CN215372956U

CN215372956U - Condensing waste heat recovery boiler

Info

Publication number: CN215372956U
Application number: CN202121396053.1U
Authority: CN
Inventors: 赵书强; 曹熙; 魏续超
Original assignee: Dalian Economic And Technological Development Zone Heating Co ltd
Current assignee: Dalian Economic And Technological Development Zone Heating Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-12-31
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses a condensing waste heat recovery boiler, which relates to the technical field of boilers and comprises a boiler main body, wherein an electric heating tube is fixedly arranged inside the boiler main body, a smoke inlet pipe is fixedly connected to the right side of the boiler main body, the other end of the smoke inlet pipe is fixedly connected with a filter chamber, a filter screen is fixedly arranged inside the filter chamber, a cleaning brush is arranged on the left side of the filter screen, sliding blocks are fixedly connected to the front side and the rear side of the cleaning brush, and a sliding groove is fixedly arranged outside the sliding blocks. According to the utility model, the condensation heat exchange shell, the recycling box, the connecting block and the pushing block are arranged, the pushing block is operated manually to conveniently drive the connecting block to move, the connecting block moves to the outside of the mounting block in the condensation heat exchange shell, so that the replacement work of the condensation heat exchange shell is conveniently completed, the replacement operation is simple, the replacement time is short, the replacement work of the heat exchange tube is completed without replacing the whole condensation energy-saving device, and the operation cost is reduced.

Description

Condensing waste heat recovery boiler

Technical Field

The utility model relates to the technical field of boilers, in particular to a condensing type waste heat recovery boiler.

Background

With the development of science and technology and the progress of times, the attention degree of people to the environmental protection problem deepens day by day, the energy-saving and environmental-protection consciousness gradually deepens into all aspects of social production and life, a boiler is a large resource and energy consumption household and is energy conversion equipment, energy input to the boiler has chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy.

The heat exchange tube and the condensing energy-saving device in the existing waste heat recovery boiler are integrated, when the heat exchange tube is damaged, the whole condensing energy-saving device is generally required to be replaced, and the replacement cost is increased; the existing waste heat recovery boiler has the advantage that dust in flue gas is easily accumulated on the surface of a heat exchange tube in the using process, so that the waste heat recovery work of the boiler is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the heat exchange tube and the condensation energy-saving device in the existing waste heat recovery boiler are integrated, when the heat exchange tube is damaged, the whole condensation energy-saving device is generally required to be replaced, and the replacement cost is increased; the existing waste heat recovery boiler has the defect that dust in flue gas is easy to accumulate on the surface of a heat exchange tube in the using process, so that the waste heat recovery work of the boiler is influenced, and the condensing waste heat recovery boiler is provided.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a condensing waste heat recovery boiler comprises a boiler main body, wherein an electric heating tube is fixedly arranged in the boiler main body, a smoke inlet tube is fixedly connected to the right side of the boiler main body, the other end of the smoke inlet tube is fixedly connected with a filter chamber, a filter screen is fixedly arranged in the filter chamber, a cleaning brush is arranged on the left side of the filter screen, sliders are fixedly connected to the front side and the rear side of the cleaning brush, a sliding groove is fixedly arranged on the outer portion of each slider, an electric push rod is fixedly connected to the top of the cleaning brush, a fixing box is fixedly arranged on the outer portion of the electric push rod, a support plate is arranged in the filter chamber, an atomizing nozzle is movably connected to the top of the support plate, a water inlet tube is fixedly connected to the inner portion of the support plate, a water inlet connector is sleeved on the outer portion of the water inlet tube, a heat exchange tube is fixedly connected to the other end of the water inlet connector, and a water outlet connector is fixedly arranged on the other end of the heat exchange tube, the inside swing joint of water connectors has hot water drainage pipe, and the outside of water connectors is provided with condensation heat transfer casing, the inside fixed mounting of condensation heat transfer casing has the installation piece, and the inside swing joint of installation piece has the connecting block, the outside fixedly connected with dead lever of connecting block, and the other end of dead lever is provided with the spring, the outside fixed mounting of spring has fixed frame, and the outside fixed mounting of fixed frame has the collection box, the left side of collection box is provided with the pipe of discharging fume, and the inside fixedly connected with condensed water drainage pipe of collection box, the top welding of dead lever has the ejector pad, the bottom fixed mounting of filter chamber has the delivery pipe.

