CN220489786U

CN220489786U - Thermal energy recovery device for thermal power generation

Info

Publication number: CN220489786U
Application number: CN202321471676.XU
Authority: CN
Inventors: 许睿明
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-10
Filing date: 2023-06-10
Publication date: 2024-02-13
Anticipated expiration: 2033-06-10

Abstract

The utility model discloses a thermal energy recovery device for thermal power generation, which comprises a boiler, wherein a recovery mechanism is arranged on the boiler, the recovery mechanism comprises a water cavity arranged in the boiler, a steam outlet is fixedly connected to the upper side of the boiler, an annular water pipe is wound on the outer wall of the boiler, the annular water pipe is a half tank, water directly contacts with the outer wall of the boiler when passing through the annular water pipe, a water adding port is arranged between the annular water pipe and the water cavity, and the water can be introduced into the water cavity after absorbing the heat of the outer wall of the boiler, so that the recovery mechanism is arranged.

Description

Thermal energy recovery device for thermal power generation

Technical Field

The utility model relates to the field of heat energy recovery devices, in particular to a heat energy recovery device for thermal power generation.

Background

When the combustion boiler for thermal power generation heats water and produces steam, the heat of the boiler is very high, and the water added into the boiler is often warm water, so that a water adding pipeline can be designed on the outer wall of the combustion boiler, and the water rises from bottom to top around the boiler to absorb the heat of the boiler, and then the water is filled into the boiler to supplement the heat, thereby recovering heat energy, shortening the time for heating the water and greatly improving the utilization rate of the energy;

to this end, the patent with publication number CN217715005U discloses a heat recovery device for thermal power plant, which comprises a main barrel, the bottom of main barrel is connected with the dust hopper, the upper end of main barrel is provided with the gas outlet, the winding is connected with multiturn coiled pipe on the main barrel, the one end of coiled pipe is connected with the inlet tube, the other end of coiled pipe is connected with the steering tube, the upper end tangential direction of main barrel is connected with into the tobacco pipe. The heat recovery device has the advantages that the main cylinder is connected with the multi-turn coiled pipe, heat is conducted into the coiled pipe through the main cylinder, one end of the coiled pipe is led into water flow through the water inlet pipe, the first-stage heat absorption is carried out through the water flow, the inside of the smoke inlet pipe is connected with the plurality of transverse heat conducting plates, the heat is conducted into the fluid inside through the plurality of transverse heat conducting plates by hot smoke, the second-stage heat absorption is carried out on the water flow, the heat energy is fully recovered through the stage heat absorption, and the heat energy recovery efficiency is high;

the heat recovery device for a thermal power plant in the above case does not solve the problem of waste of heat of the boiler itself.

Disclosure of Invention

The utility model aims to provide a thermal energy recovery device for thermal power generation, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a thermal power's heat recovery unit, includes the boiler, be equipped with recovery mechanism on the boiler, recovery mechanism includes be equipped with the water cavity in the boiler, boiler upside fixedly connected with steam outlet, the winding of boiler outer wall has annular water pipe, annular water pipe is half jar, water pass through when annular water pipe direct with boiler outer wall contact, annular water pipe with be equipped with between the water cavity and add the mouth of a river, can with the absorption water after the boiler outer wall heat lets in the water cavity, realize heat energy's recycle.

The beneficial effect, the boiler downside is equipped with the fixed plate, two supports of fixed plate up end fixedly connected with bilateral symmetry, support fixedly connected with heating base, be equipped with the combustion bowl in the heating base, just the heating base is equipped with four vents, the vent can ventilate, improves combustion efficiency.

The water tank is fixedly connected to the upper end face of the fixing plate, the water storage cavity is formed in the water tank, the water pump is fixedly connected to the upper end face of the water tank, the other end of the water pump is located on the water suction pipe at the lower side of the water storage cavity, the water pump is fixedly connected with the water inlet pipe between the water pump and the annular water pipe, the water pump can pump out water in the water storage cavity, the water inlet pipe is led into the annular water pipe, and the boiler is fixedly connected to the upper end face of the heating base.

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

according to the utility model, the recovery mechanism is arranged, and the water can be transported around the boiler from bottom to top through the boiler, the annular water pipe and the water pump, and finally the water is poured into the water cavity, so that not only is the redundant heat of the boiler absorbed, but also the temperature of the added water is increased, the subsequent heating time is shortened, and the energy utilization rate is improved.

Drawings

FIG. 1 is a three-dimensional schematic of the present utility model;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view in section A-A of FIG. 2;

FIG. 4 is a schematic view in section B-B of FIG. 2;

FIG. 5 is an enlarged partial schematic view of FIG. 4;

FIG. 6 is a three-dimensional schematic view of a heating base of the present utility model;

FIG. 7 is a three-dimensional schematic of the recovery mechanism of the present utility model.

In the figure: 100. a fixing plate; 101. a water tank; 102. a water pump; 103. a water inlet pipe; 104. an annular water pipe; 105. a bracket; 106. heating the base; 107. a vent; 108. a steam outlet; 109. a boiler; 110. a combustion tank; 111. a water chamber; 112. a water adding port; 113. a water storage chamber; 114. a water pumping pipe; 115. and a recovery mechanism.

