CN212687810U

CN212687810U - Aluminum hydroxide washing wastewater recycling system pure water equipment

Info

Publication number: CN212687810U
Application number: CN202020949685.5U
Authority: CN
Inventors: 张文彬; 张庆丰; 张文超
Original assignee: Xinxiang Jinsheng New Material Co ltd
Current assignee: Xinxiang Jinsheng New Material Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-03-12
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses an aluminium hydroxide washing wastewater retrieves system pure water equipment, including retrieving the jar, the outer wall one side welding at recovery tank top has the chemical tank, and the welding has an empty section of thick bamboo on the inner wall at chemical tank top, and the inside sliding connection of an empty section of thick bamboo has the sliding block, and the welding has the pull rod that extends to the chemical tank outside on the inner wall at sliding block top, and the welding has the sprue that extends to the chemical tank inside on the outer wall of sliding block bottom, offers the lower medicine mouth that is linked together with the recovery jar on the inner wall of chemical tank bottom. The utility model discloses the chemical tank can store the medicament to can add the medicine at any time when needing the medicament, and only need stimulate the pull rod and just can accomplish the back and add medicine work, it is laborsaving to save trouble, and it is more convenient to use, can stir the waste water after adding the medicine, and then increases the reaction rate of waste water and medicament, and first scraper blade and the laminating of recovery tank inner wall mutually, can strike off the impurity of attaching to on the recovery tank inner wall.

Description

Aluminum hydroxide washing wastewater recycling system pure water equipment

Technical Field

The utility model relates to an aluminium hydroxide technical field especially relates to an aluminium hydroxide washing wastewater retrieves system pure water equipment.

Background

Aluminum hydroxide (aluminum hydroxide), of the formula al (oh)3, is an aluminum hydroxide, which can react with an acid to form a salt and water and a strong base to form a salt and water, and therefore, is also an amphoteric hydroxide, and al (oh)3, which is an aluminum hydroxide, and since it exhibits a certain acidity, it is also called aluminate (H3 AlO 3), but in practice, it forms tetrahydroxyaluminate ([ al (oh)4] -) when reacted with a base, and therefore, it is usually considered as monohydrate metaaluminate (HAlO 2. H2O), which is classified into industrial grade and pharmaceutical grade according to its use, and the aluminum hydroxide needs to be washed when processed.

The existing pure water preparation equipment for recycling the aluminum hydroxide washing wastewater does not have the functions of storing and adding medicaments at any time, so that the medicaments can be added after being taken to a specified place when being added at each time, and the waste water does not have the function of stirring, so that the reaction is slow after the medicaments are added, the medicaments are not filtered thoroughly, and a large amount of bacteria are still contained in the water, so that the problem needs to be solved by designing the pure water preparation equipment for recycling the aluminum hydroxide washing wastewater urgently.

Disclosure of Invention

The utility model aims at solving the function that does not exist among the prior art store and add the medicine at any time to the medicament, consequently still need to add after appointed place takes when adding the medicine at every turn to do not have the function of stirring waste water, lead to adding the back reaction slow with medicine, and filterable not enough thoroughly, the aquatic still contains the shortcoming of a large amount of bacteria, and the aluminium hydroxide washing wastewater recovery system pure water equipment that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an aluminium hydroxide washing wastewater retrieves system pure water equipment, includes the recovery jar, the outer wall one side welding at recovery tank deck portion has the chemical tank, and the welding has an empty section of thick bamboo on the inner wall at chemical tank deck portion, the inside sliding connection of an empty section of thick bamboo has the sliding block, and the welding has the pull rod that extends to the chemical tank outside on the inner wall at sliding block top, the welding has the sprue that extends to the chemical tank inside on the outer wall of sliding block bottom, set up the medicine discharge opening that is linked together with the recovery jar on the inner wall of chemical tank deck portion, and the sprue joint is in the inside of medicine discharge opening down, the spring has been cup jointed on the outer wall that the pull rod is located an empty section of thick bamboo inside, and has seted up on the.

The key concept of the technical scheme is as follows: the chemical box can store the chemical, so that the chemical can be added at any time when the chemical is needed, and the chemical adding work can be finished after the pull rod is pulled, so that the labor is saved, and the use is more convenient.

