CN217004500U

CN217004500U - Gas boiler with flue gas recirculation

Info

Publication number: CN217004500U
Application number: CN202220029309.3U
Authority: CN
Inventors: 康晓林
Original assignee: Xinjiang Shengli Zhiguang Environmental Protection Equipment Co ltd
Current assignee: Xinjiang Shengli Zhiguang Environmental Protection Equipment Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-07-19
Anticipated expiration: 2032-01-07

Abstract

The utility model discloses a flue gas recirculation gas boiler which comprises a boiler main body, a bearing base, an air inlet, a burner, a detachable flue gas filtering unit, an air outlet, an electric valve, a control button, an air preheater and a steam heating assembly. The utility model belongs to the technical field of gas boilers, and particularly relates to a flue gas recirculation gas boiler, which improves the working efficiency of flue gas recirculation and reduces the possibility of air pollution.

Description

Gas boiler with flue gas recirculation

Technical Field

The utility model belongs to the technical field of gas boilers, and particularly relates to a flue gas recirculation gas boiler.

Background

In order to increase the air pollution prevention and treatment strength, optimize the energy structure and effectively improve the utilization ratio of clean energy, the application of the industrial gas boiler in heating and industrial production is vigorously popularized by China. For coal fired boiler, gas fired boiler's particulate matter and the great reduction of sulphur gas emission, the environmental pollution rate has effectively been reduced, but still there is the nitrogen oxide emission scheduling problem that exceeds standard, and when carrying out flue gas circulation, the inconvenient dismantlement of filter is changed, influence the filterable effect of flue gas, and need use vapor when heating the flue gas, but outside water is not filtered the postheat and is appeared solid crystallization easily, the condition of being heated is influenced, lead to liquid water can't change into vapor completely, influence holistic flue gas circulation efficiency, consequently, a new flue gas recirculation gas fired boiler has been proposed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the flue gas recirculation gas boiler, which improves the working efficiency of flue gas recirculation and reduces the possibility of air pollution.

The technical scheme adopted by the utility model is as follows: the utility model relates to a flue gas recirculation gas boiler, which comprises a boiler main body, a detachable flue gas filtering unit, an air outlet, an air preheater and a steam heating assembly, wherein a bearing base is arranged on the lower wall of the boiler main body, an air inlet is arranged on the outer side of the boiler main body, a burner is arranged on the side wall of the boiler main body, the detachable flue gas filtering unit is arranged on the boiler main body, an air outlet and the steam heating assembly are arranged on the upper wall of the boiler main body, an electric valve is arranged on the air outlet, a control button is arranged on the front wall of the boiler main body, and the air preheater is arranged between the air inlet and the burner; the boiler is characterized in that a water inlet pipe is arranged between the air preheater and the steam heating assembly, a smoke inlet pipe is arranged between the air preheater and the detachable smoke filtering unit, and a smoke outlet pipe is arranged between the boiler main body and the detachable smoke filtering unit.

To further illustrate the present solution, the control button is connected to the burner, the removable flue gas filtration unit, the electrically operated valve and the air preheater.

Further, can dismantle flue gas filter unit includes rose box, the fixed subassembly of pressfitting, filters mounting bracket and closing plate, be equipped with the rose box on the lateral wall of boiler main part, be equipped with the fixed subassembly of pressfitting in the rose box, the card slides in the rose box and is equipped with the filtration mounting bracket, be equipped with filter and adsorption plate on the filtration mounting bracket, the one end of filtering the mounting bracket is equipped with the closing plate and with rose box sealing connection, be equipped with the pull handle on the closing plate.

Further, the fixed subassembly of pressfitting includes pressfitting fixed slot, pressfitting slip chamber, from reset spring, inclined plane spring bolt and snap ring, be equipped with the pressfitting fixed slot in the rose box, be equipped with the pressfitting slip chamber in the pressfitting fixed slot, be equipped with cylindrical sliding tray and square sliding tray in the pressfitting slip chamber, be equipped with the electro-magnet in the cylindrical sliding tray, it is flexible that the slip is equipped with flexible post in the cylindrical sliding tray, it is equipped with square sliding column and links to each other with flexible post to slide in the square sliding tray, from reset spring cup joint locate on flexible post and locate in the square sliding tray, the inclined plane spring bolt links to each other with square sliding column, the one end of filtering the mounting bracket is equipped with the snap ring, the inclined plane spring bolt can block in the snap ring.

