CN221705794U - Integral pressure-bearing condensing boiler - Google Patents

Abstract

The utility model is applicable to the technical field of condensing boilers, and provides an integrated pressure-bearing condensing boiler, which comprises a boiler body; a water tank is arranged between the inner walls of the boiler body; the surface of the water tank is uniformly provided with vent holes; u-shaped plates are symmetrically fixed on the inner wall of the boiler body; a condensing heat exchange component is arranged between the two U-shaped plates in a sliding way; the condensing heat exchange assembly comprises two groups of fixing frames which are oppositely arranged; the fixing frame comprises a connecting plate which is arranged in the U-shaped plate in a sliding way; a condensation straight pipe is arranged between the two opposite semi-ring grooves; u-shaped connecting pieces are clamped between the end parts of two adjacent condensation straight pipes. The device is fixed each group of condensation straight pipes through two mounts, and adjacent condensation straight pipes are connected through the U-shaped condensation pipe, realize the dismouting type equipment of condensation heat exchange assembly, replace traditional condenser pipe integrated structural design, guaranteed the heat transfer length of current heat exchange pipe promptly, simultaneously, the dismouting clearance of being convenient for has improved condensation heat exchange assembly's life.

Description

Integral pressure-bearing condensing boiler

Technical Field

The utility model relates to the technical field of condensing boilers, in particular to an integrated pressure-bearing condensing boiler.

Background

The purpose of using heat energy is achieved by burning fuel gas or coal in a boiler and then absorbing the fuel gas or coal by water, but the mode has the problem of low energy utilization rate, and the latent heat energy contained in the water boiled in the boiler can be wasted if the water vapor generated by the water boiled in the boiler is directly discharged outside.

The condensing boiler utilizes the efficient flue gas condensation waste heat recovery device to absorb sensible heat in the tail smoke of the boiler and latent heat released by condensation of water vapor so as to achieve the aim of improving the heat efficiency of the boiler, however, the existing condensing tube is usually arranged in a zigzag and winding integrated mode, under the condition of long-time use, dirt can be formed inside to cause blockage, the cleaning is difficult, and the service life of the condensing tube is reduced, so that the use is influenced.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model aims to provide the integrated pressure-bearing condensing boiler which is characterized in that two fixing frames are used for fixing each group of condensing straight pipes, adjacent condensing straight pipes are connected through the U-shaped condensing pipes, so that the disassembly and assembly type assembly of the condensing heat exchange assembly is realized, the traditional integrated structure design of the condensing pipes is replaced, the heat exchange length of the traditional heat exchange pipes is ensured, meanwhile, the disassembly and assembly cleaning are convenient, and the service life of the condensing heat exchange assembly is prolonged.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

An integrated pressure-bearing condensing boiler comprises a boiler body; a water tank is arranged between the inner walls of the boiler body; the surface of the water tank is uniformly provided with vent holes; u-shaped plates are symmetrically fixed on the inner wall of the boiler body above the water tank; a condensing heat exchange component is slidably arranged between the two U-shaped plates; the condensing heat exchange assembly comprises two groups of fixing frames which are oppositely arranged; the fixing frame comprises a connecting plate which is arranged in the U-shaped plate in a sliding way; a fixed plate is fixed between two ends of the connecting plate; the side surface of the fixed plate is uniformly provided with a half ring groove; the two fixing plates are fixedly connected through a fastening bolt; a condensation straight pipe is arranged between the two opposite semi-ring grooves; and U-shaped connecting pieces are clamped between the end parts of two adjacent condensing straight pipes.

The utility model is further provided with: l-shaped handles are symmetrically arranged at two ends of the connecting plate; mounting holes are uniformly formed in the side face of the fixing plate; the two corresponding mounting holes on the fixing plates are fixedly connected through fastening bolts; annular plates are symmetrically arranged on the peripheral side surfaces of the condensation straight pipes.

The utility model is further provided with: fixing rings are symmetrically arranged at two ends of the condensation straight pipe; the surface of the fixed ring is provided with a connecting pipe coaxial with the condensation straight pipe; a sealing groove is formed in the inner peripheral side surface of the connecting pipe; the U-shaped connecting piece comprises a U-shaped condensing tube; and sealing rings matched with the sealing grooves are fixed on the peripheral side surfaces of the U-shaped condensing pipes close to the two ends of the U-shaped condensing pipes.

