CN218721628U

CN218721628U - Heat sink for energy engineering

Info

Publication number: CN218721628U
Application number: CN202223034602.8U
Authority: CN
Inventors: 洪鑫; 吴雨航; 肖力澎
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-03-24
Anticipated expiration: 2032-11-15

Abstract

The utility model provides a cooling device for energy engineering, which is used for cooling a chimney of a boiler and is assembled between the boiler and the chimney, and comprises a mounting rack, a spray pipe, a smoke guide pipeline and a collecting tank, wherein the spray pipe, the smoke guide pipeline and the collecting tank are arranged on the mounting rack along the horizontal direction at intervals from top to bottom; one end of the smoke guide pipeline is communicated with a smoke outlet of the boiler, the other end of the smoke guide pipeline is communicated with a smoke inlet of the chimney, one side of the spray pipe close to the smoke guide pipeline is provided with a plurality of spray ports, spray heads are arranged on the spray ports, and the spray pipe is communicated with a tap water supply pipe; the collecting tank is communicated with the spray pipe through a cooling circulation pipeline; the utility model discloses an add between boiler and chimney and lead the tobacco pipe, change the passageway that original boiler flue gas got into the chimney, the shower through setting up is cooled down initiatively to leading the flue gas in the tobacco pipe, and then reduces the inside flue gas temperature of entering chimney to solve the easy high temperature oxidation rotten problem of chimney.

Description

Heat sink for energy engineering

Technical Field

The utility model relates to an energy engineering's technical field particularly, relates to a heat sink for energy engineering for cooling down for boiler chimney.

Background

The chimney is a structure for providing ventilation to the hot flue gas or fumes of the boiler, and its height affects its ability to transport the flue gas to the external environment by the chimney effect, and furthermore, the pollutant diffusion using the chimney in high altitude areas can reduce the impact on the surrounding environment. In the case of chemically aggressive output, a high enough stack may allow the chemicals in the air to partially or fully neutralize themselves before reaching ground level. The dispersion of the contaminants over a larger area may reduce their concentration and facilitate compliance with regulatory limits. The highest chimney in the world is the GRES-2 power station chimney located at kazakhstan, up to 420 meters. The highest chimney in China is the chimney of a Shanxi Shentou two-power plant, and the height of the chimney is 270 meters.

The traditional coal-fired boiler has high exhaust gas temperature due to various reasons, and a chimney is easy to be oxidized and rotten at high temperature, so that heavy economic burden and maintenance trouble are brought to users, and the patent with the application number of CN201620283393.6 discloses a boiler chimney waste heat recovery dust removal and temperature reduction device, which comprises a left section chimney and a right section chimney, wherein the left section chimney is provided with a waste heat recovery device, and the right section chimney is provided with a dust removal and temperature reduction device; the surface of the left section of the chimney is provided with a closed spiral guide groove device, a water inlet at the upper part of the guide groove is communicated with a lower water inlet pipe, and a water outlet at the lower part of the guide groove is communicated with a water inlet of the furnace body through a water outlet pipe; right side section chimney is the slope form, two blocks of smoke deflector about inside is provided with, utilize two shower nozzles water spray on upper portion to remove dust and cool down, the shower nozzle inlet tube passes through flow divider and last inlet tube intercommunication, sewage passes through the bushing, prevent cigarette case and blow off pipe discharge, this kind of scheme is the temperature that can effectual reduction chimney, but the temperature that gets into the flue gas or smog in the left section chimney does not reduce, the inside of left section chimney still is rotten by high temperature oxidation easily, the inside flue gas of right side section chimney or smog are directly washed with water and are removed dust and cool down simultaneously, make the water content of the inside flue gas of right side section chimney or smog big, also cause the inside by oxidation rotten of chimney easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat sink for energy engineering for the chimney cooling of boiler, the assembly is between boiler and chimney, and it can reduce the temperature when flue gas gets into the chimney, and then effectual solution leads to the rotten problem of the easy high temperature oxidation of chimney because the boiler exhaust gas temperature is too high.

The embodiment of the utility model is realized like this:

the cooling device for the energy engineering comprises a mounting frame, a spraying pipe, a smoke guide pipeline and a collecting tank, wherein the spraying pipe, the smoke guide pipeline and the collecting tank are arranged on the mounting frame at intervals from top to bottom along the horizontal direction;

one end of the smoke guide pipeline is communicated with an exhaust port of the boiler, the other end of the smoke guide pipeline is communicated with a smoke inlet of the chimney, one side of the spray pipe close to the smoke guide pipeline is provided with a plurality of spray ports, spray heads are arranged on the plurality of spray ports, and the spray pipe is communicated with a tap water supply pipe;

the utility model changes the channel of the original boiler flue gas entering the chimney by additionally arranging the smoke guide pipeline between the boiler and the chimney, and actively cools the flue gas in the smoke guide pipeline through the arranged spray pipes, thereby reducing the temperature of the flue gas entering the chimney, and further solving the problem that the chimney is easy to oxidize at high temperature and rot;

wherein, connect through cooling cycle pipeline between collecting vat and the shower, cooling cycle pipeline includes two at least cooling ponds, and the collecting vat all passes through the drainage tube switch-on with two cooling ponds, has the stop valve on the drainage tube, and two cooling ponds all pass through the circulating pipe switch-on shower, are equipped with booster pump and check valve on the circulating pipe.

