Energy-saving device of gas-fired hot water boiler

Abstract

The utility model discloses a gas-fired hot water boiler energy-saving device, which relates to the technical field of boiler equipment, and comprises a first waste heat utilization boiler, the side end of the first waste heat utilization boiler is connected with a first gas guide pipe, and the side end of the first gas guide pipe is connected with a partition plate frame in a penetrating manner; a second waste heat utilization boiler is fixedly arranged in the partition plate frame, the side end of the second waste heat utilization boiler is connected with an air inlet pipe, the other end of the air inlet pipe is connected with a flue gas heat recovery mechanism, the side end of the bottom of the flue gas heat recovery mechanism is connected with a water outlet, and the other end of the water outlet is connected with a flue gas heat treatment mechanism; in conclusion, according to the energy-saving device of the gas-fired hot water boiler, through the multi-stage waste heat utilization and heat recovery mechanism, the energy utilization efficiency is effectively improved, energy consumption and environmental pollution are reduced, and the energy-saving device of the gas-fired hot water boiler is efficient and environment-friendly energy utilization equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler equipment technical field, concretely points to a kind of gas hot water boiler energy-saving device. BACKGROUND

[0002] With the increasing energy consumption and the improvement of environmental protection consciousness, as important heat supply equipment, the energy efficiency and environmental protection performance of gas hot water boiler become the focus of industry, and the traditional gas hot water boiler will produce a large amount of high-temperature flue gas during operation, which contains rich heat energy, and if not effectively recycled and utilized, it will not only cause energy waste, but also aggravate environmental pollution.

[0003] For example, a kind of gas boiler energy-saving device disclosed in Chinese patent, publication number CN221483859U, the above-mentioned patent is sprayed to the inside of combustion chamber by multiple gas injection ports on air pipe when in use, a large amount of gas is dispersed and passed into the inside of combustion chamber, a large amount of gas located at the bottom end of combustion chamber is shunted by filter plate, so that the flow of gas in the combustion chamber is slowed down, so that the gas in the combustion chamber can be fully burned, and the oxygen consumption of gas is reduced during combustion, and part of the gas that is not burned is placed at the top end of combustion chamber, and is shunted and blocked again by filter plate at the top end of combustion chamber, which greatly improves the combustion efficiency of gas, although the device has many beneficial effects, but still has the following problems: the heat recovery efficiency of the device is not high, and the flue gas cannot be fully utilized, and other devices have complex structure, high installation and maintenance cost, and are not conducive to wide promotion.

[0004] Therefore, the existing structure and defects are improved, and a gas hot water boiler energy-saving device is provided to achieve more practical value. INVENTION CONTENTS

[0005] (I) technical problems solved

[0006] In view of the deficiencies of the prior art, the utility model provides a gas hot water boiler energy-saving device, which solves the above problems.

[0007] (II) technical scheme

[0008] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a gas hot water boiler energy - saving device, including first waste heat utilization boiler, its characterized in be: the side end of first waste heat utilization boiler is connected with first gas guide pipe, and the side end of first gas guide pipe is connected with the baffle frame of through, and the inside fixed setting of baffle frame has second waste heat utilization boiler, and the side end of second waste heat utilization boiler is connected with air inlet pipe, and the other end of air inlet pipe is connected with flue gas heat recovery mechanism, and the bottom side end of flue gas heat recovery mechanism is connected with water outlet, and the other end of water outlet is connected with flue gas heat treatment mechanism, and the side end of flue gas heat treatment mechanism is connected with air outlet.

[0009] Preferably, the side end of the second waste heat utilization boiler is fixedly connected with an adjusting valve, and the other end of the adjusting valve is fixedly connected with a control hub, and the control hub is fixedly connected to the outer wall of the second waste heat utilization boiler.

[0010] Preferably, the inside of the flue gas heat treatment mechanism is fixedly connected with a steam chamber, and the outer wall of the steam chamber is fixedly connected with a connecting rod, and the outer wall of the flue gas heat treatment mechanism is also fixedly connected with a circulation pipe one and a circulation pipe two, and the side end outer wall of the circulation pipe two is fixedly connected with a circulation valve.

[0011] Preferably, the side end of the circulation pipe two is fixedly connected with a second gas guide pipe, and the second gas guide pipe extends from the inside of the baffle frame to the outside, and the other end of the second gas guide pipe is fixedly connected with a third waste heat utilization boiler.

[0012] Preferably, the side end of the first gas guide pipe is fixedly connected with a power box, and the upper end outer wall of the power box is fixedly connected with an exhaust pipe, and the lower end of the power box is fixedly connected with a fixed column, and the lower end outer wall of the fixed column is fixedly connected with a limiting plate, and the lower end of the limiting plate is fixedly connected with a wheel.

[0013] Preferably, the first waste heat utilization boiler, the second waste heat utilization boiler and the third waste heat utilization boiler are all welded through the baffle frame.

