Submersible chemical magnetic delivery pump

Abstract

The invention provides a submersible chemical magnetic delivery pump, and relates to the technical field of delivery pumps, the submersible chemical magnetic delivery pump comprises a multi-stage pump shell, a multi-stage impeller is rotatably mounted in the multi-stage pump shell, and an impeller rotating shaft is mounted at the center of the multi-stage impeller in a penetrating manner; a short connecting pipe is locked to an opening in the top end of a multi-stage pump shell through a screw, an isolation sleeve is installed in the middle of a top plate of the multi-stage pump shell through a screw in a locking mode, and the isolation sleeve is located in the center of the interior of the short connecting pipe. A vacuum cavity isolated from the multi-stage pump shell is formed in the isolation sleeve and used for rotationally installing an inner magnetic sleeve, and the inner magnetic sleeve is in coupling transmission with the impeller rotating shaft. The bottom side horizontal part of the connecting frame is located below the ferrule, and the short rotating shaft is rotationally matched with the head end of the bottom side horizontal part of the connecting frame in a penetrating mode, the design is reasonable, the structure is compact, the on-site installation environment is improved, only pipelines and no visible equipment are seen from the appearance, and the installation site is cleaner.

Description

Technical Field

[0001] The invention relates to the technical field of delivery pumps, in particular to a submersible chemical magnetic delivery pump. Background Art

[0002] Submersible chemical magnetic delivery pumps are mainly used in petroleum, chemical, light industry, metallurgy, pharmaceutical, papermaking, electric power, environmental protection and other industries. They can deliver low-temperature or high-temperature liquids, neutral or corrosive liquids, clean liquids or liquids containing a small amount of solid particles.

[0003] The isolation sleeves on existing conveying pumps are mostly single-layer settings, with poor resistance to wear and impact, and leakage will directly occur after the single-layer shell wall of the isolation sleeve is split. To a certain extent, the sealing and leakage prevention effect is not satisfactory, and most of them lack a mechanism to detect the leakage of the isolation sleeve, and cannot be discovered and handled in time after the leakage of the isolation sleeve. In addition, the structural design is relatively loose, the pipelines are messy and have irregular protruding supports, resulting in that when it is installed on the container for use, the components and pipelines exposed to the outside of the container are mostly in a messy and untidy state. Summary of the invention

[0004] In view of this, the present invention provides a submersible chemical magnetic conveying pump to solve the problem of lack of a mechanism for detecting leakage of the isolation sleeve, failure to promptly discover and deal with the leakage of the isolation sleeve, and further, the structural design is relatively loose, the pipelines are messy and have irregular protruding supports, resulting in the problem that when the pump is installed in a container for use, the parts and pipelines exposed to the outside of the container are mostly in a messy and untidy state.

[0005] The present invention provides a submersible chemical magnetic delivery pump, which specifically comprises: a multi-stage pump casing, a multi-stage impeller is rotatably installed inside the multi-stage pump casing, and an impeller shaft is installed through the center of the multi-stage impeller; a short pipe is screwed on the top opening of the multi-stage pump casing, and an isolation sleeve is screwed on the middle position of the top plate of the multi-stage pump casing, and the isolation sleeve is located at the inner center of the short pipe; a vacuum cavity is formed inside the isolation sleeve, which is isolated from the multi-stage pump casing, and the vacuum cavity is used for rotatably installing an inner magnetic sleeve, and the inner magnetic sleeve and the impeller are connected to each other. The rotating shaft is connected to the transmission shaft; an L-shaped air pipe is welded through the bottom position of the circumferential outer wall of the short pipe, the head end of the L-shaped air pipe is welded through the bottom position of the circumferential side wall of the isolation sleeve, and the L-shaped air pipe is connected to the vacuum chamber; a vacuum pressure instrument is screwed on the top opening of the vertical support part of the L-shaped air pipe, and a vacuum pump is installed on the top section of the vertical support part of the L-shaped air pipe, and the suction nozzle of the vacuum pump is connected to the L-shaped air pipe; an audible and visual alarm is fixedly installed on the top section of the vertical support part of the L-shaped air pipe on the opposite side of the vacuum pump, The sound and light alarm and the vacuum pump are electrically connected to the central control module of the vacuum pressure instrument. The vacuum pressure instrument can monitor the negative pressure vacuum degree of the isolation sleeve in real time. When the vacuum degree is low, the central control module triggers the sound and light alarm and the vacuum pump. The sound and light alarm reminds the staff to pay attention to the temporary loss of pressure of the isolation sleeve, and the vacuum pump evacuates the isolation sleeve through the L-shaped air pipe to restore the negative pressure vacuum degree of the isolation sleeve. When the vacuum degree is restored to the standard state, the central control module powers off and shuts down the sound and light alarm and the vacuum pump. When the vacuum degree cannot be restored for a long time and the sound and light alarm alarms for a long time, it is determined that the isolation sleeve is leaking. At this time, the staff can deal with the leakage of the isolation sleeve more promptly, and use this as a basis to observe the operation of the pump body in the liquid in time; the circumferential side wall of the isolation sleeve is arranged in two layers, inner and outer; the top part of the short pipe is welded to the top plate of the container containing the chemical solution, and most of the short pipe and the multi-stage pump casing are inserted and hidden in the interior of the container containing the chemical solution; the vertical support part of the L-shaped air pipe is matched with the top plate of the container containing the chemical solution.

