CN111473452A - Auxiliary dust removal system for fresh air system - Google Patents

Abstract

The invention belongs to the technical field of air purification, and specifically discloses an auxiliary dust removal system for a fresh air system, comprising an air inlet pipe, the nozzle of the air inlet pipe extends into a dust removal water tank and is hidden in a water body, and is located in the dust removal system. An air outlet pipe for supplying air to the room is arranged on the water tank and above the water body; a water body purification and exchange device is arranged in the dust removal water tank. The purpose is that the water in the dedusting water tank can be exchanged after being adsorbed to a certain extent, so that the dirty water body is discharged and purified, and the clean water body enters the dedusting water tank for continuous use.

Description

Auxiliary dust removal system for fresh air system

technical field

The invention relates to the technical field of air purification, in particular to an auxiliary dust removal system for a fresh air system.

Background technique

Generally, if you live indoors for a long time or get up in the morning, you usually have the habit of opening windows for ventilation, exchanging indoor and outdoor air to ensure air circulation, so that outdoor fresh air flows into the room and replaces the indoor stale air. However, the current air pollution is getting heavier and heavier, posing a great threat to people's health, especially in recent years, PM2.5 in the air often exceeds the standard, so that direct window ventilation will also have a certain negative impact on health.

The fresh air system can effectively exchange indoor and outdoor air, and the fresh air system has its own heat exchanger to ensure that the temperature of the air entering the room is not too low; the heat exchanger on the fresh air system is usually provided with air dust removal It filters the air entering the room, but this type of dust removal device has a certain degree of saturation. When the dust removal device is saturated and cannot continue to remove dust, the fresh air system needs to be closed for cleaning, and it can be used after the cleaning is completed; and When the dust removal device is saturated, if the cleaning is not timely or forgotten, the air entering the room cannot continue to effectively remove the dust.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention provides an auxiliary dust removal system for a fresh air system.

In order to achieve the above purpose, the technical solution adopted in the present invention is: including an air inlet pipe, the nozzle of the air inlet pipe extends into the dedusting water tank and is submerged in the water body, and is located on the dedusting water tank and above the water body. There is an air outlet pipe for supplying air to the room; a water purification and exchange device is arranged in the dedusting water tank.

Preferably, the water purification and exchange device comprises a water storage bin, a dust bin and a purification bin which are arranged from top to bottom in the dedusting water tank. The electromagnetic valve is connected, and the purification bin is communicated with the water storage bin through a water pump and a return pipe; the nozzle extends into the water body of the dust bin, and the air outlet pipe is located on the side wall of the bin; the purification bin is provided with a In the purification device, the first solenoid valve and the second solenoid valve are electrically connected with the controller.

Preferably, the nozzle is in the shape of a trumpet, and a porous plate or a screen is arranged at the nozzle.

Preferably, a water body retention device capable of retaining part of the water body is provided at the nozzle of the air inlet pipe.

Preferably, the water body temporary device includes a temporary box fixedly connected to the air inlet pipe, the opening of the temporary box is upwardly sleeved on the outer side of the nozzle of the air inlet pipe, and the symmetrical two side walls of the temporary box are arranged on the upper side. A through hole is provided, and an opening and closing mechanism for opening/closing the through hole is arranged on the through hole.

Preferably, the opening and closing mechanism is a movable plate slidably connected with the temporary box, and the upper end of the movable plate is connected to float.

Preferably, the water body temporary device includes a temporary disk fixedly connected to the bottom of the dust removal bin, a temporary sleeve is movably connected to the temporary disk, and the temporary sleeve is sleeved on the outside of the nozzle of the air inlet pipe , the temporary sleeve is separated from the temporary disk, and the upper end of the temporary sleeve is connected to float.

Preferably, an annular water pipe is fixedly connected in the dust removal chamber and above the water body, the annular water pipe is located on the lower side of the air outlet pipe, the annular water pipe is communicated with the water storage chamber through a miniature water pump, and the annular water pipe is fixedly connected to several nozzles. Each of the spray heads faces the direction of the side wall of the dedusting water tank.

