Sand dust washing and filtering unit
By using the spray main and branch pipe structure and high-pressure atomizing nozzles of the sand and dust washing and filtration unit, the problem of sand and dust pollution in the air conditioning and ventilation systems of chemical fiber spinning is solved, achieving high-efficiency filtration and low-cost operation, providing a large volume of high-cleanliness fresh air source, and extending the equipment life.
Patent Information
- Application Number
- CN202423281783.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Dust pollutants in the fresh air of air conditioning and ventilation systems for chemical fiber spinning cause filter blockage and product quality problems. Traditional physical filters are costly to replace and cannot provide stable airflow or meet purification requirements.
Design a sand and dust washing and filtration unit, which adopts a spray main pipe and branch pipe structure. High-pressure atomizing nozzles wash and filter fresh air, and a spray pressurized water pump delivers water. The atomizing nozzles collide with and adsorb sand and dust particles, which then settle into the collection water tank. Combined with automatic water replenishment by float ball and multi-layer filter screen, water resources are recycled.
It effectively removes dust particles and pollutants, extends equipment lifespan, reduces operating and maintenance costs, provides a large volume of high-cleanliness fresh air, and prevents equipment corrosion and secondary pollution.
Smart Images

Figure CN223460568U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to filter unit technical field relates to a sand dust washing filter unit. BACKGROUND
[0002] In the production process of chemical fiber spinning, the air supply cleanliness of the spinning air conditioner and ventilation system unit is an important process factor. If the fresh air used by the spinning air conditioner and ventilation system unit is seriously polluted by sand dust, the cooling air supplied by the air conditioner unit contains dust particles, which has a serious impact on the spinning process and the quality of the finished product. Lightly, it blocks the filter device composed of metal filter cylinder net or metal net; seriously, dust particles are easily adhered to the molten filament bundle, causing scarring and forming permanent defects. These defects affect the subsequent dyeing process and seriously affect product quality. Especially in the northwest of China and other windy and sandy areas, the serious sand dust pollution has a serious impact on the quality of fresh air used by the spinning air conditioner and ventilation system unit in the local chemical fiber factory. The traditional physical filter is easily blocked during use, and cannot stably supply air and meet the filtering and purification requirements of the spinning air conditioner and ventilation system unit. The cost of replacing the physical filter for a long time is very high. SUMMARY
[0003] The utility model aims at the above -mentioned problem, provides a sand dust washing filter unit.
[0004] To achieve the above object, the utility model adopts the following technical scheme:
[0005] A sand dust washing filter unit, comprising a machine body, the front end of the machine body is provided with an air inlet louver, the rear end of the machine body is provided with an air outlet, a sand dust filtering area is formed between the front end and the rear end of the machine body, and a sand dust spraying filtering assembly is arranged in the sand dust filtering area.
[0006] The sand dust spraying filtering assembly can wash and filter the sand dust particle pollutants in the fresh air, efficiently remove the sand dust particle pollutants in the fresh air, and supply the treated fresh air to the rear-end spinning air conditioner and ventilation system unit through the air outlet. The service life of the rear-end spinning air conditioner and ventilation system unit can be prolonged, the cost of replacing the physical filter is greatly reduced, and the operation and maintenance cost of the spinning air conditioner and ventilation system unit is greatly reduced.
[0007] The opening degree of the air inlet louver can be adjusted, and the amount of fresh air entering the machine body can be flexibly controlled. By expanding the opening degree of the air inlet louver, a large amount of air and high cleanliness fresh air required by the spinning air conditioner and ventilation system unit can be provided to meet the large air volume ventilation performance.
[0008] In the sand dust washing filter unit, the sand dust spraying filter assembly comprises a spraying main pipe arranged in the sand dust filtering area and matched with the length distribution of the air inlet louver, a plurality of spraying branch pipes are arranged on the spraying main pipe and matched with the width distribution of the air inlet louver, the spraying branch pipes are communicated with the spraying main pipe, a plurality of high-pressure atomizing nozzles are uniformly arranged on the spraying branch pipes and distributed along the length direction of the spraying branch pipes, the high-pressure atomizing nozzles are communicated with the spraying branch pipes, and the spraying main pipe is connected with a water inlet device.
