A device for treating water pollution in a paper mill

Abstract

The application discloses a paper mill water pollution treatment device, which comprises a sedimentation treatment tank, a water inlet and a water outlet communicated with the sedimentation treatment tank, the sedimentation treatment tank is in a square shape, a V-shaped bottom with a V-shaped section is arranged in the bottom of the sedimentation treatment tank, and a sludge output mechanism matched with the V-shaped bottom is arranged in the bottom of the sedimentation treatment tank, the sedimentation treatment tank is arranged in a V-shaped structure, so that the sediments can be gathered in the center of the V-shaped bottom, the sludge pump is arranged in a movable structure, when pumping, the sludge pump is driven to move along one end of the V-shaped bottom to the other end through the moving driving mechanism, so that the whole bottom is pumped, the sludge can be completely pumped out, a sludge scraping device is not needed to be additionally arranged to cooperate with the sludge pump, the sludge is not easy to be stirred and floated up in the pumping process, and residual sludge is reduced. The sealing sleeve and the hard blow-off pipe are matched to realize the sealing of the hard blow-off pipe, and leakage is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of water pollution treatment, in particular to a paper mill water pollution treatment device. BACKGROUND

[0002] Papermaking wastewater refers to wastewater generated in the pulping and papermaking process. It includes pulping cooking wastewater, washing wastewater, bleaching wastewater, and paper machine white water, etc. Papermaking wastewater is complex in composition and poor in biodegradability, and is one of the main industrial pollution sources in China.

[0003] Among them, an important process of wastewater treatment is sedimentation and separation. By adding reagents to the wastewater and precipitating in the sedimentation tank, the flocculation in the wastewater can be precipitated and separated out. The sediment in the sedimentation tank is discharged by a sludge pump. In the prior art, the sludge pump is fixed in the sedimentation tank to keep fixed. The sludge is scraped to the position of the sludge pump by a mud scraper and then pumped out by the sludge pump. However, the mud scraper will stir the water flow when working, and the sediment will be stirred again to a floating state, affecting the sludge collection effect. Moreover, if there is too much sediment, the mud scraper may not be able to scrape it. SUMMARY

[0004] The purpose of the present application is to solve the problems in the prior art, and to provide a paper mill water pollution treatment device. The sludge pump is movably arranged and can move along the bottom of the sedimentation tank, so as to facilitate the collection and removal of sludge.

[0005] To achieve the above-mentioned purpose, the present application provides a paper mill water pollution treatment device, which comprises a sedimentation treatment tank, a water inlet and a water outlet connected with the sedimentation treatment tank, the sedimentation treatment tank is in a rectangular shape, and a V-shaped bottom with a "V" shaped cross section is arranged on the inner bottom of the sedimentation treatment tank, a sludge output mechanism matched with the V-shaped bottom is arranged on the bottom of the sedimentation treatment tank, the sludge output mechanism comprises a pump body support frame horizontally arranged in the V-shaped bottom, at least one sludge pump arranged on the pump body support frame, a moving drive mechanism for driving the pump body support frame to move back and forth along the longitudinal extension direction of the V-shaped bottom is further arranged in the sedimentation treatment tank, the output end of the sludge pump is arranged towards the bottom of the V-shaped bottom, and a hard drain pipe is arranged on the output end, a sealing sleeve matched with the hard drain pipe is arranged on the wall of the sedimentation treatment tank, and the hard drain pipe and the sealing sleeve are axially slidably connected.

[0006] As a preferred, a second hard pipe matched with the hard drain pipe is further arranged outside the sedimentation treatment tank, and the second hard pipe and the hard drain pipe are axially slidably connected.

[0007] As preferred, the second hard pipe is provided with a branch pipe, the branch pipe is communicated with the second hard pipe through a first three-way valve, and the other end of the branch pipe is communicated with the middle or upper portion of the sediment treatment tank.

[0008] As preferred, the two ends of the pump body support frame are provided with first magnetic couplings, the movement driving mechanism comprises linear drives arranged on the two sides of the sediment treatment tank, the linear drives are arranged at positions on the two ends of the linear drives, and the moving portions of the linear drives are provided with second magnetic couplings for magnetic cooperation with the first magnetic couplings.

