CN214581185U

CN214581185U - High-efficient waste heat recovery of thermal power plant utilizes device

Info

Publication number: CN214581185U
Application number: CN202120110887.5U
Authority: CN
Inventors: 鲁海军
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-11-02
Anticipated expiration: 2031-01-15

Abstract

The utility model discloses a high-efficient waste heat recovery utilizes device of thermal power plant, the power distribution box comprises a box body, the interior diapire fixedly connected with basin of box, the interior diapire of basin is provided with the water pump, the output fixedly connected with circulating pipe of water pump, the one end and the basin intercommunication of water pump are kept away from to the circulating pipe, the right side wall of box runs through and is provided with the drain pipe, the inside of drain pipe is provided with the second control valve, the left end and the circulating pipe intercommunication of drain pipe, the right side wall of basin runs through and is provided with the water change pipe, the water change pipe runs through the box outwards, the inside of water change pipe is provided with the suction pump, the lateral wall of water change pipe is provided with the third control valve, the interior roof of box is provided with baroceptor, the upper surface middle part fixedly connected with warning light of box, warning light and baroceptor electric connection. The utility model discloses in, can carry out recycle to the heat, and avoid causing thermal loss.

Description

High-efficient waste heat recovery of thermal power plant utilizes device

Technical Field

The utility model relates to a thermal power plant field especially relates to a high-efficient waste heat recovery of thermal power plant utilizes device.

Background

A thermal power plant, called thermal power plant for short, is a plant for producing electric energy by using coal, petroleum and natural gas as fuels, and the basic production process is as follows: the fuel is burnt in the boiler to heat water into steam, chemical energy of the fuel is converted into heat energy, the steam pressure pushes the steam turbine to rotate, the heat energy is converted into mechanical energy, and then the steam turbine drives the generator to rotate, and the mechanical energy is converted into electric energy.

Thermal power plant often can produce a large amount of heats at the electricity generation in-process, and these heats partly can not obtain complete utilization, can be discharged directly and go, have danger promptly like this, cause the loss of heat resource simultaneously, and these heats have considerable recycle value, if can not obtain effective utilization will cause a large amount of energy extravagant, so need the high-efficient waste heat recovery of thermal power plant device that can solve above problem now.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-efficiency waste heat recycling device for a thermal power plant.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-efficiency waste heat recycling device for a thermal power plant comprises a box body, wherein a water tank is fixedly connected to the inner bottom wall of the box body, a water pump is arranged on the inner bottom wall of the water tank, a circulating pipe is fixedly connected to the output end of the water pump, one end, far away from the water pump, of the circulating pipe is communicated with the water tank, a water discharging pipe penetrates through the right side wall of the box body, a second control valve is arranged inside the water discharging pipe, the left end of the water discharging pipe is communicated with the circulating pipe, a water changing pipe penetrates through the right side wall of the water tank and is arranged outwards, a suction pump is arranged inside the water changing pipe, and a third control valve is arranged on the side wall of the water changing pipe;

the interior roof of box is provided with baroceptor, the upper surface middle part fixedly connected with warning light of box, warning light and baroceptor electric connection.

As a further description of the above technical solution:

the left side wall of box runs through and is provided with the breather pipe, the inside of breather pipe is provided with the fan, the breather pipe extends to the box inside and its right-hand member is provided with the blow vent.

As a further description of the above technical solution:

the side wall of the circulating pipe is fixedly connected with a fixing buckle, and the circulating pipe is fixedly connected with the inner wall of the box body through the fixing buckle.

As a further description of the above technical solution:

and a temperature sensor is arranged on the inner top wall of the water tank.

As a further description of the above technical solution:

and an air valve is arranged on one side of the inner top wall of the box body.

As a further description of the above technical solution:

the tail end of the circulating pipe is provided with a first control valve.

As a further description of the above technical solution:

and the inner wall of the box body is provided with a heat insulation material.

