A magnetic industrial sewage impurity removal device

Abstract

The present invention relates to an impurity removal device, and in particular to a magnetic industrial sewage impurity removal device. The present invention provides a magnetic industrial sewage impurity removal device capable of automatically cleaning impurities. The present invention provides such a magnetic industrial sewage impurity removal device, comprising a support seat, a first water inlet pipe, an electromagnet and a mounting sleeve, wherein the first water inlet pipe is fixedly provided in the middle of the support seat, an electromagnet capable of adsorbing metal waste is embedded in the upper part of the support seat, and a mounting sleeve is fixedly provided in the middle of the first water inlet pipe, and the mounting sleeve passes through the upper part of the support seat. The operation of the electromagnet generates magnetic force, so that the metal waste residue in the industrial sewage is adsorbed in the upper part of the first water inlet pipe, thereby realizing magnetic impurity removal of the sewage, and the operation of the water pump draws the metal waste collected in the upper part of the first water inlet pipe into the collection bucket through the feed pipe for centralized collection, thereby achieving the purpose of automatically cleaning the metal waste.

Description

Technical Field

[0001] The invention relates to an impurity removal device, in particular to a magnetic industrial sewage impurity removal device. Background Art

[0002] The purpose of sewage treatment is to ensure that the treated sewage can meet the water quality requirements for discharge into a certain water body or reuse. Industrial sewage contains more heavy metals, so it needs to be treated using magnetic suction.

[0003] Patent announcement number CN112919595A discloses a magnetic industrial sewage impurity removal system and a magnetic impurity removal method, which includes a water tank, a debris removal magnet and a debris collection magnet; a sewage conveying device is provided inside the water tank, and the inner surface of the water tank has a pneumatic stirring hole; the sewage conveying device provides a conveying driving force to make the sewage in the water tank flow from the water inlet pipe position to the water outlet pipe position, and the gas is ejected from the pneumatic stirring hole to pneumatically stir the flowing sewage; the impurity removal magnet sits in the water tank, and removes impurities. The impurity magnet is equipped with a rotating drive mechanism, which provides a rotating driving force to enable the impurity removal magnet to magnetically attract magnetic impurities in the sewage during the rotation process; the impurity collecting magnet is spaced apart on the annular impurity removal magnet, and the magnetic impurities attracted by the impurity removal magnet are transferred to the impurity collecting magnet when the impurity removal magnet rotates to the position of the impurity collecting magnet. However, the sewage impurity removal system and magnetic impurity removal method in this industry require manual cleaning of the impurities collected on the impurity collecting magnet on a regular basis or by observing the amount of magnetic impurities collected. This cleaning method is less efficient.

[0004] Therefore, it is necessary to design a magnetic industrial sewage impurity removal device that can automatically clean impurities. Summary of the Invention

[0005] In order to overcome the shortcomings of the existing industrial wastewater impurity removal system and magnetic impurity removal method, which require manual periodic cleaning of impurities collected on the collecting magnet or observation of the amount of magnetic impurities collected, the technical problem solved by the present invention is to provide a magnetic industrial wastewater impurity removal device that can automatically clean impurities.

[0006] A magnetic industrial sewage impurity removal device includes a support base, a first water inlet pipe, an electromagnet, a mounting sleeve and a collection mechanism. The first water inlet pipe is fixedly arranged in the middle of the support base, an electromagnet capable of adsorbing metal waste is embedded in the upper part of the support base, a mounting sleeve is fixedly arranged in the middle of the first water inlet pipe, the mounting sleeve passes through the upper part of the support base, and a collection mechanism capable of centrally collecting metal waste is provided at the lower part of the support base.

[0007] Furthermore, the collection mechanism includes a collecting bucket, a water pump, a feed pipe, a valve and a handwheel. The lower part of the support seat is detachably provided with a collecting bucket capable of centrally collecting metal waste slag. The lower rear part of the collecting bucket is detachably provided with a water pump. Three feed pipes are fixedly connected to the input end of the water pump. The upper end of the feed pipe is fixedly connected to the mounting sleeve. A valve is rotatably provided at the upper end of the feed pipe, and a handwheel is fixedly provided on the valve.

