CN210832339U - Toilet uses energy-conserving new trend system - Google Patents

Abstract

The utility model relates to an energy-saving fresh air system for a clean room, comprising an air purifying device and an air drying device. The air purifying device is provided with a sealed filtering water tank, and a first fresh air supply pipe is arranged on the inner side of the filtering water tank. One end of the air supply pipe is connected with a fresh air intake area, and the other end of the first fresh air supply pipe extends under the liquid level of the filtered water tank. The fresh air system of the utility model can perform primary effect filtration on the fresh air without disassembling and cleaning.

Description

An energy-saving fresh air system for clean room

technical field

The utility model relates to a fresh air system, in particular to an energy-saving fresh air system for a clean room.

Background technique

The fresh air system is based on the use of special equipment on one side of the closed room to send fresh air to the room, and then from the other side of the special equipment to discharge it to the outside, forming a "fresh air flow field" indoors, so as to meet the needs of indoor fresh air ventilation. A clean room is a well-tight space where parameters such as air cleanliness, temperature, humidity, pressure, and noise are controlled as needed. The clean environment is for the production process, and the clean room design must meet the environmental requirements of the production process, due to the environmental requirements of the precision machinery industry (such as gyroscope, micro-bearings, etc.), the semiconductor industry (such as large-scale integrated circuit production), etc. , to promote the development of clean room technology. At present, it is quite common to use clean rooms in industries such as precision machinery, semiconductors, aerospace, and atomic energy.

Clean room occupies a pivotal position in modern production technology. In the air filtration and purification device of clean room, primary filter, medium efficiency filter and high efficiency filter are usually set. For solid particles above 1 micron, the filtration efficiency is generally about 20%-80%; for solid particles above 1 micron, the filtration efficiency is about 20%-70%; for solid particles above 0.5 microns, the high-efficiency filter filters The efficiency can even reach about 99%. In the existing air filtration and purification devices, the primary filter usually adopts metal mesh, non-proof cloth, nylon mesh, etc., or uses electrostatic precipitator motor to filter and remove large particles of solid impurities. However, after the primary filter works for a long time, a large amount of dust will accumulate on the filter screen of the primary filter, which needs to be removed and cleaned frequently, which is very troublesome.

Utility model content

The purpose of the utility model is to provide an energy-saving fresh air system for a clean room, and the fresh air system can filter the fresh air without disassembling and cleaning through the air purifying device.

The above purpose of the present invention is achieved through the following technical solutions: an energy-saving fresh air system for a clean room, including an air purification device and an air drying device, the air purification device is provided with a sealed filter water tank, one side of the filter water tank is There is a first fresh air supply pipe, one end of the first fresh air supply pipe is connected with a fresh air intake area, the other end of the first fresh air supply pipe extends under the liquid level of the filter water tank, and the top surface of the filter water tank is provided with a fresh air discharge pipe , and one end of the fresh air discharge pipe is connected to the air drying device.

By adopting the above technical solution, the fresh air in the fresh air suction area can be filtered by the filter water tank to remove the large particles of dust in the fresh air, so that the fresh air can achieve the filtration effect of the primary filter, and avoid removing the primary filter multiple times during use to reduce dust. Flowing in the fresh air system, the air drying device can remove the moisture in the purified water and control the humidity of the fresh air entering the fresh air system.

Preferably, the filtered water tank includes a first filtered water tank and a second filtered water tank, a partition is provided at the connection between the first filtered water tank and the second filtered water tank, and the upper end of the partition is connected with a second fresh air supply pipe, and the second fresh air The other end of the air supply pipe extends under the liquid level of the second filtered water tank, the fresh air discharge pipe is connected to the top surface of the second filtered water tank, the top surface of the second filtered water tank is provided with a second water inlet pipe, and the bottom surface of the second filtered water tank A second drain pipe is provided; the top surface of the first filtered water tank is provided with a first water inlet pipe, and the bottom surface of the first filtered water tank is provided with a first drain pipe, a first water inlet pipe, a second water inlet pipe, a first drain pipe and a second water inlet pipe. Drain pipes are equipped with control valves.