[0009] As preferred, the top of the sediment treatment tank is further provided with a scum removing mechanism, the scum removing mechanism comprises a blowing device, a sliding rod arranged at positions on the two ends of the blowing device, and a chain plate elevator arranged at one end of the sediment treatment tank, the chain plate elevator is arranged obliquely, the end of the chain plate elevator with a lower horizontal height is immersed in the sediment treatment tank, and the other end of the chain plate elevator extends out of the sediment treatment tank, the two ends of the blowing device are slidably connected with the sliding rod through sliding members and can translate along the sliding rod towards or away from the chain plate elevator, and the blowing device is arranged obliquely towards the side close to the chain plate elevator.

[0010] As preferred, the sliding rod is arranged in the same direction as the linear drives, the two ends of the blowing device are provided with first arm bodies extending towards the linear drives, and the moving portions of the linear drives are provided with transmission connectors arranged upwards and used for cooperation with the first arm bodies to connect or separate the first arm bodies.

[0011] As preferred, the transmission connector comprises a lifting cylinder arranged upwards, and a second arm body arranged on the cylinder arm of the lifting cylinder, and the second arm body is provided with a slot used for plug-in cooperation with the first arm body.

[0012] As preferred, the second magnetic couplings are electromagnet couplings.

[0013] As preferred, the two sides of the chain plate elevator are provided with inclined baffles used for cooperation.

[0014] As preferred, the middle portion of the sediment treatment tank is provided with a plurality of inclined pipes arranged obliquely.

[0015] As preferred, the V-shaped bottom is paved with pump body limiting sliding rods used for cooperation with the pump body support frame, and the two ends of the pump body support frame are provided with pump body sliding sleeves used for sliding cooperation with the pump body limiting sliding rods.

[0016] As preferred, the water inlet comprises a water inlet pipe and a follow-up dosing mechanism arranged at the outlet position of the water inlet pipe, the follow-up dosing mechanism comprises an impeller arranged at the outlet position of the water inlet pipe, a rotating support synchronously connected with the impeller, a hose arranged at the outer periphery of the rotating support, and at least two rollers arranged circumferentially on the rotating support and used for pressing the hose, the rollers are arranged in an annular array, and the input end of the hose is connected with a dosing tank and the output end is connected with the inside of the sediment treatment tank.

[0017] As preferred, the water inlet comprises a water inlet pipe and a follow-up dosing mechanism arranged at the outlet position of the water inlet pipe, the follow-up dosing mechanism comprises an impeller arranged at the outlet position of the water inlet pipe, a rotating support synchronously connected with the impeller, a hose arranged at the outer periphery of the rotating support, and at least two rollers arranged circumferentially on the rotating support and used for pressing the hose, the rollers are arranged in an annular array, and the input end of the hose is connected with a dosing tank and the output end is connected with the inside of the sediment treatment tank.

[0018] As preferred, a shell cover is arranged at the upper side of the follow-up dosing mechanism, the rotating support and the hose are arranged in the shell cover, the shell cover is circumferentially provided with a plurality of dosing outlets, and the inside of the shell cover is provided with passages connected with the dosing outlets, and the output end of the hose is connected with the input end of the passages.

[0019] The paper mill water pollution treatment device has the following advantages: the V-shaped structure of the sediment treatment tank can make the sediments gather at the center of the V-shaped bottom, the movable structure of the sludge pump can drive the sludge pump to move along the V-shaped bottom from one end to the other end to suck the whole bottom, so that the sludge can be completely sucked out without the cooperation of a separate sludge scraping device, and the sludge is not easy to be stirred and floated up during the suction process, thereby reducing the residue; and the sealing sleeve and the hard blow-off pipe can realize the sealing of the hard blow-off pipe to avoid leakage.

[0020] The features and advantages of the present application will be described in detail with reference to the embodiments and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 Fig. 1 is a perspective structural schematic view of the first embodiment of the paper mill water pollution treatment device.

[0022] Figure 2 Fig. 2 is a side structural schematic view of the first embodiment of the paper mill water pollution treatment device.

[0023] Figure 3 Fig. 3 is a bottom structural schematic view of the first embodiment of the paper mill water pollution treatment device.

[0024] Figure 4It is the cross section structure schematic diagram of the embodiment one of the paper mill water pollution treatment device.

[0025] Figure 5 It is the main structure schematic diagram of the embodiment two and three of the paper mill water pollution treatment device.

[0026] Figure 6 It is the main structure schematic diagram of the follow-up dosing mechanism.