[0008] Furthermore, it also includes a boosting mechanism capable of pressurizing sewage, and the boosting mechanism includes a second water inlet pipe, a mounting shell, a rotating motor, a boosting fan, a rotating shaft and a bevel gear. The right end of the first water inlet pipe is fixedly connected to the second water inlet pipe, a mounting shell is fixedly arranged in the second water inlet pipe, a rotating motor is fixedly arranged on the upper part of the second water inlet pipe, and the output shaft of the rotating motor passes through the second water inlet pipe. A boosting fan capable of pressurizing sewage is rotatably arranged on the mounting shell, and a rotating shaft is rotatably arranged on the upper part of the mounting shell. The top end of the rotating shaft is connected to the output shaft of the rotating motor through a coupling, and bevel gears are fixedly arranged on the bottom end of the rotating shaft and the left end of the boosting fan, and the two bevel gears are engaged with each other.

[0009] Furthermore, it also includes a material blocking mechanism that can prevent metal waste slag from flowing back. The material blocking mechanism includes a cylinder, a fixed plate, a rack and a pinion. The cylinder is fixedly arranged on the mounting sleeve, and the fixed plate is fixedly arranged on the end of the telescopic rod of the cylinder. The fixed plate is slidingly connected to the mounting sleeve. Three racks are fixedly arranged at even intervals on the top of the fixed plate. A pinion is fixedly arranged on the valve, and the pinion is engaged with the adjacent racks.

[0010] Furthermore, it also includes a filtering mechanism that can preliminarily filter large pieces of metal substances. The filtering mechanism includes a first filter screen, screws and a rubber ring. The right end of the second water inlet pipe is provided with a first filter screen that can preliminarily filter large pieces of metal substances through three screws, and a rubber ring is fixed on the right side of the first filter screen.

[0011] Furthermore, it also includes an injection mechanism that can prevent metal waste slag from blocking the middle part of the first water inlet pipe. The injection mechanism includes a support frame, an air pump and an air outlet pipe. The support frame is fixedly arranged on the rear side of the bottom of the support seat, and the air pump is fixedly arranged on the support frame. The front part of the air pump is fixedly connected to the air outlet pipe, and the air outlet pipe is connected to the first water inlet pipe.

[0012] Furthermore, it also includes an anti-blocking mechanism that can prevent large pieces of metal waste from blocking the feed pipe. The anti-blocking mechanism includes a threaded sleeve, a fixed sleeve and a second filter screen. The middle part of the feed pipe is symmetrically threaded with a threaded sleeve in the upper and lower parts. A fixed sleeve is rotatably connected between two adjacent threaded sleeves. The lower part of the fixed sleeve is fixed with a second filter screen that can prevent large pieces of metal waste from blocking the feed pipe.

[0013] Furthermore, a blocking rod is also included. The blocking rod is fixedly and symmetrically arranged on the bottom of the fixed plate to prevent the backflow of metal waste slag. The blocking rod penetrates into the first water inlet pipe.

[0014] From the above description of the structure of the present invention, it can be seen that the design starting point, concept and advantages of the present invention are: 1. The operation of the electromagnet generates magnetic force, so that the metal waste slag in the industrial sewage is adsorbed in the upper part of the first water inlet pipe, thereby realizing magnetic suction impurity removal of the sewage. The water pump operates to draw the metal waste collected in the upper part of the first water inlet pipe into the collection bucket through the feed pipe for centralized collection, thereby achieving the purpose of automatic cleaning of the metal waste.

[0015] 2. The two bevel gears mesh with each other to make the boost fan rotate. The boost fan rotates to pressurize the sewage, speed up the flow rate of the sewage, and prevent the flow rate from being too slow to affect the impurity removal efficiency.

[0016] 3. The fixed plate slides upward to drive the blocking rod to move upward to block the first water inlet pipe, preventing the metal scrap from flowing back into the first water inlet pipe. At the same time, the feed pipe can be automatically opened by the action of the rack meshing with the pinion gear.

[0017] 4. Under the action of the first filter, the sewage can be preliminarily filtered, and large impurities and metals can be filtered out to prevent large impurities and metals from clogging the first water inlet pipe.

[0018] 5. The air pump sprays gas into the first water inlet pipe through the outlet pipe, thereby preventing metal waste from blocking the upper part of the first water inlet pipe and affecting the sewage removal.

[0019] 6. Under the action of the second filter, larger pieces of metal waste slag can be filtered to prevent larger pieces of metal waste slag from clogging the feed pipe and affecting the operation of the water pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0021] Figure 2 It is a partial cross-sectional structural schematic diagram of the present invention.

[0022] Figure 3 It is a schematic diagram of the three-dimensional structure of the collecting mechanism of the present invention.