The utility model is further provided with: the end part of the connecting pipe is provided with an annular groove; mounting pipes are symmetrically fixed on the peripheral side surfaces of the U-shaped condensing pipes; and the end part of the mounting pipe is fixedly provided with a sealing ring which is in plug-in fit with the annular groove.

The utility model is further provided with: the peripheral side surface of the mounting pipe is provided with a first external thread; the peripheral side surface of the connecting pipe is provided with a second external thread; the second external thread is provided with a threaded pipe in a threaded rotation manner; the threaded pipe is in threaded rotation fit with the second external thread.

The utility model is further provided with: a maintenance port is formed in the side face of the boiler body; the side surface of the maintenance port is provided with a mounting groove; the side surface of the boiler body is fixed with a sealing cover through a fastening bolt; a sealing frame which is in plug-in fit with the mounting groove is fixed on the side surface of the sealing cover; a plurality of first positioning holes are formed in two opposite side surfaces of the sealing cover; a plurality of second positioning holes are formed in two opposite side surfaces of the boiler body; the first positioning holes and the second positioning holes are fixedly connected through fastening bolts.

The utility model is further provided with: the two opposite side surfaces of the water tank are sequentially provided with a water inlet pipe and a water outlet pipe in a penetrating way; a liquid inlet pipe and a liquid outlet pipe are sequentially and penetratingly arranged on one side surface of the boiler body; the water delivery pipes are arranged at one end parts of the liquid inlet pipe and the liquid outlet pipe, and the hoses are fixed at the other end parts of the liquid inlet pipe and the liquid outlet pipe; and the two hose ends are provided with connectors for screw connection of the ends of the condensing straight pipes.

The utility model is further provided with: the top of the boiler body is sequentially provided with a controller and an alarm, and the inside of the boiler body is provided with a pressure sensor; the side surface of the boiler body is provided with a pressure relief pipe in a penetrating way; the pressure relief pipe is provided with a pressure relief valve; the input end of the controller is electrically connected with the air pressure sensor, and the output end of the controller is electrically connected with the alarm and the pressure relief valve; the inner bottom of the boiler body is fixedly provided with a burner; the upper end of the burner is fixedly provided with a burner tip, and the bottom of the burner is connected with a gas pipeline.

The utility model has the advantages that:

1. according to the utility model, each group of condensation straight pipes are fixed through the two fixing frames, and the adjacent condensation straight pipes are connected through the U-shaped condensation pipes, so that the disassembly and assembly type assembly of the condensation heat exchange assembly is realized, the traditional integrated structure design of the condensation pipes is replaced, the heat exchange length of the traditional condensation heat exchange pipes is ensured, meanwhile, the disassembly and assembly cleaning are convenient, and the service life of the condensation heat exchange assembly is prolonged.

2. According to the utility model, due to the mechanism design of the sealing ring and the sealing groove, the tightness between the condensation straight pipe and the U-shaped condensation pipe is improved, and the tightness between the condensation straight pipe and the U-shaped condensation pipe is further improved through the threaded connection of the threaded pipe, the connecting pipe and the mounting pipe.

Drawings

Fig. 1 is a schematic structural view of an integrated pressure-bearing condensing boiler according to the present utility model.

Fig. 2 is a schematic structural diagram of an integral pressure-bearing condensing boiler according to the present utility model from a front view.

Fig. 3 is a schematic structural view of the boiler body according to the present utility model.

Fig. 4 is a schematic view of another angle of the boiler body according to the present utility model.

Fig. 5 is a schematic structural view of the sealing cap of the present utility model.

Fig. 6 is a schematic structural view of the condensing heat exchange assembly of the present utility model.

Fig. 7 is an enlarged view of area a of fig. 6 in accordance with the present utility model.

Fig. 8 is a schematic structural view of the fixing frame of the present utility model.

Fig. 9 is a schematic structural view of a condensing straight tube according to the present utility model.

Fig. 10 is a schematic structural view of the U-shaped connector of the present utility model.

