CN214370453U - Flue gas purification system - Google Patents

Abstract

The utility model discloses a flue gas purification system, which comprises a fan, a protective outer cover component, a purification component, a flue extension pipe and a control component, wherein the fan and the purification component are both arranged in the protective outer cover component, the fan is positioned above the purification component, the lower end of the flue extension pipe is connected with the flue of a flue gas exhaust system, and the upper end of the flue extension pipe is connected with the purification component; the control assembly is connected with both the fan and the purification assembly; the control assembly obtains the number of the range hoods in the working state, and the concentration of the cleaning liquid in the purification assembly is controlled according to the number so as to purify the flue gas exhausted from the flue extension pipe. The utility model purifies the flue gas by the cleaning liquid, compared with the traditional method that the flue gas is purified by a filter screen, the flue gas can not be obstructed, thus the smoke exhaust effect can not be influenced; and, the utility model discloses the concentration of well washing liquid is adjusted still along with the quantity of the range hood that is in operating condition, and the utensil is corresponding.

Description

Flue gas purification system

Technical Field

The utility model belongs to the technical field of flue gas purification, concretely relates to flue gas purification system.

Background

The outlet of the high-rise public flue is generally arranged at the top of a floor, in order to ensure that the range hood of each floor of users can smoothly discharge smoke, a flue fan is generally arranged at the outlet of the public flue, when the flue fan works, negative pressure is formed at the outlet of the public flue, and the range hood at the user side is also provided with the fan, so that the oil smoke at the user side can be smoothly discharged through the public flue.

In order to purify the oil smoke discharged from the common flue, a filtering device is generally arranged in the common flue, and the existing filtering device has low filtering efficiency and large filter screen resistance, thereby influencing the smoke discharging effect.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a flue gas purification system has abandoned traditional through filter screen purification flue gas, and washs with the washing liquid, has avoided the filter screen to influence the smoke exhaust effect because of the resistance is big.

The utility model adopts the technical proposal that:

a flue gas purification system is used for purifying flue gas exhausted from a smoke exhaust system and comprises a fan, a protective outer cover assembly, a purification assembly, a flue extension pipe and a control assembly, wherein the fan and the purification assembly are arranged in the protective outer cover assembly; the control assembly is connected with both the fan and the purification assembly; the control assembly obtains the number of the range hoods in the working state, and the concentration of the cleaning liquid in the purification assembly is controlled according to the number so as to purify the flue gas exhausted from the flue extension pipe.

Preferably, purify the subassembly and include cleaning unit, waterproof unit and sewage collection unit, cleaning unit is located waterproof unit top, the flue extension pipe is located waterproof unit below and is covered by waterproof unit, sewage collection unit fixes and extends waterproof unit and be used for receiving the sewage after the cleaning unit washs in waterproof unit below and both ends.

Preferably, the waterproof unit is a top shell structure, the bottom of the flue extension pipe is connected with the flue of the smoke exhaust system, the upper end of the flue extension pipe is located in the top shell structure, the top shell structure comprises a body with a narrow upper part and a wide lower part, the bottom of the body extends to the periphery to form an outer extension surface, an outer water falling port is formed in the outer extension surface, the bottom of the body extends to the center to form an inner extension surface, an inner water falling port is formed in the inner extension surface, and a flue gas flow channel is further formed in the side surface of the body.

Preferably, the cleaning unit includes stoste module, clear water module, solution mixing box, scavenging pump and shower nozzle, stoste module and clear water module all communicate with the solution mixing box, the input and the solution mixing box of scavenging pump are connected, and the output is connected with the shower nozzle.

Preferably, the sewage collection unit includes dirty dish, sewage pump, collection dirty case and volumetric meter of collection, the one end and the dirty dish of collection of sewage pump are connected, and the other end and the collection dirty case are connected, the volumetric meter sets up in the dirty dish of collection.

Preferably, the control assembly comprises a fan controller, a stock solution controller, a sewage controller, a communication module, a power supply module and a main control board, and the fan controller, the stock solution controller, the sewage controller, the communication module and the power supply module are all connected with the main control board.

