A desulfurization wastewater pretreatment device

Abstract

The present application belongs to the technical field of power plant wastewater treatment equipment, and particularly relates to a desulfurization wastewater pretreatment device. The device injects wastewater into the first chamber through the water inlet component, so that the first chamber is filled with the wastewater. The device injects the reaction material into the first chamber through the medicine injection component, so that the wastewater produces precipitation in the first chamber. The precipitation is filtered by the filter screen at the bottom of the collection component and the filter component, and then is transmitted to the remaining chambers through the pump suction component for subsequent reaction. Finally, the wastewater is transmitted to the secondary filter component by the pump suction component for fine filtration and then is discharged. The device is provided with a detachable collection component on the box body. The collection component collects the precipitate, and can be cleaned separately, so as to avoid affecting the subsequent use. The device adopts a hierarchical purification structure, and the purification effect is enhanced. The device further enhances the pretreatment of the wastewater by additionally providing the secondary filter component, so that the pretreated wastewater can be directly concentrated and the overall structure is simplified and the purification effect is better.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of power plant wastewater treatment equipment, and particularly relates to a desulfurization wastewater pretreatment device. BACKGROUND

[0002] Desulfurization wastewater is mainly the discharge water of the absorption tower in the process of boiler flue gas wet desulfurization (limestone / gypsum method). In order to maintain the balance of the slurry circulating system of the desulfurization device, prevent the soluble part in the flue gas, i.e. the chlorine concentration, from exceeding the specified value, and ensure the quality of gypsum, a certain amount of wastewater must be discharged from the system. The wastewater mainly comes from the gypsum dewatering and cleaning system, and the impurities contained in the wastewater mainly include suspended solids, supersaturated sulfites, sulfates and heavy metals, many of which are the first class of pollutants that need to be strictly controlled according to the national environmental protection standards. If it is directly discharged, it will pollute the environment and cause damage to the surrounding ecological environment, which is not conducive to the sustainable development of resources. The desulfurization wastewater pretreatment devices currently in use can all purify the wastewater, but the structure is relatively complex, the volume is relatively large, the internal sediment is prone to hardening for a long time, it is not easy to clean, and the internal volume of the reaction chamber is reduced, thereby affecting the purification efficiency. SUMMARY

[0003] The application aims to provide a desulfurization wastewater pretreatment device to solve the technical problem that the conventional filter device cannot collect the internal sediment and has poor purification effect.

[0004] To solve the above technical problems, the specific technical solutions of the application are as follows:

[0005] In some embodiments of the application, a desulfurization wastewater pretreatment device is provided, which is of a pump suction transmission type and comprises:

[0006] A box body, which has a cavity inside and is divided into a left chamber and a right chamber by a fixed plate in the cavity;

[0007] A partition component, which is arranged in the left chamber and divides the left chamber into a first chamber, a second chamber and a third chamber;

[0008] Openings are arranged on the first chamber, the second chamber and the third chamber;

[0009] A water inlet component is further arranged in the first chamber and connected with a wastewater source outside;

[0010] Filter components are arranged in the first chamber, the second chamber and the third chamber respectively and fixedly connected with the side wall of the left chamber;

[0011] Collecting parts are respectively arranged in the first chamber, the second chamber and the third chamber, and are located above the filtering parts and have one end extending from the openings of the first chamber, the second chamber and the third chamber and being in sliding connection with the filtering parts;

[0012] The bottom of the collecting part is a filter screen structure;

[0013] The first pumping part is arranged in the first chamber and is located on the partition part, and has a water outlet extending through the fixed plate to the second chamber;

[0014] The second pumping part is arranged in the second chamber and is located on the partition part, and has a water outlet extending through the fixed plate to the third chamber;

[0015] The third pumping part is arranged in the third chamber and is located on the partition part, and has a water outlet extending through the fixed plate and the box and being connected with an external collecting pool;

[0016] The medicine injection part is arranged in the right chamber in a longitudinal direction and is connected with the fixed plate, and has a medicine outlet extending through the fixed plate to the left chamber and corresponding to the first chamber, the second chamber and the third chamber;