Preferably, the other end of the condensed water discharge pipe is fixedly connected with a purified water tank, and a water pump is arranged in the purified water tank.

Preferably, a lifting structure is formed between the cleaning brush and the filter screen through an electric push rod and a sliding block, and the length of the cleaning brush is greater than that of the filter screen.

Preferably, an elastic structure is formed between the fixing rod and the mounting block through a spring and a fixing frame, and the fixing frame is of a hollow structure.

Preferably, a detachable structure is formed between the condensation heat exchange shell and the recovery box through an installation block and a connecting block, and the cross sectional area of the installation block is larger than that of the connecting block.

Preferably, a moving structure is formed between the connecting block and the mounting block through a fixing rod and a pushing block, and the outer wall of the fixing rod is tightly attached to the inner wall of the fixing frame.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, the condensation heat exchange shell, the recycling box, the connecting block and the pushing block are arranged, the pushing block is operated manually to conveniently drive the connecting block to move, the connecting block moves to the outside of the mounting block in the condensation heat exchange shell, so that the replacement work of the condensation heat exchange shell is conveniently completed, the replacement operation is simple, the replacement time is short, the replacement work of the heat exchange tube is completed without replacing the whole condensation energy-saving device, and the operation cost is reduced.

2. According to the utility model, the filter screen, the atomizing nozzle, the cleaning brush and the filter chamber are arranged, the cleaning brush can be conveniently driven to lift by starting the electric push rod in the filter chamber, and the condensed water can be conveniently sprayed onto the filter screen by opening the atomizing nozzle, so that the filter screen can be conveniently cleaned, the filter screen is prevented from being blocked by dust, and the influence of dust accumulated on the surface of the heat exchange tube on waste heat recovery work of a boiler can be avoided.

Drawings

FIG. 1 is a schematic structural diagram of a condensing type waste heat recovery boiler according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 3 is a right side view of the cleaning brush of the present invention;

FIG. 4 is a schematic view of a connection structure of a condensing heat exchanger and a recovery tank according to the present invention;

fig. 5 is a schematic view of the internal structure of the condensing heat exchanger according to the present invention.

Illustration of the drawings:

1. a boiler main body; 2. an electric heating tube; 3. a smoke inlet pipe; 4. a filtering chamber; 5. a filter screen; 6. a discharge pipe; 7. a condensing heat exchange shell; 8. a water inlet joint; 9. a hot water discharge pipe; 10. a smoke exhaust pipe; 11. a condensed water discharge pipe; 12. a purified water tank; 13. a water pump; 14. a water inlet pipe; 15. a recycling bin; 16. a support plate; 17. an atomizing spray head; 18. a fixing box; 19. cleaning the brush; 20. an electric push rod; 21. a slider; 22. a chute; 23. a water outlet joint; 24. mounting blocks; 25. connecting blocks; 26. fixing the rod; 27. a push block; 28. a spring; 29. a fixing frame; 30. a heat exchange tube.

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.