Preferably, the sewage collecting unit further comprises a rainwater pump connected with the sewage collecting disc, and the rainwater pump is connected with the rainwater tank.

Compared with the prior art, the utility model discloses during the use, with the export connection of this flue gas purification system and public flue, when control assembly detected that there is range hood work, under the effect of fan, the flue gas is arranged to the flue extension pipe from public flue, later purify the concentration that the subassembly adjusted the washing liquid according to the quantity of the range hood that is in operating condition, purify the flue gas that is discharged from the flue extension pipe through the washing liquid of this concentration, the flue gas after purifying is discharged through the protection dustcoat subassembly;

the utility model discloses purify the flue gas with the washing liquid, compare in traditional purifying through the filter screen and have if there is the advantage: firstly, the cleaning liquid can not cause obstruction to the smoke, so that the smoke exhaust effect can not be influenced; and, the utility model discloses the concentration of well washing liquid still follows the quantity of the range hood that is in operating condition and adjusts, and no matter how many flue gases there are in traditional filter screen, its filter screen can not follow the change, consequently, does not have and has pertinence.

Drawings

Fig. 1 is a schematic structural diagram of a flue gas purification system provided by an embodiment of the present invention;

FIG. 2 is a block diagram of a purification assembly in a flue gas purification system according to an embodiment of the present invention;

fig. 3 is a schematic mechanism diagram of a waterproof unit in a flue gas purification system according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of a waterproof unit in a flue gas purification system according to an embodiment of the present invention;

fig. 5 is a front view of a waterproof unit in a flue gas purification system according to an embodiment of the present invention;

fig. 6 is a block diagram of a control module in a flue gas purification system according to an embodiment of the present invention.

The device comprises a fan 1, a fan 2, a protective outer cover assembly, a purifying assembly 3, a flue extension pipe 4, a control assembly 5, a cleaning unit 31, a waterproof unit 32, a sewage collecting unit 33, a fan controller 51, a raw liquid controller 52, a sewage controller 53, a sewage controller 54, a communication module 55, a power supply module 56, a main control board 311, a raw liquid module 312, a clear water module 313, a solution mixing box 314, a cleaning pump 315, a spray head 331, a sewage collecting disc 332, a sewage pump 333, a sewage collecting box 334, a volume meter 335, a rainwater pump 336, a rainwater box 321, a body 322, an outer extension surface 323, an outer water falling port 324, an inner extension surface 325, an inner water falling port 326 and a flue gas flow channel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be clear that the terms "vertical", "horizontal", "longitudinal", "front", "rear", "left", "right", "up", "down", "horizontal", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention, and do not mean that the device or element referred to must have a specific orientation or position, and thus, cannot be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the utility model provides a flue gas purification system, is used for purifying the flue gas that discharges from the system of discharging fume, as shown in fig. 1, including fan 1, protection dustcoat subassembly 2, purification subassembly 3, flue extension tube 4 and control assembly 5, fan 1 and purification subassembly 3 all set up in protection dustcoat subassembly 2, and fan 1 is located purification subassembly 3 top, the lower extreme of flue extension tube 4 is connected with the flue of the system of discharging fume, and the upper end is connected with purification subassembly 3; the control component 5 is connected with the fan 1 and the purification component 3; the control component 5 obtains the number of the range hoods in the working state, and controls the concentration of the cleaning liquid in the purification component 3 according to the number so as to purify the flue gas discharged from the flue extension pipe 4;

specifically, the upper surface of the protective outer cover assembly 2 is constituted by a protective net;

thus, by adopting the structure, the flue gas purification system is connected with the outlet of the common flue, when the control component 5 detects that the range hood works, the flue gas is discharged into the flue extension pipe 4 from the common flue under the action of the fan 1, then the purification component 3 adjusts the concentration of the cleaning liquid according to the number of the range hoods in a working state, the flue gas discharged from the flue extension pipe 4 is purified by the cleaning liquid with the concentration, and the purified flue gas is discharged through the protective outer cover component 1;

in the embodiment, the cleaning liquid is used for purifying the flue gas, and compared with the traditional method of purifying the flue gas through a filter screen, the cleaning liquid does not cause obstruction to the flue gas, so that the smoke exhaust effect is not influenced; in addition, the concentration of the cleaning liquid in the embodiment is adjusted along with the number of the range hoods in the working state, and the range hoods have pertinence.

