CN219494113U - Waste gas heat exchange device for waste incineration power generation - Google Patents

Abstract

The utility model relates to the technical field of waste incineration power generation, in particular to an exhaust gas heat exchange device for waste incineration power generation, which comprises a shell, wherein two sides of the shell are respectively and fixedly connected with an air inlet pipe and an air outlet pipe, one side of the inside of the shell is fixedly connected with a partition plate, one side of the partition plate is respectively and fixedly connected with a plurality of heat exchange pipes and a bearing seat, one ends of the plurality of heat exchange pipes are connected through a conversion box, two sides of the conversion box are fixedly connected with two connecting columns, the middle part of the bearing seat is movably connected with a threaded rod, one end of the threaded rod is in threaded connection with the middle part of a fixed block, the improved exhaust gas heat exchange device drives a cleaning plate to move through rotation of the threaded rod, scale on the surfaces of the heat exchange pipes can be scraped when the cleaning plate moves, the heat exchange effect of the heat exchange pipes is prevented from being reduced due to the fact that a large amount of scale is adhered to the surfaces of the heat exchange pipes, and the end cover and the shell are rapidly disassembled and assembled through cooperation of a rotating rod, a clamping block, a positioning groove, a spring and a push plate.

Description

Waste gas heat exchange device for waste incineration power generation

Technical Field

The utility model relates to the technical field of waste incineration power generation, in particular to an exhaust gas heat exchange device for waste incineration power generation.

Background

The garbage incineration power generation is a work of introducing, digesting and absorbing garbage incineration plants and garbage incineration equipment for innovation, and dioxin in household garbage incineration smoke is a problem generally concerned in various countries in recent years, so that extremely toxic substances such as dioxin cause great harm to the environment, the generation and diffusion of the dioxin substances are effectively controlled, and the promotion and the application of garbage incineration and garbage power generation technology are directly related.

When the garbage is incinerated, heat is generally recovered through a heat exchanger, the heat exchange device mainly utilizes the heat generated by incinerating garbage to heat the liquid in the heat exchange device, cold water is introduced into the heat exchange tube through an air inlet tube, and the cold water is heated through the high-temperature liquid in the heat exchange device, so that the resources are saved, the environment is protected, and the heat generated by incinerating garbage is fully utilized, therefore, the heat exchange device is an extremely important and environment-friendly device in the garbage incineration power generation process.

The prior patent (publication number: CN 214250646U) discloses a high-efficiency heat exchanger for garbage incineration power generation, which comprises: a heat exchange box; the box body is arranged at one side of the heat exchange box; the fixed block is fixedly arranged on the inner wall of one side of the heat exchange box; the first fixing ring is fixedly sleeved on the heat exchange box; the second fixing ring is fixedly sleeved on the box body; the efficient heat exchanger for the garbage incineration power generation has the advantages of double-layer sealing protection, liquid leakage detection, high-temperature liquid dispersion, impact reduction on the heat-conducting pipe reduction and convenient disassembly. The inventors found that the following problems exist in the prior art in the process of implementing the present utility model: 1. the existing heat exchange device has the problems that along with the increase of the service time, scale can be generated on the heat exchange tube, so that the wall of the heat exchange tube is thickened, the heat exchange is affected, and the heat exchange effect is deteriorated; 2. and the existing heat exchange device shell is mostly an integral body or is subjected to security rotation through a large number of fasteners, so that the assembly and disassembly are complicated, and when the heat exchange device fails, the maintenance is inconvenient.

Disclosure of Invention

The utility model aims to provide an exhaust gas heat exchange device for waste incineration power generation, so as to solve the problem that the heat exchange effect is reduced due to scale generated on a heat exchange tube along with the increase of service time of the conventional heat exchange device in the background art; and the existing heat exchange device shell is mostly an integral shell or is subjected to security rotation through a large number of fasteners, so that the problems of complicated disassembly and assembly and inconvenient maintenance are solved. In order to achieve the above purpose, the present utility model provides the following technical solutions: waste gas heat transfer device for waste incineration power generation, which comprises a housing, the both sides of shell are fixedly connected with income trachea and outlet duct respectively, inside one side fixedly connected with baffle of shell, one side of baffle is fixedly connected with a plurality of heat exchange tube and bearing frame respectively, a plurality of be connected through the conversion box between the one end of heat exchange tube, two spliced poles of both sides fixedly connected with of conversion box, the middle part swing joint of bearing frame has the threaded rod, the one end threaded connection of threaded rod is at the middle part of fixed block, the middle part swing joint of threaded rod has the clearance board, four of side fixedly connected with locating pieces of shell, four the constant head tank has all been seted up at the middle part of locating piece, the middle part swing joint of constant head tank has the fixture block, one side fixedly connected with dwang of fixture block, the middle part fixedly connected with push pedal of dwang, the middle part of dwang swing joint is in the fixed bin, the inside one side fixedly connected with spring of fixed bin, the side of fixed bin is fixedly connected with at the end cover, one side of end cover is equipped with annular picture peg, annular picture peg is pegged graft in the middle part of seal groove, one side of seting up at the seal groove.

