CN215863348U

CN215863348U - Heat energy recovery system of steam boiler

Info

Publication number: CN215863348U
Application number: CN202122007543.4U
Authority: CN
Inventors: 黄尚勇
Original assignee: Yongqing Baiyifeng Glass Beads Co ltd
Current assignee: Yongqing Baiyifeng Glass Beads Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-02-18
Anticipated expiration: 2031-08-25

Abstract

The utility model relates to the technical field of steam boilers, and discloses a heat energy recovery system of a steam boiler, which comprises a steam boiler and a flue gas pipeline, wherein the upper left end of the steam boiler is connected with the flue gas pipeline, the upper end of the flue gas pipeline is connected with a heat energy recovery box, the upper right end of the heat energy recovery box is connected with a conveying pipeline, the right end of the conveying pipeline is connected with a heat exchange box, the upper end of the heat exchange box is connected with a hot water outlet, the bottom of the heat exchange box is connected with a cold water input pipeline, the tail end of the cold water input pipeline is connected with a water tank, and the upper end of the water tank is provided with a filling port. And the standard emission is detected, so that the method has environmental protection.

Description

Heat energy recovery system of steam boiler

Technical Field

The utility model relates to the technical field of steam boilers, in particular to a heat energy recovery system of a steam boiler.

Background

Steam boilers are boiler equipment which produces steam through combustion, and the steam boilers are often used in cooperation with heat energy recovery systems, and although the types of the heat energy recovery systems of the steam boilers are various, the requirements of users cannot be met.

When the existing steam boiler heat energy recovery system is used, the heat in the flue gas cannot be efficiently recycled, the particle impurities in the cooled flue gas cannot be filtered, the air quality cannot be detected, and the environment-friendly performance is not achieved, so that the heat energy recovery system of the steam boiler is urgently needed to solve the defects.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a heat energy recovery system of a steam boiler, which solves the problems that the heat energy in the flue gas cannot be efficiently recycled, the particle impurities in the cooled flue gas cannot be filtered, the air quality cannot be detected, and the environmental protection cannot be realized in the conventional heat energy recovery system of the steam boiler.

The utility model provides the following technical scheme: the utility model provides a steam boiler's heat recovery system, includes steam boiler and flue gas pipeline, steam boiler's upper left end is connected with flue gas pipeline, flue gas pipeline's upper end is connected with heat recovery case, heat recovery case's upper right end is connected with pipeline, pipeline's right-hand member is connected with the heat transfer case, the upper end of heat transfer case is connected with the hot water export, the bottom of heat transfer case is connected with cold water input pipeline, the end-to-end connection of cold water input pipeline has the water tank, the filler has been seted up to the upper end of water tank, the inside of heat transfer case is provided with the spiral heat exchange tube, the right-hand member of heat transfer case is connected with the blast pipe, the right-hand member of blast pipe is connected with air purifier, air purifier's gas outlet is linked together with one side of exhausting the chimney.

Preferably, the upper left end of the heat energy recovery box is connected with an air duct, and the tail end of the air duct is connected with an air blower.

Preferably, a water delivery pump is installed on the cold water input pipeline.

Preferably, the water inlet of the spiral heat exchange pipe is communicated with a cold water input pipeline, and the water outlet of the spiral heat exchange pipe is connected with a hot water outlet.

Preferably, the upper right side of the exhaust chimney is connected with an inspection pipe, the bottom of the inspection pipe is connected with a vent pipe, and the lower end of the vent pipe is connected with an air quality detector.

Preferably, the left lower end of the heat energy recovery box is connected with a return pipe, and the tail end of the return pipe is connected with a furnace pipe of a steam boiler.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model can realize the high-efficiency recycling of heat in the flue gas by arranging the inspection pipe, the vent pipe, the air quality detector, the air purifier, the air blower and the return pipe and utilizing the mutual cooperation of the inspection pipe, the vent pipe, the air quality detector, the air purifier, the air blower and the return pipe, and can filter particle impurities in the cooled flue gas and detect the emission reaching the standard, so that the utility model has environmental protection.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the heat exchange box of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. a steam boiler; 2. a flue gas duct; 3. a return pipe; 4. a heat energy recovery tank; 5. an air duct; 6. a blower; 7. a delivery conduit; 8. a heat exchange box; 9. a hot water outlet; 10. a cold water input pipe; 11. a water delivery pump; 12. a water tank; 13. a filling port; 14. an exhaust pipe; 15. an air purifier; 16. an exhaust chimney; 17. a spiral heat exchange tube; 18. an inspection tube; 19. a breather pipe; 20. an air quality detector.