[0027] Figure 7 It is the shell cover, rotating support and hose structure schematic diagram of the follow-up dosing mechanism.

[0028] In the figure: 1-pelletization treatment pool, 2-pump body support frame, 3-sludge pump, 4-hard blow-off pipe, 5-sealing sleeve, 6-linear driver, 7-blowing device, 8-sliding rod, 9-chain plate elevator, 10-transmission connecting piece, 11-inlet, 12-outlet, 21-first magnetic coupling, 51-branch pipe, 52-first three-way valve, 61-second magnetic coupling, 81-first arm body, 101-V-shaped bottom, 102-pump body limiting sliding rod, 103-pump body sliding sleeve, 111-inlet pipe, 112-impeller, 113-rotating support, 114-roller, 115-hose, 116-dosing tank, 119-shell cover, 1191-dosing outlet. DETAILED DESCRIPTION

[0029] In order to make the objects, technical solutions and advantages of the present application clearer, the following further describes the present application with the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the scope of the present application. In addition, in the following description, the description of the known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present application.

[0030] In the description of the present application, it should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0031] In the description of the present application, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the application is usually placed during use, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0032] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. Embodiment one

[0033] Reference Figures 1-4The application discloses a paper mill water pollution treatment device, which comprises a sedimentation treatment tank 1, a water inlet 11 and a water outlet 12 communicated with the sedimentation treatment tank 1, wherein the sedimentation treatment tank 1 is in a rectangular shape, a V-shaped bottom 101 in a V-shaped cross section is arranged at the bottom of the sedimentation treatment tank 1, a sludge output mechanism is arranged at the bottom of the sedimentation treatment tank 1, the sludge output mechanism comprises a pump body support frame 2 arranged horizontally in the V-shaped bottom 101, and a sludge pump 3 arranged on the pump body support frame 2, a moving drive mechanism for driving the pump body support frame 2 to move reciprocally along the longitudinal extension direction of the V-shaped bottom 101 is further arranged in the sedimentation treatment tank 1, the output end of the sludge pump 3 is arranged towards the bottom of the V-shaped bottom 101, a hard drain pipe 4 is arranged at the output end, a sealing sleeve 5 matched with the hard drain pipe 4 is arranged on the wall of the sedimentation treatment tank 1, and the hard drain pipe 4 is axially and slidably connected with the sealing sleeve 5. In the embodiment, the sedimentation treatment tank 1 is arranged in a V-shaped structure, so that the sediments can be gathered in the center of the V-shaped bottom 101, the sludge pump 3 is arranged in a movable structure, when pumping, the sludge pump 3 is driven by the moving drive mechanism to move along one end of the V-shaped bottom 101 to the other end, so that the whole bottom is pumped, the sludge can be completely pumped out, the mud scraping equipment is not needed to be additionally arranged and matched, the sludge is not easy to be stirred and floated up in the pumping process, and the residue is reduced. The sealing sleeve 5 matched with the hard drain pipe 4 can realize the sealing of the hard drain pipe 4, and leakage is avoided.

[0034] Referring to Figure 1 , Figure 4 , first magnetic couplings 21 are arranged at the two ends of the pump body support frame 2, the moving drive mechanism comprises linear drives 6 arranged at the two sides of the sedimentation treatment tank 1, the linear drives 6 are arranged at the positions at the two ends of the linear drives 6, and second magnetic couplings 61 for magnetically matching with the first magnetic couplings 21 are arranged on the moving parts of the linear drives 6. The moving drive mechanism realizes transmission through the matching of the first magnetic couplings 21 and the second magnetic couplings 61, the linear drives 6 are arranged outside the sedimentation treatment tank 1 and do not need to be contacted with the sewage, so that the linear drives 6 are protected, the linear drives 6 are convenient to maintain, the internal structure of the sedimentation treatment tank 1 is simpler, and the stirring influence on the sewage is smaller in the moving process.

[0035] Referring to Figure 1 , in order to conveniently match with other pipes, a second hard pipe 5 matched with the hard drain pipe 4 is further arranged outside the sedimentation treatment tank 1, the second hard pipe 5 is axially and slidably connected with the hard drain pipe 4, and the second hard pipe 5 is fixed in position and is convenient to connect with other pipes.

[0036] Specifically, a plurality of inclined pipes (not shown in the figure) are arranged at the middle part of the sedimentation treatment tank 1. The sediments can be prevented from floating up again.