In a specific embodiment:

the purification assembly 3 comprises a cleaning unit 31, a waterproof unit 32 and a sewage collecting unit 33, the cleaning unit 31 is positioned above the waterproof unit 32, the flue extension pipe 4 is positioned below the waterproof unit 32 and is covered by the waterproof unit 32, the sewage collecting unit 33 is fixed below the waterproof unit 32, and two ends of the sewage collecting unit 33 extend out of the waterproof unit 32 to receive sewage cleaned by the cleaning unit 31;

thus, with the above structure, the flue gas is cleaned by the cleaning unit 31, and the waterproof unit 32 is provided, so that the cleaning solution does not flow to the flue of the smoke exhaust system through the flue extension pipe 4, but flows to the sewage collection unit 33 along the gap between the waterproof unit 32 and the protective cover assembly 1.

In one embodiment:

as shown in fig. 3 and 4, the waterproof unit 32 is a top shell structure, the bottom of the flue extension pipe 41 is connected with a flue of the smoke exhaust system, the upper end of the flue extension pipe is located in the top shell structure, the top shell structure includes a body 321 with a narrow upper part and a wide lower part, the bottom of the body 321 extends around to form an outer extension surface 322, an outer water falling port 323 is arranged on the outer extension surface 322, the bottom of the body 321 extends towards the center to form an inner extension surface 324, an inner water falling port 325 is arranged on the inner extension surface 324, and a flue gas flow channel 326 is further arranged on the side surface of the body 321;

it should be noted that: the top of the flue extension pipe 41 needs to be higher than the plane where the flue gas flow passage 326 is located, and is generally higher than 20 mm;

the top shell structure is arranged to ensure that the flue gas can be smoothly discharged, and ensure that sewage (or rainwater) cannot flow into the flue extension pipe 41;

in the top shell structure of this structure, the flow direction of the flue gas is as shown by the arrows in fig. 5:

after the flue gas flows out of the top of the flue extension pipe 41, the flue gas is limited by the top shell at the upper end, so that the flue gas can diffuse around, and then flows into the space between the protective outer cover assembly 1 and the flue extension pipe 4 through the flue gas flow channels 326 arranged around, and the flue gas can be discharged upwards from the protective net on the upper surface because the periphery of the protective outer cover assembly 1 is provided with the baffles and only the upper surface is provided with the protective net;

in the top shell structure of this structure, the flow sequence of the sewage or rainwater after cleaning is:

sewage or rainwater enters from the protective net on the upper surface of the protective outer cover component 1, diffuses along the upper surface of the top shell to the periphery, and then flows downwards along the side surface, and the sewage or rainwater on the side surface flows into the sewage collecting unit 33 through the outer water falling port 323 arranged on the outer extension surface 322; of course, part of the rainwater or sewage flowing into the top shell through the flue gas flow channel 326 will flow into the sewage collecting unit 33 through the inner water falling port 325 formed on the inner extension surface 324; in this way, the collection of sewage and rainwater is achieved.

In a specific embodiment:

as shown in fig. 2, the cleaning unit 31 includes a stock solution module 311, a clean water module 312, a solution mixing tank 313, a cleaning pump 314 and a spray head 315, wherein the stock solution module 311 and the clean water module 312 are both communicated with the solution mixing tank 313, an input end of the cleaning pump 314 is connected with the solution mixing tank 313, and an output end is connected with the spray head 315;

specifically, the stock solution module 311 is filled with stock solution, the clear water module 312 is filled with tap water, the stock solution and the tap water are mixed in the solution mixing tank 313, the mixed solution is guided to the spray head 315 under the action of the cleaning pump 314, and the solution is sprayed from the spray head 315 to purify the flue gas.

