CN218820623U

CN218820623U - Heating equipment with secondary heat exchange structure

Info

Publication number: CN218820623U
Application number: CN202223253129.2U
Authority: CN
Inventors: 郑康
Original assignee: Renqiu Huaheng Heating Equipment Co ltd
Current assignee: Renqiu Huaheng Heating Equipment Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-04-07
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses a heating device with a secondary heat exchange structure, relating to the technical field of heating devices; comprises a boiler component and a heat exchange component; the heat exchange assembly comprises a heat exchanger, an air inlet and an air outlet are respectively arranged at two ends of one end of the heat exchanger, and a plurality of groups of guide pipes which are bent and coiled in the heat exchanger are arranged between the air inlet and the air outlet; the heat exchanger is characterized in that a smoke outlet is installed at the top of the heat exchanger, a smoke inlet is installed on one side of the bottom of the heat exchanger, water is filled in the heat exchanger, a plurality of layers of splitter plates located above the smoke inlet are installed in the heat exchanger, and a plurality of groups of through holes are formed in the splitter plates. This device carries out the heat transfer between exhaust flue gas and the air of sending into, can last high-efficient heat transfer, reaches the effect that reduces the energy consumption, and environmental protection more.

Description

Heating equipment with secondary heat exchange structure

Technical Field

The utility model relates to a heating equipment technical field specifically is a heating equipment with secondary heat transfer structure.

Background

Heating facilities are heating facilities provided to maintain a space where people live or produce in a suitable thermal state. The object with a higher temperature for taking out the geothermal heat is called a heating radiator. In order to keep the heating radiator continuously emitting heat, a preheated fluid can be continuously passed through the radiator. This fluid is usually steam or hot water, called heat carrier medium or heating medium. The heating medium is heated by heat generating, collecting or exchanging equipment arranged outside the space, and then distributed to each heating radiator by a heating pipeline. The heat medium circulates circularly to transfer the heat to the heated space continuously.

The gas boiler is a very common heating device, and is used for heating other spaces by utilizing a water heating mode after water is heated. When the gas boiler is used, a large amount of high-temperature smoke and dust can be generated, and the smoke and dust can be directly discharged to take away a part of heat, so that a plurality of gas boilers can be provided with waste heat exchangers, injected cold water and the smoke and dust are subjected to heat exchange, and then the water is fed into the boiler to be heated, so that the effect of utilizing waste heat is achieved. However, in practical applications, after the boiler is circulated, the amount of cold water to be supplemented is small, the heat of the smoke dust cannot be fully utilized, and the smoke dust contains some carbon elements and other particulate matters which are not completely combusted, and the particulate matters are gradually accumulated in the complex structure of the heat exchanger, so that the smoke exhaust effect is deteriorated after the heat exchanger is used for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heating equipment with secondary heat transfer structure to solve the problem that proposes in the above-mentioned background art. The utility model provides an utilize the smoke and dust to carry out the scheme of heat transfer to the air, the waste heat that can make full use of smoke and dust was taken away to reach energy-conserving effect, avoided the particulate matter that the smoke and dust has simultaneously to pile up the jam problem that leads to in the heat exchanger.

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

a heating device with a secondary heat exchange structure comprises a boiler assembly and a heat exchange assembly; the heat exchange assembly comprises a heat exchanger, an air inlet and an air outlet are respectively arranged at two ends of one end of the heat exchanger, and a plurality of groups of guide pipes which are bent and coiled in the heat exchanger are arranged between the air inlet and the air outlet; the heat exchanger is characterized in that a smoke outlet is installed at the top of the heat exchanger, a smoke inlet is installed at one side of the bottom of the heat exchanger, water is filled in the heat exchanger, a plurality of layers of splitter plates located above the smoke inlet are installed in the heat exchanger, and a plurality of groups of through holes are formed in the splitter plates.

As a further aspect of the present invention: the heat exchanger is provided with a water outlet, and the smoke inlet is internally provided with a one-way valve and an air pump.

As a further aspect of the present invention: the boiler subassembly includes the furnace body, water inlet and delivery port are installed to furnace body one side, water inlet department installs the water pump.

As a further aspect of the present invention: the inside combustion chamber that has opened of furnace body, furnace body internally mounted has the water pipe of spiral wound combustion chamber, water pump and delivery port are connected respectively to the water pipe both ends, delivery port department installs temperature sensor.

As the utility model discloses further scheme again: the gas stove is characterized in that an igniter is arranged inside the stove body, an air inlet chamber is arranged on one side of the stove body and connected with the gas outlet, a gas pipe is arranged on the air inlet chamber, and a fan is arranged inside the air inlet chamber.

As a further aspect of the present invention: the top of the furnace body is provided with a smoke exhaust pipe which is connected with a smoke inlet.