[0006] At least in some embodiments, a water outlet pipe is welded to the top portion of the circumferential outer wall of the multi-stage pump casing. The water outlet pipe is an L-shaped structure as a whole, and the horizontal portion of the water outlet pipe penetrates and cooperates with the side wall of the container containing the chemical solution.

[0007] At least in some embodiments, a circular bottom cover is sealed on the bottom opening of the multi-stage pump casing by screw locking, a suction pipe is welded downward from the bottom center of the circular bottom cover, a ring is welded at the bottom of the suction pipe, and the bottom section of the impeller shaft extends and is inserted into the suction pipe.

[0008] At least in some embodiments, a filter component is inserted and installed in the ring, and the filter component as a whole is composed of an outer support ring and a tripod welded inside the outer support ring, wherein the tripod divides the internal space of the outer support ring into three fan-shaped filter slots, and the three filter slots are all covered with metal filter meshes.

[0009] At least in some embodiments, a submersible motor is mounted on the bottom of the circular bottom cover by screw locking, a threaded rod is provided at the center of the submersible motor, and the bottom end of the threaded rod is rotatably connected to the top end of the ring.

[0010] At least in some embodiments, a connection frame is screwed onto the threaded rod, and the connection frame is a continuous vertical fold structure.

[0011] At least in some embodiments, a short rotating shaft supporting downward is welded at the bottom of the center of the tripod, and a hexagonal transmission shaft is welded at the top of the center of the tripod. The hexagonal transmission shaft is slidably plugged into the bottom section of the impeller shaft. Under normal circumstances, the impeller shaft can rotate to drive the filter component to rotate inside the ring. Through the threaded rod, the submersible motor can rotate forward and reverse to drive the connecting frame and the filter component to rise and fall along the impeller shaft. When the filter component descends and separates from the ring, the filter component driven by the impeller shaft to rotate at a high speed can centrifugally throw off the impurities intercepted and accumulated at its upper and lower ends, thereby clearing and cleaning the metal filter.

[0012] At least in some embodiments, the bottom horizontal portion of the connection frame is located below the ferrule, and the short rotating shaft penetrates and rotates with the head end of the bottom horizontal portion of the connection frame.

[0013] At least in some embodiments, a motor is installed above the short pipe, a protective tube is installed at the bottom of the motor by screw locking, and the protective tube is fixedly connected to the short pipe by screw locking.

[0014] At least in some embodiments, the bottom of the motor shaft is connected to an outer magnetic sleeve through a coupling, the outer magnetic sleeve is rotatably inserted into the isolation sleeve, the outer magnetic sleeve is located in the short pipe, and the coupling is located in the protective tube.

[0015] Beneficial Effects

[0016] 1. The present invention has a reasonable design and compact structure, which improves the on-site installation environment. From the outside, there are only pipelines but no visible equipment, making the installation site tidier.

