An environmentally friendly wastewater treatment and reuse equipment for fiber product processing

Abstract

The present invention relates to the technical field of textile wastewater treatment, and particularly relates to a wastewater treatment and reuse device for fiber product processing based on environmental protection. It includes a flocculation cylinder, in which a pressure filtration unit is arranged to be lifted and lowered. Above the pressure filtration unit, a water collection unit for collecting and ultrafiltration purification is communicated; the pressure filtration unit includes a pressure filtration cylinder for squeezing the moisture of flocculants. A plurality of groups of chip collection basins for collecting flocculants are distributed in a circular array on the inner wall of the bottom of the pressure filtration cylinder. An electric butterfly valve is arranged directly above the chip collection basin, and a separation mechanism is communicated directly above the electric butterfly valve. The output end and the input end of the separation mechanism respectively extend to the upper and lower sides of the pressure filtration cylinder. By intercepting flocculants in a double layer, not only is the filtration work more thorough, but also automatic collection and cleaning are realized, avoiding blockage and ensuring the smoothness of the passage. While improving the purification effect, the convenience of later cleaning work is also improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of textile wastewater treatment, and particularly relates to a wastewater treatment and reuse device for fiber product processing based on environmental protection. Background Art

[0002] As the most common fiber products, a large amount of harmful wastewater will appear during the processing of textiles, and these wastewaters need to be professionally treated so that they can be reused.

[0003] After retrieval, a patent document with the publication number CN119263522A, the publication date of January 7, 2025, and the name of a printing and dyeing wastewater circulation treatment device with a function of regulating the treatment volume is cited. It includes a mixing box body for support, a sealing cover plate for covering is fixedly arranged on the upper end surface of the mixing box body, and two groups of feed conduits are arranged on the upper end surface of the sealing cover plate. One group of feed conduits is used to introduce printing and dyeing wastewater, and the other group of feed conduits is used to add various regulators or flocculants and other chemical reagents. A servo motor is fixedly arranged at the input end of the L-shaped reduction gear, and a transmission card shaft is fixedly arranged at the output end of the L-shaped reduction gear. A plurality of groups of mixing vane plates are equidistantly arranged on the side end surface of the transmission card shaft. The mixing vane plates are mainly used to mix the printing and dyeing wastewater and various catalysts or regulators to improve the treatment efficiency of the wastewater.

[0004] However, the above-mentioned embodiments still have the following defects:

[0005] The filtration system of the above-mentioned embodiments still adopts a conventional structure. Once the purification time is too long, impurities will block the filtration system, and at this time, it is necessary to stop for cleaning. This leads to a decrease in work fluency. At the same time, the impurities cannot be uniformly collected and compressed, which also brings inconvenience to the subsequent cleaning work. Summary of the Invention

[0006] In view of the above problems, the present invention provides a wastewater treatment and reuse device for fiber product processing based on environmental protection, including a coagulation cylinder, a pressure filtration unit is arranged to be lifted in the coagulation cylinder, and a water collection unit for collection and ultrafiltration purification is communicated above the pressure filtration unit;

[0007] The pressure filtration unit includes a pressure filtration cylinder for squeezing the moisture of flocs. A plurality of groups of chip collection basins for collecting flocs are distributed in a circular array on the inner wall of the bottom of the pressure filtration cylinder. An electric butterfly valve is arranged directly above the chip collection basin, and a separation mechanism is communicated directly above the electric butterfly valve. The output end and the input end of the separation mechanism respectively extend to the upper and lower sides of the pressure filtration cylinder;

[0008] The separation mechanism includes a water suction hopper for concentrating wastewater. The bottom diameter of the water suction hopper is larger than the top, and the bottom of the water suction hopper penetrates through to the bottom of the pressure filter cylinder. The top of the water suction hopper is connected to a U-shaped pipe, and the heights of both ends of the U-shaped pipe are lower than the height in the middle. The other end of the U-shaped pipe is connected to a water outlet pipe arranged in the vertical direction. The bottom of the water outlet pipe is connected to an electric butterfly valve, and a floc blocking net is arranged in the cavity. The top of the water outlet pipe is connected to a second water pump.

