CN216347058U

CN216347058U - Boiler system with self-adaptive variable-load operation energy-saving function

Info

Publication number: CN216347058U
Application number: CN202122898724.0U
Authority: CN
Inventors: 刘宏奇
Original assignee: Degong Energy Saving System Engineering Tianjin Co ltd
Current assignee: Degong Energy Saving System Engineering Tianjin Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-19
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a boiler system with a self-adaptive variable load operation energy-saving function, which comprises a boiler body, wherein a temperature detection sensor and a high liquid level detection sensor are arranged on the inner side wall of the boiler body, a flue gas heat exchange tube is vertically arranged in the boiler body, a desulfurization wastewater heat exchange tube is transversely arranged in the boiler body, a desulfurization wastewater inlet tube is arranged at the lower end of one side of the desulfurization wastewater heat exchange tube, two parts of the desulfurization wastewater heat exchange tube, which are arranged on the outer side of the boiler body, are connected with a circulating water tube, a water delivery tube is arranged at the right lower end in the boiler body, a first three-way tube is arranged at an outer side port on the water delivery tube, a drain tube and a water feeding tube are respectively sleeved on the rest two ports on the first three-way tube, and a temporary water storage tank is arranged at the other side end of the drain tube and the water feeding tube. The utility model has reasonable integral design, realizes self-adaptive variable load operation, accords with the concept of environmental protection and energy conservation, and has the advantages of good use effect and the like.

Description

Boiler system with self-adaptive variable-load operation energy-saving function

Technical Field

The utility model relates to the technical field of boiler systems, in particular to a boiler system with a self-adaptive variable-load operation energy-saving function.

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 comprises a boiler and a furnace. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people's life, is mainly used for life, and has a small amount of application in industrial production.

However, how to guarantee that the utility boiler operates under variable load and how to reduce the heat loss of the boiler to the maximum extent by the existing boiler system is a problem that needs to be solved urgently by the current environmental protection enterprises and power plant use units, and therefore, a boiler system with a self-adaptive variable load operation energy-saving function is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a boiler system with a self-adaptive variable-load operation energy-saving function, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a boiler system with a self-adaptive variable load operation energy-saving function comprises a boiler body, wherein a temperature detection sensor and a high liquid level detection sensor are arranged on the inner side wall of the boiler body, a temperature controller and a liquid level controller are respectively and electrically connected to the temperature detection sensor and the high liquid level detection sensor, a flue gas heat exchange tube is vertically arranged in the boiler body, a desulfurization waste water heat exchange tube is transversely arranged in the boiler body, a flue gas inlet is arranged at the lower end of the flue gas heat exchange tube, a flue gas outlet is arranged at the upper end of the flue gas heat exchange tube, a desulfurization waste water inlet tube is arranged at the lower end of one side of the desulfurization waste water heat exchange tube, a circulating water pipe is connected and arranged on the two parts of the desulfurization waste water heat exchange tube, which are arranged on the outer side of the boiler body, a circulating water pump is arranged on the circulating water pipe, a water conveying pipe is arranged at the lower right end in the boiler body, and a first three-way pipe is arranged at an outer side port on the water conveying pipe, and a drain pipe and a water adding pipe are respectively sleeved at the rest two ports of the first three-way pipe, a water adding pump is arranged on the water adding pipe, and a temporary storage water tank is arranged at the other side end of the drain pipe and the water adding pipe.

Preferably, a second three-way pipe is arranged at the joint of the desulfurization waste water heat exchange pipe and the circulating water pipe, a first electromagnetic valve is arranged on the desulfurization waste water heat exchange pipe and on the outer side of the second three-way pipe, and a third three-way pipe is arranged on the desulfurization waste water heat exchange pipe and on the inner side of the second three-way pipe and connected with the desulfurization waste water inlet pipe.

Preferably, the drain pipe is provided with a second electromagnetic valve.

Preferably, a third electromagnetic valve is arranged on the water adding pipe.

Preferably, the output ends of the temperature controller and the liquid level controller are electrically connected with the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the water adding pump and the circulating water pump.