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. The drawings are only for purposes of illustration and are not intended to be limiting, certain elements of the drawings may be omitted, enlarged or reduced to better illustrate the embodiments of the present invention, and do not represent the size of the actual product, and it is understood that some well-known structures, elements and descriptions thereof in the drawings may be omitted for persons skilled in the art.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly, detachably, integrally, mechanically, electrically, directly or indirectly through intervening media, or as a communication between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-3, a heat energy recovery system of a steam boiler comprises a steam boiler 1 and a flue gas pipeline 2, the flue gas pipeline 2 is connected to the upper left end of the steam boiler 1, a heat energy recovery tank 4 is connected to the upper end of the flue gas pipeline 2, a conveying pipeline 7 is connected to the upper right end of the heat energy recovery tank 4, a heat exchange tank 8 is connected to the right end of the conveying pipeline 7, a hot water outlet 9 is connected to the upper end of the heat exchange tank 8, a cold water input pipeline 10 is connected to the bottom of the heat exchange tank 8, a water tank 12 is connected to the end of the cold water input pipeline 10, a filling port 13 is formed in the upper end of the water tank 12, a spiral heat exchange pipe 17 is arranged inside the heat exchange tank 8, an exhaust pipe 14 is connected to the right end of the heat exchange tank 8, the right end of the exhaust pipe 14 is connected to an air purifier 15, an air outlet of the air purifier 15 is communicated with one side of an exhaust chimney 16, an air pipe 5 is connected to the upper left end of the heat energy recovery tank 4, the tail end of the air duct 5 is connected with an air blower 6, a water delivery pump 11 is installed on a cold water input pipeline 10, a water inlet of a spiral heat exchange tube 17 is communicated with the cold water input pipeline 10, a water outlet of the spiral heat exchange tube 17 is connected with a hot water outlet 9, the upper right side of the exhaust chimney 16 is connected with an inspection tube 18, the bottom of the inspection tube 18 is connected with a vent pipe 19, the lower end of the vent pipe 19 is connected with an air quality detector 20, the left lower end of the heat energy recovery box 4 is connected with a return pipe 3, the tail end of the return pipe 3 is connected with a furnace pipe of the steam boiler 1, and by means of mutual cooperation between the return pipe and the furnace pipe, high-efficiency recovery and utilization of heat in smoke can be achieved, particle impurities in the cooled smoke can be filtered, standard emission can be detected, and the environment friendliness is achieved.

The working principle and the using process of the utility model are as follows: firstly, flue gas generated during combustion of a steam boiler 1 enters a heat energy recovery box 4 from a flue gas pipeline 2, at the moment, an air blower 6 is started to blow air into the heat energy recovery box 4 through an air duct 5, and a part of the flue gas containing heat energy and air flow back into a furnace pipe of the steam boiler 1 from a return pipe 3 for utilization, the other part of the flue gas in the heat energy recovery box 4 is conveyed into a heat exchange box 8 from a conveying pipeline 7, then a water conveying pump 11 is started to convey water in a water tank 12 into a spiral heat exchange pipe 17 in the heat exchange box 8 through a cold water input pipeline 10, the flue gas containing heat heats cold water in the spiral heat exchange pipe 17, the heated hot water is discharged from a hot water outlet 9, the cooled flue gas is conveyed into an air purifier 15 through an exhaust pipe 14 for purification treatment, the treated gas is discharged from an exhaust chimney 16, at the moment, the collected gas is conveyed to an air quality detector 20 through an inspection pipe 18 for detection, those not described in detail in this specification are within the skill of the art.

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.

Claims

1. A heat energy recovery system of a steam boiler comprises a steam boiler (1) and a flue gas pipeline (2), and is characterized in that; the upper left end of the steam boiler (1) is connected with a flue gas pipeline (2), the upper end of the flue gas pipeline (2) is connected with a heat energy recovery box (4), the right upper end of the heat energy recovery box (4) is connected with a conveying pipeline (7), the right end of the conveying pipeline (7) is connected with a heat exchange box (8), the upper end of the heat exchange box (8) is connected with a hot water outlet (9), the bottom of the heat exchange box (8) is connected with a cold water input pipeline (10), the tail end of the cold water input pipeline (10) is connected with a water tank (12), the upper end of the water tank (12) is provided with a filling port (13), a spiral heat exchange pipe (17) is arranged inside the heat exchange box (8), the right end of the heat exchange box (8) is connected with an exhaust pipe (14), the right end of the exhaust pipe (14) is connected with an air purifier (15), and an air outlet of the air purifier (15) is communicated with one side of the exhaust chimney (16).

2. A heat energy recovery system for a steam boiler according to claim 1, wherein: the left upper end of the heat energy recovery box (4) is connected with an air duct (5), and the tail end of the air duct (5) is connected with an air blower (6).

3. A heat energy recovery system for a steam boiler according to claim 1, wherein: and a water delivery pump (11) is arranged on the cold water input pipeline (10).

4. A heat energy recovery system for a steam boiler according to claim 1, wherein: the water inlet of the spiral heat exchange pipe (17) is communicated with a cold water input pipeline (10), and the water outlet of the spiral heat exchange pipe (17) is connected with a hot water outlet (9).

5. A heat energy recovery system for a steam boiler according to claim 1, wherein: an inspection pipe (18) is connected to the upper right side of the exhaust chimney (16), a ventilation pipe (19) is connected to the bottom of the inspection pipe (18), and an air quality detector (20) is connected to the lower end of the ventilation pipe (19).

6. A heat energy recovery system for a steam boiler according to claim 1, wherein: the left lower end of the heat energy recovery box (4) is connected with a return pipe (3), and the tail end of the return pipe (3) is connected with a furnace pipe of the steam boiler (1).