[0009] Further, a quicksand filtration unit is connected to the input end of the flocculation cylinder. The quicksand filtration unit includes a quicksand filtration box. A wastewater inlet pipe is arranged at the center of the top of the quicksand filtration box. A plurality of groups of fitting holes are arranged in a circular array along the peripheral edge of the top of the quicksand filtration box. A step is coaxially arranged at the bottom of the fitting hole, and the inner diameter of the step is smaller than that of the fitting hole.

[0010] Further, a sand filtration mechanism is movably installed in each group of fitting holes. The top of the sand filtration mechanism is connected to the wastewater inlet pipe through a hose, and the bottom extends into the quicksand filtration box.

[0011] Further, the sand filtration mechanism includes a sand filtration inlet pipe. The top of the sand filtration inlet pipe is connected to the wastewater inlet pipe. A fitting plate is sleeved on the outer wall of the sand filtration inlet pipe, and the fitting plate is movably installed in the fitting hole. The bottom of the sand filtration inlet pipe extends into the quicksand filtration box and is connected to a filtration ball. The filtration ball is composed of an upper purification part and a lower purification part which are both hemispherical structures and are movably installed with each other, and their structures are the same.

[0012] Further, the upper purification part includes an outer hemisphere. An inner hemisphere is arranged at the center of the cavity of the outer hemisphere. The space between the outer hemisphere and the inner hemisphere is a sand filtration cavity. A quicksand plate which is also a hemispherical structure is arranged in the sand filtration cavity. A plurality of groups of water filtering holes are evenly distributed on both the outer hemisphere and the inner hemisphere. A movable installation ring is movably installed at the joint of the openings at the bottoms of the outer hemisphere and the inner hemisphere.

[0013] Further, a plurality of groups of water diversion straight channels are arranged in a circular array at the bottom of the pressure filter cylinder, and a plurality of groups of water diversion ring channels are arranged at equal intervals outward from the central axis of the bottom of the pressure filter cylinder. Each group of water diversion straight channels is connected to any group of water diversion ring channels, and the bottom of each water suction hopper is connected to the corresponding groups of water diversion ring channels and water diversion straight channels.

[0014] Further, the water collection unit includes a water collection cylinder. A water cylinder clamping ring is sleeved on the peripheral edge of the top of the water collection cylinder, and the water cylinder clamping ring is installed on the inner wall of the top of the flocculation cylinder. A water collection outlet pipe is arranged at the top of the water collection cylinder. The top of the water collection outlet pipe is connected to a purified water pump. The bottom of the water collection outlet pipe extends into the water collection cylinder and is connected to an ultrafiltration outlet pipe. A plurality of groups of ultrafiltration mechanisms are arranged in a circular array around the bottom of the ultrafiltration outlet pipe.

[0015] Further, several groups of horizontal pipes equal in number to the separation mechanisms are distributed in an annular array around the bottom of the water collecting cylinder. The other ends of the horizontal pipes are connected to bamboo joint hoses, and the bottom of each group of bamboo joint hoses is connected to a corresponding second water pump.

[0016] Further, the ultrafiltration mechanism includes a stepped square pipe. The stepped square pipe has a stepped structure, and the side wall of each step close to the central axis of the water collecting cylinder is an inclined surface, and an ultrafiltration oxidation membrane is installed on the inclined surface.

[0017] Further, an air vent pipe is provided at the top of the pressure filtration cylinder. The bottom of the air vent pipe penetrates to the bottom of the pressure filtration cylinder, and a solenoid valve is provided on the air vent pipe.

[0018] The beneficial effects of the present invention are as follows:

[0019] 1. Control the pressure filtration cylinder to descend at a uniform speed, so that the wastewater is sent out after being squeezed through the water suction hopper, U-shaped pipe and water outlet pipe. When the pressure filtration cylinder moves to the bottom of the coagulation cylinder, all the wastewater is discharged, and most of the flocs are squeezed onto the inner wall of the bottom of the coagulation cylinder for convenient unified collection. And a small part is intercepted by the floc interception net. When the pressure filtration cylinder rises, the small part of the intercepted flocs falls into the chip collection basin due to gravity. By intercepting flocs in a double layer, not only the filtration work is more thorough, but also automatic collection and cleaning are realized, avoiding blockage and ensuring the smoothness of the channel. While improving the purification effect, the convenience of later cleaning work is also improved.

