Boiler heat exchanger with cleaning function

Abstract

The utility model belongs to the field of boiler heat exchangers, and particularly relates to a boiler heat exchanger with a cleaning function, which comprises a heat exchange box, the upper end of the heat exchange box is hinged with two box covers which are symmetrically distributed front and back, the two box covers are contacted with each other, and a quick box opening mechanism is arranged on the heat exchange box. Flow dividing covers are slidably connected to the interiors of the left end and the right end of the heat exchange box, telescopic pipes are fixedly connected to the ends, away from the heat exchange box, of the flow dividing covers, heat exchange covers are slidably connected to the outer sides of the ends, located in the heat exchange box, of the flow dividing covers, and a heat exchange frame is jointly and fixedly connected between the two heat exchange covers. The hinged box cover is additionally arranged on the heat exchange box, the box cover is limited through the limiting columns and the lower pressing strips, when the box cover needs to be arranged to clean the interior of the heat exchange box, only the limiting columns need to be separated from the lower pressing strips, then the box cover can be opened conveniently, and therefore the heat exchange box can be cleaned more conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler heat exchangers, in particular to a boiler heat exchanger with a cleaning function. Background Art

[0002] According to the boiler heat exchanger proposed by patent authorization announcement number: CN205537229U, the utility model discloses a boiler heat exchanger, including a cavity; a heat exchange liner is installed inside the cavity; the heat exchange liner includes an upper plate and a lower plate; a plurality of heat exchange tubes are arranged at intervals between the upper plate and the lower plate; an air inlet cavity and an air outlet cavity are arranged on both sides of the cavity; a gas measurement cavity is arranged on the inside of the cavity at the upper part of the heat exchange liner; a gas quality detection probe is arranged in the gas measurement cavity; the gas quality detection probe is electrically connected to a controller. The boiler heat exchanger of the utility model arranges a plurality of heat exchange tubes, and when the new air is exchanging heat, the heat exchange tubes are horizontally flushed, so that most of the heat of the exhaust pipe can be recovered, and the heat recovery effect is good. A gas measurement cavity is separately arranged at the exhaust output end to ensure the accuracy of the measurement, and the data is used to adjust the boiler combustion condition.

[0003] During the use of the boiler heat exchanger in the prior art, scale will be generated inside the heat exchanger, which needs to be cleaned regularly. However, during the cleaning process, the heat exchange frame inside the heat exchanger is fixedly installed inside the heat exchange box, and the box cover is installed on the upper end of the cleaning box by bolts. There will be dead corners during the cleaning of the heat exchange frame, which affects the cleaning effect. Therefore, it is necessary to improve the prior art. Utility Model Content

[0004] The utility model aims to provide a boiler heat exchanger with a cleaning function, which solves the problem that the box cover is inconvenient to open and there are easy cleaning dead corners.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a boiler heat exchanger with a cleaning function, comprising a heat exchange box, the upper end of the heat exchange box is hinged with two box covers symmetrically distributed front and back, the two box covers are in contact with each other, a quick box opening mechanism is arranged on the heat exchange box, both left and right ends of the heat exchange box are slidably connected with diverter covers, one end of the diverter cover away from the heat exchange box is fixedly connected with a telescopic pipe, the outer side of one end of the diverter cover located inside the heat exchange box is slidably connected with a heat exchange cover, and a heat exchange frame is fixedly connected between the two heat exchange covers The left and right ends of the heat exchange box are fixedly connected with hard sealing rings, the inside of the heat exchange cover is fixedly connected with a flexible sealing ring, the back of the heat exchange box is fixedly connected with two fixed frames symmetrically distributed on the left and right, the inside of the fixed frame is installed with a screw through a bearing, the back of the diverter cover is fixedly connected with a driving frame, the inside of the driving frame is fixedly connected with a threaded pipe, the outside of the fixed frame is fixedly installed with a motor, the upper end of the diverter cover is fixedly connected with a guide frame, the front of the heat exchange box is fixedly connected with a water inlet pipe, and the front of the heat exchange box is fixedly connected with a drain pipe.

[0006] Preferably, the heat exchange cover is slidably connected to the heat exchange box, and the upper end of the heat exchange cover is fixedly connected with two symmetrically distributed lifting rings, and the heat exchange cover and the heat exchange frame can be lifted by the lifting rings for cleaning.

[0007] Preferably, the hard sealing ring is slidably connected to the diverter cover, and the flexible sealing ring is in contact with the diverter cover. The hard sealing ring and the flexible sealing ring can increase the sealing performance of the diverter cover.

[0008] Preferably, the guide frame is internally slidably connected with a guide rod, the guide rod is fixedly connected to the heat exchange box, the screw is threadedly connected to the threaded tube, the output shaft of the motor is fixedly connected to the screw, and the motor can drive the screw to rotate forward and reverse, which belongs to the prior art.

