CN201589396U

CN201589396U - Wall-mounted gas boiler with antifreezing relief valve

Info

Publication number: CN201589396U
Application number: CN2009202644563U
Authority: CN
Inventors: 叶远璋; 钟家淞
Original assignee: Guangdong Vanward New Electric Co Ltd
Current assignee: Guangdong Vanward New Electric Co Ltd
Priority date: 2009-12-08
Filing date: 2009-12-08
Publication date: 2010-09-22
Anticipated expiration: 2019-12-08

Abstract

The utility model discloses a wall-mounted gas boiler with an antifreezing relief valve, comprising a water flow pipeline, an electromagnetic valve, a controller, a heat exchanger, a water pump, an expansion water tank, a burner and a plate type heat exchanger, wherein the controller is electrically connected with the electromagnetic valve and the water pump, the expansion water tank is installed on a heating return pipe in the water flow pipeline, and the plate type heat exchanger is communicated with a hot water pipe and a cold water inlet pipe in the water flow pipeline. The wall-mounted gas boiler is technically characterized by also comprising the antifreezing relief valve. The antifreezing relief valve comprises an antifreezing relief pipe, a movable body, a spring, a sealing ring and an end cover, wherein the movable body is sealed with the antifreezing relief pipe through the sealing ring, the end cover is also provided with a via hole and is connected with the end of the antifreezing relief pipe, the spring is arranged in the antifreezing relief pipe between the movable body and the end cover, and the antifreezing relief valve is communicated with a water inlet and the water flow pipeline through the antifreezing relief pipe. The wall-mounted gas boiler has the advantages of efficiently preventing freezing under the condition of power failure and the like without needing energy consumption.

Description

Burnt gas wall hanging furnace with antifreeze relief valve

Technical field: the utility model relates to a kind of burnt gas wall hanging furnace with antifreeze relief valve.

Background technology: existing burnt gas wall hanging furnace; when preventing that environment temperature is low in the burnt gas wall hanging furnace water pipe in the heat exchanger because of the water freezing spalling in managing; existing technical scheme adopts following three kinds of antifreeze modes usually: electrical heating antifreezing; the combustion gas heating and anti-freezing; the draining of manual drainage valve; preceding two kinds of antifreeze modes must civil power could operate as normal; need simultaneously constantly to heat; and consume a large amount of energy; electrical heating antifreezing and combustion gas heating and anti-freezing all can't be worked under situation about having a power failure; the draining of manual drainage valve needs user's manual operations draining valve to discharge water; the user usually can forget and discharges water in actual the use; and cause the burnt gas wall hanging furnace inner water tube by bursting by freezing; cause to exist defroster to waste energy, can't normal antifreeze defective under the power failure situation.For overcoming these defectives, the burnt gas wall hanging furnace with antifreeze relief valve is developed.

Summary of the invention: technical problem to be solved in the utility model is that a kind of burnt gas wall hanging furnace with antifreeze relief valve will be provided, and it does not need consumes energy, can be antifreeze effectively under the power failure situation.

The technical scheme that its technical problem that solves the utility model adopts is: it comprises water pipe, magnetic valve, controller, heat exchanger, water pump, expansion tank, burner, plate type heat exchanger, controller and magnetic valve, water pump electrically connects, expansion tank is contained on the heating return pipe in the water pipe, hot-water line in plate type heat exchanger and the water pipe, cold water inlet is communicated with, it also comprises antifreeze relief valve, described antifreeze relief valve comprises antifreeze relief tube, mobile, spring, sealing ring, end cap, mobile is by sealing ring and the sealing of antifreeze relief tube, end cap is provided with through hole, end cap is connected in the end of antifreeze relief tube, spring places in the antifreeze relief tube and between mobile and end cap, and antifreeze relief valve is communicated with water pipe by the water inlet of antifreeze relief tube.

Described sealing ring is fixed on the antifreeze relief tube.

Described sealing ring is fixed in the mobile.

Described end cap is by being threadedly connected to the end of antifreeze relief tube.

The corner of heating return pipe is equipped with antifreeze relief valve in the described water pipe.