Further, retrieve the center department of tank deck portion outer wall and install first motor through the bolt, and the output of first and motor rotates through the shaft coupling and is connected with and is located the axostylus axostyle of retrieving the tank inside, the welding has the puddler that the equidistance is upper and lower structure distribution on the lateral wall of axostylus axostyle, and the equal welding connecting rod of outer wall center department of axostylus axostyle both sides, the other end welding that the axostylus axostyle was kept away from to the connecting rod has the first scraper blade of laminating with retrieving the tank inner wall.

Furthermore, the outer wall of one side of the recovery tank is welded with a settling tank, and the outer wall of one side of the recovery tank is welded with a water service pipe communicated with the settling tank.

Further, install the second motor through the bolt on the outer wall of setting tank one side, and the output of second motor installs the screw rod that is located the setting tank inside through the bolt, the bush has been cup jointed on the outer wall of screw rod, and the welding has the second scraper blade of laminating mutually with the setting tank bottom inner wall on the outer wall of bush bottom, the guide way has all been seted up on the inner wall of the adjacent one side of setting tank, and all welds on the outer wall of second scraper blade both sides and has slided the guide bar in the guide way inside.

Further, the positive outer wall bottom of setting tank and the outer wall bottom of keeping away from positive outer wall opposite side have all seted up the discharge gate, and there is a discharge door inner wall one side at discharge gate top through hinge swing joint, it is sealed to be provided with on the outer wall of one side that the discharge door is close to the discharge gate, the welding has the import pipe on the top outer wall that the chemical tank opposite side was kept away from to the recovery jar, and the welding of the outer wall bottom that the setting tank opposite side was kept away from to the recovery jar has the.

Further, the water pump is installed through the bolt in outer wall one side at setting tank top, and has the flow pipe that is linked together with the recovery jar through the bolt fastening on the outer wall of water pump one side, the drinking-water pipe that communicates with the setting tank is fixed with through the bolt fastening in outer wall one side of water pump bottom.

Furthermore, it has coarse strainer, fine filter screen and activated carbon layer to weld in proper order from last on the inside wall that retrieves jar and be located the baffle under, and retrieves jar and be located and be fixed with ultraviolet tube through the bolt on the inside wall under the activated carbon layer.

The utility model has the advantages that:

1. through the medicine box, pull rod, spring and the sprue that set up, the medicine box can store the medicament to can add the medicine at any time when needing the medicament, and only need stimulate the pull rod just can accomplish the back and add medicine work, it is laborsaving to save trouble, and it is more convenient to use.

2. Through the first motor, axostylus axostyle, connecting rod and the first scraper blade that set up, can stir the waste water after adding the medicine, and then increase the reaction rate of waste water and medicament to first scraper blade and the laminating of recovery tank inner wall can strike off the impurity that adheres to on retrieving the tank inner wall.

3. Through coarse strainer, fine filter screen, activated carbon layer and the ultraviolet tube that sets up, can support to filter the waste water after the sediment, the cubic is filtered can be to the filterable more thorough of waste water to the activated carbon layer can be to the tiny particle harmful substance in the waste water, and the ultraviolet tube can shine the bacterium of waste water and kill.

4. Through the second motor, screw rod, second scraper blade, guide way and the guide bar that set up, can scrape out the outside to the setting tank with the precipitate in the waste water that the bottom of the setting tank portion depositd, can conveniently clear up the setting tank, improved the practicality of this equipment.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of an apparatus for producing pure water by recycling aluminum hydroxide washing wastewater in accordance with the present invention;

FIG. 2 is a schematic view of the internal structure of an apparatus for producing pure water by recycling aluminum hydroxide washing wastewater according to the present invention;

FIG. 3 is a schematic view of the internal structure of a settling tank of an apparatus for producing pure water by recycling aluminum hydroxide washing wastewater according to the present invention;

fig. 4 is a schematic diagram of the internal structure of the chemical tank of the device for recovering and preparing pure water from the aluminum hydroxide washing wastewater.