[0020] 2. Since the pipe for absorbing wastewater is a stepped square pipe, the wastewater can pass through each group of ultrafiltration oxidation membranes in layers and enter the stepped square pipe. Moreover, each group of ultrafiltration oxidation membranes is respectively arranged on the inclined surfaces arranged in a stepped manner, so that the contact between each group of ultrafiltration oxidation membranes and the wastewater is more even. At the same time, the intercepted bacteria and microorganisms will not affect other groups of ultrafiltration oxidation membranes due to slipping, which not only improves the oxidation filtration effect, but also ensures that the wastewater flows more evenly and that each group of ultrafiltration oxidation membranes does not affect each other.

[0021] 3. By setting the sand filtration mechanism as a spherical structure, it can increase the contact area between the wastewater and the quicksand plate and the water outlet area in a limited space, thereby improving the efficiency of the quicksand filtration work. At the same time, both between the fitting plate and the fitting hole and between the upper purification part and the lower purification part are movably installed. When it is necessary to clean one group or more groups of quicksand plates, only need to take out the whole group of sand filtration mechanisms and separate the upper purification part and the lower purification part. On the premise of not affecting the work of other groups of sand filtration mechanisms, the cleaning work can be completed, improving the work efficiency while ensuring the coherence of the work.

[0022] 4. A number of groups of direct water diversion channels and water diversion loop channels are arranged at the bottom of the filter pressing cylinder, so that a network for guiding the flow of wastewater can be formed at the bottom of the filter pressing cylinder. When the filter pressing cylinder descends and contacts the wastewater, the wastewater will quickly enter each water suction hopper through the network, thus accelerating the flow rate of the wastewater.

[0023] Other features and advantages of the present invention will be described in the following specification, and in part, will be obvious from the specification, or will be understood by implementing the present invention. The objectives and other advantages of the present invention can be realized and obtained by the structures pointed out in the specification, claims, and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0025] Figure 1 Shows a schematic structural diagram of a wastewater treatment and reuse device according to an embodiment of the present invention.

[0026] Figure 2 Shows a schematic cross-sectional view of a flocculation cylinder according to an embodiment of the present invention.

[0027] Figure 3 Shows a schematic cross-sectional view of a quicksand filtration tank according to an embodiment of the present invention.

[0028] Figure 4 Shows a schematic structural diagram of a fitting hole and a step according to an embodiment of the present invention.

[0029] Figure 5 Shows an exploded schematic view of a sand filtration mechanism according to an embodiment of the present invention.

[0030] Figure 6 Shows an exploded schematic view of an upper purification part according to an embodiment of the present invention.

[0031] Figure 7 Shows a schematic cross-sectional view of a filter pressing cylinder according to an embodiment of the present invention.

[0032] Figure 8 Shows a schematic bottom cross-sectional view of a filter pressing cylinder according to an embodiment of the present invention.

[0033] Figure 9 Shows a schematic structural diagram of a separation mechanism according to an embodiment of the present invention.

[0034] Figure 10 Shows according to an embodiment of the present inventionFigure 9 An enlarged schematic diagram within circle A.

[0035] Figure 11 The structural schematic diagram of the water collection unit according to an embodiment of the present invention is shown.

[0036] Figure 12 The sectional schematic diagram of the water collection cylinder according to an embodiment of the present invention is shown.

[0037] Figure 13 The bottom view schematic diagram of the ultrafiltration mechanism according to an embodiment of the present invention is shown.

