Heat recovery device of combined heat and power generation combustion boiler

Abstract

The utility model discloses a heat recovery device of a combined heat and power generation combustion boiler, which belongs to the technical field of combined heat and power generation combustion boilers and comprises a recovery tank, an air inlet, a first maintenance door, a second maintenance door, an air outlet, a filter screen, a water storage tank, a water conveying pipe, a mounting shell, a sliding chute, a displacement component, a slideway plate, a hose, a connecting elbow and a spray header, an air inlet is formed in the lower portion of one side of a recycling tank, a first maintenance door is arranged on one side of the recycling tank, a second maintenance door is arranged above the first maintenance door, an air outlet is formed in the top of the recycling tank, a filter screen is installed in the recycling tank, a water storage tank is connected to one side of the recycling tank, and a water conveying pipe is arranged in the water storage tank. A mounting shell is arranged on the outer side of one end of the water conveying pipe, a displacement assembly is arranged in the mounting shell, a hose is arranged at one end of the water conveying pipe, connection with the spraying head is achieved, full spraying in the recycling tank can be achieved through the displacement assembly, and therefore the heat recycling rate is effectively increased.

Description

Technical Field

[0001] The utility model relates to the technical field of cogeneration combustion boilers, in particular to a heat recovery device for a cogeneration combustion boiler. Background Art

[0002] Heat recovery devices for combined heat and power combustion boilers play an important role in energy saving and consumption reduction, improving economic benefits, reducing environmental pollution and optimizing system performance. With the continuous advancement of technology and the continuous promotion of applications, heat recovery devices will play a greater role in the field of combined heat and power and make positive contributions to sustainable development.

[0003] Most of the boiler heat recovery devices currently in use usually adopt the method of condensing the flue gas waste heat and then recovering it. The recovery achieved in this way depends on the efficiency of the condensation process. Many devices have poor condensation efficiency. For this reason, we propose a cogeneration combustion boiler heat recovery device. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a heat recovery device for a cogeneration combustion boiler, which overcomes the deficiencies of the prior art and aims to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heat recovery device for a cogeneration combustion boiler, comprising a recovery tank, an air inlet is provided at the lower side of one side of the recovery tank, a first maintenance door is provided at one side of the recovery tank, a second maintenance door is provided above the first maintenance door, an air outlet is provided at the top of the recovery tank, and a filter is installed inside the recovery tank;

[0006] A water storage tank is arranged on one side of the recovery tank, a water pipe is installed in the water storage tank, a mounting shell is arranged at one end of the water pipe, a slide groove is opened on one side of the mounting shell, a displacement component is arranged inside the mounting shell, slide plates are arranged on both sides of the displacement component, a hose is arranged on one side of the displacement component, a connecting elbow is arranged on one side of the displacement component, and a spray head is arranged at the end of the connecting elbow.

[0007] As a preferred technical solution of the utility model, a water storage tank is welded on one side of the recovery tank, and the recovery tank and the water storage tank are connected to each other. The efficiency of waste heat recovery is ensured by cooling the condensed water through the water storage tank.

[0008] As a preferred technical solution of the utility model, a water pump is arranged inside the water storage tank, and a water delivery pipe is arranged on the water pump inside the water storage tank, so as to realize the recycling of water resources and save resources.

[0009] As a preferred technical solution of the utility model, the displacement assembly includes a slider, a first connecting rod, a rotating rod, a connecting shaft, a driven gear, a driving gear, a second connecting rod, and a driving motor. A slider is installed between the slide plates, a first connecting rod is provided on one side of the slider, a rotating rod is provided on the end of the first connecting rod, a connecting shaft is provided at one end of the rotating rod, a driven gear is sleeved on the connecting shaft, a driving gear is provided on one side of the driven gear, a second connecting rod is passed through the center of the driving gear, and a driving motor is provided at one end of the second connecting rod. The displacement assembly increases the spraying range of the sprinkler head and effectively improves the recovery rate of waste heat.

[0010] As a preferred technical solution of the utility model, a hose is provided on one side of the slider, and a connecting elbow is provided on one end of the slider. The hose has a suitable length and is convenient for moving with the slider.

