Mixed fuel boiler burner

Abstract

The utility model relates to a mixed fuel boiler burner, which belongs to the technical field of boilers and comprises a mixed fuel boiler body, a purification mechanism is arranged outside the mixed fuel boiler body, and the purification mechanism comprises a heat exchange box and a water washing box which are fixedly connected with the mixed fuel boiler body. The top of the heat exchange box is fixedly connected with a conveying pipe fixedly connected with the mixed fuel boiler body, and the interior of the heat exchange box is fixedly connected with a snakelike heat exchange pipe. According to the mixed fuel boiler burner, by arranging the purification mechanism, the flue gas purification function is added to the mixed fuel boiler burner, flue gas generated during work of a mixed fuel boiler can be conveniently purified, pollution of the flue gas to the surrounding environment is reduced, and the problem that the mixed fuel boiler does not have the purification function and cannot be used in the using process of the mixed fuel boiler is solved. The problems that flue gas generated during work of the mixed fuel boiler is inconvenient to purify, pollution to the surrounding environment is increased, and the environment friendliness and practicability of the mixed fuel boiler are affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of boilers, in particular to a mixed fuel boiler burner. Background Art

[0002] A boiler is an energy conversion device. The energy input into the boiler includes chemical energy and electrical energy in the fuel. The boiler outputs steam, high-temperature water or organic heat carrier with a certain amount of thermal energy. The original meaning of "pot" refers to a water container heated on fire, and "furnace" refers to a place where fuel is burned. The boiler consists of two major parts: the pot and the furnace. The hot water or steam generated in the boiler can directly provide the required thermal energy for industrial production and people's lives, and can also be converted into mechanical energy through a steam power device, or the mechanical energy can be converted into electrical energy through a generator.

[0003] Please refer to the mixed fuel combustion boiler of announcement number CN203927893U, which includes a boiler heating surface, a steel frame, a chain grate, a secondary air system, an air preheater and an economizer. The boiler heating surface is provided on the steel frame, the boiler heating surface is provided with a secondary air system, a chain grate is provided below the boiler heating surface, and an air preheater and an economizer are provided on the tail end steel frame of the mixed fuel combustion boiler. The mixed fuel combustion boiler is also provided with a biomass feeding device, a coal hopper, and a biogas inlet. The coal hopper and the biogas inlet are arranged above the chain grate, and a biomass feeding device is provided above the coal hopper. By raising the furnace and increasing the cross-section of the settling chamber, the residence time of the material in the furnace is prolonged, the amount of fly ash and the ash particle size are reduced, the flue gas flow rate is reduced, the smoke is initially separated, the amount of fly ash on the convection heating surface is reduced, and the accumulation of ash on the convection heating surface is effectively prevented.

[0004] However, this patent does not have a purification function. During the use of the mixed fuel boiler, it is inconvenient to purify the flue gas generated by the mixed fuel boiler, which increases the pollution to the surrounding environment and affects the environmental protection and practicality of the mixed fuel boiler. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a mixed fuel boiler burner having the advantages of purification and environmental protection, and solves the problem that the mixed fuel boiler has no purification function, is inconvenient to purify the flue gas generated by the mixed fuel boiler during use, increases pollution to the surrounding environment, and affects the environmental protection and practicality of the mixed fuel boiler.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mixed fuel boiler burner, comprising a mixed fuel boiler body, wherein a purification mechanism is arranged outside the mixed fuel boiler body;

[0007] The purification mechanism includes a heat exchange box and a water washing box fixedly connected to the mixed fuel boiler body, the top of the heat exchange box is fixedly connected to a delivery pipe fixedly connected to the mixed fuel boiler body, the interior of the heat exchange box is fixedly connected to a serpentine heat exchange pipe, the right side of the heat exchange box is fixedly connected to a water inlet pipe and a drain pipe, the right side of the water washing box is fixedly connected to an exhaust pipe, the other end of the exhaust pipe is fixedly connected to a filter box fixedly connected to the water washing box, an activated carbon adsorption plate is inserted into the interior of the filter box, the right side of the filter box is fixedly connected to a filter screen, and the bottom of the filter box is fixedly connected to a discharge valve.

[0008] Furthermore, a smoke exhaust port is provided on the right side of the mixed fuel boiler body, and the delivery pipe is connected with the mixed fuel boiler body through the smoke exhaust port.

[0009] Furthermore, two communication holes are opened on the right side of the heat exchange box, and the water inlet pipe and the drain pipe are both connected to the heat exchange box through the communication holes.