[0009] The water mist sprayed by the high-pressure atomizing nozzles collides with, adsorbs and condenses the sand dust particle pollutants in the fresh air, so that the mass of the particle pollutants is increased, the particle pollutants are accelerated to settle, and the purpose of purifying the fresh air is achieved.
[0010] In the sand dust washing filter unit, the bottom end of the machine body is provided with a collecting water tank, and the sand dust particle pollutants are settled in the collecting water tank together with the atomized water after being sprayed by the atomized water.
[0011] The mass of the sand dust particle pollutants is increased after being sprayed by the atomized water, and the sand dust particle pollutants are settled in the collecting water tank together with the atomized water.
[0012] In the sand dust washing filter unit, the water inlet device comprises an external water tank arranged outside the machine body, the spraying main pipe is communicated with the external water tank through a circulating water pipe, and the circulating water pipe is provided with a spraying pressurizing water pump and a water pipe pressure gauge.
[0013] The spraying pressurizing water pump can pressurize and deliver the water source in the external water tank to the spraying main pipe, the water in the spraying main pipe can be uniformly distributed to each high-pressure atomizing nozzle through the spraying branch pipes, and the water pipe pressure gauge is used for monitoring the water pressure in the circulating water pipe, so that the water pressure is ensured to be in a safe and stable range.
[0014] In the sand dust washing filter unit, the external water tank is provided with a floating ball automatic water supplement valve and a quick manual water supplement valve, and overflow ports and sewage discharge ports are arranged on the two sides of the external water tank.
[0015] The floating ball automatic water replenishment valve can sense the water level change in the external water tank. When the water level drops to a set value, the valve will automatically open to replenish water into the external water tank until the water level reaches the preset height and then automatically closes. The quick manual water replenishment valve can be operated to quickly replenish water into the external water tank in the case of rapid water replenishment, such as when the water level in the external water tank drops sharply due to a fault, which helps to prevent equipment failure or shutdown caused by low water level. When the water level in the external water tank exceeds the set value, the overflow port will automatically open to discharge excess water to prevent damage or overflow of the external water tank due to high water level. The drain port is used to discharge sewage or impurities in the external water tank.
[0016] In the sand washing and filtering unit, the external water tank is connected with the collecting water tank, and a sand blocking structure is arranged at the connection between the external water tank and the collecting water tank to prevent sand particles from entering the external water tank.
[0017] The connection between the external water tank and the collecting water tank helps to recycle water resources and save water. The sand blocking structure can block sand particles to prevent them from entering the external water tank.
[0018] In the sand washing and filtering unit, the sand blocking structure includes a plurality of filter screens arranged in the external water tank.
[0019] The plurality of filter screens can block sand particles to ensure that they do not enter the external water tank.
[0020] In the sand washing and filtering unit, a water baffle is arranged at the rear side of the spray main pipe and the spray branch pipe in the sand filtering area.
[0021] The water baffle can block water mist, effectively preventing water mist sprayed by high-pressure atomizing nozzles from entering the rear-end spinning air conditioning and ventilation system unit through the air outlet, and avoiding corrosion and secondary pollution of related equipment.
[0022] In the sand washing and filtering unit, a sand discharge port is arranged at one side of the bottom end of the collecting water tank, and the sand discharge port is connected with a sand discharge trench.
[0023] Sand particles deposited at the bottom of the collecting water tank can be discharged into the sand discharge trench through the sand discharge port at the bottom end of the collecting water tank, and the sand in the sand discharge trench can be cleaned regularly.
[0024] In the sand washing and filtering unit, the air inlet louver window is an inclined rainproof louver window.
[0025] The air inlet louver window is an inclined rainproof louver window, which can effectively prevent rainwater from entering and help guide fresh air to flow in.
[0026] Compared with the prior art, the advantages of the utility model lie in that: 1, can carry out washing filtration to sand dust particle pollutant in fresh air, can efficiently remove sand dust particle pollutant in fresh air, can provide the fresh air source required by spinning air conditioner and ventilation system unit with large air volume and high cleanliness. 2, can prolong the service life of the rear-end spinning air conditioner and ventilation system unit, greatly reduce the replacement cost of physical filter, and greatly reduce the operation and maintenance cost of spinning air conditioner and ventilation system unit. 3, can remove sand dust particle pollutant in fresh air comprehensively, and the filtration quality of sand dust particle pollutant is good. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 It is the overall structure schematic diagram provided by the utility model;
[0028] Figure 2 It is Figure 1 Structure schematic diagram of A-A in it.