In the figure: 1. a boiler body; 2. a water tank; 3. a vent hole; 4. a U-shaped plate; 5. condensing and heat exchanging components; 6. a fixing frame; 7. a connecting plate; 8. a fixing plate; 9. a half ring groove; 10. condensing straight pipes; 11. a U-shaped connector; 12. an L-shaped handle; 13. a mounting hole; 14. an annular plate; 15. a fixing ring; 16. a connecting pipe; 17. sealing grooves; 18. a U-shaped condenser tube; 19. a seal ring; 20. an annular groove; 21. installing a pipe; 22. a seal ring; 23. a first external thread; 24. a second external thread; 25. a threaded tube; 26. a maintenance port; 27. a mounting groove; 28. sealing cover; 29. a sealing frame; 30. a first positioning hole; 31. a second positioning hole; 32. a water inlet pipe; 33. a water outlet pipe; 34. a liquid inlet pipe; 35. a liquid outlet pipe; 36. a water pipe; 37. a hose; 38. a connector; 39. a controller; 40. an air pressure sensor; 41. a burner; 42. a burner; 43. a gas pipeline; 44. a pressure relief tube; 45. and a pressure release valve.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Example 1

Referring to fig. 1-10, the present utility model provides the following technical solutions:

In particular to an integrated pressure-bearing condensing boiler, which comprises a boiler body 1; a water tank 2 is arranged between the inner walls of the boiler body 1; the surface of the water tank 2 is uniformly provided with vent holes 3; the inner wall of the boiler body 1 is symmetrically fixed with a U-shaped plate 4 above the water tank 2; a condensation heat exchange assembly 5 is slidably arranged between the two U-shaped plates 4; the condensation heat exchange assembly 5 comprises two groups of fixing frames 6 which are oppositely arranged; the fixing frame 6 comprises a connecting plate 7 which is arranged in the U-shaped plate 4 in a sliding way; a fixed plate 8 is fixed between the two ends of the connecting plate 7; the side surface of the fixed plate 8 is uniformly provided with a half ring groove 9; the two fixing plates 8 are fixedly connected through fastening bolts; a condensation straight pipe 10 is arranged between the two opposite half ring grooves 9; u-shaped connecting pieces 11 are clamped between the end parts of two adjacent condensation straight pipes 10.

The specific application of this embodiment is: fix each group of condensation straight tube 10 through two mounts 6, adjacent condensation straight tube 10 passes through U-shaped connecting piece 11 to be connected, realizes the dismouting equipment of condensation heat transfer subassembly 5, replaces traditional condensation pipe integrated structural design, has guaranteed the heat transfer length of current condensation heat exchange tube promptly, simultaneously, the dismouting clearance of being convenient for has improved condensation heat transfer subassembly 5's life.

Example two

Referring to fig. 1 to 10, the second embodiment is modified from the first embodiment in that, specifically, two ends of the connecting plate 7 are symmetrically provided with L-shaped handles 12; mounting holes 13 are uniformly formed in the side face of the fixed plate 8; the corresponding mounting holes 13 on the two fixing plates 8 are fixedly connected through fastening bolts; annular plates 14 are symmetrically arranged on the peripheral side surfaces of the condensation straight pipes 10; fixing rings 15 are symmetrically arranged at two ends of the condensation straight pipe 10; the surface of the fixed ring 15 is provided with a connecting pipe 16 coaxial with the condensation straight pipe 10; a sealing groove 17 is formed in the inner peripheral side surface of the connecting pipe 16; the U-shaped connector 11 comprises a U-shaped condenser tube 18; sealing rings 19 matched with the sealing grooves 17 are fixed on the peripheral side surfaces of the U-shaped condensation pipes 18 near the two ends of the U-shaped condensation pipes; an annular groove 20 is formed at the end part of the connecting pipe 16; the peripheral side surface of the U-shaped condensation pipe 18 is symmetrically fixed with a mounting pipe 21; a sealing ring 22 which is in plug-in fit with the annular groove 20 is fixed at the end part of the mounting tube 21; the peripheral side surface of the mounting pipe 21 is provided with a first external thread 23; the peripheral side surface of the connecting pipe 16 is provided with a second external thread 24; the second external thread 24 is provided with a threaded pipe 25 in a threaded rotation manner; the threaded tube 25 is in threaded, running fit with the second external thread 24.

