Waste gas waste heat utilization device

Abstract

The utility model relates to the technical field of incinerator waste gas waste heat utilization, in particular to a waste gas waste heat utilization device which comprises a heating tank, an installation plate is fixedly connected to the inner wall of the heating tank, a coiled pipe is installed on the lower surface of the installation plate, a heating furnace is welded to the front face of the heating tank, and a circulating pipe is installed on the inner wall of the heating furnace. Waste gas is injected into the three-way pipe through the gas inlet pipe, the injection direction of the waste gas is controlled through the three-way valve, the waste gas is injected into the circulating pipe through the second end of the three-way pipe, waste heat of the waste gas is used for heating the heat conduction plate, a heating point is formed through the heated heat conduction plate, and the bottom end of the circulating pipe is injected into the coiled pipe through the communicating pipe. Water in the heating tank is heated through the coiled pipe, waste gas of the incinerator is recycled, and the problems that waste gas is cooled and energy is wasted due to the fact that waste gas is directly discharged into purification equipment to be purified and filtered in an existing device are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas waste heat utilization incinerators, in particular to a waste gas waste heat utilization device. Background Art

[0002] The principle of the incinerator is to use the combustion of fuels such as coal, oil, and gas to burn and carbonize the objects to be treated at high temperatures to achieve the purpose of disinfection.

[0003] The incinerator will generate a large amount of waste gas during incineration. The waste gas temperature is relatively high. The waste gas is directly discharged into the purification equipment for purification and filtration, which causes the waste gas to cool down and waste energy. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides an exhaust gas waste heat utilization device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waste gas waste heat utilization device, comprising a heating tank, the inner wall of the heating tank is fixedly connected to a mounting plate, the lower surface of the mounting plate is installed with a serpentine pipe, the front of the heating tank is welded with a heating furnace, the inner wall of the heating furnace is installed with a circulation pipe, the back of the circulation pipe is connected to the front of the serpentine pipe through a connecting pipe, and the two ends of the serpentine pipe are respectively connected to the exhaust pipe and the bottom end of the connecting pipe b.

[0006] Preferably, the top end of the connecting pipe b is connected to one end of the tee pipe through the connecting pipe a, and the other two ends of the tee pipe are respectively connected to the air intake pipe and the circulation pipe.

[0007] Preferably, an insert block is inserted into the inner wall of the heating furnace, and a heat conducting plate is fixed to the upper surface of the insert block.

[0008] Preferably, a three-way valve is installed on the upper surface of the three-way pipe.

[0009] Preferably, a one-way valve is installed on the upper surface of the connecting pipe.

[0010] Preferably, the lower surface of the heating tank is connected to one end of the liquid discharge pipe, and the upper surface of the heating tank is connected to one end of the liquid inlet pipe.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] The utility model injects exhaust gas into the three-way pipe through the air inlet pipe, controls the injection direction of the exhaust gas through the three-way valve, and injects the exhaust gas into the circulation pipe through the second end of the three-way pipe, utilizes the residual heat of the exhaust gas to heat the heat conducting plate, forms a heating point by the heated heat conducting plate, and injects the bottom end of the circulation pipe into the serpentine pipe through the connecting pipe, heats the water in the heating tank through the serpentine pipe, and recycles the exhaust gas from the incinerator, thus solving the problem that the existing device directly discharges the exhaust gas into the purification equipment for purification and filtration, which causes the exhaust gas to cool down and causes energy waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the heating tank in the present invention;

[0016] Figure 3 This is a schematic diagram of the three-dimensional structure of the insert block in the utility model;

[0017] In the figure: 1. Heating tank; 2. Heating furnace; 3. Mounting plate; 4. Serpentine pipe; 5. Circulation pipe; 6. Insert block; 7. Heat transfer plate; 8. T-tube; 9. T-valve; 10. Drain pipe; 11. Inlet pipe; 12. Connecting pipe a; 13. Connecting pipe b; 14. Exhaust pipe; 15. Connecting pipe; 16. One-way valve; 17. Inlet pipe. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] Example

[0020] See also Figure 1-Figure 3The utility model provides the following technical solutions: a waste gas waste heat utilization device, comprising a heating tank 1, the inner wall of the heating tank 1 is fixedly connected to a mounting plate 3, a serpentine tube 4 is installed on the lower surface of the mounting plate 3, a heating furnace 2 is welded to the front of the heating tank 1, a circulation pipe 5 is installed on the inner wall of the heating furnace 2, the back of the circulation pipe 5 is connected to the front of the serpentine tube 4 through a connecting pipe 15, and the two ends of the serpentine tube 4 are respectively connected to the exhaust pipe 14 and the bottom end of the connecting pipe b13.