Preferably, the bottoms of the water storage bin and the dust bin are funnel-shaped.

A method for dedusting by utilizing an auxiliary dedusting device of a fresh air system, the steps of which are:

1) Before use, pour water into the water storage tank and the dust removal box in the dust removal tank, and reach the maximum water level line in the water storage tank and the dust removal box;

2) Manually set the opening and closing interval time of the first solenoid valve and the second solenoid valve;

3) Running the fresh air system, after the manually set second solenoid valve opening time arrives, the second solenoid valve is opened, and the annular water pipe starts to spray water to clean the side wall of the dust removal bin;

4) After the dedusting bin is drained, water remains in the water retention device, and the water body does not pass through the nozzle to ensure that the air entering the dedusting bin is always in a state of being purified and adsorbed;

5) After the drainage of the dust removal bin is completed, the second solenoid valve is closed and the first solenoid valve is opened, so that all the clean water in the water storage bin flows into the dust removal box;

6) After the water in the water storage tank completely flows into the dust removal box, the first solenoid valve is closed, and the water in the purification bin is discharged into the water storage tank;

7) After the fresh air system runs to the set time, an alarm will be given, and the operator can replace the new water and clean the purification device according to the usage of the water body.

The advantages of the present invention are: 1. By setting the dust removal water tank at the indoor air inlet, the air entering the room can be dedusted by the dust removal water tank again, and the dust or dust in the air can be adsorbed into the water through the water, and the fresh air can be strengthened. The dust removal effect of the system; 2. The water in the dust removal tank can be exchanged after being adsorbed to a certain extent, so that the dirty water body is discharged and purified, and the clean water body enters the dust removal water tank for continuous use; 3. When the heat exchanger of the fresh air system When the filter device needs to be dedusted, the filter screen can be taken out without closing the fresh air system, and the air entering the room directly enters the dedusting water tank for dedusting, which ensures the continuous operation of the fresh air system.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Figure 2 is a left side view of the persistence box;

FIG. 3 is a schematic diagram of the structure of the temporary sleeve and the temporary disk.

In the picture: 1-dust removal tank; 2-air inlet pipe; 21-pipe; 22-perforated plate; 23-connecting column; 3-air outlet pipe; 4-water storage bin; 41-inner ring; 42-first solenoid valve ;5-dust bin;51-ring water pipe;52-spray head;53-retention box;54-movable plate;55-floating;56-through hole;57-second solenoid valve;58-retention sleeve;59 - Temporary tray; 6 - Purification chamber; 61 - Purification device; 62 - Return pipe; 7 - Soft rope.

Detailed ways

The invention belongs to the technical field of air purification, and in particular relates to an auxiliary dust removal system of a fresh air system.

As shown in Figure 1, it is an auxiliary dust removal system of the fresh air system. The auxiliary dust removal system is located upstream of the heat exchanger of the fresh air system. It can be hung on the indoor wall or hidden inside the wall but is easy to operate. The auxiliary dust removal device It can be used for dust removal alone or together with the filter device in the heat exchanger to achieve the effect of dust removal.

The auxiliary dust removal device includes an air inlet pipe 2, the nozzle 21 of the air inlet pipe 2 extends into the dedusting water tank 1 and is hidden in the water body, and the air entering from the outside directly enters the water body through the air inlet pipe 2, The dust attached to the air is adsorbed into the water body through the water body to achieve the effect of dust removal; an air outlet 3 for supplying air to the room is arranged on the dust removal water tank 1 and above the water body. After the air is filtered in the water body, The clean air is discharged to the outside of the water and sent into the room through the air outlet 3; the water purification and exchange device is provided in the dedusting water tank 1. When the water in the dedusting water tank 1 becomes dirty due to the adsorption of dust, it can be purified by the water. The exchange device is purified. At this time, the clean water stored in the water purification and exchange device enters the dedusting water tank 1 to continue dedusting, while the dirty water is purified and stored in the water purification and exchange device for use.