[0017] The medicine outlet of the medicine injection part is located above the collecting part;

[0018] Waste water is injected into the first chamber through the water inlet part, so that the waste water fills the first chamber, and a reaction substance is injected into the first chamber through the medicine injection part, so that the waste water generates a precipitate in the first chamber, the precipitate is filtered through the filter screen at the bottom of the collecting part and the filtering part and is transmitted to the second chamber through the first pumping part, a corresponding reaction substance is injected into the second chamber through the medicine injection part, so that the waste water in the second chamber generates a precipitate through reaction, the precipitate is filtered through the collecting part and the filtering part and is transmitted to the third chamber through the second pumping part, and a medicine is injected into the waste water in the third chamber through the medicine injection part, so that a corresponding precipitate is generated and is filtered through the collecting part and the filtering part and is discharged through the third pumping part.

[0019] In some embodiments of the present application, the pretreatment device is a self-transferring structure, comprising:

[0020] The box has a cavity inside, and the cavity is divided into a left chamber and a right chamber by a fixed plate;

[0021] A plurality of openings are longitudinally arranged on one side of the box;

[0022] The first supporting part is arranged in the left chamber in a longitudinal symmetry and is fixedly connected with the side wall of the left chamber, and the first supporting part has an installation cavity inside;

[0023] The first supporting part is also provided with a plurality of arc-shaped grooves penetrating through the first supporting part into the installation cavity.

[0024] The second supporting part is symmetrically arranged in the left cavity and connected with the first supporting part at both ends.

[0025] The driving part is arranged on the first supporting part and has an extending and retracting end penetrating through the first supporting part into the installation cavity.

[0026] The linear extending and retracting end of the driving part is provided with a plurality of first fixing blocks with inclined surfaces.

[0027] The straight rod part is arranged in the installation cavity and provided with a plurality of second fixing blocks with inclined surfaces.

[0028] The second fixing blocks are slidingly connected with the inclined surfaces of the first fixing blocks.

[0029] The swinging part is in an arc-shaped structure and provided with a first rotating end and a second rotating end at both ends, and a first connecting end and a second connecting end at both sides.

[0030] The swinging parts are arranged in a matrix between the first supporting parts, and the first connecting end and the second connecting end of adjacent two swinging parts are embedded.

[0031] The first rotating end is hingedly connected with the first supporting part.

[0032] The second rotating end penetrates through the arc-shaped groove to the straight rod part and is hingedly connected with the straight rod part and slidingly connected with the arc-shaped groove.

[0033] The collecting part is arranged on the supporting part and has one end extending out of the opening of the box.

[0034] The bottom of the collecting part is in a filter screen structure.

[0035] The medicine injection part is arranged in the right cavity in a longitudinal direction and connected with the fixed plate, and has a medicine outlet end penetrating through the fixed plate to the left cavity.

[0036] The medicine outlet end of the medicine injection part is located above the collecting part.

[0037] The fourth pumping part is arranged at the bottom of the left cavity and has a water outlet end penetrating through the fixed plate and the box to be connected with an external collecting pool.

[0038] In some embodiments of the present application, a secondary filtering part is also included, and the water inlet end of the secondary filtering part is connected with the water outlet end of the third pumping part or the fourth pumping part.

[0039] The secondary filtering part includes:

[0040] a water collecting pipe component, a water inlet end of which is connected with a water outlet end of the third or fourth pumping component, and a third connecting end and a water outlet end are further arranged on the water collecting pipe component;

[0041] a filter pipe component, a water inlet end of which is connected with a water outlet end of the water collecting pipe component, and a first water outlet end and a second water outlet end are further arranged on the filter pipe component;

[0042] the first water outlet end is connected with the third connecting end of the water collecting pipe component;

[0043] a fifth pumping component, a water inlet end of which is connected with the second water outlet end of the filter pipe component;

[0044] a permeation filter component, a water inlet end of which is connected with a water outlet end of the fifth pumping component, and a water outlet end thereof is connected with an external collecting pool.