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

adopt above-mentioned heating equipment that has secondary heat transfer structure, this device has utilized the waste heat of the smoke and dust that boiler subassembly burning produced to carry out the heat transfer, but not be used for giving the cold water heat transfer like conventional structure, but be used for supplying the inside air heat transfer of furnace body, make the furnace body inside when burning, initial air temperature risees, a part energy loss for heating air reduces, can reach improvement energy utilization ratio equally, reduce the effect of loss, and according to objective law, even the hot water of heating usefulness is through circulating back temperature reduction, its temperature also can be far higher than outside air temperature, use air and flue gas to carry out the heat transfer, compare in the heat transfer of flue gas with water, bigger temperature difference can have better heat transfer effect, retrieve more energy, improve energy utilization ratio.

Adopt above-mentioned heating equipment that has secondary heat transfer structure, this device has used the inside water of injection heat exchanger as the medium, the flue gas is not direct to circulate in the heat exchanger, but injected into the aquatic, discharge after passing the water that has higher height under self buoyancy, a large amount of heats of smoke and dust have been taken away to this process water, the particulate matter that also does not thoroughly lead to with the burning that exists in the smoke and dust simultaneously stays the aquatic, only need intermittent type nature's discharge sewage, both can accomplish the washing to the smoke and dust, the particulate matter absorption in the smoke and dust has been avoided in the heat exchanger that the structure is complicated, lead to unable clearance and form the problem of jam, the pollution of exhaust extension to external environment has also been avoided, make the whole environmental protection more of equipment.

Drawings

Fig. 1 is a schematic structural view of a heating apparatus having a secondary heat exchange structure.

Fig. 2 is a schematic structural diagram of a heat exchange assembly in a heating device with a secondary heat exchange structure.

Fig. 3 is a schematic structural view of a cross section of a heat exchange module in a heating apparatus having a secondary heat exchange structure.

In the figure: 1. a furnace body; 2. a water pipe; 3. a smoke exhaust pipe; 4. a heat exchanger; 5. a conduit; 6. a smoke outlet; 7. an air inlet; 8. a water outlet; 9. a temperature sensor; 10. a combustion chamber; 11. a gas pipe; 12. an air intake chamber; 13. a water pump; 14. a water inlet; 15. an igniter; 16. a boiler assembly; 17. a fan; 18. a smoke inlet; 19. a one-way valve; 20. an air outlet; 21. a water discharge port; 22. a flow distribution plate; 23. a heat exchange assembly; 24. a through hole; 25. an air extractor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, in embodiment 1 of the present invention, a heating device with a secondary heat exchange structure includes a boiler assembly 16 and a heat exchange assembly 23; the heat exchange assembly 23 comprises a heat exchanger 4, an air inlet 7 and an air outlet 20 are respectively arranged at two ends of one end of the heat exchanger 4, and a plurality of groups of guide pipes 5 which are bent and coiled in the heat exchanger 4 are arranged between the air inlet 7 and the air outlet 20; the heat exchanger is characterized in that a smoke outlet 6 is installed at the top of the heat exchanger 4, a smoke inlet 18 is installed at one side of the bottom of the heat exchanger 4, water is filled in the heat exchanger 4, a plurality of layers of splitter plates 22 located above the smoke inlet 18 are installed in the heat exchanger 4, and a plurality of groups of through holes 24 are formed in the splitter plates 22.

This device has used heat exchange assembly 23, heat recovery to the high temperature flue gas that the combustion process produced recycles, the flue gas gets into heat exchanger 4 from advancing smoke vent 18, by the aquatic of pouring into heat exchanger 4, flow distribution plate 22 is located into smoke vent 18 top, block heat exchanger 4, make heat exchanger 4 can't rise the discharge with the mode of big bubble fast, but can pass through-hole 24, by dispersing into a large amount of little bubbles, the in-process surface that the little bubble rises fully contacts with water, accomplish the heat transfer with water, after being washed residual particulate matter dust in the dust absorption by the water simultaneously, discharge from smoke vent 6 of top. The process not only finishes the heat recovery, but also finishes the cleaning of the smoke dust, and makes the smoke discharging process more environment-friendly.

In the combustion process, air needs to be continuously supplied to the boiler assembly 16, the air enters the conduit 5 inside the heat exchanger 4 from the air inlet 7, heat exchange with external water is completed through the conduit 5, the air is discharged from the air outlet 20 after the temperature is increased and enters the area of the heat exchange assembly 23, and because the temperature of the air is greatly increased compared with the original temperature, the part of energy of the boiler assembly 16 for heating the air can be greatly saved, the heat loss is reduced, and the energy-saving effect is achieved.

Compared with the traditional mode of recovering heat by utilizing cold water, the device solves the problem that the system needs cold water supply, and the temperature of the outside air is always greatly lower than the temperature of circulating reflux according to the natural law, so that a better heat exchange effect can be generated, and more heat can be recovered. Simultaneously, the device also has the effect of removing impurities in the smoke dust, so that the discharged smoke gas is cleaner and more environment-friendly, and the problem that the heat exchanger 4 is blocked by the particles of the smoke dust is avoided.