The water purification and exchange device includes a water storage bin 4, a dust bin 5 and a purification bin 6 arranged from top to bottom in the dust removal tank 1. The water storage bin 4 and the dust bin 5, the dust bin 5 and the purification bin 6 pass through the first The solenoid valve 42 is communicated with the second solenoid valve 57, and the purification chamber 6 is communicated with the water storage chamber 4 through a water pump and a return pipe 62; the nozzle 21 extends into the water body of the dust removal chamber 5, and the air outlet pipe 3 is located in the dust removal chamber. On the side wall of the bin 5; the purification bin 6 is provided with a purification device 61, and the first solenoid valve 42 and the second solenoid valve 57 are electrically connected to the controller. It can be understood that when the outdoor air enters, it directly enters the water body in the dust removal bin 5 through the air inlet pipe 2 for adsorption and dust removal, and the purified air is sent into the room from the air outlet pipe 3, and the air outlet pipe 3 is located at Above the water body in the dust removal chamber 5, there is a distance from the water body, and the water body in the dust removal chamber 5 will not flow upward into the air outlet duct 3; when the water body in the dust removal chamber 5 purifies the air for a period of time (the time can be Air quality is set by yourself), the second solenoid valve 57 is opened, and all the dirty water in the dust removal chamber 5 falls into the purification chamber 6; after all the water in the dust removal chamber 5 flows out, the second solenoid valve 57 is closed, and the first electromagnetic The valve 42 is opened, so that the clean water stored in the water storage bin 4 flows into the dust removal bin 5 to continue the purification work; after all the clean water in the water storage bin 4 flows out, the first solenoid valve 42 is closed, and after purification by the purification device 61 Due to the action of the water pump, the clean water body is sent to the water storage tank 4 for storage for the next use. The lower surfaces of the water storage bin 4 and the dust removal bin 5 are inclined downward, so that the water in the water storage bin 4 and the dust removal bin 5 can flow out completely.

A turbidity sensor can also be set in the dust removal bin 5, and the turbidity sensor is connected to the controller. When the turbidity sensor detects that the water in the dust removal bin 5 has reached the turbidity standard, the signal is transmitted to the controller, and the controller first controls the first. The second solenoid valve 57 is opened, so that the turbid water body in the dust removal chamber 5 completely flows into the purification chamber 6. After the water in the dust removal chamber 5 completely flows out, the second solenoid valve 57 is closed; at this time, the controller controls the first solenoid valve again. 42 is turned on, the clean water stored in the water storage bin 4 flows into the dust removal bin 5, and the replacement of the water body is completed; when the first solenoid valve 42 is closed, the controller controls the water pump to start to work, so that the dirty water in the purification bin 6 passes through the purification device 61. After purification, it flows into the water storage bin 4 and is stored for the next exchange.

The nozzle 21 is trumpet-shaped, and a porous plate or a screen 22 is disposed at the nozzle 21 . The trumpet-shaped nozzle 21 can make the largest area of the air entering the air inlet pipe 2 contact the water body in the dust removal bin 5 to achieve the effect of dust removal; the perforated plate or screen 22 arranged at the nozzle 21 can be thinned And cut the air entering the water body to avoid large bubbles in the air entering the water body.

A water body retention device capable of retaining part of the water body is arranged on the nozzle of the air inlet pipe 2 . When the water body in the dust removal chamber 5 needs to be exchanged after it becomes dirty, the second solenoid valve 57 is opened so that all the dirty water body flows into the purification chamber 6, and the water body temporary device can retain a small part of the water body at this time, so that the nozzle 21 is always in the water body, and the incoming air is always in a purified state, ensuring a continuous state of air purification and dust removal.

