Raw water pretreatment device for whole membrane method water treatment

Abstract

The utility model relates to the technical field of raw water pretreatment, in particular to a whole membrane method water treatment raw water pretreatment device which comprises a protection box and is characterized in that a reaction tank is fixedly arranged on the left side in the protection box, a stirring mechanism is fixedly arranged in the reaction tank, and the bottom end of a first motor in the stirring mechanism is fixedly arranged at the top end of the protection box; the center of the bottom end of the first motor is connected with the top end of an auger, the auger is sleeved with a sleeve, the bottom end of the sleeve is fixedly provided with a plurality of supporting columns which are fixedly arranged at the center of the bottom end in the reaction tank, the outer side of the sleeve is provided with three main rotating shafts which are connected with the bottom end in the reaction tank, and the center of each main rotating shaft is sleeved with three stirring assemblies; raw water which is not easy to react at the bottom end is conveyed to the top end to be fully dissolved and reacted, so that the stirring efficiency is improved, the time required by the reaction is shortened, the number of impurities in the raw water is further increased, and the quality of the raw water is further improved to facilitate subsequent use.

Description

Technical Field

[0001] The utility model relates to the technical field of raw water pretreatment, in particular to a raw water pretreatment device for full membrane water treatment. Background Art

[0002] The full membrane water treatment process is a water treatment process that organically combines different membrane processes such as ultrafiltration, microfiltration, reverse osmosis, and EDI to achieve the purpose of efficient removal of pollutants and deep desalination. The effluent treated by the full membrane method can directly meet the requirements of boiler feed water, process water, electronic ultrapure water, recycled water, and circulating water. This process has been successfully applied to many fields such as electricity, metallurgy, and petrochemicals. The key technology of this process, EDI, is the organic combination of electrodialysis (ED) and ion exchange technology (DI), which achieves continuous desalination, simple operation and maintenance, and no acid and alkali emission pollution. Ultrafiltration / microfiltration and reverse osmosis have been widely used in seawater (brackish water) desalination and wastewater reuse. Raw water needs to be pretreated during treatment to prepare for subsequent full membrane water treatment. Impurities in the raw water need to be initially degraded, and then the pretreated raw water is stored for easy use. However, the existing device does not stir evenly when degrading impurities in the raw water, resulting in a small amount of impurities inside that affect subsequent production. In addition, some impurities cannot be cleaned out after being discharged from the reaction tank, and some impurities attached to the reactor are easily extracted after storage. Therefore, it is urgent to design a full membrane water treatment raw water pretreatment device to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide a full-membrane water treatment raw water pretreatment device to solve the problems raised in the above-mentioned background technology, that is, the existing device has uneven stirring when degrading impurities in the raw water, resulting in a small amount of impurities still existing inside and affecting subsequent production, and some impurities cannot be cleaned out after being discharged from the reaction tank, and some impurities attached to the raw water are easily extracted after storage.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a full-membrane water treatment raw water pretreatment device, comprising a protective box, a reaction tank is fixedly arranged on the left side of the interior of the protective box, a stirring mechanism is fixedly arranged inside the reaction tank, the bottom end of the first motor in the stirring mechanism is fixedly arranged at the top of the protective box, the bottom center of the first motor is connected to the top of the auger, a sleeve is sleeved on the outside of the auger, a plurality of support columns are fixedly arranged at the bottom end of the sleeve and fixed at the center of the inner bottom end of the reaction tank, three groups of main rotating shafts are arranged on the outside of the sleeve to connect the inner bottom end of the reaction tank, three groups of stirring components are sleeved at the center of the main rotating shafts, the right side of the reaction tank is connected to the left side of the water pump, a water storage tank is arranged at the right bottom end of the water pump, a drain outlet is arranged at the lower right side of the front end of the water storage tank, and the top of the filtering mechanism is fixedly arranged at the top right top of the interior of the protective box.

[0005] Preferably, the bottom end of the injection port in the protection box is connected to the top of the reaction tank, a square groove is provided at the connection between the right side of the protection box and the filtering mechanism, and a support plate is fixed to the top right side of the square groove.

[0006] Preferably, a sealing layer is fixedly arranged at the bottom end of the reaction tank, a limiting ring is fixedly arranged on the bottom side of the reaction tank, a main gear is arranged at the center of the limiting ring, the outer side of the main gear meshes with the inner sides of three groups of sub-gears, sub-shafts are inserted in the centers of the main gear and sub-gears, the top end of the sub-shaft passes through the inner wall of the sealing layer, and the top end of the sub-shaft is respectively connected to the bottom end of the auger and the main shaft.

