CN211119451U

CN211119451U - Energy-concerving and environment-protective flue gas waste heat recovery boiler

Info

Publication number: CN211119451U
Application number: CN201921092887.6U
Authority: CN
Inventors: 夏英志
Original assignee: Henan Yuqian Technology Transfer Center Co Ltd
Current assignee: Sichuan Qigaoxin Energy Technology Co ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-07-28
Anticipated expiration: 2029-07-12

Abstract

An energy-saving and environment-friendly flue gas waste heat recovery boiler effectively solves the problems that the flue gas of the boiler is not easy to treat and the liquid purification efficiency in a purification device is gradually lowered; a water inlet pipe communicated with the box body is arranged on the left side of the box body, a slide rail is arranged at the opening of the water inlet pipe in the box body, a baffle plate capable of moving left and right is arranged in the slide rail, the lower end of the baffle plate extends out of the slide rail, a groove positioned below the water inlet pipe is arranged on the left side of the box body, a spring is arranged in the groove, and the end part of the spring; can make the flue gas advance to cross the filtration of solution in the box, add the pipe through adding alkaline solution from the medicament, get rid of heavy metal in the flue gas, it is healthy to avoid its row harm people in the air, filter dust granule in the flue gas simultaneously, domestic water flows into in the pipe flows into the box through the cold water, a large amount of heats that contain carry out the heat transfer with the domestic water in the heat exchange tube in solution in the box in the flue gas, and through the liquid in the change box, make cleaning efficiency improve and extension fixture's life.

Description

Energy-concerving and environment-protective flue gas waste heat recovery boiler

Technical Field

The utility model relates to a boiler energy-saving field, in particular to energy-concerving and environment-protective flue gas waste heat recovery boiler.

Background

At present, the industries such as chemical industry, building materials, printing and dyeing, food, hotels and the like use boilers to generate heat to produce products, the fuels used by the boilers are coal, gas and oil are used as raw materials, particularly, in cities, because coal burning pollution is too large, the environment protection requirements cannot be met, burning is not allowed, the gas burning cost is high, and a plurality of enterprises use oil as fuels, and the oil is divided into heavy oil and diesel oil.

The fuel oil of the oil burning boiler is pressed into an oil nozzle by a high-pressure oil pump to be sprayed out, and is mixed with air sent by an air blower to be burnt in a hearth, and the burning temperature is generally 800-1000 ℃. High-temperature flue gas enters a chimney from a flue after absorbing heat through a second return stroke or a third return stroke of a heating surface of a pipeline inside the hearth and then is exhausted into the atmosphere, the temperature of the flue gas in the flue is 300-400 ℃, the temperature of the flue gas exhausted from the chimney is 200-300 ℃, and the waste heat is wasted. Air and fuel oil required by the fuel oil boiler during combustion can reduce the furnace temperature when the fuel oil is combusted in a hearth at ordinary times, the furnace temperature is about 900 ℃, the temperature is low in winter, the fuel oil is not sufficiently combusted due to the low furnace temperature, black smoke and green smoke are often emitted from a chimney, the heat efficiency is low, pollution is brought to cities, and the requirement of environmental protection cannot be met. After the general boiler processes the flue gas, the impurities in the liquid used for processing the flue gas are gradually increased, so that the purification efficiency of the boiler is lower and lower.

Therefore, an energy-saving and environment-friendly flue gas waste heat recovery boiler is needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming the defect of prior art, the utility model aims at providing an energy-concerving and environment-protective flue gas waste heat recovery boiler, the effectual problem that has solved the difficult liquid purification efficiency step-down in difficult processing of boiler flue gas and the purifier.

The technical scheme includes that the water cooling box comprises a box body, wherein a water inlet pipe communicated with the box body is arranged on the left side of the box body, a slide rail is arranged in the box body and at the position of an opening of the water inlet pipe, a baffle capable of moving left and right is arranged in the slide rail, the lower end of the baffle extends out of the slide rail, a groove located below the water inlet pipe is arranged on the left side of the box body, a spring is arranged in the groove, the end of the spring is fixedly connected with the lower end of the baffle, an air inlet pipe is arranged at the upper end of the box body, the lower end of the air inlet pipe penetrates into the box body and extends to the lower side in the box body, an air outlet is arranged at the upper end of the box body, a rotatable first straight pipe and a rotatable second straight pipe are horizontally arranged in the box body; a first bevel gear is arranged on the first straight pipe, a second bevel gear meshed with the first bevel gear is horizontally arranged in the box body, an incomplete gear positioned above the second bevel gear is coaxially arranged on the second bevel gear, a rotating shaft is vertically and downwards arranged at the upper end of the box body, a rotating disc is arranged at the lower end of the rotating shaft, an inner gear ring meshed with the incomplete gear is arranged at the lower end of the rotating disc, and a cam which is positioned above the rotating disc and can be matched with the baffle is arranged on the rotating shaft; the lower end of the right side of the box body is provided with a water outlet, and a first electric valve is arranged at the water outlet.