[0038] In the figure: 100, quicksand filtration unit; 101, first water outlet pipe; 110, quicksand filtration box; 120, waste water inlet pipe; 130, fitting hole; 140, step; 150, sand filtration mechanism; 151, sand filtration inlet pipe; 152, fitting plate; 153, upper purification part; 1531, outer hemisphere; 1532, inner hemisphere; 1533, water filtration hole; 1534, quicksand plate; 1535, movable mounting ring; 154, lower purification part; 200, flocculation cylinder; 201, flocculation water inlet hole; 210, purified water suction pump; 220, purified water drain pipe; 230, hydraulic cylinder; 240, hydraulic spring; 300, pressure filtration unit; 301, sealing sleeve; 310, pressure filtration cylinder; 311, direct water diversion channel; 312, water diversion ring channel; 320, material taking hole; 321, sealing door; 330, separation mechanism; 331, water suction hopper; 332, U-shaped pipe; 333, outlet pipe; 334, flocculation blocking net; 340, electric butterfly valve; 350, chip collection basin; 400, water collection unit; 410, water collection cylinder; 411, water collection outlet pipe; 420, water cylinder clamping ring; 430, horizontal pipe; 431, corrugated hose; 440, ultrafiltration outlet pipe; 450, ultrafiltration mechanism; 451, stepped square pipe; 452, ultrafiltration oxidation membrane. Detailed implementation manners

[0039] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are some but not all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0040] The embodiments of the present invention provide a waste water treatment and reuse device for fiber product processing based on environmental protection. Exemplarily, such as Figure 1 and Figure 2As shown, it includes a quicksand filtration unit 100. A first water outlet pipe 101 is connected to the bottom edge of the main body of the quicksand filtration unit 100. The other end of the first water outlet pipe 101 is connected to a flocculation cylinder 200. A flocculation water inlet hole 201 is provided at one side edge of the bottom of the flocculation cylinder 200. The flocculation cylinder 200 is connected to the first water outlet pipe 101 through the flocculation water inlet hole. The flocculation cylinder 200 is used to provide a container for the flocculation reaction of the wastewater. The quicksand filtration unit 100 is used to filter large particle impurities in the wastewater.

[0041] Exemplarily, a purified water pump 210 is provided at the top of the flocculation cylinder 200. A purified water drain pipe 220 is connected to the output end of the purified water pump 210. A hydraulic cylinder 230 is provided on the inner wall of the top of the flocculation cylinder 200. A number of groups of hydraulic springs 240 are provided around the hydraulic cylinder 230.

[0042] Exemplarily, a filter pressing unit 300 is connected to the bottom of the hydraulic cylinder 230 in a driving manner. A sealing sleeve 301 is sleeved on the outer wall of the main body of the filter pressing unit 300. The outer wall of the sealing sleeve 301 is slidably attached to the inner wall of the flocculation cylinder 200. The filter pressing unit 300 is used to separate the flocs from the wastewater.

[0043] Specifically, the bottom of each group of hydraulic springs 240 is installed on the output end of the filter pressing unit 300.

[0044] Exemplarily, a water collection unit 400 is connected above the filter pressing unit 300. The output end of the water collection unit 400 is connected to the input end of the purified water pump 210. The water collection unit 400 is used to collect and filter the wastewater through an oxidation membrane.

[0045] Exemplarily, as Figure 3 and Figure 4 shown, the quicksand filtration unit 100 includes a quicksand filtration box 110. A wastewater inlet pipe 120 is provided at the center of the top of the quicksand filtration box 110. A number of groups of fitting holes 130 are distributed in a circular array at the four peripheral edges of the top of the quicksand filtration box 110. A step 140 is coaxially provided at the bottom of the fitting hole 130. The inner diameter of the step 140 is smaller than that of the fitting hole 130.

[0046] Exemplarily, a sand filtration mechanism 150 is movably installed in each group of fitting holes 130. The top of the sand filtration mechanism 150 is connected to the wastewater inlet pipe 120 through a hose, and the bottom extends into the quicksand filtration box 110.

[0047] Exemplarily, as Figure 5 and Figure 6As shown in the figure, the sand filtration mechanism 150 includes a sand filtration inlet pipe 151. The top of the sand filtration inlet pipe 151 is connected to the wastewater inlet pipe 120. A fitting plate 152 is sleeved on the outer wall of the sand filtration inlet pipe 151, and the fitting plate 152 is movably installed in the fitting hole 130. The bottom of the sand filtration inlet pipe 151 extends into the quicksand filtration tank 110 and is connected to a filtration ball. The filtration ball is composed of an upper purification part 153 and a lower purification part 154 which are both hemispherical structures and are movably installed with each other, and their structures are the same.