In order to better realize sewage collection, the sewage collection unit 33 includes a sewage collection tray 331, a sewage pump 332, a sewage collection tank 333, and a volumetric meter 334, wherein one end of the sewage pump 332 is connected with the sewage collection tray 331, the other end is connected with the sewage collection tank 333, and the volumetric meter 334 is arranged in the sewage collection tray 331;

in this way, when the volume meter 334 detects that the amount of sewage in the sewage tray 331 reaches a certain amount, the sewage pump 332 operates to drain the sewage to the external sewage collection tank 333 for treatment.

In order to achieve automation of the flue gas cleaning, in one of the embodiments:

as shown in fig. 6, the control assembly 5 includes a fan controller 51, a raw liquid controller 52, a sewage controller 53, a communication module 54, a power supply module 55 and a main control board 56, and the fan controller 51, the raw liquid controller 52, the sewage controller 53, the communication module 54 and the power supply module 55 are all connected to the main control board 56;

the communication module 54 is used for receiving the working state of each range hood in the smoke exhaust system and transmitting the working state to the main control board 56;

the main control board 56 counts the number of all the range hoods in the working state, and controls the rotation speed of the fan 1 through the fan controller 51 based on the number, specifically, the principle of rotation speed control is generally increased along with the increase of the number of the range hoods in the working state until the fan 1 runs to the maximum rotation speed;

meanwhile, the main control board controls the flow rate of the stock solution in the stock solution module 311 according to the number of the range hoods in the working state, so as to change the concentration of the solution in the solution mixing box 313.

In addition, because the flue gas purification system provided by this embodiment can also collect rainwater through the sewage collection unit 33, in order to distinguish whether the collected liquid is rainwater or sewage after cleaning, the sewage collection unit 33 further includes a rainwater pump 335 connected to the sewage collection tray 331, and the rainwater pump 335 is connected to the rainwater tank 336;

because the chemical compositions of the rainwater and the sewage are different, the subsequent treatment processes of the rainwater and the sewage are different, and the targeted treatment is realized in this way.

However, as to how to determine whether the solution collected in the sewage collecting tray 331 is sewage or rainwater, the present embodiment is so specified:

when the volume meter 334 detects that there is sewage in the sewage collecting tray 331, the control component 5 determines whether the fan 1 is running, if so, it is considered that the sewage (i.e. water generated by cleaning the flue gas) and the sewage pump 332 works, otherwise, it is considered that the rainwater is present and the rainwater pump 335 works.

The working process of the flue gas purification system provided by the embodiment is as follows:

the main control board 56 counts the number of all the range hoods in the working state, and controls the rotation speed of the fan 1 through the fan controller 51 based on the number, specifically, the principle of rotation speed control is generally increased along with the increase of the number of the range hoods in the working state until the fan 1 runs to the maximum rotation speed;

meanwhile, the main control board 56 controls the flow rate of the stock solution in the stock solution module 311 through the stock solution controller 52 based on the number of the range hoods in the working state, so as to change the concentration of the solution in the solution mixing box 313, specifically, the flow rate of the stock solution increases with the increase of the number of the range hoods in the working state, so that the concentration of the solution for cleaning the flue gas increases, and the influence on the purification effect due to too much flue gas is avoided;

the purification component 3 adopts the solution with the concentration to purify the flue gas, and specifically comprises the following steps: the mixed solution is led to the spray head 315 under the action of the cleaning pump 314, and the solution is sprayed from the spray head 315, so that the purification of the flue gas is realized;

the sewage generated after purification is collected by the waterproof unit 32 and the sewage collecting unit 33, specifically: sewage enters from the protective net on the upper surface of the protective housing component 1, diffuses around along the upper surface of the top shell, and then flows downwards along the side surfaces, and the sewage on the side surfaces flows into the sewage collecting unit 33 through the outer water falling ports 323 arranged on the outer extension surfaces 322; of course, part of the sewage flowing into the top shell through the flue gas channel 326 will flow into the sewage collecting unit 33 through the inner water falling port 325 formed on the inner extension surface 324; in this way, the collection of the sewage is realized;

in the sewage collecting unit 33, when the volume meter 334 detects that the amount of the sewage in the sewage tray 331 reaches a certain amount, the sewage pump 332 operates to drain the sewage to the external sewage collecting tank 333 for treatment.