Referring to fig. 1-5, a condensing waste heat recovery boiler comprises a boiler body 1, an electric heating tube 2, a smoke inlet tube 3, a filter chamber 4, a filter screen 5, a discharge tube 6, a condensing heat exchange shell 7, a water inlet joint 8, a hot water discharge tube 9, a smoke discharge tube 10, a condensed water discharge tube 11, a purified water tank 12, a water pump 13, a water inlet tube 14, a recovery tank 15, a support plate 16, an atomizer 17, a fixed box 18, a cleaning brush 19, an electric push rod 20, a slide block 21, a slide groove 22, a water outlet joint 23, a mounting block 24, a connecting block 25, a fixed rod 26, a push block 27, a spring 28, a fixed frame 29 and a heat exchange tube 30, wherein the electric heating tube 2 is fixedly mounted in the boiler body 1, the smoke inlet tube 3 is fixedly connected to the right side of the boiler body 1, the filter chamber 4 is fixedly connected to the other end of the smoke inlet tube 3, the filter screen 5 is fixedly mounted in the filter chamber 4, and the cleaning brush 19 is arranged on the left side of the filter screen 5, and the front and back sides of the cleaning brush 19 are fixedly connected with sliding blocks 21, a lifting structure is formed between the cleaning brush 19 and the filter screen 5 through an electric push rod 20 and the sliding blocks 21, the length of the cleaning brush 19 is greater than that of the filter screen 5, the electric push rod 20 is started, the electric push rod 20 drives the cleaning brush 19 to lift through the sliding blocks 21 and the sliding grooves 22, so that the cleaning work of the filter screen 5 is facilitated, the sliding grooves 22 are fixedly arranged on the outer portions of the sliding blocks 21, the top of the cleaning brush 19 is fixedly connected with the electric push rod 20, the outer portions of the electric push rod 20 are fixedly provided with a fixing box 18, a supporting plate 16 is arranged inside the filtering chamber 4, the top of the supporting plate 16 is movably connected with an atomizing nozzle 17, the water inlet pipe 14 is fixedly connected inside the supporting plate 16, the water inlet joint 8 is sleeved on the outer portion of the water inlet pipe 14, and the other end of the water inlet joint 8 is fixedly connected with a heat exchange pipe 30, and the other end of the heat exchange tube 30 is fixedly provided with a water outlet joint 23, the inside of the water outlet joint 23 is movably connected with a hot water discharge tube 9, the outside of the water outlet joint 23 is provided with a condensation heat exchange shell 7, a detachable structure is formed between the condensation heat exchange shell 7 and the recycling box 15 through an installation block 24 and a connecting block 25, the cross section area of the installation block 24 is larger than that of the connecting block 25, a push block 27 is manually operated, the push block 27 drives the connecting block 25 to move through a fixed rod 26, the connecting block 25 moves to the outside of the installation block 24, so that the detaching work of the condensation heat exchange shell 7 is conveniently completed, the installation block 24 is fixedly installed inside the condensation heat exchange shell 7, the connecting block 25 is movably connected inside the installation block 24, a moving structure is formed between the connecting block 25 and the installation block 24 through the fixed rod 26 and the push block 27, and the outer wall of the fixed rod 26 is tightly attached to the inner wall of the fixed frame 29, the pushing block 27 is loosened manually, the pushing block 27 drives the connecting block 25 to move through the fixing rod 26, the connecting block 25 moves into the mounting block 24, so that the replacement work of the condensation heat exchange shell 7 is conveniently completed, the fixing rod 26 is fixedly connected to the outside of the connecting block 25, the other end of the fixing rod 26 is provided with the spring 28, the fixing rod 26 and the mounting block 24 form an elastic structure through the spring 28 and the fixing frame 29, the inside of the fixing frame 29 is a hollow structure, the pushing block 27 is operated manually, so that the fixing rod 26 performs the reset work through the spring 28 and the fixing frame 29, so that the mounting work of the condensation heat exchange shell 7 is conveniently completed, the fixing frame 29 is fixedly installed on the outside of the spring 28, the recovery box 15 is fixedly installed on the outside of the fixing frame 29, the smoke exhaust pipe 10 is arranged on the left side of the recovery box 15, and the condensation water exhaust pipe 11 is fixedly connected to the inside of the recovery box 15, the top of the fixed rod 26 is welded with a push block 27, the bottom of the filter chamber 4 is fixedly provided with a discharge pipe 6, the other end of the condensed water discharge pipe 11 is fixedly connected with a purified water tank 12, and the purified water tank 12 is internally provided with a water pump 13.

