CN213146946U

CN213146946U - Energy-saving device for industrial high-efficiency boiler

Info

Publication number: CN213146946U
Application number: CN202021770698.2U
Authority: CN
Inventors: 袁健
Original assignee: Shenzhen New Shuang Jian Energy Conservation And Environmental Protection Technology Co ltd
Current assignee: Shenzhen New Shuang Jian Energy Conservation And Environmental Protection Technology Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-05-07
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses an industrial high-efficiency boiler energy-saving device, which comprises a combustion furnace, wherein the combustion furnace comprises an inner water tank and an outer water tank, the inner water tank is positioned at the upper side of the middle part of the combustion furnace, the inner water tank is arranged in a suspension way through a fixing part, the outer side of the outer water tank is provided with a heat preservation layer, the lower side of the combustion furnace is provided with a combustion chamber, the lower side of the combustion chamber is provided with a waste slag chamber, the upper side of the combustion furnace is communicated with a first flue gas pipe, a horizontal radiant panel is arranged between the lower part of the first flue gas pipe and the inner water tank, the flue gas pipe is connected with a dust remover, the middle part in the dust remover is provided with a hollow pipe, the inner side of the hollow pipe is provided with a coil pipe, the inner water tank and the outer water tank are arranged to fully absorb the heat of fuel, and the treatment is carried out, and finally the discharge is carried out, so that the heat is reasonably utilized, and the utilization rate of energy is improved.

Description

Energy-saving device for industrial high-efficiency boiler

Technical Field

The utility model relates to a boiler energy saving technology field specifically is an industry high efficiency boiler economizer.

Background

The boiler is an energy conversion device, the energy input to the boiler is in the forms of chemical energy in fuel, electric energy, heat energy of high-temperature flue gas and the like, and steam, high-temperature water or an organic heat carrier with certain heat energy is output outwards through the conversion of the boiler. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator. The gas boiler refers to a boiler using fuel as fuel, and includes a gas boiler, a gas steam boiler, and the like. The waste heat refers to heat energy which can be utilized but not utilized, and the waste heat recovery refers to the recovery and utilization of the waste heat, so that the energy utilization rate is improved, the production cost is reduced, and the environment is protected. In recent years, because the energy is nervous, with energy-conserving work further developing, various novel energy-conserving advanced furnace types are becoming perfect day by day, adopt advanced burner to strengthen the burning, the incomplete combustion volume has been reduced, however, the technique of reducing the heat loss of discharging fume and retrieving the waste heat of flue gas still progresses not fast, current boiler is in the course of the work, the flue gas of production is mostly discharged through the chimney, lead to a large amount of heat energy also discharge thereupon, cause boiler efficiency greatly reduced, and, the rate of rise at the heat transfer initial stage is low, lead to the initial preheating time long, need wait for quite long time just to have hot water to discharge. Therefore, the utility model provides an industry high efficiency boiler economizer to solve the problem of proposing among the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an industry high efficiency boiler economizer to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an energy-saving device for an industrial high-efficiency boiler comprises a combustion furnace, wherein the combustion furnace comprises an inner water tank and an outer water tank, the inner water tank is positioned on the upper side of the middle part of the combustion furnace and is arranged in a hanging manner through a fixing part, a heat insulation layer is arranged on the outer side of the outer water tank, a combustion chamber is arranged on the lower side of the combustion furnace, a waste residue chamber is arranged on the lower side of the combustion chamber, the upper side of the combustion furnace is communicated with a first flue gas pipe, the first flue gas pipe is connected with a dust remover, a hollow pipe is arranged in the middle of the dust remover, a coil pipe is arranged on the inner side of the hollow pipe, the right side of the upper end of the inner water tank is connected with the upper side of the outer water tank through a communication pipe, the left end of the lower side of the inner water tank is connected, a circulating water pump is arranged on the lower side of the first water inlet pipe, and the external inlet water is closed to circulate the internal water, so that the water heater is suitable for the situation that the heat is insufficient in the initial heating stage and the hot water is urgently needed;

