Mixed heat pressure compensation gas-fired hot water boiler

Abstract

The utility model relates to the technical field of gas-fired boilers, in particular to a mixed heat pressure compensation gas-fired hot water boiler which comprises a shell, a boiler furnace and a water cavity. The front reversal chamber and the rear smoke box are arranged at the two ends of the boiler furnace respectively. The burner penetrates through the rear smoke box and is connected with the furnace pipe; the two ends of the second return stroke smoke pipe are in through connection with the front reversal chamber and the rear smoke box correspondingly. The front smoke box is arranged on the front side of the front reversal chamber; the two ends of the third return smoke pipe are in through connection with the rear smoke box and the front smoke box respectively; the smoke inlet pipe penetrates through the front smoke box and is connected with the front reversal chamber; an air outlet of the booster fan is connected with the smoke inlet pipe, and an air inlet of the booster fan is connected with the filter cartridge; by improving the mixed heat pressure compensation gas-fired hot water boiler, the mixed heat pressure compensation gas-fired hot water boiler has the advantages that mixed heating of gas and smoke is achieved, complementary use of heat is achieved, energy is saved, and overhaul and maintenance are convenient, and therefore the problems and defects in the prior art and equipment are effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas boiler technical field, more specifically, especially, it relates to a mixed heat pressure compensation gas hot water boiler. BACKGROUND

[0002] In modern city and industrial development, hot water supply and heat energy utilization are indispensable important links, gas boiler is commonly used heating device of hot water supply, and compared with fuel oil boiler, electric boiler, gas boiler uses cost is lower.

[0003] Traditional gas boiler relies on single gas combustion to produce heat, heats circulating water to meet hot water demand, and the heating mode is single, lacks sufficient flexibility and adjustment ability when responding to different seasons, different time periods and different load demands, resulting in energy waste and low efficiency, if the waste heat generated in production is recycled to assist water heating, energy waste can be reduced, and the practicality of the boiler can be improved.

[0004] Therefore, the existing problems are studied and improved, a mixed heat pressure compensation gas hot water boiler is provided, which aims to solve the problems and improve the practical value. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a mixed heat pressure compensation gas hot water boiler to solve the problems and deficiencies in the above background.

[0006] To achieve the above object, the utility model provides a mixed heat pressure compensation gas hot water boiler, which is realized by the following specific technical means:

[0007] The mixed heat and pressure supplement gas hot water boiler comprises an outer shell, a furnace, a water cavity, a water inlet pipe, a water outlet pipe, a front back combustion chamber, a rear smoke box, a combustion machine, a second back smoke pipe, a front smoke box, a third back smoke pipe, a smoke outlet, a smoke inlet pipe, a partition plate, a booster fan, a filter cartridge, a corrugated pipe, a filter cartridge shell, a fixing ring, a lap plate, a filter screen and a cover plate.

[0008] As further optimization of the technical scheme, the partition plate is a semicircular plate structure.

[0009] As further optimization of the technical scheme, the filter cartridge shell is a circular barrel structure.

[0010] As further optimization of the technical scheme, the lap plate is a circular ring structure with a rectangular cross section.

[0011] As further optimization of the technical scheme, the filter screen is a circular barrel filter screen.

[0012] Due to the use of the above technical scheme, the present application has the following advantages compared with the prior art:

[0013] 1. The utility model discloses a front smoke box and front backfire chamber are connected through the smoke inlet pipe, and the baffle is fixedly arranged on the inner wall of the lower part of the front backfire chamber, the air outlet of booster fan is connected with the smoke inlet pipe, and the air inlet of booster fan is connected with the filter cartridge, the flue gas with heat from the outside enters the smoke inlet pipe through booster fan, and then enters the front backfire chamber, heats the water in the water cavity through the second backstroke smoke pipe and the third backstroke smoke pipe, and the water is mixed and heated through the heat of gas and flue gas, so that the waste heat is recycled, the heat is complementary, and energy is saved.

[0014] 2. The utility model discloses a filter cartridge is connected with the smoke exhaust pipeline through the bellows, and the filter screen is arranged in the filter cartridge shell, and the upper end of filter screen is fixedly connected with the batten, and the batten is overlapped on the fixed ring, and the cover plate is fixedly connected with the filter cartridge shell through the screw, the filter cartridge filters the dust in the flue gas, reduces the dust in the shell, and the cover plate can be removed to replace and clean the filter screen, so that the maintenance is convenient.

[0015] 3. The utility model discloses a mixed heat pressure compensation gas hot water boiler, which has the advantages of gas and flue gas mixed heating, complementary use of heat, energy saving, convenient maintenance, and effectively solves the problems and deficiencies in the prior art and equipment. ACCOUT OF DRAWINGS

[0016] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments of the present application and its description are used to explain the present application and are not used to limit the present application. In the drawings:

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the overhead structure schematic diagram of the utility model;

[0019] Figure 3 It is the sectional structure schematic diagram of the utility model;

[0020] Figure 4 It is the local enlarged structure schematic diagram of the utility model;

[0021] Figure 5 It is the filter cartridge exploded structure schematic diagram of the utility model.