In some embodiments of the present invention, the smoke guide duct is made of aluminum alloy.

In some embodiments of the present invention, the smoke guiding pipe has a plurality of convection heat dissipation channels.

The utility model discloses an in some embodiments, one side of above-mentioned collecting vat is equipped with the filter-tank, and the filter-tank link up with the collecting vat, and the drainage tube switch-on is in the collecting vat, and wherein, the collecting vat towards filter-tank lopsidedness, and the level of filter-tank bottom is less than the level of collecting vat tank bottom.

In some embodiments of the present invention, the filter tank has a filter element, and the filter element is detachably mounted at the through position between the collecting tank and the filter tank.

In some embodiments of the present invention, the filter member includes a frame and a filter cloth fixed in the frame.

In some embodiments of the present invention, the air guiding cover further includes a fan and an air guiding cover mounted on the mounting frame, an interval is provided between the air guiding cover and the air guiding pipe, and the air exhaust end of the air guiding cover is opposite to the port of the convection heat dissipation channel, and the air inlet of the air guiding cover is connected to the air inlet of the fan through a pipe.

In some embodiments of the present invention, a stirring device is further disposed in the cooling tank.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

the utility model discloses an add between boiler and chimney and lead the tobacco pipe, change the passageway that original boiler flue gas got into the chimney, the shower through setting is to leading the flue gas in the tobacco pipe and initiatively cooling, and then reduces the inside flue gas temperature of entering chimney to solve the easy high temperature oxidation rotten problem of chimney.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

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

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

FIG. 3 is a schematic view of the assembly of the collecting tank, the filtering tank and the filtering member according to the present invention;

FIG. 4 is a schematic view of the filter element of the present invention;

fig. 5 is a schematic diagram of the cooling circulation pipeline of the present invention.

Icon: 1. the device comprises a tap water supply pipe, a wind guide cover, a mounting frame, a spraying pipe, a smoke guide pipeline, a collecting tank, a spraying head, a 81, a cooling pool, a 82, a drainage pipe, a 83, a shutoff valve, a 84, a circulating pipe, a 85, a booster pump, a 86, a one-way valve, a 41, a convection heat dissipation channel, a 9, a filtering tank, a 10, a filtering piece, a 101, a frame, a 102, filter cloth, a 11 and a wind guide cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted 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 according to specific situations by those skilled in the art.

Example 1

The cooling device for the energy engineering, which is shown in fig. 1 to 5, is used for cooling a chimney of a boiler, is assembled between the boiler and the chimney, and comprises a mounting frame 3, a spraying pipe 4, a smoke guide pipeline 5 and a collecting tank 6, wherein the spraying pipe 4, the smoke guide pipeline 5 and the collecting tank 6 are arranged on the mounting frame 3 along a horizontal direction at intervals from top to bottom;

one end of the smoke guide pipeline 5 is communicated with an exhaust port of the boiler, the other end of the smoke guide pipeline is communicated with a smoke inlet of the chimney, one side, close to the smoke guide pipeline 5, of the spraying pipe 4 is provided with a plurality of spraying ports, spraying heads 7 are installed on the plurality of spraying ports, the spraying pipe 4 is communicated with the tap water supply pipe 1, specifically, the temperature of smoke in the smoke guide pipeline 5 is reduced by spraying water on the smoke guide pipeline 5 through the spraying heads 7, and then the temperature of the smoke entering the chimney is reduced, so that the problem that the chimney is prone to high-temperature oxidation and corrosion is solved.

The working principle is as follows: the channel of the smoke generated in the operation of the original boiler entering the chimney is changed by additionally arranging the smoke guide pipeline 5 between the boiler and the chimney, and the smoke guide pipeline 5 is cooled by tap water through the arranged spray pipe 4, so that the heat of the smoke flowing through the inside of the smoke guide pipeline 5 is taken away, and the smoke entering the chimney is actively cooled, wherein the smoke guide pipeline 5 is made of aluminum alloy, the aluminum alloy has high temperature resistance, strong oxidation resistance and strong heat conduction capability, the heat combustion capability of the smoke guide pipeline 5 is improved by utilizing the characteristic of strong heat conduction capability, and more heat in the smoke flowing through the inside of the smoke guide pipeline 5 can be taken away when the spray head 7 sprays water on the smoke guide pipeline 5;