[0014] Preferably, the first waste heat utilization boiler and the third waste heat utilization boiler are symmetrical and equal, and are distributed at equal intervals at the left and right ends of the baffle frame.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a gas hot water boiler energy - saving device, has the following beneficial effects:

[0017] 1. Through the careful design of the waste heat utilization system, the high-temperature flue gas generated by the gas hot water boiler is realized multi-stage utilization, the first waste heat utilization boiler is used as the initial heat recovery stage, which effectively reduces the initial temperature of the flue gas, then the flue gas enters the second waste heat utilization boiler in the baffle frame through the first gas guide pipe, further extracts heat, in this process, the accurate regulation and control of the regulating valve and the control center ensure the efficiency and stability of heat extraction, finally, after the flue gas heat recovery mechanism processing, most of the heat in the flue gas is converted into usable heat energy, and is output through the water outlet for heating, hot water supply and other purposes, in addition, the steam chamber and circulating pipe design inside the flue gas heat treatment mechanism further improves the heat recovery efficiency, so that the energy utilization rate of the whole device is significantly improved.

[0018] 2. The baffle frame is welded to form a heat energy recovery system with compact structure and excellent overall performance, at the same time, the power box and the fixed column, the limiting plate and the wheel at the lower end thereof are designed, so that the whole device can be easily moved and positioned when needed, enhancing the flexibility and applicability of the equipment, this design not only facilitates the installation and use in different places, but also facilitates the maintenance and repair of the equipment, reduces the operation cost and maintenance difficulty, therefore, the device has wide application prospect and significant competitive advantage in the field of energy saving of gas hot water boiler. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Fig. 2 It is an enlarged schematic diagram of the internal structure of the baffle frame of the utility model;

[0021] Fig. 3 It is a schematic diagram of the structure of the first waste heat utilization boiler and the third waste heat utilization boiler of the utility model.

[0022] In the drawing: 1, first waste heat utilization boiler; 2, first gas guide pipe; 3, baffle frame; 4, second waste heat utilization boiler; 5, gas inlet pipe; 6, flue gas heat recovery mechanism; 7, flue gas heat treatment mechanism; 8, air outlet; 9, circulating pipe one; 10, circulating pipe two; 11, steam chamber; 12, water outlet; 13, connecting rod; 14, circulating valve; 15, second gas guide pipe; 16, third waste heat utilization boiler; 101, power box; 102, exhaust pipe; 103, fixed column; 104, limiting plate; 105, wheel; 401, regulating valve; 402, control center. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] Please refer to Figs. 1-3 The utility model provides a gas hot water boiler energy -conserving device, including first waste heat utilization boiler 1, its characterized in that: first waste heat utilization boiler 1's side end is connected with first gas guide pipe 2, and the side end of first gas guide pipe 2 is connected with the baffle frame 3 through, and the inside fixed setting of baffle frame 3 has second waste heat utilization boiler 4, and the side end of second waste heat utilization boiler 4 is connected with air inlet pipe 5, and the other end of air inlet pipe 5 is connected with flue gas heat recovery mechanism 6, and the bottom side end of flue gas heat recovery mechanism 6 is connected with water outlet 12, and the other end of water outlet 12 is connected with flue gas heat treatment mechanism 7, and the side end of flue gas heat treatment mechanism 7 is connected with air outlet 8.

[0025] Further, the side end of the second waste heat utilization boiler 4 is fixedly connected with the adjusting valve 401, and the other end of the adjusting valve 401 is fixedly connected with the control hub 402, and the control hub 402 is fixedly connected to the outer wall of the second waste heat utilization boiler 4.

[0026] Further, the inside of the flue gas heat treatment mechanism 7 is fixedly connected with the steam chamber 11, and the outer wall of the steam chamber 11 is fixedly connected with the connecting rod 13, and the outer wall of the flue gas heat treatment mechanism 7 is also fixedly connected with the circulation pipe one 9 and the circulation pipe two 10, and the side end of the circulation pipe two 10 is fixedly connected with the circulation valve 14.

[0027] Further, the side end of the circulation pipe two 10 is fixedly connected with the second gas guide pipe 15, and the second gas guide pipe 15 extends through the inside of the baffle frame 3 to the outside, and the other end of the second gas guide pipe 15 is fixedly connected with the third waste heat utilization boiler 16.

[0028] Further, the side end of the first gas guide pipe 2 is fixedly connected with the power box 101, and the upper end of the outer wall of the power box 101 is fixedly connected with the exhaust pipe 102, and the lower end of the power box 101 is fixedly connected with the fixed column 103, and the lower end of the outer wall of the fixed column 103 is fixedly connected with the limiting plate 104, and the lower end of the limiting plate 104 is fixedly connected with the wheel 105.

[0029] Further, the first waste heat utilization boiler 1, the second waste heat utilization boiler 4 and the third waste heat utilization boiler 16 are all welded through the baffle frame 3.

[0030] Further, the first waste heat utilization boiler 1 and the third waste heat utilization boiler 16 are symmetrical and equal, and are distributed at equal intervals at the left and right ends of the partition frame 3.