As shown in FIG. 2 , the water body retention device includes a retention box 53 fixedly connected with the air inlet pipe 2 , the temporary retention box 53 is sleeved on the nozzle of the air inlet pipe 2 with an opening upward, and the temporary retention box 53 passes through the air inlet pipe 2 . The connecting column 23 is fixedly connected with the air inlet pipe 2 to ensure the stability of the temporary box 53. The symmetrical two side walls of the temporary box 53 are provided with through holes 56, and the through holes 56 are provided with through holes for opening/ Closed opening and closing mechanism. When there is water in the dust removal chamber 5, the through hole 56 is in an open state, and the water in the temporary storage box 53 communicates with the water in the dust removal chamber 5; when the water in the dust removal chamber 5 flows into the purification chamber 6, the through hole 56 is opened. 56 is in the closed state, and a small part of the water body is retained in the temporary box 53 at this time, so that this small part of the water body will not flow into the purification chamber 6 together with the water body in the dust removal chamber 5, and the nozzle 21 is always in this state. In a small part of the water body, the through hole 56 is not opened again until the clean water body in the water storage bin 4 flows into the dust removal bin 5 .

The opening and closing mechanism is a movable plate 54 slidably connected with the temporary box 53 , and the upper end of the movable plate 54 is connected with the float 55 . The buoyancy of the float 55 is the buoyancy that can make the movable plate 54 be pulled up. When there is water in the dust removal chamber 5, the float 55 is always above the water surface due to buoyancy. At this time, the movable plate 54 connected to the float 55 is due to the float 55 The buoyancy is pulled up, so that the through hole 56 is in an open state; when the water body in the dust removal chamber 5 becomes dirty and needs to be replaced, the dirty water body falls into the purification chamber 6, the float 55 loses its buoyancy, and the movable plate 54 has its own And the gravity of the float 55 falls, so that the through hole 56 is in a closed state, and the water body is temporarily kept in the temporary box 53 . After the water in the dust removal chamber 5 flows out, the clean water in the water storage chamber 4 will flow into the dust removal chamber 5 immediately, so the water in the temporary box 53 does not need to be kept for a long time. The sealing can ensure that the water in the temporary box 53 flows out slowly; the movable plate 54 can be slidably connected to the groove formed on the side wall of the temporary box 53. Make the water body in the temporary box 53 flow out as little as possible.

As shown in FIG. 3 , which is another embodiment of the water body temporary device, the water body temporary device includes a temporary disk 59 fixedly connected to the bottom of the dust removal bin 5 , and a temporary sleeve is movably connected to the temporary disk 59 . The temporary sleeve 58 is sleeved on the outside of the nozzle 21 of the air inlet duct 2 , the temporary sleeve 58 is separated from the temporary disk 59 , and the upper end of the temporary sleeve 58 is connected to the float 55 . The temporary sleeve 58 and the temporary disk 59 are connected together by several soft ropes 7. When the water in the dust removal bin 5 flows out, the float 55 moves downward with the outflow of the water body, so that the float 55 is carried upward. The temporary sleeve 58 falls into the temporary disk 59, the diameter of the temporary disk 59 is larger than the diameter of the temporary sleeve 58, and the four peripheries of the temporary disk 59 protrude upward to form a space that can prevent the outflow of water, Even if the seal between the temporary disk 59 and the temporary sleeve 58 is not sealed, the upwardly protruding edge of the temporary disk 59 can block a part of the water body, so that all the clean water in the water storage tank 4 flows into the dust removal tank 5 There is a certain distance between the nozzle 21 and the temporary sleeve 58, and this distance can ensure that after the air enters the water body, it can emerge from the gap between the nozzle 21 and the temporary sleeve 58, It can also emerge from the water body outside the temporary sleeve 58 to avoid the small air bubbles that have been cut, and gather into large air bubbles again, and the small air bubbles are distributed more evenly.

In the dedusting water tank 1, an annular water pipe 51 is fixedly connected above the water body. The annular water pipe 51 is located on the lower side of the air outlet pipe 3. The annular water pipe 51 is communicated with the water storage bin 1 through a micro water pump, and the annular water pipe 51 is fixedly connected below. There are several spray heads 52 , each of which faces the side wall direction of the dust removal water tank 1 . When the dirty water in the dust removal chamber 5 flows into the purification chamber 6, some dirty dirt will remain on the side wall of the dust removal chamber 5. At this time, the micro water pump is electrically connected with the controller, so that the micro water pump is turned on and starts to spray water. , the dirt on the side wall of the dust removal bin 5 is washed off, and the contact area between the water and the air to be treated is also increased, and the dust is further removed.

