CN210740370U

CN210740370U - Boiler waste heat recycling system

Info

Publication number: CN210740370U
Application number: CN201921460993.5U
Authority: CN
Inventors: 舒海峰
Original assignee: Hubei Jiechuang Electrical Technology Co ltd
Current assignee: Hubei Jiechuang Electrical Technology Co ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-06-12
Anticipated expiration: 2029-09-04

Abstract

The utility model relates to a boiler waste heat recovery utilizes technical field, concretely relates to boiler waste heat recycling system, include: the upper end and the lower end of the outer side wall of the boiler are respectively communicated with a water inlet pipe and a water outlet pipe, the water inlet pipe is provided with an electromagnetic valve, and the upper end of the outer side wall of the boiler is also provided with a controller and a water level sensor; the boiler cover is positioned at the top port of the boiler, a steam pipe is arranged on the top end surface of the boiler cover, and an air suction pump is arranged at the free end of the steam pipe; the heating pipe comprises a heating cavity and a steam lining cavity arranged on the side wall of the heating pipe, and a liquid inlet pipe communicated with the heating cavity is arranged at the top end of the heating pipe; the liquid storage tank is arranged below the heat exchanger, and a liquid guide pipe is communicated with the side wall of the liquid storage tank; the utility model discloses can enough carry out cycle recycle to the steam waste heat that the boiler produced, can realize again adding water to the boiler automatically, the practicality is strong.

Description

Boiler waste heat recycling system

Technical Field

The utility model relates to a boiler waste heat recovery utilizes technical field, concretely relates to boiler waste heat recycling system.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy. The boiler is a water container heated on fire, a furnace is a place where fuel is combusted, and the boiler comprises a boiler and a furnace. The boiler for supplying hot water is called a hot water boiler, is mainly used for life, and has a small amount of application in industrial production. The boiler for generating steam is called as a steam boiler, often called as a boiler for short, and is widely used for thermal power stations, ships, locomotives and industrial and mining enterprises. A large amount of steam is generated in the heating process of the boiler, and if the steam can be recovered and the waste heat can be recycled, a lot of resources can be saved, but the steam cannot be recovered and recycled in the prior art, so the boiler in the prior art needs to be improved to collect and recycle the steam generated in the heating process.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

To the above-mentioned shortcoming that prior art exists, the utility model provides a boiler waste heat cycle recycle system can solve prior art's boiler effectively and can not carry out the problem of cycle recycle to the steam that produces in the heating process.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a boiler waste heat recycling system comprising:

the water level sensor comprises a boiler, wherein the upper end and the lower end of the outer side wall of the boiler are respectively communicated with a water inlet pipe and a water outlet pipe, the water inlet pipe is provided with an electromagnetic valve, the type of the electromagnetic valve is preferably 2W-250-25 series, the upper end of the outer side wall of the boiler is also provided with a controller and a water level sensor, the type of the controller is preferably an STM7 series single chip microcomputer controller, and the type of the water level sensor is preferably a WL705-003 type water level sensor;

the boiler cover is positioned at the top port of the boiler, a steam pipe is arranged on the top end surface of the boiler cover, and an air suction pump is arranged at the free end of the steam pipe;

the heating pipe comprises a heating cavity and a steam lining cavity formed in the side wall of the heating pipe, and a liquid inlet pipe communicated with the heating cavity is arranged at the top end of the heating pipe;

the liquid storage box is installed below the heat exchanger, a liquid guide pipe is communicated with the side wall of the liquid storage box, the other end of the liquid guide pipe is communicated with the bottom end of the heating pipe, a return pipe is communicated with the right side wall of the liquid storage box, the other end of the return pipe is connected with a liquid pump, the outlet end of the liquid pump is communicated with the liquid inlet pipe through a guide pipe, and the bottom end of the side wall of the liquid storage box is communicated with a liquid outlet pipe.

Furthermore, the water level sensor is connected with the input end of the controller, and the electromagnetic valve is connected with the output end of the controller.

Furthermore, a display screen is mounted on the outer side wall of the boiler, the type of the display screen is preferably an LED nixie tube display screen, and the display screen is connected with the controller through a display driving circuit.

Furthermore, the output end of the air suction pump is communicated with the steam lining cavity.

