Fresh air conditioning unit non-stop condensate drainage trap impurity rapid cleaning device

Abstract

The utility model discloses a fresh air conditioning unit non-stop condensate drainage trap impurity rapid cleaning device which comprises a cylinder body, the cylinder body is respectively communicated with a fresh air conditioning unit condensate water accumulation box and a sewer discharge port, the top of the cylinder body is provided with an opening and closing top cover, the bottom of the cylinder body is provided with a discharge port and a corresponding plug, and the cylinder body is provided with a water inlet and a water outlet. An impurity storage tank is arranged at the bottom in the barrel, and the top edge of the barrel is higher than the upper edge of a condensate drainage outlet of the fresh air conditioning unit. The technical scheme of the utility model has the beneficial effects that impurities and sundries in the condensate trap can be frequently cleaned at any time, the MAU can continuously and normally operate, the humidity, the cleanliness grade and the micro-pressure difference of a dust-free room are stably controlled, and the quality of products produced by wafers is stable; the MAU does not need to be switched and started frequently, and energy consumption is stable; impurities in the trap can be cleaned conveniently and quickly, time and labor are saved, and labor cost is reduced; cleaning is thorough, the cleaning frequency is reduced, and manpower is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipeline impurity cleaning, and in particular relates to a device for quickly cleaning impurities from a condensation drainage trap of a fresh air air-conditioning unit without stopping the machine. Background Art

[0002] A large-scale ultra-clean workshop for integrated circuit chip manufacturing has a large amount of fresh air, many condensed water impurities in the air conditioner, and the condensed water drainage trap is easily blocked, resulting in poor drainage, which leads to unstable air humidity control in the air conditioning unit, and the box plate is prone to corrosion, rust and dust generation, which reduces the air tightness and service life of the MAU and the cleanliness level of the clean room. Therefore, the condensed water trap must be cleaned frequently. At present, when cleaning the impurities in the trap, the machine must be shut down and the standby machine must be turned on, which affects the micro-pressure difference and cleanliness level of the clean room, and affects the quality of the products. If the automatic control equipment, lines, and electrical components fail, the unit cannot switch to operation. Specifically: (1) Turning off the MAU and starting the standby machine will affect the short-term change of the micro-pressure difference in the clean room. For example, if the micro-pressure difference in the clean room is lower than the set value, the air cleanliness level will decrease, which will affect the quality of wafer production; (2) Turning off the MAU and starting the standby machine will increase the motor starting frequency and increase energy consumption; (3) The sewer pipe unblocking artifact cleans the impurities in the water trap, which takes a long time to clean, and the cleaning is not thorough, which is easy to clog later. The cleaning frequency is high and the maintenance labor cost is high; (4) If the air conditioning automatic control system equipment, lines, electrical components, etc. fail, the MAU automatic switching operation cannot be realized, the manual switching operation time is extended, and even misoperation may occur, which seriously affects normal production. Therefore, it is necessary for the wafer fab to add a MAU fresh air air conditioning unit without stopping the condensation drainage water trap impurity quick cleaning device to ensure that the clean room can continuously and stably control the humidity and clean room environment and continuously produce qualified products. Utility Model Content

[0003] In view of this, the purpose of the utility model is to provide a device for quickly cleaning impurities in the condensation drainage trap of a fresh air air-conditioning unit without stopping the machine, so as to solve the deficiencies in the prior art.

[0004] In order to achieve the above object, the utility model is implemented by the following technical solutions:

[0005] Provided is a device for quickly cleaning impurities in a condensate drainage trap of a fresh air air-conditioning unit without stopping the unit, comprising a cylinder body, which is respectively connected to a condensate collection box and a sewer discharge port of the fresh air air-conditioning unit, an opening and closing top cover is provided on the top of the cylinder body, a discharge port and a corresponding plug are provided on the bottom of the cylinder body, an impurity storage tank is provided on the inner bottom of the cylinder body, and the top edge of the cylinder body is higher than the upper edge of the condensate drainage outlet of the fresh air air-conditioning unit.

[0006] For example, the device for quickly cleaning impurities in the condensation drainage trap of the fresh air air-conditioning unit without stopping, the barrel is cylindrical, and the impurity storage tank is cylindrical with an upper end open and a bottom surface that matches the bottom surface of the barrel.

[0007] For example, the device for quickly cleaning impurities from the condensation drainage trap of a fresh air air-conditioning unit without stopping the machine, wherein the impurity storage tank is connected to a storage tank handle.

[0008] For example, the device for quickly cleaning impurities in the condensation drainage trap of the fresh air air-conditioning unit without stopping, the storage tank handle is in an inverted "T" shape and its height is equivalent to the height of the cylinder, and the bottom of the storage tank handle is fixed to the bottom of the impurity storage tank.

[0009] As described in the device for quickly cleaning impurities in the condensate drainage trap of the fresh air air-conditioning unit without stopping, the connecting openings on the cylinder body respectively connecting the condensate collection box of the fresh air air-conditioning unit and the sewer discharge outlet are both located at the upper edge of the impurity storage tank.

