CN2322080Y - Gas-burning heating boiler for civil use - Google Patents

Abstract

The utility model relates to a civil gas-fired heating boiler, and the utility model is composed of a boiler body, an electric controller and a quadrate housing. Heating pipes are evenly distributed and welded on the wall of a reflection type combustion chamber, and a heating chamber is arranged on the outside of the combustion chamber; a combustion net is connected to the main body of a combustor in an adhesive way, and the main body of a combustor is arranged on a connecting plate positioned on the lower part of the boiler housing; besides, the bottom of the boiler housing is welded on a base. The electric controller fixed in the housing is provided with an ignition protective circuit, a combustion protective circuit, an inspection and alarm circuit for gas leakage and a cryogenic antifreezing protective circuit, and the electric controller is connected and locked with the overheating sensor, the temperature sensor, the photosensitive tube, the blower, the combustion electromagnetic valve, the tinder electromagnetic valve, the room thermostat and the motor of the boiler through conducting wires. The connection and the lock of the components of the utility model is automatically controlled, and the utility model has high efficiency and saves energy.

Description

The domestic gas heating boiler

The utility model belongs to the design and the manufacturing technology field of gas fired-boiler, particularly small-sized domestic gas heating boiler.

At present, market is not seen has this type of domestic gas boiler to sell, and also is not seen in the data report.There is gas heater to sell on the market, its weak point is: each gas heater can only be used in a room, and because of it does not have chimney, the waste gas of producing during burning (mainly being that carbon dioxide, oxygen also can generate carbon monoxide when not enough) is emitted on indoor fully, long-time use can cause indoor anoxic, and is dangerous.

The purpose of this utility model is that providing a kind of is the domestic gas hot water heating stove of raw material with the fuel gas.

The utility model is achieved through the following technical solutions:

The utility model is made of gas fired-boiler body, electric controller and shell.Boiler body and auxiliary device thereof are contained in the rectangular container, and electric controller is fixed on the square shell inwall.

Boiler furnace is reflective.Top, combustion chamber has upper sealing plate, bottom outer rim that one annular shrouding is down arranged.Pyrotechnics pipe two ends are passed and are welded on up and down in the wrong hole of shrouding.Space between the shrouding constitutes the water heating clamber up and down.Overheat sensor and temperature sensor are equipped with in the shell middle part, and photosensitive tube is equipped with in the bottom.Below the combustion chamber enclosed ventilation electronic striking burner and supply air system.Electric controller is housed in the shell.Electric controller connects rope control in parallel through lead with motor, magnetic valve, Electric spark ignitor and the room thermostat of overheat sensor, temperature sensor, photosensitive tube, water pump, blower fan.

Below in conjunction with accompanying drawing planform of the present utility model is done and to be specified.

Fig. 1 is the utility model structure (main looking) schematic diagram

Fig. 2 produces the A-A cutaway view of Fig. 1

Fig. 3 is a burner structure schematic diagram in the utility model

Fig. 4 is the B-B cutaway view of Fig. 3

Fig. 5 is an electric controller block diagram in the utility model

Shrouding 10-photosensitive tube 11-blast regulator 12-blower fan 13-burner magnetic valve 14-kindling material magnetic valve 15-outlet pipe 16-upper sealing plate 17-chamber wall 18-water inlet pipe 19-connecting plate 20-sealing asbestos pad 21-burner body 22-base 23-end socket 24-burning web 25-screw hole 26-spray point 27-burner body 28-insulated fireproof sealing ring 29-closure plate 30-kindling material pipe 31-screw 32-gas source connector 33-kindling material pipe joint under the 1-chimney 2-shell 3-electric controller 4-shell 5-overheat sensor 6-temperature sensor 7-smoke-fire-tube 8-heating tube 9-

