CN212029873U

CN212029873U - Waste heat recovery economizer for industrial boiler

Info

Publication number: CN212029873U
Application number: CN202020611182.7U
Authority: CN
Inventors: 洪彩霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-11-27
Anticipated expiration: 2030-04-22

Abstract

The utility model discloses a waste heat recovery economizer for industrial boiler relates to industrial boiler technical field. The utility model discloses a furnace body, the case of taking a breath, be provided with the support frame on the bottom outer wall of furnace body, and the welding has the connecting plate on the bottom outer wall of support frame, the connecting plate passes through support column and bottom plate welded connection, it has the controller to inlay on the front side outer wall of furnace body, and the outside of controller is provided with the guard shield, install the air-vent valve on the top of controller, the outer wall of furnace body, and the side of air-vent valve is provided with the level gauge, it has the scavenge pipe to inlay on the left side top outer wall of furnace body, and cup jointed the bi-pass on the scavenge pipe, it has the exhaust. The utility model discloses an industrial boiler in the present stage has been solved to a series of structures, and it can produce very big heat when using, and only partly is used for burning heating boiler in this heat, and has more waste heat all to be discharged out with waste gas together, and then causes the problem of the waste of heat energy resource.

Description

Waste heat recovery economizer for industrial boiler

Technical Field

The utility model belongs to the technical field of industrial boiler, especially, relate to a waste heat recovery economizer for industrial boiler.

Background

The industrial boiler products are divided into two types, namely steam for power generation or gas supply, for example, a fertilizer plant can use steam for vaporization, coal is used as a raw material to synthesize fertilizers, the typical industrial boiler is also mostly made of coal, and a fuel gas is generally used as a waste heat boiler for recovering waste heat. The industrial boiler is a circulating fluidized bed boiler which is an important thermal power device, and China is the country where the boilers are most produced and used in the world nowadays.

However, in the existing industrial boilers, when in use, very large heat is generated, only a part of the heat is used for burning and heating the boiler, and more waste heat is discharged together with the waste gas, thereby causing the waste of heat energy resources.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waste heat recovery economizer for industrial boiler through, has solved the industrial boiler in the present stage, and it can produce very big heat when using, and only partly is used for the combustion heating boiler in this heat, and has more waste heat all can be discharged out with waste gas together, and then causes the problem of the waste of heat energy resource.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a three-way joint, waste gas outlet, air-exchange box, heat conduction pipe, air-blower of waste heat recovery energy-saving device for industrial boiler, which comprises a boiler body and an air-exchange box, wherein a support frame is arranged on the outer wall of the bottom of the boiler body, and a connecting plate is welded on the outer wall of the bottom of the support frame, the connecting plate is welded with a bottom plate through a support column, a controller is embedded on the outer wall of the front side of the boiler body, a protective cover is arranged on the outer side of the controller, an air-vent valve is arranged above the controller and on the outer wall of the boiler body, a liquid level meter is arranged beside the air-vent valve, an air-exchange pipe is embedded on the outer wall of the top end of the left side of the boiler body, a two-way joint is sleeved on the air-exchange pipe, a waste gas pipe is embedded on the outer wall of the top end, the adapter tube is communicated with the heat conduction tube through the bent tube.

Furthermore, a combustion groove is formed in the bottom side of the furnace body, a metal plate is welded on the inner wall of the top end of the combustion groove, a fuel door is installed on the left side wall of the combustion groove, a waste door is installed on the bottom of the right side of the combustion groove, and a sliding plate is arranged on the inner wall of the bottom of the combustion groove.

Furthermore, a support is welded on the outer wall above the right side of the bottom plate, and the bottom plate is fixedly connected with the bottom of the ventilation box through the support.

Furthermore, the front outer wall of the ventilation box is fixedly connected with the box cover through a hinge, and the box cover is inlaid with a ventilation net.

Furthermore, a fixing frame is welded on the inner wall of the air-exchanging box, and the air-exchanging box is fixedly connected with the outer wall of the air blower through the fixing frame.

Further, the outer wall of the upper portion of the air blower is provided with an air inlet, the air inlet of the air blower is sleeved with the heat conduction pipe, the outer wall of the left side of the air blower is provided with an air outlet, the air outlet of the air blower is sleeved with an air outlet pipe, and the air blower is communicated with the inner cavity of the combustion groove through the air outlet pipe.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up three way connection, exhaust outlet, scavenge box, heat pipe, air-blower, solved the industrial boiler in the present stage, it can produce very big heat when using, only partly is used for the combustion heating boiler in this heat, and has more waste heat all can be discharged out with waste gas together, and then causes the problem of the waste of heat energy resource.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a waste heat recovery energy-saving device for an industrial boiler of the present invention;

FIG. 2 is a bottom cross-sectional view of the furnace body of FIG. 1 according to the present invention;

figure 3 is an expanded view of the ventilation box of figure 1 in accordance with the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a furnace body; 2. a support frame; 3. a connecting plate; 4. a support pillar; 5. a base plate; 6. a controller; 7. a shield; 8. a pressure regulating valve; 9. a liquid level meter; 10. a ventilation tube; 11. a two-way joint; 12. an exhaust gas pipe; 13. a three-way joint; 14. an exhaust gas outlet; 15. a transfer tube; 16. bending the pipe; 17. a heat conducting pipe; 18. a ventilation box; 19. a support; 20. an air outlet pipe; 21. a combustion tank; 22. a metal plate; 23. a fuel door; 24. a slide plate; 25. a waste gate; 26. a box cover; 27. a ventilation net; 28. a fixed mount; 29. a blower.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model relates to a waste heat recovery energy saving device for industrial boiler, comprising a furnace body 1 and a ventilation box 18, wherein a supporting frame 2 is arranged on the outer wall of the bottom of the furnace body 1, a connecting plate 3 is welded on the outer wall of the bottom of the supporting frame 2, the connecting plate 3 is welded with a bottom plate 5 through a supporting column 4, a controller 6 is embedded on the outer wall of the front side of the furnace body 1, a protective cover 7 is arranged on the outer side of the controller 6, a pressure regulating valve 8 is arranged above the controller 6 and on the outer wall of the furnace body 1, a liquid level meter 9 is arranged beside the pressure regulating valve 8, a ventilation pipe 10 is embedded on the outer wall of the top end of the left side of the furnace body 1, a two-way joint 11 is sleeved on the ventilation pipe 10, a waste gas pipe 12 is embedded on the outer wall of the top end of the right side of the furnace body 1, and the front side wall of the three-way joint 13 is provided with an exhaust gas outlet 14, and the adapter tube 15 is communicated with the heat conducting tube 17 through a bent tube 16.