[0045] In some embodiments of the present application, the filter pipe component is a tubular microfiltration structure, comprising:

[0046] a first shell, an accommodating cavity is arranged inside the first shell, and a water inlet end, a first water outlet end and a second water outlet end are further arranged on the first shell;

[0047] a first filter plate component, which is arranged in the accommodating cavity and located at the first water outlet end;

[0048] a second filter plate component, which is arranged in the accommodating cavity and has a spacing with the side wall of the accommodating cavity;

[0049] the pore size of the second filter plate component is smaller than that of the first filter plate component.

[0050] In some embodiments of the present application, the permeation filter component is a combined structure, comprising:

[0051] a second shell, a permeation cavity is arranged inside the second shell, and a water inlet end and a water outlet end are further arranged on the second shell, the water inlet end is connected with a water outlet end of the fifth pumping component, and the water outlet end is connected with an external collecting pool;

[0052] a barrier component, which is arranged in the permeation cavity and divides the permeation cavity into an upper chamber and a lower chamber, and a through hole is further arranged on the barrier component;

[0053] a rotating component, which is arranged in the upper chamber and located above the through hole;

[0054] a nano-permeation membrane, which is arranged in the upper chamber and located on one side of the through hole;

[0055] the nano-permeation membrane divides the upper chamber into a filtration zone and a purified water zone.

[0056] The water outlet end is arranged on the water purification area;

[0057] The sixth pumping component is arranged in the lower chamber and located on the side far from the through hole, and the water outlet end penetrates through the second shell and is connected with the external wastewater pool.

[0058] Compared with the prior art, the beneficial effects of the present application are that the detachable collecting component is arranged on the box body, the sediment is collected through the collecting component, the collecting component can be cleaned separately, the subsequent use is not affected, the hierarchical purification structure is adopted, the purification effect is enhanced, the secondary filtering component is additionally arranged, the pretreatment of the wastewater is further enhanced, the pretreated wastewater can be directly concentrated and the overall structure is simplified and the purification effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0059] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The accompanying drawings are included to provide a description of the preferred embodiments and are not intended to limit the scope of the application. Moreover, the same reference numerals are used throughout the same figures. In the drawings:

[0060] Figure 1 The overall internal structure schematic view provided for the embodiment one of the present application;

[0061] Figure 2 The overall internal structure schematic view provided for the embodiment two of the present application;

[0062] Figure 3 The first support component and the second support component assembly structure schematic view provided for the embodiment two of the present application;

[0063] Figure 4 The first support component and the swing component assembly structure schematic view provided for the embodiment two of the present application;

[0064] Figure 5 The first support component structure schematic view provided for the embodiment two of the present application;

[0065] Figure 6 The first support component internal structure schematic view provided for the embodiment two of the present application;

[0066] Figure 7 The swing component three-dimensional structure schematic view provided for the embodiment two of the present application;

[0067] Figure 8 The swing component side view structure schematic view provided for the embodiment two of the present application;

[0068] Figure 9An overall internal structure schematic diagram in different states provided for the third embodiment of the present application;

[0069] Figure 10 An overall internal structure schematic diagram in different states provided for the third embodiment of the present application;

[0070] Figure 11 A filter pipe component internal structure schematic diagram provided for the third embodiment of the present application. DETAILED DESCRIPTION

[0071] The specific embodiments of the present application will be further described in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present application, but not to limit the scope of the present application.

[0072] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0073] The terms "first", "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0074] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0075] In order to better understand the purpose, structure and function of the present application, the present application will be further described in conjunction with the drawings.