Preferably, the flue gas outlet is provided with a flue gas desulfurization treatment box.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the temperature is low, a signal can be sent to the temperature controller, then a signal is sent to the second electromagnetic valve arranged on the water delivery pipe connected with the drain pipe through the first three-way pipe so as to discharge the hot water quantity in the boiler body to the temporary storage water tank, the heating load is reduced, then the temperature of the hot water with the residual quantity in the boiler body is raised to a critical value, the signal is sent to the temperature controller again, then the signal is sent to the second electromagnetic valve to turn off the second electromagnetic valve to open the third electromagnetic valve and switch on the water feeding pump power supply, and quantitative hot water is pumped from the temporary storage water tank until the high liquid level detection sensor detects a liquid level signal, the secondary water injection is stopped, and then the heating is continued, the practicability is strong;

2. the desulfurization waste water heat exchange tube and the flue gas heat exchange tube are arranged at the same time, so that the desulfurization waste water and the flue gas generated during combustion of the boiler body can be directly introduced, the waste heat of the desulfurization waste water and the flue gas is fully utilized, and the environment-friendly concept of energy conservation is met.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a block diagram of the system module connections of the present invention.

In the figure: 1. a boiler body; 2. a temperature detection sensor; 3. a high liquid level detection sensor; 4. a temperature controller; 5. a liquid level controller; 6. a flue gas heat exchange pipe; 7. a desulfurization waste water heat exchange pipe; 8. a flue gas inlet; 9. a flue gas outlet; 10. a desulfurization waste water inlet pipe; 11. a circulating water pipe; 12. a water circulating pump; 13. a water delivery pipe; 14. a first three-way pipe; 15. a drain pipe; 16. a water feeding pipe; 17. adding a water pump; 18. temporarily storing a water tank; 19. a second three-way pipe; 20. a first solenoid valve; 21. a third three-way pipe; 22. a second solenoid valve; 23. a third electromagnetic valve; 24. flue gas desulfurization treatment box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a boiler system with a self-adaptive variable load operation energy-saving function comprises a boiler body 1, wherein a temperature detection sensor 2 and a high liquid level detection sensor 3 are installed on the inner side wall of the boiler body 1, the temperature detection sensor 2 and the high liquid level detection sensor 3 are respectively and electrically connected with a temperature controller 4 and a liquid level controller 5, a flue gas heat exchange tube 6 is vertically installed in the boiler body 1, a desulfurization waste water heat exchange tube 7 is transversely installed in the boiler body 1, a flue gas inlet 8 is installed at the lower end of the flue gas heat exchange tube 6, a flue gas outlet 9 is installed at the upper end of the flue gas heat exchange tube 6, a desulfurization inlet tube waste water 10 is installed at the lower end of one side of the desulfurization waste water heat exchange tube 7, a circulating water pipe 11 is connected and installed at two parts of the outer side of the boiler body 1 on the desulfurization waste water heat exchange tube 7, a circulating water pump 12 is installed on the circulating water pipe 11, and a water delivery pipe 13 is installed at the lower right end in the boiler body 1, a first three-way pipe 14 is arranged at an outer side end port on the water conveying pipe 13, a drain pipe 15 and a water adding pipe 16 are respectively sleeved and arranged at the rest two end ports on the first three-way pipe 14, a water adding pump 17 is arranged on the water adding pipe 16, and a temporary storage water tank 18 is arranged at the other side ends of the drain pipe 15 and the water adding pipe 16.

A second three-way pipe 19 is arranged at the joint of the desulfurization waste water heat exchange pipe 7 and the circulating water pipe 11, a first electromagnetic valve 20 is arranged on the desulfurization waste water heat exchange pipe 7 and on the outer side of the second three-way pipe 19, and a third three-way pipe 21 is arranged on the desulfurization waste water heat exchange pipe 7 and on the inner side of the second three-way pipe 19 and connected with the desulfurization waste water inlet pipe 10; the drain pipe 15 is provided with a second electromagnetic valve 22; a third electromagnetic valve 23 is arranged on the water feeding pipe 16; the output ends of the temperature controller 4 and the liquid level controller 5 are electrically connected with the first electromagnetic valve 20, the second electromagnetic valve 22, the third electromagnetic valve 23, the water adding pump 17 and the circulating water pump 12; the flue gas outlet 9 is provided with a flue gas desulfurization treatment box 24.