One specific application of this embodiment is: by placing each group of the condensation straight pipes 10 into the opposite semi-ring grooves 9 on the two fixing plates 8, so that the fixing plates 8 are arranged between the two annular plates 14, the two fixing plates 8 are fixed together through fastening bolts, the installation of each group of the condensation straight pipes 10 is realized, two ends of the U-shaped condensation pipe 18 are inserted into the end parts of the adjacent condensation straight pipes 10, the sealing rings 19 are placed into the matched sealing grooves 17, the tightness between the condensation straight pipes 10 and the U-shaped condensation pipe 18 is improved, and meanwhile, the sealing rings 22 are inserted into the annular grooves 20, so that the tightness between the condensation straight pipes 10 and the U-shaped condensation pipe 18 is further improved; by rotating the threaded pipe 25, the threaded pipe is rotated and lowered along the mounting pipe 21 and is in threaded connection with the connecting pipe 16, so that the tightness between the condensing straight pipe 10 and the U-shaped condensing pipe 18 is further improved; and the subsequent disassembly, assembly and cleaning of the condensation heat exchange assembly 5 are facilitated.

Example III

Referring to fig. 1 to 10, the third embodiment is modified from the first embodiment in that a maintenance port 26 is formed on a side surface of the boiler body 1; the side surface of the maintenance port 26 is provided with a mounting groove 27; the side surface of the boiler body 1 is fixed with a sealing cover 28 through a fastening bolt; a sealing frame 29 which is in plug-in fit with the mounting groove 27 is fixed on the side surface of the sealing cover 28; a plurality of first positioning holes 30 are formed on two opposite side surfaces of the sealing cover 28; a plurality of second positioning holes 31 are formed on two opposite side surfaces of the boiler body 1; the first positioning hole 30 and the second positioning hole 31 are fixedly connected through a fastening bolt; the two opposite side surfaces of the water tank 2 are sequentially provided with a water inlet pipe 32 and a water outlet pipe 33 in a penetrating way; a liquid inlet pipe 34 and a liquid outlet pipe 35 are sequentially arranged on one side surface of the boiler body 1 in a penetrating manner; the water delivery pipe 36 is arranged at one end of the liquid inlet pipe 34 and one end of the liquid outlet pipe 35, and the hose 37 is fixed at the other end of the liquid inlet pipe and the other end of the liquid outlet pipe; the ends of the two hoses 37 are provided with connectors 38 for screw connection of the ends of the condensation straight pipes 10; the top of the boiler body 1 is provided with a controller 39 and an alarm in sequence, and the inside of the boiler body is provided with a pressure sensor 40; the side surface of the boiler body 1 is provided with a pressure relief pipe 44 in a penetrating way; the pressure relief pipe 44 is provided with a pressure relief valve 45; the input end of the controller 39 is electrically connected with the air pressure sensor 40, and the output end of the controller is electrically connected with the alarm and the pressure relief valve 45; the burner 41 is fixedly installed at the inner bottom of the boiler body 1; the burner 41 has a burner tip 42 fixedly secured to its upper end and a gas pipe 43 connected to its bottom.

One specific application of this embodiment is: a certain amount of water is injected into the water tank 2 from the water inlet 32, then the burner 41 is communicated with fuel gas through a fuel gas pipeline 43, the fuel gas is combusted by the burner tip 42 at the hearth of the boiler body 1, the generated heat preferentially heats the water in the water tank 2, the water in the water tank 2 absorbs energy in the first step and is used, because the water in the water tank 2 is partially vaporized, water vapor flows upwards through the air holes 3, condensed water is introduced from the liquid inlet pipe 34, the water flows in the tortuous condensing straight pipe 10 and the U-shaped condensing pipe 18, heat energy in the steam is absorbed, and then the water flows out of the liquid outlet pipe 35 for people, and meanwhile, the water vapor is liquefied and is dripped into the water tank 2 again for recycling; when the air pressure in the boiler body 1 is too high, the air pressure sensor 40 transmits signals to the controller 39 to control the alarm to give an alarm, and meanwhile, the pressure release valve 45 is controlled to be opened, so that the safety performance of the device is improved.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (8)

1. An integrated pressure-bearing condensing boiler comprises a boiler body (1); the method is characterized in that:

A water tank (2) is arranged between the inner walls of the boiler body (1); the surface of the water tank (2) is uniformly provided with vent holes (3);

The inner wall of the boiler body (1) is positioned above the water tank (2) and is symmetrically fixed with a U-shaped plate (4); a condensation heat exchange assembly (5) is slidably arranged between the two U-shaped plates (4);

The condensation heat exchange assembly (5) comprises two groups of fixing frames (6) which are oppositely arranged; the fixing frame (6) comprises a connecting plate (7) which is arranged in the U-shaped plate (4) in a sliding way; a fixed plate (8) is fixed between the two ends of the connecting plate (7); the side surface of the fixed plate (8) is uniformly provided with a half ring groove (9); the two fixing plates (8) are fixedly connected through fastening bolts;

A condensation straight pipe (10) is arranged between the two opposite semi-ring grooves (9); u-shaped connecting pieces (11) are clamped between the end parts of two adjacent condensation straight pipes (10).