Further preferably, the cross section of the partition board is in a T shape.

Further preferably, the heat exchange tubes are divided into two groups, the upper half of the heat exchange tubes are filled with water, and the lower half of the heat exchange tubes are discharged with water.

Further preferably, an elastic structure is formed between the push plate and the fixed bin through a spring, and the spring is attached to the push plate without connection.

Further preferably, a plurality of holes are formed in the middle of the cleaning plate, and the inner size structure of the holes is consistent with the outer size structure of the heat exchange tube.

Further preferably, the conversion box forms a fixed structure with the inner wall of the shell through connecting columns at two sides.

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

according to the utility model, after the end cover is opened, the threaded rod is screwed to rotate, the cleaning plate is driven to move when the threaded rod rotates, the heat exchange tube penetrates through the hole in the cleaning plate, and the inner dimension of the hole is consistent with the outer dimension of the heat exchange tube, so that scale on the surface of the heat exchange tube can be scraped when the cleaning plate moves, and the heat exchange effect of the heat exchange tube is prevented from being reduced due to the fact that a large amount of scale is adhered to the surface of the heat exchange tube.

According to the utility model, the clamping block is driven to rotate by pressing and screwing the rotary rod, the clamping block rotates in the positioning groove, the hand pressing the rotary rod is released after the clamping block rotates, the spring can push the rotary rod to the outside of the positioning block through the push plate, and the push-out path of the clamping block and the positioning groove is inconsistent after the rotary rod rotates, so that the clamping block can clamp the rotary rod in the positioning block, the end cover is quickly connected with the shell, the annular inserting plate on the end cover can be inserted into the sealing groove, the sealing groove has elasticity and is inwards extruded, and the sealing groove is tightly attached to the annular inserting plate, so that water leakage is avoided.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of the utility model at A in FIG. 1;

FIG. 3 is a schematic side view of a cleaning plate of the present utility model;

FIG. 4 is a schematic side view of the present utility model;

FIG. 5 is a schematic diagram of a front view of a positioning block according to the present utility model;

fig. 6 is a schematic view of a front cross-section of a positioning block according to the present utility model.

In the figure: 1. a housing; 2. an air inlet pipe; 3. an air outlet pipe; 4. a partition plate; 5. a heat exchange tube; 6. a bearing seat; 7. a conversion box; 8. a connecting column; 9. a threaded rod; 10. a fixed block; 11. a cleaning plate; 12. a positioning block; 13. a positioning groove; 14. a clamping block; 15. a rotating rod; 16. a push plate; 17. a fixed bin; 18. a spring; 19. an end cap; 20. an annular plugboard; 21. and (5) sealing the groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.

Referring to fig. 1 to 6, the present utility model provides the following technical solutions: the utility model provides a waste gas heat transfer device for waste incineration power generation, which comprises a housing 1, the both sides of shell 1 are fixedly connected with income trachea 2 and outlet duct 3 respectively, the inside one side fixedly connected with baffle 4 of shell 1, one side of baffle 4 is fixedly connected with a plurality of heat exchange tube 5 and bearing frame 6 respectively, be connected through conversion box 7 between the one end of a plurality of heat exchange tube 5, two spliced pole 8 of both sides fixedly connected with of conversion box 7, the middle part swing joint of bearing frame 6 has threaded rod 9, threaded rod 9's one end threaded connection is in the middle part of fixed block 10, threaded rod 9's middle part swing joint has clearance board 11, four locating pieces 12 of side fixedly connected with of shell 1, the constant head tank 13 has all been seted up at the middle part of four locating pieces 12, the middle part swing joint of constant head tank 13 has fixture block 14, one side fixedly connected with dwang 15 of fixture block 14, the middle part fixedly connected with push pedal 16 of dwang 15 swing joint is in the middle part of fixed bin 17, the inside one side fixedly connected with spring 18 of fixed bin 17, fixed bin 17 is fixedly connected with is in the side of end cover 19, one side of end cover 19 is equipped with annular picture peg 20, annular picture peg 20 is in the middle part 21, the shell 1 is seted up in one side of seal groove 21.

In this embodiment, as shown in fig. 1, the cross section of the partition board 4 is in a T shape; the partition board 4 is matched with the shell 1 to separate two independent chambers, and the two chambers are respectively communicated with the air inlet pipe 2 and the air outlet pipe 3 and are used for air inlet and air outlet.

In this embodiment, as shown in fig. 1 and 3, a plurality of heat exchange tubes 5 are divided into two groups, the upper half of the heat exchange tubes 5 are filled with air, and the lower half of the heat exchange tubes 5 are discharged with air; and the waste gas after heat exchange is conveniently discharged out of the heat exchange device.

In this embodiment, as shown in fig. 2, an elastic structure is formed between the push plate 16 and the fixed bin 17 through a spring 18, and the spring 18 is attached to the push plate 16 without connection relationship; after the clamping block 14 can be inserted and rotated, the spring 18 enables the clamping block 14 to be clamped in the positioning groove 13 through the pushing plate 16, so that the end cover 19 is fixed on one side of the shell 1.