The working principle is as follows: when the high-temperature flue gas purification device is used, firstly, high-temperature flue gas in the boiler main body 1 is conveyed into the filtering chamber 4 through the smoke inlet pipe 3, the high-temperature flue gas intercepts dust and large granular substances in the high-temperature flue gas onto the filtering screen 5 through the filtering screen 5, the water pump 13 is started, condensed water in the purification water tank 12 is conveyed into the heat exchange pipe 30 through the water inlet pipe 14 and the water inlet joint 8 by the water pump 13, the filtered high-temperature flue gas is subjected to heat exchange with the condensed water in the heat exchange pipe 30, water vapor in the flue gas is cooled to form condensed water, the condensed water in the heat exchange pipe 30 is heated to form hot water and is conveyed to the outside through the water outlet joint 23 and the hot water discharge pipe 9 for people to use, the condensed water in the recovery tank 15 is conveyed into the purification water tank 12 through the condensed water discharge pipe 11 for purification, normal-temperature flue gas in the recovery tank 15 is discharged into the atmosphere through the smoke discharge pipe 10, and the electric push rod 20 (model: L3368) is started, Atomizer 17, electric putter 20 passes through spout 22, slider 21 drives clearance brush 19 and carries out the operation of going up and down, atomizer 17 passes through backup pad 16, inlet tube 14 sprays the cooling water to filter screen 5 on, just so conveniently clear up the work to filter screen 5, manual operation ejector pad 27, ejector pad 27 is through dead lever 26, fixed frame 29 drives connecting block 25 and removes the operation, connecting block 25 will remove outside installation piece 24, just so conveniently accomplish condensation heat exchanger's change work.

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. The utility model provides a condensing waste heat recovery boiler, includes boiler body (1), its characterized in that: the boiler is characterized in that an electric heating tube (2) is fixedly mounted inside the boiler body (1), a smoke inlet tube (3) is fixedly connected to the right side of the boiler body (1), a filter chamber (4) is fixedly connected to the other end of the smoke inlet tube (3), a filter screen (5) is fixedly mounted inside the filter chamber (4), a cleaning brush (19) is arranged on the left side of the filter screen (5), sliders (21) are fixedly connected to the front side and the rear side of the cleaning brush (19), a sliding groove (22) is fixedly mounted outside the sliders (21), an electric push rod (20) is fixedly connected to the top of the cleaning brush (19), a fixing box (18) is fixedly mounted outside the electric push rod (20), a support plate (16) is arranged inside the filter chamber (4), an atomizing nozzle (17) is movably connected to the top of the support plate (16), and a water inlet tube (14) is fixedly connected to the inside of the support plate (16), and the outside of the water inlet pipe (14) is sleeved with a water inlet joint (8), the other end of the water inlet joint (8) is fixedly connected with a heat exchange pipe (30), the other end of the heat exchange pipe (30) is fixedly provided with a water outlet joint (23), the inside of the water outlet joint (23) is movably connected with a hot water discharging pipe (9), the outside of the water outlet joint (23) is provided with a condensation heat exchange shell (7), the inside of the condensation heat exchange shell (7) is fixedly provided with a mounting block (24), the inside of the mounting block (24) is movably connected with a connecting block (25), the outside of the connecting block (25) is fixedly connected with a fixing rod (26), the other end of the fixing rod (26) is provided with a spring (28), the outside of the spring (28) is fixedly provided with a fixing frame (29), the outside of the fixing frame (29) is fixedly provided with a recycling box (15), the left side of the recycling box (15) is provided with a smoke exhaust pipe (10), and the inside of the recovery box (15) is fixedly connected with a condensed water discharge pipe (11), the top of the fixed rod (26) is welded with a push block (27), and the bottom of the filter chamber (4) is fixedly provided with a discharge pipe (6).

2. A condensing heat recovery boiler according to claim 1, characterized in that: the other end of the condensed water discharge pipe (11) is fixedly connected with a purified water tank (12), and a water pump (13) is arranged in the purified water tank (12).

3. A condensing heat recovery boiler according to claim 1, characterized in that: a lifting structure is formed between the cleaning brush (19) and the filter screen (5) through an electric push rod (20) and a sliding block (21), and the length of the cleaning brush (19) is larger than that of the filter screen (5).

4. A condensing heat recovery boiler according to claim 1, characterized in that: an elastic structure is formed between the fixing rod (26) and the mounting block (24) through a spring (28) and a fixing frame (29), and the inside of the fixing frame (29) is of a hollow structure.

5. A condensing heat recovery boiler according to claim 1, characterized in that: a detachable structure is formed between the condensation heat exchange shell (7) and the recovery box (15) through an installation block (24) and a connecting block (25), and the cross sectional area of the installation block (24) is larger than that of the connecting block (25).

6. A condensing heat recovery boiler according to claim 1, characterized in that: the connecting block (25) and the mounting block (24) form a moving structure through a fixing rod (26) and a pushing block (27), and the outer wall of the fixing rod (26) is tightly attached to the inner wall of the fixing frame (29).