[0007] Preferably, the rotating round block in the stirring assembly is sleeved on the outside of the main shaft, and a plurality of groups of protruding blocks are fixed on the outside of the rotating round block, and the outer wall of the protruding block is connected to the inner wall of the stirring block.

[0008] Preferably, a plurality of inner grooves are provided on the front side of the top end of the stirring block, and fixed columns are provided on the two rear walls of the inner grooves. A rotating bar is sleeved on the outer side of the fixed column, and an arch block is fixed on the top side of the front end of the rotating bar.

[0009] Preferably, the top end of the second motor in the filtering mechanism is fixed to the bottom end of the support plate, the left side of the second motor is connected to a threaded rod, a fixed bearing is fixed to the left side of the threaded rod, a movable bearing is provided at the center of the threaded rod, and a horizontal plate is provided at the bottom end of the movable bearing.

[0010] Preferably, the front and rear sides of the top of the horizontal plate are fixedly connected to the bottom end of the slider, the center of the slider is sleeved on the center of the fixing rod, the two sides of the fixing rod are fixed to the inner wall of the fixing block, the top of the fixing block is fixed to the inner top of the protective box, the bottom end of the horizontal plate is connected to the top of the L-shaped slide plate, and a filter membrane is provided at the left top of the L-shaped slide plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The raw water pretreatment device for full-membrane water treatment is provided with a main gear at the bottom center of the sealing layer in the reaction tank, and the three sides of the main gear mesh with the auxiliary gears through the auxiliary shaft to connect and rotate. Subsequently, the first motor in the stirring mechanism drives the auger to rotate while driving the main gear to rotate and then drives the auxiliary gear to rotate, so that the auxiliary shaft and the main shaft rotate at the same time to drive the stirring component to stir, further improving the internal stirring efficiency, and the raw water that is not easy to react at the bottom is transported to the top for sufficient dissolution reaction to improve the stirring efficiency and reduce the time required for the reaction.

[0013] This is a full-membrane water treatment raw water pretreatment device, which is equipped with a second motor to rotate the threaded rod to move the movable bearing and the cross plate, and then the filter membrane provided inside the L-shaped slide plate filters the internal degraded impurities and then moves them for cleaning. Through this device, the number of impurities in the raw water is further increased, and the quality of the raw water is further improved for subsequent use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view cross-sectional schematic diagram of the utility model;

[0015] Figure 2 It is a front view schematic diagram of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the filter mechanism of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the stirring assembly of the utility model;

[0018] Figure 5 It is an enlarged schematic diagram of the stirring block structure of the utility model.

[0019] In the figure: 1. protection box; 101. injection port; 102. square groove; 103. support plate; 2. reaction tank; 201. sealing layer; 202. limit ring; 203. main gear; 204. secondary gear; 205. secondary shaft; 3. stirring mechanism; 301. first motor; 302. auger; 303. sleeve; 304. support column; 305. main shaft; 306. stirring assembly; 3061. rotating round block; 3062. protruding block; 3063, stirring block; 3064, inner tank; 3065, fixed column; 3066, rotating bar; 3067, arch block; 4, water storage tank; 401, drain outlet; 5, pump; 6, filtering mechanism; 600, second motor; 601, threaded rod; 602, fixed bearing; 603, movable bearing; 604, fixed rod; 605, fixed block; 606, slider; 607, horizontal plate; 608, L-shaped slide plate; 609, filter membrane. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 , an embodiment provided by the utility model:

[0022] A full-membrane water treatment raw water pretreatment device includes a protective box 1, characterized in that: a reaction tank 2 is fixedly arranged on the left side inside the protective box 1, a stirring mechanism 3 is fixedly arranged inside the reaction tank 2, the bottom end of the first motor 301 in the stirring mechanism 3 is fixedly arranged on the top of the protective box 1, the bottom center of the first motor 301 is connected to the top of an auger 302, a sleeve 303 is sleeved on the outside of the auger 302, a plurality of support columns 304 are fixedly arranged on the bottom end of the sleeve 303 and are fixed at the center of the inner bottom end of the reaction tank 2, three groups of main rotating shafts 305 are arranged on the outside of the sleeve 303 and connected to the inner bottom end of the reaction tank 2, three groups of stirring components 306 are sleeved on the center of the main rotating shafts 305, the right side of the reaction tank 2 is connected to the left side of a pump 5, a water storage tank 4 is arranged on the right bottom end of the pump 5, a drain outlet 401 is arranged on the lower right side of the front end of the water storage tank 4, and the top of the filtering mechanism 6 is fixedly arranged on the top right side inside the protective box 1.