the upper side of the dust remover is communicated with a second flue gas pipe, the left end of the second flue gas pipe is communicated with the lower left corner of the inner box, a filter is arranged in the middle of the flue gas pipe II, a booster pump is arranged on the left side of the filter, an outer box is arranged on the outer side of the inner box, treatment liquid is arranged in the inner box, the treatment liquid is alkali liquor, the alkali liquor can generate chemical reaction with thermal sulfur oxide in the flue gas, a water tank is arranged between the inner tank and the outer tank, the upper end of the coil pipe is communicated with a second water inlet pipe, the left end of the second water inlet pipe is communicated with the right upper end of the water tank between the inner tank and the outer tank, the inner box is internally fixed with a plurality of inclined guide plates, a coiled pipe is arranged in each guide plate, the outlet of each coiled pipe is communicated with the water tank between the inner box and the outer box, the water inlet pipe of each coiled pipe is communicated with the water inlet pipe III, the water inlet pipe III is connected with an external water source, the upper side of the inner box is provided with an air outlet pipe, and the air outlet pipe is communicated with the external atmosphere.

As a further proposal of the utility model, a horizontal radiation plate is arranged between the lower part of the first flue gas pipe and the inner water tank.

As the utility model discloses further scheme again, the dust remover adopts cyclone's principle, and side is admitted air, and the top is given vent to anger, and the downside of dust remover is equipped with the collecting box for subside and collect the large granule dust in the flue gas.

As the utility model discloses further scheme again, the left end of flue gas pipe two is equipped with the back pressure valve, prevents that water from getting into in flue gas pipe two.

As the utility model discloses scheme further still, the one end of guide plate is fixed on the inner wall of inner box, and the other end is unsettled, and dislocation set about the stiff end of guide plate for the gas of below can be along the downside rebound of guide plate, prolongs gaseous removal route, improves the heat transfer effect.

As a further aspect of the present invention, the lower side of the guide plate is provided with a groove in the front-rear direction, and the upper side of the groove is abutted to the serpentine tube, thereby improving the heat transfer efficiency.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an interior water tank and outer water tank that set up, the heat of abundant absorption fuel can carry out the inner loop at the heating initial stage, shortens hydrothermal time of providing.

2. The utility model discloses a coil pipe and the coiled pipe that arrange along the flue gas absorb heat, reduce the temperature of flue gas to handle, discharge at last, the reasonable utilization heat improves the utilization ratio of energy.

Drawings

Fig. 1 is a schematic structural diagram of an energy-saving device of an industrial high-efficiency boiler.

FIG. 2 is a schematic diagram of a serpentine pipe in an energy-saving device of an industrial high-efficiency boiler.

Fig. 3 is a schematic perspective view of a guide plate in an energy-saving device of an industrial high-efficiency boiler.

In the figure: 1. a combustion furnace; 2. an inner water tank; 3. an outer water tank; 4. a heat-insulating layer; 5. a combustion chamber; 6. a waste residue chamber; 7. a water outlet pipe; 8. a radiation plate; 9. a first flue gas pipe; 10. a dust remover; 11. a hollow tube; 12. a coil pipe; 13. a first water inlet pipe; 14. A water inlet pipe II; 15. an outer box; 16. an inner box; 17. a second flue gas pipe; 18. a booster pump; 19. a filter; 20. a guide plate; 21. a serpentine tube; 22. a third water inlet pipe; 23. a circulation pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, an energy saving device for an industrial high efficiency boiler includes a combustion furnace 1, the combustion furnace 1 includes an inner water tank 2 and an outer water tank 3, the inner water tank 2 is located at an upper side of a middle portion of the combustion furnace 1, and is suspended by a fixing member, a heat insulating layer 4 is disposed at an outer side of the outer water tank 3, a combustion chamber 5 is disposed at a lower side of the combustion furnace 1, a waste residue chamber 6 is disposed at a lower side of the combustion chamber 5, an upper side of the combustion furnace 1 is communicated with a flue gas pipe one 9, a horizontal radiation plate 8 is disposed between a lower side of the flue gas pipe one 9 and the inner water tank 2, the flue gas pipe one 9 is connected with a dust remover 10, a hollow pipe 11 is disposed at a middle portion of the dust remover 10, a coil 12 is disposed at an inner side of the hollow pipe 11, the dust remover 10 adopts a principle of a cyclone, the upper right side of the inner water tank 2 is connected with the upper side of the outer water tank 3 through a communicating pipe, the left end of the lower side of the inner water tank 2 is connected with a first water inlet pipe 13, the upper end of the first water inlet pipe 13 is connected with the lower end of a coil pipe 12, the upper side of the outer water tank 3 and the upper end of the first water inlet pipe 13 are connected with a circulating pipe 23, the upper end of the right side of the outer water tank 3 is connected with a water outlet pipe 7, electromagnetic valves are arranged on the circulating pipe 23, the first water inlet pipe 13 and the water outlet pipe 7, a circulating water pump is arranged on the lower side of the first water inlet pipe 13, internal water is;

