Waste gas waste heat recovery device for central heating

Abstract

The waste gas waste heat recovery device comprises a water storage tank, copper bent pipes and a box body, a water injection hole is formed in the upper end of the water storage tank, a water drainage pipe is arranged at the lower end of the side face of the water storage tank, the copper bent pipes are transversely and fixedly erected in the water storage tank, and the two ends of each copper bent pipe penetrate through the side wall of the water storage tank. The box body is arranged on the side face of the water storage tank, a gas inlet pipe is arranged at the upper end of the box body, a gas outlet pipe communicated with the copper bent pipe is arranged on the side face of the box body, the box body is filled with activated carbon blocks, and a first control valve is arranged on the gas outlet pipe. And then the gas flows through the copper bent pipe, heat in the waste gas can be conducted through the copper bent pipe to heat water in the water storage tank, waste heat is utilized, and more energy is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to technical fields, concretely relates to waste heat recovery device for central heating. BACKGROUND

[0002] Central heating refers to the steam, hot water generated by the central heat source, through the pipe network to supply a city or part of the region to produce, heating and living heat, central heating system is composed of heat source, heating pipe network, heat user three parts, the power plant of heat and power cogeneration, central boiler room, industrial and other waste heat, geothermal, nuclear energy, solar energy, heat pump, also can be by several heat sources common composition multi-heat source combined heating system, in the part of heat source will produce waste gas, there is heat in waste gas, direct emission not only wastes resources, also can pollute the environment, in order to solve the above problem, we propose a waste heat recovery device for central heating. UTILITY MODEL CONTENTS

[0003] (I) technical problem to be solved

[0004] In order to overcome the prior art, the waste heat recovery device for central heating is proposed, the waste gas first enters, the activated carbon block in it is used to absorb and filter the harmful substances in the waste gas, and the emission is more environmentally friendly, then the gas flows through the copper bending pipe, the heat in the waste gas is conducted to heat the water in the water storage tank through the copper bending pipe, and the waste heat is utilized, which is more energy-saving.

[0005] (II) technical scheme

[0006] The utility model discloses a waste heat recovery device for central heating, including water storage tank, copper bending pipe and box body, its characterized in that: the upper end of water storage tank is equipped with water injection hole, and the lower end of the side surface of water storage tank is provided with drain pipe, a plurality of copper bending pipes are horizontally fixed and arranged in water storage tank, and the both ends of copper bending pipe penetrate through the side wall of water storage tank, the box body is arranged on the side surface of water storage tank, the upper end of box body is provided with inlet pipe, the side surface of box body is provided with the outlet pipe that communicates with copper bending pipe, the inside of box body is filled with activated carbon block, and the first control valve is arranged on the outlet pipe.

[0007] Further, the lower end surface of the water storage tank is fixedly provided with a supporting leg at four corners.

[0008] Further, the side surface of the water storage tank is provided with a liquid level observation window.

[0009] Further, a mesh plate is vertically fixedly arranged in the box body at the outlet pipe.

[0010] Further, the second control valve is arranged on the drain pipe.

[0011] (III) beneficial effects

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The waste gas first enters, and the activated carbon block in it absorbs the harmful substances in the waste gas, so that the emission is more environmentally friendly.

[0014] 2. The gas flows through the copper bending pipe, and the heat in the waste gas is conducted through the copper bending pipe to heat the water in the water storage tank, so that the waste heat is utilized, and the energy saving is more. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model.

[0016] Figure 2 It is a structural sectional view of the water storage tank in the utility model.

[0017] Figure 3 It is a structural sectional view of the box body in the utility model.