[0023] Figure 4 It is a schematic cross-sectional structural diagram of the boosting mechanism of the present invention.

[0024] Figure 5 It is a partial cross-sectional structural schematic diagram of the boosting mechanism of the present invention.

[0025] Figure 6 It is a schematic diagram of the three-dimensional structure of the material blocking mechanism of the present invention.

[0026] Figure 7 This is an enlarged view of part A of the present invention.

[0027] Figure 8 It is a partial cross-sectional structural schematic diagram of the material blocking mechanism of the present invention.

[0028] Figure 9 It is a schematic diagram of the three-dimensional structure of the filtering mechanism of the present invention.

[0029] Figure 10 It is a schematic diagram of the three-dimensional structure of the jet mechanism of the present invention.

[0030] Figure 11 It is a schematic cross-sectional structural diagram of the jet mechanism of the present invention.

[0031] Figure 12 It is a schematic diagram of the three-dimensional structure of the anti-blocking mechanism of the present invention.

[0032] Figure 13 It is a schematic diagram of the vertical cross-section of the anti-blocking mechanism of the present invention.

[0033] In the above drawings: 1: support base, 2: first water inlet pipe, 3: electromagnet, 4: mounting sleeve, 5: collecting mechanism, 501: collecting bucket, 502: water pump, 503: feed pipe, 504: valve, 505: handwheel, 6: boosting mechanism, 601: second water inlet pipe, 602: mounting shell, 603: rotating motor, 604: boosting fan, 605: rotating shaft, 606: bevel gear, 7: material blocking mechanism, 701: cylinder, 702: fixed plate, 703: blocking rod, 704: rack, 705: pinion, 8: filtering mechanism, 801: first filter screen, 802: screw, 803: rubber ring, 9: jet mechanism, 901: support frame, 902: air pump, 903: outlet pipe, 10: anti-blocking mechanism, 1001: threaded sleeve, 1002: fixed sleeve, 1003: second filter screen. DETAILED DESCRIPTION

[0034] The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which presently preferred embodiments of the invention are shown. However, the invention can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for thoroughness and completeness, and will fully convey the scope of the invention to those skilled in the art. Example 1

[0035] See also Figure 1-Figure 3A magnetic industrial sewage impurity removal device includes a support base 1, a first water inlet pipe 2, an electromagnet 3, a mounting sleeve 4 and a collecting mechanism 5. The first water inlet pipe 2 is fixedly arranged in the middle of the support base 1, and an electromagnet 3 is embedded in the upper part of the support base 1. The electromagnet 3 can adsorb metal waste. A mounting sleeve 4 is welded in the middle of the first water inlet pipe 2, and the mounting sleeve 4 passes through the upper part of the support base 1. A collecting mechanism 5 is provided at the lower part of the support base 1, and the collecting mechanism 5 can collect metal waste slag in a centralized manner.

[0036] See also Figure 3 The collecting mechanism 5 includes a collecting bucket 501, a water pump 502, a feed pipe 503, a valve 504 and a handwheel 505. The lower part of the support seat 1 is detachably provided with a collecting bucket 501, and the collecting bucket 501 can collect metal waste slag in a centralized manner. The lower rear part of the collecting bucket 501 is detachably provided with a water pump 502. Three feed pipes 503 are fixedly connected to the input end of the water pump 502. The upper end of the feed pipe 503 is fixedly connected to the mounting sleeve 4. A valve 504 is rotatably provided on the upper end of the feed pipe 503, and a handwheel 505 is welded on the valve 504.

[0037] See also Figure 1 、 Figure 4 and Figure 5 , also includes a boosting mechanism 6, the boosting mechanism 6 can boost the sewage, the boosting mechanism 6 includes a second water inlet pipe 601, a mounting shell 602, a rotating motor 603, a boosting fan 604, a rotating shaft 605 and a bevel gear 606, the right end of the first water inlet pipe 2 is fixedly connected to the second water inlet pipe 601, the second water inlet pipe 601 is fixedly provided with a mounting shell 602, the upper part of the second water inlet pipe 601 is fixedly provided with a rotating motor 603, the rotating motor 603 is a servo motor, the output shaft of the rotating motor 603 passes through the second water inlet pipe 601, the mounting shell 602 is rotatably provided with a boosting fan 604, the boosting fan 604 can boost the sewage, the upper part of the mounting shell 602 is rotatably provided with a rotating shaft 605, the top of the rotating shaft 605 is connected to the output shaft of the rotating motor 603 by a coupling, the bottom end of the rotating shaft 605 and the left end of the boosting fan 604 are key-connected with a bevel gear 606, and the two bevel gears 606 are meshed with each other.

