CN2362038Y

CN2362038Y - Gas water heater

Info

Publication number: CN2362038Y
Application number: CN 98238569
Authority: CN
Inventors: 刘文成
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-08-13
Filing date: 1998-08-13
Publication date: 2000-02-02
Anticipated expiration: 2008-08-13

Abstract

The utility model provides a gas water heater for baths, which is mainly composed of a burner, a heater, an air inlet pipe communicated with the burner, a water inlet nozzle and a water outlet nozzle, wherein, the water inlet nozzle and the water outlet nozzle are communicated with the heater. The heater adopts a barrel type structure which is composed of an inner and an outer shells, the periphery of the barrel type structure forms an annular shape and is closed, and the middle part is communicated up and down; the burner is arranged in a cavity body in the middle of the heater, and all burning holes of the burner are made to be corresponding to the inner wall of the heater. The utility model solves the problems of insufficient heat radiation and insufficient burning of the existing water heater, and has the advantages of energy saving, high heat efficiency, safety, etc.

Description

Gas heater

The utility model relates to the water heater that a kind of bathing is used, and particularly a kind of is the gas heater of fuel with natural gas, coal gas etc.

At present, the gas heater that people generally use mainly is made up of burner and heater, and cold water flows into heater by feed pipe, and by the burner heating, its hot water is flowed out by the delivery port of heater.Owing to arrange up and down between the heater of this water heater and the burner, therefore exist the following shortcoming: 1) the part heat dissipates through shell, causes the waste of the energy; 2) ventilation is hindered up and down, has influenced the abundant burning of combustion gas, has not only reduced the utilization rate of combustion gas, but also has easily produced CO gas, and the security incident that causes CO gas to poison takes place; 3) the steam distillation water that the surface produced of heater is easy to drip on the flame, has influenced the abundant burning of combustion gas.

The purpose of this utility model is to provide a kind of thermal efficiency height, and sufficient combustion is safe and reliable, and simple in structure, is easy to processing and fabricating, gas heater with low cost.

The purpose of this utility model is achieved in that this gas heater is mainly chewed by burner, heater, the air inlet pipe that is connected with burner, the water inlet that is connected with heater and chews institute with water outlet and form; Wherein heater adopt by inside and outside two-layer housing forms around be annular closed, the centre is the core structure that leads directly to up and down; Burner is installed in the cavity that leads directly to up and down in the middle of the heater, and all the inwall with heater is relative to make burner ports all in the burner.

Further improvement of the utility model is that burner has many burner ports by several and upright combustion tube top seal is formed.

The another kind of improvement of the present utility model is that burner has spirality combustion tube many burner ports and top seal by one and formed.

Another improvement of the present utility model is the base plate that is welded with annular between the inner and outer shell of heater annular closed, and heater is separated into airtight two parts up and down, and top is divided into preheating section, and the bottom is divided into bringing-up section; Water inlet is chewed and is installed on the preheating section, water outlet chew be installed in bringing-up section by the upper part, between preheating section and bringing-up section, be communicated with by guide pipe; All burner ports in the burner are all relative with the inwall of bringing-up section in the heater.

The utlity model has following advantage:

1) reduces scattering and disappearing of heat, saved the energy.Because heater of the present utility model has adopted double-layer seal formula structure, water rises on the plane from bottom to top, temperature raises gradually, and the interval is to be lower than natural temperature greatly, having only very little a part of interval to be higher than natural temperature outwards dispels the heat, as for just littler in the interval more than 40 ℃, therefore, the heat that has reduced surface of shell scatters and disappears;

2) sufficient combustion, thermal efficiency height, safe and reliable.Since the cavity in the middle of the heater of the present utility model greatly, straight-through up and down, and burner is installed in wherein, burner port is again directly facing to the inwall of heater.Therefore, and though be in the pipe of combustion tube or around, all have enough air to supply with, combustion-supporting by mixed once and secondary, guaranteed the abundant burning of combustion gas, also guaranteed the safety of use simultaneously.In addition, also solved because of the steam distillation water droplet and on flame, influenced the clean-burning problem of combustion gas;

3) reduce incrustation scale, improved the efficient of hot transmission.Because the water in the heater rises on the plane from bottom to top, temperature raises gradually, and the interval is to be lower than natural temperature greatly, have only very little a part of interval to be higher than natural temperature, as for just littler in the interval more than 40 ℃, make to have reduced thermal resistance by the interior generation incrustation scale that is difficult for of heater, improved the efficient of hot transmission.

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the structural representation of a kind of scheme of the utility model;

Fig. 3 is the structural representation of the another kind of scheme of the utility model;

Fig. 4 is the structural representation of another scheme of the utility model.