[0009] Preferably, the quick opening mechanism includes a lower pressure strip, the upper ends of the two box covers are slidably connected to the lower pressure strip, the interior of the heat exchange box is slidably connected to a reset frame, the outer side of the connecting rod of the reset frame is fixedly connected to a limiting frame, the side of the limit frame close to the lower pressure strip is fixedly connected to a limiting column, a spring is provided on the outer side of the connecting rod of the reset frame, and a handle is fixedly connected to the side of the limit frame away from the heat exchange box, and the handle can drive the limit column to move through the limit frame.

[0010] Preferably, the limit column is slidably connected to the lower pressure strip, the limit frame is in contact with both the heat exchange box and the lower pressure strip, one end of the spring is fixedly connected to the reset frame, and the other end of the spring is fixedly connected to the heat exchange box, and the spring can drive the reset frame to automatically reset through elastic force.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model adds a hinged box cover to the heat exchange box, and limits the box cover by limiting the position of the limit column and the lower pressure strip. When the box cover needs to be opened to clean the inside of the heat exchange box, it is only necessary to separate the limit column from the lower pressure strip, and then the box cover can be conveniently opened, so that it can be said that the cleaning of the heat exchange box is more convenient.

[0013] 2. The utility model adds a flow divider hood, a screw rod, a drive frame and other structures to the heat exchange box. When cleaning is required, the flow divider hood can be moved through the threaded cooperation between the screw rod and the threaded tube, and the limit on the heat exchange hood can be released. Then, the heat exchange hood and the heat exchange frame can be lifted by the lifting ring, thereby effectively avoiding cleaning dead corners. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 A three-dimensional diagram of the local structure;

[0016] Figure 3 For the utility model Figure 2 A three-dimensional diagram of a heat exchange cover and a heat exchange frame;

[0017] Figure 4 For the utility model Figure 1 A frontal enlarged cross-sectional view of a local structure;

[0018] Figure 5 For the utility model Figure 4 A-section structure enlarged view.

[0019] In the figure: 1. heat exchange box; 2. box cover; 3. quick opening mechanism; 4. diverter hood; 5. telescopic pipe; 6. heat exchange hood; 7. heat exchange frame; 8. lifting ring; 9. hard sealing ring; 10. flexible sealing ring; 11. fixing frame; 12. driving frame; 13. threaded pipe; 14. screw; 15. motor; 16. water inlet pipe; 17. drain pipe; 18. guide frame; 19. guide rod; 31. lower pressure strip; 32. reset frame; 33. limit frame; 34. limit column; 35. handle; 36. spring. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 A boiler heat exchanger with a cleaning function comprises a heat exchange box 1. Two box covers 2 symmetrically distributed front and back are hinged on the upper end of the heat exchange box 1. The two box covers 2 are in contact with each other. A quick opening mechanism 3 is provided on the heat exchange box 1. Divider covers 4 are slidably connected to the inside of the left and right ends of the heat exchange box 1. A telescopic pipe 5 is fixedly connected to the end of the diverter cover 4 away from the heat exchange box 1. A heat exchange cover 6 is slidably connected to the outside of the end of the diverter cover 4 located inside the heat exchange box 1. A heat exchange frame 7 is fixedly connected between the two heat exchange covers 6. A rigid Sealing ring 9, a flexible sealing ring 10 is fixedly connected to the inside of the heat exchange cover 6, two symmetrically distributed fixing frames 11 are fixedly connected to the back of the heat exchange box 1, a screw 14 is installed inside the fixing frame 11 through a bearing, a driving frame 12 is fixedly connected to the back of the diverter cover 4, a threaded pipe 13 is fixedly connected to the inside of the driving frame 12, a motor 15 is fixedly installed on the outside of the fixing frame 11, a guide frame 18 is fixedly connected to the upper end of the diverter cover 4, a water inlet pipe 16 is fixedly connected to the front of the heat exchange box 1, and a drain pipe 17 is fixedly connected to the front of the heat exchange box 1.

[0022] See also Figure 1 , Figure 2 , Figure 3 The heat exchange cover 6 is slidably connected to the heat exchange box 1. Two symmetrically distributed lifting rings 8 are fixedly connected to the upper end of the heat exchange cover 6. The heat exchange cover 6 and the heat exchange frame 7 can be lifted by the lifting rings 8 for cleaning. The hard sealing ring 9 is slidably connected to the diverter cover 4. The flexible sealing ring 10 is in contact with the diverter cover 4. The hard sealing ring 9 and the flexible sealing ring 10 can increase the sealing of the diverter cover 4. The guide frame 18 is internally slidably connected with a guide rod 19. The guide rod 19 is fixedly connected to the heat exchange box 1. The screw 14 is threadedly connected to the threaded tube 13. The output shaft of the motor 15 is fixedly connected to the screw 14. The motor 15 can drive the screw 14 to rotate forward and reverse, which belongs to the prior art.