[0011] As a preferred technical solution of the utility model, a connecting elbow is provided in the slide groove to realize displacement guidance of the sprinkler head.

[0012] As a preferred technical solution of the utility model, a spray head is riveted to the end of the connecting elbow, which facilitates the disassembly and replacement of the spray head and avoids the situation where the recovery efficiency is reduced due to clogging of the spray head.

[0013] Beneficial effects of the utility model:

[0014] The utility model provides a water storage tank that ensures sufficient cooling of condensed water and improves condensation efficiency; a displacement component realizes reciprocating spraying of the spray head, expands the spraying range, and thus improves the heat recovery efficiency of the boiler; a filter screen is provided to partially filter impurities in the flue gas; the spray head is detachable for easy maintenance to avoid affecting the recovery efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the recovery tank of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure inside the installation shell of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the displacement component of the utility model.

[0019] In the figure: 1. recovery tank; 2. air inlet; 3. first maintenance door; 4. second maintenance door; 5. air outlet; 6. filter screen; 7. water storage tank; 8. water pipe; 9. installation shell; 901. slide groove; 10. displacement assembly; 1001. slider; 1002. first connecting rod; 1003. rotating rod; 1004. connecting shaft; 1005. driven gear; 1006. driving gear; 1007. second connecting rod; 1008. driving motor; 11. slide plate; 12. hose; 13. connecting elbow; 14. sprinkler head. DETAILED DESCRIPTION

[0020] 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.

[0021] Example

[0022] See also Figure 1-Figure 4 A heat recovery device for a combined heat and power combustion boiler comprises a recovery tank 1, an air inlet 2 is provided at the lower side of the recovery tank 1, a first maintenance door 3 is provided at one side of the recovery tank 1, a second maintenance door 4 is provided above the first maintenance door 3, an air outlet 5 is provided at the top of the recovery tank 1, and a filter screen 6 is installed inside the recovery tank 1;

[0023] A water storage tank 7 is provided on one side of the recovery tank 1, a water pipe 8 is installed in the water storage tank 7, a mounting shell 9 is provided at one end of the water pipe 8, a slide groove 901 is provided on one side of the mounting shell 9, a displacement component 10 is provided inside the mounting shell 9, slide plates 11 are provided on both sides of the displacement component 10, a hose 12 is provided on one side of the displacement component 10, a connecting elbow 13 is provided on one side of the displacement component 10, and a spray head 14 is provided at the end of the connecting elbow 13.

[0024] In this embodiment, a spray head 14 is riveted to the end of the connecting elbow 13, and the spray head 14 can be maintained through the second maintenance door 4, thereby reducing waste of resources.

[0025] In this embodiment, a connecting elbow 13 is provided in the slide groove 901 , and the connecting elbow 13 reciprocates in the slide groove 901 to realize reciprocating spraying of the spray head 14 .

[0026] In this embodiment, a hose 12 is provided on one side of the slider 1001, and a connecting elbow 13 is provided at one end of the slider 1001. The length of the hose 12 is sufficient for the slider 1001 to slide in the slide plate 11, and the displacement of the connecting elbow 13 is achieved through the displacement of the slider 1001.

[0027] In this embodiment, the displacement assembly 10 includes a slider 1001, a first connecting rod 1002, a rotating rod 1003, a connecting shaft 1004, a driven gear 1005, a driving gear 1006, a second connecting rod 1007, and a driving motor 1008. The slider 1001 is installed between the slide plates 11, the first connecting rod 1002 is provided on one side of the slider 1001, the rotating rod 1003 is provided at the end of the first connecting rod 1002, the connecting shaft 1004 is provided at one end of the rotating rod 1003, and the driven gear 1005 is sleeved on the connecting shaft 1004. 005, a driving gear 1006 is arranged on one side of the driven gear 1005, a second connecting rod 1007 is passed through the center of the driving gear 1006, a driving motor 1008 is arranged on one end of the second connecting rod 1007, after the driving motor 1008 is running, the second connecting rod 1007 drives the driving gear 1006 to rotate, and the driven gear 1005 is meshed therewith, so that the rotating rod 1003 drives the slider 1001 to slide in the slide plate 11 through the first connecting rod 1002, wherein the driven gear 1005 is positioned through the connecting shaft 1004.

