An explosion-proof tube device and energy-saving equipment

Abstract

The application discloses an explosion-proof pipe device and an energy-saving equipment, and belongs to the technical field of energy-saving equipment. The explosion-proof pipe device is characterized in that a first smoke outlet of a first three-way valve is communicated with an inlet smoke pipe, a second smoke outlet is communicated with an outlet smoke pipe; a flow detector is fixedly connected to the inlet water pipe; a first water outlet of a second three-way valve is communicated with the inlet water pipe, and a second water outlet is communicated with an outlet water pipe; a controller is in communication connection with the first three-way valve, the flow detector and the second three-way valve, so that when the flow detector detects that the heat exchange water flow is too low, the heat exchange in the heat exchange box is suspended, and dry burning of the heat exchange pipe in the heat exchange box is prevented to avoid explosion. The energy-saving equipment applies the explosion-proof pipe device to an energy-saving device, heat exchange between tail gas and heat exchange water in the heat exchange box is carried out to recover heat contained in the tail gas, and dry burning of the heat exchange pipe of the energy-saving device is prevented to avoid explosion.

Claims

1. An explosion-proof pipe device connected to an energy-saving device (100), the energy-saving device (100) comprising a heat exchange box and an inlet pipe (101), an outlet pipe (102), a water inlet pipe (103), and a water outlet pipe (104) respectively connected to the heat exchange box, characterized in that, The explosion-proof pipe device includes: The first three-way valve (1) includes a smoke inlet (11), a first smoke outlet (12) and a second smoke outlet (13), wherein the first smoke outlet (12) is connected to the smoke inlet pipe (101) and the second smoke outlet (13) is connected to the smoke outlet pipe (102); A flow detector (2) is fixedly connected to the water inlet pipe (103); The second three-way valve (3) includes a first inlet (31), a first outlet (32), and a second outlet (33). The first outlet (32) is connected to the inlet pipe (103), and the second outlet (33) is connected to the outlet pipe (104). The controller is communicatively connected to the first three-way valve (1), the flow detector (2) and the second three-way valve (3), respectively. The controller can control the smoke inlet (11) to selectively connect to the first smoke outlet (12) or the second smoke outlet (13), and the controller can control the first water inlet (31) to selectively connect to the first water outlet (32) or the second water outlet (33).

2. The explosion-proof pipe device according to claim 1, characterized in that, The explosion-proof pipe device also includes a temperature controller (4) that is in communication with the boiler. The temperature controller (4) is fixedly connected to the water outlet pipe (104). The temperature controller (4) is used to detect the temperature inside the water outlet pipe (104) and can shut down the boiler.

3. The explosion-proof pipe device according to claim 1, characterized in that, The explosion-proof pipe device also includes a first temperature detector (5) that is communicatively connected to the controller. The first temperature detector (5) is fixedly connected to the water outlet pipe (104) and located at the water outlet end of the water outlet pipe (104).

4. The explosion-proof pipe device according to claim 1, characterized in that, The explosion-proof pipe device also includes a second temperature detector (6) that is communicatively connected to the controller. The second temperature detector (6) is fixedly connected to the water outlet pipe (104) and located at the connection point between the heat exchange box and the water outlet pipe (104).

5. The explosion-proof pipe device according to claim 1, characterized in that, The explosion-proof pipe device also includes a drain shut-off valve (71) that is communicatively connected to the controller, and the drain shut-off valve (71) is fixedly connected to the water inlet pipe (103).

6. The explosion-proof pipe device according to claim 1, characterized in that, The explosion-proof pipe device also includes a safety valve (72), which is fixedly connected to the water inlet pipe (103).

7. The explosion-proof pipe device according to claim 6, characterized in that, The safety valve (72) includes a second inlet (721) and a third outlet (722). The second inlet (721) is connected to the inlet pipe (103), and the third outlet (722) is connected to the outside.

8. The explosion-proof pipe device according to claim 6, characterized in that, The explosion-proof pipe device also includes a first shut-off valve (73), which is fixedly connected to the water inlet pipe (103) and located between the first water outlet (32) and the safety valve (72).

9. The explosion-proof pipe device according to any one of claims 1-8, characterized in that, The explosion-proof pipe device also includes a pressure detector (8) that is communicatively connected to the controller. The pressure detector (8) is fixedly connected to the inlet pipe (103) or the outlet pipe (104).

10. An energy-saving device, characterized in that, Includes the explosion-proof pipe device as described in any one of claims 1-9 and the energy-saving device (100), wherein the first smoke exhaust port (12) is connected to the smoke inlet pipe (101), the second smoke exhaust port (13) is connected to the smoke exhaust pipe (102), the first water outlet (32) is connected to the water inlet pipe (103), and the second water outlet (33) is connected to the water outlet pipe (104).

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