In this embodiment, as shown in fig. 3, a plurality of holes are formed in the middle of the cleaning plate 11, and the inner dimension structure of the holes is consistent with the outer dimension structure of the heat exchange tube 5; the cleaning plate 11 can scrape off the scale on the outer side of the heat exchange tube 5 when moving, and the heat exchange effect is prevented from being reduced due to the excessively thick scale.

In this embodiment, as shown in fig. 4, the conversion box 7 forms a fixed structure with the inner wall of the housing 1 through the connecting posts 8 on both sides; the conversion box 7 can be fixed inside the shell 1, so that external water can conveniently enter the air outlet heat exchange tube 5 from the air inlet heat exchange tube 5.

The application method and the advantages of the utility model are as follows: when the waste gas heat exchange device for waste incineration power generation is wound, the working process is as follows:

as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, after the device is installed at a designated position, water is added into a gap between the outer shell 1 and the heat exchange tube 5, waste incineration power generation is started again, high-temperature waste gas generated by the waste incineration can heat water in the outer shell 1, the waste gas is connected with an external air pipe through the air inlet tube 2, so that the high-temperature waste gas is introduced into the heat exchange tube 5, enters the conversion box 7 through the heat exchange tube 5, is discharged from the air outlet heat exchange tube 5 to the air outlet tube 3 through the conversion box 7, is discharged from the air outlet tube 3, exchanges heat with water in the outer shell 1 when the high-temperature waste gas flows in the heat exchange tube 5, heats water body, fully utilizes waste heat of the waste gas, is environment-friendly, when maintenance of the heat exchange device is needed, the rotary rod 15 is rotated by 90 degrees, a clamping block 14 at the tail end of the rotary rod 15 is aligned with a pumping path of the positioning block 12, the push plate 16 is sprung towards the direction of the end cover 19 under the action of the spring 18, the push plate 16 drives the clamping block 14 to separate from the positioning block 12 through the rotary rod 15, so that the end cover 19 is detached from the shell 1, the inside of the shell 1 is maintained, when water scales on the surface of the heat exchange tube 5 need to be cleaned, the threaded rod 9 is screwed to drive the cleaning plate 11 to move, the heat exchange tube 5 penetrates through a hole in the cleaning plate 11, the inner size of the hole is consistent with the outer size of the heat exchange tube 5, the water scales on the surface of the heat exchange tube 5 can be scraped when the cleaning plate 11 moves, the heat exchange effect of the heat exchange tube 5 is prevented from being reduced due to the fact that a large amount of water scales are adhered to the surface of the heat exchange tube 5, a water outlet pipe and a water inlet pipe are arranged on two sides of the shell 1, and valves are arranged in the middle of the two water pipes for controlling water discharge and water discharge.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. Waste gas heat transfer device for msw incineration electricity generation, including shell (1), its characterized in that: the utility model discloses a spiral bin, including casing (1), connecting column (8), threaded rod (9) are connected in the middle part swing joint of bearing frame (6), threaded rod (9) one end threaded connection is in the middle part of fixed block (10), the middle part swing joint of threaded rod (9) has clearance board (11), the side fixedly connected with four locating pieces (12) of casing (1), four locating pieces (12) are all offered constant head tank (13) in the middle part, constant head tank (13) are connected with fixture block (14) in the middle part swing joint, one side fixedly connected with dwang (15) of fixture block (14) between the one end of transition box (7), the middle part fixedly connected with push pedal (16) of dwang (15), the middle part swing joint of threaded rod (9) has clearance board (11) in the middle part of fixed block (10), four locating pieces (12) are all offered constant head tank (13), the middle part swing joint (14) has fixture block (15) in the middle part of fixture block (13), the fixed bin (17) is fixedly connected to the side face of the end cover (19), an annular inserting plate (20) is arranged on one side of the end cover (19), the annular inserting plate (20) is inserted into the middle of the sealing groove (21), and the sealing groove (21) is formed in one side of the shell (1).

2. The waste gas heat exchange device for waste incineration power generation according to claim 1, wherein: the cross section of the partition board (4) is T-shaped.

3. The waste gas heat exchange device for waste incineration power generation according to claim 1, wherein: the heat exchange pipes (5) are divided into two groups, the upper half part of the heat exchange pipes (5) are filled with water, and the lower half part of the heat exchange pipes (5) are discharged with water.

4. The waste gas heat exchange device for waste incineration power generation according to claim 1, wherein: the push plate (16) and the fixed bin (17) form an elastic structure through the spring (18), and the spring (18) is attached to the push plate (16) without connection.

5. The waste gas heat exchange device for waste incineration power generation according to claim 1, wherein: a plurality of holes are formed in the middle of the cleaning plate (11), and the inner size structure of the holes is consistent with the outer size structure of the heat exchange tube (5).

6. The waste gas heat exchange device for waste incineration power generation according to claim 1, wherein: the conversion box (7) forms a fixed structure with the inner wall of the shell (1) through connecting columns (8) at two sides.