[0017] 2. The vacuum pressure instrument of the present invention can monitor the negative pressure vacuum degree of the isolation sleeve in real time. When the vacuum degree is low, the central control module triggers the start of the sound and light alarm and the vacuum pump. The sound and light alarm reminds the staff to pay attention to the temporary loss of pressure in the isolation sleeve, and the vacuum pump evacuates the isolation sleeve through the L-shaped air pipe to restore the negative pressure vacuum degree of the isolation sleeve to ensure the normal implementation of the isolation sleeve function. When the vacuum degree is restored to the standard state, the central control module powers off the sound and light alarm and the vacuum pump. When the vacuum degree cannot be restored for a long time and the sound and light alarm alarms for a long time, it is determined that the isolation sleeve is leaking. At this time, the staff can deal with the leakage of the isolation sleeve more promptly, and use this as a basis to promptly observe the operation of the pump body in the liquid.

[0018] 3. The inner magnetic sleeve of the present invention rotates in the vacuum cavity inside the isolation sleeve, and the resistance from the gas is extremely small, which helps to reduce the kinetic energy loss of the inner magnetic sleeve and the impeller shaft when they are driven to rotate and the consumption of electric energy by the motor.

[0019] 4. The present invention can realize centrifugal unclogging of the metal filter without stopping the machine by driving the filter component to slide down and fall out through a submersible motor, which saves the trouble of stopping the delivery pump, manually entering the container containing the chemical solution, or disassembling and removing the delivery pump and the filter component to carry out unclogging and cleaning. The cleaning operation of the filter component is convenient and trouble-free, which helps to indirectly improve the production and use efficiency of the delivery pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0021] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0022] In the attached picture: Figure 1 It is a schematic diagram of the overall structure of the submersible chemical magnetic delivery pump of the present invention.

[0023] Figure 2 It is a schematic diagram of the overall bottom side structure of the submersible chemical magnetic delivery pump of the present invention.

[0024] Figure 3 The utility model is a schematic diagram of the inner side structure of a half-section of a short pipe of a submersible chemical magnetic delivery pump of the present invention.

[0025] Figure 4 The utility model is a schematic diagram of the inner side structure of a half-section of an isolation sleeve of a submersible chemical magnetic delivery pump of the present invention.

[0026] Figure 5 The utility model is a schematic diagram of the bottom side structure of the circular bottom cover of the submersible chemical magnetic delivery pump of the present invention.

[0027] Figure 6 It is a schematic diagram of the circular bottom cover structure of the submersible chemical magnetic delivery pump of the present invention.

[0028] Figure 7 The utility model is a schematic diagram of the structure of the bottom side of the ferrule of the submersible chemical magnetic delivery pump of the present invention.

[0029] Figure 8 It is a schematic diagram of the connection frame structure of the submersible chemical magnetic delivery pump of the present invention.

[0030] Fig. 9 It is a schematic diagram of the overall installation and use status of the submersible chemical magnetic delivery pump of the present invention.

[0031] Reference numerals list 1. Multi-stage pump casing; 101. Round bottom cover; 102. Short pipe; 103. Ring; 104. Water outlet pipe; 105. Impeller shaft; 2. Motor; 201. Protective tube; 202. External magnetic sleeve; 3. L-shaped air pipe; 4. Vacuum pressure instrument; 5. Vacuum pump; 6. Sound and light alarm; 7. Filter component; 701. Short rotating shaft; 702. Hexagonal transmission shaft; 8. Submersible motor; 801. Threaded rod; 802. Connection frame; 9. Isolation set. DETAILED DESCRIPTION

[0032] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of specific embodiments of the present invention.

[0033] Please refer to Figures 1 to 9 As shown: Embodiment 1:

