CN202254310U

CN202254310U - Combined type spiral metal bellows heat exchanger

Info

Publication number: CN202254310U
Application number: CN2011202890705U
Authority: CN
Inventors: 刘为敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-08-03
Filing date: 2011-08-03
Publication date: 2012-05-30
Anticipated expiration: 2021-08-03

Abstract

The utility model discloses a combined type spiral metal bellows heat exchanger, which comprises a main combustion chamber and a secondary combustion chamber. A fire dividing net is disposed on the periphery of an inner cavity of the main combustion chamber, a support is connected with the fire dividing net, two circles or more than two circles of metal bellows are wound spirally on the periphery of the support, the bottom of the main combustion chamber is connected with the bottom of a smoke guide cover in sealing mode to form a smoke through passage, and a top cover is provided with a top cover heat insulation plate. High temperature smoke is led to run out from the lateral faces of the periphery of the main combustion chamber for heat exchange, heat exchange area is increased, and uniformity degree of combustion is improved. Stainless steel metal bellows replace copper materials so that manufacture cost is reduced and environmental pollution is lowered.

Description

Combined type helical metal bellows heat exchanger

Technical field:

The utility model relates to a kind of heat exchanger, a kind of specifically combined type helical metal bellows heat exchanger that is applied on gas-heating water heater and the gas heater

Background technology:

In the prior art, gas-heating water heater and gas heater heat exchanger often adopt the copper product manufacturing, soak lead or soldering then and handle; The product structure that adopts this method to process is complicated, is difficult for grasping, and the slit can occur between heat exchanging fin and the water pipe; Have the low phenomenon of heat transfer efficiency, a large amount of copper materials uses, and is increased to manufacturing cost; What people paid close attention to the most is that copper heat exchanger can give off a large amount of lead and acidic materials in soaking plumbous process, brings pollution to environment, for these years; Many enterprises all address this problem attempting, and really produce little effect; In order to overcome the defective that existing manufacturing technology exists, utilize the corrugated stainless steel tubing material to replace copper material, make heat exchanger, what just show is extremely important.

Summary of the invention: the utility model technical problem to be solved provides a kind of combined type helical metal bellows heat exchanger, and it has, and antiseptic property is good, and the thermal efficiency is high, and manufacturing process is simple, and is pollution-free, the characteristics that cost is low.

The deal with problems technical scheme that adopted of the utility model is to realize like this; The utility model comprises main chamber and time combustion chamber; It is characterized in that: be provided with the branch network of fire around the main chamber inner chamber; Support connects with dividing the network of fire, around support, is twining two circles or the wavy metal more than two circles with helical form, with one or more layers of structural arrangement; The main chamber bottom connects with the smoke guiding cover bottom seals, and the middle part formed cigarette channel, and the top is provided with the top cover thermal insulation board; Be provided with the combustion chamber thermal insulation board around the inferior combustion chamber.

The utility model compared with present technology, beneficial effect embodies:

1, the utility model is provided with support at the main chamber inner chamber, is twining metal bellows around the support, with helical arrangement, has increased heat exchange area, has improved the thermal efficiency.

2, be provided with the branch network of fire around the rack bore of the utility model, the top is provided with the top cover thermal insulation board, and high-temperature flue gas is flowed out the side from main chamber all around, makes that burning is more complete, and heat exchange is more abundant.

3, the utility model is simple in structure, and is easy to make, utilizes the stainless steel metal bellows to replace copper material, reduced cost of manufacture, reduced environmental pollution.

Description of drawings:

Fig. 1 is the utility model structural representation;

Fig. 2 is that the utility model combines sketch map with burner and blower fan;

Below, the utility model is further described in conjunction with accompanying drawing through embodiment;

Description of reference numerals:

1-petticoat pipe mouth, 2-water conservancy diversion petticoat pipe, 3-top cover thermal insulation board, 4-metal bellows, 5-cross cigarette channel, 6-support, 7-outlet pipe, 8-combustion chamber thermal insulation board, 9-main chamber, 10-combustion chamber, 11-and divide the network of fire, 12-water inlet pipe, 13-burner, 14-fuel gas inlet, 15-blower fan, 16-outlet flue.

Embodiment:

Referring to accompanying drawing 1; Present embodiment comprises main chamber (9) and time combustion chamber (10): be provided with the branch network of fire (11) around main chamber (9) inner chamber; Support (6) connects with dividing the network of fire (11); Support (6) all around with helical form twining six the circle wavy metals (4), with one deck structural arrangement as heat-exchange tube; Sealed attachment is carried out with water conservancy diversion petticoat pipe (2) bottom in main chamber (9) bottom, and the middle part formed cigarette channel (5), and the top is provided with top cover thermal insulation board (3); Inferior combustion chamber (10) is provided with combustion chamber thermal insulation board (8) all around.

Referring to accompanying drawing 2; The utility model is installed in gas-heating water heater or the gas heater (do not draw among the figure), cold water flows into metal bellows (4) from water inlet pipe (12), blower fan (15) work at this moment; Combustion gas gets into burner (13) from fuel gas inlet (14), in inferior combustion chamber (10), carries out preliminary burning, gets into main chamber (9) again and carries out mixed combustion; Because main chamber (9) top is provided with top cover thermal insulation board (3), high-temperature flue gas can only flow out from the branch network of fire (11) side of main chamber (9) inner chamber, to evenly diffusion all around; Flow out from slit between the metal bellows (4), carry out heat exchange, the effect of water conservancy diversion petticoat pipe (2) with cold water in the metal bellows of flowing through (4); Make the sequential stream of the useless flue gas that loses heat through cigarette channel (5); Concentrate at petticoat pipe mouth (1),, discharge from outlet flue (16) through blower fan (15); Be heated the hot water that the back forms, flow out for people to use from outlet pipe (7).

Claims

1. combined type helical metal bellows heat exchanger; Comprise main chamber and time combustion chamber; It is characterized in that: be provided with the branch network of fire around the main chamber inner chamber; Support connects with dividing the network of fire, around support, is twining two circles or the wavy metal more than two circles with helical form, with one or more layers of structural arrangement.

2. combined type helical metal bellows heat exchanger according to claim 1 is characterized in that: the main chamber bottom connects with the smoke guiding cover bottom seals, and the middle part formed cigarette channel, and the top is provided with the top cover thermal insulation board.

3. combined type helical metal bellows heat exchanger according to claim 1 is characterized in that: be provided with the combustion chamber thermal insulation board around the inferior combustion chamber.