[0038] When it is necessary to remove impurities from the industrial sewage, the staff connects the external sewage pipe to the right end of the second water inlet pipe 601. After connection, the sewage enters the first water inlet pipe 2 through the second water inlet pipe 601. At this time, the staff turns on the electromagnet 3, and the electromagnet 3 operates to generate magnetic force, so that the metal waste slag in the industrial sewage is adsorbed in the upper part of the first water inlet pipe 2, and the sewage after impurities are discharged through the left end of the first water inlet pipe 2. When it is necessary to clean the metal waste slag in the upper part of the first water inlet pipe 2, the staff removes the external sewage pipe and then closes the electromagnet 3. After closing, the staff turns the handwheel 505 to drive the valve 504 to rotate and open the feed pipe 503. Then the staff starts the water pump 502, and the water pump 502 operates to draw the metal waste in the upper part of the first water inlet pipe 2 into the collection bucket 501 for centralized collection through the feed pipe 503. After the metal waste slag in the upper part of the first water inlet pipe 2 is cleaned, the staff turns off the water pump 502 and then reverses the handwheel 505 to drive the valve 50 4 Reverse and close the feed pipe 503. After closing, the staff will reconnect the external sewage pipe and continue to remove impurities from the sewage. When the metal waste slag in the collection barrel 501 needs to be cleaned, the staff will remove the water pump 502 and then remove the collection barrel 501. The staff will clean the metal waste slag in the collection barrel 501. After cleaning, the staff will install the collection barrel 501 back to its original position. After installation, the staff will install the water pump 502 back to its original position. When the flow rate of industrial sewage is slow, the staff will start the rotating motor 603. The output shaft of the rotating motor 603 rotates to drive the rotating shaft 605 to rotate. Under the action of the mutual engagement of the two bevel gears 606, the boost fan 604 rotates. The boost fan 604 rotates to pressurize the sewage, speed up the flow rate of the sewage, and prevent the flow rate from being too slow to affect the impurity removal efficiency. After use, the staff will turn off the rotating motor 603 to stop the operation. Since the rotating motor 603 is a servo motor, it can accurately control the speed, so that the device can operate stably. Example 2

[0039] See also Figure 1 、 Figure 6 、 Figure 7 and Figure 8 On the basis of Example 1, it also includes a blocking mechanism 7, which can prevent the backflow of metal waste slag. The blocking mechanism 7 includes a cylinder 701, a fixed disk 702, a rack 704 and a pinion 705. The cylinder 701 is fixedly arranged on the mounting sleeve 4, and the end of the telescopic rod of the cylinder 701 is welded with a fixed disk 702. The fixed disk 702 is slidingly connected to the mounting sleeve 4. Three racks 704 are evenly spaced and fixed on the top of the fixed disk 702. A pinion 705 is keyed to the valve 504, and the pinion 705 is engaged with the adjacent rack 704.

[0040] See also Figure 8, also includes a blocking rod 703, the blocking rod 703 is fixedly arranged symmetrically on the left and right sides of the bottom of the fixed plate 702, the blocking rod 703 can prevent the metal waste from flowing back, and the blocking rod 703 penetrates into the first water inlet pipe 2.

[0041] When it is necessary to clean the metal waste in the upper part of the first water inlet pipe 2, the staff starts the cylinder 701, the telescopic rod of the cylinder 701 shortens and drives the fixed plate 702 to slide upward, the fixed plate 702 slides upward and drives the blocking rod 703 to move upward to block the first water inlet pipe 2, the fixed plate 702 slides upward and drives the rack 704 to move upward, the rack 704 drives the pinion 705 to rotate upward, the pinion 705 rotates and drives the valve 504 to rotate to open the feed pipe 503, and then the staff turns off the electromagnet 3, the metal waste is no longer affected by the magnetic force and falls downward, and the blocking rod 703 Under the action of preventing metal waste from flowing back into the first water inlet pipe 2, after cleaning is completed, the staff controls the extension of the telescopic rod of the cylinder 701, and the extension of the telescopic rod of the cylinder 701 drives the fixed plate 702 to slide downward and reset, and the fixed plate 702 slides downward, driving the blocking rod 703 to move downward and no longer block the first water inlet pipe 2, and the fixed plate 702 slides downward, driving the rack 704 to move downward and reset, and the rack 704 moves downward, driving the pinion 705 to reverse, and the pinion 705 reverses, driving the valve 504 to reverse and close the feed pipe 503. After use, the staff closes the cylinder 701 and stops the operation.