Furthermore, the water inlet pipe, the water outlet pipe, the liquid inlet pipe, the liquid guide pipe and the guide pipe are all provided with switch valves, the switch valves are preferably manual switch valves, and the types of the switch valves are respectively matched with the corresponding pipe bodies.

Furthermore, a ventilation pipe communicated with the steam lining cavity is arranged on the heating pipe, and a switch valve is arranged on the ventilation pipe.

Advantageous effects

Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:

1. the utility model discloses an increase steam pipe, heat exchanger, heating pipe, heating chamber, steam inside lining chamber and liquid reserve tank design, carry the steam that produces in the boiler through the steam pipe and heat the liquid that heats the intracavity in the steam inside lining chamber to can circulate the steam waste heat that produces in the boiler and recycle.

2. The utility model discloses an increase the design of level sensor, controller, solenoid valve and display screen, signal transmission through level sensor with the boiler water level in gives the controller, through the switch of controller control solenoid valve to can add water to the boiler automatically, the display screen can carry out digital display to data.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a front perspective schematic view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic front view of the cross-section of the present invention;

the reference numerals in the drawings denote: 1-a boiler; 2-water inlet pipe; 3-water outlet pipe; 4-an electromagnetic valve; 5-a controller; 6-a water level sensor; 7-boiler cover; 8-steam pipe; 9-an air pump; 10-a heat exchanger; 11-heating tube; 12-a heating chamber; 13-a steam lining cavity; 14-a liquid inlet pipe; 15-a liquid storage tank; 16-a catheter; 17-a return pipe; 18-a liquid pump; 19-a catheter; 20-a liquid outlet pipe; 21-a display screen; 22-a switch valve; 23-ventilation tube.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Examples

The waste heat recycling system of the boiler of the present embodiment, referring to fig. 1 to 3, includes:

the upper end and the lower end of the outer side wall of the boiler 1 are respectively communicated with a water inlet pipe 2 and a water outlet pipe 3, the water inlet pipe 2 is provided with an electromagnetic valve 4, and the upper end of the outer side wall of the boiler 1 is also provided with a controller 5 and a water level sensor 6;

the boiler cover 7 is positioned at the top port of the boiler 1, a steam pipe 8 is arranged on the top end surface of the boiler cover 7, and an air extracting pump 9 is arranged at the free end of the steam pipe 8;

the heat exchanger 10 is positioned at one side of the boiler 1, a heating pipe 11 is arranged in the heat exchanger 10, the heating pipe 11 comprises a heating cavity 12 and a steam lining cavity 13 arranged on the side wall of the heating pipe 11, and a liquid inlet pipe 14 communicated with the heating cavity 12 is arranged at the top end of the heating pipe 11;

the liquid storage box 15 is arranged below the heat exchanger 10, a liquid guide pipe 16 is communicated with the side wall of the liquid storage box 15, the other end of the liquid guide pipe 16 is communicated with the bottom end of the heating pipe 11, a return pipe 17 is communicated with the right side wall of the liquid storage box 15, the other end of the return pipe 17 is connected with a liquid pump 18, the outlet end of the liquid pump 18 is communicated with the liquid inlet pipe 14 through a guide pipe 19, and the bottom end of the side wall of the liquid storage box 15 is communicated with a liquid outlet pipe 20.

Wherein, the water level sensor 6 is connected with the input end of the controller 5, and the electromagnetic valve 4 is connected with the output end of the controller 5; the outer side wall of the boiler 1 is provided with a display screen 21, and the display screen 21 is connected with the controller 5 through a display driving circuit; the output end of the air pump 9 is communicated with the steam lining cavity 13; the water inlet pipe 2, the water outlet pipe 3, the liquid inlet pipe 14, the liquid guide pipe 16 and the guide pipe 19 are all provided with a switch valve 22; the heating pipe 11 is provided with a ventilation pipe 23 communicated with the steam lining cavity 13.

During the use, close earlier the ooff valve 22 on the outlet pipe 3, then communicate inlet tube 2 with the pipeline of tap or water guide, add the water that needs to carry out the heating again in boiler 1, and make boiler 1 heat the water in its inner chamber, accessible outlet pipe 3 derives hot water from boiler 1 after the hot water heating to the uniform temperature, level sensor 6 can give controller 5 with the signal transmission of boiler 1 internal water level this moment, switch through controller 5 control solenoid valve 4, when the water level is less than the water level height that sets up in advance, controller 5 control solenoid valve 4 opens, lead in boiler 1 through inlet tube 2 with water, thereby carry out the supply to the water in the boiler 1, can add water in the boiler 1 automatically.