Antifreeze relief valve is installed on the cold water inlet in the described water pipe.

The sectional area of described antifreeze relief tube is more than or equal to the sectional area of water pipe.

The sectional area of described antifreeze relief tube is less than the sectional area of water pipe.

Described antifreeze relief tube front end is provided with step, and water pipe is communicated with antifreeze relief tube by step.

The utility model is compared the beneficial effect that is produced with background technology:

1, because the utility model adopts antifreeze relief valve, antifreeze relief valve comprises antifreeze relief tube, mobile, spring, end cap, mobile is by sealing ring and the sealing of antifreeze relief tube, end cap is provided with through hole, end cap is connected in the end of antifreeze relief tube, and spring places in the antifreeze relief tube and between mobile and end cap, the structure that the water inlet of antifreeze relief valve by antifreeze relief tube is communicated with water pipe, so it does not need consumes energy, can be antifreeze effectively under the power failure situation.

Description of drawings: Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the annexation enlarged diagram of antifreeze relief valve 2 and water pipe 1 among Fig. 1.

Fig. 3 is the antifreeze relief valve 2 of another kind of structure among Fig. 1 and the annexation enlarged diagram of water pipe 1.

The specific embodiment: shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, present embodiment comprises water pipe 1, antifreeze relief valve 2, magnetic valve 13, controller 14, heat exchanger 15, smoke pipe 16, blower fan 17, gas ratio valve 18, water flow sensor 19, water pump 20, expansion tank 21, burner 22, plate type heat exchanger 23, and controller 14 electrically connects with magnetic valve 13, blower fan 17, gas ratio valve 18, water flow sensor 19, water pump 20.Expansion tank 21 is contained on the heating return pipe 11 in the water pipe 1, and plate type heat exchanger 23 is communicated with hot-water line 6, cold water inlet 5 in the water pipe 1.

Antifreeze relief valve 2 comprises antifreeze relief tube 4, mobile 7, spring 8, sealing ring 9, end cap 10, mobile 7 is by sealing ring 9 and antifreeze relief tube 4 sealings, end cap 10 is provided with through hole 12, end cap 10 is connected in the end of antifreeze relief tube 4, spring 8 places in the antifreeze relief tube 4 and between mobile 7 and end cap 10, and antifreeze relief valve 2 is communicated with water pipe 1 by the water inlet 3 of antifreeze relief tube 4.The quantity of sealing ring 9 can be more than one, as one, two, three, four etc.Antifreeze relief valve 2 can be installed in the corner of heating return pipe 11 in the water pipe 1, also can be installed in the water pipe 1 on the cold water inlet 5.

Sealing ring 9 can be fixed in the mobile 7, as shown in Figure 2, in the present embodiment, is fixed with a sealing ring 9 on each antifreeze relief tube 4.Sealing ring 9 also can be fixed on the antifreeze relief tube 4, as shown in Figure 3.

Antifreeze relief valve 2 is installed in antifreezing effect on the heating return pipe 11 and is better than antifreeze relief tube 4 and is installed on the cold water inlet 5, and a plurality of antifreeze relief valves 2 are installed in antifreezing effect on the heating return pipe 11 and are better than single antifreeze relief valve 2 and are installed on the heating return pipe 11.Antifreeze relief tube 4 can be respectively and heating return pipe 11, cold water inlet 5 global formations, and two to 12 antifreeze relief valves 2 can be installed on the water pipe 1.In the present embodiment, two antifreeze relief valves 2 are installed in respectively on the corner, cold water inlet 5 of heating return pipe 11, are with a sealing ring in the mobile 7.

Antifreeze relief tube 4 sectional areas can less than, be equal to or greater than the sectional area of water pipe 1, in antifreeze relief tube 4, expand behind the water freezing in the water pipe 1, when antifreeze relief tube 4 sectional areas during greater than the sectional area of water pipe 1, the effect of antifreeze pressure release is better, and antifreeze relief tube 4 sectional areas are greater than the sectional area of water pipe 1 in the present embodiment.