[0029] In the drawing, the machine body 1, the inlet louvered air window 2, the sand dust filtering area 3, the sand dust spray filtering assembly 4, the spray main pipe 5, the spray branch pipe 6, the high-pressure atomizing nozzle 7, the water inlet device 8, the collection water tank 9, the external water tank 10, the circulating water pipe 11, the spray pressurized water pump 12, the floating ball automatic water replenishing valve 13, the quick manual water replenishing valve 14, the overflow port 15, the blowdown port 16, the sand isolation structure 17, the multi-layer filter screen 18, the water baffle 19, the sand dust discharge port 20, the sand dust discharge trench 21, the manhole 22. DETAILED DESCRIPTION
[0030] As Figure 1 And Figure 2 Indicated, a sand dust washing filter unit, including the machine body 1, the machine body 1 front end is equipped with inlet louvered air window 2, the machine body 1 rear end is equipped with air outlet, forms sand dust filtering area 3 between the front end and rear end of machine body 1, sand dust spray filtering assembly 4 is equipped in sand dust filtering area 3.
[0031] In the utility model, fresh air enters sand dust filtering area 3 through inlet louvered air window 2, and sand dust spray filtering assembly 4 in sand dust filtering area 3 can wash and filter sand dust particle pollutant in fresh air, can efficiently remove sand dust particle pollutant in fresh air, and the treated fresh air is used for the rear-end spinning air conditioner and ventilation system unit again through air outlet, can prolong the service life of the rear-end spinning air conditioner and ventilation system unit, greatly reduce the replacement cost of physical filter, and greatly reduce the operation and maintenance cost of spinning air conditioner and ventilation system unit.
[0032] The opening degree of the louvered air inlet window 2 can be adjusted, so that the amount of fresh air entering the machine body 1 can be flexibly controlled. By expanding the opening degree of the louvered air inlet window 2, a large amount of air and high-purity fresh air required by the spinning air conditioning and ventilation system unit can be provided, so as to meet the large air volume ventilation performance. The louvered air inlet window 2 is an inclined rainproof louvered air inlet window, which can effectively prevent rainwater from entering and help guide the flow of fresh air.
[0033] Specifically, as shown in Figure 1 and Figure 2 , the sand dust spray filtering assembly 4 includes a spray main pipe 5 arranged in the sand dust filtering area 3 and adapted to the length distribution of the louvered air inlet window 2. A plurality of spray branch pipes 6 are arranged on the spray main pipe 5 along the length direction of the spray main pipe 5 and adapted to the width distribution of the louvered air inlet window 2. The spray branch pipes 6 are connected with the spray main pipe 5. A plurality of high-pressure atomizing nozzles 7 are uniformly arranged on the spray branch pipes 6 along the length direction of the spray branch pipes 6. The high-pressure atomizing nozzles 7 are connected with the spray branch pipes 6. The spray main pipe 5 is connected with a water inlet device 8.
[0034] The water inlet device 8 can introduce water source into the spray main pipe 5. The water source flows into the high-pressure atomizing nozzles 7 through the spray main pipe 5 and the spray branch pipes 6. The water mist sprayed by the high-pressure atomizing nozzles 7 collides with, adsorbs and condenses the sand dust particle pollutants in the fresh air, so that the mass of the particle pollutants increases and the settling speed is accelerated, thereby achieving the purpose of purifying the fresh air.
[0035] The plurality of spray branch pipes 6 are uniformly distributed along the length direction of the spray main pipe 5, so that the water mist sprayed by the high-pressure atomizing nozzles 7 on the spray branch pipes 6 can fully cover the fresh air entering from the louvered air inlet window 2, thereby ensuring that the sand dust particle pollutants in the fresh air can be fully removed to ensure the filtering quality.
[0036] Specifically, as shown in Figure 1 and Figure 2 , the bottom end of the machine body 1 is provided with a collection water tank 9. The sand dust particle pollutants settle into the collection water tank 9 together with the atomized water after being sprayed by the atomized water.
[0037] The sand dust particle pollutants settle into the collection water tank 9 together with the atomized water after being sprayed by the atomized water. The collection water tank 9 at the bottom end of the machine body 1 plays a role of water collection.