In the figure: the device comprises a recovery tank 1, a chemical box 2, an empty cylinder 3, a sliding block 4, a pull rod 5, a block 6, a chemical discharge port 7, a chemical discharge port 8, a spring 9, a first motor 10, a shaft rod 11, a stirring rod 12, a connecting rod 13, a first scraper 14, a settling tank 15, a water through pipe 16, a second motor 17, a screw 18, a lining 19, a second scraper 20, a guide rod 21, a guide groove 22, a discharge port 23, a discharge door 24, a water pump 25, a water supply pipe 26, a water pumping pipe 27, a coarse strainer 28, a fine filter screen 29, an activated carbon layer 30, an ultraviolet lamp 31, an ultraviolet lamp pipe 32, an outlet pipe 33, an inlet pipe 34 and a baffle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, an aluminum hydroxide washing wastewater recycling pure water preparation device comprises a recycling tank 1, a chemical tank 2 is welded on one side of the outer wall of the top of the recycling tank 1, an empty cylinder 3 is welded on the inner wall of the top of the chemical tank 2, a sliding block 4 is connected inside the empty cylinder 3 in a sliding manner, a pull rod 5 extending to the outside of the chemical tank 2 is welded on the inner wall of the top of the sliding block 4, a blocking block 6 extending to the inside of the chemical tank 2 is welded on the outer wall of the bottom of the sliding block 4, a chemical discharge port 8 communicated with the recycling tank 1 is formed on the inner wall of the bottom of the chemical tank 2, the blocking block 6 is clamped inside the chemical discharge port 8, a spring 9 is sleeved on the outer wall of the inside of the empty cylinder 3 of the pull rod 5, a chemical discharge port 7 is formed on the outer wall of the top of the chemical tank 2, the chemical tank 2 can store chemicals, so that chemicals can be added when needed, and the chemicals can, the labor is saved, and the use is more convenient.

As can be seen from the above description, the present invention has the following advantages: the chemical box 2 can store the chemicals, so that the chemicals can be added at any time when the chemicals are needed, and the chemicals can be added after the chemicals are added only by pulling the pull rod 5, so that the labor and the time are saved, and the use is more convenient.

Further, a first motor 10 is installed at the center of the outer wall of the top of the recovery tank 1 through a bolt, the output end of the first motor 10 is rotationally connected with a shaft lever 11 positioned in the recovery tank 1 through a coupler, the outer side wall of the shaft lever 11 is welded with stirring rods 12 which are distributed in an up-down structure at equal intervals, and the centers of the outer walls of the two sides of the shaft lever 11 are welded with connecting rods 13, the other end of each connecting rod 13 far away from the shaft lever 11 is welded with a first scraper 14 jointed with the inner wall of the recovery tank 1, the inner wall of one side of the recovery tank 1 adjacent to the same is welded with a baffle 34, the model of a first motor 10 is YE2-280M-2, the first motor 10 drives a stirring rod 12 and the first scraper 14 through the shaft lever 11 to stir the wastewater in the recovery tank 1, thereby increasing the fusion rate of the wastewater and the chemical agent, and the first scraper 14 can scrape off the impurities attached to the inner wall of the recovery tank 1.

Further, a settling tank 15 is welded on the outer wall of one side of the recovery tank 1, a water pipe 16 communicated with the settling tank 15 is welded on the outer wall of one side of the recovery tank 1, and waste water can be injected into the settling tank 15 by opening a valve on the water pipe 16.

Further, install second motor 17 through the bolt on the outer wall of setting tank 15 one side, and the output of second motor 17 installs the screw rod 18 that is located the setting tank 15 inside through the bolt, cup jointed bush 19 on the outer wall of screw rod 18, and the welding has the second scraper blade 20 with the laminating of setting tank 15 bottom inner wall on the outer wall of bush 19 bottom, guide way 22 has all been seted up on the inner wall of the adjacent one side of setting tank 15, and all weld the guide bar 21 that slides in the inside of guide way 22 on the outer wall of second scraper blade 20 both sides, the model of second motor 17 is YE2-280M-2, second motor 17 is through driving screw rod 18, and then drive bush 19 and second scraper blade 20 and strike off the outside of setting tank 15 to the impurity of sediment on the inner wall of setting tank 15 bottom.

Further, discharge gate 23 has all been seted up to the positive outer wall bottom of setting tank 15 and the outer wall bottom of keeping away from positive outer wall opposite side, and there is discharge door 24 inner wall one side at discharge gate 23 top through hinge swing joint, discharge door 24 is provided with sealed the pad on being close to one side outer wall of discharge gate 23, the welding has import pipe 33 on the top outer wall that recovery tank 1 kept away from 2 opposite sides of medicament case, and the welding of the outer wall bottom that recovery tank 1 kept away from setting tank 15 opposite side has outlet pipe 32, and is rational in infrastructure, and it is more convenient to use.