Combustion chamber in the gas fired-boiler body, shell (4) is reflective.8 (2,4,6,8,10 of combustion chamber ... root all can) heating tube (8) is uniform is welded on the chamber wall (17).It outside the combustion chamber water heating clamber.It is by shell inwall, outer wall of combustion chamber, upper sealing plate (16), shrouding (9) and pass 8 (6,8,10 of shrouding (16,9) up and down down ... root all can) pyrotechnics pipe (7) constitute.Upper sealing plate (16) outer rim is welded on the inwall of shell (4), and shrouding (9) outer rim is welded in shell (4) inwall to annular down, inner edge is welded on the outer rim of chamber wall (17) bottom.8 pyrotechnics pipes (7) pass and are welded in the corresponding wrong hole of shrouding (16,9) up and down (the wrong hole of shrouding forms the rotation form up and down).Outlet pipe (15) is welded on the upper sealing plate (16).Be welded with chimney (1) on the end socket (23) of shell (4), outlet pipe (15) passes, manages outer wall by end socket (23) and is welded on the end socket (23).Water inlet pipe (18) is arranged at shell (4) bottom.Fixes an overheat sensor (5) with screw above the shell (4) at water heating clamber position, temperature sensor (6), photosensitive tube (10) are contained in the sleeve pipe separately on the shell (4).Connecting plate (19) is welded on shell (4) lower inner wall, and burner body (21), sealing asbestos pad (20) are fixed on the connecting plate (19) through screw.Burning web (24) is bonded on the burner body (27), and spray point (26), kindling material pipe (30) are fixed on the burner body (27) through screw (31); The closure plate (29) of sealing spray point (26), kindling material pipe (30), insulated fireproof sealing ring (28) is fixed on the burner main body (27) with the screw sealing, uses and holds sealing ring (28).Blower fan (12) with wind-force adjuster (11) is connected with burner (21) through lead.Burner body (27), magnetic valve (13) are connected on the burner joint (32) with copper pipe.Kindling material magnetic valve (14) is connected with copper pipe with kindling material joint (33).Shell (4) bottom is welded on the base (22).During use, outlet pipe (15) connects with the upper hose of the radiator group that is connected, and water inlet (18) is connected with the return pipe of radiator group, forms water-flow circuit.

Electric controller, its circuit structure as shown in Figure 5.Electric controller (3) is fixed on shell (2) upper inside wall with screw.Electric controller (3) connects rope control in parallel through lead with overheat sensor (5), temperature sensor (6), photosensitive tube (10), blower fan (12), burning magnetic valve (13), kindling material magnetic valve (14), pump motor and the room thermostat of boiler.

Electric controller (3) has ignition protection, burning protection, overtemperature protection, gas leakage alarm and low temperature anti-frost protection circuit.Its function is as follows:

1. ignition protection: if kindling material was not lighted in 8 seconds, spray point and kindling material magnetic valve quit work.At this moment, air blast starts immediately, and the gas that will be accumulated in the combustion chamber in 10 seconds is blown out by chimney, prevents prominent quick-fried.Afterwards, spray point, kindling material magnetic valve row again start, until lighting kindling material.

2. burning protection: behind the kindling material ignition combustion gas, by photosensitive tube monitoring flame.As occurring anomalies such as unexpected deepening, tempering in the combustion chamber, then main burner magnetic valve and blower fan quit work, and air feed stops fault alarm simultaneously.

3. gas leakage detection alarm: if any gas leakage, the prediction and alarm device rings, and the boiler running stops.

4. overtemperature protection: boiler water temperature preestablishes, and is controlled by overheat sensor.As being higher or lower than predefined temperature, boiler shuts down automatically or restart point is burnt stove.

5. low temperature anti-frost protection: go out, when boiler water temperature was lower than 2 ℃, boiler can start burning voluntarily temporarily.

The circuit of electric controller, general industry technical staff can draw line map according to Fig. 5 (block diagram).

Shell, its structure as shown in Figure 1.Shell (2) is a rectangle, is the edging metallic plate except that the bottom surface, and each metallic plate is connected and fixed by self-tapping screw.Shell (2) bottom is fixed on the base (22) with self-tapping screw.