The water storage bin 4 is annular, and the inner ring 41 of the water storage bin 4 is sleeved on the air inlet pipe 2, so that the water storage bin 4, the dust removal bin 5 and the purification bin 6 are integrated and arranged to reduce the volume.

Specific usage:

1) Before use, inject an appropriate amount of water into the water storage tank 4 and the dust removal box 5 in the dust removal water tank 1, and reach the maximum water level line in the water storage tank 4 and the dust removal tank 5;

2) Manually set the opening and closing interval time of the first electromagnetic valve 42 and the second electromagnetic valve 57; the opening and closing interval time of the first electromagnetic valve 42 and the second electromagnetic valve 57, that is, the water exchange time in the dedusting water tank 1, can be determined according to Set the exchange frequency for the outdoor air quality. When the outdoor air quality is poor, you can set the water exchange frequency to be faster. When the outdoor air quality is relatively good, you can set the water exchange frequency to be slower; or set the turbidity. The turbidity detection standard of the sensor, when the turbidity sensor detects that the water body in the dust removal bin 5 reaches the turbidity standard, it will transmit the signal to the controller to replace the water body;

3) Running the fresh air system, the outdoor air enters the air inlet duct 2, and then enters the dust removal bin 5. After the water body in the dust removal bin 5 is purified and adsorbed, the dust in the air is adsorbed into the water, and the air is discharged from the air outlet duct 3. After a period of time, the controller controls the second solenoid valve 57 to open after the artificially set second solenoid valve 57 opening time is reached, so that the dirty water body flows into the purification chamber 6, and the micro water pump works to make The nozzle 52 on the annular water pipe 51 sprays water on the side wall of the dust removal chamber 5 to wash away the dirt attached to the side wall of the dust removal chamber 5;

4) After the polluted water body in the dust removal bin 5 flows out, a part of the water body is retained in the water body temporary device, and the water body does not pass the nozzle 21 to ensure that the air entering the dust removal bin 5 is always in a state of being purified and adsorbed;

5) After the dedusting bin 5 is drained, the second solenoid valve 57 is closed, and the first solenoid valve 42 is opened, so that all the clean water in the water storage bin 4 flows into the dedusting bin 5 to ensure the continuous dedusting;

6) After the water in the water storage tank 4 completely flows into the dust removal box 5, the first solenoid valve 42 is closed, and the water pump starts to work at this time. Get up for the next water exchange;

7) After the fresh air system runs to the set time, an alarm prompt is given, and the operator can replace the new water and clean the purification device 61 according to the usage of the water body.

The water in the dedusting water tank 1 will be partially lost due to the operation. You can inject clean water into the water storage tank 4 at regular intervals to ensure that the clean water in the water storage tank 4 is kept at the highest water level; you can also replace the water storage tank 4 regularly. The clean water and the cleaning and purifying device 61 ensure the cleanliness of the water body, and the replaced water can be reused for other cleaning at home, such as watering flowers, mopping the floor, flushing toilets, etc.

The above-mentioned embodiments are preferred embodiments, and it should be noted that the above-mentioned preferred embodiments should not be regarded as limitations of the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. For those skilled in the art, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a supplementary dust pelletizing system of new trend system, includes air-supply line (2), its characterized in that: a pipe orifice (21) of the air inlet pipe (2) extends into the dust removal water tank (1) and is submerged in a water body, and an air outlet pipe (3) for supplying air to the indoor is arranged on the dust removal water tank (1) and above the water body; and a water body purification and exchange device is arranged in the dust removal water tank (1).

2. The auxiliary dust removal system of the fresh air system as claimed in claim 1, wherein: the water body purification and exchange device comprises a water storage bin (4), a dust removal bin (5) and a purification bin (6) which are arranged in a dust removal water tank (1) from top to bottom, wherein the water storage bin (4) is communicated with the dust removal bin (5), the dust removal bin (5) is communicated with the purification bin (6) through a first electromagnetic valve (42) and a second electromagnetic valve (57), and the purification bin (6) is communicated with the water storage bin (4) through a water pump and a return pipe (62); the pipe orifice (21) extends into the water body of the dust removal bin (5), and the air outlet pipe (3) is positioned on the side wall of the dust removal bin (5); a purifying device (61) is arranged in the purifying bin (6), and the first electromagnetic valve (42) and the second electromagnetic valve (57) are electrically connected with the controller.

