CN214405992U

CN214405992U - Waste heat utilization device of boiler

Info

Publication number: CN214405992U
Application number: CN202023043523.4U
Authority: CN
Inventors: 崔云国
Original assignee: Shandong Guolei Environmental Protection Technology Co ltd
Current assignee: Shandong Guolei Environmental Protection Technology Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-10-15
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a waste heat utilization equipment of boiler relates to living beings system boiler field, including the boiler, the exhaust gas pipe is installed to the boiler upper end, the heat transfer case is installed to the exhaust gas pipe right-hand member, heat transfer incasement internally mounted has the inlet tube, heat transfer incasement internally mounted has the outlet pipe, gas discharge pipe is installed on heat transfer case right side, the tip installs the cinder pipe under the boiler, the water tank outer wall is installed to cinder pipe right-hand member, the built-in water tank inner wall of water tank outer wall, water tank inner wall side-mounting has the fixed axle, stirring vane is installed to the fixed axle right-hand member, the stirring vane right-hand member sets up the blade axle, the motor is installed to blade axle right-hand member, the right side at the water tank outer wall is installed to the motor. This design has all carried out reuse to waste gas, the slag that the boiler produced to carry out filtration treatment to waste gas, reduce the pollution of waste gas to the environment.

Description

Waste heat utilization device of boiler

Technical Field

The utility model relates to a living beings system boiler field specifically is a waste heat utilization equipment of boiler.

Background

The biomass boiler is a kind of boiler, and a boiler using biomass energy as fuel is called a biomass boiler and is divided into a biomass steam boiler, a biomass hot water boiler, a biomass hot blast stove, a biomass heat-conducting oil furnace, a vertical biomass boiler, a horizontal biomass boiler and the like. Classifying the biomass boiler: horizontal biomass boiler, vertical biomass boiler. Biomass fuel gas heat-conducting oil furnace, biomass steam boiler, biomass hot water boiler and biomass heat-conducting oil furnace. The biomass boiler has the advantages of high efficiency, generally over 80%, large boiler type, more sufficient combustion and higher boiler efficiency. The highest reaches 88.3 percent, and the heat efficiency is higher than that of a common gas boiler. Biomass boilers are roughly classified into two types according to their use: one is a biomass heat energy boiler, and the other is a biomass electric energy boiler. Their basic principle is roughly the same, and they all obtain energy by burning biomass fuel, and they differ in that the first boiler directly obtains heat energy, and then the second boiler converts the heat energy into electric energy again. Of these two boilers, the corresponding technology is mature, since the first boiler is most widely used.

In the daily production, the boiler discharges slag, exhaust gas, and the like, and the boiler also takes away a large amount of heat while discharging flue gas, and if the heat is not utilized, the heat is lost. The produced slag generally has a high temperature of over 700 ℃, and if the slag is directly discharged, a large amount of heat is lost. In some factories, a special heating boiler is required to be provided for providing a bathroom for taking a bath for employees, so that fuel cost is high, and burden of enterprises is increased. And a large amount of electric energy is consumed in daily production. The heat energy recovery of the high-temperature waste gas and the slag is particularly important; the boiler needs to be modified in an energy-saving mode, the main content of the modification is the problem of waste heat recovery of the boiler, in fact, energy conservation is one of key factors capable of being continuously developed in a country, and if a traditional energy utilization mode is adhered to and the resources cannot be effectively recycled, the whole resource environment of the society is aggravated, and rapid exhaustion of the energy is caused.

Therefore, it is necessary to design an improved recycling device for waste heat of boiler.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waste heat utilization equipment of boiler.

In order to achieve the above object, the utility model provides a following technical scheme:

the waste heat utilizing device for boiler includes boiler, waste gas pipe installed in the upper end of the boiler, a heat conversion box is arranged at the right end of the waste gas pipe, a water inlet pipe is arranged in the heat conversion box, a water outlet pipe is arranged in the heat conversion box, a gas discharge pipe is arranged on the right side of the heat conversion box, a slag pipe is arranged at the lower end part of the boiler, the outer wall of a water tank is arranged at the right end of the slag pipe, the inner wall of the water tank is arranged in the outer wall of the water tank, a fixed shaft is arranged on the side surface of the inner wall of the water tank, a stirring blade is arranged at the right end of the fixed shaft, a blade shaft is arranged at the right end of the stirring blade, the motor is installed to blade axle right-hand member, the right side at the water tank outer wall is installed to the motor, the vapor output tube is installed to water tank outer wall upper end, surface mounting has the generator under the vapor output tube, set up the blade on the generator.

On the basis of the technical scheme, the utility model discloses still provide following optional technical scheme:

in one alternative: and a slag discharge door is arranged on the outer wall of the water tank.

In one alternative: the gas discharge pipe is provided with a filter screen.

In one alternative: the generator is provided with a power output line for collecting power.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the energy is fully utilized, the high-temperature slag and the waste gas are reused, the utilization rate of the energy is improved, the operating cost of an enterprise is reduced, the generated electric power can be used for the production of the enterprise or residents, and the hot water can be used for supplying heat to cities;

2. the design structure is reasonable, the design thought is clear, and the manufacturing cost is low;

3. and the waste gas is filtered, large particle substances in the waste gas are removed, and the pollution of the waste gas to the environment is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the stirring blade of the present invention.

Fig. 3 is an enlarged view of a in the present invention.