Detailed Description

The present utility model will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Examples

Referring to fig. 1-7, the present utility model provides a technical solution: the utility model provides a thermal power's heat recovery unit, includes boiler 109, be equipped with recovery mechanism 115 on the boiler 109, recovery mechanism 115 includes be equipped with in the boiler 109 water cavity 111, boiler 109 upside fixedly connected with steam outlet 108, the winding of boiler 109 outer wall has annular water pipe 104, annular water pipe 104 is half jar, water pass through when annular water pipe 104 direct with boiler 109 outer wall contact, annular water pipe 104 with be equipped with between the water cavity 111 and add the mouth of a river 112, can with absorbing the water after the heat of boiler 109 outer wall lets in the water cavity 111, realizes the recycle of heat energy.

The lower side of the boiler 109 is provided with a fixed plate 100, the upper end surface of the fixed plate 100 is fixedly connected with two brackets 105 which are bilaterally symmetrical, the brackets 105 are fixedly connected with a heating base 106, a combustion groove 110 is arranged in the heating base 106, the heating base 106 is provided with four ventilation openings 107, the ventilation openings 107 can be ventilated, and the combustion efficiency is improved;

the water tank 101 is fixedly connected to the upper end face of the fixing plate 100, the water storage cavity 113 is arranged in the water tank 101, the water pump 102 is fixedly connected to the upper end face of the water tank 101, the water pump 102 is fixedly connected with a water suction pipe 114, the other end of the water pump 114 is located at the lower side of the water storage cavity 113, the water pump 102 is fixedly connected with a water inlet pipe 103 between the water pump 102 and the annular water pipe 104, the water pump 102 can pump out water in the water storage cavity 113, the water is introduced into the annular water pipe 104 through the water inlet pipe 103, and the boiler 109 is fixedly connected to the upper end face of the heating base 106.

Working principle:

firstly, water is introduced into the water cavity 111, then coal is poured into the combustion tank 110 to be ignited, the heat turns the water into water vapor, the water vapor is introduced from the vapor outlet 108 to generate electricity, and meanwhile, the ventilation opening 107 is used for adding coal and circulating air.

The water vapor is continuously discharged and then is required to be supplemented with water in time, the water pump 102 is started, water in the water storage cavity 113 is pumped out through the water pumping pipe 114, the water flows into the annular water pipe 104 through the water inlet pipe 103, then the annular water pipe 104 ascends around the boiler 109 along with the annular water pipe 104, the annular water pipe 104 is a half water pipe, the water can contact the outer wall of the boiler 109, the heat of the boiler 109 is continuously absorbed during the ascending period, finally, the water is introduced into the water cavity 111 through the water adding port 112, the redundant heat of the boiler 109 is absorbed, meanwhile, the water introduced into the water cavity 111 is heated, the subsequent heating time is shortened, and the utilization rate of energy is greatly improved.

It will be apparent to those skilled in the art that various modifications and variations can be made to the disclosed embodiments. Other embodiments will be apparent to those skilled in the art from consideration of the specification and practice of the disclosed system. It is intended that the specification and examples be considered as exemplary only, with a true scope being indicated by the following claims and their equivalents.

Claims

1. The utility model provides a thermal energy recovery unit of thermal power, includes boiler (109) its characterized in that: be equipped with recovery mechanism (115) on boiler (109), recovery mechanism (115) include be equipped with in boiler (109) water cavity (111), boiler (109) upside fixedly connected with steam outlet (108), boiler (109) outer wall winding has annular water pipe (104), annular water pipe (104) are half jar, water pass through during annular water pipe (104) direct with boiler (109) outer wall contact, annular water pipe (104) with be equipped with between water cavity (111) water filling port (112), can with the absorption water behind boiler (109) outer wall heat lets in water cavity (111), realize the recycle of heat energy.

2. The thermal energy recovery device for thermal power generation according to claim 1, wherein: the lower side of the boiler (109) is provided with a fixed plate (100), and the upper end surface of the fixed plate (100) is fixedly connected with two supports (105) which are bilaterally symmetrical.

3. The thermal energy recovery device for thermal power generation according to claim 2, wherein: the support (105) is fixedly connected with a heating base (106), and a combustion groove (110) is formed in the heating base (106).

4. A thermal energy recovery device for thermal power generation according to claim 3, wherein: the heating base (106) is provided with four ventilation openings (107), and the ventilation openings (107) can ventilate to improve combustion efficiency.

5. The thermal energy recovery device for thermal power generation according to claim 4, wherein: the water tank (101) is fixedly connected to the upper end face of the fixing plate (100), and a water storage cavity (113) is formed in the water tank (101).

6. The thermal energy recovery device for thermal power generation according to claim 5, wherein: the water tank (101) up end fixedly connected with water pump (102), water pump (102) fixedly connected with the other end is located drinking-water pipe (114) of water storage chamber (113) downside.

7. The thermal energy recovery device for thermal power generation according to claim 6, wherein: a water inlet pipe (103) is fixedly connected between the water pump (102) and the annular water pipe (104), and the water pump (102) can pump out water in the water storage cavity (113) and is led into the annular water pipe (104) through the water inlet pipe (103).

8. The thermal energy recovery device for thermal power generation according to claim 7, wherein: the boiler (109) is fixedly connected to the upper end face of the heating base (106).