3. The auxiliary dust removal system of the fresh air system as claimed in claim 1, wherein: the pipe orifice (21) is trumpet-shaped, and a perforated plate or a screen (22) is arranged at the position of the pipe orifice (21).

4. An auxiliary dust removal system for a fresh air system according to any one of claims 1 to 3, wherein: and a water body temporary storage device capable of storing part of water body is arranged at the pipe orifice of the air inlet pipe (2).

5. The auxiliary dust removal system of the fresh air system as claimed in claim 4, wherein: the water body temporary storage device comprises a temporary storage box (53) fixedly connected with the air inlet pipe (2), the opening of the temporary storage box (53) is upwards sleeved outside the pipe orifice (21) of the air inlet pipe (2), through holes (56) are formed in two symmetrical side walls of the temporary storage box (53), and an opening and closing mechanism for opening/closing the through holes is arranged on the through holes (56).

6. The auxiliary dust removal system of the fresh air system as claimed in claim 5, wherein: the opening and closing mechanism is a movable plate (54) which is in sliding connection with the temporary storage box (53), and the upper end of the movable plate (54) is connected with a buoy (55).

7. The auxiliary dust removal system of the fresh air system as claimed in claim 4, wherein: the water body temporary storage device comprises a temporary storage disc (59) fixedly connected with the bottom of the dust removal bin (5), a temporary storage sleeve (58) is movably connected to the temporary storage disc (59), the temporary storage sleeve (58) is sleeved on the outer side of a pipe opening (21) of the air inlet pipe (2), the temporary storage sleeve (58) is separated from the temporary storage disc (59), and the upper end of the temporary storage sleeve (58) is connected with a buoy (55).

8. The auxiliary dust removal system of the fresh air system as claimed in claim 2, wherein: in dust removal storehouse (5), water top fixed connection annular water pipe (51), annular water pipe (51) are located the downside of air-out pipe (3), annular water pipe (51) are through miniature pump and reservoir (4) intercommunication, fixed intercommunication several shower nozzle (52), every under annular water pipe (51) shower nozzle (52) towards the lateral wall direction of dust removal water tank (1).

9. The auxiliary dust removal system of the fresh air system as claimed in claim 2, wherein: the bottoms of the water storage bin (4) and the dust removal bin (5) are arranged in a funnel shape.

10. A method for removing dust by using an auxiliary dust removal system of a fresh air system comprises the following steps:

1) before use, water is injected into a water storage bin (4) and a dust removal bin (5) in a dust removal water tank (1) and reaches the maximum water level line in the water storage bin (4) and the dust removal bin (5);

2) manually setting the opening and closing interval time of the first electromagnetic valve (42) and the second electromagnetic valve (57);

3) the fresh air system is operated, after the opening time of the second electromagnetic valve (57) which is manually set is up, the second electromagnetic valve (57) is opened, and meanwhile, the annular water pipe (51) starts to spray water to clean the side wall of the dust removal bin (5);

4) after the dust removal bin (5) is drained, a water body is reserved in the water body temporary storage device and is made to submerge the pipe orifice (21), so that the air entering the dust removal bin (5) is always in a purified and adsorbed state;

5) after the water in the dust removing bin (5) is drained, the second electromagnetic valve (57) is closed, and the first electromagnetic valve (42) is opened, so that all the clean water in the water storage bin (4) flows into the dust removing bin;

6) after the water in the water storage bin (4) completely flows into the dust removal bin (5), the first electromagnetic valve (42) is closed, and the water in the purification bin (6) is discharged into the water storage bin (4);

7) after the fresh air system runs for the set time, the alarm prompt is carried out, and an operator can replace new water according to the use condition of the water body and clean the purification device (61).

Images