By adopting the above technical solution, after a period of use, the water in the filtered water tank is relatively turbid, and when the filtered water needs to be replaced regularly, the water in the first filtered water tank can be replaced by controlling the first water inlet pipe and the first drain pipe. The water in the second filtered water tank can also be replaced, and at the same time, this method can also ensure that the fresh air system can always be in a working state, and the operation of the fresh air system can also be maintained all the time without being completely shut down.

Preferably, the first fresh air supply pipe extends vertically into the bottom end of the first filtered water tank, and the second fresh air supply pipe extends vertically into the bottom end of the second filtered water tank.

By adopting the above technical solution, it is ensured that the fresh air entering the first filtered water tank and the second filtered water tank can be fully filtered in the water to remove large particles of solids in the fresh air.

Preferably, the connection between the first water inlet pipe and the first filtered water tank and the connection between the second water inlet pipe and the second filtered water tank are provided with water spray heads.

By adopting the above technical solution, the water sprayed by the water spray head can clean the inner walls of the first filtered water tank and the second filtered water tank, effectively reducing the accumulation of dust in the first filtered water tank and the second filtered water tank.

Preferably, the upper part of the second filtered water tank is provided with a medium-efficiency filter, the medium-efficiency filter is located between the second fresh air supply pipe and the water spray head, and the size of the side of the medium-efficiency filter facing the second filtered water tank, The shape corresponds to the size and shape of the section where the medium-efficiency filter is arranged in the second filtered water tank.

By adopting the above technical solution, the medium-efficiency filter can filter the fresh air passing through the second filter water tank again, reducing the dust content in the fresh air, and at the same time, the water spray head plays a role in cleaning the medium-efficiency filter.

Preferably, the air drying device is filled with a desiccant.

By adopting the above technical solution, the fresh air filtered by the second filter water tank is dried, the moisture in the fresh air is reduced, the humidity of the fresh air is reduced, and the humidity of the fresh air entering the clean room is controlled within a certain range.

Preferably, the air drying device includes a first drier and a second drier, the first drier and the second drier are connected in parallel, and both ends of the first drier and the second drier are respectively connected with control valves for controlling gas switches.

By adopting the above technical solution, the first dryer and the second dryer can dry the fresh air at the same time, and at the same time, when the first dryer absorbs a large amount of water, the control valve of the gas at both ends of the first dryer can be closed, The fresh air can be dried by the second dryer without affecting the air intake effect of the fresh air system.

Preferably, the desiccant is silica gel or active anhydrous copper sulfate.

By adopting the above technical scheme, the silica gel or active anhydrous copper sulfate that adsorbs a large amount of water can be used for many times after heating and drying, so as to realize the reuse of resources by utilizing the characteristics of silica gel and active anhydrous copper sulfate.

Preferably, both the first dryer and the second dryer are sheathed with heaters, and the upper ends of the first dryer and the second dryer are both provided with air outlets.

By adopting the above technical solution, without moving the first dryer and the second dryer, one of the dryers can be heated to evaporate the water in the desiccant, which is convenient for the reuse of the desiccant.

Preferably, a flocculant is added to the first filtered water tank and the second filtered water tank.

By adopting the above technical solutions, the flocculant can aggregate the large impurities in the air purification device, and at the same time, it can also aggregate the scum in the air purification device to form clusters, which are discharged out of the air purification device through the drain pipe.

To sum up, the beneficial technical effects of the present utility model are:

1. The fresh air in the fresh air suction area can be filtered by the first filter water tank and the second filter water tank to remove the large particles of dust in the fresh air. When using, avoid removing the primary filter multiple times to reduce the flow of dust in the air inlet system. , the air drying device removes the water vapor in the purified water.