Further, steam heating subassembly includes rotary change formula filtration, water inlet and water tank, the water inlet is located on the upper wall of boiler main part, the water tank is located in the boiler main part and is linked to each other with the water inlet, rotary change formula filtration is located on the water inlet.

Furthermore, the rotary replacement type filtering structure comprises a rotary replacement groove, a rotating shaft, a rotating motor, a sealing support ring and a filtering layer, wherein the rotary replacement groove is formed in the water inlet, the rotating shaft is arranged on the upper wall of the outer side of the water inlet, the output end of the rotating motor is connected with the rotating shaft, the sealing support ring is rotatably arranged on the rotating shaft, the filtering layer is arranged on the inner wall of the sealing support ring, and the width of the sealing support ring is equal to the width of the rotary replacement groove; and a sealing rubber layer is arranged on the outer side wall of the sealing support ring.

The utility model with the structure has the following beneficial effects: this scheme flue gas recirculation gas boiler has improved flue gas recirculation's work efficiency, has reduced air pollution's possibility, can dismantle flue gas filter unit and steam heating component through the setting, has improved flue gas recirculation gas boiler's use and has experienced, has effectively solved the problem that flue gas recirculation gas boiler is inefficiency in the existing market.

Drawings

FIG. 1 is a front cross-sectional view of a flue gas recirculation gas boiler of the present solution;

FIG. 2 is a front view of a flue gas recirculation gas boiler of the present solution;

FIG. 3 is an enlarged view of portion A of FIG. 1;

fig. 4 is a schematic view of a part of the structure of a flue gas recirculation gas boiler according to the present embodiment.

Wherein, 1, a boiler body, 2, a bearing base, 3, an air inlet, 4, a burner, 5, a detachable smoke filtering unit, 6, an air outlet, 7, an electric valve, 8, a control button, 9, an air preheater, 10, a steam heating component, 11, a filtering box, 12, a pressing fixed component, 13, a filtering mounting rack, 14, a filtering plate, 15, an adsorption plate, 16, a sealing plate, 17, a drawing handle, 18, a pressing fixed groove, 19, a pressing sliding cavity, 20, an electromagnet, 21, a telescopic column, 22, a square sliding column, 23, a self-resetting spring, 24, an inclined plane bolt, 25, a snap ring, 26, a cylindrical sliding groove, 27, a square sliding groove, 28, a rotary replacement type filtering structure, 29, a water inlet, 30, a water tank, 31, a rotary replacement groove, 32, a rotating shaft, 33, a rotating motor, 34, a sealing support ring, 35 and a filtering layer, 36. sealing rubber layer 37, water inlet pipe 38, smoke inlet pipe 39 and smoke outlet pipe.

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-4, the flue gas recirculation gas boiler of the present invention comprises a boiler main body 1, a detachable flue gas filtering unit 5, an air outlet 6, an air preheater 9 and a steam heating assembly 10, wherein a load-bearing base 2 is disposed on a lower wall of the boiler main body 1, an air inlet 3 is disposed on an outer side of the boiler main body 1, a burner 4 is disposed on a side wall of the boiler main body 1, the detachable flue gas filtering unit 5 is disposed on the boiler main body 1, the air outlet 6 and the steam heating assembly 10 are disposed on an upper wall of the boiler main body 1, an electric valve 7 is disposed on the air outlet 6, a control button 8 is disposed on a front wall of the boiler main body 1, and the air preheater 9 is disposed between the air inlet 3 and the burner 4; a water inlet pipe 37 is arranged between the air preheater 9 and the steam heating component 10, a smoke inlet pipe 38 is arranged between the air preheater 9 and the detachable smoke filtering unit 5, and a smoke outlet pipe 39 is arranged between the boiler main body 1 and the detachable smoke filtering unit 5.