[0076] Embodiment one

[0077] Referring to the drawings Figure 1 As shown in the drawings, according to some embodiments of the present application, the pretreatment device is a pump suction transmission structure, which comprises:

[0078] A box 1, which has a cavity 101 inside, and a fixed plate 102 in the cavity 101, which divides the cavity 101 into a left chamber 1011 and a right chamber 1012;

[0079] The partition component 2 is a plate structure, which is arranged in the left chamber 1011, and divides the left chamber 1011 into a first chamber 201, a second chamber 202 and a third chamber 203; the first chamber 201, the second chamber 202 and the third chamber 203 are provided with openings; the first chamber 201 is further provided with a water inlet component (the water inlet component is a water inlet pipe, which transmits the wastewater from the outside to the first chamber 201), which is connected with the wastewater source outside; that is, the first chamber 201, the second chamber 202 and the third chamber 203 are independent chambers, and the first chamber 201, the second chamber 202 and the third chamber 203 are reaction chambers, in which the wastewater is reacted to produce precipitates;

[0080] The filter component 3 is a filter screen, which is arranged in the first chamber 201, the second chamber 202 and the third chamber 203 respectively, and is fixedly connected with the side wall of the left chamber 1011;

[0081] The collection component 4 is a groove structure, the bottom of which is a filter screen structure, which is arranged in the first chamber 201, the second chamber 202 and the third chamber 203 respectively, and is located above the filter component 3, one end of which is out of the opening of the first chamber 201, the second chamber 202 and the third chamber 203, and is slidably connected with the filter component 3, which is supported by the filter component 3; since the bottom of the collection component 4 is a filter screen structure, the precipitates are collected by the collection component 4 after the wastewater is reacted to produce precipitates, and the wastewater passes through the collection component 4 and the filter component 3 to the lower side of the filter component 3;

[0082] The first pump suction component 5 is a water pump structure, which can adopt a water pump, a negative pressure pump and the like, which is arranged in the first chamber 201, and is located on the partition component 2, the water outlet end of which penetrates through the fixed plate 102 to the second chamber 202, which transmits the filtered wastewater in the first chamber 201 to the second chamber 202;

[0083] The second pump suction component 6 is a water pump structure, which can adopt a water pump, a negative pressure pump and the like, which is arranged in the second chamber 202, and is located on the partition component 2, the water outlet end of which penetrates through the fixed plate 102 to the third chamber 203; which transmits the filtered wastewater in the second chamber 202 to the third chamber 203;

[0084] The third pumping component 7 is a water pump structure, which can be a water pump, a negative pressure pump or the like, and is arranged in the third chamber 203 on the partition component 2, and has a water outlet penetrating through the fixed plate 102 and the box 1 to be connected with an external collecting pool, and is used to transfer the filtered wastewater in the third chamber 203 to the external collecting pool.

[0085] The medicine injection component 8 is a device for injecting corresponding reactants into the chambers, which can be a small jet pump, a water pump or the like, and is necessarily provided with a medicine storage tank, so that the medicine is injected into the chambers through the medicine injection component 8 to react with the wastewater, and is arranged in the right chamber 1012 in a longitudinal direction and is connected with the fixed plate 102, and has a medicine outlet penetrating through the fixed plate 102 to the left chamber 1011 corresponding to the first chamber 201, the second chamber 202 and the third chamber 203, and is located above the collecting component 4.

[0086] It should be noted that, in order to enhance the purification effect of the wastewater, the reactants injected into the chambers are different in type, and can be used to separately purify or compound purify certain substances in the wastewater.

[0087] In order to further enhance the reaction speed and effect between the wastewater and the reactants, the medicine injection component 8 is further provided with an air pump, which is used to pump air into the chambers, so that the wastewater in the chambers is stirred to accelerate the reaction between the wastewater and the reactants.

[0088] Through the above technical solutions, the technical effects produced in the embodiments of the present application are as follows:

