Emission reduction device for energy-saving boiler

Abstract

The emission reduction device for the energy-saving boiler comprises a bottom plate, the left side of the top of the bottom plate is fixedly connected with a frame base, the top of the frame base is fixedly connected with an energy-saving boiler body, and the right side of the top of the energy-saving boiler body is fixedly communicated with a high-temperature-resistant air valve. The top output end of the high-temperature-resistant air valve is fixedly communicated with an air guide pipe, a plurality of porous ring plates are upwards fixed to the outer side of the bottom end of the air guide pipe at equal intervals, a plurality of elastic filter belts are vertically fixed between the adjacent porous ring plates, and deposition filter cylinders are vertically attached to the outer sides of the elastic filter belts in a sliding frame mode; according to the invention, part of pollutants and toxic gases in the flue gas are subjected to chemical reaction deposition removal and water-soluble decontamination, meanwhile, the pollutants and toxic gases are physically adsorbed, and sludge is subjected to centralized pollution discharge treatment, so that the manpower consumption is reduced, direct contact between people and the flue gas is avoided, and the device is safer.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial boiler technical field especially relates to a kind of energy-saving boiler is used in emission reduction device. BACKGROUND

[0002] Energy-saving boiler is also called waste heat boiler, as its name implies, refers to the waste gas, waste or waste liquid in various industrial processes and the heat generated after the combustion of combustible substances in it Heat the water to a certain working medium, waste heat boiler can produce hot water or steam through waste heat recovery to supply other sections, energy-saving boiler will produce a lot of dust and other impurities in daily use, these impurities will be discharged along the direction of chimney and affect the surrounding environment, therefore, people usually set up emission reduction device in the chimney of boiler, to as much as possible to adsorb dust and other impurities;

[0003] Common emission reduction mode is to increase physical filter device in flue gas discharge pipeline to adsorb and remove pollutants therein, but the purification intensity of this mode is limited, only part of large-particle pollutants can be removed, harmful gases and part of particulate pollutants are difficult to clean up completely, at the same time, such flue gas contains more pollution particles, which will soon form blockage in filter pore in the process of continuous smoke discharge, frequent cleaning is needed, which consumes more manpower, and the flue gas is easy to cause certain harm to workers, in addition, the heat of flue gas is high, which is wasted directly, not energy-saving, after searching, it is found that the technical solution of the utility model with application number CN202321921380.3 also has the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of energy-saving boiler is used in emission reduction device, can carry out chemical reaction deposition removal and water-soluble pollution to part of pollutants and toxic gas in flue gas, simultaneously carries out physical adsorption, and can carry out centralized pollution treatment, reduces manpower consumption, avoids direct contact with flue gas, is safer, in addition, carries out water cooling heat exchange operation to high-temperature flue gas, achieves secondary utilization of waste heat, improves energy-saving intensity.

[0005] In order to achieve the above object, an energy-saving boiler emission reduction device is provided, which comprises a bottom plate, a seat fixedly connected to the top left side of the bottom plate, an energy-saving boiler body fixedly connected to the top of the seat, a high-temperature gas valve fixedly communicated to the top right side of the energy-saving boiler body, a gas guide pipe fixedly communicated to the top output end of the high-temperature gas valve, a plurality of porous ring plates fixedly arranged on the bottom end outer side of the gas guide pipe, a plurality of elastic filter belts fixedly arranged vertically between the adjacent porous ring plates, a deposition filter cartridge slidably arranged on the outer side of the elastic filter belt, a reaction solution arranged in the inner side of the deposition filter cartridge, a pollution discharge valve fixedly communicated to the right side bottom of the deposition filter cartridge, a support fixedly connected to the bottom center of the deposition filter cartridge, the bottom end of the support is fixedly connected to the bottom plate, a double-layer circular flow silo fixedly arranged in the outer middle side of the deposition filter cartridge, a water inlet pipe fixedly communicated to the right upper side of the double-layer circular flow silo, and a drain pipe fixedly communicated to the right lower side of the double-layer circular flow silo. The flue gas is guided downward by the gas guide pipe, and the deposition filter cartridge is arranged on the outer side of the gas guide pipe to chemically react, deposit and remove part of the pollutants and toxic gases in the flue gas, and the flue gas is physically adsorbed by the porous ring plate and the elastic filter belt arranged on the upward floating path of the flue gas. The design of the elastic filter belt can be pushed by the rising flue gas when the pollutants accumulated on the elastic filter belt are too much, so as to shake left and right, thereby shaking off the sludge on the elastic filter belt and sinking into the bottom of the deposition filter cartridge for centralized pollution discharge treatment, reducing the labor consumption, avoiding direct contact with the flue gas, being more safe, and realizing the secondary utilization of waste heat by arranging the double-layer circular flow silo around the outer side of the deposition filter cartridge to perform water cooling and heat exchange on the high-temperature flue gas, thereby improving the energy-saving strength.