Further, a water pump 25 is installed on one side of the outer wall of the top of the settling tank 15 through a bolt, a water supply pipe 26 communicated with the recovery tank 1 is fixed on the outer wall of one side of the water pump 25 through a bolt, a water pumping pipe 27 communicated with the settling tank 15 is fixed on one side of the outer wall of the bottom of the water pump 25 through a bolt, and the water pump 25 pumps clean water after the settling tank 15 is settled into the recovery tank 1 for filtering.

Further, it has coarse strainer 28, fine filter screen 29 and activated carbon layer 30 to weld in proper order from last down on the inside wall that recovery jar 1 is located the baffle 34 under, and has ultraviolet tube 31 through the bolt fastening on the inside wall that recovery jar 1 is located the activated carbon layer 30 under, and the cubic is filtered can be to the filterable more thorough of waste water to activated carbon layer 30 can adsorb the tiny particle harmful substance in the waste water, and ultraviolet tube 31 can shine the bacterium of waste water and kill.

By adopting the first motor 10, the shaft lever 11, the connecting rod 13 and the first scraper 14, the wastewater after being added with the chemicals can be stirred, so that the reaction rate of the wastewater and the chemicals is increased, and the first scraper 14 is attached to the inner wall of the recovery tank 1, so that impurities attached to the inner wall of the recovery tank 1 can be scraped; the coarse filter screen 28, the fine filter screen 29, the activated carbon layer 30 and the ultraviolet lamp tube 31 can filter the precipitated wastewater, the wastewater can be filtered more thoroughly by filtering for three times, the activated carbon layer 30 can filter harmful substances in small particles in the wastewater, and the ultraviolet lamp tube 31 can irradiate and kill bacteria in the wastewater; second motor 17, screw rod 18, second scraper blade 20, guide way 22 and guide bar 21 can scrape out the outside of setting tank 15 with the precipitate in the waste water that the setting tank 15 bottom was depositd, can conveniently clear up setting tank 15, has improved the practicality of this equipment.

In the following, some preferred embodiments or application examples are listed to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention to the prior art:

example 1

An aluminum hydroxide washing wastewater recycling pure water making device comprises a recycling tank 1, a chemical tank 2 is welded on one side of the outer wall of the top of the recycling tank 1, an empty cylinder 3 is welded on the inner wall of the top of the chemical tank 2, a sliding block 4 is connected inside the empty cylinder 3 in a sliding manner, a pull rod 5 extending to the outside of the chemical tank 2 is welded on the inner wall of the top of the sliding block 4, a blocking block 6 extending to the inside of the chemical tank 2 is welded on the outer wall of the bottom of the sliding block 4, a chemical discharging port 8 communicated with the recycling tank 1 is formed in the inner wall of the bottom of the chemical tank 2, the blocking block 6 is clamped inside the chemical discharging port 8, a spring 9 is sleeved on the outer wall of the pull rod 5 positioned inside the empty cylinder 3, a chemical discharging port 7 is formed in the outer wall of the top of the chemical tank 2, the chemical tank 2 can charge chemicals at any time, therefore, the chemicals can be charged at any time when, the labor is saved, and the use is more convenient.