[0089] The wastewater is injected into the first chamber 201 through the water inlet component, fills the first chamber 201, and the reaction material is injected into the first chamber 201 through the injection component 8, so that the wastewater produces a precipitate in the first chamber 201, the precipitate is filtered through the filter screen at the bottom of the collection component 4 and the filtering component 3, and then is transmitted into the second chamber 202 through the first pump suction component 5, the corresponding reaction material is injected into the second chamber 202 through the injection component 8, the wastewater in the second chamber 202 produces a precipitate through reaction, and then the precipitate is filtered through the collection component 4 and the filtering component 3, and then is transmitted into the third chamber 203 through the second pump suction component 6, and the wastewater in the third chamber 203 is injected through the injection component 8, so that the corresponding precipitate is produced, and then the precipitate is filtered through the collection component 4 and the filtering component 3, and then is discharged through the third pump suction component 7. When the precipitate in the collection component 4 in each chamber is too much, the collection component 4 is taken out, the precipitate on the collection component 4 is removed, and then the collection component 4 is placed in each chamber again, so that the precipitate produced through reaction is collected and treated, and the subsequent reaction is not affected. When the precipitate on the filtering component 3 is too much, clean water is injected into the filtering component 3 through the water inlet component, or a flushing device is placed in each chamber through the opening, so that the filtering component 3 is cleaned or flushed. Through the hierarchical reaction and filtering mode, the wastewater is not injected with multiple reaction materials at the same time, the interaction between the reaction materials is avoided, the purification effect of the wastewater is improved, and the basis for improving the purification effect of the wastewater is provided.

[0090] Embodiment two

[0091] Referring to the accompanying Figures 2-8 In the embodiment of the present application, the pretreatment device is a self-transferring structure, which comprises:

[0092] The box body 1 has a cavity 101 inside, and the cavity 101 is divided into a left chamber 1011 and a right chamber 1012 by a fixed plate 102; a plurality of openings are longitudinally formed on one side of the box body 1;

[0093] The first support component 9 is a plate-shaped structure, which is symmetrically arranged in the left chamber 1011 and is fixedly connected with the side wall of the left chamber 1011; the first support component 9 is internally provided with a mounting cavity 901; a plurality of arc-shaped grooves 904 are further arranged on the first support component 9, and the arc-shaped grooves 904 penetrate through the first support component 9 to the mounting cavity 901; the arc-shaped grooves 904 are 1 / 8 of the length of the radius ring thereof;

[0094] The second support component 10 is a plate-shaped structure, which is symmetrically arranged in the left chamber 1011 and is connected with the first support component 9 at both ends, and forms a rectangular frame structure with the first support component 9, so as to support the collection component 4;

[0095] The driving component 902 is an output end telescopic device, which can adopt a mechanical telescopic device, a telescopic cylinder, etc. The driving component 902 is arranged on the first support component 9, and the telescopic end of the driving component 902 penetrates the first support component 9 to the installation cavity 901; a plurality of first fixed blocks 9021 with inclined surfaces are arranged on the linear telescopic end of the driving component;

[0096] A straight rod component 903 is arranged in the installation cavity 901, and a plurality of second fixed blocks 9031 with inclined surfaces are arranged on the straight rod component 903; the second fixed blocks 9031 are in sliding connection with the inclined surfaces of the first fixed blocks 9021;

[0097] The first fixed blocks 9021 are driven to move horizontally by the telescopic driving component 902, the first fixed blocks 9021 slide between the inclined surfaces of the second fixed blocks 9031, the second fixed blocks 9031 move longitudinally, and then the straight rod component 903 moves longitudinally;

[0098] The swing component 11 is an arc-shaped plate structure, and first rotating ends 1101 and second rotating ends 1102 are arranged at both ends of the swing component 11. First connecting ends 1103 and second connecting ends 1104 are arranged on both sides of the swing component 11. The swing components 11 are arranged in a matrix between the first support components 9, the first connecting ends 1103 and the second connecting ends 1104 of adjacent two swing components 11 are embedded, the first rotating ends 1101 are hingedly connected with the first support components 9, the second rotating ends 1102 penetrate the arc-shaped grooves 904 to the straight rod components 903, and the second rotating ends 1102 are hingedly connected with the straight rod components 903 and are in sliding connection with the arc-shaped grooves 904;

[0099] The first connecting ends 1103 are in a groove structure, and the second connecting ends 1104 are in a protruding structure. The first connecting ends 1103 and the second connecting ends 1104 of adjacent two swing components 11 can be embedded with each other;