To further illustrate the present solution, a control button 8 is connected to the burner 4, the removable flue gas filtration unit 5, the electrically operated valve 7 and the air preheater 9.

As shown in fig. 1, the detachable flue gas filtering unit 5 includes a filtering box 11, a press-fit fixing component 12, a filtering mounting frame 13 and a sealing plate 16, the filtering box 11 is disposed on the side wall of the boiler body 1, the press-fit fixing component 12 is disposed in the filtering box 11, the filtering mounting frame 13 is slidably disposed in the filtering box 11 in a snap-fit manner, a filtering plate 14 and an adsorption plate 15 are disposed on the filtering mounting frame 13, the sealing plate 16 is disposed at one end of the filtering mounting frame 13 and is connected to the filtering box 11 in a sealing manner, and a pull handle 17 is disposed on the sealing plate 16.

As shown in fig. 1, the press-fit fixing assembly 12 includes a press-fit fixing groove 18, a press-fit sliding cavity 19, a self-reset spring 23, an inclined plane lock tongue 24 and a snap ring 25, the press-fit fixing groove 18 is provided in the filter box 11, the press-fit sliding cavity 19 is provided in the press-fit fixing groove 18, a cylindrical sliding groove 26 and a square sliding groove 27 are provided in the press-fit sliding cavity 19, an electromagnet 20 is provided in the cylindrical sliding groove 26, a telescopic column 21 is slidably provided in the cylindrical sliding groove 26, a square sliding column 22 is slidably provided in the square sliding groove 27 and connected with the telescopic column 21, the self-reset spring 23 is sleeved on the telescopic column 21 and provided in the square sliding groove 27, the inclined plane lock tongue 24 is connected with the square sliding column 22, the snap ring 25 is provided at one end of the filter mounting frame 13, and the inclined plane lock tongue 24 can be snapped into the snap ring 25.

As shown in fig. 1, the steam heating assembly 10 includes a rotary replaceable filter structure 28, a water inlet 29 and a water tank 30, the water inlet 29 is disposed on the upper wall of the boiler body 1, the water tank 30 is disposed in the boiler body 1 and connected to the water inlet 29, and the rotary replaceable filter structure 28 is disposed on the water inlet 29.

As shown in fig. 2, the rotary replacement type filtering structure 28 includes a rotary replacement groove 31, a rotating shaft 32, a rotating motor 33, a sealing support ring 34 and a filter layer 35, the rotary replacement groove 31 is provided on the water inlet 29, the rotating shaft 32 is provided on the upper wall of the outer side of the water inlet 29, the output end of the rotating motor 33 is connected with the rotating shaft 32, the sealing support ring 34 is rotatably provided on the rotating shaft 32, the filter layer 35 is provided on the inner wall of the sealing support ring 34, and the width of the sealing support ring 34 is equal to the width of the rotary replacement groove 31; the outer side wall of the sealing support ring 34 is provided with a sealing rubber layer 36.

When the filter device is used specifically, a user starts the rotating motor 33 to rotate through the control button 8 to drive the sealing support ring 34 on the rotating shaft 32 to rotate, so that the filter layer 35 is driven to rotate, and the filter device is rapidly replaced; the boiler is in handling the flue gas, filter 14 adsorbs unnecessary impurity or solid impurity in to the flue gas with adsorption plate 15, then the flue gas after filtering enters into boiler main body 1 again and handles, after whole work is accomplished, the user passes through control button 8 and energizes electromagnet 20, the circular telegram of electromagnet 20 adsorbs flexible post 21 along cylindrical sliding tray 26, this moment from reset spring 23 shrink, flexible post 21 drives square sliding column 22 and removes to the direction that is close to electromagnet 20, square sliding column 22 drives inclined plane spring tongue 24 and removes to the direction that is close to electromagnet 20, snap ring 25 is released this moment, then the user will filter mounting bracket 13 and pull out through pull handle 17 and change the washing. The above is the overall working process of the utility model, and the steps are repeated when the device is used next time.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should be able to conceive of the present invention without creative design of the similar structural modes and embodiments without departing from the spirit of the present invention, and all such modifications should fall within the protection scope of the present invention.