In the heating process of the boiler 1, the power supply of the air extracting pump 9 is switched on, the air extracting pump 9 extracts the steam formed in the inner cavity of the boiler 1 through the steam pipe 8 and guides the steam into the steam lining cavity 13, then, domestic or production water is introduced into the heating cavity 12 through the liquid inlet pipe 14, and the heating cavity 12 is heated through the residual heat of the steam in the steam lining cavity 13, at this time, the switch valve 22 on the liquid guide tube 16 is in an open state, the heated water in the heating chamber 12 flows into the liquid storage tank 15 through the liquid guide tube 16 for storage, if the temperature of the water in the liquid storage tank 15 is not high enough, the water needs to be heated continuously, the power supply of the liquid pump 18 can be switched on, so that the liquid pump 18 pumps the water in the liquid storage tank 15 out through the guide pipe 19 to lead the water to the top end of the heating cavity 12 again, the water is heated through the heating cavity 12 again, and the steps are repeated, so that the water in the liquid storage tank 15 can be heated in a circulating manner; after the steam in the steam lining cavity 13 is liquefied, the steam can flow out through the ventilation pipe 23, so that the steam in the steam lining cavity 13 can form a cycle, and the phenomenon that the air pressure in the steam lining cavity 13 is too high or the water formed by the steam liquefaction is too much is prevented. The utility model discloses can enough carry out cycle recycle to the steam waste heat that the boiler produced, can add water to the boiler automatically again, the practicality is strong.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A boiler waste heat recycling system, comprising:

the water level control device comprises a boiler (1), wherein the upper end and the lower end of the outer side wall of the boiler are respectively communicated with a water inlet pipe (2) and a water outlet pipe (3), an electromagnetic valve (4) is installed on the water inlet pipe (2), and a controller (5) and a water level sensor (6) are also installed at the upper end of the outer side wall of the boiler (1);

the boiler cover (7) is positioned at the top port of the boiler (1), a steam pipe (8) is arranged on the top end surface of the boiler cover (7), and an air suction pump (9) is installed at the free end of the steam pipe (8);

the boiler comprises a heat exchanger (10) and a steam heating pipe (11) arranged in the heat exchanger (10), wherein the heat exchanger (10) is positioned on one side of the boiler (1), the steam heating pipe (11) comprises a heating cavity (12) and a steam lining cavity (13) arranged on the side wall of the heating pipe (11), and a liquid inlet pipe (14) communicated with the heating cavity (12) is arranged at the top end of the heating pipe (11);

liquid reserve tank (15), install in the below of heat exchanger (10), the intercommunication has catheter (16) on the lateral wall of liquid reserve tank (15), and the other end of catheter (16) communicates with each other with the bottom of heating pipe (11), the intercommunication has back flow (17) on the right side wall of liquid reserve tank (15), the other end of back flow (17) is connected with drawing liquid pump (18), and the exit end of drawing liquid pump (18) communicates with each other with feed liquor pipe (14) through pipe (19), the bottom intercommunication of liquid reserve tank (15) lateral wall has drain pipe (20).

2. The boiler waste heat recycling system according to claim 1, characterized in that the water level sensor (6) is connected with the input end of the controller (5), and the electromagnetic valve (4) is connected with the output end of the controller (5).

3. The boiler waste heat recycling system according to claim 1, characterized in that a display screen (21) is installed on the outer side wall of the boiler (1), and the display screen (21) is connected with the controller (5) through a display driving circuit.

4. The boiler waste heat recycling system according to claim 1, characterized in that the output end of the suction pump (9) is communicated with the steam lining cavity (13).

5. The boiler waste heat recycling system according to claim 1, characterized in that the inlet pipe (2), the outlet pipe (3), the inlet pipe (14), the liquid guide pipe (16) and the guide pipe (19) are all provided with a switch valve (22).

6. The boiler waste heat recycling system according to claim 1, wherein the heating pipe (11) is provided with a ventilation pipe (23) communicated with the steam lining cavity (13).