[0100] The first rotating end 1101 and the second rotating end 1102 are columnar structures, the first rotating end 1101 is hingedly connected with the first supporting part 9, so that the side of the swing part 11 away from the first rotating end 1101 can rotate around the first rotating end 1101; and the second rotating end 1102 is hingedly connected with the straight rod part 903 through the arc-shaped slot 904, the longitudinal displacement of the straight rod part 903 is driven by the driving part 902, so that the side of the second rotating end 1102 is swung, then the two adjacent swing parts 11 are separated, the through slot is formed between the two adjacent swing parts 11, the wastewater can flow into the lower part through the through slot, when the driving part 902 is recovered, the first fixed block 9021 is reset, the second fixed block 9031 falls again after losing the support of the first fixed block 9021, then the straight rod part 903 falls, so that the side of the second rotating end 1102 of the swing part 11 falls again, and the first connecting end 1103 and the second connecting end 1104 are embedded again;

[0101] The collecting part 4 is arranged on the supporting part, and one end of the collecting part 4 is arranged to protrude from the opening of the box body 1; the bottom of the collecting part 4 is a filter screen structure;

[0102] The medicine injection part 8 is arranged in the right chamber 1012 in a longitudinal direction, and the medicine injection part 8 is connected with the fixed plate 102, and the medicine injection end of the medicine injection part 8 penetrates through the fixed plate 102 to the left chamber 1011.

[0103] The medicine injection end of the medicine injection part 8 is located above the collecting part 4.

[0104] The fourth pumping part 12 is a water pump structure, which can be a water pump, a negative pressure pump or the like, and the fourth pumping part 12 is arranged at the bottom of the left chamber 1011, and the water outlet end of the fourth pumping part 12 penetrates through the fixed plate 102 and the box body 1 to be connected with an external collecting pool.

[0105] Through the above technical solutions, the technical effects produced in the embodiment of the present application are as follows:

[0106] The swing part 11, the first supporting part 9 and the second supporting part 10 are used as the supporting structure of the collecting part 4, which is equivalent to the filter part 3 and the partition part 2 in the first embodiment, so that the structure is further simplified, the first fixed block 9021 is driven by the driving part 902 to move horizontally, then the second fixed block 9031 is driven to move longitudinally, the straight rod part 903 is driven to move, the second connecting end 1104 of the swing part 11 is driven to move longitudinally, one side of the swing part 11 is lifted, the wastewater is discharged, the driving part 902 is controlled, the operation is more convenient, the structure is simpler, the complexity of the overall structure and the production cost are further reduced on the basis of ensuring that the hierarchical reaction and filtration can be performed.

[0107] Embodiment three

[0108] Referring to the drawings Figures 9-11 The embodiment of the present application adopts part of the structure in the above embodiment, wherein the secondary filtering component is connected with the water outlet end of the third or fourth pumping component 7 or 12;

[0109] The secondary filtering component comprises:

[0110] The water collecting pipe component 13 is in a pipe structure, and the water inlet end of the water collecting pipe component 13 is connected with the water outlet end of the third or fourth pumping component 7 or 12, and the third connecting end 1301 and the water outlet end are further arranged on the water collecting pipe component 13, which transmits the wastewater after the grading reaction and filtration to the filtering pipe component 14;

[0111] The filtering pipe component 14 is connected with the water outlet end of the water collecting pipe component 13, and the first water outlet end 1402 and the second water outlet end 1403 are further arranged on the filtering pipe component 14; the first water outlet end 1402 is connected with the third connecting end 1301 of the water collecting pipe component 13;

[0112] It should be noted that the filtering pipe component 14 is in a tubular microfiltration structure, which comprises:

[0113] The first shell 1401 is in a hollow columnar structure, and the water inlet end and the first water outlet end 1402 are respectively arranged on the two end faces of the first shell 1401, and the second water outlet end 1403 is arranged on the side wall of the first shell 1401; the first shell 1401 is internally provided with an accommodating cavity;

[0114] The first filter plate component 1404 is in a plate structure, and the first filter plate component 1404 is arranged in the accommodating cavity and located at the first water outlet end 1402;

[0115] The second filter plate component 1405 is in a columnar filter plate structure, and the second filter plate component 1405 is arranged in the accommodating cavity and spaced apart from the side wall of the accommodating cavity; the two ends of the second filter plate component 1405 are respectively sleeved on the water inlet end and the first water outlet end 1402, and the inner diameter of the second filter plate component 1405 is greater than the radius of the water inlet end and the first water outlet end 1402;