As shown in Figure 1, the utility model mainly by burner, heater 14, the air inlet pipe 7 that is connected with burner, the water inlet that is connected with heater 14 chew 2 and water outlet chew 3 and form, wherein heater 14 adopts, and what is made up of inside and outside two-layer housing is annular closed on every side, the centre is straight-through up and down core structure, water inlet chew 2 be installed in toroidal shell by following position, 3 upper parts of leaning on that are installed in toroidal shell are chewed in water outlet; Burner is installed in the cavity that leads directly to up and down in the middle of the heater 14, and all the inwall with heater 14 is relative to make its all burner port 51.

Burner of the present utility model mainly adopts two kinds of versions, and a kind of is vertical type (shown in Fig. 1,3,4); A kind of is spiral (as shown in Figure 2).Shown in Fig. 1,3,4, the vertical type burner mainly has many burner ports 51 respectively by several and upright combustion tube 5 top seal is formed.The combustion tube 5 that provides in this accompanying drawing is two, and coupled logical air inlet pipe 7 is straight, is welded with air nozzle 6 on the venthole of air inlet pipe 7, and air nozzle 6 is covered with gas skirt 8, and is connected with combustion tube 5 by gas skirt 8.The combustion tube 5 of this kind vertical combustor both can have been installed one, also can install a plurality of, install when a plurality of when needs, air inlet pipe 7 can be curved annular (with the akin ellipse of the cross section of barrel-type casing), and then combustion tube 5 is installed on the air inlet pipe 7 equally spacedly.In addition, the distribution of the burner port 51 in the combustion tube 5 also will reduce along with combustion tube 5 increasing of quantity, and for example: during two combustion tubes, the distribution of burner port 51 respectively accounts for 180 °; During three combustion tubes, the distribution of burner port 51 respectively accounts for 120 ° or the like.As shown in Figure 2, spiral burner mainly has 5 ' of spirality combustion tube many burner ports 51 and top seal by one and forms, and burner port 51 is distributed on the outside tube wall of helix tube, and corresponding with the inwall of heater 14.In addition, spacing between the helix tube 5 ' and height thereof can be decided according to the actual requirements.

Two kinds of versions of heater 14 main employings of the present utility model, a kind of is single heating formula (as shown in Figure 1); A kind of is repetition heated type (being that first preheating is heated again).Repeat heated type and be divided into two kinds again: a kind of is outer communication type (as shown in Figure 2); A kind of is interior communication type.Interior communication type is divided into two kinds again: a kind of is directly interior communication type (as shown in Figure 3); A kind of is indirectly interior communication type (as shown in Figure 4).As shown in Figure 1, the heater 14 of single heating formula adopts, and what is made up of inside and outside two-layer housing is annular closed on every side, the centre is straight-through up and down core structure, water inlet chew 2 be installed in toroidal shell by position down, 3 upper parts of leaning on that are installed in toroidal shell are chewed in water outlet.The heater 14 that repeats heated type is to be separated up and down by the base plate 13 that is welded with annular between the inner and outer shell of heater 14 annular closed, and with water inlet chew 2 be installed in the top preheating section 1 on, water outlet chew 3 be installed in below bringing-up section 4 by on the upper part, between preheating section 1 and bringing-up section 4, be communicated with, and all burner ports 51 in the burner are all relative with the inwall of bringing-up section 4 in the heater 14 by guide pipe.The heater 14 of this kind version both can be made one with preheating section 1 and bringing-up section 4 adding man-hour, fitted together after also they can being processed respectively again.As shown in Figure 2, it is the heater that adopts the outer repetition heated type that is communicated with between a kind of preheating section 1 and the bringing-up section 4, it is the outside at heater 14, one end of guide pipe 9 ' is connected being communicated with by the upper part and with it of preheating section 1, and the other end is connected being communicated with by following position and with it of bringing-up section 4.As shown in Figure 3, it is the heater of the repetition heated type of connection in adopting directly between a kind of preheating section 1 and the bringing-up section 4, it is between the inside and outside two housings of heater 14, guide pipe 9 is passed annular bottom plate 13 between preheating section 1 and the bringing-up section 4, and the upper port that makes guide pipe 9 be positioned at preheating section 1 by the upper part, lower port be positioned at bringing-up section 4 by time position.As shown in Figure 4, it is the heater of the repetition heated type of connection in adopting indirectly between a kind of preheating section 1 and the bringing-up section 4, it is the inboard at heater 14, by guide pipe 12 preheating section 1 is communicated with (smoke ejector 11 among this figure has this function concurrently) with the container that is installed in the cavity top, and the mouth of pipe that makes guide pipe 12 is positioned at the upper part of leaning on of preheating section 1, by guide pipe 12 ' smoke ejector 11 is communicated with bringing-up section 4 again, and the upper end mouth of pipe that makes guide pipe 12 ' be positioned at smoke ejector 11 by the upper part, the lower end mouth of pipe be positioned at bringing-up section 4 by time position.