[0048] Exemplarily, the upper purification part 153 includes an outer hemisphere 1531. An inner hemisphere 1532 is provided at the center of the cavity of the outer hemisphere 1531. The space between the outer hemisphere 1531 and the inner hemisphere 1532 is a sand filtration cavity. A quicksand plate 1534 which is also a hemispherical structure is provided in the sand filtration cavity. A number of groups of water filtration holes 1533 are evenly distributed on both the outer hemisphere 1531 and the inner hemisphere 1532. A movable mounting ring 1535 is movably installed at the joint of the bottom openings of the outer hemisphere 1531 and the inner hemisphere 1532.

[0049] First, the wastewater is injected into each group of sand filtration mechanisms 150 through the wastewater inlet pipe 120. When the wastewater enters the spherical cavity formed by the upper purification part 153 and the lower purification part 154, it will first enter the sand filtration cavity through the water filtration holes 1533 on each group of inner hemispheres 1532 and contact the quicksand plate 1534. Then, the particulate impurities in the wastewater are intercepted by the crushed sand and stones in the quicksand plate 1534, and the water flow will enter the quicksand filtration tank 110 through the gaps.

[0050] By setting the sand filtration mechanism 150 as a spherical structure, it can increase the contact area between the wastewater and the quicksand plate 1534 and the water outlet area in a limited space, thus improving the efficiency of the quicksand filtration work. At the same time, both the fitting plate 152 and the fitting hole 130 and the upper purification part 153 and the lower purification part 154 are movably installed. When it is necessary to clean one or more groups of quicksand plates 1534, only the whole group of sand filtration mechanisms 150 needs to be taken out and the upper purification part 153 and the lower purification part 154 are separated. Without affecting the work of other groups of sand filtration mechanisms 150, the cleaning work can be completed, which not only improves the work efficiency but also ensures the coherence of the work.

[0051] Exemplarily, as Figure 7 and Figure 8 shown in the figure, the pressure filtration unit 300 includes a pressure filtration cylinder 310. A number of groups of water diversion straight channels 311 are annularly and evenly distributed at the bottom of the pressure filtration cylinder 310, and a number of groups of water diversion annular channels 312 are arranged at equal intervals from the center axis of the pressure filtration cylinder 310 to the outside at the bottom of the pressure filtration cylinder 310. Each group of water diversion straight channels 311 is connected to any group of water diversion annular channels 312.

[0052] Exemplarily, a number of groups of material taking holes 320 are distributed in an annular array at the bottom peripheral edge of the filter pressing cylinder 310, and a set of sealing doors 321 are provided on each group of the material taking holes 320. A set of chip collecting basins 350 are provided in each group of the material taking holes 320. An electric butterfly valve 340 is provided directly above the chip collecting basin 350. A separation mechanism 330 is communicated above the electric butterfly valve 340. The output end and the input end of the separation mechanism 330 respectively extend to the upper and lower sides of the filter pressing cylinder 310. The input end of the separation mechanism 330 is communicated with each corresponding group of water diversion straight channels 311 and water diversion annular channels 312.

[0053] Specifically, a ventilation pipe is provided at the top of the filter pressing cylinder 310. The bottom of the ventilation pipe penetrates through to the bottom of the filter pressing cylinder 310, and a solenoid valve is provided on the ventilation pipe.

[0054] Exemplarily, as Figure 9 and Figure 10 shown, the separation mechanism 330 includes a water suction hopper 331. The bottom diameter of the water suction hopper 331 is larger than the top, and the bottom of the water suction hopper 331 penetrates through to the bottom of the filter pressing cylinder 310 and is communicated with each corresponding group of water diversion straight channels 311 and water diversion annular channels 312. The top of the water suction hopper 331 is communicated with a U-shaped pipe 332. The heights of both ends of the U-shaped pipe 332 are lower than the height in the middle. The other end of the U-shaped pipe 332 is communicated with a vertically arranged water outlet pipe 333. The bottom of the water outlet pipe 333 is communicated with the electric butterfly valve 340, and a floc blocking net 334 is provided in the cavity. The top of the water outlet pipe 333 is communicated with a second water pump.

