CN215765178U

CN215765178U - Boiler waste heat recovery structure with enlarged heat exchange surface

Info

Publication number: CN215765178U
Application number: CN202122031623.3U
Authority: CN
Inventors: 张丹; 蔡雨凌; 王俊鹏
Original assignee: Sichuan Guoneng Environmental Energy Saving Technology Co ltd
Current assignee: Sichuan Guoneng Environmental Energy Saving Technology Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-02-08
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a boiler waste heat recovery structure for enlarging a heat exchange surface, which comprises a boiler body, wherein a collecting mechanism is arranged on a shell of the boiler body; the boiler comprises a boiler body, a shell, a first heat insulation cotton, a filter device, a second heat insulation cotton, a first heat insulation cotton, a second heat insulation cotton, a third heat insulation cotton, a fourth heat insulation cotton, a fifth heat insulation cotton, a sixth heat insulation cotton, a filter device and a connecting shaft, wherein the filter device is fixedly connected to the upper right end of the boiler body and comprises a limiting rod, a mounting plate, a limiting cover, a filter pipe, a filter screen, a mounting piece and the connecting shaft; the waste gas pipe is arranged at the upper end of the filtering pipe, and the diameter of the filtering pipe, the diameter of the water storage tank and the diameter of the waste gas pipe are equal; the protective housing, the protective housing is placed on the right side of boiler body, and the inside fixedly connected with storage water tank of protective housing. This enlarge boiler waste heat recovery structure of heat-transfer surface not only is convenient for enlarge the heat-transfer surface, prevents moreover that the dust that contains in the waste gas in the boiler from causing the exhaust-gas line to block up, conveniently reduces the heat simultaneously and gives off.

Description

Boiler waste heat recovery structure with enlarged heat exchange surface

Technical Field

The utility model relates to the technical field of boilers, in particular to a boiler waste heat recovery structure capable of enlarging a heat exchange surface.

Background

At present, people are more and more extensive to the application of boiler, provide heat energy through the boiler, and the waste heat appears in the general boiler returns in the use, in order to prevent the waste heat waste, can install the waste heat recovery structure on the boiler, collects the waste heat through the waste heat recovery structure.

However, if the utility model discloses a grant publication No. CN210892832U, 2020-06-30 announces day discloses a boiler waste heat recovery utilizes structure, including the boiler body, the top fixedly connected with blast pipe of boiler body, the one end fixedly connected with connector of boiler body is kept away from to the blast pipe, the one end fixedly connected with waste gas recovery pipe that boiler body was kept away from to the blast pipe, waste gas recovery pipe passes through connector and blast pipe fixed connection. This boiler waste heat recovery utilizes structure, the waste heat of boiler body passes through two kinds of transfer modes of heat utilization pipe and heat pipe and transmits for the storage water tank among the device, not only effectual reinforcing to the utilization ratio that the boiler preheats, the heat does not contact with the water in the storage water tank completely moreover, thereby the effectual cleanliness factor that has kept the storage water tank water and provide people with clean hot water and use or even drink, thereby the effectual device heat in the past of having avoided contacts with water and makes the phenomenon that the impurity in the heat causes the pollution to water.

The above prior art scheme has the following defects that the heat is transferred to the water storage tank through the heat utilization pipe and the heat conduction pipe, but the heat exchange surface is not convenient to enlarge, and the dust contained in the waste gas in the boiler easily causes the blockage of the waste gas pipe and simultaneously inconveniently reduces the heat dissipation, so that the boiler waste heat recovery structure for enlarging the heat exchange surface is provided, so as to solve the problems provided in the above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a boiler waste heat recovery structure with an enlarged heat exchange surface, which aims to solve the problems that the heat exchange surface is not convenient to enlarge due to most of the boiler waste heat recovery structures with enlarged heat exchange surfaces proposed in the background art, a waste gas pipe is easy to block due to dust contained in waste gas in a boiler, and heat emission is inconvenient to reduce.