[0037] Referring to Figure 4 The V-shaped bottom 101 is provided with pump body limiting slide rods 102 on both sides for cooperating with the pump body support frame 2, and the pump body support frame 2 is provided with pump body slide sleeves 103 at both ends for slidingly cooperating with the pump body limiting slide rods 102. The sliding limiting and supporting of the pump body support frame 2 avoid its bottom touching. Embodiment two

[0038] Referring to Figure 5 On the basis of the first embodiment, in order to facilitate the flushing of the bottom of the sediment treatment tank 1, a branch pipe 51 is arranged on the second hard pipe 5, the branch pipe 51 is communicated with the second hard pipe 5 through a first three-way valve 52, and the other end of the branch pipe 51 is communicated with the upper layer of the sediment treatment tank 1 or an external water source. The sludge pump 3 is a bidirectional pump. The sludge pump 3 of the present embodiment can be reversed to suck and can be back-flushed. When the bottom of the sediment treatment tank 1 needs to be flushed, the sludge pump 3 is controlled to be reversed, and cooperates with the moving driving mechanism to comprehensively flush the bottom of the sediment treatment tank 1, which facilitates the cleaning of the bottom of the sediment treatment tank 1. The back-flushing can also be performed when the sediment in the sediment treatment tank 1 needs to be stirred, so that the sediment in the sediment treatment tank 1 is effectively dispersed. Embodiment three

[0039] Referring to Figure 5 On the basis of the first or second embodiment, in order to facilitate the skimming of the scum in the sediment treatment tank 1, a scum removing mechanism is further arranged on the top of the sediment treatment tank 1. The scum removing mechanism comprises a blowing device 7, slide rods 8 arranged at both ends of the blowing device 7, and a chain plate elevator 9 arranged at one end of the sediment treatment tank 1. The chain plate elevator 9 is arranged obliquely, and one end of the chain plate elevator 9 with a lower horizontal height is immersed in the sediment treatment tank 1, and the other end extends out of the sediment treatment tank 1. The two ends of the blowing device 7 are slidably connected with the slide rods 8 through sliding members and can translate along the slide rods 8 towards or away from the chain plate elevator 9. The blowing device 7 is arranged obliquely towards the side close to the chain plate elevator 9. In the present embodiment, when the scum is collected, the blowing device 7 is first controlled to move to the end away from the chain plate elevator 9, and then the blowing device 7 is turned on and translated towards the chain plate elevator 9. The gas blown out by the blowing device 7 blows the scum to the chain plate elevator 9. One end of the chain plate elevator 9 is immersed in the tank, and the scum is fished out by the chain plate elevator 9. The scum fishing is more convenient, and the liquid in the sediment tank does not need to be stirred, so that the sedimentation is not affected.

[0040] Referring to Figure 5In order to drive the air blowing device 7 to move, the slide rod 8 is arranged in the same direction with the linear driver 6, the air blowing device 7 is provided with the first arm body 81 extending to the direction of the linear driver 6 at both ends, the moving part of the linear driver 6 is provided with the transmission connecting piece 10 arranged upward and used for cooperating with the first arm body 81 to connect or separate with the first arm body 81, the transmission connecting piece 10 comprises the lifting cylinder 101 arranged upward, the second arm body 102 arranged on the cylinder arm of the lifting cylinder 101, and the insertion slot 1021 arranged on the second arm body 102 and used for plug-in cooperation with the first arm body 81. In the embodiment, the air blowing device 7 shares a set of linear driver 6 with the sludge pump 3 to drive, so that the cost is saved and the equipment volume is reduced. When the air blowing device 7 needs to be driven, the moving part of the linear driver 6 moves to the lower side of the first arm body 81, the lifting cylinder 101 drives the second arm body 102 to rise, so that the insertion slot 1021 of the second arm body 102 is plug-in cooperated with the first arm body 81, the connection of the two is completed, and the linear driver 6 can drive the air blowing device 7 to move. When the separation is needed, the second arm body 102 is driven to descend by the lifting cylinder 101.

[0041] Specifically, the second magnetic coupling 61 is an electromagnet coupling. The electromagnet coupling has magnetism when powered on and loses magnetism when powered off. The connection or separation of the electromagnet coupling with the first magnetic coupling 21 can be controlled by controlling the power-on and power-off of the electromagnet coupling, and the separation of the electromagnet coupling from the first magnetic coupling 21 can be controlled when the linear driver 6 drives the air blowing device 7.