The working principle is as follows: when the utility model is used, the temperature detecting sensor 2 arranged in the boiler body 1 can detect the temperature change of the heated hot water in the boiler body 1 in real time, when the temperature of the hot water is lower, the temperature detecting sensor can send a signal to the temperature controller 4, then the signal is sent to the second electromagnetic valve 22 arranged on the water delivery pipe 13 and connected with the water discharge pipe 15 through the first three-way pipe 14, the hot water in the boiler body 1 is discharged to the temporary storage water tank 18, the heating load is reduced, then the power of the circulating water pump 12 is switched on when the boiler body 1 is used for combustion heating, the desulfurization waste water is led into the desulfurization waste water heat exchange pipe 7 and the flue gas is led into the flue gas heat exchange pipe 6, the residual heat of the flue gas and the desulfurization waste water is used for heating the residual water in the boiler body 1, the circulating water pump 12 arranged on the circulating water pipe 11 at the moment, the desulfurization waste water can be pumped into for many times in a circulating manner, the residual heat of the desulfurization waste water is further used, and the flue gas desulfurization treatment box 24 is arranged at the flue gas outlet 9, the discharged flue gas can be discharged after desulfurization treatment, the environment-friendly and energy-saving concept is met, when the temperature of hot water heated in the boiler body 1 rises to a critical value, a signal is also sent to the temperature controller 4, then a signal is sent to close the second electromagnetic valve 22, the third electromagnetic valve 23 is opened, the power supply of the water adding pump 17 is connected, quantitative hot water is pumped from the temporary storage water tank 18 until the high liquid level detection sensor 3 detects a liquid level signal, then the third electromagnetic valve 23 is closed and the power supply of the water adding pump 17 is disconnected by sending a signal through the liquid level controller 5, secondary water injection is stopped, and then the flue gas and the desulfurization wastewater with waste heat are introduced from the flue gas heat exchange tube 6 and the desulfurization wastewater heat exchange tube 7 again for auxiliary heating.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a boiler system with energy-conserving function of self-adaptation variable load operation, includes boiler body (1), its characterized in that: the boiler is characterized in that a temperature detection sensor (2) and a high liquid level detection sensor (3) are arranged on the inner side wall of the boiler body (1), the temperature detection sensor (2) and the high liquid level detection sensor (3) are respectively and electrically connected with a temperature controller (4) and a liquid level controller (5), a flue gas heat exchange tube (6) is vertically arranged in the boiler body (1), a desulfurization waste water heat exchange tube (7) is transversely arranged in the boiler body (1), a flue gas inlet (8) is formed in the lower end of the flue gas heat exchange tube (6), a flue gas outlet (9) is formed in the upper end of the flue gas heat exchange tube (6), a desulfurization waste water inlet tube (10) is arranged at the lower end of one side of the desulfurization waste water heat exchange tube (7), a circulating water tube (11) is connected and arranged at two parts of the outer side of the boiler body (1) on the desulfurization waste water heat exchange tube (7), and a circulating water pump (12) is arranged on the circulating water tube (11), the boiler is characterized in that a water conveying pipe (13) is arranged at the lower right end in the boiler body (1), a first three-way pipe (14) is arranged at an end opening of the outer side of the water conveying pipe (13), a drain pipe (15) and a water adding pipe (16) are respectively sleeved at two remaining end openings of the first three-way pipe (14), a water adding pump (17) is arranged on the water adding pipe (16), and a temporary storage water tank (18) is arranged at the other end of the drain pipe (15) and the water adding pipe (16).

2. The boiler system with the function of self-adaptive variable-load operation energy conservation according to claim 1, characterized in that: a second three-way pipe (19) is arranged at the joint of the desulfurization waste water heat exchange pipe (7) and the circulating water pipe (11), a first electromagnetic valve (20) is arranged on the desulfurization waste water heat exchange pipe (7) and on the outer side of the second three-way pipe (19), and a third three-way pipe (21) is arranged on the desulfurization waste water heat exchange pipe (7) and on the inner side of the second three-way pipe (19) and connected with the desulfurization waste water inlet pipe (10).

3. The boiler system with the function of self-adaptive variable-load operation energy conservation as claimed in claim 2, characterized in that: and a second electromagnetic valve (22) is arranged on the water discharge pipe (15).

4. The boiler system with the function of self-adaptive variable-load operation energy conservation as claimed in claim 3, characterized in that: and a third electromagnetic valve (23) is arranged on the water adding pipe (16).

5. The boiler system with the function of self-adaptive variable-load operation energy conservation according to claim 4, characterized in that: the output ends of the temperature controller (4) and the liquid level controller (5) are electrically connected with the first electromagnetic valve (20), the second electromagnetic valve (22), the third electromagnetic valve (23), the water adding pump (17) and the circulating water pump (12).

6. The boiler system with the function of self-adaptive variable-load operation energy conservation according to claim 1, characterized in that: the flue gas outlet (9) is provided with a flue gas desulfurization treatment box (24).