In order to achieve the purpose, the utility model provides the following technical scheme: a boiler waste heat recovery structure capable of enlarging a heat exchange surface comprises a boiler body, wherein a collecting mechanism is mounted at the outer end of the boiler body and comprises a first water pipe, a water pump, a second water pipe, a preheating device and a connecting pipe, and the outer wall of the boiler body is connected with the first water pipe through bolts;

the boiler comprises a boiler body, a shell, a first heat insulation cotton, a filter device, a second heat insulation cotton, a first heat insulation cotton, a second heat insulation cotton, a third heat insulation cotton, a fourth heat insulation cotton, a fifth heat insulation cotton, a sixth heat insulation cotton, a filter device and a connecting shaft, wherein the filter device is fixedly connected to the upper right end of the boiler body and comprises a limiting rod, a mounting plate, a limiting cover, a filter pipe, a filter screen, a mounting piece and the connecting shaft;

the waste gas pipe is arranged at the upper end of the filtering pipe, the diameter of the water storage tank and the diameter of the waste gas pipe are equal, and the waste gas pipe comprises an inner layer, second heat insulation cotton and a protective layer;

the protective housing, the protective housing is placed on the right side of boiler body, and the inside fixedly connected with storage water tank of protective housing, and the inner wall paste of protective housing is connected with the third heat preservation cotton simultaneously.

Preferably, the left end of the first water pipe is connected to the inside of the cold water tank through a bolt, the cold water tank is communicated with the water storage tank through the first water pipe and the second water pipe, the upper end of the first water pipe is connected with a water pump through a bolt, and the first water pipe is distributed in a spiral structure.

Preferably, the right end of the water pump is connected with a second water pipe through a bolt, and the lower end of the second water pipe is connected inside the water storage tank in a penetrating manner;

wherein, be spiral helicine on the outer wall of storage water tank and install the connecting pipe, and the left lower extreme of connecting pipe installs the right-hand member at preheating device to preheating device's left end is linked together through the right-hand member of returning boiler tube and boiler body.

Preferably, the upper end of storage water tank is the integration of equidistance and is connected with the gag lever post, and the gag lever post block is connected inside the outer end of mounting panel, the upper end threaded connection of gag lever post has spacing lid, and the middle-end integration of mounting panel is connected with the filter tube simultaneously.

Preferably, a filter screen is arranged in the filter pipe, the upper end of the filter pipe is attached to the left lower end of the exhaust gas pipe, and the joint of the exhaust gas pipe and the filter pipe is connected with an installation part in a surrounding manner;

wherein, the left ends of two sets of front and back of installed part are all rotated and are connected on the connecting axle.

Preferably, the outer wall of the inner layer is connected with second heat-preservation cotton in a sticking mode, and meanwhile the outer wall of the second heat-preservation cotton is fixedly connected with a protective layer.

Compared with the prior art, the utility model has the beneficial effects that: the boiler waste heat recovery structure with the enlarged heat exchange surface is convenient for enlarging the heat exchange surface, prevents the waste gas pipe from being blocked due to dust contained in waste gas in the boiler and is convenient for reducing heat dissipation;

1. the collecting mechanism is arranged, the cold water tank is communicated with the water storage tank through a first water pipe and a second water pipe, so that the cold water absorbs the waste heat on the boiler body into the first water pipe through the first water pipe which is distributed spirally, the connecting pipe is arranged on the outer wall of the water storage tank spirally, the heat of the waste gas in the boiler body is transferred to the water storage tank through the connecting pipe, and the heat exchange surface is convenient to expand;

2. the filter device is arranged, the upper end of the limiting rod is in threaded connection with a limiting cover, so that the limiting cover limits the position of the limiting rod on the mounting plate, the left ends of the front and rear groups of mounting pieces are rotatably connected to the connecting shaft, the mounting pieces are rotatably wound around the lower end of the waste gas pipe, the filter pipe is mounted on the water storage tank and the waste gas pipe, and the filter screen is used for preventing the waste gas pipe in the boiler body from being blocked due to dust contained in the waste gas;

3. be equipped with exhaust pipe and third heat preservation cotton, protect the nexine through second heat preservation cotton and inoxidizing coating, prevent that the heat in the inside waste gas of nexine from scattering and disappearing, the inner wall of protective housing is pasted and is connected with the third heat preservation cotton for the third heat preservation cotton protects the heat in the storage water tank, and the inner wall of shell is pasted and is connected with first heat preservation cotton, makes first heat preservation cotton protect first water pipe, thereby conveniently reduces the heat and gives off.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic view of the exhaust pipe structure of the present invention;

FIG. 3 is a schematic top view of a cross-sectional structure of the filter tube and the filter screen according to the present invention;

fig. 4 is a schematic perspective view of the connection between the mounting member and the connecting shaft according to the present invention.