[0038] Specifically, as shown in Figure 1 and Figure 2 , the water inlet device 8 includes an external water tank 10 arranged outside the machine body 1. The spray main pipe 5 is connected with the external water tank 10 through a circulating water pipe 11. The circulating water pipe 11 is provided with a spray pressurized water pump 12 and a water pipe pressure gauge. The bottom end of the collection water tank 9 is provided with a sand dust discharge port 20 connected with a sand dust discharge trench 21.
[0039] The spray pressurized water pump 12 can pressurize and deliver the water source in the external water tank 10 to the spray main pipe 5. The water in the spray main pipe 5 can be uniformly distributed to each high-pressure atomizing nozzle 7 through the spray branch pipe 6. The water pipe pressure gauge is used to monitor the water pressure in the circulating water pipe 11 to ensure that the water pressure is within a safe and stable range.
[0040] The sand and dust particles can be deposited at the bottom of the collection water tank 9 and can be discharged to the sand and dust discharge trench 21 through the sand and dust discharge port 20 at the bottom of the collection water tank 9. The sand and dust in the sand and dust discharge trench 21 can be cleaned regularly.
[0041] Specifically, as shown in Figure 1 and Figure 2 , the external water tank 10 is provided with a floating ball automatic water replenishment valve 13 and a quick manual water replenishment valve 14. The external water tank 10 is provided with an overflow port 15 and a sewage discharge port 16 on both sides.
[0042] The floating ball automatic water replenishment valve 13 can sense the water level change in the external water tank 10. When the water level drops to a set value, the valve will automatically open to replenish water to the external water tank 10 until the water level reaches a preset height and then automatically closes. The quick manual water replenishment valve 14 can be operated to quickly replenish water to the external water tank 10 in the case of needing to quickly replenish water, such as when the water level in the external water tank 10 drops sharply due to a fault, which helps to prevent equipment failure or shutdown caused by too low water level. When the water level in the external water tank 10 exceeds the set value, the overflow port 15 will automatically open to discharge the excess water to prevent the external water tank 10 from being damaged or overflowing due to too high water level. The sewage discharge port 16 is used to discharge sewage or impurities in the external water tank 10.
[0043] Specifically, as shown in Figure 1 and Figure 2 , the external water tank 10 is connected to the collection water tank 9. A sand separation structure 17 is arranged at the connection between the external water tank 10 and the collection water tank 9 to prevent sand and dust particles from entering the external water tank 10. The sand separation structure 17 includes a plurality of filter screens 18 arranged in the external water tank 10.
[0044] The external water tank 10 is connected to the collection water tank 9, which helps to recycle water resources and achieve water saving. The plurality of filter screens 18 can block sand and dust particles to ensure that they do not enter the external water tank 10.
[0045] Specifically, as shown in Figure 1 and Figure 2 , the sand and dust filtering area 3 is provided with a water baffle 19 at the rear side of the spray main pipe 5 and the spray branch pipe 6.
[0046] The water baffle 19 behind the spray main pipe 5 and the spray branch pipe 6 plays a role of blocking water mist, can effectively prevent the water mist sprayed by the high-pressure atomizing nozzle 7 from entering the spinning air conditioning and ventilation system unit at the rear end through the air outlet, and can avoid causing corrosion and secondary pollution of related equipment.
[0047] Specifically, as shown in the drawings, Figure 2 The machine body 1 is provided with an access door 22, which improves the operability of the unit and the convenience of maintenance.
[0048] The working principle of the utility model is: when the sand dust washing and filtering unit is used, the spray pressurizing water pump 12 is opened, the spray pressurizing water pump 12 can pressurize the water source in the external water tank 10 and deliver it to the spray main pipe 5, the water in the spray main pipe 5 can be evenly distributed to each high-pressure atomizing nozzle 7 through the spray branch pipe 6, the water mist sprayed by the high-pressure atomizing nozzle 7 collides with, adsorbs and condenses the sand dust particle pollutants in the fresh air, so that the mass of the particle pollutants increases, the sand dust particle pollutants become larger in mass after being sprayed by the atomized water and sink into the collecting water tank 9 together with the atomized water, the water mist sprayed by the high-pressure atomizing nozzle 7 can fully cover the fresh air entering from the inlet louver 2, so that the sand dust particle pollutants in the fresh air can be fully removed, and the treated fresh air is used by the spinning air conditioning and ventilation system unit at the rear end through the air outlet;
[0049] The sand dust particle pollutants sink at the bottom of the collecting water tank 9 and are discharged to the sand dust discharge trench 21 through the sand dust discharge port 20 at the bottom of the collecting water tank 9, so that the sand dust in the sand dust discharge trench 21 can be cleaned regularly.