[0055] After the wastewater passes through the quicksand filter, it enters the flocculation cylinder 200. A flocculant is added to the wastewater in proportion. After the harmful substances in the wastewater coagulate into flocs, the hydraulic cylinder 230 is started. The hydraulic cylinder 230 drives the filter press cylinder 310 to descend, so that the wastewater enters the U-shaped pipe 332 through the water suction hopper 331, then enters the water outlet pipe 333, and then is sent to the water collection unit 400. At the same time, the second water pump is turned on to accelerate the flow rate of the wastewater. When the filter press cylinder 310 moves to the bottom of the flocculation cylinder 200, all the wastewater is discharged, and most of the flocs are squeezed onto the inner wall of the bottom of the flocculation cylinder 200 for unified collection. And a small part of the flocs that enter the water outlet pipe 333 are intercepted by the floc interception net 334. When the filter press cylinder 310 rises, the solenoid valve is opened to discharge external air into the space below the filter press cylinder 310 in the flocculation cylinder 200, which facilitates the rising of the filter press cylinder 310. During the rising process, the second water pump is turned off and the electric butterfly valve 340 is opened, so that a small part of the flocs intercepted by the floc interception net 334 fall into the lower chip collection basin 350 under the action of gravity. By intercepting flocs in a double layer, not only is the filtering work more thorough, but also automatic collection and cleaning are realized, ensuring the smoothness of the channel and avoiding the phenomenon of floc blockage caused by long-term work. Not only is the wastewater discharged more thoroughly, but also the interception effect of the flocs is ensured, and at the same time the channel is kept smooth to avoid blockage. While improving the purification effect, the convenience of later cleaning work is also improved.

[0056] A number of groups of water diversion straight channels 311 and water diversion ring channels 312 are arranged at the bottom of the filter press cylinder 310, so that a network for guiding the flow direction of the wastewater can be formed at the bottom of the filter press cylinder 310. When the filter press cylinder 310 descends and contacts the wastewater, the wastewater will quickly enter each group of water suction hoppers 331 through the network, thereby accelerating the flow rate of the wastewater.

[0057] Exemplarily, such as Figure 11 and Figure 12 As shown, the water collection unit 400 includes a water collection cylinder 410. A water cylinder clamping ring 420 is sleeved on the peripheral edge of the top of the water collection cylinder 410, and the water cylinder clamping ring 420 is installed on the inner wall of the top of the flocculation cylinder 200. A water collection outlet pipe 411 is provided at the top of the water collection cylinder 410. The top of the water collection outlet pipe 411 is communicated with the purified water pump 210. The bottom of the water collection outlet pipe 411 extends into the water collection cylinder 410 and is communicated with an ultrafiltration outlet pipe 440. A number of groups of ultrafiltration mechanisms 450 are annularly and arrayedly distributed around the bottom of the ultrafiltration outlet pipe 440.

[0058] Exemplarily, a number of groups of horizontal pipes 430 with the same number as the separation mechanism 330 are annularly and arrayedly distributed around the bottom of the water collection cylinder 410. The other end of each horizontal pipe 430 is communicated with a corrugated hose 431, and the bottom of each group of corrugated hoses 431 is communicated with a corresponding second water pump.

[0059] Exemplarily, as Figure 13 shown, the ultrafiltration mechanism 450 includes a stepped square tube 451. The stepped square tube 451 has a stepped structure, and the side wall of each step close to the central axis of the water collection cylinder 410 is an inclined surface, and an ultrafiltration oxidation membrane 452 is installed on the inclined surface.

[0060] After the wastewater after coagulation reaction enters the water collection cylinder 410 through each group of bamboo joint hoses 431 and the cross tube 430, as the water level rises, it contacts each group of ultrafiltration oxidation membranes 452. Since the pipeline for absorbing wastewater is the stepped square tube 451 with a stepped shape, the wastewater can pass through each group of ultrafiltration oxidation membranes 452 into the stepped square tube 451 in layers. The bacteria and microorganisms in the wastewater are filtered through the ultrafiltration oxidation membranes 452, and then discharged through the ultrafiltration water outlet pipe 440 and the water collection outlet pipe 411, so as to obtain the final purified water, enabling the purified water to be recycled and achieving the purpose of wastewater treatment and reuse. Moreover, each group of ultrafiltration oxidation membranes 452 is respectively arranged on the inclined surfaces arranged in a stepped manner, making the contact between each group of ultrafiltration oxidation membranes 452 and the wastewater more uniform. At the same time, the intercepted bacteria and microorganisms will not affect other groups of ultrafiltration oxidation membranes 452 due to slipping, not only improving the oxidation filtration effect, but also ensuring that the wastewater flows more evenly and ensuring that each group of ultrafiltration oxidation membranes 452 will not affect each other.

