CN219252173U

CN219252173U - Condensation dehumidification flue gas whitening system

Info

Publication number: CN219252173U
Application number: CN202223612937.3U
Authority: CN
Inventors: 蒋锡根; 胡海亮
Original assignee: Zhejiang Qianyao Environmental Engineering Co ltd
Current assignee: Zhejiang Qianyao Environmental Engineering Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-27
Anticipated expiration: 2032-12-30

Abstract

The application relates to a condensation dehumidification flue gas whitening system, it includes including the heat dissipation case, condenser pipe and fan, the condenser pipe is located the heat dissipation incasement, inlet and outlet flue have been seted up to the heat dissipation case, inlet and outlet flue communicate with the both ends of condenser pipe respectively for supply the flue gas circulation, the condenser pipe is connected with the collecting pipe, the junction of condenser pipe and collecting pipe is equipped with the filter element that supplies the liquid infiltration, the collecting port has been seted up to the heat dissipation case, the one end intercommunication of collecting port and collecting pipe is used for condensing water to discharge in the flue gas, fan and heat dissipation case intercommunication, the vent has been seted up to the heat dissipation case for with the hot-blast discharge in the heat dissipation case. This application fan dispels the heat to the heat dissipation to reduce the temperature of condenser pipe, make the saturated vapor condensation in the flue gas form the water droplet, the filter can supply the condensate water to infiltrate the collecting pipe side from the condenser pipe side, accomplishes gas-liquid separation, this application equipment is compact, area is little, heat exchange efficiency is high, has solved the outside problem of arranging white cigarette of chimney.

Description

Condensation dehumidification flue gas whitening system

Technical Field

The application relates to the technical field of environmental engineering, in particular to a condensation dehumidification flue gas whitening system.

Background

As is well known, a smoke whitening device is a device used for removing large white smoke, the white smoke discharged from a chimney is mixed with ambient cold air, and in the cooling process, water vapor contained in the smoke whitening device is saturated and condensed, and condensed water mist drops refract and scatter light rays, so that smoke plumes appear white or gray, which is called as 'wet smoke plumes', commonly called as 'large white smoke', and smoke whitening refers to removing the large white smoke, and the smoke whitening device is widely used in the field of gas treatment devices.

The existing heating method needs to heat the temperature of the flue gas to be more than 100 degrees. Although no white smoke exists at the outlet of the smoke purifying chimney, the white smoke is easy to appear again under the action of cold air at the position 1-2m above the chimney, and the problem can not be solved fundamentally. And the energy consumption of production is increased and the operation cost of enterprises is increased by heating the flue gas. Therefore, the efficient and energy-saving flue gas whitening is a problem to be solved.

Disclosure of Invention

In order to improve the whitening effect of flue gas, the application provides a condensation dehumidification flue gas whitening system.

The application provides a condensation dehumidification flue gas whitening system adopts following technical scheme:

the utility model provides a condensation dehumidification flue gas takes off white system, including the cooling tank, condenser pipe and fan, the condenser pipe is located the cooling tank, inlet and outlet flue have been seted up to the cooling tank, inlet and outlet flue communicate with the both ends of condenser pipe respectively for supply the flue gas circulation, the condenser pipe is connected with the collecting pipe, the junction of condenser pipe and collecting pipe is equipped with the filter element that supplies the liquid infiltration, the collecting port has been seted up to the cooling tank, the one end intercommunication of collecting port and collecting pipe is used for discharging condensed water in the flue gas, fan and cooling tank intercommunication, the vent has been seted up to the cooling tank for with the hot-blast discharge in the cooling tank.

By adopting the technical scheme, the flue gas can enter the condensing pipe from the flue gas inlet, the fan continuously conveys cold air in the heat dissipation box, and the hot air is discharged from the ventilation opening, so that air in the heat dissipation cavity circulates, the temperature of the condensing pipe is reduced, saturated steam in the flue gas is condensed to form water drops, the condensed water flows to the collecting pipe along the inner wall of the condensing pipe, the filtering piece can supply water to infiltrate into the collecting pipe side from the condensing pipe side, and the condensed water is uniformly collected after flowing into the collecting opening along the collecting pipe; the flue gas in the condenser pipe is dehumidified through the condenser pipe and discharged from the flue outlet, so that the device is compact, small in occupied area and high in heat exchange efficiency, and the problem that the chimney discharges white smoke outwards is solved.

Optionally, the condenser pipe includes a plurality of return bends and a plurality of spiral pipe, and a plurality of spiral pipes are vertical setting in the heat dissipation case, and the tip of spiral pipe communicates in proper order through the return bend.