[0022] In the drawings: shell 1, furnace 2, water cavity 3, water inlet pipe 4, water outlet pipe 5, front backfire chamber 6, rear smoke box 7, combustion machine 8, second backstroke smoke pipe 9, front smoke box 10, third backstroke smoke pipe 11, smoke outlet 12, smoke inlet pipe 13, baffle 14, booster fan 15, filter cartridge 16, bellows 17, filter cartridge shell 161, fixed ring 162, batten 163, filter screen 164, cover plate 165. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Please see Figures 1 to 5 This utility model provides a specific technical implementation scheme for a mixed-heat pressurized gas-fired hot water boiler:

[0025] A mixed-heat pressurized gas-fired hot water boiler includes: an outer shell 1, a furnace 2, a water chamber 3, an inlet pipe 4, an outlet pipe 5, a front combustion chamber 6, a rear smoke box 7, a burner 8, a second-pass flue pipe 9, a front smoke box 10, a third-pass flue pipe 11, a flue outlet 12, a flue pipe 13, a baffle plate 14, a booster fan 15, a filter cartridge 16, a corrugated pipe 17, a filter cartridge shell 161, a fixing ring 162, a mounting plate 163, a filter screen 164, and a cover plate 165; the furnace 2 is also included. 2 is fixed inside the outer shell 1, and the space between the furnace 2 and the outer shell 1 is a water cavity 3; the water inlet pipe 4 and the water outlet pipe 5 are set on the outer wall of the outer shell 1, and the water inlet pipe 4 and the water outlet pipe 5 are connected to the water cavity 3; the front combustion chamber 6 and the rear smoke box 7 are respectively set at both ends of the furnace 2; the burner 8 passes through the rear smoke box 7 and is connected to the furnace 2; the two ends of the second return smoke pipe 9 are respectively connected to the front combustion chamber 6 and the rear smoke box 7; the front smoke box 10 is set on the front side of the front combustion chamber 6; the third return smoke pipe 9 is fixed inside the outer shell 1, and the water cavity 3 is connected to the outer shell 1; the water cavity 2 ...; the water cavity 2 is fixed inside the outer shell 1; the water cavity 2 is fixed inside the outer shell 1; the water cavity 2 is fixed inside the outer shell 1; the water cavity 2 is fixed inside the outer shell 1; the water cavity 2 is fixed inside the outer shell 1; the water cavity 2 is fixed inside the outer shell 1 Both ends of the flue pipe 11 are connected to the rear smoke box 7 and the front smoke box 10 respectively; the exhaust port 12 is located at the upper part of the front smoke box 10; the inlet pipe 13 passes through the front smoke box 10 and connects to the front combustion chamber 6; the partition plate 14 is fixedly installed on the inner wall of the lower part of the front combustion chamber 6; the partition plate 14 has a semi-circular plate structure to prevent the furnace liner 2 and the inlet pipe 13 from affecting each other; the exhaust port of the booster fan 15 is connected to the inlet pipe 13, and the inlet of the booster fan 15 is connected to the filter cartridge 1. 6. Connection: The filter cartridge 16 is connected to the exhaust pipe via the corrugated pipe 17, facilitating the disassembly of the filter cartridge 16. The flue gas with heat from the outside enters the inlet pipe 13 through the booster fan 15, and then enters the front combustion chamber 6 from the inlet pipe 13. The water in the water chamber 3 is heated by passing through the second pass flue pipe 9 and the third pass flue pipe 11. The water is heated by mixing the heat from the gas and the flue gas, realizing the recovery of waste heat. The heat utilization is complementary, saving energy.

[0026] The filter cartridge 16 is composed of a filter cartridge shell 161, a fixed ring 162, a lap plate 163, a filter screen 164 and a cover plate 165; the filter cartridge shell 161 is a circular barrel structure; the fixed ring 162 is welded and fixed on the inner wall of the upper end of the filter cartridge shell 161; the filter screen 164 is a circular barrel filter screen; the filter screen 164 is arranged in the filter cartridge shell 161, and the upper end of the filter screen 164 is fixedly connected with the lap plate 163, and the lap plate 163 is overlapped on the fixed ring 162; the lap plate 163 is a circular ring structure with a rectangular cross section; the cover plate 165 is fixedly connected with the filter cartridge shell 161 through screws; the dust in the flue gas is filtered through the filter cartridge 16, so that the dust entering the outer shell 1 is reduced, the filter screen 164 can be replaced and cleaned by removing the cover plate 165, and maintenance is facilitated.