As a further description of the above technical solution:

the surface of box is provided with the observation window, the surface of box and the below that is located the observation window are provided with control panel.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this high-efficient waste heat recovery utilizes device of thermal power plant is provided with basin, water pump and circulating pipe, through the effect of water pump, realizes that water is heated in the circulating pipe circulation, absorbs the heat, and the circulating pipe is "W" form, and increase area of contact for thermal absorption and conversion.

2. Compared with the prior art, this high-efficient waste heat recovery of thermal power plant utilizes device through being provided with baroceptor, warning light and pneumatic valve, and when the box was heated for a long time, its inside pressure can increase, and when baroceptor detected the hazardous value, the warning light sent out the alarm sound, reminded the staff and looked over, carries out certain taking a breath through opening the pneumatic valve to guarantee safety.

3. Compared with the prior art, this high-efficient waste heat recovery of thermal power plant utilizes device through being provided with temperature sensor and drain pipe, and when the water in the basin reached the uniform temperature, through opening the second control valve, close first control valve, treat follow-up utilization with the water discharge, after, the effect of rethread suction pump, the cooperation is traded the water pipe and is added water, cyclic operation.

Drawings

Fig. 1 is a subjective perspective view of a high-efficiency waste heat recovery and utilization device of a thermal power plant provided by the utility model;

fig. 2 is a schematic diagram of an internal structure of a high-efficiency waste heat recycling device of a thermal power plant provided by the utility model;

fig. 3 is a schematic structural diagram of a box body of a high-efficiency waste heat recycling device of a thermal power plant provided by the utility model;

fig. 4 is the utility model provides a high-efficient waste heat recovery utilizes device's of thermal power plant elevation view.

Illustration of the drawings:

1. a box body; 101. a thermal insulation material; 2. a breather pipe; 3. a fan; 4. a vent; 5. a water tank; 6. a water pump; 7. a circulation pipe; 8. a fixing buckle; 9. a drain pipe; 10. a first control valve; 11. a second control valve; 12. changing a water pipe; 13. a third control valve; 14. pumping; 15. a temperature sensor; 16. an air pressure sensor; 17. an alarm light; 18. an air valve; 19. an observation window; 20. a control panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a high-efficiency waste heat recycling device of a thermal power plant comprises a box body 1, a heat insulating material 101 is arranged on the inner wall of the box body 1, the heat insulating material 101 can enhance heat insulating property and prevent heat loss, a vent pipe 2 is arranged on the left side wall of the box body 1 in a penetrating mode, a fan 3 is arranged inside the vent pipe 2, the vent pipe 2 extends into the box body 1, a vent hole 4 is formed in the right end of the vent pipe 2 and used for heat entering, a water tank 5 is fixedly connected to the inner bottom wall of the box body 1, a temperature sensor 15 is arranged on the inner top wall of the water tank 5 and used for detecting the temperature of water in the water tank 5, a water pump 6 is arranged on the inner bottom wall of the water tank 5, a circulating pipe 7 is fixedly connected to the output end of the water pump 6, the circulating pipe 7 is W-shaped, a fixing buckle 8 is fixedly connected to the side wall of the circulating pipe 7, the circulating pipe 7 is fixedly connected with the inner wall of the box body 1 through the fixing buckle 8 and enhances the fixing property, and one end, far away from the water pump 6, is communicated with the water tank 5, circularly heated, and the tail end of the circulating pipe 7 is provided with a first control valve 10;

a drain pipe 9 is arranged on the right side wall of the box body 1 in a penetrating manner, a second control valve 11 is arranged inside the drain pipe 9, the left end of the drain pipe 9 is communicated with a circulating pipe 7 and used for discharging heated water, a water changing pipe 12 is arranged on the right side wall of the water tank 5 in a penetrating manner, the water changing pipe 12 penetrates through the box body 1 outwards, a pump 14 is arranged inside the water changing pipe 12, and a third control valve 13 is arranged on the side wall of the water changing pipe 12 and used for changing water, carrying out secondary heating and recycling heating;