[0010] For example, the device for quickly cleaning impurities in the condensation drainage trap of the fresh air air-conditioning unit without stopping, the opening and closing top cover includes a cover plate, a sealing gasket and a flange from top to bottom, and the cover plate, the flange and the sealing gasket are opened and closed by screws and nuts.

[0011] The beneficial effects of the technical solution of the utility model are:

[0012] 1. With this device, the impurities in the condensate trap can be cleaned at any time, the MAU can continue to operate normally, the humidity, cleanliness level, and micro-pressure difference in the clean room are controlled stably, and the quality of wafer production products is stable;

[0013] 2. With this device, there is no need to frequently switch on and off the MAU, and the energy consumption is stable;

[0014] 3. By using this device, the impurities in the water trap can be cleaned conveniently and quickly, saving time and effort and reducing labor costs; 4. By using this device, the cleaning is thorough, the cleaning frequency is reduced, and manpower is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] To further illustrate the above-mentioned purpose, structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings.

[0016] Figure 1 This is a schematic diagram of the structure of a preferred embodiment of the utility model;

[0017] Figure 2 This is the main view of the application state of the preferred embodiment of the utility model;

[0018] Figure 3 It is a top view of the preferred embodiment of the utility model in application state;

[0019] In the figure: 1. Cylinder; 2. Condensate collection box of fresh air air conditioning unit; 3. Sewer discharge port; 4. Plug; 5. Impurity storage tank; 6. Storage tank handle; 7. Cover plate; 8. Sealing gasket; 9. Flange; 10. Screws and nuts; 11. Interface. DETAILED DESCRIPTION

[0020] The terms "utility model" and "the present utility model" used in this specification are intended to refer broadly to all subject matter of this specification and any patent claims below. Statements containing these terms should not be understood to limit the subject matter described herein or to limit the meaning or scope of any patent claim below. In addition, this specification does not attempt to describe or limit the subject matter covered by any claim of any specific component, paragraph, statement or figure of this application. The subject matter should be understood with reference to the entire specification, all drawings and any claims below. The present utility model may have other embodiments and be practiced or implemented in other ways. Moreover, it should be understood that the wording and terminology used herein are for illustrative purposes and should not be considered as limiting.

[0021] The details of the present invention will now be discussed with reference to the accompanying drawings which illustrate the present invention by way of example only. In the accompanying drawings, similar features or components may be marked with the same reference numerals.

[0022] The use of "including", "having" and "comprising" and variations thereof herein is meant to include the items listed thereafter and their equivalents and additional items. Although reference may be made to directions such as above, below, upward, downward, backward, bottom, top, front, back, etc. in describing the drawings, for convenience, reference is made relative to the drawings. These directions are not intended to literally accept or limit the present invention in any form. In addition, terms such as "first", "second", "third", etc. are used herein for illustrative purposes and are not intended to indicate or imply importance or significance.

[0023] See also Figure 1 , Figure 2 and Figure 3 As shown, the utility model provides a device for quickly cleaning impurities in the condensate drainage trap of a fresh air air-conditioning unit without stopping the machine, comprising a cylinder 1, which is respectively connected to a condensate collection box 2 and a sewer discharge port 3 of the fresh air air-conditioning unit, an opening and closing top cover is provided on the top of the cylinder 1, a discharge port and a corresponding plug 4 are provided on the bottom of the cylinder 1, an impurity storage tank 5 is provided on the inner bottom of the cylinder 1, and the top edge of the cylinder 1 is higher than the upper edge of the condensate drainage outlet of the fresh air air-conditioning unit.

[0024] In a preferred embodiment, the barrel 1 is cylindrical, and the impurity storage tank 5 is cylindrical with an open upper end and a bottom surface that matches the bottom surface of the barrel 1 .

[0025] The impurity storage tank 5 is connected with a storage tank handle 6 for lifting the impurity storage tank 5. Further, the storage tank handle 6 is in an inverted "T" shape and has a height equivalent to that of the cylinder 1, and the bottom of the storage tank handle 6 is fixed to the bottom of the impurity storage tank 5.

[0026] The connecting openings (i.e., interfaces 11 ) on the cylinder 1 , which are respectively connected to the condensate collection box 2 of the fresh air air conditioning unit and the sewer discharge port 3 , are both located at the upper edge of the impurity storage tank 5 .

[0027] Regarding the preferred embodiment of the opening and closing top cover, continue to refer to Figure 1 , Figure 2 As shown, the opening and closing top cover includes a cover plate 7, a sealing gasket 8 and a flange 9 from top to bottom, and the cover plate 7, the flange 9 and the sealing gasket 8 are opened and closed by screws and nuts 10.