[0116] The pore diameter of the second filter plate component 1405 is smaller than the pore diameter of the first filter plate component 1404;

[0117] The fifth pumping component 15 is in a water pump structure, which can adopt a water pump, a negative pressure pump or the like; the water inlet end of the fifth pumping component 15 is connected with the second water outlet end 1403 of the filtering pipe component 14;

[0118] The permeation filtering component 16 is connected with the water outlet end of the fifth pumping component 15, and the water outlet end of the permeation filtering component 16 is connected with an external collection tank;

[0119] It should be noted that the penetration filtration component 16 is a combined structure, comprising:

[0120] The second shell 1601 is internally provided with a penetration cavity, and is further provided with a water inlet end and a water outlet end. The water inlet end is connected with the water outlet end of the fifth pumping component 15, and the water outlet end is connected with an external collection pool.

[0121] The barrier component 1602 is a plate-shaped structure, which is arranged in the penetration cavity and divides the penetration cavity into an upper chamber and a lower chamber. The barrier component 1602 is further provided with a through hole 16021.

[0122] The rotating component 1603 is a stirring device, which is arranged in the upper chamber and located above the through hole 16021.

[0123] The nano-penetration membrane 1604 is arranged in the upper chamber and located on one side of the through hole 16021.

[0124] The nano-penetration membrane 1604 divides the upper chamber into a filtration area and a purified water area 1605.

[0125] The purified water area 1605 is provided with a water outlet end.

[0126] The sixth pumping component 1606 is a water pump structure, which can adopt a water pump, a negative pressure pump or the like. The sixth pumping component 1606 is arranged in the lower chamber and located away from the through hole 16021. The water outlet end of the sixth pumping component 1606 penetrates through the second shell 1601 and is connected with an external wastewater pool.

[0127] Through the above technical solutions, the technical effects produced in the embodiments of the present application are as follows:

[0128] The wastewater enters the filter pipe part 14 through the collecting pipe part 13, and after entering the water inlet end of the filter pipe part 14, part of the wastewater enters the containing cavity between the second filter plate part 1405 and the first shell 1401 after fine filtering, and is transmitted to the permeation filtering part 16 by the fifth pump suction part 15 through the second water outlet end 1403, while the remaining wastewater in the filter pipe part 14 is re-injected into the third connecting end 1301 of the collecting pipe part 13 through the first water outlet end 1402, and the wastewater is re-injected into the filter pipe part 14 by the collecting pipe part 13, and the wastewater is subjected to the first fine filtering in the cross-flow filtering and from bottom to top manner, and the wastewater entering the permeation filtering part 16 first enters the lower chamber of the second shell 1601, and enters the upper chamber through the through hole 16021 of the blocking part 1602, and is subjected to the second fine filtering by the nano-permeation membrane 1604 under the rotating action of the rotating part 1603, and the wastewater after the second fine filtering enters the clean water area 1605 for discharge, while the remaining wastewater is discharged through the sixth pump suction part 1606; the wastewater is subjected to the purification treatment in the twice fine filtering manner, the pretreatment effect of the wastewater is strengthened, the treated wastewater can be directly subjected to the concentration or deep treatment, the purification effect of the wastewater is improved, and the structure principle is more optimized, and the user is more convenient to control.

[0129] The various embodiments are described in the specification by progressive stages, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between the various embodiments can be referred to each other. For the device disclosed by the embodiments, since it corresponds to the method disclosed by the embodiments, the description is relatively simple, and the related parts can be referred to the method part.