Claims

1. A flue gas recirculation gas boiler, characterized in that: including boiler main part, bearing base, air intlet, combustor, can dismantle flue gas filter unit, gas outlet, electric valve, control button, air heater and steam heating subassembly, the bearing base is located on the lower wall of boiler main part, air intlet locates the outside of boiler main part, the combustor is located on the lateral wall of boiler main part, can dismantle flue gas filter unit and locate in the boiler main part, the gas outlet is located on the upper wall of boiler main part, electric valve locates on the gas outlet, control button locates on the antetheca of boiler main part, air heater locates between air intlet and the combustor, steam heating subassembly is located on the upper wall of boiler main part.

2. A flue gas recirculation gas boiler according to claim 1, characterized in that: the detachable flue gas filtering unit comprises a filtering box, a pressing fixing component, a filtering mounting frame, a filtering plate, an adsorption plate, a sealing plate and a drawing handle, wherein the filtering box is arranged on the side wall of the boiler main body, the pressing fixing component is arranged in the filtering box, the filtering mounting frame is clamped in the filtering box in a sliding manner, the filtering plate is arranged on the filtering mounting frame, the adsorption plate is arranged on the filtering mounting frame, the sealing plate is arranged at one end of the filtering mounting frame and is in sealing connection with the filtering box, and the drawing handle is arranged on the sealing plate.

3. A flue gas recirculation gas boiler according to claim 2, characterized in that: the fixed subassembly of pressfitting includes pressfitting fixed slot, pressfitting slip chamber, electro-magnet, flexible post, square slip post, from reset spring, inclined plane spring bolt and snap ring, the pressfitting fixed slot is located in the rose box, pressfitting slip chamber is located in the pressfitting fixed slot, be equipped with cylindrical sliding tray and square sliding tray in the pressfitting slip chamber, the electro-magnet is located in the cylindrical sliding tray, flexible slip of flexible post is located in the cylindrical sliding tray, square slip post links to each other and slides with flexible post and locates in the square sliding tray, from reset spring cup joint locate on flexible post and locate in the square sliding tray, the inclined plane spring bolt links to each other with square sliding tray, the one end of filtering the mounting bracket is located to the snap ring, the inclined plane spring bolt can block in the snap ring.

4. A flue gas recirculation gas boiler according to claim 3, characterized in that: the steam heating subassembly includes rotary replacement formula filtration, water inlet and water tank, the water inlet is located on the upper wall of boiler main part, the water tank is located in the boiler main part and is linked to each other with the water inlet, rotary replacement formula filtration is located on the water inlet.

5. A flue gas recirculation gas boiler according to claim 4, characterized in that: rotatory change formula filtration includes rotatory change groove, axis of rotation, rotation motor, sealed support ring and filter layer, rotatory change groove is located on the water inlet, the axis of rotation is located on the water inlet outside upper wall, the output that rotates the motor is connected with the axis of rotation, sealed support ring rotates and locates in the axis of rotation, the filter layer is located on the sealed support ring inner wall, the width of sealed support ring equals the width in rotatory change groove.

6. A flue gas recirculation gas boiler according to claim 5, characterized in that: and a sealing rubber layer is arranged on the outer side wall of the sealing support ring.

7. A flue gas recirculation gas boiler according to claim 6, characterized in that: be equipped with the inlet tube between air heater and the steam heating subassembly, air heater with can dismantle and be equipped with into tobacco pipe between the flue gas filter unit, boiler body with can dismantle and be equipped with out the tobacco pipe between the flue gas filter unit.

8. A flue gas recirculation gas boiler according to claim 1, characterized in that: the control button is connected with the burner, the detachable smoke filtering unit, the electric valve and the air preheater.