2. After using for a period of time, the water in the filtered water tank is relatively turbid. When the filtered water needs to be replaced regularly, the water in the first filtered water tank can be replaced by controlling the first water inlet pipe and the first drain pipe. Second, the water in the water tank is filtered, and at the same time, this method can also ensure that the fresh air system can always be in a working state, and the operation of the fresh air system can always be maintained without being completely closed.

3. The flocculant can aggregate the large particles of impurities in the air purification device, and can also aggregate the scum in the air purification device to form a cluster-like substance, which is discharged out of the air purification device through the drain pipe.

Description of drawings

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

Reference numerals: 11, the first filtered water tank; 111, the first water inlet pipe; 112, the first drain pipe; 113, the first fresh air supply pipe; 12, the second filtered water tank; 121, the second water inlet pipe; Second drain pipe; 123, second fresh air supply pipe; 13, partition plate; 14, sprinkler head; 15, medium efficiency filter; 16, feed opening; 17, control valve; 2, fresh air intake area; 3, Fresh air discharge pipe; 41, first dryer; 42, second dryer; 43, heater; 44, air outlet; 5, heat exchange area; 6, fresh air fan; 7, high efficiency filter; 8, fresh air discharge area ; 9. The old air intake area; 10. The exhaust fan.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

1 , an energy-saving fresh air system for a clean room disclosed by the utility model includes an air purification device and an air drying device, the air purification device includes a sealed filter water tank, and the filter water tank includes a first filter water tank 11 and a second filter water tank 12. A partition 13 is provided at the connection between the first filtered water tank 11 and the second filtered water tank 12, and the upper end of the partition 13 is connected with a second fresh air supply pipe 123, so that the first filtered water tank 11 and the second filtered water tank 12 are kept in communication In the state, the other end of the second fresh air supply pipe 123 extends under the liquid surface of the second filtered water tank 12, so that the fresh air and water can fully contact, filter out large particles in the fresh air, and reduce dust from entering the fresh air system. The top of the second filtered water tank 12 is connected with a fresh air discharge pipe 3, and the fresh air discharge pipe 3 is connected with an air drying device.

The side of the first filtered water tank 11 away from the partition 13 is provided with a first fresh air supply pipe 113, one end of the first fresh air supply pipe 113 is connected with the fresh air suction area 2, and the other end of the first fresh air supply pipe 113 extends into the first fresh air supply pipe 113. A filtered water tank 11 below the liquid level. When the water in the first filtered water tank 11 is replaced, the fresh air can enter the second filtered water tank 12 through the second fresh air supply duct 123 to be filtered to remove large particulate matter in the fresh air, and the second filtration can also be realized under the working state of the fresh air system. Replacement of clean water in tank 12.

The top surface of the first filtered water tank 11 is provided with a first water inlet pipe 111 , the first water inlet pipe 111 is provided with a control valve 17 , and the connection between the first water inlet pipe 111 and the first filtered water tank 11 is provided with a plurality of side-by-side water spray heads 14. The water spray head 14 can clean the inner wall of the first filtered water tank 11, and play the role of replacing clean water for the first filtered water tank 11. The bottom surface of the first filtered water tank 11 is provided with a first drain pipe 112. The pipe 112 is provided with a control valve 17 , and the first drain pipe 112 can remove the dirt on the inner wall of the first filtered water tank 11 . Similarly, a second water inlet pipe 121 , a control valve 17 , a water spray head 14 and a second drain pipe 122 with the same function are also provided in the second filtered water tank 12 . In addition, a medium-efficiency filter 15 is arranged between the water spray head 14 of the second filtered water tank 12 and the second fresh air supply pipe 123, and the medium-efficiency filter 15 filtering solid particles above 1 micron can filter the second filtered water tank 12. The fresh air is purified and filtered again to reduce the dust entering the fresh air system. At the same time, the water spray head 14 in the second filter water tank 12 can clean the medium-efficiency filter 15 and remove the particulate matter accumulated in the medium-efficiency filter 15 .