Wherein, a first motor 10 is arranged at the center of the outer wall of the top of the recovery tank 1 through a bolt, the output end of the first motor 10 is rotationally connected with a shaft lever 11 positioned in the recovery tank 1 through a coupler, stirring rods 12 which are distributed in an up-and-down structure at equal intervals are welded on the outer side wall of the shaft lever 11, and the centers of the outer walls of the two sides of the shaft lever 11 are welded with connecting rods 13, the other end of each connecting rod 13 far away from the shaft lever 11 is welded with a first scraper 14 jointed with the inner wall of the recovery tank 1, the inner wall of one side of the recovery tank 1 adjacent to the same is welded with a baffle 34, the model of a first motor 10 is YE2-280M-2, the first motor 10 drives a stirring rod 12 and the first scraper 14 through the shaft lever 11 to stir the wastewater in the recovery tank 1, thereby increasing the fusion rate of the wastewater and the medicament, and the first scraper 14 can scrape off the impurities attached to the inner wall of the recovery tank 1; a settling tank 15 is welded on the outer wall of one side of the recovery tank 1, a water pipe 16 communicated with the settling tank 15 is welded on the outer wall of one side of the recovery tank 1, and waste water can be injected into the settling tank 15 by opening a valve on the water pipe 16; the outer wall of one side of the settling box 15 is provided with a second motor 17 through a bolt, the output end of the second motor 17 is provided with a screw rod 18 positioned in the settling box 15 through a bolt, the outer wall of the screw rod 18 is sleeved with a bushing 19, the outer wall of the bottom of the bushing 19 is welded with a second scraper 20 attached to the inner wall of the bottom of the settling box 15, the inner wall of one adjacent side of the settling box 15 is provided with a guide groove 22, the outer walls of two sides of the second scraper 20 are welded with guide rods 21 sliding in the guide grooves 22, the model of the second motor 17 is YE2-280M-2, the second motor 17 drives the screw rod 18 to further drive the bushing 19 and the second scraper 20 to scrape precipitated impurities on the inner wall of the bottom of the settling box 15 to the outside of the settling box 15; the bottom of the outer wall of the front of the settling tank 15 and the bottom of the outer wall far away from the other side of the outer wall of the front are both provided with a discharge port 23, one side of the inner wall at the top of the discharge port 23 is movably connected with a discharge door 24 through a hinge, a sealing gasket is arranged on the outer wall of one side of the discharge door 24 close to the discharge port 23, an inlet pipe 33 is welded on the outer wall of the top of the recovery tank 1 far away from the other side of the chemical box 2, and an outlet pipe 32 is welded at the bottom of the outer wall of; a water pump 25 is installed on one side of the outer wall of the top of the settling tank 15 through a bolt, a water supply pipe 26 communicated with the recovery tank 1 is fixed on the outer wall of one side of the water pump 25 through a bolt, a water pumping pipe 27 communicated with the settling tank 15 is fixed on one side of the outer wall of the bottom of the water pump 25 through a bolt, and the water pump 25 pumps relatively clean water precipitated by the settling tank 15 into the recovery tank 1 for filtering; retrieve jar 1 and be located on the inside wall under baffle 34 from last coarse strainer 28, fine filter screen 29 and the activated carbon layer 30 of down welding in proper order, and retrieve jar 1 and be located and have ultraviolet tube 31 through the bolt fastening on the inside wall under activated carbon layer 30, the cubic is filtered can be to the filterable more thorough of waste water to activated carbon layer 30 can adsorb the tiny particle harmful substance in the waste water, and ultraviolet tube 31 can shine the bacterium of waste water and exterminate.

The working principle is as follows: when the device for recycling and preparing pure water from aluminum hydroxide washing wastewater is used, a medicament is placed into the medicament box 2 through the medicament discharge opening 7, meanwhile, wastewater is injected into the recycling tank 1 through the inlet pipe 33, the pull rod 5 is pulled upwards to drive the blocking block 6 to be far away from the medicament discharge opening 8, at the moment, the spring 9 is compressed, the medicament falls into the recycling tank 1 from the medicament discharge opening 8, the pull rod 5 is loosened after a certain amount of medicament is added, the spring 9 is stretched at the moment, the blocking block 6 is blocked in the medicament discharge opening 8, the medicament stops falling, the first motor 10 is started, the first motor 10 drives the stirring rod 12 and the first scraper 14 to rotate in the recycling tank 1 through the shaft rod 11, the stirring rod 12 can stir the wastewater, the medicament and the wastewater are fully fused, the first scraper 14 can scrape off impurities attached to the inner wall of the recycling tank 1, a valve on the water through pipe 16 is opened after the stirring is carried out for a period of time, waste water flows into the inside of setting tank 15 through water service pipe 16 and deposits, deposit after certain time, start the inside of the clearer waste water suction of the upper portion after water pump 25 deposits setting tank 15 to retrieve jar 1, waste water passes through coarse strainer 28 in proper order, fine filter screen 29, activated carbon layer 30 and ultraviolet tube 31, multiple filtration can be to the filterable more thorough of waste water, and activated carbon layer 30 can adsorb the harmful substance in the waste water, ultraviolet tube 31 can kill the bacterium in the waste water, start second motor 17, second motor 17 is through driving screw rod 18, and then drive the outside that bush 19 and second scraper blade 20 struck off setting tank 15's impurity on the inner wall bottom through discharge gate 23.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An aluminum hydroxide washing wastewater recovery and pure water preparation device comprises a recovery tank (1), it is characterized in that a chemical box (2) is welded on one side of the outer wall of the top of the recovery tank (1), an empty cylinder (3) is welded on the inner wall of the top of the chemical box (2), a sliding block (4) is connected inside the empty cylinder (3) in a sliding way, and the inner wall of the top of the sliding block (4) is welded with a pull rod (5) extending to the outside of the chemical box (2), the outer wall of the bottom of the sliding block (4) is welded with a blocking block (6) extending to the interior of the chemical box (2), a medicine discharging opening (8) communicated with the recovery tank (1) is arranged on the inner wall of the bottom of the medicine box (2), and the plugging block (6) is clamped in the medicine discharging port (8), the pull rod (5) is positioned on the outer wall in the hollow barrel (3) and is sleeved with a spring (9), and the medicine discharging port (7) is arranged on the outer wall at the top of the medicine box (2).