Through adopting above-mentioned technical scheme, the flue gas flows through spiral pipe and return bend in proper order, and the spiral pipe has prolonged the flow path of flue gas, has improved the heat exchange efficiency of flue gas and the interior air of heat dissipation case, and is the spiral pipe that vertical setting can guide the comdenstion water along spiral pipe inner wall flow direction collecting pipe.

Optionally, the bend connected to the top of the spiral tube is bent upwards.

Through adopting above-mentioned technical scheme, can flow into the spiral pipe along the inner wall of return bend when the return bend condensation that saturated steam in the flue gas is connected at spiral pipe top, avoid depositing the comdenstion water in the return bend for close the nucleus that is difficult for forming the scale deposit and accumulate the scale deposit thing, ensure that the circulation of flue gas is smooth and easy.

Optionally, the elbow that the spiral pipe bottom is connected is crooked downwards, and the lowermost of elbow communicates with the collecting pipe, and the filter element is located the junction of elbow and collecting pipe.

Through adopting above-mentioned technical scheme, the comdenstion water flow direction in the spiral pipe is located the return bend of spiral pipe bottom, collects in the minimum position department of return bend under the effect of gravity to in flowing into the collecting pipe through the filter, the filter can separate spiral pipe and collecting pipe, avoids the flue gas of spiral pipe to get into in the collecting pipe.

Optionally, the filter element is provided with a filter screen, and the filter screen is positioned on one side of the filter element close to the collecting pipe.

Through adopting above-mentioned technical scheme, the filter screen can play the effect of supporting the filter element, reduces the filter element and receives the intraductal high pressure influence of spiral and produce damaged risk.

Optionally, the smoke inlet is higher than the upper port of the spiral tube.

By adopting the technical scheme, the condensate water can be prevented from being deposited at the smoke inlet, and the adverse effect of the condensate water on the smoke entering the spiral pipe is reduced.

Optionally, the collection tube is inclined towards the collection port.

Through adopting above-mentioned technical scheme, the comdenstion water of inflow collecting pipe that sees through in the filter member inflow collecting pipe can be along the unified collection of the slope direction outflow collecting port of collecting pipe, avoids polluting the environment.

Optionally, a pipe clamp is arranged in the heat dissipation box and is connected with the bent pipe in a clamping way, and two ends of the pipe clamp are fixedly connected with the inner wall of the heat dissipation box so as to limit the bent pipe to move.

Through adopting above-mentioned technical scheme, the pipe strap has the effect of supporting and spacing to the return bend, can reduce the impact effect to the condenser pipe when flue gas flows in the condenser pipe, plays the effect of stable condenser pipe, and the pipe strap can bear the weight of condenser pipe to the cracked risk of junction of return bend and spiral pipe has been reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the flue gas can enter the condensing pipe from the flue gas inlet, the fan continuously conveys cold air into the heat dissipation box, and hot air is discharged from the ventilation opening, so that air in the heat dissipation cavity circulates, the temperature of the condensing pipe is reduced, saturated steam in the flue gas is condensed to form water drops, and the steam saturation of the flue gas is reduced;

2. condensed water flows to the collecting pipe along the inner wall of the condensing pipe, the filtering piece can supply water to permeate into the collecting pipe side from the condensing pipe side, and the condensed water flows into the collecting port along the collecting pipe and is collected uniformly; the flue gas in the condensing pipe is dehumidified by the condensing pipe and is discharged from the flue gas outlet, so that the device is compact, small in occupied area and high in heat exchange efficiency, and the problem that the chimney discharges white flue gas outwards is solved;

3. the flue gas flows through spiral pipe and return bend in proper order, and the spiral pipe has prolonged the flow path of flue gas, has improved the heat exchange efficiency of flue gas and the interior air of heat dissipation case, and is the spiral pipe that vertical setting can guide the comdenstion water along spiral pipe inner wall flow direction collecting pipe.

Drawings

Fig. 1 is a schematic structural diagram of a condensing dehumidifying flue gas whitening system according to the present application.

Fig. 2 is a schematic diagram of an internal structure of a condensing dehumidifying flue gas whitening system according to the present application.

Fig. 3 is a schematic diagram of an internal explosion structure of a condensing dehumidifying flue gas whitening system according to the present application.

Fig. 4 is a schematic diagram of a partial enlarged structure of a condensing dehumidifying flue gas whitening system according to the present application.

Fig. 5 is a schematic diagram of a partial enlarged structure of a condensing dehumidifying flue gas whitening system according to the present application.