[0034] The present invention provides a submersible chemical magnetic delivery pump, comprising a multi-stage pump casing 1, wherein a multi-stage impeller is rotatably installed inside the multi-stage pump casing 1, and an impeller shaft 105 is installed through the center of the multi-stage impeller; a short pipe 102 is screwed on the top opening of the multi-stage pump casing 1, and an isolation sleeve 9 is screwed on the middle position of the top plate of the multi-stage pump casing 1, and the isolation sleeve 9 is located at the inner center of the short pipe 102; a vacuum cavity isolated from the multi-stage pump casing 1 is formed inside the isolation sleeve 9, and the vacuum cavity is used for rotatably installing an inner magnetic sleeve, and the inner magnetic sleeve is axially connected to the impeller shaft 105 for transmission; an L-shaped gas pipe 102 is welded through the bottom position of the circumferential outer wall of the short pipe 102 Tube 3, the head end part of the L-shaped air pipe 3 is welded to the bottom position of the circumferential side wall of the isolation sleeve 9, and the L-shaped air pipe 3 is connected to the vacuum cavity; a vacuum pressure instrument 4 is screwed on the top opening of the vertical support part of the L-shaped air pipe 3, and a vacuum pump 5 is installed on the top section of the vertical support part of the L-shaped air pipe 3, and the suction nozzle of the vacuum pump 5 is connected to the L-shaped air pipe 3, and the resistance from the gas in the vacuum cavity inside the isolation sleeve 9 when the inner magnetic sleeve rotates is extremely small, which helps to reduce the kinetic energy loss of the inner magnetic sleeve and the impeller shaft 105 when they are driven to rotate and the consumption of electric energy by the motor 2; a sound source is fixedly installed on the top section of the vertical support part of the L-shaped air pipe 3 on the opposite side of the vacuum pump 5 The optical alarm 6, the sound and light alarm 6 and the vacuum pump 5 are all electrically connected to the central control module of the vacuum pressure instrument 4. The vacuum pressure instrument 4 can monitor the negative pressure vacuum degree of the isolation sleeve 9 in real time. When the vacuum degree is low, the central control module triggers the sound and light alarm 6 and the vacuum pump 5. The sound and light alarm 6 reminds the staff to pay attention to the temporary loss of pressure of the isolation sleeve 9, and the vacuum pump 5 evacuates the isolation sleeve 9 through the L-shaped air pipe 3 to restore the negative pressure vacuum degree of the isolation sleeve 9 to ensure the normal implementation of the isolation sleeve 9 function. When the vacuum degree is restored to the standard state, the central control module powers off and shuts down the sound and light alarm 6 and the vacuum pump 5. When the vacuum degree cannot be restored for a long time, the sound and light alarm 6 will be turned off for a long time. When the alarm is sounded, it is determined that the isolation sleeve 9 is leaking. At this time, the staff can deal with the leakage of the isolation sleeve 9 in a relatively timely manner, and use this as a basis to timely observe the operation of the pump body in the liquid; the circumferential side wall of the isolation sleeve 9 is arranged in an inner and outer layer; the top part of the short pipe 102 is penetrated and welded with the top plate of the container containing the chemical solution, and most of the short pipe 102 and the multi-stage pump casing 1 are inserted and hidden in the interior of the container containing the chemical solution; the vertical support part of the L-shaped air pipe 3 is penetrated and matched with the top plate of the container containing the chemical solution. The design of the present invention is reasonable and the structure is compact, which improves the on-site installation environment. From the outside, there are only pipelines without visible equipment, and the installation site is tidier.

[0035] The specific brand of the vacuum pressure instrument 4 is: MEACON; the model is: MIK-Y190.

[0036] In the disclosed embodiment, a water outlet pipe 104 is welded to the top portion of the circumferential outer wall of the multi-stage pump housing 1. The water outlet pipe 104 is an L-shaped structure as a whole, and the horizontal portion of the water outlet pipe 104 penetrates and cooperates with the side wall of the container containing the chemical solution.

[0037] In the disclosed embodiment, a circular bottom cover 101 is sealed on the bottom opening of the multi-stage pump casing 1 by screw locking, a water suction pipe is welded downward at the bottom center of the circular bottom cover 101, a ring 103 is welded at the bottom of the water suction pipe, and the bottom section of the impeller shaft 105 is extended and inserted into the water suction pipe.

[0038] In the disclosed embodiment, a filter component 7 is inserted and installed in the ring 103. The filter component 7 as a whole is composed of an outer support ring and a tripod welded inside the outer support ring, wherein the tripod divides the internal space of the outer support ring into three fan-shaped filter slots, and the three filter slots are all covered with metal filter meshes.

[0039] In the embodiment of the present disclosure, a submersible motor 8 is hoisted at the bottom of the circular bottom cover 101 by screw locking, and a threaded rod 801 is arranged at the center of the submersible motor 8. The bottom end of the threaded rod 801 is rotatably connected to the top part of the ring 103. Through the threaded rod 801, the submersible motor 8 can rotate forward and reverse to drive the connecting frame 802 and the filter component 7 to rise and fall along the impeller shaft 105, and when the filter component 7 descends and disengages from the ring 103, the filter component 7 driven by the impeller shaft 105 to rotate at a high speed can centrifugally throw off the impurities intercepted and accumulated at its upper and lower ends, and clear and clean the metal filter screen, and then the submersible motor 8 drives the filter component 7 to slide down and fall out, so that the metal filter screen can be centrifugally cleared without stopping the machine, which saves the trouble of stopping the delivery pump, manually entering the container containing the chemical solution, or disassembling and removing the delivery pump as a whole and the filter component 7 to implement clearing and cleaning. The cleaning operation of the filter component 7 is convenient and trouble-free, which helps to indirectly improve the production and use efficiency of the delivery pump.