in the real-time embodiment, the collecting tank 6 is arranged to collect water that is not evaporated when the flue gas in the flue gas guiding pipe 5 is cooled, so that part of the water can be reused for cooling the flue gas guiding pipe 5, thereby reducing the waste of water resources, specifically, the collecting tank 6 is connected with the spray pipe 4 through a cooling circulation pipeline, the cooling circulation pipeline comprises at least two cooling tanks 81, the collecting tank 6 is connected with the two cooling tanks 81 through a drainage pipe 82, the drainage pipe 82 is provided with a shutoff valve 83, the two cooling tanks 81 are connected with the spray pipe 4 through a circulation pipe 84, and the circulation pipe 84 is provided with a booster pump 85 and a one-way valve 86;

in order to further improve the heat dissipation capability of the smoke guiding pipeline 5, the smoke guiding pipeline 5 is provided with a plurality of convection heat dissipation channels 41, preferably, the smoke guiding pipeline 5 further comprises a fan and a wind scooper 11 installed on the mounting rack 3, a distance is provided between the wind scooper 11 and the smoke guiding pipeline 5, an air exhaust end of the wind scooper 11 is right opposite to a port of the convection heat dissipation channel 41, an air inlet of the wind scooper 11 is communicated with an air inlet of the fan through a pipeline, and the flow speed of air in the convection heat dissipation channel 41 is increased through the arrangement of the fan and the wind scooper 11, so that more heat can be taken away.

Preferably, in consideration of the fact that the water entering the cooling tank 81 has high heat, a stirring device is further disposed in the cooling tank 81, and the water in the cooling tank 81 is stirred by the stirring device, so that the heat in the water can be dissipated more quickly, and the water can be reused as the water for cooling the smoke guide pipeline 5.

Example 2:

on the basis of embodiment 1, further, considering that the water collected by the collecting tank 6 is water that is not evaporated when the flue gas inside the smoke guide pipeline 5 is cooled, and the water may generate scale at high temperature, in order to avoid the scale from entering the cooling tank 81, one side of the collecting tank 6 is provided with a filtering tank 9, the filtering tank 9 is communicated with the collecting tank 6, and the drainage tube 82 is communicated with the inside of the collecting tank 6, wherein the collecting tank 6 is inclined towards one side of the filtering tank 9, and the horizontal height of the bottom of the filtering tank 9 is lower than that of the bottom of the collecting tank 6, so as to ensure that the water in the collecting tank 6 can enter the filtering tank 9, wherein the filtering tank 9 is provided with a filtering element 10 for filtering the scale, the filtering element 10 is detachably installed at the communicating position between the collecting tank 6 and the filtering tank 9, and the filtering element 10 is detachably installed to facilitate the later-stage replacement, specifically, the filtering element 10 includes a frame 101 and a filter cloth 102 fixed in the frame 101.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cooling device for energy engineering is used for cooling a chimney of a boiler, and is characterized by being assembled between the boiler and the chimney and comprising an installation frame, a spray pipe, a smoke guide pipeline and a collecting tank, wherein the spray pipe, the smoke guide pipeline and the collecting tank are arranged on the installation frame in the horizontal direction at intervals from top to bottom;

one end of the smoke guide pipeline is communicated with an exhaust port of the boiler, the other end of the smoke guide pipeline is communicated with a smoke inlet of the chimney, one side of the spray pipe close to the smoke guide pipeline is provided with a plurality of spray ports, spray heads are arranged on the plurality of spray ports, and the spray pipes are communicated with a tap water supply pipe;

the collecting groove with through cooling circulation pipeline switch-on between the shower, cooling circulation pipeline include two at least cooling ponds, the collecting groove with two the cooling pond all through the drainage tube switch-on, have the stop valve on the drainage tube, two the cooling pond all through circulating pipe switch-on shower, be equipped with booster pump and check valve on the circulating pipe.

2. The cooling device for energy engineering as claimed in claim 1, wherein the smoke guide duct is made of aluminum alloy.

3. The heat sink for energy engineering according to claim 2, wherein the smoke duct has a plurality of convection heat dissipation passages.

4. The cooling device for energy engineering according to claim 3, wherein a filter tank is arranged on one side of the collecting tank, the filter tank is communicated with the collecting tank, and the drainage tube is communicated with the inside of the collecting tank;

the collecting groove inclines towards one side of the filtering groove, and the horizontal height of the bottom of the filtering groove is lower than that of the bottom of the collecting groove.

5. The heat sink according to claim 4, wherein the filtering tank has a filtering member detachably mounted at a position where the collecting tank is communicated with the filtering tank.

6. The heat sink for energy engineering according to claim 5, wherein the filter member comprises a frame and a filter cloth fixed in the frame.

7. The cooling device for the energy engineering according to claim 4, further comprising a fan and an air guide cover mounted on the mounting frame, wherein a gap is formed between the air guide cover and the air guide pipe, an air exhaust end of the air guide cover faces a port of the convection heat dissipation channel, and an air inlet of the air guide cover is communicated with an air inlet of the fan through a pipeline.

8. The cooling device for energy engineering according to any one of claims 5 to 7, wherein a stirring device is further provided in the cooling pool.