In the embodiment, the cleaning liquid is used for purifying the flue gas, and compared with the traditional method of purifying the flue gas through a filter screen, the cleaning liquid does not cause obstruction to the flue gas, so that the smoke exhaust effect is not influenced; the concentration of the cleaning liquid in the embodiment is also adjusted along with the number of the range hoods in the working state, and the range hoods have pertinence.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (7)

1. A flue gas purification system is used for purifying flue gas exhausted from a smoke exhaust system and is characterized by comprising a fan (1), a protective outer cover component (2), a purification component (3), a flue extension pipe (4) and a control component (5), wherein the fan (1) and the purification component (3) are arranged in the protective outer cover component (2), the fan (1) is positioned above the purification component (3), the lower end of the flue extension pipe (4) is connected with a flue of the smoke exhaust system, and the upper end of the flue extension pipe is connected with the purification component (3); the control component (5) is connected with the fan (1) and the purification component (3); the control assembly (5) acquires the number of the range hoods in the working state, and the concentration of the cleaning liquid in the purification assembly (3) is controlled according to the number so as to purify the flue gas discharged from the flue extension pipe (4).

2. The flue gas purification system according to claim 1, wherein the purification assembly (3) comprises a cleaning unit (31), a waterproof unit (32) and a sewage collection unit (33), the cleaning unit (31) is located above the waterproof unit (32), the flue extension pipe (4) is located below the waterproof unit (32) and covered by the waterproof unit (32), the sewage collection unit (33) is fixed below the waterproof unit (32) and two ends of the sewage collection unit extend out of the waterproof unit (32) for receiving sewage after being cleaned by the cleaning unit (31).

3. The flue gas purification system according to claim 2, wherein the waterproof unit (32) is a top shell structure, the bottom of the flue extension pipe (4) is connected with the flue of the flue gas exhaust system, the upper end of the flue extension pipe is located in the top shell structure, the top shell structure comprises a body (321) with a narrow upper end and a wide lower end, the bottom of the body (321) extends around to form an outer extension surface (322), an outer water falling port (323) is formed in the outer extension surface (322), the bottom of the body (321) extends towards the center to form an inner extension surface (324), an inner water falling port (325) is formed in the inner extension surface (324), and a flue gas flow channel (326) is further formed in the side surface of the body (321).

4. A flue gas purification system according to claim 2 or 3, wherein the cleaning unit (31) comprises a raw liquid module (311), a clean water module (312), a solution mixing tank (313), a cleaning pump (314) and a spray head (315), wherein the raw liquid module (311) and the clean water module (312) are both communicated with the solution mixing tank (313), the input end of the cleaning pump (314) is connected with the solution mixing tank (313), and the output end is connected with the spray head (315).

5. A flue gas cleaning system according to claim 4, wherein the sewage collection unit (33) comprises a sewage collection tray (331), a sewage pump (332), a sewage collection tank (333), and a volume meter (334), wherein one end of the sewage pump (332) is connected with the sewage collection tray (331) and the other end is connected with the sewage collection tank (333), and the volume meter (334) is arranged in the sewage collection tray (331).

6. The flue gas purification system according to claim 5, wherein the control assembly (5) comprises a fan controller (51), a raw liquid controller (52), a sewage controller (53), a communication module (54), a power supply module (55) and a main control board (56), and the fan controller (51), the raw liquid controller (52), the sewage controller (53), the communication module (54) and the power supply module (55) are all connected with the main control board (56).

7. A flue gas cleaning system according to claim 6, wherein the effluent collecting unit (33) further comprises a rainwater pump (335) connected to the effluent collecting tray (331), the rainwater pump (335) being connected to a rainwater tank (336).

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