[0040] In the disclosed embodiment, a connection frame 802 is screwed onto the threaded rod 801 , and the connection frame 802 is a continuous vertical folding structure.

[0041] In the disclosed embodiment, a short rotating shaft 701 supporting downward is welded at the bottom of the center of the tripod, and a hexagonal transmission shaft 702 is welded at the top of the center of the tripod. The hexagonal transmission shaft 702 is slidably plugged into the bottom section of the impeller shaft 105. Through the hexagonal transmission shaft 702, under normal conditions, the impeller shaft 105 can be rotated to drive the filter component 7 to rotate inside the ring 103, and through the hexagonal transmission shaft 702, the filter component 7 can slide up and down along the impeller shaft 105.

[0042] In the disclosed embodiment, the bottom horizontal portion of the connection frame 802 is located below the ferrule 103 , and the short rotating shaft 701 penetrates and rotates with the head end of the bottom horizontal portion of the connection frame 802 .

[0043] Embodiment 2:

[0044] The present invention provides a submersible chemical magnetic delivery pump, which also includes a motor 2 installed above the short pipe 102, a protective tube 201 installed at the bottom of the motor 2 by screw locking, and the protective tube 201 is fixedly connected to the short pipe 102 by screw locking.

[0045] In the disclosed embodiment, an outer magnetic sleeve 202 is connected to the bottom of the rotating shaft of the motor 2 through a coupling. The outer magnetic sleeve 202 is rotatably inserted into the isolation sleeve 9, and the outer magnetic sleeve 202 is located in the short pipe 102, and the coupling is located in the protective tube 201.

[0046] Specific usage and function of this embodiment: In the present invention, the vacuum pressure instrument 4 can monitor the negative pressure vacuum degree of the isolation sleeve 9 in real time. When the vacuum degree is low, the central control module triggers the start-up of the sound and light alarm 6 and the vacuum pump 5, wherein the sound and light alarm 6 reminds the staff to pay attention to the temporary loss of pressure of the isolation sleeve 9, and the vacuum pump 5 evacuates the isolation sleeve 9 through the L-shaped air pipe 3 to restore the negative pressure vacuum degree of the isolation sleeve 9. When the vacuum degree is restored to the standard state, the central control module powers off and shuts down the sound and light alarm 6 and the vacuum pump 5. When the vacuum degree cannot be restored for a long time and the sound and light alarm 6 alarms for a long time, it is determined that the isolation sleeve 9 is leaking. At this time, the staff can deal with the leakage of the isolation sleeve 9 in a relatively timely manner, and use this as a basis to timely observe the operation of the pump body in the liquid; Under normal conditions, the impeller shaft 105 can rotate to drive the filter component 7 to rotate inside the ring 103, and through the hexagonal transmission shaft 702, the filter component 7 can slide up and down along the impeller shaft 105. Through the threaded rod 801, the submersible motor 8 can rotate forward and reverse to drive the connecting frame 802 and the filter component 7 to rise and fall along the impeller shaft 105. When the filter component 7 descends and separates from the ring 103, the filter component 7 driven by the impeller shaft 105 to rotate at a high speed can centrifugally throw off the impurities intercepted and accumulated at its upper and lower ends, thereby clearing and cleaning the metal filter.