Reference numerals illustrate:

1. a heat radiation box; 2. a condensing tube; 3. a blower; 4. a smoke inlet; 5. a smoke outlet; 6. a spiral tube; 7. bending the pipe; 8. an air inlet; 9. an air outlet; 10. a filter; 11. a filter screen; 12. a pipe clamp; 13. a bracket; 14. a connecting pipe; 15. a collection pipe; 16. a collection port; 17. a heat dissipation chamber.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a condensation dehumidification flue gas whitening system.

Referring to fig. 1 and 2, the condensation dehumidification flue gas whitening system includes heat dissipation case 1 and condenser pipe 2, heat dissipation case 1 is equipped with heat dissipation cavity 17, condenser pipe 2 fixed connection is in heat dissipation cavity 17, heat dissipation case 1 and outside intercommunication are passed at the both ends of condenser pipe 2 for supply flue gas circulation, air intake 8 and air outlet 9 have been seted up to heat dissipation case 1, air intake 8 and air outlet 9 all communicate with heat dissipation cavity 17, air intake 8 and air outlet 9 are located the corresponding both sides wall of heat dissipation case 1 respectively, air intake 8 is close to the top setting of heat dissipation case 1, air outlet 9 is close to the bottom setting of heat dissipation case 1, thereby the air flow in the reinforcing heat dissipation case 1, the radiating effect is strengthened.

The air inlet 8 of the heat dissipation box 1 is connected with the fan 3 and is used for conveying cold air in the heat dissipation cavity 17 and cooling the condensation pipe 2, so that the temperature of smoke flowing in the condensation pipe 2 is reduced, saturated steam of the smoke is condensed and separated out, and the smoke is colorless due to white desalination when discharged from the smoke outlet 5, and visual pollution of white smoke to a human body is reduced.

The condenser pipe 2 includes a plurality of return bends 7 and a plurality of spiral pipe 6, has adopted five spiral pipes 6 in this embodiment, and five spiral pipes 6 all are vertical setting and install in heat dissipation case 1, and spiral pipe 6 is arranged in proper order from the inlet 4 side of heat dissipation case 1 towards outlet 5 side. Two adjacent spiral pipes 6 are communicated through an elbow pipe 7 to form a channel for flue gas to pass through. The bent pipe 7 communicating with the top of the spiral pipe 6 is directed toward the top of the heat radiation box 1 so that water droplets condensed at the bent pipe 7 can flow into the spiral pipe 6 along the inner wall of the bent pipe 7. The bent pipe 7 communicating with the bottom of the spiral pipe 6 is bent toward the bottom of the heat radiation box 1, so that the condensed water droplets in the bent pipe 7 and the spiral pipe 6 can be collected at the bottom of the bent pipe 7. The heat dissipation box 1 is internally provided with a pipe clamp 12, the pipe clamp 12 is abutted with the bent pipe 7, two ends of the pipe clamp 12 are fixedly connected with the inner wall of the heat dissipation box 1, and the heat dissipation box has a supporting effect on the bent pipe 7 and the spiral pipe 6.

The bent pipe 7 positioned at the bottom of the spiral pipe 6 is provided with a connecting pipe 14 and a collecting pipe 15, two ends of the connecting pipe 14 are respectively communicated with the bent pipe 7 and the collecting pipe 15, and the connecting pipe 14 is communicated with the lowest point of the bent pipe 7, so that accumulated water converged at the bottom of the bent pipe 7 can flow into the collecting pipe 15 along the connecting pipe 14. The heat dissipation box 1 is provided with a collecting opening 16, the collecting opening 16 is communicated with one end of the collecting pipe 15, the other end of the collecting pipe 15 is closed, and the collecting pipe 15 is obliquely arranged towards the direction of the collecting opening 16, so that the flowing-in collecting pipe 15 can flow towards the direction of the collecting opening 16 under the action of self gravity, and the collecting treatment is unified. The heat dissipation box 1 is provided with a bracket 13, one end of the bracket 13 is fixed on the inner wall of the heat dissipation box 1, and the other end of the bracket 13 is fixedly connected with the collecting pipe 15 and used for supporting the collecting pipe 15.

Referring to fig. 3 and 4, the connection between the elbow pipe 7 and the collecting pipe 15 is provided with a filter element 10 and a filter screen 11, in this embodiment, the filter element 10 is a filter element, in other embodiments, filter paper or a permeable membrane may be used, zhou Xiangnian of the filter element 10 is adhered to the inner wall of the connecting pipe 14, and the top of the filter element 10 is flush with the inner wall of the elbow pipe 7, so as to reduce the influence of the filter element 10 on the flue gas flow. The filter element 10 separates the connecting pipe 14 from the bent pipe 7, condensed accumulated water infiltrates the filter element 10, condensed water permeates the filter element 10 and slowly flows into or drops into the collecting pipe 15, and the condensed water forms a layer of water film on the surface of the filter element 10, so that the flow of flue gas can be prevented from flowing into the collecting pipe 15.