[0021] Specifically, the top end of the connecting pipe b13 is connected to one end of the tee pipe 8 through the connecting pipe a12, and the other two ends of the tee pipe 8 are connected to the air intake pipe 17 and the circulation pipe 5 respectively;

[0022] Specifically, a three-way valve 9 is installed on the upper surface of the three-way pipe 8;

[0023] The exhaust gas is injected into the tee pipe 8 through the air inlet pipe 17, and then injected into the serpentine pipe 4 and the circulation pipe 5 through the two ends of the tee pipe 8;

[0024] The injection direction of the exhaust gas is controlled by the three-way valve 9.

[0025] Specifically, an insert block 6 is inserted into the inner wall of the heating furnace 2, and a heat conducting plate 7 is fixed to the upper surface of the insert block 6;

[0026] The heat conducting plate 7 is positioned and installed by the insert block 6 so as to utilize the waste heat of the exhaust gas to heat the heat conducting plate 7 , and the heated heat conducting plate 7 forms a heating point.

[0027] Specifically, a one-way valve 16 is installed on the upper surface of the connecting pipe 15;

[0028] The exhaust gas is injected into the circulation pipe 5 , and the circulation pipe 5 is injected into the serpentine pipe 4 through the connecting pipe 15 , and is discharged from the heating tank 1 through the serpentine pipe 4 and the exhaust pipe 14 .

[0029] Specifically, the lower surface of the heating tank 1 is connected to one end of the liquid discharge pipe 10, and the upper surface of the heating tank 1 is connected to one end of the liquid inlet pipe 11;

[0030] Water is injected into the heating tank 1 through the liquid inlet pipe 11, and the waste gas in the serpentine pipe 4 heats the water in the heating tank 1, recycling the waste gas from the incinerator;

[0031] The heated water is discharged through the drain pipe 10 for easy use.

[0032] The working principle and use process of this utility model:

[0033] When the utility model is used:

[0034] The exhaust gas is injected into the three-way pipe 8 through the air inlet pipe 17, the injection direction of the exhaust gas is controlled by the three-way valve 9, and the exhaust gas is injected into the circulation pipe 5 through the second end of the three-way pipe 8. The heat conducting plate 7 is heated by the waste heat of the exhaust gas, and a heating point is formed by the heated heat conducting plate 7. The bottom end of the circulation pipe 5 is injected into the serpentine pipe 4 through the connecting pipe 15, and the water in the heating tank 1 is heated by the serpentine pipe 4 to recycle the incinerator exhaust gas.

[0035] The circuits, electronic components and modules involved are all existing technologies and can be fully implemented by those skilled in the art. Needless to say, the content protected by this utility model does not involve improvements to software and methods.

[0036] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A waste gas waste heat utilization device, comprising a heating tank (1), characterized in that: The inner wall of the heating tank (1) is fixedly connected to a mounting plate (3), a serpentine tube (4) is mounted on the lower surface of the mounting plate (3), a heating furnace (2) is welded to the front of the heating tank (1), a circulation tube (5) is mounted on the inner wall of the heating furnace (2), the back of the circulation tube (5) is connected to the front of the serpentine tube (4) through a connecting tube (15), and the two ends of the serpentine tube (4) are respectively connected to the bottom ends of the exhaust pipe (14) and the connecting tube b (13).

2. The exhaust gas waste heat utilization device according to claim 1, characterized in that: The top end of the connecting pipe b (13) is connected to one end of the three-way pipe (8) through the connecting pipe a (12), and the other two ends of the three-way pipe (8) are respectively connected to the air inlet pipe (17) and the circulation pipe (5).

3. The exhaust gas waste heat utilization device according to claim 1, characterized in that: An insert block (6) is inserted into the inner wall of the heating furnace (2), and a heat conducting plate (7) is fixed to the upper surface of the insert block (6).

4. The exhaust gas waste heat utilization device according to claim 2, characterized in that: A three-way valve (9) is installed on the upper surface of the three-way pipe (8).

5. The exhaust gas waste heat utilization device according to claim 1, characterized in that: A one-way valve (16) is installed on the upper surface of the connecting pipe (15).

6. The exhaust gas waste heat utilization device according to claim 1, characterized in that: The lower surface of the heating tank (1) is connected to one end of the liquid discharge pipe (10), and the upper surface of the heating tank (1) is connected to one end of the liquid inlet pipe (11).

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