Notations for reference numerals: the device comprises a power output line 1, a generator 2, a steam discharge pipe 3, blades 4, a water outlet pipe 5, a heat conversion box 6, a filter screen 7, a gas discharge pipe 8, a water inlet pipe 9, a waste gas pipe 10, a boiler 11, a water inlet valve port 12, a water tank outer wall 13, a slag pipe 14, a fixed shaft 15, a water tank inner wall 16, stirring blades 17, a blade shaft 18, a motor 19, a steam output pipe 20, a slag stirring cavity 21 and a slag discharge door 22.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the drawings or description, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practical applications. The embodiments of the present invention are provided only for illustration, and not for limiting the scope of the present invention. Any obvious and obvious modifications or alterations to the present invention can be made without departing from the spirit and scope of the present invention.

Examples

Referring to fig. 1-3, in an embodiment of the present invention, a waste heat utilization apparatus for a boiler includes a boiler 11, a waste gas pipe 10 is installed at an upper end of the boiler 11, a heat conversion box 6 is installed at a right end of the waste gas pipe 10, a water inlet pipe 9 is installed inside the heat conversion box 6, a water outlet pipe 5 is installed inside the heat conversion box 6, a gas discharge pipe 8 is installed at a right side of the heat conversion box 6, a slag pipe 14 is installed at a lower end of the boiler 11, a water tank outer wall 13 is installed at a right end of the slag pipe 14, a water tank inner wall 16 is installed inside the water tank outer wall 13, a fixing shaft 15 is installed at a side surface of the water tank inner wall 16, a stirring blade 17 is installed at a right end of the fixing shaft 15, a blade shaft 18 is installed at a right end of the stirring blade shaft 18, a motor 19 is installed at a right end of the water tank outer wall 13, a steam output pipe 20 is mounted at the upper end of the outer wall 13 of the water tank, a generator 2 is mounted on the lower surface of the steam output pipe 20, and blades 4 are arranged on the generator 2; a slag discharge door 22 is arranged on the outer wall 13 of the water tank; the gas discharge pipe 8 is provided with a filter screen 7; the generator 2 is provided with a power output line 1 for collecting power.

The utility model discloses a theory of operation is: the slag generated by the boiler 11 has high temperature above 700 ℃, the slag of the boiler 11 passes through the outer wall 13 of the water tank through the slag pipe 14 and is discharged into a slag stirring cavity 21 formed by the inner wall 16 of the water tank, the stirring blade 17 arranged on the inner wall 16 of the water tank is driven to rotate by the rotation of the motor 19, the stirring blade 17 rotates to stir the slag, the temperature of each part of the slag is uniform, the slag is fully contacted with the inner wall 16 of the water tank, the outer wall 13 of the water tank and the inner wall 16 of the water tank form the water tank, water is added into the water tank through the water inlet valve port 12, the slag boils in the water tank by heating the inner wall 16 of the water tank, the boiling of the water generates steam, the steam forms high-pressure steam in the water tank, the high-pressure steam enters the steam output pipe 20, the blades 4 are arranged in the steam output pipe 20, the high-pressure steam pushes the blades 4 to rotate, and the shaft of the generator is connected with the blades 4, driving the generator 2 to work, and collecting the generated electric power through the electric power output line 1; when the steam generation amount is small, opening the slag discharge door 22 to discharge the slag, and reloading the cinder into the slag stirring chamber 21; the waste gas that boiler 11 produced has the high temperature more than 200 degrees, and waste gas passes through exhaust pipe 10 and excretes in heat transfer box 6, and the running water enters into heat transfer box 6 from inlet tube 9 in, through the heating of high temperature waste gas, hot water is discharged from outlet pipe 5, and waste gas is discharged after the filtration of gas discharge pipe 8 through filter screen 7, and filter screen 7 can filter out the large granule of waste gas, reduces the pollution of environment.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a waste heat utilization equipment of boiler, includes boiler (11), its characterized in that, exhaust pipe (10) are installed to boiler (11) upper end, heat conversion case (6) are installed to exhaust pipe (10) right-hand member, heat conversion case (6) internally mounted has inlet tube (9), heat conversion case (6) internally mounted has outlet pipe (5), gas discharge pipe (8) are installed on heat conversion case (6) right side, tip installs cinder pipe (14) under boiler (11), water tank outer wall (13) are installed to cinder pipe (14), water tank inner wall (16) are built-in to water tank outer wall (13), water tank inner wall (16) side-mounting has fixed axle (15), stirring vane (17) are installed to fixed axle (15) right-hand member, stirring vane (17) right-hand member sets up blade axle (18), motor (19) are installed to blade axle (18) right-hand member, the right side at water tank outer wall (13) is installed in motor (19), water vapor output tube (20) are installed to water tank outer wall (13) upper end, surface mounting has generator (2) under water vapor output tube (20), set up blade (4) on generator (2).

2. The waste heat utilization device of a boiler according to claim 1, characterized in that a slag discharge door (22) is installed on the outer wall (13) of the water tank.

3. The waste heat utilization device of a boiler according to claim 1, characterized in that the gas exhaust pipe (8) is mounted with a filter screen (7).

4. The waste heat utilization device of a boiler according to claim 1, characterized in that the stirring blades (17) have 4 pieces.

5. The waste heat utilization device of a boiler according to claim 1 or 4, characterized in that an electric power output line (1) for electric power collection is mounted on the generator (2).