The utility model has the advantages that: can make the flue gas go out the discharge of intake pipe exit end, advance the internal solution of box and filter, add alkaline solution through adding the pipe from the medicament, get rid of heavy metal in the flue gas, avoid it to arrange the healthy of harm people in the air, filter dust particle in the flue gas simultaneously, reduce the emission of pollutant, domestic water flows into in the pipe inflow box through the cold water, a large amount of heats that contain carry out the heat transfer with the domestic water in the heat exchange tube in the internal solution of box in the flue gas, the energy saving, increase the emergence of low reaches industry, the extension productivity, increase the income of profit, and through the liquid in the change box, make cleaning efficiency improve and extension fixture's life.

Drawings

Fig. 1 is a front view cross-sectional view of the present invention.

Fig. 2 is an enlarged view of a in fig. 1 according to the present invention.

Fig. 3 is a schematic view of the cam of fig. 2 holding the shutter 4.

Fig. 4 is a top view of the cam.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

Example (b):

as shown in figures 1 to 4, the utility model comprises a box body 1, a water inlet pipe 2 communicated with the box body 1 is arranged on the left side of the box body 1, a slide rail 3 is arranged at the opening part of the box body 1 and the water inlet pipe 2, a baffle 4 capable of moving left and right is arranged in the slide rail 3, the lower end of the baffle 4 extends out of the slide rail 3, a groove 5 positioned below the water inlet pipe 2 is arranged on the left side of the box body 1, a spring 6 is arranged in the groove 5, the end part of the spring 6 is fixedly connected with the lower end of the baffle 4, an air inlet pipe 7 with the lower end penetrating into the box body 1 and extending to the lower side in the box body 1 is arranged on the upper end of the box body 1, an air outlet 8 is arranged on the upper end of the box body 1, a first straight pipe 9 and a second straight pipe 10 which can rotate are horizontally arranged in the box body 1, the left, one end of the U-shaped pipe 13 is communicated with the first straight pipe 9, and the other end of the U-shaped pipe 13 is communicated with the second straight pipe 10; a first bevel gear 14 is arranged on the first straight pipe 9, a second bevel gear 15 meshed with the first bevel gear 14 is horizontally arranged in the box body 1, an incomplete gear 16 positioned above the second bevel gear 15 is coaxially arranged on the second bevel gear 15, a rotating shaft 17 is vertically and downwards arranged at the upper end of the box body 1, a rotating disc 18 is arranged at the lower end of the rotating shaft 17, an inner gear ring 19 capable of being meshed with the incomplete gear 16 is arranged at the lower end of the rotating disc 18, and a cam 20 which is positioned above the rotating disc 18 and can be matched with the baffle 4 is arranged on the; a water outlet 21 is arranged at the lower end of the right side of the box body 1, and a first electric valve 22 is arranged at the water outlet 21.

The upper end of the box body 1 is provided with a purifying box 23, the lower end of the purifying box 23 is communicated with the interior of the box body 1, a second electric valve 24 is arranged at the communicating position between the purifying box 23 and the interior of the box body 1, and purifying liquid is arranged in the purifying box 23.

A first bracket 25 is arranged on the left side of the box body 1, and a first sealing flange 26 arranged at the joint of the first straight pipe 9 and the cold water pipe 11 is arranged on the first bracket 25; the right side of the box body 1 is provided with a second support 27, and the second support 27 is provided with a second sealing flange 28 arranged at the joint of the second straight pipe 10 and the water outlet pipe 12.

The first gear 29 is installed at one end of the first straight pipe 9 extending out of the box body 1, the motor 30 is arranged in the first support 25, and the second gear 31 meshed with the first gear 29 is arranged on the motor 30.

When the utility model is used, the water inlet pipe 2 is opened, water enters the box body 1 and passes through the U-shaped pipe 13, the purifying liquid in the purifying box 23 falls into the box body 1 and is blended into the water by controlling the electric valve, gas generated by the boiler is introduced into the box body 1 through the air inlet pipe 7, the outlet end of the air inlet pipe 7 is arranged at the bottom end of the box body 1, the outlet end of the flue gas outlet pipe 7 is discharged, the solution in the box body 1 is filtered, heavy metal in the flue gas is removed through the alkaline purifying liquid added from the purifying box 23 and is discharged from the air outlet 8, the harmful human body health in the air is avoided, dust particles in the flue gas are filtered, the emission of pollutants is reduced, the cold water pipe 11 is communicated with the first straight pipe 9, the first straight pipe 9 is communicated with the second straight pipe 10 through the U-shaped pipe 13, a large amount of heat contained in the flue gas exchanges heat with the water in the U-shaped pipe 13 in the solution in the box body 1, and because the motor 30 drives the first straight pipe 9 to rotate so as to drive the U-shaped pipe 13 to rotate, the U-shaped pipe 13 is fully contacted with the water in the box body 1, heat exchange can be carried out to the maximum extent, energy can be saved, the occurrence of downstream industries is increased, the productivity is prolonged, and the income of profits is increased.

