Full-premixing condensation hot water boiler convenient to clean

Abstract

The utility model discloses a full-premixing condensation hot water boiler convenient to clean, which relates to the technical field of condensation hot water boilers and comprises a boiler shell, a water supply pipe for water flow to enter is arranged at the top end of the boiler shell, a driving motor is mounted at the bottom of the boiler shell through a connecting frame, and a cleaning mechanism is arranged in the boiler shell. The cleaning mechanism is used for cleaning scale in the inner cavity of the boiler shell; the cleaning mechanism comprises a guide unit and a cleaning unit; and the guide unit is used for providing movement thrust for the up-down movement of the cleaning unit. Through the arrangement of the cleaning mechanism, when scale attached to the inner cavity of the boiler shell needs to be cleaned, the driving motor is used for driving the cleaning rod and the cleaning head to rotate, the movement track of manual cleaning is simulated, the attached scale is cleaned, the boiler shell does not need to be opened manually, and the working efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of condensing hot water boilers, in particular to a fully premixed condensing hot water boiler which is convenient to clean. Background Art

[0002] Condensing hot water boiler is a highly efficient heating equipment with many advantages, such as high efficiency, energy saving, environmental protection, etc. It uses an efficient flue gas condensation waste heat recovery device to absorb the sensible heat in the exhaust gas at the tail of the boiler and the latent heat released by the condensation of water vapor to achieve the purpose of improving the thermal efficiency of the boiler.

[0003] However, when utilizing the waste heat from flue gas condensation for heat recovery, after long-term use, dirt and sediment are easily formed inside the boiler due to the influence of factors such as the use environment and water quality, resulting in a decrease in heat conversion efficiency. Dirt adheres to the inner cavity of the boiler and is difficult to clean, and the traditional cleaning structure has a single cleaning direction. Therefore, the utility model proposes a fully premixed condensing hot water boiler that is easy to clean. Utility Model Content

[0004] The purpose of the utility model is to provide a fully premixed condensing hot water boiler that is easy to clean in order to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fully premixed condensing hot water boiler that is easy to clean, comprising a boiler shell, a water supply pipe for water flow to enter is arranged at the top of the boiler shell, a driving motor is installed at the bottom of the boiler shell through a connecting frame, and a cleaning mechanism is arranged inside the boiler shell, and the cleaning mechanism is used to clean the scale in the inner cavity of the boiler shell;

[0006] The cleaning mechanism comprises a guiding unit and a cleaning unit;

[0007] The guide unit is used to provide motion thrust for the up and down movement of the cleaning unit;

[0008] The cleaning unit is used to clean the inner cavity of the boiler shell under the thrust of the guide unit.

[0009] As a further solution of the utility model: the guide unit includes a rotating rod, a fixed rod, a guide groove, a guide block, and a movable plate;

[0010] The rotating rod is connected to the output end of the driving motor through a rotating shaft and a coupling and extends to the inner cavity of the boiler shell. The rotating rod is used to give the cleaning rod a rotating thrust;

[0011] The fixing rod is connected to the top of the inner cavity of the boiler shell through a mounting bracket, and the fixing rod extends to the hollow inner cavity of the rotating rod;

[0012] The guide groove is formed on the outer wall of the fixing rod, and is used to provide guidance for the upward and downward movement of the guide block;

[0013] The guide block is slidably connected to the inner cavity of the guide groove and passes through the rotating rod to the outside of the rotating rod, and the guide block is used to synchronously drive the cleaning rod to move;

[0014] The movable plate is fixed on the outer wall of the guide block and fits with the outer wall of the rotating rod. The movable plate is used to seal the hole groove on the outer wall of the rotating rod.

[0015] As a further solution of the utility model: the cleaning unit includes a cleaning rod and a cleaning head;

[0016] The cleaning rod is fixed to the end of the guide block, and the cleaning rod is used to synchronously drive the cleaning head to move;

[0017] The cleaning head is fixed to the end of the cleaning rod and is in contact with the inner wall of the inner cavity of the boiler shell. The cleaning head in a rotating state is used to clean the inner cavity of the boiler shell.

[0018] As a further solution of the utility model: the outer wall of the rotating rod is formed with a sliding groove for the vertical movement of the guide block, and the length and width of the movable plate are greater than the sliding groove for the vertical movement of the guide block.

[0019] As a further solution of the utility model: the number of the guide grooves is multiple, and the multiple guide grooves are evenly distributed vertically on the outer wall of the fixing rod.