[0042] Specifically, the sedimentation treatment tank 1 is further provided with a plurality of positioning sensors for positioning the positions of the air blowing device 7 and the first magnetic coupling 21.

[0043] Specifically, the chain plate elevator 9 is provided with the inclined baffle (not shown in the figure) used for cooperation. The floating dregs can be guided to the chain plate elevator 9. Embodiment four

[0044] Referring to Figure 6 , Figure 7The water inlet 11 comprises a water inlet pipe 111 and a follow-up dosing mechanism arranged at the outlet position of the water inlet pipe 111, the follow-up dosing mechanism comprises an impeller 112 arranged at the outlet position of the water inlet pipe 111, a rotating support 113 synchronously driving connected with the impeller 112, a hose 115 arranged at the outer periphery of the rotating support 113, at least two rollers 114 arranged in the circumferential direction of the rotating support 113 and used for cooperating with the hose 115 to compress the hose 115, the rollers 114 are arranged in an annular array, and the input end of the hose 115 is communicated with a dosing tank and the output end is communicated with the inside of the sedimentation treatment tank 1. In the embodiment, the follow-up dosing mechanism is arranged, so that the liquid medicine can be mixed into the water flow by the power of the water flow in the water inlet pipe 111, the dosing is more convenient, the automatic dosing is realized, another power source is not needed, the medicine adding amount can be automatically adjusted according to the water flow rate, in use, the water flow power of the water inlet pipe 111 can drive the impeller 112 to rotate, the impeller 112 drives the rotating support 113 to rotate, the rotating support 113 continuously rotates and compresses the hose 115 through the rollers 114, so that the liquid medicine is pumped out and mixed into the water flow, the faster the water flow rate, the faster the rotating support 113 rotates, and the more the medicine adding amount, and vice versa.

[0045] Specifically, the dosing tank is communicated with the hose 115 through a medicine conveying pipe, a second three-way valve is further arranged on the medicine conveying pipe, and one interface of the second three-way valve is arranged in an open state. When dosing is not needed, the second three-way valve can be adjusted to be in communication with the open interface, so that the medicine conveying pipe is not communicated with the dosing tank and is in an empty state, and dosing is not performed.

[0046] Referring to Figure 6 , Figure 7 A shell cover 119 is arranged on the upper side of the follow-up dosing mechanism, an annular chamber is arranged in the shell cover 119, the rotating support 113 and the hose 115 are arranged in the annular chamber of the shell cover 119, a plurality of medicine outlets 1191 are arranged in the circumferential direction of the shell cover 119, passages are arranged in the inside of the shell cover 119 and communicated with the medicine outlets 1191, and the output end of the hose 115 is communicated with the input end of the passages. The liquid medicine can be uniformly sprayed into the circumferential sewage, and the dosing is more uniform.

[0047] The working process of the paper mill water pollution treatment device is as follows:

[0048] In the working process of the paper mill water pollution treatment device, the sewage is introduced into the sedimentation treatment tank 1 through the water inlet 11, the sewage is deposited in the sedimentation treatment tank 1, the deposited substances can be gathered in the center of the V-shaped bottom 101 under the action of gravity, and when the sludge is pumped, the sludge pump 3 is driven to move along the bottom of the V-shaped bottom 101 from one end to the other end through the movement driving mechanism, so that the whole bottom is pumped, and the sludge can be completely pumped out.

[0049] The standard parts used in the application file can be purchased from the market, and the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art. The internal components of the electric sliding rail sliding seat, cylinder, welding machine, electric telescopic rod and controller adopt conventional models in the prior art, and the internal structure belongs to the prior art structure. Workers can complete normal operation according to the existing technical manual. In addition, the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0050] It should be noted that although the above embodiments have been described in this paper, the patent protection scope of the application is not limited thereby. Therefore, based on the innovative idea of the application, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process transformation made by using the content of the application specification and drawings, directly or indirectly apply the above technical solutions to other related technical fields, which are all included in the protection scope of the patent of the application.