A feed opening 16 is provided on the side of the first filtered water tank 11 away from the partition 13 , and a feed opening 16 is also provided on the side of the second filtered water tank 12 away from the partition 13 . 11 and the second filtered water tank 12 are added with polyaluminum chloride flocculant, which helps to remove scum in the air purification device, aggregates the particulate matter, and effectively removes the particulate matter in the fresh air.

The air drying device includes a first dryer 41 and a second dryer 42, the first dryer 41 and the second dryer 42 are connected in parallel, and the two ends of the first dryer 41 and the second dryer 42 are respectively connected with a control gas switch. Control valve 17. The first dryer 41 and the second dryer 42 are respectively filled with reusable silica gel desiccant, and heaters 43 are provided at the lower ends of the first dryer 41 and the second dryer 42. The upper ends of the two dryers 42 are both provided with an air outlet 44 . When the desiccant in the first dryer 41 absorbs a large amount of moisture, the control valve 17 at both ends of the first dryer 41 is closed, and the fresh air passes through the second dryer 42 to remove moisture, and the humidity of the fresh air entering the clean room can be controlled; 43 is heated and evaporated to remove the moisture in the silica gel desiccant, and the moisture is discharged through the air outlet 44, so that the silica gel can be reused again.

1 , an energy-saving fresh air system for a clean room also includes an old air intake area 9 , a heat exchange area 5 , an exhaust fan 10 , a fresh air fan 6 and a high-efficiency filter 7 . The old air intake area 9 and the exhaust fan 10 are respectively communicated with the heat exchange area 5 . The fresh air fan 6 and the air drying device are respectively communicated with the heat exchange area 5, and the fresh air dried by the air drying device exchanges heat with the old air under the action of the heat exchange area 5, so that the temperature of the fresh air entering the room is kept in a relatively stable state. Improve the utilization of heat and save energy. The high-efficiency filter 7 is communicated with the fresh air fan 6, and the fresh air is discharged to the fresh air discharge area 8 through the high-efficiency filter 7 under the action of the fresh air fan 6 and enters the room. The high-efficiency filter 7 further purifies the fresh air and fills the room with fresh air.

The implementation principle of this embodiment is as follows: when the fresh air system is in use, the fresh air in the fresh air intake area 2 enters the first filtered water tank 11 through the first fresh air supply pipe 113 , and the fresh air is generated under the liquid level of the first filtered water tank 11 . At a certain pressure, when it reaches a certain balance with the surrounding water pressure, the fresh air is discharged out of the liquid surface. At this time, the fresh air enters the second filtered water tank 12 from the second fresh air supply pipe 123, and the fresh air passes through the second filtered water tank 12 again. The filtered fresh air is further purified by the medium-efficiency filter 15. Since the purified fresh air contains a large amount of moisture, the fresh air from the fresh air discharge pipe 3 will pass through the air drying device to remove the moisture in the fresh air and control the water in the fresh air. content. The dried fresh air and the old air exchange heat in the heat exchange area 5, which improves the recovery and utilization of heat energy.

The large particulate matter filtered by the first filtered water tank 11 and the second filtered water tank 12 and the scum on the liquid surface are agglomerated under the action of the flocculant, preventing the large particulate matter from polluting the inner wall of the filtered water tank again. After the air purifying device is used for a period of time, open the first drain pipe 112 to discharge sewage, then open the water spray head 14 in the first filtered water tank 11 to clean the inner wall of the first filtered water tank 11, close the first drain pipe 112, and make the first A filtered water tank 11 stores clean water. Similarly, the second filtered water tank 12 can also realize the cleaning of the inner wall and the replacement of water. When any one of the first filtered water tank 11 and the second filtered water tank 12 is cleaned, the normal operation of the other filtered water tank can be guaranteed. Use to ensure the normal operation of the fresh air system. The medium-efficiency filter 15 further purifies the fresh air in the second filtered water tank 12 , and the water spray head 14 can clean the used medium-efficiency filter 15 .