[0042] See also Figure 1 and Figure 9 , also includes a filtering mechanism 8, which can preliminarily filter large pieces of metal substances. The filtering mechanism 8 includes a first filter screen 801, screws 802 and a rubber ring 803. The right end of the second water inlet pipe 601 is provided with a first filter screen 801 through three screws 802. The first filter screen 801 can preliminarily filter large pieces of metal substances. A rubber ring 803 is fixedly provided on the right side of the first filter screen 801.

[0043] When the sewage in the external sewage pipe enters the second water inlet pipe 601, the sewage can be preliminarily filtered under the action of the first filter 801, and large impurities and metals can be filtered out. Under the action of the rubber ring 803, it can play a sealing role when connected to the external sewage pipe. When it is necessary to clean the impurities filtered on the first filter 801, the staff will unscrew the screw 802, and then the staff will remove the first filter 801 for cleaning. After the cleaning is completed, the staff will fix the first filter 801 back to its original position by screwing back the screw 802.

[0044] See also Figure 10 and Figure 11, also includes an injection mechanism 9, the injection mechanism 9 can prevent metal waste from blocking the middle part of the first water inlet pipe 2, the injection mechanism 9 includes a support frame 901, an air pump 902 and an air outlet pipe 903, the support frame 901 is welded to the rear side of the bottom of the support base 1, the air pump 902 is fixedly arranged on the support frame 901, the front part of the air pump 902 is fixedly connected to the air outlet pipe 903, and the air outlet pipe 903 is connected to the first water inlet pipe 2.

[0045] During the process of extracting and cleaning the metal waste, the staff starts the air pump 902, and the air pump 902 sprays gas into the first water inlet pipe 2 through the outlet pipe 903, thereby preventing the metal waste from blocking the upper position of the first water inlet pipe 2. After use, the staff turns off the air pump 902 and stops the operation.

[0046] See also Figure 1 、 Figure 12 and Figure 13 The material further includes an anti-blocking mechanism 10, which can prevent large pieces of metal waste from blocking the feed pipe 503. The anti-blocking mechanism 10 includes a threaded sleeve 1001, a fixed sleeve 1002 and a second filter screen 1003. The middle part of the feed pipe 503 is symmetrically threaded with threaded sleeves 1001, and a fixed sleeve 1002 is rotatably connected between two adjacent threaded sleeves 1001. A second filter screen 1003 is fixedly provided on the lower part of the fixed sleeve 1002. The second filter screen 1003 can prevent large pieces of metal waste from blocking the feed pipe 503.

[0047] When the metal waste slag passes through the second filter screen 1003, under the action of the second filter screen 1003, larger pieces of metal waste slag can be filtered to prevent larger pieces of metal waste slag from clogging the feed pipe 503 and affecting the operation of the water pump 502. When it is necessary to clean the filtered waste slag on the second filter screen 1003, the staff rotates the threaded sleeve 1001 to move toward each other, and then the staff removes the fixed sleeve 1002 to clean the internal second filter screen 1003. After cleaning, the staff screws the threaded sleeve 1001 back onto the feed pipe 503 to fix the fixed sleeve 1002 back to its original position.

[0048] While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. The scope of the following claims is to be accorded the broadest interpretation so as to encompass all modifications and equivalent structures and functions.