[0028] In this embodiment, a water pump is provided inside the water storage tank 7 , and a water pipe 8 is provided on the water pump inside the water storage tank 7 . The water pipe 8 transports the condensed water in the water storage tank 7 to the sprinkler head 14 through the water pump.

[0029] In this embodiment, a water storage tank 7 is welded to one side of the recovery tank 1, and the recovery tank 1 and the water storage tank 7 are connected to each other, so as to realize the recycling of water resources and be more environmentally friendly.

[0030] Working principle: The high-temperature flue gas released by the combustion of cogeneration is passed into the recovery tank 1 through the air inlet 2. The hot gas rises and passes through the filter 6 to filter out some impurities. The spray head 14 sprays back and forth in the recovery tank 1, so that the water vapor in the high-temperature flue gas condenses, and the sensible heat of the flue gas and the condensation heat of the water vapor are recovered. The excess condensed water returns to the bottom of the recovery tank 1, and the condensed water returns to the water storage tank 7 to achieve cooling, and enters the water pipe 8 again, and enters the spray head 14 through the hose 12 and the connecting elbow 13 for circulating and reciprocating spraying.

[0031] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A heat recovery device for a combined heat and power combustion boiler, comprising a recovery tank (1), characterized in that: An air inlet (2) is provided at the lower side of one side of the recovery tank (1), a first maintenance door (3) is provided at one side of the recovery tank (1), a second maintenance door (4) is provided above the first maintenance door (3), an air outlet (5) is provided at the top of the recovery tank (1), and a filter screen (6) is installed inside the recovery tank (1); A water storage tank (7) is provided on one side of the recovery tank (1), a water delivery pipe (8) is installed in the water storage tank (7), a mounting shell (9) is provided at one end of the water delivery pipe (8), a slide groove (901) is provided on one side of the mounting shell (9), a displacement assembly (10) is provided inside the mounting shell (9), slide plates (11) are provided on both sides of the displacement assembly (10), a hose (12) is provided on one side of the displacement assembly (10), a connecting elbow (13) is provided on one side of the displacement assembly (10), and a spray head (14) is provided at the end of the connecting elbow (13).

2. A heat recovery device for a combined heat and power combustion boiler according to claim 1, characterized in that: A water storage tank (7) is welded to one side of the recovery tank (1), and the recovery tank (1) and the water storage tank (7) penetrate each other.

3. The heat recovery device for a combined heat and power combustion boiler according to claim 1, characterized in that: A water pump is arranged inside the water storage tank (7), and a water delivery pipe (8) is arranged on the water pump inside the water storage tank (7).

4. The heat recovery device for a combined heat and power combustion boiler according to claim 1, characterized in that: The displacement assembly (10) comprises a slider (1001), a first connecting rod (1002), a rotating rod (1003), a connecting shaft (1004), a driven gear (1005), a driving gear (1006), a second connecting rod (1007), and a driving motor (1008). The slider (1001) is installed between the slide plates (11), and a first connecting rod (1002) is provided on one side of the slider (1001). The first connecting rod (1002) 02) is provided with a rotating rod (1003) at the end thereof, a connecting shaft (1004) is provided at one end of the rotating rod (1003), a driven gear (1005) is sleeved on the connecting shaft (1004), a driving gear (1006) is provided on one side of the driven gear (1005), a second connecting rod (1007) is passed through the center of the driving gear (1006), and a driving motor (1008) is provided at one end of the second connecting rod (1007).

5. A heat recovery device for a combined heat and power combustion boiler according to claim 4, characterized in that: A hose (12) is provided on one side of the slider (1001), and a connecting elbow (13) is provided on one end of the slider (1001).

6. The heat recovery device for a combined heat and power combustion boiler according to claim 1, characterized in that: A connecting elbow (13) is provided in the slide groove (901).

7. The heat recovery device for a combined heat and power combustion boiler according to claim 1, characterized in that: A spray head (14) is riveted to the end of the connecting elbow (13).

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