Claims

1. Submersible chemical magnetic delivery pump, including: A multi-stage pump casing (1), wherein a multi-stage impeller is rotatably mounted inside the multi-stage pump casing (1), and an impeller shaft (105) is installed through the center of the multi-stage impeller; the characteristics are: a short pipe (102) is screwed on the top opening of the multi-stage pump casing (1), and an isolation sleeve (9) is screwed on the middle position of the top plate of the multi-stage pump casing (1), and the isolation sleeve (9) is located at the center of the short pipe (102); a vacuum cavity is formed inside the isolation sleeve (9) and is isolated from the multi-stage pump casing (1), and the vacuum cavity is used for rotatably mounting an inner magnetic sleeve, and the inner magnetic sleeve is axially connected to the impeller shaft (105) for transmission; an L-shaped air pipe (3) is welded through the bottom position of the circumferential outer wall of the short pipe (102), the head end of the L-shaped air pipe (3) is welded through the bottom position of the circumferential side wall of the isolation sleeve (9), and the L-shaped air pipe (3) is connected to the vacuum cavity; A vacuum pressure instrument (4) is screwed on the top opening of the vertical support portion of the L-shaped air pipe (3), and a vacuum pump (5) is installed on the top section of the vertical support portion of the L-shaped air pipe (3), and the suction nozzle of the vacuum pump (5) is connected to the L-shaped air pipe (3); an audible and visual alarm (6) is fixedly installed on the top section of the vertical support portion of the L-shaped air pipe (3) on the opposite side of the vacuum pump (5), and the audible and visual alarm (6) and the vacuum pump (5) are both electrically connected to the central control module of the vacuum pressure instrument (4); the circumferential side wall of the isolation sleeve (9) is arranged in two layers, inner and outer; the top portion of the short pipe (102) is penetrated and welded to the top plate of the container containing the chemical solution, and the majority of the short pipe (102) and the multi-stage pump housing (1) are inserted and hidden inside the container containing the chemical solution; the vertical support portion of the L-shaped air pipe (3) is penetrated and matched with the top plate of the container containing the chemical solution.

2. The submersible chemical magnetic delivery pump according to claim 1, characterized in that: A water outlet pipe (104) is welded to the top end of the circumferential outer wall of the multi-stage pump casing (1); the water outlet pipe (104) is an L-shaped structure as a whole, and the horizontal portion of the water outlet pipe (104) penetrates and cooperates with the side wall of the container containing the chemical solution.

3. The submersible chemical magnetic delivery pump according to claim 1, characterized in that: A circular bottom cover (101) is sealed on the bottom opening of the multi-stage pump casing (1) by means of screw locking, a water suction pipe is welded downward at the bottom center of the circular bottom cover (101), a collar (103) is welded at the bottom of the water suction pipe, and a bottom section of the impeller shaft (105) is extended and inserted into the water suction pipe.

4. The submersible chemical magnetic delivery pump as claimed in claim 3, characterized in that: A filter component (7) is inserted and installed in the ferrule (103), and the filter component (7) as a whole is composed of an outer support ring and a tripod frame welded inside the outer support ring, wherein the tripod frame divides the internal space of the outer support ring into three fan-shaped filter slots, and the three filter slots are all covered with metal filter screens.

5. The submersible chemical magnetic delivery pump as claimed in claim 4, characterized in that: A submersible motor (8) is mounted on the bottom of the circular bottom cover (101) by screw locking. A threaded rod (801) is provided at the center of the submersible motor (8). The bottom end of the threaded rod (801) is rotatably connected to the top end of the ring (103).

6. The submersible chemical magnetic delivery pump according to claim 5, characterized in that: A connection frame (802) is screwed onto the threaded rod (801), and the connection frame (802) is a continuous vertical folding structure.

7. The submersible chemical magnetic delivery pump according to claim 6, characterized in that: A short rotating shaft (701) supporting downwards is welded at the bottom of the center of the tripod, and a hexagonal transmission shaft (702) is welded at the top of the center of the tripod. The hexagonal transmission shaft (702) is slidably plugged into the bottom section of the impeller rotating shaft (105).

8. The submersible chemical magnetic delivery pump as claimed in claim 7, characterized in that: The bottom horizontal portion of the connection frame (802) is located below the collar (103), and the short rotating shaft (701) penetrates and rotates with the head end of the bottom horizontal portion of the connection frame (802).

9. The submersible chemical magnetic delivery pump according to claim 1, characterized in that: A motor (2) is installed above the short pipe (102), a protective tube (201) is installed at the bottom of the motor (2) by screw locking, and the protective tube (201) is fixedly connected to the short pipe (102) by screw locking.

10. The submersible chemical magnetic delivery pump according to claim 9, characterized in that: The bottom of the motor (2) shaft is connected to an outer magnetic sleeve (202) via a coupling, the outer magnetic sleeve (202) and the isolation sleeve (9) are rotatably inserted into each other, the outer magnetic sleeve (202) is located in the short pipe (102), and the coupling is located in the protective tube (201).

Images