The first dryer 41 and the second dryer 42 are connected in parallel. When drying one of the dryers by the heater 43, the fresh air can be dried through the other dryer to ensure the normal operation of the fresh air system and absorb a large amount of moisture. It can be used again after removing moisture by heating.

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (10)

1. An energy-saving fresh air system for a clean room, comprising an air purifying device and an air drying device, is characterized in that: the air purifying device is provided with a sealed filter water tank, and one side of the filter water tank is provided with the first fresh air supply pipe (113 ), one end of the first fresh air supply pipe (113) is connected with a fresh air intake area (2), and the other end of the first fresh air supply pipe (113) extends under the liquid level of the filtered water tank, and the top surface of the filtered water tank is provided with fresh air The discharge pipe (3), one end of the fresh air discharge pipe (3) is connected with the air drying device. 2. The energy-saving fresh air system for a clean room according to claim 1, wherein the filtered water tank comprises a first filtered water tank (11) and a second filtered water tank (12), and the first filtered water tank (11) A partition (13) is provided at the connection with the second filtered water tank (12), the upper end of the partition (13) is connected with a second fresh air supply pipe (123), and the other end of the second fresh air supply pipe (123) extends The fresh air discharge pipe (3) is connected to the top surface of the second filtered water tank (12) under the liquid level of the second filtered water tank (12), and the top surface of the second filtered water tank (12) is provided with a second water inlet pipe (121). ), the bottom surface of the second filtered water tank (12) is provided with a second drain pipe (122); the top surface of the first filtered water tank (11) is provided with a first water inlet pipe (111), and the bottom surface of the first filtered water tank (11) is provided with There is a first drain pipe (112), the first water inlet pipe (111), the second water inlet pipe (121), the first drain pipe (112) and the second drain pipe (122) are all provided with control valves (17). 3. The energy-saving fresh air system for a clean room according to claim 2, wherein the first fresh air supply pipe (113) extends vertically into the bottom end of the first filtered water tank (11), and the second The fresh air supply pipe (123) extends vertically into the bottom end of the second filtered water tank (12). 4. The energy-saving fresh air system for a clean room according to claim 3, characterized in that: the connection between the first water inlet pipe (111) and the first filtered water tank (11) and the second water inlet pipe (121) A water spray head (14) is provided at the connection with the second filtered water tank (12). 5. The energy-saving fresh air system for a clean room according to claim 4, characterized in that: the upper part of the second filter water tank (12) is provided with a medium-efficiency filter (15), and the medium-efficiency filter (15) Located between the second fresh air supply pipe (123) and the water spray head (14), the size and shape of the side of the medium-efficiency filter (15) facing the second filtered water tank (12) are set with the second filtered water tank (12) The size and shape of the section where the medium-efficiency filter (15) is located corresponds to. 6 . The energy-saving fresh air system for a clean room according to claim 1 , wherein the air drying device is filled with a desiccant. 7 . 7. An energy-saving fresh air system for a clean room according to claim 6, characterized in that: the air drying device comprises a first dryer (41) and a second dryer (42), the first dryer (41) and the The second dryers (42) are connected in parallel, and the two ends of the first dryer (41) and the second dryer (42) are respectively connected with control valves (17) for controlling gas switches. 8 . The energy-saving fresh air system for a clean room according to claim 7 , wherein the desiccant is silica gel or active anhydrous copper sulfate. 9 . 9 . The energy-saving fresh air system for a clean room according to claim 8 , wherein the first dryer ( 41 ) and the second dryer ( 42 ) are covered with heaters ( 43 ), Air outlets (44) are provided at the upper ends of the first dryer (41) and the second dryer (42). 10 . The energy-saving fresh air system for a clean room according to claim 2 , wherein a flocculant is added to the first filtered water tank ( 11 ) and the second filtered water tank ( 12 ). 11 .

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