Example 2

Referring to fig. 1 to fig. 3, the main difference between the embodiment 2 and the embodiment 1 is:

referring to fig. 1 to 3, in embodiment 2 of the present invention, a water outlet 21 is installed on the heat exchanger 4, and a check valve 19 and an air pump 25 are installed in the smoke inlet 18. The water outlet 21 is used for discharging water as a medium in the heat exchanger 4 to discharge particulate impurities therein for replacing clean water. The one-way valve 19 arranged in the smoke inlet pipe is used for preventing water from flowing out of the smoke inlet pipe, and the air pump 25 is used for providing enough air pressure and solving the problem that air cannot naturally enter the water bottom.

Referring to fig. 1, the boiler assembly 16 includes a boiler body 1, a water inlet 14 and a water outlet 8 are installed at one side of the boiler body 1, and a water pump 13 is installed at the water inlet 14. The furnace body 1 is provided with a water inlet 14 and a water outlet 8 which are connected with an external circulating water path, so that external water is heated and discharged after entering, and the water pump 13 is used for controlling water flow.

Referring to fig. 1, a combustion chamber 10 is arranged inside the furnace body 1, a water pipe 2 spirally wound around the combustion chamber 10 is arranged inside the furnace body 1, two ends of the water pipe 2 are respectively connected with a water pump 13 and a water outlet 8, and a temperature sensor 9 is arranged at the water outlet 8. The combustion chamber 10 is used to make a sufficient space for flame combustion, the water pipe 2 is used to complete the work of water absorbing heat from the external flame, and the temperature sensor 9 detects the temperature of the discharged water to adjust the combustion intensity.

Referring to fig. 1, an igniter 15 is installed inside the furnace body 1, an air inlet chamber 12 is installed on one side of the furnace body 1, the air inlet chamber 12 is connected with an air outlet 20, a gas pipe 11 is installed on the air inlet chamber 12, and a fan 17 is installed inside the air inlet chamber 12. The igniter 15 is used for ignition, and the intake chamber 12 is used for preliminary mixing of the fuel gas and air and providing suction to allow sufficient air to enter and feed the mixed gas into the combustion chamber 10.

Referring to fig. 1, a smoke exhaust pipe 3 is installed at the top of the furnace body 1, and the smoke exhaust pipe 3 is connected to a smoke inlet 18. The smoke exhaust pipe 3 exhausts the smoke generated by combustion and sends the smoke into the smoke inlet 18.

The utility model discloses a theory of operation is:

this device has used heat exchange assembly 23, and heat exchanger 4 internally mounted of heat exchange assembly 23 has a large amount of pipes 5, and pipe 5 is used for making the outside air pass through, and the smoke inlet 18 is installed to 4 bottoms of heat exchanger simultaneously, makes the high temperature flue gas that boiler subassembly 16 produced let in heat exchanger 4 from the bottom to finally discharge from the top, heat exchanger 4 is inside to be full of water, and has set up flow distribution plate 22. The flue gas gets into aquatic, is dispersed into the age microbubble, accomplishes the heat transfer with water after, is discharged after having absorbed impurity, and water gives the outside air that gets into with heat transfer, makes the air temperature that is sent into in the boiler subassembly 16 raise, has reduced the energy loss to air heating, has improved thermal utilization ratio, makes whole equipment energy-concerving and environment-protective more.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A heating device with a secondary heat exchange structure comprises a boiler assembly and a heat exchange assembly; the heat exchange assembly is characterized by comprising a heat exchanger, wherein an air inlet and an air outlet are respectively arranged at two ends of one end of the heat exchanger, and a plurality of groups of guide pipes which are bent and coiled in the heat exchanger are arranged between the air inlet and the air outlet; the heat exchanger is characterized in that a smoke outlet is installed at the top of the heat exchanger, a smoke inlet is installed on one side of the bottom of the heat exchanger, water is filled in the heat exchanger, a plurality of layers of splitter plates located above the smoke inlet are installed in the heat exchanger, and a plurality of groups of through holes are formed in the splitter plates.

2. The heating equipment with the secondary heat exchange structure according to claim 1, wherein a water outlet is installed on the heat exchanger, and a check valve and an air pump are installed in the smoke inlet.

3. The heating equipment with the secondary heat exchange structure according to claim 1, wherein the boiler assembly comprises a boiler body, a water inlet and a water outlet are installed on one side of the boiler body, and a water pump is installed at the water inlet.

4. The heating equipment with the secondary heat exchange structure according to claim 3, wherein a combustion chamber is arranged inside the furnace body, a water pipe spirally wound around the combustion chamber is arranged inside the furnace body, two ends of the water pipe are respectively connected with a water pump and a water outlet, and a temperature sensor is arranged at the water outlet.

5. The heating equipment with the secondary heat exchange structure according to claim 3 or 4, wherein an igniter is installed inside the furnace body, an air inlet chamber is installed on one side of the furnace body and connected with an air outlet, a gas pipe is installed on the air inlet chamber, and a fan is installed inside the air inlet chamber.

6. The heating equipment with the secondary heat exchange structure according to claim 3, wherein a smoke exhaust pipe is installed at the top of the furnace body and is connected with the smoke inlet.