Operation principle of the present utility model:

Flame Direct Contact Heating pipe and chamber wall constantly rise boiler water temperature.Hot waste gas that fuel gas is produced in the combustion process of combustion chamber and not burned fuel gas in the chamber wall from top to down flows backward to the pyrotechnics pipe, rotate up.Give birth to heat with reflected version second-time burning in the pyrotechnics pipe, continue to improve water temperature in the stove.Second-time burning can reduce fuel consumption, reduces smoke discharge amount.

Key points for operation are, when the needs boiler is worked, press the ignition switch again that resets on the running/shutdown switch, the running/shutdown switch on the room thermostat, electric controller of electric controller successively, and boiler begins to start, and ignition system is started working.At this moment the burning indicator lamp on the electric controller is bright, the spray point discharge igniting, and the kindling material magnetic valve is worked simultaneously, and fuel gas is emitted by the kindling material pipe, and behind the spark ignition of spray point, the blast regulator in main burner magnetic valve and blower fan and the blower fan is worked simultaneously.Add an amount of air to fuel gas, burning gases are entered become the mixed combustible gas body in the main burner, and lighted by kindling material.Combustion heating pipe and chamber wall make boiler water temperature rise to electric controller and the predefined maximum temperature of temperature sensor gradually, and water pump is started working automatically, send hot water to heating plant.

The utility model has the advantages that volume is little, compact conformation has reflective combustion chamber, and the automaticity height is saved The energy, thermal efficiency height, environmental sanitation is good.

Claims (2)

1. the domestic gas heating boiler is made up of shell, flue and gas combustion apparatus, it is characterized in that assembling by gas fired-boiler body, electric controller and shell,

The gas fired-boiler body, combustion chamber in the shell (4) is reflective, the heating tube of combustion chamber (8) is uniform to be welded on the chamber wall (17), it outside the combustion chamber water heating clamber, by part shell inwall, outer wall of combustion chamber, shrouding (16 up and down, 9) and pass and be welded on up and down shrouding (16,9) pyrotechnics pipe (7) constitutes, upper sealing plate (16,9) outer rim is welded in the inwall relevant position of shell (4), following shrouding (9) is an annular, annular inner rim is welded on the outer rim of chamber wall (17) bottom, pyrotechnics pipe (7) passes and is welded on shrouding (16 up and down, 9) in the corresponding wrong hole, outlet pipe (15) is welded on the upper sealing plate (16), be welded with chimney (1) on the end socket (23) of shell (4), outlet pipe (15) is passed by end socket (23), outer wall is welded on the end socket (23), water inlet pipe (18) is arranged at shell (4) bottom, the shell at heating clamber position (4) outer wall is by the fixing overheat sensor (5) of screw, temperature sensor (6), photosensitive tube (10) is contained in the sleeve pipe separately on the shell (4), connecting plate (19) is welded on shell (4) lower inner wall, burner body (21), sealing asbestos pad (20) is fixed on the connecting plate (19) by screw, burning web (24) is bonded on the burner body (27), spray point (26), kindling material pipe (30) is fixed on the housing of burner body (27) through screw (31), burner magnetic valve (13) is connected on the burner joint (32) by copper pipe, kindling material magnetic valve (14) is connected with copper pipe with kindling material joint (33), shell (4) bottom is welded on the base (22)

Electric controller, electric controller (3) is fixed on shell (2) upper inside wall by screw, electric controller (3) connects, joins rope through lead with overheat sensor (5), temperature sensor (6), photosensitive tube (10), blower fan (12), burning magnetic valve (13), kindling material magnetic valve (14), room thermostat and the pump motor of boiler

Shell, shell (2) is a rectangle, and each face is the edging metallic plate, is fixed by self-tapping screw therebetween, and shell (2) bottom is fixed on the base (22) by self-tapping screw.

2. civil heating boiler according to claim 1 is characterized in that having ignition protection in the electric controller (3), burning protection, gas leakage detection alarm and low temperature anti-frost protection circuit.

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