[0061] The above embodiments have the following beneficial effects:

[0062] 1. Control the uniform descent of the pressure filter cylinder 310, so that the wastewater is sent out after being squeezed through the water suction hopper 311, the U-shaped pipe 332 and the water outlet pipe 333. When the pressure filter cylinder 310 moves to the bottom of the coagulation cylinder 200, all the wastewater is discharged, and most of the flocs are squeezed onto the inner wall of the bottom of the coagulation cylinder 200 for convenient unified collection. And a small part is intercepted by the floc intercepting net 334. When the pressure filter cylinder 310 rises, the intercepted small part of the flocs falls into the chip collection basin 350 due to gravity. By intercepting the flocs in a double layer, not only the filtering work is made more thorough, but also automatic collection and cleaning are realized, avoiding blockage and ensuring the smoothness of the channel. While improving the purification effect, it also improves the convenience of later cleaning work.

[0063] 2. Since the pipeline for absorbing wastewater is the stepped square tube 451 with a stepped shape, the wastewater can pass through each group of ultrafiltration oxidation membranes 452 into the stepped square tube 451 in layers. Moreover, each group of ultrafiltration oxidation membranes 452 is respectively arranged on the inclined surfaces arranged in a stepped manner, making the contact between each group of ultrafiltration oxidation membranes 452 and the wastewater more uniform. At the same time, the intercepted bacteria and microorganisms will not affect other groups of ultrafiltration oxidation membranes 452 due to slipping, not only improving the oxidation filtration effect, but also ensuring that the wastewater flows more evenly and ensuring that each group of ultrafiltration oxidation membranes 452 will not affect each other.

[0064] 3. By setting the sand filtration mechanism 150 as a spherical structure, it can increase the contact area between the wastewater and the flowing sand plate 1534 as well as the water outlet area in a limited space, thereby improving the efficiency of the flowing sand filtration work. At the same time, both the fitting plate 152 and the fitting hole 130 and between the upper purification part 153 and the lower purification part 154 are movably installed. When it is necessary to clean one or more groups of flowing sand plates 1534, only the whole group of sand filtration mechanisms 150 needs to be taken out, and the upper purification part 153 and the lower purification part 154 are separated. On the premise of not affecting the work of other groups of sand filtration mechanisms 150, the cleaning work can be completed, which improves the work efficiency and ensures the coherence of the work.

[0065] 4. A number of groups of water diversion straight channels 311 and water diversion ring channels 312 are arranged at the bottom of the pressure filtration cylinder 310, so that a network for guiding the flow of wastewater can be formed at the bottom of the pressure filtration cylinder 310. When the pressure filtration cylinder 310 descends and contacts the wastewater, the wastewater will quickly enter each water suction hopper 331 through the network, thereby accelerating the flow rate of the wastewater.