[0020] As a further solution of the utility model: the guide groove is a double-thread structure, which allows the guide block to move reciprocally up and down.

[0021] As a further solution of the utility model: the inner cavity of the rotating rod is hollow, and a rotating space for the fixed rod to rotate is formed inside the rotating rod.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] By setting up a cleaning mechanism, when it is necessary to clean the scale attached to the inner cavity of the boiler shell, the driving motor can be used to drive the cleaning rod and the cleaning head to rotate, thereby simulating the motion trajectory of manual cleaning, and cleaning the attached scale without manually opening the boiler shell, thereby further improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 This is a cross-sectional view of the inner cavity structure of the boiler of the utility model;

[0026] Figure 3 It is a structural schematic diagram of the cleaning mechanism of the utility model.

[0027] In the figure: 1. boiler shell; 2. water supply pipe; 3. drive motor; 4. cleaning mechanism; 401. rotating rod; 402. fixed rod; 403. guide groove; 404. guide block; 405. cleaning rod; 406. cleaning head; 407. movable plate. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figure 1-Figure 3 In the embodiment of the utility model, a fully premixed condensing hot water boiler that is easy to clean includes a boiler shell 1, a water supply pipe 2 for water flow to enter is arranged at the top of the boiler shell 1, a driving motor 3 is installed at the bottom of the boiler shell 1 through a connecting frame, and a cleaning mechanism 4 is arranged inside the boiler shell 1, and the cleaning mechanism 4 is used to clean the scale in the inner cavity of the boiler shell 1;

[0030] The cleaning mechanism 4 includes a guiding unit and a cleaning unit;

[0031] The guide unit is used to provide motion thrust for the up and down movement of the cleaning unit;

[0032] The cleaning unit is used to clean the inner cavity of the boiler shell 1 under the thrust of the guide unit;

[0033] The guide unit includes a rotating rod 401, a fixed rod 402, a guide slot 403, a guide block 404, and a movable plate 407;

[0034] The rotating rod 401 is connected to the output end of the driving motor 3 through a rotating shaft and a coupling and extends to the inner cavity of the boiler shell 1. The rotating rod 401 is used to give a rotating thrust to the cleaning rod 405.

[0035] The fixing rod 402 is connected to the top of the inner cavity of the boiler shell 1 through a mounting bracket, and the fixing rod 402 extends to the hollow inner cavity of the rotating rod 401;

[0036] The guide groove 403 is provided on the outer wall of the fixing rod 402, and the guide groove 403 is used to provide guidance for the upward and downward movement of the guide block 404;

[0037] The guide block 404 is slidably connected to the inner cavity of the guide groove 403 and passes through the rotating rod 401 to the outside of the rotating rod 401. The guide block 404 is used to synchronously drive the cleaning rod 405 to move;

[0038] The movable plate 407 is fixed to the outer wall of the guide block 404 and fits with the outer wall of the rotating rod 401. The movable plate 407 is used to seal the hole groove of the outer wall of the rotating rod 401.

[0039] The cleaning unit includes a cleaning rod 405 and a cleaning head 406;

[0040] The cleaning rod 405 is fixed to the end of the guide block 404, and the cleaning rod 405 is used to synchronously drive the cleaning head 406 to move;

[0041] The cleaning head 406 is fixed to the end of the cleaning rod 405 and is in contact with the inner wall of the inner cavity of the boiler shell 1 . The cleaning head 406 in a rotating state is used to clean the inner cavity of the boiler shell 1 .

[0042] In this embodiment: when this device is used, when it is necessary to clean the scale attached to the inside of the boiler shell 1, by starting the drive motor 3, the drive motor 3 will drive the rotating rod 401 connected to the output end to rotate, and the rotating rotating rod 401 will synchronously drive the guide block 404 stuck in the slide groove on the rotating rod 401 to rotate circumferentially, and the end of the guide block 404 will slide along the inner cavity of the guide groove 403 on the fixed fixed rod 402, and the guide block 404 will rotate along the outer wall of the guide groove 403. The rotating guide block 404 will synchronously drive the cleaning rod 405 and the cleaning head 406 to move, and the rotating cleaning head 406 will clean the inner cavity of the boiler shell 1. At the same time, the cleaning head 406 will also slide tiltedly with the cleaning rod 405 and the guide block 404 to clean other places in the inner cavity of the boiler shell 1, thereby achieving the purpose of synchronous up and down movement during the rotation process. Compared with the traditional cleaning structure, this cleaning unit further improves the cleaning depth and improves the cleaning efficiency.