[0027] The specific implementation steps are as follows:

[0028] In use, the gas is combusted in the furnace 2 to heat the water in the water cavity 3, the flue gas with heat from the outside is filtered through the filter cartridge 16, enters the smoke inlet pipe 13 through the booster fan 15, is mixed with the hot air generated by the gas combustion in the front back combustion chamber 6, enters the rear smoke box 7 through the second return flue 9, the flue gas enters the front smoke box 10 from the rear smoke box 7 through the third return flue 11, and finally is discharged from the smoke outlet 12; the heat in the flue gas heats the water in the water cavity 3 when passing through the second return flue 9 and the third return flue 11, so that the temperature of the flue gas is reduced; the opening time of the combustion machine 8 can be determined according to the hot water demand, and when the heat in the flue gas can meet the use demand, the combustion machine 8 can be closed, and the heat in the flue gas is used for heating alone.

[0029] In summary: the mixed heat pressure compensation gas hot water boiler is provided with a smoke inlet pipe connected with the front smoke box and the front back combustion chamber, a partition plate fixedly arranged on the inner wall of the lower part of the front back combustion chamber, an air outlet of the booster fan connected with the smoke inlet pipe, and an air inlet of the booster fan connected with the filter cartridge, so that the flue gas with heat from the outside enters the smoke inlet pipe through the booster fan, enters the front back combustion chamber from the smoke inlet pipe, heats the water in the water cavity through the second return flue and the third return flue, and mixes and heats the water through the heat of the gas and the flue gas, so that the waste heat is recycled, the heat is complementary, and energy is saved; the filter cartridge is connected with the smoke exhaust pipe through the corrugated pipe, the filter screen is arranged in the filter cartridge shell, the upper end of the filter screen is fixedly connected with the lap plate, the lap plate is overlapped on the fixed ring, and the cover plate is fixedly connected with the filter cartridge shell through screws, so that the filter cartridge filters the dust in the flue gas, reduces the dust entering the outer shell, the filter screen can be replaced and cleaned by removing the cover plate, and maintenance is facilitated; the mixed heat pressure compensation gas hot water boiler is improved, the gas and the flue gas are mixed and heated, the complementary use of heat is realized, energy is saved, and maintenance is facilitated, so that the problems and defects in the prior art and equipment are effectively solved.

[0030] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A gas-fired hot water boiler with heat mixing and pressure make-up, comprising: The utility model relates to a kind of smoke filter, including shell (1), furnace (2), water cavity (3), water inlet pipe (4), water outlet pipe (5), front backcombustion chamber (6), rear smoke box (7), combustion machine (8), second back smoke pipe (9), front smoke box (10), third back smoke pipe (11), smoke outlet (12), smoke inlet pipe (13), partition (14), booster fan (15), filter cartridge (16), bellow (17), filter cartridge shell (161), fixed ring (162), deck (163), filter screen (164), cover plate (165);Its characterized in that: furnace (2) is fixed in shell (1), and water cavity (3) between furnace (2) and shell (1);Water inlet pipe (4), water outlet pipe (5) are arranged on the outer wall of shell (1), and water inlet pipe (4), water outlet pipe (5) are through with water cavity (3);Front backcombustion chamber (6), rear smoke box (7) are respectively arranged at both ends of furnace (2);Combustion machine (8) is connected with furnace (2) by passing through rear smoke box (7);Second back smoke pipe (9) is throughly connected with front backcombustion chamber (6), rear smoke box (7) respectively at both ends;Front smoke box (10) is arranged at the front side of front backcombustion chamber (6);Third back smoke pipe (11) is throughly connected with rear smoke box (7) and front smoke box (10) respectively at both ends;Smoke outlet (12) is arranged in the upper portion of front smoke box (10);Smoke inlet pipe (13) is connected with front backcombustion chamber (6) by passing through front smoke box (10);Partition (14) is fixedly arranged on the inner wall of lower portion of front backcombustion chamber (6);The air outlet of booster fan (15) is connected with smoke inlet pipe (13), and the air inlet of booster fan (15) is connected with filter cartridge (16);Filter cartridge (16) is connected with exhaust pipe by bellow (17);Filter cartridge (16) is composed of filter cartridge shell (161), fixed ring (162), deck (163), filter screen (164), cover plate (165);Fixed ring (162) is welded and fixed on the inner wall of upper end of filter cartridge shell (161);Filter screen (164) is arranged in filter cartridge shell (161), and the upper end of filter screen (164) is fixedly connected with deck (163), and deck (163) is overlapped on fixed ring (162);Cover plate (165) is fixedly connected with filter cartridge shell (161) by screw.

2. A gas-fired hot water boiler of the mixed heating and pressure-boosting type according to claim 1, characterized in that: The partition (14) is semicircular plate structure.

3. The combination boiler according to claim 1, characterized in that: The filter cartridge shell (161) is circular barrel structure.

4. The combination boiler according to claim 1, characterized in that: The deck (163) is circular ring structure with rectangular cross section.

5. The combination boiler according to claim 1, characterized in that: The filter screen (164) is circular barrel filter screen.

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