[0010] Furthermore, mounting holes are provided on opposite sides of the heat exchange box and the water washing box, and the other end of the serpentine heat exchange tube passes through the heat exchange box and the water washing box through the mounting holes.

[0011] Furthermore, an exhaust port is provided on the right side of the water washing box, and the exhaust pipe is connected with the water washing box through the exhaust port.

[0012] Furthermore, a feed opening is provided at the bottom of the filter box, and the feed opening valve is connected to the filter box through the feed opening.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] The mixed fuel boiler burner has a flue gas purification function provided by a purification mechanism, which facilitates the purification of the flue gas generated by the mixed fuel boiler and reduces the pollution of the surrounding environment caused by the flue gas. The problem is solved that the mixed fuel boiler does not have a purification function, which makes it inconvenient to purify the flue gas generated by the mixed fuel boiler during use, increases the pollution to the surrounding environment, and affects the environmental protection and practicality of the mixed fuel boiler. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a cross-sectional view of the structure of the utility model;

[0016] Figure 2 This is a three-dimensional diagram of the filter box structure of the utility model.

[0017] In the figure: 1. Mixed fuel boiler body; 101. Smoke exhaust port; 2. Heat exchange box; 3. Water washing box; 301. Exhaust port; 4. Delivery pipe; 5. Serpentine heat exchange tube; 6. Water inlet pipe; 7. Drain pipe; 8. Exhaust pipe; 9. Filter box; 10. Activated carbon adsorption plate; 11. Filter screen; 12. Discharge valve. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-2 A mixed fuel boiler burner in this embodiment includes a mixed fuel boiler body 1, and a purification mechanism is arranged outside the mixed fuel boiler body 1.

[0020] In this embodiment, the purification mechanism includes a heat exchange box 2 and a water washing box 3 fixedly connected to the mixed fuel boiler body 1. The top of the heat exchange box 2 is fixedly connected to a delivery pipe 4 fixedly connected to the mixed fuel boiler body 1. The interior of the heat exchange box 2 is fixedly connected to a serpentine heat exchange tube 5. A smoke exhaust port 101 is opened on the right side of the mixed fuel boiler body 1. The delivery pipe 4 is connected to the mixed fuel boiler body 1 through the smoke exhaust port 101. The other end of the delivery pipe 4 is connected to the serpentine heat exchange tube 5. The flue gas generated by the operation of the mixed fuel boiler body 1 is pressurized and enters the interior of the serpentine heat exchange tube 5 through the delivery pipe 4. The right side of the heat exchange box 2 is fixedly connected to a water inlet pipe 6 and a drain pipe 7.

[0021] Among them, two connecting holes are opened on the right side of the heat exchanger box 2, and the water inlet pipe 6 and the drain pipe 7 are connected with the heat exchanger box 2 through the connecting holes. Control valves are arranged on the water inlet pipe 6 and the drain pipe 7. The other end of the water inlet pipe 6 is fixedly connected to the water supply component, and the other end of the drain pipe 7 is fixedly connected to the recovery component. The water inlet pipe 6 transports cooling water to the inside of the heat exchanger box 2, and the drain pipe 7 discharges the heated cooling water to facilitate the recovery of waste heat on the flue gas. The heat exchanger box 2 and the water washing box 3 are both provided with mounting holes on the opposite sides. The other end of the serpentine heat exchange tube 5 passes through the heat exchanger box 2 and the water washing box 3 through the mounting holes. Washing water is stored in the water washing box 3. The flue gas cooled in the serpentine heat exchange tube 5 is transported to the inside of the water washing box 3. The washing water dehumidifies the flue gas to reduce solid pollutants and water-soluble pollutants in the flue gas.

[0022] In addition, an exhaust pipe 8 is fixedly connected to the right side of the water washing box 3, and the other end of the exhaust pipe 8 is fixedly connected to a filter box 9 fixedly connected to the water washing box 3. An activated carbon adsorption plate 10 is inserted into the filter box 9. An exhaust port 301 is opened on the right side of the water washing box 3. The exhaust pipe 8 is connected with the water washing box 3 through the exhaust port 301. Carbon dioxide adsorbent is stored in the filter box 9. The flue gas after water washing enters the filter box 9 through the exhaust pipe 8. The activated carbon adsorption plate 10 inside the filter box 9 adsorbs pollutants in the flue gas, and the carbon dioxide adsorbent polarly adsorbs carbon dioxide in the flue gas, thereby completing multiple purifications of the flue gas.