the upper side of the dust remover 10 is communicated with a second flue gas pipe 17, the left end of the second flue gas pipe 17 is communicated with the lower left corner of the inner box 16, the middle part of the second flue gas pipe 17 is provided with a filter 19, the left side of the filter 19 is provided with a booster pump 18, the left end of the second flue gas pipe 17 is provided with a backpressure valve to prevent water from entering the second flue gas pipe 17, the outer side of the inner box 16 is provided with an outer box 15, the inner box 16 is internally provided with a treatment liquid, the treatment liquid is an alkali liquid, the alkali liquid can generate a chemical reaction with thermal oxidation sulfur in the flue gas and is removed from the inner box 16 to the outer box 15, the upper end of the coil pipe 12 is communicated with a second water inlet pipe 14, the left end of the second water inlet pipe 14 is communicated with the upper right end of the water tank between the inner box 16 and the outer box 15, a plurality of inclined guide plates 20 are fixed in the inner box 16, a coil pipe 21 is arranged in, the inlet tube of coiled pipe 21 communicates inlet tube three 22, and external water source is connected to inlet tube three 22, the one end of guide plate 20 is fixed on the inner wall of inner box 16, and the other end is unsettled, and dislocation set about the stiff end of guide plate 20 for the gaseous downside rebound that can follow guide plate 20 of below, the gaseous removal route of extension improves the heat transfer effect, the downside of guide plate 20 is equipped with the recess of fore-and-aft direction, and the upside and the 21 butt of coiled pipe of recess are in the same place, improve heat transfer efficiency, and the upside of inner box 16 is equipped with the outlet duct, and the outlet duct communicates external atmosphere.

The utility model discloses a theory of operation is: when the water heater is used, heat is generated through the combustion furnace 1, a large amount of hot flue gas is generated while the combustion chamber 5 generates heat, the heat heats the outer water tank 3 and the inner water tank 2 and heats water, at the beginning, because the generated heat is less, the heating effect is not obvious, external water inlet can be closed through the circulating pipe 23, the electromagnetic valves of the first water inlet pipe 13 and the water outlet pipe 7, the circulating water pump is started to circulate internal water, the water enters the inner water tank 2 through the circulating pipe 23, the outer water tank 3 and the communicating pipe and then enters the inner water tank 2 to be circularly heated, the water heater is suitable for the condition of insufficient heat at the initial heating stage and urgently needing hot water, when fuel is sufficient or the internal temperature rises enough, the valves of the first water inlet pipe 13 and the water outlet pipe 7 are opened to discharge the water, when the water is normally fed, the flue gas enters the dust remover 10 through the first flue gas, then the water in the coil 12 is preheated by the hollow pipe 11 rising into the smoke pipe II 17 and going to the coil 12, the smoke is filtered by the filter 19, the booster pump 18 is pressed into the inner box 16, the warm smoke rises and rises gradually under the guidance of the guide plate 20, and finally is discharged into the atmosphere through the air outlet pipe, meanwhile, the treatment liquid in the inner box 16 is heated by the heat of the gas, the treatment liquid is cooled by the inlet pipe III 22 through the coil pipe 21, meanwhile, the water in the water box between the inner box 16 and the outer box 15 is replaced, the inlet water is heated by multi-stage preheating, meanwhile, the temperature of the smoke is reduced, the treatment is carried out, and finally, the discharge is carried out, the heat is reasonably utilized, and the utilization rate of energy is improved.