2. The equipment for preparing pure water by recycling aluminum hydroxide washing wastewater according to claim 1, characterized in that a first motor (10) is installed at the center of the outer wall of the top of the recycling tank (1) through a bolt, the output end of the first motor (10) is rotatably connected with a shaft lever (11) located inside the recycling tank (1) through a coupler, stirring rods (12) which are distributed in an up-down structure are welded on the outer side wall of the shaft lever (11) at equal intervals, connecting rods (13) are welded at the centers of the outer walls on two sides of the shaft lever (11), a first scraper (14) which is attached to the inner wall of the recycling tank (1) is welded at the other end of each connecting rod (13) far away from the shaft lever (11), and a baffle (34) is welded on the inner wall of one side adjacent to the recycling tank (.

3. The equipment for preparing pure water by recycling aluminum hydroxide washing wastewater according to claim 1, wherein a settling tank (15) is welded on the outer wall of one side of the recycling tank (1), and a water pipe (16) communicated with the settling tank (15) is welded on the outer wall of one side of the recycling tank (1).

4. The equipment for preparing pure water by recycling aluminum hydroxide washing wastewater according to claim 3, characterized in that a second motor (17) is installed on the outer wall of one side of the settling tank (15) through a bolt, a screw (18) located inside the settling tank (15) is installed at the output end of the second motor (17) through a bolt, a bushing (19) is sleeved on the outer wall of the screw (18), a second scraper (20) attached to the inner wall of the bottom of the settling tank (15) is welded on the outer wall of the bottom of the bushing (19), guide grooves (22) are formed in the inner wall of one adjacent side of the settling tank (15), and guide rods (21) sliding inside the guide grooves (22) are welded on the outer walls of two sides of the second scraper (20).

5. The aluminum hydroxide washing wastewater recycling pure water making device according to claim 3, characterized in that the bottom of the outer wall of the front side of the settling tank (15) and the bottom of the outer wall far away from the other side of the outer wall of the front side are both provided with a discharge port (23), one side of the inner wall at the top of the discharge port (23) is movably connected with a discharge door (24) through a hinge, the outer wall of one side of the discharge door (24) close to the discharge port (23) is provided with a sealing gasket, the outer wall of the top of the recovery tank (1) far away from the other side of the chemical tank (2) is welded with an inlet pipe (33), and the bottom of the outer wall of the recovery tank (1) far away.

6. The equipment for recycling and preparing pure water from aluminum hydroxide washing wastewater according to claim 3, wherein a water pump (25) is installed on one side of the outer wall of the top of the settling tank (15) through a bolt, a water supply pipe (26) communicated with the recycling tank (1) is fixed on the outer wall of one side of the water pump (25) through a bolt, and a water pumping pipe (27) communicated with the settling tank (15) is fixed on one side of the outer wall of the bottom of the water pump (25) through a bolt.

7. The equipment for recycling aluminum hydroxide washing wastewater to prepare pure water according to claim 1, wherein the inner side wall of the recycling tank (1) right below the baffle (34) is sequentially welded with a coarse filter screen (28), a fine filter screen (29) and an activated carbon layer (30) from top to bottom, and an ultraviolet lamp tube (31) is fixed on the inner side wall of the recycling tank (1) right below the activated carbon layer (30) through bolts.