Can also be used in combination arbitrarily between above-described two kinds of burners and the various heater.

As shown in Figure 4, for the flue gas in heater 14 cavitys is outwards discharged along the inwall of preheating section 1 as far as possible, make the heat of its absorption more, the utility model is equipped with a root post 10 in the straight-through up and down cavity in the centre of heater 14, fix an opening smoke ejector 11 up that has concave shape on the top of column 10, force flue gas to around distribute.In addition, smoke ejector 11 can also be designed to the structure of double-layer seal formula, and the preheating section 1 of heater is communicated with smoke ejector 11 by guide pipe 12, make the mouth of pipe of guide pipe 12 be positioned at preheating section 1 by the upper part, by guide pipe 12 ' smoke ejector 11 is communicated with bringing-up section 4 again, and the upper end mouth of pipe that makes guide pipe 12 ' be positioned at smoke ejector by the upper part, the lower end mouth of pipe be positioned at bringing-up section 4 by time position.Reached the purpose of the preceding secondary preheating of direct heating.

Below in conjunction with Fig. 4 the flow path of water in the course of work of the present utility model is summarized as follows:

Earlier cold water is chewed 2 preheating sections 1 of sending into heater from water inlet, the waste heat of emitting when absorbing burner combustion when in preheating section 1, slowly rising, when treating that water rises to certain height and arrives the upper end mouth of pipe of guide pipe 12, just the water in the preheating section 1 is guided to and carried out the secondary preheating in the smoke ejector 11, when treating that water in the smoke ejector 11 rises to certain height and arrives the upper end mouth of pipe of guide pipe 12 ', the water in the smoke ejector 11 guided in the bringing-up section 4 directly heat.In the heater 4 of annular,, just chew 3 after temperature required and discharge from water outlet when reaching along with its water level of rising of water temperature also raises gradually.

Claims

1, the gas heater used of a kind of bathing, mainly by burner, heater, the air inlet pipe that is connected with burner, the water inlet that is connected with heater chew with water outlet chew form, it is characterized in that heater adopts by inside and outside two-layer housing forms around be annular closed, the centre is the core structure that leads directly to up and down; Burner is installed in the cavity that leads directly to up and down in the middle of the heater, and all the inwall with heater is relative to make its all burner port.

2, gas heater according to claim 1 is characterized in that burner has upright combustion tube many burner ports (51) and top seal (5) by several and formed.

3, gas heater according to claim 1 is characterized in that burner has (51) and spirality combustion tube top seal (5 ') of many burner ports by one and formed.

4, according to claim 1,2 or 3 described gas heaters, it is characterized in that Shui Zui (2) into be installed in heater (14) toroidal shell by position down, water outlet chew (3) be installed in the heater toroidal shell by the upper part.

5, according to claim 1,2 or 3 described gas heaters, it is characterized in that between the inner and outer shell of heater (14) annular closed, being welded with the base plate (13) of annular, heater (14) is separated into airtight two parts up and down, top is divided into preheating section (1), and the bottom is divided into bringing-up section (4); Water inlet is chewed (2) and is installed on the preheating section (1), water outlet chew (3) be installed in bringing-up section (4) by the upper part, between preheating section (1) and bringing-up section (4), be communicated with by guide pipe; All burner ports (51) in the burner are all relative with the inwall of bringing-up section (4) in the heater (14).

6, gas heater according to claim 5, it is characterized in that the outside in heater (14), one end of guide pipe (9 ') is connected being communicated with by the upper part and with it of preheating section (1), and the other end is connected being communicated with by following position and with it of bringing-up section (4).

7, gas heater according to claim 5, it is characterized in that between the inside and outside two housings of heater (14), guide pipe (9) is passed annular bottom plate (13) between preheating section (1) and the bringing-up section (4), and the upper port that makes guide pipe (9) be positioned at preheating section (1) by the upper part, lower port be positioned at bringing-up section (4) by time position.

8, gas heater according to claim 5 is characterized in that in the straight-through up and down cavity in the centre of heater (14) root post (10) being installed, and fixes an opening smoke ejector (11) up that has concave shape on the top of column (10).

9, gas heater according to claim 8, it is characterized in that smoke ejector (11) is the structure of double-layer seal formula, be communicated with smoke ejector (11) by the preheating section (1) of guide pipe (12) earlier heater, and the mouth of pipe that makes guide pipe (12) is positioned at the upper part of leaning on of preheating section (1), by guide pipe (12 ') smoke ejector (11) is communicated with bringing-up section (4) again, and the upper end mouth of pipe that makes guide pipe (12 ') be positioned at smoke ejector (11) by the upper part, the lower end mouth of pipe be positioned at bringing-up section (4) by time position.