The utility model discloses an inner water tank 2 and outer water tank 3 that set up, the heat of abundant absorption fuel can carry out the inner loop at the heating initial stage, shortens hydrothermal time of providing, simultaneously, absorbs the heat through coil pipe 12 and the coiled pipe 21 of arranging along the flue gas, reduces the temperature of flue gas to handle, discharge at last, the rational utilization heat improves the utilization ratio of energy.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An energy-saving device for an industrial high-efficiency boiler comprises a combustion furnace (1), and is characterized in that the combustion furnace (1) comprises an inner water tank (2) and an outer water tank (3), the inner water tank (2) is positioned on the upper side of the middle of the combustion furnace (1) and is arranged in a suspended mode through a fixing piece, a heat preservation layer (4) is arranged on the outer side of the outer water tank (3), a combustion chamber (5) is arranged on the lower side of the combustion furnace (1), a waste slag chamber (6) is arranged on the lower side of the combustion chamber (5), the upper side of the combustion furnace (1) is communicated with a first flue gas pipe (9), the first flue gas pipe (9) is connected with a dust remover (10), a hollow pipe (11) is arranged in the middle of the dust remover (10), a coil pipe (12) is arranged on the inner side of the hollow pipe (11), the right side of the upper end of the inner water tank, the upper end of the first water inlet pipe (13) is connected with the lower end of the coil pipe (12), the upper side of the outer water tank (3) and the upper end of the first water inlet pipe (13) are connected with a circulating pipe (23), the upper end of the right side of the outer water tank (3) is connected with a water outlet pipe (7), electromagnetic valves are arranged on the circulating pipe (23), the first water inlet pipe (13) and the water outlet pipe (7), and a circulating water pump is arranged on the lower side of the first water inlet pipe (13);

the upside intercommunication of dust remover (10) has flue gas pipe two (17), and the left end intercommunication of flue gas pipe two (17) is in the lower left corner of inner box (16), the middle part of flue gas pipe two (17) is equipped with filter (19), and booster pump (18) are installed in the left side of filter (19), the outside of inner box (16) is equipped with outer container (15), is equipped with the treatment fluid in inner box (16), is equipped with the water tank between inner box (16) and outer container (15), the upper end intercommunication inlet tube two (14) of coil pipe (12), the upper right end of the water tank between inlet tube two (14) intercommunication inner box (16) and outer container (15), inner box (16) internal fixation has guide plate (20) of a plurality of slopes, is equipped with coiled pipe (21) in guide plate (20), and in the water outlet of coiled pipe (21) communicates the water tank between inner box (16) and outer container (15), the inlet tube intercommunication inlet tube three (22) of coiled pipe (21), the third water inlet pipe (22) is connected with an external water source, and the upper side of the inner box (16) is provided with an air outlet pipe which is communicated with the external atmosphere.

2. An energy-saving device for industrial high-efficiency boilers, as claimed in claim 1, characterized in that a horizontal radiant panel (8) is arranged between the lower part of the first flue gas pipe (9) and the inner water tank (2).

3. The energy-saving device for the industrial high-efficiency boiler as claimed in claim 1, characterized in that the dust remover (10) adopts the principle of a cyclone dust remover, the air is fed from the side, the air is discharged from the upper part, and a collecting box is arranged at the lower side of the dust remover (10).

4. The energy-saving device for the industrial high-efficiency boiler as claimed in claim 1, wherein the left end of the second flue gas pipe (17) is provided with a back pressure valve.

5. The energy-saving device for the industrial high-efficiency boiler as claimed in claim 1, wherein one end of the guide plate (20) is fixed on the inner wall of the inner box (16), the other end is suspended, and the fixed end of the guide plate (20) is arranged in a left-right staggered manner.

6. An energy-saving device for industrial high-efficiency boiler, according to claim 1, characterized in that the lower side of the guide plate (20) is provided with a groove in the fore-and-aft direction, and the upper side of the groove is abutted with the serpentine pipe (21).