The circumference of the filter screen 11 is fixedly connected with the inner wall of the connecting pipe 14, and the filter screen 11 is abutted with one side of the filter element 10 facing the collecting pipe 15. In this embodiment, the filter 11 is a metal mesh, and in other embodiments, the filter 11 may be a metal woven wire mesh or a honeycomb ceramic filter 11. The filter screen 11 can play the effect of secondary filtration to filter element 10, and the atmospheric pressure in the return bend 7 is higher than the atmospheric pressure in the connecting pipe 14, and the air current of flue gas can have extruded effect to filter element 10, and filter screen 11 plays the effect of supporting filter element 10, avoids filter element 10 to receive the pressure to produce the damage.

The implementation principle of the embodiment is as follows:

the flue gas enters the spiral tube 6 from the flue gas inlet 4, is discharged from the flue gas outlet 5 along the five communicated spiral tubes 6. In this process, the fan 3 continuously delivers external cold air into the heat dissipation chamber 17, and reduces the temperature of the spiral pipe 6 and the bent pipe 7, thereby reducing the temperature of flue gas flowing in the pipeline, saturated water vapor in the flue gas gradually separates out and adheres to the inner walls of the spiral pipe 6 and the bent pipe 7, and is condensed into water droplets and flows to the bottom of the bent pipe 7, and the condensed water permeates the filter element 10, flows into the collecting pipe 15 and flows out of the collecting port 16 along the inclined direction of the collecting pipe 15 to complete collection. In the process, condensed water can infiltrate into the filter element 10 and partially accumulate on the surface of the filter element 10 to separate the bent pipe 7 from the connecting pipe 14, so that smoke in the bent pipe 7 is prevented from entering the collecting pipe 15, gas-liquid separation is completed, and white smoke can not be generated from the exhaust of the smoke outlet 5 after the water vapor content of the smoke is reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a condensation dehumidification flue gas takes off white system which characterized in that: including cooling box (1), condenser pipe (2) and fan (3), condenser pipe (2) are located cooling box (1), inlet (4) and outlet (5) have been seted up to cooling box (1), inlet (4) and outlet (5) communicate with the both ends of condenser pipe (2) respectively for supply the flue gas circulation, condenser pipe (2) are connected with collecting pipe (15), the junction of condenser pipe (2) and collecting pipe (15) is equipped with and supplies liquid infiltration's filter (10), collecting port (16) have been seted up to cooling box (1), collecting port (16) communicate with the one end of collecting pipe (15) for discharge condensed water in the flue gas, fan (3) communicate with cooling box (1), the vent has been seted up to cooling box (1) for with the hot-blast discharge in cooling box (1).

2. The condensing dehumidifying flue gas whitening system according to claim 1, wherein: the condenser tube (2) comprises a plurality of bent pipes (7) and a plurality of spiral pipes (6), wherein the plurality of spiral pipes (6) are vertically arranged in the heat dissipation box (1), and the end parts of the spiral pipes (6) are sequentially communicated through the bent pipes (7).

3. The condensing dehumidifying flue gas whitening system of claim 2, wherein: an elbow (7) connected with the top of the spiral pipe (6) is bent upwards.

4. The condensing dehumidifying flue gas whitening system of claim 2, wherein: the bent pipe (7) connected with the bottom of the spiral pipe (6) is bent downwards, the lowest part of the bent pipe (7) is communicated with the collecting pipe (15), and the filtering piece (10) is positioned at the joint of the bent pipe (7) and the collecting pipe (15).

5. The condensing dehumidifying flue gas whitening system according to claim 1, wherein: the filter element (10) is provided with a filter screen (11), and the filter screen (11) is positioned on one side of the filter element (10) close to the collecting pipe (15).

6. The condensing dehumidifying flue gas whitening system of claim 2, wherein: the smoke inlet (4) is higher than the upper port of the spiral tube (6).

7. The condensing dehumidifying flue gas whitening system according to claim 1, wherein: the collecting pipe (15) is obliquely arranged towards the collecting port (16).

8. The condensing dehumidifying flue gas whitening system according to claim 1, wherein: the heat dissipation box (1) is internally provided with a pipe clamp (12), the pipe clamp (12) is clamped with the bent pipe (7), and two ends of the pipe clamp (12) are fixedly connected with the inner wall of the heat dissipation box (1) so as to limit the movement of the bent pipe (7).