (42) is fixedly mounted after one end of the connecting rod (40) slides through the partition (41), and the top and bottom of the push plate (42) are slidably connected to the inner wall of the auxiliary box (34).

7. The energy-saving boiler with improved combustion efficiency according to claim 6, characterized in that: It also includes a threaded rod (43), the upper end of which rotates through the bottom of the auxiliary box (34) and is then rotatably connected to the top of the auxiliary box (34), the lower end of which is fixedly connected to a transmission shaft (44), the lower end of which is fixedly installed with a bevel gear 2 (49), the bevel gear 2 (49) meshing with the bevel gear 1 (38), a threaded sleeve being threadedly connected to the threaded rod (43), one side of which is slidably connected to a slide groove (46) embedded in the fixing plate (26), one end of which is slidably connected to a spring (47) after passing through one side of the threaded sleeve, one side of which is fixedly connected to the inner wall of a groove embedded in the threaded sleeve.

8. The method for operating an energy-saving boiler with improved combustion efficiency according to claim 1, characterized in that: It also includes a combustion performance detection device, which is used to detect the working state of the energy-saving boiler with improved combustion efficiency during combustion. The combustion performance detection device includes: Flow meter 1, used to detect the amount of fuel delivered at the feed inlet of energy-saving boilers with improved combustion efficiency; A second flow meter for detecting the amount of flue gas output from a flue gas outlet pipe (30) of an energy-saving boiler with improved combustion efficiency; Temperature sensor 1, used to detect the temperature of slag discharged from energy-saving boilers with improved combustion efficiency; Temperature sensor 2, used to detect the temperature during combustion inside the energy-saving boiler with improved combustion efficiency; A controller and an alarm, wherein the controller is electrically connected to flow meter 1, flow meter 2, temperature sensor 1, temperature sensor 2 and the alarm, and the controller controls the operation of the alarm based on flow meter 1, flow meter 2, temperature sensor 1 and temperature sensor 2.

9. The method for operating an energy-saving boiler with improved combustion efficiency according to claim 8, characterized in that: The controller controls the alarm to work based on the flow meter 1, the flow meter 2, the temperature sensor 1 and the temperature sensor 2, including the following steps: According to the following formula and the detection values ​​of the flow meter 1, flow meter 2, temperature sensor 1 and temperature sensor 2, the actual heat Q outputted when the energy-saving boiler with improved combustion efficiency is in combustion is calculated, and the controller compares the actual heat Q outputted when the energy-saving boiler with improved combustion efficiency is in combustion with the preset output heat range. If the actual heat Q outputted when the energy-saving boiler with improved combustion efficiency is in combustion is not within the preset output heat range, the controller controls the alarm to sound an alarm; Wherein, Q is the actual heat output during combustion inside the energy-saving boiler with improved combustion efficiency, B is the detection value of the amount of fuel delivered at the feed inlet of the energy-saving boiler with improved combustion efficiency by flow meter one, D is the detection value of the amount of flue gas output at the flue gas outlet pipe of the energy-saving boiler with improved combustion efficiency by flow meter two, h1 is the enthalpy of saturated flue gas, h2 is the enthalpy of superheated flue gas, r is the latent heat of vaporization, w is the humidity of flue gas, a1 is the ratio of slag to the total amount of coal burned, T1 is the detection value of the temperature of slag discharged from the energy-saving boiler with improved combustion efficiency by temperature sensor one, T2 is the detection value of the temperature when combustion is carried out inside the energy-saving boiler with improved combustion efficiency by temperature sensor two, T0 is the temperature at the air inlet of the boiler body (1), a2 is the ratio of fly ash to the total amount of coal burned, C1 is the specific heat of slag, C2 is the specific heat of fly ash, Z1 is the carbon content in the slag, and Z2 is the carbon content in the fly ash.

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