[0023] Specifically, a filter screen 11 is fixedly connected to the right side of the filter box 9, a discharge valve 12 is fixedly connected to the bottom of the filter box 9, a discharge port is opened at the bottom of the filter box 9, and the discharge valve 12 is connected to the filter box 9 through the discharge port. When the discharge valve 12 is opened, the carbon dioxide adsorbent inside the filter box 9 is discharged through the discharge valve 12, which is convenient for users to replace and recycle the carbon dioxide adsorbent.

[0024] The beneficial effects of the above embodiments are:

[0025] The mixed fuel boiler burner has a flue gas purification function provided by a purification mechanism, which facilitates the purification of the flue gas generated by the mixed fuel boiler and reduces the pollution of the surrounding environment caused by the flue gas. The problem is solved that the mixed fuel boiler does not have a purification function, which makes it inconvenient to purify the flue gas generated by the mixed fuel boiler during use, increases the pollution to the surrounding environment, and affects the environmental protection and practicality of the mixed fuel boiler.

[0026] The working principle of the above embodiment is:

[0027] In the mixed fuel boiler burner, when the mixed fuel boiler body 1 is working, the flue gas generated by the mixed fuel boiler body 1 is pressurized and enters the interior of the serpentine heat exchange tube 5 through the conveying pipe 4, the cooling water inside the heat exchange box 2 exchanges heat with the flue gas inside the serpentine heat exchange tube 5, the flue gas after cooling inside the serpentine heat exchange tube 5 is conveyed to the interior of the water washing box 3, the washing water vaporizes the flue gas, and reduces the solid pollutants and water-soluble pollutants in the flue gas, the flue gas after water washing enters the interior of the filter box 9 through the exhaust pipe 8, the activated carbon adsorption plate 10 inside the filter box 9 adsorbs the pollutants in the flue gas, and the carbon dioxide adsorbent polarly adsorbs the carbon dioxide in the flue gas, thereby achieving the purpose of adding a flue gas purification function to the mixed fuel boiler burner, facilitating the purification of the flue gas, and reducing the pollution caused by the flue gas to the surrounding environment.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mixed fuel boiler burner, comprising a mixed fuel boiler body (1), characterized in that: A purification mechanism is provided on the outside of the mixed fuel boiler body (1); The purification mechanism comprises a heat exchange box (2) and a water washing box (3) fixedly connected to the mixed fuel boiler body (1); the top of the heat exchange box (2) is fixedly connected to a delivery pipe (4) fixedly connected to the mixed fuel boiler body (1); the interior of the heat exchange box (2) is fixedly connected to a serpentine heat exchange pipe (5); the right side of the heat exchange box (2) is fixedly connected to a water inlet pipe (6) and a drain pipe (7); the right side of the water washing box (3) is fixedly connected to an exhaust pipe (8); the other end of the exhaust pipe (8) is fixedly connected to a filter box (9) fixedly connected to the water washing box (3); an activated carbon adsorption plate (10) is inserted into the interior of the filter box (9); the right side of the filter box (9) is fixedly connected to a filter screen (11); and the bottom of the filter box (9) is fixedly connected to a discharge valve (12).

2. A mixed fuel boiler burner according to claim 1, characterized in that: A smoke exhaust port (101) is provided on the right side of the mixed fuel boiler body (1), and the delivery pipe (4) is connected to the mixed fuel boiler body (1) through the smoke exhaust port (101).

3. A mixed fuel boiler burner according to claim 1, characterized in that: Two communication holes are provided on the right side of the heat exchange box (2), and the water inlet pipe (6) and the drain pipe (7) are both connected to the heat exchange box (2) through the communication holes.

4. A mixed fuel boiler burner according to claim 1, characterized in that: The heat exchange box (2) and the water washing box (3) are provided with mounting holes on opposite sides thereof, and the other end of the serpentine heat exchange tube (5) passes through the mounting hole and penetrates the heat exchange box (2) and the water washing box (3).

5. A mixed fuel boiler burner according to claim 1, characterized in that: An exhaust port (301) is provided on the right side of the water washing box (3), and the exhaust pipe (8) is connected to the water washing box (3) through the exhaust port (301).

6. A mixed fuel boiler burner according to claim 1, characterized in that: A feed opening is provided at the bottom of the filter box (9), and the feed opening valve (12) is connected to the filter box (9) through the feed opening.

Images