[0050] The specific embodiments described in the present application are only illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the scope defined by the appended claims.
[0051] Although the machine body 1, the inlet louver 2, the sand dust filtering area 3, the sand dust spray filtering assembly 4, the spray main pipe 5, the spray branch pipe 6, the high-pressure atomizing nozzle 7, the water inlet device 8, the collecting water tank 9, the external water tank 10, the circulating water pipe 11, the spray pressurizing water pump 12, the floating ball automatic water supplement valve 13, the quick manual water supplement valve 14, the overflow port 15, the sewage discharge port 16, the sand isolation structure 17, the multi-layer filter screen 18, the water baffle 19, the sand dust discharge port 20, the sand dust discharge trench 21 and the access door 22 are used more frequently in the present application, the use of these terms is only for more convenient description and explanation of the essence of the utility model; it is contrary to the spirit of the utility model to interpret them as any kind of additional limitation.
Claims
1. A sand dust washing filter unit comprising a body (1), characterized in that, The front end of the machine body (1) is provided with an air inlet louver window (2), the rear end of the machine body (1) is provided with an air outlet, a dust filtering area (3) is formed between the front end and the rear end of the machine body (1), and a dust spray filtering assembly (4) is provided in the dust filtering area (3).
2. The sand dust scrubbing filtration unit of claim 1, wherein, The dust spray filter assembly (4) includes a spray main pipe (5) arranged in the dust filtering area (3) and adapted to the length distribution of the air inlet louver wind window (2); the spray main pipe (5) is provided with a plurality of spray branch pipes (6) arranged along the length direction of the spray main pipe (5) and adapted to the width distribution of the air inlet louver wind window (2); the spray branch pipes (6) are connected to the spray main pipe (5); a plurality of high-pressure atomizing nozzles (7) distributed along the length direction of the spray branch pipe (6) are evenly arranged on the spray branch pipe (6); the high-pressure atomizing nozzles (7) are connected to the spray branch pipes (6); and the spray main pipe (5) is connected to a water inlet device (8).
3. The sand dust scrubbing filtration unit of claim 2, wherein, A water collecting tank (9) is provided at the bottom of the machine body (1), and the sand and dust particle pollutants are sprayed with atomized water and then settle into the water collecting tank (9) together with the atomized water.
4. The sand dust scrubbing filter package of claim 3, wherein, The water inlet device (8) includes an external water tank (10) arranged outside the machine body (1); the spray main pipe (5) is connected to the external water tank (10) through a circulating water pipe (11); and the circulating water pipe (11) is provided with a spray pressurized water pump (12) and a water pipe pressure gauge.
5. The sand dust scrubbing filter package of claim 4, wherein, The external water tank (10) is provided with a float automatic water replenishing valve (13) and a quick manual water replenishing valve (14), and both sides of the external water tank (10) are respectively provided with an overflow port (15) and a sewage outlet (16).
6. The sand dust scrubbing filter package of claim 4, wherein, The external water tank (10) is connected to the collecting water tank (9), and a sand isolation structure (17) is provided at the connection point between the external water tank (10) and the collecting water tank (9) to prevent sand and dust particle pollutants from entering the external water tank (10).
7. The sand dust scrubbing filter package of claim 6, wherein, The sand isolation structure (17) comprises a multi-layer filter screen (18) arranged in an external water tank (10).
8. The sand dust scrubbing filter package of claim 2, wherein, A water baffle (19) is provided in the dust filtering area (3) at the rear side of the spray main pipe (5) and the spray branch pipe (6).
9. The sand dust scrubbing filtration unit of claim 3, wherein, A sand and dust discharge port (20) is provided on one side of the bottom end of the water collection tank (9), and the sand and dust discharge port (20) is connected to a sand and dust discharge ditch (21).
10. The sand dust scrubbing filtration unit of claim 1, wherein, The air inlet louver window (2) is an inclined rainproof louver window.