[0006] According to the energy-saving boiler emission reduction device, the top right side of the bottom plate is provided with a sludge tank, and the sludge tank is located on the right lower side of the pollution discharge valve. The adsorbed flue gas sludge is periodically discharged and purified.

[0007] According to the energy-saving boiler emission reduction device, the outer side of the gas guide pipe is covered with a heat preservation sleeve. The heat loss of the flue gas is reduced.

[0008] According to the energy-saving boiler emission reduction device, a dust ring net is slidably arranged on the inner side of the top of the deposition filter cartridge, and the inner side of the dust ring net is fixedly connected with the gas guide pipe. The dust ring net protects the outside from dust fall, and prevents the continuous splashing of the filter water upward from causing environmental pollution.

[0009] According to the energy-saving boiler emission reduction device, the right ends of the water inlet pipe and the drain pipe are respectively fixedly communicated with a water supply device and a hot water utilization device, so as to continuously and quickly transfer and utilize the hot water, thereby reducing the heat loss.

[0010] According to the energy-saving boiler emission reduction device, the left middle part of the deposition filter cartridge is fixedly connected with a cushion block, and the left side of the cushion block is fixedly connected with the energy-saving boiler body.

[0011] According to the energy-saving boiler emission reduction device, a temperature sensor is arranged on the drain pipe and extends into the inside of the drain pipe to monitor the water temperature in real time.

[0012] The above-mentioned scheme has the beneficial effects that:

[0013] In the utility model, the flue gas is guided downward through the air guide pipe, and the deposition filter cartridge is erected outside the air guide pipe to chemically react, deposit and remove part of the pollutants and toxic gases in the flue gas, and the porous ring plate and the elastic filter belt are arranged on the path of the upward floating flue gas to physically adsorb the flue gas, the elastic filter belt is designed to shake left and right when the pollutants accumulated thereon are too much, thereby shaking off the sludge thereon and sinking into the bottom of the deposition filter cartridge through the porous ring plate to concentrate and discharge the pollutants, manpower consumption is reduced, direct contact with the flue gas is avoided, safety is improved, and the double-layer circular flow silo is arranged around the outside of the deposition filter cartridge to perform water cooling and heat exchange on the high-temperature flue gas, the waste heat is reused, and the energy-saving intensity is improved.

[0014] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further explained in connection with the drawings and examples;

[0016] Figure 1 It is the connection structure schematic view of the deposition filter cartridge in the utility model energy-saving boiler emission reduction device;

[0017] Figure 2 It is the connection structure schematic view of the porous ring plate and the elastic filter band in the utility model energy-saving boiler emission reduction device;

[0018] Figure 3 It is the connection structure schematic view of the double-layer circular flow silo in the utility model energy-saving boiler emission reduction device;

[0019] Figure 4 It is the whole schematic view of the utility model energy-saving boiler emission reduction device.

[0020] Legend:

[0021] 1, bottom plate; 2, pedestal; 3, energy-saving boiler main body; 4, high-temperature resistant gas valve; 5 gas guide pipe; 6, porous ring plate; 7, elastic filter belt; 8, sediment filter cartridge; 9, blowdown valve; 10, double-layer circulating silo; 11, water inlet pipe; 12, drain pipe; 13, support; 14, sludge tank; 15, dust ring net. DETAILED DESCRIPTION

[0022] This part will describe the specific embodiments of the utility model in detail, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0023] Referring to Figures 1-4 , the utility model embodiment provides a kind of energy-saving boiler is used to reduce emission device, it include: bottom plate 1, the top left side of bottom plate 1 is fixedly connected with pedestal 2, the top of pedestal 2 is fixedly connected with energy-saving boiler main body 3, the top right side of energy-saving boiler main body 3 is fixedly connected with high-temperature resistant gas valve 4, the top output end of high-temperature resistant gas valve 4 is fixedly connected with gas guide pipe 5, the outside of gas guide pipe 5 is covered with a layer of heat preservation cover, the bottom end outside of gas guide pipe 5 is fixed with several porous ring plates 6 upwards equidistantly, several elastic filter belts 7 are vertically fixed between adjacent porous ring plates 6, sediment filter cartridge 8 is slidably arranged on the outside of elastic filter belt 7, the left side of sediment filter cartridge 8 is fixedly connected with cushion block, the left side of cushion block is fixedly connected with energy-saving boiler main body 3, reaction solution is contained in the inside of sediment filter cartridge 8, dust ring net 15 is slidably arranged on the top inside of sediment filter cartridge 8, the inside of dust ring net 15 is fixedly connected with gas guide pipe 5, chemical reaction deposition removal and water-soluble decontamination are carried out to part of pollutant and toxic gas in flue gas, and physical adsorption is carried out to it simultaneously, improve filtering effect, wherein the aperture of porous ring plate is larger and does not affect the normal floating of particulate pollutant, without isolation effect.