2. An integrated pressure-bearing condensing boiler according to claim 1, characterized by: l-shaped handles (12) are symmetrically arranged at two ends of the connecting plate (7); mounting holes (13) are uniformly formed in the side face of the fixing plate (8); the two corresponding mounting holes (13) on the fixing plates (8) are fixedly connected through fastening bolts; annular plates (14) are symmetrically arranged on the peripheral side surfaces of the condensation straight pipes (10).

3. An integrated pressure-bearing condensing boiler according to claim 2, characterized in that: fixing rings (15) are symmetrically arranged at two ends of the condensation straight pipe (10); the surface of the fixed ring (15) is provided with a connecting pipe (16) coaxial with the condensation straight pipe (10); a sealing groove (17) is formed in the inner peripheral side surface of the connecting pipe (16); the U-shaped connecting piece (11) comprises a U-shaped condensing tube (18); sealing rings (19) matched with the sealing grooves (17) are fixed on the peripheral side surfaces of the U-shaped condensing pipes (18) close to the two ends of the U-shaped condensing pipes.

4. An integrated pressure condensing boiler according to claim 3, characterized by: an annular groove (20) is formed in the end part of the connecting pipe (16); the peripheral side surface of the U-shaped condensation pipe (18) is symmetrically fixed with a mounting pipe (21); a sealing ring (22) which is in plug-in fit with the annular groove (20) is fixed at the end part of the mounting pipe (21).

5. An integrated pressure-bearing condensing boiler according to claim 4, characterized by: a first external thread (23) is arranged on the peripheral side surface of the mounting pipe (21); a second external thread (24) is arranged on the peripheral side surface of the connecting pipe (16); a threaded pipe (25) is rotatably arranged on the second external thread (24); the threaded pipe (25) is in threaded rotation fit with the second external thread (24).

6. An integrated pressure-bearing condensing boiler according to claim 1, characterized by: a maintenance port (26) is formed in the side face of the boiler body (1); the side surface of the maintenance port (26) is provided with a mounting groove (27); the side surface of the boiler body (1) is fixed with a sealing cover (28) through a fastening bolt; a sealing frame (29) which is in plug-in fit with the mounting groove (27) is fixed on the side surface of the sealing cover (28); a plurality of first positioning holes (30) are formed in two opposite side surfaces of the sealing cover (28); a plurality of second positioning holes (31) are formed in two opposite side surfaces of the boiler body (1); the first positioning holes (30) and the second positioning holes (31) are fixedly connected through fastening bolts.

7. An integrated pressure-bearing condensing boiler according to claim 1, characterized by: two opposite side surfaces of the water tank (2) are sequentially provided with a water inlet pipe (32) and a water outlet pipe (33) in a penetrating way; a liquid inlet pipe (34) and a liquid outlet pipe (35) are sequentially and penetratingly arranged on one side surface of the boiler body (1); one end of the liquid inlet pipe (34) and one end of the liquid outlet pipe (35) are respectively provided with a water delivery pipe (36), and the other ends of the liquid inlet pipe and the liquid outlet pipe are respectively fixed with a hose (37); the ends of the two hoses (37) are provided with connectors (38) for screw connection of the ends of the condensing straight pipes (10).

8. An integrated pressure-bearing condensing boiler according to claim 1, characterized by: the top of the boiler body (1) is sequentially provided with a controller (39) and an alarm, and the inside of the boiler body is provided with a pressure sensor (40); a pressure relief pipe (44) is arranged on the side surface of the boiler body (1) in a penetrating way; a pressure relief valve (45) is arranged on the pressure relief pipe (44); the input end of the controller (39) is electrically connected with the air pressure sensor (40), and the output end of the controller is electrically connected with the alarm and the pressure relief valve (45); the inner bottom of the boiler body (1) is fixedly provided with a burner (41); the upper end of the burner (41) is fixedly provided with a burner tip (42), and the bottom of the burner is connected with a gas pipeline (43).