[0043] Please refer to Figure 1-Figure 3 The outer wall of the rotating rod 401 is formed with a slide groove for the guide block 404 to move vertically. The length and width of the movable plate 407 are greater than the slide groove for the guide block 404 to move vertically. There are multiple guide grooves 403, and the multiple guide grooves 403 are evenly distributed vertically on the outer wall of the fixed rod 402. The guide grooves 403 are double-threaded structures, which allow the guide block 404 to move back and forth up and down. The inner cavity of the rotating rod 401 is hollow, and a rotating space for the fixed rod 402 to rotate is formed inside the rotating rod 401.

[0044] In this embodiment: through this structure, when the guide block 404 rotates along with the rotation of the rotating rod 401, the end of the guide block 404 will also move up and down along the outer wall of the guide groove 403 synchronously, and the movable plate 407 fixed on the outer wall of the guide block 404 will also move along with the up and down movement of the guide block 404, thereby driving the cleaning head 406 to perform circumferential cleaning on the inside of the boiler shell 1 while moving up and down to seal the slide groove between the guide block 404 and the rotating rod 401.

[0045] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fully premixed condensing hot water boiler that is easy to clean, comprising a boiler shell (1), a water supply pipe (2) for water flow to enter is arranged at the top of the boiler shell (1), and a driving motor (3) is installed at the bottom of the boiler shell (1) through a connecting frame, characterized in that: A cleaning mechanism (4) is arranged inside the boiler shell (1), and the cleaning mechanism (4) is used to clean scale in the inner cavity of the boiler shell (1); The cleaning mechanism (4) comprises a guiding unit and a cleaning unit; The guide unit is used to provide a motion thrust for the up and down movement of the cleaning unit; The cleaning unit is used to clean the inner cavity of the boiler shell (1) under the thrust of the guide unit; The guide unit comprises a rotating rod (401), a fixed rod (402), a guide groove (403), a guide block (404), and a movable plate (407); The rotating rod (401) is connected to the output end of the driving motor (3) through a rotating shaft and a coupling and extends to the inner cavity of the boiler shell (1). The rotating rod (401) is used to give the cleaning rod (405) a rotating thrust; The fixing rod (402) is connected to the top end of the inner cavity of the boiler shell (1) via a mounting bracket, and the fixing rod (402) extends to the hollow inner cavity of the rotating rod (401); The guide groove (403) is formed on the outer wall of the fixing rod (402), and the guide groove (403) is used to provide guidance for the upward and downward movement of the guide block (404); The guide block (404) is slidably connected to the inner cavity of the guide groove (403) and penetrates the rotating rod (401) to the outside of the rotating rod (401), and the guide block (404) is used to synchronously drive the cleaning rod (405) to move; The movable plate (407) is fixed to the outer wall of the guide block (404) and fits with the outer wall of the rotating rod (401), and the movable plate (407) is used to seal the hole groove on the outer wall of the rotating rod (401); The cleaning unit comprises a cleaning rod (405) and a cleaning head (406); The cleaning rod (405) is fixed to the end of the guide block (404), and the cleaning rod (405) is used to synchronously drive the cleaning head (406) to move; The cleaning head (406) is fixed to the end of the cleaning rod (405) and is in contact with the inner wall of the inner cavity of the boiler shell (1). The cleaning head (406) in a rotating state is used to clean the inner cavity of the boiler shell (1).

2. The easy-to-clean full premix condensing hot water boiler according to claim 1, characterized in that: The outer wall of the rotating rod (401) is formed with a sliding groove for the guide block (404) to move vertically, and the length and width of the movable plate (407) are greater than the sliding groove for the guide block (404) to move vertically.

3. The easy-to-clean full premix condensing hot water boiler according to claim 2, characterized in that: There are a plurality of guide grooves (403), and the plurality of guide grooves (403) are evenly distributed vertically on the outer wall of the fixing rod (402).

4. The easy-to-clean full premix condensing hot water boiler according to claim 3, characterized in that: The guide groove (403) is a double-thread structure, which allows the guide block (404) to move up and down reciprocatingly.

5. The easy-to-clean full premix condensing hot water boiler according to claim 4, characterized in that: The inner cavity of the rotating rod (401) is in a hollow state, and a rotating space for the fixed rod (402) to rotate is formed inside the rotating rod (401).

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