[0031] Working principle: the initial high-temperature flue gas generated by the gas hot water boiler is first passed through the first waste heat utilization boiler 1, in this stage, part of the heat in the flue gas is absorbed by the first waste heat utilization boiler 1 to preheat or heat the medium, thereby preliminarily reducing the temperature of the flue gas, after passing through the first waste heat utilization boiler 1, the flue gas is guided to the second waste heat utilization boiler 4 in the partition frame 3 through the first gas guide pipe 2, in this process, the side end of the first gas guide pipe 2 is connected with the power box 101, the mechanism in the power box 101 ensures the smooth flow of the flue gas, the second waste heat utilization boiler 4 receives the flue gas through the gas inlet pipe 5 at the side end thereof, and continues to extract heat therefrom, through the accurate regulation of the adjusting valve 401 and the control center 402, the heat extraction efficiency can be optimized, and the second waste heat utilization boiler 4 can be ensured to operate in the best state, the flue gas out of the second waste heat utilization boiler 4 then enters the flue gas heat recovery mechanism 6, further recovers the heat in the flue gas, and guides the heated medium out through the water outlet 12, then, the flue gas enters the flue gas heat treatment mechanism 7, which comprises a steam chamber 11 for further processing the residual heat in the flue gas, through the assistance of the steam chamber 11 fixed by the connecting rod 13 and the circulation pipe one 9 and the circulation pipe two 10, a heat circulation and recovery system is formed, the circulation valve 14 on the circulation pipe two 10 allows the heat recovery and circulation efficiency to be adjusted according to actual needs, after being processed by the flue gas heat treatment mechanism 7, the flue gas is guided to the third waste heat utilization boiler 16 through the second gas guide pipe 15, which is the third stage of waste heat utilization, the third waste heat utilization boiler 16 is symmetrical and equal to the first waste heat utilization boiler 1, and is located at the other end of the partition frame 3, which ensures the full utilization of heat and the symmetry of the equipment, finally, the low-temperature flue gas after multi-stage waste heat utilization and heat recovery is discharged to the atmosphere through the air outlet 8, realizing clean and efficient flue gas discharge.

[0032] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A gas water heater energy saving device comprising a first waste heat utilization boiler (1), characterized in that: The side end of the first waste heat utilization boiler (1) is connected with a first air guide pipe (2), the side end of the first air guide pipe (2) penetrates through the connection of a partition frame (3), the inside of the partition frame (3) is fixedly provided with a second waste heat utilization boiler (4), the side end of the second waste heat utilization boiler (4) is connected with an air inlet pipe (5), the other end of the air inlet pipe (5) is connected with a flue gas heat recovery mechanism (6), the bottom side end of the flue gas heat recovery mechanism (6) is connected with a water outlet (12), the other end of the water outlet (12) is connected with a flue gas heat treatment mechanism (7), and the side end of the flue gas heat treatment mechanism (7) is connected with an air outlet (8).

2. The energy saving device for gas water heater as claimed in claim 1, wherein: The side end of the second waste heat utilization boiler (4) is fixedly connected with an adjusting valve (401), the other end of the adjusting valve (401) is fixedly connected with a control center (402), and the control center (402) is fixedly connected to the outer wall of the second waste heat utilization boiler (4).

3. The energy saving device for gas hot water boiler according to claim 1, characterized in that: The inside of the flue gas heat treatment mechanism (7) is fixedly connected with a steam chamber (11), the outer wall of the steam chamber (11) is fixedly connected with a connecting rod (13), the outer wall of the flue gas heat treatment mechanism (7) is also fixedly connected with a circulating pipe one (9) and a circulating pipe two (10), and the side end outer wall of the circulating pipe two (10) is fixedly connected with a circulating valve (14).

4. The energy saving device for gas water heater as claimed in claim 3, wherein: The side end of the circulating pipe two (10) is fixedly connected with a second air guide pipe (15), the second air guide pipe (15) extends through the inside of the partition frame (3) to the outside, and the other end of the second air guide pipe (15) is fixedly connected with a third waste heat utilization boiler (16).

5. The energy saving device for gas hot water boiler according to claim 1, characterized in that: The side end of the first air guide pipe (2) is fixedly connected with a power box (101), the upper end outer wall of the power box (101) is fixedly connected with an exhaust pipe (102), the lower end of the power box (101) is fixedly connected with a fixed column (103), the lower end outer wall of the fixed column (103) is fixedly connected with a limiting plate (104), and the lower end of the limiting plate (104) is fixedly connected with a wheel (105).

6. The energy saving device for gas hot water boiler according to claim 1, characterized in that: The first waste heat utilization boiler (1), the second waste heat utilization boiler (4) and the third waste heat utilization boiler (16) are all welded through the partition frame (3).

7. A gas-fired hot water boiler energy saving device according to claim 6, characterized in that: The first waste heat utilization boiler (1) and the third waste heat utilization boiler (16) are symmetrical and equal, and are distributed at equal intervals at the left and right ends of the partition frame (3).

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