Burnt gas wall hanging furnace is when normal the use, the pressure of running water acts on the end face of mobile 7 in the antifreeze relief valve 2, the mobile 7 that promotes in the antifreeze relief valve 2 moves to end cap 10 directions, compression spring 8 reaches the dynamic balance on mobile 7 both sides, at this moment antifreeze relief valve 2 is in poised state, the space that also has enough mobiles 7 to move between mobile 7 and close end cap 10 in the antifreeze relief tube 4.

When environment temperature is low, water freezing in heating return pipe 11 in the water pipe 1, the cold water inlet 5 solidifies, volume becomes big behind the water freezing, promote mobile's 7 extrusion springs 8, and move to the direction of end cap 10, the through hole 12 of air in the antifreeze relief tube 4 from end cap 10 discharged, the part ice cube enters in the antifreeze relief tube 4, reduced after the water freezing volumetric expansion ice cube greatly to the pressure of water pipe in the water pipe 1, when avoiding environment temperature low in the burnt gas wall hanging furnace water pipe in the heat exchanger because of the water freezing spalling in managing.Antifreeze relief valve 2 does not need civil power, does not need user's manual operations draining valve to discharge water yet, so it does not need consumes energy, and can be antifreeze effectively under the power failure situation.Can be applicable to chimney flue type burnt gas wall hanging furnace, balanced type burnt gas wall hanging furnace.

Claims

1. burnt gas wall hanging furnace with antifreeze relief valve, it comprises water pipe (1), magnetic valve (13), controller (14), heat exchanger (15), water pump (20), expansion tank (21), burner (22), plate type heat exchanger (23), controller (14) and magnetic valve (13), water pump (20) electrically connects, expansion tank (21) is contained on the heating return pipe (11) in the water pipe (1), hot-water line (6) in plate type heat exchanger (23) and the water pipe (1), cold water inlet (5) is communicated with, it is characterized in that it also comprises antifreeze relief valve (2), described antifreeze relief valve (2) comprises antifreeze relief tube (4), mobile (7), spring (8), sealing ring (9), end cap (10), mobile (7) is by sealing ring (9) and antifreeze relief tube (4) sealing, end cap (10) is provided with through hole (12), end cap (10) is connected in the end of antifreeze relief tube (4), spring (8) places in the antifreeze relief tube (4) and is positioned between mobile (7) and the end cap (10), and antifreeze relief valve (2) is communicated with water pipe (1) by the water inlet (3) of antifreeze relief tube (4).

2. the burnt gas wall hanging furnace with antifreeze relief valve according to claim 1 is characterized in that described sealing ring (9) is fixed on the antifreeze relief tube (4).

3. the burnt gas wall hanging furnace with antifreeze relief valve according to claim 1 is characterized in that described sealing ring (9) is fixed in the mobile (7).

4. according to each described burnt gas wall hanging furnace of claim 1～3, it is characterized in that described end cap (10) is by being threadedly connected to the end of antifreeze relief tube (4) with antifreeze relief valve.

5. the burnt gas wall hanging furnace with antifreeze relief valve according to claim 4 is characterized in that the corner of heating return pipe (11) in the described water pipe (1) is equipped with antifreeze relief valve (2).

6. the burnt gas wall hanging furnace with antifreeze relief valve according to claim 4 is characterized in that on the cold water inlet (5) antifreeze relief valve (2) being installed in the described water pipe (1).

7. the burnt gas wall hanging furnace with antifreeze relief valve according to claim 5 is characterized in that on the cold water inlet (5) antifreeze relief valve (2) being installed in the described water pipe (1).

8. the burnt gas wall hanging furnace with antifreeze relief valve according to claim 6 is characterized in that the sectional area of the sectional area of described antifreeze relief tube (4) more than or equal to water pipe (1).

9. the burnt gas wall hanging furnace with antifreeze relief valve according to claim 6 is characterized in that the sectional area of the sectional area of described antifreeze relief tube (4) less than water pipe (1).

10. the burnt gas wall hanging furnace with antifreeze relief valve according to claim 8 is characterized in that described antifreeze relief tube (4) front end is provided with step (24), and water pipe (1) is communicated with antifreeze relief tube (2) by step (24).