When the device is used for a long time, the liquid in the box body 1 contains a large amount of impurities, when the motor 30 drives the first gear 29 to rotate through the second gear 31, the first straight pipe 9 drives the U-shaped pipe 13 to rotate, the contact between the U-shaped pipe 13 and the liquid is increased, the heat exchange efficiency is accelerated, when the first straight pipe 9 rotates, the first bevel gear 14 drives the second bevel gear 15 to rotate, the second bevel gear 15 drives the incomplete gear 16 to rotate, when the first straight pipe rotates for one circle, the incomplete gear 16 drives the inner gear ring 19 to rotate for a certain angle, the purification failure speed of the liquid in the box body 1 can be obtained through practice or calculation, the number of teeth of the incomplete gear 16 is controlled to control the rotating angle of the cam 20 coaxially installed with the disc, when the excircle of the cam 20 is in contact with the baffle 4, namely, the cam 20 is fixed at the lower end of the baffle 4, so, when the interior circle of cam 20 turned to the position of baffle 4, baffle 4 slided right under the effect of spring 6 for baffle 4 leaves inlet tube 2, and the first electric valve 22 of control emits the water in the box 1 this moment, can follow inlet tube 2 and pour into the box 1 with clean water in, at control second electric valve 24, send into the purifying liquid in purifying box 23 in the box 1, accomplish the change of liquid in the box 1 once.

The utility model has the advantages that: can make the flue gas go out the discharge of intake pipe exit end, advance the internal solution of box and filter, add alkaline solution through adding the pipe from the medicament, get rid of heavy metal in the flue gas, avoid it to arrange the healthy of harm people in the air, filter dust particle in the flue gas simultaneously, reduce the emission of pollutant, domestic water flows into in the pipe inflow box through the cold water, a large amount of heats that contain carry out the heat transfer with the domestic water in the heat exchange tube in the internal solution of box in the flue gas, energy saving, increase the emergence of low reaches industry, prolong the productivity, increase the income of profit, and through the liquid in the change box, make cleaning efficiency improve and extension fixture's use.

Claims

1. An energy-saving and environment-friendly flue gas waste heat recovery boiler comprises a box body (1), wherein a water inlet pipe (2) communicated with the box body (1) is arranged on the left side of the box body (1), a slide rail (3) is arranged at an opening of the box body (1) and the water inlet pipe (2), a baffle (4) capable of moving left and right is arranged in the slide rail (3), the lower end of the baffle (4) extends out of the slide rail (3), a groove (5) positioned below the water inlet pipe (2) is arranged on the left side of the box body (1), a spring (6) is arranged in the groove (5), the end part of the spring (6) is fixedly connected with the lower end of the baffle (4), an air inlet pipe (7) with the lower end penetrating into the box body (1) and extending to the inner lower side of the box body (1) is arranged at the upper end of the box body (1), a rotatable first straight pipe (9) and a second straight pipe (10) are horizontally arranged in the box, the right end of the second straight pipe (10) penetrates out of the right end of the box body (1) and is communicated with the water outlet pipe (12), the right end of the first straight pipe (9) is provided with a plurality of U-shaped pipes (13), one ends of the U-shaped pipes (13) are communicated with the first straight pipe (9), and the other ends of the U-shaped pipes (13) are communicated with the second straight pipe (10); a first bevel gear (14) is arranged on the first straight pipe (9), a second bevel gear (15) meshed with the first bevel gear (14) is horizontally arranged in the box body (1), an incomplete gear (16) positioned above the second bevel gear (15) is coaxially arranged on the second bevel gear (15), a rotating shaft (17) is vertically and downwards arranged at the upper end of the box body (1), a rotating disc (18) is installed at the lower end of the rotating shaft (17), an inner gear ring (19) capable of being meshed with the incomplete gear (16) is installed at the lower end of the rotating disc (18), and a cam (20) which is positioned above the rotating disc (18) and can be matched with the baffle (4) is arranged on the rotating; a water outlet (21) is arranged at the lower end of the right side of the box body (1), and a first electric valve (22) is arranged at the water outlet (21).

2. The energy-saving and environment-friendly flue gas waste heat recovery boiler according to claim 1, characterized in that a purification box (23) is arranged at the upper end of the box body (1), the lower end of the purification box (23) is communicated with the inside of the box body (1), a second electric valve (24) is arranged at the communication position between the purification box (23) and the inside of the box body (1), and a purification liquid is filled in the purification box (23).

3. The energy-saving and environment-friendly flue gas waste heat recovery boiler according to claim 1, characterized in that a first bracket (25) is arranged at the left side of the box body (1), and a first sealing flange (26) arranged at the joint of the first straight pipe (9) and the cold water pipe (11) is arranged on the first bracket (25); a second support (27) is arranged on the right side of the box body (1), and a second sealing flange (28) arranged at the joint of the second straight pipe (10) and the water outlet pipe (12) is arranged on the second support (27).

4. An energy-saving and environment-friendly flue gas waste heat recovery boiler as claimed in claim 1, wherein a first gear (29) is mounted at one end of the first straight pipe (9) extending out of the box body (1), a motor (30) is arranged in the first bracket (25), and a second gear (31) meshed with the first gear (29) is arranged on the motor (30).