[0130] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to the embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A desulfurization wastewater pretreatment device, characterized in that, The pretreatment device is a self-transfer structure, including: The box has an internal cavity, and a fixing plate inside the cavity divides it into a left chamber and a right chamber; The box body has several openings longitudinally on one side; By employing a swinging component, a first support component, and a second support component as the support structure for the collection component, the left chamber is divided into a first chamber, a second chamber, and a third chamber; the first chamber, the second chamber, and the third chamber are provided with openings; the first chamber is also provided with a water inlet component, which is connected to an external wastewater source; A first support component is arranged longitudinally and symmetrically in the left chamber and is fixedly connected to the side wall of the left chamber; the first support component has an installation cavity inside. The first support component is also provided with several arc-shaped grooves, which penetrate the first support component into the mounting cavity; The second support component is symmetrically arranged in the left chamber, and its two ends are connected to the first support component; A driving component, which is disposed on a first support component, with its telescopic end penetrating through the first support component into the mounting cavity; The linear telescopic end of the drive component is provided with several first fixing blocks with inclined surfaces; A straight rod component, wherein the straight rod component is disposed in the mounting cavity and has a plurality of second fixing blocks with inclined surfaces thereon; The second fixing block is slidably connected to the inclined surface of the first fixing block; The swing component has an arc-shaped structure with a first rotating end and a second rotating end at both ends, and a first connecting end and a second connecting end on both sides. The swinging components are arranged in a matrix between the first support components, and the first connecting end and the second connecting end of two adjacent swinging components are fitted together. The first rotating end is hinged to the first supporting component; The second rotating end extends through the arc-shaped groove to the straight rod component, where it is hinged to the straight rod component and slidably connected to the arc-shaped groove. Collection components are respectively disposed on the support components, with one end of each component protruding from the opening of the box body; The bottom of the collecting component has a filter structure; The drug injection component is arranged longitudinally in the right chamber and is connected to the fixed plate. It corresponds to the first chamber, the second chamber, and the third chamber respectively, and its drug outlet end passes through the fixed plate to the left chamber. The dispensing end of the injection component is located above the collecting component; The fourth pump suction component is located at the bottom of the left chamber, and its outlet end passes through the fixing plate and the box body to connect with the external collection pool.

2. The desulfurization wastewater pretreatment device according to claim 1, characterized in that, Also includes: A secondary filtration component, wherein the inlet end of the secondary filtration component is connected to the outlet end of the fourth pump suction component; The secondary filtration components include: A water collection pipe component, wherein the inlet end of the water collection pipe component is connected to the outlet end of the fourth pump suction component, and a third connection end and an outlet end are also provided thereon; A filter tube component, wherein the inlet end of the filter tube component is connected to the outlet end of the water collection pipe component, and a first outlet end and a second outlet end are also provided thereon. The first water outlet is connected to the third connection end of the water collection pipe component; The fifth pump suction component, wherein the inlet end of the fifth pump suction component is connected to the second outlet end of the filter tube component; The inlet end of the permeation filtration component is connected to the outlet end of the fifth pump suction component, and its outlet end is connected to an external collection tank.

3. The desulfurization wastewater pretreatment device according to claim 2, characterized in that, The filter tube component is a tubular microfiltration structure, including: A first housing, the first housing having an internal cavity, and the first housing also having a water inlet, a first water outlet, and a second water outlet; The first filter plate component is disposed in the receiving cavity and is located at the first water outlet end; The second filter plate component is disposed in the receiving cavity and there is a gap between it and the side wall of the receiving cavity. The pore size of the second filter plate component is smaller than that of the first filter plate component.

4. The desulfurization wastewater pretreatment device according to claim 2, characterized in that, The permeation filtration component is a modular structure, including: The second housing has a permeation chamber inside, and an inlet and an outlet are provided on it. The inlet is connected to the outlet of the fifth pump suction component, and the outlet is connected to the external collection tank. A barrier component is disposed in the permeation cavity, which divides the permeation cavity into an upper chamber and a lower chamber, and the barrier component is also provided with a through hole; A rotating component is disposed in the upper chamber and is located above the through hole; A nanopermeable membrane is disposed in the upper chamber and is located on one side of the through hole; The nano-permeable membrane divides the upper chamber into a filtration zone and a water purification zone; The water purification area is equipped with a water outlet. The sixth pump suction component is located in the lower chamber, on the side away from the through hole, and its outlet end passes through the second shell and is connected to the external wastewater pool.

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