In the figure: 1. a boiler body; 2. a collection mechanism; 201. a first water pipe; 202. a water pump; 203. a second water pipe; 204. a preheating device; 205. a connecting pipe; 3. a housing; 4. first heat insulation cotton; 5. a cold water tank; 6. a water storage tank; 7. a filtration device; 701. a limiting rod; 702. mounting a plate; 703. a limiting cover; 704. a filter tube; 705. a filter screen; 706. a mounting member; 707. a connecting shaft; 8. an exhaust gas pipe; 801. an inner layer; 802. second heat preservation cotton; 803. a protective layer; 9. a protective shell; 10. and third heat preservation cotton.

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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a boiler waste heat recovery structure capable of expanding a heat exchange surface comprises a boiler body 1, a collecting mechanism 2, a shell 3, first heat-insulating cotton 4, a cold water tank 5, a water storage tank 6, a filtering device 7, an exhaust gas pipe 8, a protective shell 9 and third heat-insulating cotton 10, when the boiler waste heat recovery structure capable of expanding the heat exchange surface is used, the heat exchange surface is increased through a structure formed by a first water pipe 201, a water pump 202, a second water pipe 203, a preheating device 204 and a connecting pipe 205 by combining with the graph of figure 1, because the cold water tank 5 is communicated with the water storage tank 6 through the first water pipe 201 and the second water pipe 203, when the water pump 202 works, cold water in the cold water tank 5 is pumped into the first water pipe 201 through the left end of the first water pipe 201, the waste heat in the boiler body 1 is transferred into the first water pipe 201 through the first water pipe 201 spirally distributed on the outer wall of the boiler body 1, and the cold water in the first water pipe 201 is changed into hot water, hot water in the first water pipe 201 enters the water storage tank 6 through the second water pipe 203;

the waste gas in the boiler body 1 enters the waste gas pipe 8 through the water storage tank 6 and the filter pipe 704, the waste gas in the waste gas pipe 8 enters the preheating device 204, when the temperature of the waste gas in the preheating device 204 does not reach the working temperature, the waste gas returns to the interior of the boiler body 1 again through the return pipe at the left end of the preheating device 204, when the temperature of the waste gas in the preheating device 204 reaches the working temperature, the waste gas enters the interior of the connecting pipe 205 through the right end of the preheating device 204, the heat of the waste gas is transferred to the interior of the water storage tank 6 through the connecting pipe 205 which is spirally distributed, the water in the water storage tank 6 is heated, and the waste gas without temperature is discharged through the upper right end of the connecting pipe 205;

with reference to fig. 1, 3 and 4, the exhaust gas contains dust, the exhaust gas pipe 8 and the connecting pipe 205 are prevented from being blocked by the dust through a structure consisting of a limiting rod 701, a mounting plate 702, a limiting cover 703, a filtering pipe 704, a filtering net 705, a mounting piece 706 and a connecting shaft 707, the mounting plate 702 is placed at the upper end of the water storage tank 6, the limiting rods 701 distributed at equal angles are clamped and connected inside the outer end of the mounting plate 702, the limiting cover 703 is connected to the upper end of the limiting rod 701 through threads, and the position of the mounting plate 702 on the limiting rod 701 is limited through the limiting cover 703;

the upper end of the filter pipe 704 is completely fit with the left lower end of the exhaust gas pipe 8, the front and rear mounting pieces 706 are pushed, the left end of the mounting piece 706 rotates on the connecting shaft 707, the inner walls of the front and rear mounting pieces 706 are tightly attached to the outer wall of the joint of the exhaust gas pipe 8 and the filter pipe 704, and the right ends of the front and rear mounting pieces 706 are attached together and limited by bolts, so that the position of the joint of the exhaust gas pipe 8 and the filter pipe 704 is limited by the mounting piece 706, and when the exhaust gas in the boiler body 1 enters the filter pipe 704, the exhaust gas is filtered by the filter screen 705, and dust is prevented from entering the exhaust gas pipe 8;