[0023] See also Figure 1 , Figure 4 , Figure 5The quick opening mechanism 3 includes a lower pressing strip 31, the upper ends of the two box covers 2 are slidably connected with the lower pressing strip 31, and the interior of the heat exchange box 1 is slidably connected with a reset frame 32, the outer side of the connecting rod of the reset frame 32 is fixedly connected to the limiting frame 33, and the side of the limiting frame 33 close to the lower pressing strip 31 is fixedly connected to the limiting column 34, and a spring 36 is provided on the outer side of the connecting rod of the reset frame 32, and the side of the limiting frame 33 away from the heat exchange box 1 is fixedly connected to a handle 35, and the handle 35 can drive the limiting column 34 to move through the limiting frame 33, and the limiting column 34 is slidably connected to the lower pressing strip 31, and the limiting frame 33 contacts both the heat exchange box 1 and the lower pressing strip 31, one end of the spring 36 is fixedly connected to the reset frame 32, and the other end of the spring 36 is fixedly connected to the heat exchange box 1, and the spring 36 can drive the reset frame 32 to automatically reset through elastic force.

[0024] The specific implementation process of the utility model is as follows: when it is necessary to clean the interior of the heat exchange box 1, pull the handle 35, and the handle 35 drives the limiting column 34 to move through the limiting frame 33, and compresses the spring 36. When the limiting column 34 is separated from the lower pressure strip 31, the lower pressure strip 31 can be removed, and then the box cover 2 is flipped open. After opening, start the motor 15, and the motor 15 drives the screw 14 to rotate. During the rotation, the screw 14 can drive the driving frame 12 to move through the threaded cooperation with the threaded tube 13. During the movement, the driving frame 12 can drive the diverter hood 4 to move. When the diverter hood 4 slides out from the interior of the heat exchange hood 6, the heat exchange hood 6 and the heat exchange frame 7 are lifted out from the interior of the heat exchange box 1 by the lifting equipment, so that the equipment can be conveniently cleaned and residual dead corners can be avoided.

[0025] 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 boiler heat exchanger with a cleaning function, comprising a heat exchange box (1), characterized in that: The upper end of the heat exchange box (1) is hinged with two box covers (2) symmetrically distributed front and back, the two box covers (2) are in contact with each other, and a quick box opening mechanism (3) is provided on the heat exchange box (1). The left and right ends of the heat exchange box (1) are slidably connected to the inside with a diverter cover (4), and the end of the diverter cover (4) away from the heat exchange box (1) is fixedly connected to a telescopic pipe (5), and the end of the diverter cover (4) located inside the heat exchange box (1) is slidably connected to a heat exchange cover (6) on the outside, and a heat exchange frame (7) is fixedly connected between the two heat exchange covers (6), and the left and right ends of the heat exchange box (1) are fixedly connected to a hard sealing ring (9), and the heat exchange cover ( 6) is fixedly connected to the inside of a flexible sealing ring (10); the back of the heat exchange box (1) is fixedly connected to two fixed frames (11) symmetrically distributed on the left and right; the inside of the fixed frame (11) is equipped with a screw (14) through a bearing; the back of the diverter hood (4) is fixedly connected to a drive frame (12); the inside of the drive frame (12) is fixedly connected to a threaded pipe (13); the outside of the fixed frame (11) is fixedly installed with a motor (15); the upper end of the diverter hood (4) is fixedly connected to a guide frame (18); the front of the heat exchange box (1) is fixedly connected to a water inlet pipe (16); and the front of the heat exchange box (1) is fixedly connected to a drain pipe (17).

2. The boiler heat exchanger with cleaning function according to claim 1, characterized in that: The heat exchange cover (6) is slidably connected to the heat exchange box (1), and the upper end of the heat exchange cover (6) is fixedly connected to two symmetrically distributed suspension rings (8).

3. The boiler heat exchanger with cleaning function according to claim 1, characterized in that: The hard sealing ring (9) is slidably connected to the diverter cover (4), and the flexible sealing ring (10) is in contact with the diverter cover (4).

4. The boiler heat exchanger with cleaning function according to claim 1, characterized in that: A guide rod (19) is slidably connected inside the guide frame (18), the guide rod (19) is fixedly connected to the heat exchange box (1), the screw rod (14) is threadedly connected to the threaded tube (13), and the output shaft of the motor (15) is fixedly connected to the screw rod (14).

5. The boiler heat exchanger with cleaning function according to claim 1, characterized in that: The quick box opening mechanism (3) comprises a lower pressure strip (31), the upper ends of the two box covers (2) are slidably connected to the lower pressure strip (31), the interior of the heat exchange box (1) is slidably connected to a reset frame (32), the outer side of a connecting rod of the reset frame (32) is fixedly connected to a limiting frame (33), the side of the limiting frame (33) close to the lower pressure strip (31) is fixedly connected to a limiting column (34), the outer side of the connecting rod of the reset frame (32) is provided with a spring (36), and the side of the limiting frame (33) away from the heat exchange box (1) is fixedly connected to a handle (35).

6. The boiler heat exchanger with cleaning function according to claim 5, characterized in that: The limiting column (34) is slidably connected to the lower pressure strip (31), the limiting frame (33) is in contact with both the heat exchange box (1) and the lower pressure strip (31), one end of the spring (36) is fixedly connected to the reset frame (32), and the other end of the spring (36) is fixedly connected to the heat exchange box (1).

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