an air pressure sensor 16 is arranged on the inner top wall of the box body 1, an alarm lamp 17 is fixedly connected to the middle of the upper surface of the box body 1, the alarm lamp 17 is electrically connected with the air pressure sensor 16, an air valve 18 is arranged on one side of the inner top wall of the box body 1, when the air valve 16 detects a dangerous value, the alarm lamp 17 gives out an alarm sound to remind a worker to check the dangerous value, and the air valve 18 is opened to perform certain ventilation so as to ensure safety;

an observation window 19 is arranged on the outer surface of the box body 1, and a control panel 20 is arranged on the outer surface of the box body 1 and below the observation window 19 and used for controlling the operation of the whole device.

The working principle is as follows: this high-efficient waste heat recovery of thermal power plant utilizes device, in using, effect through 2 cooperation fans 3 of breather pipe, let in steam to the inside of box 1, at this moment, effect through water pump 6, it is heated to realize that water circulates in circulating pipe 7, the heat absorption, when temperature sensor 15 detects the water in basin 5 and reaches the uniform temperature, through opening second control valve 11, close first control valve 10, treat follow-up utilization with the water discharge, after, rethread suction pump 14's effect, the cooperation is traded water pipe 12 and is added water in to basin 5, the circulation operation, wherein, when baroceptor 16 detects the danger value, warning light 17 sends the alarm sound, remind the staff to look over, carry out certain taking a breath through opening pneumatic valve 18, in order to guarantee safety.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a high-efficient waste heat recovery utilizes device of thermal power plant, includes box (1), its characterized in that: the water tank is characterized in that a water tank (5) is fixedly connected to the inner bottom wall of the tank body (1), a water pump (6) is arranged on the inner bottom wall of the water tank (5), a circulating pipe (7) is fixedly connected to the output end of the water pump (6), one end, far away from the water pump (6), of the circulating pipe (7) is communicated with the water tank (5), a drain pipe (9) penetrates through the right side wall of the tank body (1), a second control valve (11) is arranged inside the drain pipe (9), the left end of the drain pipe (9) is communicated with the circulating pipe (7), a water changing pipe (12) penetrates through the right side wall of the water tank (5), the water changing pipe (12) penetrates through the tank body (1) outwards, a suction pump (14) is arranged inside the water changing pipe (12), and a third control valve (13) is arranged on the side wall of the water changing pipe (12);

the interior roof of box (1) is provided with baroceptor (16), the upper surface middle part fixedly connected with warning light (17) of box (1), warning light (17) and baroceptor (16) electric connection.

2. The efficient waste heat recovery and utilization device of the thermal power plant as claimed in claim 1, wherein: the left side wall of box (1) runs through and is provided with breather pipe (2), the inside of breather pipe (2) is provided with fan (3), breather pipe (2) extend to box (1) inside and its right-hand member are provided with blow vent (4).

3. The efficient waste heat recovery and utilization device of the thermal power plant as claimed in claim 1, wherein: the side wall of the circulating pipe (7) is fixedly connected with a fixing buckle (8), and the circulating pipe (7) is fixedly connected with the inner wall of the box body (1) through the fixing buckle (8).

4. The efficient waste heat recovery and utilization device of the thermal power plant as claimed in claim 1, wherein: and a temperature sensor (15) is arranged on the inner top wall of the water tank (5).

5. The efficient waste heat recovery and utilization device of the thermal power plant as claimed in claim 1, wherein: an air valve (18) is arranged on one side of the inner top wall of the box body (1).

6. The efficient waste heat recovery and utilization device of the thermal power plant as claimed in claim 1, wherein: the tail end of the circulating pipe (7) is provided with a first control valve (10).

7. The efficient waste heat recovery and utilization device of the thermal power plant as claimed in claim 1, wherein: the inner wall of the box body (1) is provided with a heat insulation material (101).

8. The efficient waste heat recovery and utilization device of the thermal power plant as claimed in claim 1, wherein: the surface of box (1) is provided with observation window (19), the surface of box (1) just is located the below of observation window (19) and is provided with control panel (20).