[0066] Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A wastewater treatment and reuse device for fiber product processing based on environmental protection, including a coagulation cylinder, characterized in that: A filter pressing unit is arranged to be lifted inside the flocculation cylinder, and a water collection unit for collecting and ultrafiltration purification is communicated above the filter pressing unit; The filter pressing unit includes a filter pressing cylinder for squeezing the moisture of the floc, and a plurality of groups of chip collecting basins for collecting the floc are distributed in a circular array on the inner wall of the bottom of the filter pressing cylinder. An electric butterfly valve is arranged directly above the chip collecting basin, and a separation mechanism is communicated directly above the electric butterfly valve. The output end and the input end of the separation mechanism respectively extend to the upper and lower sides of the filter pressing cylinder; The separation mechanism includes a water suction hopper for concentrating waste water. The bottom diameter of the water suction hopper is larger than the top, and the bottom of the water suction hopper penetrates through the bottom of the filter pressing cylinder. The top of the water suction hopper is communicated with a U-shaped pipe, and the heights of both ends of the U-shaped pipe are lower than the height in the middle; the other end of the U-shaped pipe is communicated with a water outlet pipe arranged in the vertical direction. The bottom of the water outlet pipe is communicated with the electric butterfly valve, and a floc blocking net is arranged in the cavity; a second water pump is communicated at the top of the water outlet pipe; A quicksand filtering unit is communicated at the input end of the flocculation cylinder. The quicksand filtering unit includes a quicksand filtering box. A waste water inlet pipe is arranged at the center of the top of the quicksand filtering box. A plurality of groups of fitting holes are distributed in a circular array at the four peripheral edges of the top of the quicksand filtering box. A step is coaxially arranged at the bottom of the fitting hole, and the inner diameter of the step is smaller than that of the fitting hole; A sand filtering mechanism is movably installed in each group of fitting holes. The top of the sand filtering mechanism is communicated with the waste water inlet pipe through a group of hoses, and the bottom extends into the quicksand filtering box; The sand filtering mechanism includes a sand filtering inlet pipe. The top of the sand filtering inlet pipe is communicated with the waste water inlet pipe. A fitting plate is sleeved on the outer wall of the sand filtering inlet pipe, and the fitting plate is movably installed in the fitting hole; the bottom of the sand filtering inlet pipe extends into the quicksand filtering box and is communicated with a filtering ball. The filtering ball is composed of an upper purification part and a lower purification part which are both hemispherical structures and are movably installed with each other, and the structures of the two are the same; The upper purification part includes an outer hemisphere. An inner hemisphere is arranged at the center of the cavity of the outer hemisphere. The space between the outer hemisphere and the inner hemisphere is a sand filtering cavity. A quicksand plate which is also a hemispherical structure is arranged in the sand filtering cavity; a plurality of groups of water filtering holes are evenly distributed on both the outer hemisphere and the inner hemisphere; a movable installation ring is movably installed at the joint of the openings at the bottoms of the outer hemisphere and the inner hemisphere.

2. The wastewater treatment and reuse equipment for fiber product processing based on environmental protection according to claim 1, characterized in that: A plurality of groups of water diversion straight channels are distributed in a circular array at the bottom of the filter pressing cylinder, and a plurality of groups of water diversion ring channels are arranged at equal intervals from the central axis of the bottom of the filter pressing cylinder to the outside. Each group of water diversion straight channels is communicated with any group of water diversion ring channels, and the bottom of each group of water suction hoppers is communicated with the corresponding groups of water diversion ring channels and water diversion straight channels.

3. An environmentally friendly wastewater treatment and reuse device for fiber product processing according to claim 1, characterized in that: The water collection unit includes a water collection cylinder. A water cylinder clamping ring is sleeved at the four peripheral edges of the top of the water collection cylinder, and the water cylinder clamping ring is installed on the inner wall of the top of the flocculation cylinder; a water collection outlet pipe is arranged at the top of the water collection cylinder. The top of the water collection outlet pipe is communicated with a purified water water pump. The bottom of the water collection outlet pipe extends into the water collection cylinder and is communicated with an ultrafiltration outlet pipe; a plurality of groups of ultrafiltration mechanisms are distributed in a circular array around the bottom of the ultrafiltration outlet pipe.

4. The wastewater treatment and reuse equipment for fiber product processing based on environmental protection according to claim 3, characterized in that: A number of groups of horizontal pipes equal to the number of separation mechanisms are distributed in an annular array around the bottom of the water collecting cylinder. The other end of each horizontal pipe is connected to a corrugated hose, and the bottom of each group of corrugated hoses is connected to a corresponding second water pump.

5. The wastewater treatment and reuse equipment for fiber product processing based on environmental protection according to claim 4, characterized in that: The ultrafiltration mechanism includes a stepped square pipe, which is of a stepped structure, and the side wall of each step close to the central axis of the water collecting cylinder is an inclined surface, and an ultrafiltration oxidation membrane is installed on the inclined surface.

6. The wastewater treatment and reuse equipment for fiber product processing based on environmental protection according to claim 1, characterized in that: A ventilation pipe is provided at the top of the pressure filter cylinder. The bottom of the ventilation pipe penetrates to the bottom of the pressure filter cylinder, and a solenoid valve is provided on the ventilation pipe.

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