[0028] In terms of material and size, the cover plate 7 is made of 8mm thick PVC plate, which is used to seal the upper opening of the cylinder 1. The screw nut 10 is made of φ8×30 stainless steel screw nut, or a stainless steel flange hook fastener, which tightly connects the cover plate 7 and the flange 9. The sealing gasket 8 is made of round finished PTFE material, sandwiched between the cover plate 7 and the flange 9, and plays a sealing function. The flange 9 is made of 8mm thick PVC plate finished material, and is welded to the upper edge of the cylinder 1. The cylinder 1 is made of 16cm outer diameter, 4mm thick PVC pipe, 35cm long, which is the main body of the device and is used to store condensed water and its impurities. The storage tank handle 6 is made of φ6mm SUS316L stainless steel wire rod, welded into a "T" shape, which is used to quickly take out the impurity storage tank 5 and remove the accumulated impurities in the storage tank. The interface 11 is made of DN50 PVC pipe, 5cm long, and is welded to the opening of the cylinder 1. As shown in the figure, the device is installed in the middle of the water trap, and the interface 11 is connected to the elbows on both sides with PVC glue. The impurity storage tank 5 is made of SUS316L, 0.8mm thick, 1mm hole, stainless steel microporous plate, and is made into a circular storage tank with an outer diameter of 14cm and a height of 70mm. The top edge of the storage tank is located at the height of the lower edge of the interface 11, and its center is welded and connected to the storage tank handle 6. The plug 4 at the bottom is sealed with PVC material matching the size of the cylinder 1, and is connected with a special PVC sealant.

[0029] During operation, the top surface of the impurity storage tank 5 is at the same height as the bottom surface of the interface, and impurities will flow into the storage tank and precipitate with the water. When the MAU is operating normally, the operator finds that the MAU drains slowly (using indirect drainage through the orifice, which the operator can identify with the naked eye), and the impurities are seriously blocked and need to be cleaned. During the specific operation, the operator uses a wrench to loosen the screws and nuts 10 of the cover plate 7 (or pull open the flange hook fasteners), open the cover plate 7, pull up the storage tank handle 6, quickly pull out the impurity storage tank 5, and pour the impurities in the storage tank into a special trash can. After cleaning the impurities, put the storage tank back into the cylinder 1, cover the cover plate 7, tighten the screws to seal or tighten the flange hook fasteners to complete.

[0030] The top edge of the cylinder 1 is about 2 cm higher than the upper edge of the MAU condensation drainage outlet. According to the water connection principle, the junction where the MAU condensation water carries impurities and flows into the cylinder 1 is higher than the upper edge of the MAU condensation drainage outlet. According to the water seal principle, the condensation water flowing into the cylinder 1 can prevent the outdoor air from entering the MAU after the cover is opened and pollute the clean air in the MAU. This device can clean the impurities in the cylinder storage tank without stopping the machine, ensuring that the MAU unit can continue to condense and drain water normally and produce normally.

[0031] The above are only preferred embodiments of the present invention, and do not limit the implementation mode and protection scope of the present invention. Those skilled in the art should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for quickly cleaning impurities from the condensation drainage trap of a fresh air air conditioning unit without stopping the machine, characterized in that: It includes a cylinder, which is respectively connected to the condensate collection box and the sewer discharge port of the fresh air air-conditioning unit; the top of the cylinder is provided with an opening and closing top cover; the bottom of the cylinder is provided with a discharge port and a corresponding plug; the bottom of the cylinder is provided with an impurity storage tank; the top edge of the cylinder is higher than the upper edge of the condensate drainage outlet of the fresh air air-conditioning unit.

2. The device for quickly cleaning impurities from the condensation drainage trap of a fresh air air conditioning unit without stopping the machine as claimed in claim 1, characterized in that: The barrel is in the shape of a cylinder, and the impurity storage tank is in the shape of a cylinder with an open upper end and a bottom surface that matches the bottom surface of the barrel.

3. The device for quickly cleaning impurities from the condensation drainage trap of a fresh air air conditioning unit without stopping the machine as claimed in claim 1 or 2, characterized in that: The impurity storage tank is connected with a storage tank handle.

4. The device for quickly cleaning impurities from the condensation drainage trap of a fresh air air conditioning unit without stopping the machine as claimed in claim 3, characterized in that: The storage tank handle is in an inverted "T" shape and its height is equivalent to the height of the cylinder body, and the bottom of the storage tank handle is fixed to the bottom of the impurity storage tank.

5. The device for quickly cleaning impurities from the condensation drainage trap of a fresh air air conditioning unit without stopping the machine as claimed in claim 2, characterized in that: The connecting openings on the cylinder body respectively connected to the condensate storage box of the fresh air air conditioning unit and the sewer discharge port are both located at the upper edge of the impurity storage tank.

6. The device for quickly cleaning impurities from the condensation drainage trap of a fresh air air conditioning unit without stopping the machine as claimed in claim 1, characterized in that: The opening and closing top cover comprises a cover plate, a sealing gasket and a flange in sequence from top to bottom, and the cover plate, the flange and the sealing gasket are opened and closed by screws and nuts.

Images