Claims

1. A magnetic suction type industrial sewage impurity removal device, comprising a support base (1), a first water inlet pipe (2), an electromagnet (3) and a mounting sleeve (4), wherein the first water inlet pipe (2) is fixedly arranged in the middle of the support base (1), an electromagnet (3) capable of adsorbing metal waste is embedded in the upper part of the support base (1), a mounting sleeve (4) is fixedly arranged in the middle of the first water inlet pipe (2), and the mounting sleeve (4) passes through the upper part of the support base (1), wherein the device is characterized in that: It also includes a collecting mechanism (5), and the lower part of the support seat (1) is provided with a collecting mechanism (5) capable of centrally collecting the metal waste slag; The installation sleeve (4) is located on the upper part of the first water inlet pipe (2) and is connected to the first water inlet pipe (2). The metal waste is adsorbed and located in the installation sleeve (4); The collecting mechanism (5) includes a collecting bucket (501), a water pump (502), a feeding pipe (503), a valve (504) and a hand wheel (505). The lower part of the support base (1) is detachably provided with a collecting bucket (501) capable of centrally collecting metal waste slag. The lower part of the collecting bucket (501) is detachably provided with a water pump (502). The input end of the water pump (502) is fixedly connected to three feeding pipes (503). The upper end of the feeding pipe (503) is fixedly connected to the mounting sleeve (4). The upper end of the feeding pipe (503) is rotatably provided with a valve (504). The valve (504) is fixedly provided with a hand wheel (505). The device further comprises a pressure-boosting mechanism (6) capable of pressurizing the sewage. The pressure-boosting mechanism (6) comprises a second water inlet pipe (601), a mounting shell (602), a rotating motor (603), a pressure-boosting fan (604), a rotating shaft (605), and a bevel gear (606). The right end of the first water inlet pipe (2) is fixedly connected to the second water inlet pipe (601). The mounting shell (602) is fixedly arranged in the second water inlet pipe (601). The rotating motor (603) is fixedly arranged on the upper portion of the second water inlet pipe (601). The output shaft of the rotating motor (603) passes through the second water inlet pipe (601), and a booster fan (604) capable of boosting the sewage is rotatably provided on the mounting shell (602). A rotating shaft (605) is rotatably provided on the upper portion of the mounting shell (602), and the top end of the rotating shaft (605) is connected to the output shaft of the rotating motor (603) via a coupling. The bottom end of the rotating shaft (605) and the left end of the booster fan (604) are both fixedly provided with a bevel gear (606), and the two bevel gears (606) are meshed with each other; The invention also includes a material blocking mechanism (7) capable of preventing the backflow of metal waste slag, wherein the material blocking mechanism (7) includes a cylinder (701), a fixed disk (702), a rack (704) and a pinion (705), wherein the cylinder (701) is fixedly provided on the mounting sleeve (4), the fixed disk (702) is fixedly provided at the end of the telescopic rod of the cylinder (701), the fixed disk (702) is slidably connected to the mounting sleeve (4), three racks (704) are fixedly provided at even intervals on the top of the fixed disk (702), and the pinion (705) is fixedly provided on the valve (504), and the pinion (705) and the adjacent racks (704) are meshed with each other; It also includes a blocking rod (703), which is symmetrically fixed to the bottom of the fixed plate (702) and can prevent the metal waste from flowing back. The blocking rod (703) penetrates into the first water inlet pipe (2); The connection and isolation between the installation sleeve (4) and the first water inlet pipe (2) are achieved by the up and down movement of the blocking rod (703).

2. A magnetic industrial wastewater impurity removal device according to claim 1, characterized in that: The water inlet pipe (601) further comprises a filter mechanism (8) capable of preliminarily filtering large pieces of metal matter. The filter mechanism (8) comprises a first filter screen (801), screws (802) and a rubber ring (803). The right end of the second water inlet pipe (601) is provided with a first filter screen (801) capable of preliminarily filtering large pieces of metal matter via three screws (802). A rubber ring (803) is fixedly provided on the right side of the first filter screen (801).

3. A magnetic industrial sewage impurity removal device according to claim 2, characterized in that: The invention also includes an air jet mechanism (9) capable of preventing metal waste from blocking the middle of the first water inlet pipe (2). The air jet mechanism (9) includes a support frame (901), an air pump (902) and an air outlet pipe (903). The support frame (901) is fixedly arranged on the rear side of the bottom of the support base (1). The air pump (902) is fixedly arranged on the support frame (901). The front of the air pump (902) is fixedly connected to the air outlet pipe (903). The air outlet pipe (903) is communicated with the first water inlet pipe (2).

4. A magnetic industrial wastewater impurity removal device according to claim 3, characterized in that: The invention also includes an anti-blocking mechanism (10) capable of preventing large pieces of metal waste from blocking the feed pipe (503). The anti-blocking mechanism (10) includes a threaded sleeve (1001), a fixed sleeve (1002) and a second filter screen (1003). The threaded sleeve (1001) is symmetrically arranged in a threaded manner in the middle of the feed pipe (503) in the upper and lower parts. The fixed sleeve (1002) is rotatably connected between two adjacent threaded sleeves (1001). The second filter screen (1003) capable of preventing large pieces of metal waste from blocking the feed pipe (503) is fixedly arranged in the lower part of the fixed sleeve (1002).

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