[0023] Furthermore, the bottom end of the injection port 101 in the protection box 1 is connected to the top of the reaction tank 2, and a square groove 102 is opened at the connection between the right side of the protection box 1 and the filtering mechanism 6. A support plate 103 is fixed to the top right side of the square groove 102 to facilitate the feeding of raw materials into the reaction tank.

[0024] Furthermore, a sealing layer 201 is fixedly arranged at the bottom end of the reaction tank 2, a limiting ring 202 is fixedly arranged on the bottom side of the reaction tank 2, a main gear 203 is arranged at the center of the limiting ring 202, the outer side of the main gear 203 engages with the inner sides of three groups of sub-gears 204, sub-shafts 205 are inserted in the centers of the main gear 203 and the sub-gears 204, the top end of the sub-shaft 205 passes through the inner wall of the sealing layer 201, and the top end of the sub-shaft 205 is respectively connected to the bottom end of the auger 302 and the main shaft 305, so as to facilitate the connection with the stirring mechanism and further improve the stirring efficiency.

[0025] As a further feature of the present invention, the rotating round block 3061 in the stirring assembly 306 is sleeved on the outside of the main shaft 305, and multiple groups of protruding blocks 3062 are fixed on the outside of the rotating round block 3061. The outer wall of the protruding block 3062 is connected to the inner wall of the stirring block 3063, thereby improving the stirring efficiency and saving time.

[0026] Furthermore, a plurality of inner grooves 3064 are provided on the front side of the top of the stirring block 3063, and fixed columns 3065 are provided on the two rear walls of the inner grooves 3064. A rotating bar 3066 is sleeved on the outer side of the fixed column 3065, and an arch block 3067 is fixed on the top side of the front end of the rotating bar 3066, so as to further increase the stirring area for better stirring.

[0027] As a further feature of the present invention, the top end of the second motor 600 in the filtering mechanism 6 is fixedly mounted on the bottom end of the supporting plate 103, the left side of the second motor 600 is connected to a threaded rod 601, a fixed bearing 602 is fixedly mounted on the left side of the threaded rod 601, a movable bearing 603 is provided at the center of the threaded rod 601, a transverse plate 607 is provided at the bottom end of the movable bearing 603, the front and rear sides of the top end of the transverse plate 607 are fixedly mounted to the bottom end of a slider 606, the center of the slider 606 is sleeved on the center of the fixed rod 604, both sides of the fixed rod 604 are fixedly mounted on the inner wall of a fixed block 605, the top end of the fixed block 605 is fixedly mounted on the inner top end of the protective box 1, the bottom end of the transverse plate 607 is connected to the top end of an L-shaped slide plate 608, a filter membrane 609 is provided at the left top end of the L-shaped slide plate 608, so as to further improve the quality of the raw water for subsequent use.