[0018] 1- water storage tank;2- copper bending pipe;3- box body;4- drain pipe;5- activated carbon block;6- first control valve;7- leg;8- liquid level observation window;9- mesh plate;10- second control valve;11- water injection hole;31- air inlet pipe;32- air outlet pipe. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0020] As Figure 1 , Figure 2 and Figure 3 indicated, the waste heat recovery device for central heating, comprising a water storage tank 1, a copper bending pipe 2 and a box body 3, characterized in that: the upper end of the water storage tank 1 is provided with a water injection hole 11, the side surface lower end of the water storage tank 1 is provided with a drain pipe 4, a plurality of copper bending pipes 2 are fixed horizontally in the water storage tank 1, the two ends of the copper bending pipe 2 penetrate the side wall of the water storage tank 1, the box body 3 is arranged on the side surface of the water storage tank 1, the upper end of the box body 3 is provided with an air inlet pipe 31, the side surface of the box body 3 is provided with an air outlet pipe 32 communicated with the copper bending pipe 2, the inside of the box body 3 is filled with activated carbon blocks 5, and the air outlet pipe 32 is provided with a first control valve 6.

[0021] The lower end surface of the water storage tank 1 is fixedly provided with four supporting legs 7; the side surface of the water storage tank 1 is provided with a liquid level observation window 8; a mesh plate 9 is vertically fixed in the box body 3 at the air outlet pipe 32; and the water drainage pipe 4 is provided with a second control valve 10.

[0022] The waste gas emission pipe is connected to the air inlet pipe 31 above the box body 3, the waste gas is discharged into the box body 3, the box body 3 is internally filled with activated carbon blocks 5, the activated carbon blocks 5 can absorb and filter harmful substances in the waste gas, the side surface of the box body 3 is provided with air outlet pipes 32 in communication with the copper bending pipes 2, the filtered waste gas flows through the copper bending pipes 2 and is discharged, the heat in the waste gas is conducted through the copper bending pipes 2 to heat the water in the water storage tank 1, the waste heat is utilized, the energy saving is improved, the upper end of the water storage tank 1 is provided with a water injection hole 11, and the side surface of the water storage tank 1 is provided with a water drainage pipe 4 at the lower end, so that the water storage tank 1 is conveniently filled with water and drained.

[0023] The side surface of the water storage tank 1 is provided with a liquid level observation window 8, the water level height can be observed, the air outlet pipes 32 are provided with first control valves 6, and the air outlet pipes 32 to be opened are selected according to the water level height.

[0024] The above-described embodiments are only used for describing the preferred embodiments of the utility model, and do not limit the design concept and range of the utility model. Without departing from the design concept of the utility model, various modifications and improvements of the technical scheme of the utility model made by the person skilled in the art should fall into the protection range of the utility model, and the technical content of the utility model claimed for protection has been entirely recorded in the claim.

Claims

1. A waste heat recovery device for centralized heating, comprising a water storage tank (1), a copper bent pipe (2), and a housing (3), characterized in that: The upper end of the water storage tank (1) is provided with a water inlet (11), and the lower end of the side of the water storage tank (1) is provided with a drain pipe (4). Several copper bent pipes (2) are horizontally fixed inside the water storage tank (1). The two ends of the copper bent pipes (2) penetrate the side wall of the water storage tank (1). The box body (3) is provided on the side of the water storage tank (1). The upper end of the box body (3) is provided with an air inlet pipe (31). The side of the box body (3) is provided with an air outlet pipe (32) that communicates with the copper bent pipes (2). The inside of the box body (3) is filled with activated carbon blocks (5). A first control valve (6) is provided above the air outlet pipe (32).

2. The waste heat recovery device for centralized heating according to claim 1, characterized in that: The water storage tank (1) is fixedly provided with support legs (7) at the four corners of its lower end face.

3. The waste heat recovery device for centralized heating according to claim 1, characterized in that: The water storage tank (1) is provided with a liquid level observation window (8) on its side.

4. The waste heat recovery device for centralized heating according to claim 1, characterized in that: A perforated plate (9) is vertically fixed inside the box (3) at the air outlet (32).

5. The waste heat recovery device for centralized heating according to claim 1, characterized in that: A second control valve (10) is installed above the drain pipe (4).

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