[0024] The right bottom of sediment filter cartridge 8 is fixedly connected with blowdown valve 9, the bottom center of sediment filter cartridge 8 is fixedly connected with support 13, the bottom end of support 13 is fixedly connected with bottom plate 1, sludge tank 14 is arranged on the right side of the top of bottom plate 1, sludge tank 14 is located at the right lower side of blowdown valve 9, double-layer circulating silo 10 is nested and fixed on the outside middle part of sediment filter cartridge 8, water inlet pipe 11 is fixedly connected with the right upper portion of double-layer circulating silo 10, drain pipe 12 is fixedly connected with the right lower portion of double-layer circulating silo 10, one temperature sensor is assembled on drain pipe 12 and corresponds to extend into the inside of drain pipe 12 to monitor water temperature in real time, the right end of water inlet pipe 11 and drain pipe 12 respectively extends and is fixedly connected with water supply equipment and hot water utilization equipment, water cooling heat exchange operation is carried out to high-temperature flue gas, to achieve the secondary utilization of waste heat, improve energy-saving intensity.

[0025] Working principle: by setting up the gas duct 5 exports flue gas downward and its outside cooperation set up deposition filter cartridge 8 to the part of the pollutants and toxic gases in flue gas chemical reaction deposition removal and water-soluble pollution, while the flue gas upward on the path of setting up porous ring plate 6 cooperate several elastic filter belt 7 to its physical adsorption, and the design of elastic filter belt 7 can accumulate too much pollutants on it by the rising flue gas push it to swing left and right, and then shake off the sludge on it and through the porous ring plate 6 sink into the bottom of deposition filter cartridge 8 to concentrate pollution treatment, reduce the labor consumption, and avoid direct contact with the flue gas, more safe, in addition, the outside of deposition filter cartridge 8 around the setting double-layer ring flow silo 10 to high temperature flue gas water cooling heat exchange operation, to achieve the secondary use of waste heat, improve the energy saving intensity.

[0026] The embodiments of the utility model are explained in detail in combination with the drawings above, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. An emission reduction device for an energy saving boiler, comprising: The bottom plate (1) is characterized in that the top left side of the bottom plate (1) is fixedly connected with a bracket (2), the top of the bracket (2) is fixedly connected with an energy-saving boiler body (3), the top right side of the energy-saving boiler body (3) is communicated and fixedly connected with a high-temperature-resistant gas valve (4), the top output end of the high-temperature-resistant gas valve (4) is communicated and fixedly connected with a gas guide pipe (5), the bottom end outer side of the gas guide pipe (5) is fixedly connected with a plurality of porous ring plates (6) at equal intervals upward, a plurality of elastic filter belts (7) are vertically fixed between the adjacent porous ring plates (6), a deposition filter cylinder (8) is slidably arranged on the outer side of the elastic filter belt (7) upward and downward, the inner side of the deposition filter cylinder (8) is provided with a reaction solution, the right side bottom of the deposition filter cylinder (8) is communicated and fixedly connected with a blowdown valve (9), the bottom center of the deposition filter cylinder (8) is fixedly connected with a support (13), the bottom end of the support (13) is fixedly connected with the bottom plate (1), the outer side of the deposition filter cylinder (8) is fixedly connected with a double-layer circular flow silo (10) in the middle, the right side upper part of the double-layer circular flow silo (10) is communicated and fixedly connected with a water inlet pipe (11), and the right side lower part of the double-layer circular flow silo (10) is communicated and fixedly connected with a drain pipe (12).

2. The energy-saving emission reduction device for a boiler according to claim 1, characterized in that, The top right side of the bottom plate (1) is provided with a sludge tank (14), and the sludge tank (14) is located at the right lower side of the blowdown valve (9).

3. The energy-saving emission reduction device for a boiler according to claim 1, characterized in that, The outer side of the gas guide pipe (5) is covered with a heat preservation sleeve.

4. The energy-saving emission reduction device for a boiler according to claim 1, characterized in that, The top inner side of the deposition filter cylinder (8) is slidably connected with a dustproof ring net (15) upward and downward, and the inner side of the dustproof ring net (15) is fixedly connected with the gas guide pipe (5).

5. The energy-saving emission reduction device for a boiler according to claim 1, characterized in that, The right ends of the water inlet pipe (11) and the drain pipe (12) are respectively communicated and fixedly connected with water supply equipment and hot water utilization equipment.

6. The energy-saving emission reduction device for a boiler according to claim 1, characterized in that, The left side of the deposition filter cylinder (8) is fixedly connected with a cushion block, and the left side of the cushion block is fixedly connected with the energy-saving boiler body (3).

7. The energy-saving emission reduction device for a boiler according to claim 1, characterized in that, A temperature sensor is arranged on the drain pipe (12) and extends into the interior of the drain pipe (12) to monitor the water temperature in real time.

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