with reference to fig. 1 and 2, the first thermal insulation cotton 4 is adhered to the inner wall of the housing 3, the first thermal insulation cotton 4 is used for protecting the boiler body 1 and the first water pipe 201, heat in the boiler body 1 and the first water pipe 201 is prevented from being dissipated to the outside, the third thermal insulation cotton 10 is adhered to the inner wall of the protective housing 9, heat in the water storage tank 6 and the connecting pipe 205 is prevented from being dissipated to the outside, the exhaust pipe 8 is composed of an inner layer 801, the second thermal insulation cotton 802 and a protective layer 803, after exhaust enters the inner part of the inner layer 801, the second thermal insulation cotton 802 is used for protecting the inner layer 801, heat inside the inner layer 801 is prevented from being dissipated to the outside, the second thermal insulation cotton 802 is protected through the protective layer 803, the second thermal insulation cotton 802 is prevented from being damaged, heat dissipation is reduced conveniently, and the working principle of the boiler waste heat recovery structure with the enlarged heat exchange surface is realized.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an enlarge boiler waste heat recovery structure of heat-transfer surface which characterized in that includes:

the boiler comprises a boiler body (1), wherein a collecting mechanism (2) is installed at the outer end of the boiler body (1), the collecting mechanism (2) comprises a first water pipe (201), a water pump (202), a second water pipe (203), a preheating device (204) and a connecting pipe (205), and the outer wall of the boiler body (1) is connected with the first water pipe (201) through bolts;

the boiler comprises a shell (3), wherein the shell (3) is installed at the outer end of a boiler body (1), first heat-preservation cotton (4) is connected to the inner wall of the shell (3) in a sticking mode, a filtering device (7) is fixedly connected to the right upper end of the boiler body (1), and the filtering device (7) comprises a limiting rod (701), an installation plate (702), a limiting cover (703), a filtering pipe (704), a filtering net (705), an installation piece (706) and a connecting shaft (707);

the waste gas pipe (8) is arranged at the upper end of the filter pipe (704), the diameter of the water storage tank (6) and the diameter of the waste gas pipe (8) are equal, and the waste gas pipe (8) comprises an inner layer (801), second heat insulation cotton (802) and a protective layer (803);

protective housing (9), place the right side at boiler body (1) on protective housing (9), and the inside fixedly connected with storage water tank (6) of protective housing (9), the inner wall paste of protective housing (9) is connected with third heat preservation cotton (10) simultaneously.

2. The boiler waste heat recovery structure with enlarged heat exchange surface of claim 1, characterized in that: the left end bolted connection of first water pipe (201) is in the inside of cold water tank (5), and cold water tank (5) are linked together through first water pipe (201) and second water pipe (203) and storage water tank (6) to the upper end bolted connection of first water pipe (201) has water pump (202), and wherein first water pipe (201) are the distribution of heliciform structure.

3. The boiler waste heat recovery structure with enlarged heat exchange surface of claim 2, characterized in that: the right end of the water pump (202) is connected with a second water pipe (203) through a bolt, and the lower end of the second water pipe (203) is connected inside the water storage tank (6) in a penetrating manner;

wherein, be spiral helicine on the outer wall of storage water tank (6) and install connecting pipe (205), and the left lower extreme of connecting pipe (205) is installed at the right-hand member of preheating device (204), and the left end of preheating device (204) is linked together through the right-hand member of returning boiler pipe with boiler body (1).

4. The boiler waste heat recovery structure with enlarged heat exchange surface of claim 1, characterized in that: the integrated water storage tank is characterized in that the upper end of the water storage tank (6) is connected with a limiting rod (701) in an equal-angle mode, the limiting rod (701) is connected to the inner portion of the outer end of the mounting plate (702) in a clamping mode, the upper end of the limiting rod (701) is connected with a limiting cover (703) in a threaded mode, and meanwhile the middle end of the mounting plate (702) is connected with a filter pipe (704) in an integrated mode.

5. The boiler waste heat recovery structure with enlarged heat exchange surface of claim 4, characterized in that: a filter screen (705) is arranged in the filter pipe (704), the upper end of the filter pipe (704) is attached to the left lower end of the exhaust gas pipe (8), and a mounting part (706) is connected to the joint of the exhaust gas pipe (8) and the filter pipe (704) in a surrounding manner;

the left ends of the front and the rear groups of the mounting pieces (706) are rotatably connected to the connecting shaft (707).

6. The boiler waste heat recovery structure with enlarged heat exchange surface of claim 1, characterized in that: the outer wall of the inner layer (801) is connected with second heat insulation cotton (802) in a sticking mode, and meanwhile, the outer wall of the second heat insulation cotton (802) is fixedly connected with a protective layer (803).