[0028] Working principle: When in use, the user first puts the raw water and reaction reagents that need to be pretreated into the reaction tank 2 through the injection port 101 at the top of the protective box 1, and then starts the first motor 301 to rotate the auger 302 to transport the raw water at the bottom to the top to react with the reaction reagent. When the bottom end of the auger 302 drives the secondary shaft 205 connected to the center of the main gear 203 to rotate, the main gear 203 can engage the secondary gear 204 to rotate, and the secondary gear 204 can drive the secondary shaft 205 to rotate and rotate synchronously with the connected main shaft 305. The stirring block 3063 in the stirring assembly 306 set on the outside of the main shaft 305 can further stir the internal raw water. When further stirring is needed, it is only necessary to quickly rotate the arch block 3067 upward under the action of the raw water, and to rotate the rotating bar 3066 upward to expand the stirring range and further improve the stirring efficiency. When the stirring of the raw water after the mixed reaction is completed, the raw water can be pumped out by the pump 5 and passed through the filter membrane 609 on the left side of the L-shaped slide plate 608 on the right side to filter out impurities. The filtered impurities can be driven by starting the second motor 600 to rotate the threaded rod 601, and then the movable bearing 603 with the center thread inserted is moved to the right, and then the L-shaped slide plate 608 is driven by the cross plate 607 to be moved out through the right square groove 102 for cleaning for the next use. This is the entire working principle of the utility model.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A full membrane water treatment raw water pretreatment device, comprising a protection box (1), characterized in that: A reaction tank (2) is fixedly arranged on the left side of the interior of the protection box (1), a stirring mechanism (3) is fixedly arranged inside the reaction tank (2), the bottom end of a first motor (301) in the stirring mechanism (3) is fixedly arranged on the top end of the protection box (1), the bottom center of the first motor (301) is connected to the top end of an auger (302), a sleeve (303) is sleeved on the outside of the auger (302), and a plurality of support columns (304) are fixedly arranged on the bottom end of the sleeve (303) and fixedly arranged on the bottom end of the interior of the reaction tank (2). The outer side of the sleeve (303) is provided with three groups of main rotating shafts (305) connected to the inner bottom end of the reaction tank (2), and the center of the main rotating shaft (305) is sleeved with three groups of stirring components (306). The right side of the reaction tank (2) is connected to the left side of the water pump (5), and the right bottom end of the water pump (5) is provided with a water storage tank (4). The lower right side of the front end of the water storage tank (4) is provided with a drain outlet (401), and the top of the filtering mechanism (6) is fixedly provided at the top right side of the interior of the protective box (1).

2. A full membrane water treatment raw water pretreatment device according to claim 1, characterized in that: The bottom end of the injection port (101) in the protection box (1) is connected to the top of the reaction tank (2), a square groove (102) is provided at the connection between the right side of the protection box (1) and the filtering mechanism (6), and a support plate (103) is fixed to the top of the right side of the square groove (102).

3. A full membrane water treatment raw water pretreatment device according to claim 1, characterized in that: A sealing layer (201) is fixedly arranged at the bottom end of the reaction tank (2), a limiting ring (202) is fixedly arranged at the bottom side of the reaction tank (2), a main gear (203) is arranged at the center of the limiting ring (202), the outer side of the main gear (203) is meshed with the inner side of three groups of auxiliary gears (204), and auxiliary shafts (205) are inserted at the centers of the main gear (203) and the auxiliary gears (204), the top end of the auxiliary shaft (205) passes through the inner wall of the sealing layer (201), and the top end of the auxiliary shaft (205) is respectively connected to the bottom end of the auger (302) and the bottom end of the main shaft (305).

4. A full membrane water treatment raw water pretreatment device according to claim 1, characterized in that: The rotating circular block (3061) in the stirring assembly (306) is sleeved on the outer side of the main rotating shaft (305), and a plurality of groups of protruding blocks (3062) are fixedly arranged on the outer side of the rotating circular block (3061), and the outer wall of the protruding block (3062) is connected to the inner wall of the stirring block (3063).

5. A full membrane water treatment raw water pretreatment device according to claim 4, characterized in that: A plurality of groups of inner grooves (3064) are provided on the front side of the top end of the stirring block (3063), and fixed columns (3065) are provided on the two rear walls of the inner grooves (3064). A rotating bar (3066) is sleeved on the outer side of the fixed column (3065), and an arch block (3067) is fixed on the top side of the front end of the rotating bar (3066).

6. The full membrane water treatment raw water pretreatment device according to claim 1 is characterized by: The top end of the second motor (600) in the filtering mechanism (6) is fixedly arranged at the bottom end of the supporting plate (103); the left side of the second motor (600) is connected to a threaded rod (601); a fixed bearing (602) is fixedly arranged at the left side of the threaded rod (601); a movable bearing (603) is arranged at the center of the threaded rod (601); and a horizontal plate (607) is arranged at the bottom end of the movable bearing (603).

7. A full membrane water treatment raw water pretreatment device according to claim 6, characterized in that: The front and rear sides of the top of the transverse plate (607) are fixedly connected to the bottom end of the slider (606), the center of the slider (606) is sleeved on the center of the fixing rod (604), the two sides of the fixing rod (604) are fixed to the inner wall of the fixing block (605), the top of the fixing block (605) is fixed to the inner top of the protective box (1), the bottom end of the transverse plate (607) is connected to the top of the L-shaped slide plate (608), and a filter membrane (609) is provided at the left top of the L-shaped slide plate (608).

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