As shown in fig. 1, a bracket 19 is welded on the bottom plate 5, the L-shaped bracket 19 can support and clamp the ventilation box 18 for positioning, the heat pipe 17 is inserted in the top outer wall of the ventilation box 18, the left outer wall of the ventilation box 18 is inserted with an air outlet pipe 20, and the ventilation box 18 can be communicated with a combustion groove 21 in the furnace body 1 through the air outlet pipe 20.

As shown in fig. 1-2, the combustion chamber 21 inside the furnace body 1 is disposed at the bottom of the furnace body 1, and the metal plate 22 is used for separating the chambers, and the metal plate 22 can also play a role of heat conduction, while the left side wall of the furnace body 1 on the left side of the combustion chamber 21 is provided with a feed inlet, and a fuel door 23 is installed in the feed inlet, fuel can be put into the combustion chamber 21 through the fuel door 23, and a sliding plate 24 on the inner wall of the bottom of the combustion chamber 21 can play a role of fuel diversion, so that the fuel is gathered under the sliding plate 24, and a waste door 25 is embedded on the outer wall of the bottom of the right side of the furnace body 1 at the lower edge of the sliding plate 24, and the waste after combustion can be cleaned through the waste door 25.

As shown in fig. 1 and 3, two fixing frames 28 are provided inside the ventilating box 18, and the fixing frames 28 are in a cross structure, so that the blower 29 can be fixed inside the ventilating box 18 through the fixing frames 28, and meanwhile, the ventilation net 27 on the box cover 26 of the ventilating box 18 can communicate the internal environment and the external environment of the ventilating box 18, thereby facilitating the heat dissipation work of the blower 29 and the formation of gas circulation, while the air inlet of the blower 29 is communicated with the heat pipe 17, and the air outlet thereof is communicated with the combustion groove 21 through the air outlet pipe 20, thereby achieving the heat transfer work.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, any technical solution recorded in the foregoing embodiments is modified, and some technical features are replaced by equivalent, all belonging to the protection scope of the present invention.

Claims

1. The utility model provides a waste heat recovery economizer for industrial boiler, includes furnace body (1), scavenging air case (18), its characterized in that: the furnace body is characterized in that a support frame (2) is arranged on the outer wall of the bottom of the furnace body (1), a connecting plate (3) is welded on the outer wall of the bottom of the support frame (2), the connecting plate (3) is connected with a bottom plate (5) in a welding manner through a support column (4), a controller (6) is embedded on the outer wall of the front side of the furnace body (1), a protective cover (7) is arranged on the outer side of the controller (6), a pressure regulating valve (8) is installed above the controller (6) and on the outer wall of the furnace body (1), a liquid level meter (9) is arranged beside the pressure regulating valve (8), a ventilation pipe (10) is embedded on the outer wall of the top end of the left side of the furnace body (1), a two-way joint (11) is sleeved on the ventilation pipe (10), a waste gas pipe (12) is embedded on the outer wall of the top end of the right side of the furnace body (1), a three-way joint (13), and the front side wall of the three-way joint (13) is provided with an exhaust gas outlet (14), and the adapter tube (15) is communicated with the heat conducting tube (17) through a bent tube (16).

2. The waste heat recovery energy-saving device for the industrial boiler is characterized in that a combustion groove (21) is arranged inside the bottom side of the boiler body (1), a metal plate (22) is welded on the inner wall of the top end of the combustion groove (21), a fuel door (23) is installed on the left side wall of the combustion groove (21), a waste material door (25) is installed on the bottom of the right side of the combustion groove (21), and a sliding plate (24) is arranged on the inner wall of the bottom of the combustion groove (21).

3. The waste heat recovery energy-saving device for the industrial boiler is characterized in that a bracket (19) is welded on the outer wall of the upper right side of the bottom plate (5), and the bottom plate (5) is fixedly connected with the bottom of the air exchange box (18) through the bracket (19).

4. The waste heat recovery energy-saving device for the industrial boiler is characterized in that the front outer wall of the air exchange box (18) is fixedly connected with a box cover (26) through a hinge, and the box cover (26) is embedded with an air exchange net (27).

5. The waste heat recovery energy-saving device for the industrial boiler is characterized in that a fixing frame (28) is welded on the inner wall of the air-exchanging box (18), and the air-exchanging box (18) is fixedly connected with the outer wall of the blower (29) through the fixing frame (28).

6. The waste heat recovery energy-saving device for the industrial boiler is characterized in that an air inlet is formed in the outer wall of the upper portion of the air blower (29), a heat conduction pipe (17) is sleeved on the air inlet of the air blower (29), an air outlet is formed in the outer wall of the left side of the air blower (29), an air outlet pipe (20) is sleeved on the air outlet of the air blower (29), and the air blower (29) is communicated with the inner cavity of the combustion groove (21) through the air outlet pipe (20).