Claims

1. A paper mill water pollution treatment device, comprising a sedimentation treatment tank (1), a water inlet (11) and a water outlet (12) in communication with the sedimentation treatment tank (1), characterized in that: The precipitation treatment tank (1) is rectangular, and the inside bottom of the precipitation treatment tank (1) is provided with a V-shaped bottom with a "V" shaped cross section, the bottom of the precipitation treatment tank (1) is provided with a sludge output mechanism matched with the V-shaped bottom, the sludge output mechanism comprises a pump body support frame (2) horizontally arranged in the V-shaped bottom, at least one sludge pump (3) arranged on the pump body support frame (2), the precipitation treatment tank (1) is further provided with a moving drive mechanism for driving the pump body support frame (2) to reciprocate along the longitudinal extension direction of the V-shaped bottom, the output end of the sludge pump (3) is arranged towards the bottom of the V-shaped bottom, and the output end is provided with a hard blow-off pipe (4), the wall of the precipitation treatment tank (1) is provided with a sealing sleeve (5) matched with the hard blow-off pipe (4), and the hard blow-off pipe (4) and the sealing sleeve (5) are axially slidably connected. The pump body support frame (2) is provided with a first magnetic coupler (21) at both ends, the moving drive mechanism comprises linear drives (6) arranged on both sides of the precipitation treatment tank (1), the linear drives (6) are arranged at both ends of the linear drives (6), and the moving part of the linear drives (6) is provided with a second magnetic coupler (61) for magnetic cooperation with the first magnetic coupler (21). The top of the precipitation treatment tank (1) is further provided with a scum removal mechanism, the scum removal mechanism comprises a blowing device (7), a sliding rod (8) arranged at both ends of the blowing device (7), and a chain plate elevator (9) arranged at one end of the precipitation treatment tank (1), the chain plate elevator (9) is arranged obliquely, one end of the chain plate elevator (9) with lower horizontal height is immersed in the precipitation treatment tank (1), and the other end extends out of the precipitation treatment tank (1), the blowing device (7) is slidably connected with the sliding rod (8) through sliding members and can translate along the sliding rod (8) towards or away from the chain plate elevator (9), and the blowing device (7) is arranged obliquely towards the side close to the chain plate elevator (9). The water inlet (11) comprises a water inlet pipe (111) and a follow-up dosing mechanism arranged at the outlet position of the water inlet pipe (111), the follow-up dosing mechanism comprises an impeller (112) arranged at the outlet position of the water inlet pipe (111), a rotating support (113) in synchronous transmission connection with the impeller (112), a hose (115) arranged on the outer periphery of the rotating support (113), and at least two rollers (114) arranged circumferentially on the rotating support (113) for cooperating with the hose (115) to compress the hose (115), the rollers (114) are arranged in annular array, and the hose (115) is in communication with a dosing tank at the input end and in communication with the inside of the precipitation treatment tank (1) at the output end.

2. The apparatus for treating water pollution in a paper mill as claimed in claim 1, wherein: The precipitation treatment tank (1) is further provided with a second hard pipe (41) matched with the hard blow-off pipe (4), and the second hard pipe (41) is axially slidably connected with the hard blow-off pipe (4).

3. A paper mill water pollution treatment apparatus according to claim 2, characterized in that: The second hard pipe (41) is provided with a branch pipe (51), the branch pipe (51) is communicated with the second hard pipe (41) through a first three-way valve (52), one end of the branch pipe (51) is communicated with the upper layer of the sedimentation treatment tank (1) or an external water source, and the sludge pump (3) is a bidirectional pump.

4. The apparatus for treating water pollution in paper manufacturing plants according to claim 1, characterized in that: The slide rod (8) is arranged in the same direction as the linear driver (6), the air blowing device (7) is provided with first arm bodies (81) extending to the direction of the linear driver (6) at two ends, and the moving part of the linear driver (6) is provided with driving connecting pieces (10) arranged upwards and used for cooperating with the first arm bodies (81) to be connected or separated from the first arm bodies (81).

5. A paper mill water pollution treatment apparatus as claimed in claim 4, characterized in that: The driving connecting piece (10) comprises a lifting cylinder arranged upwards and a second arm body arranged on the cylinder arm of the lifting cylinder, and the second arm body is provided with a slot (1021) used for plug-in cooperation with the first arm body (81).

6. The apparatus for treatment of water pollution in paper manufacture according to claim 1, characterized in that: The V-shaped bottom is provided with pump body limiting slide rods used for cooperating with the pump body support frame (2), and the pump body support frame (2) is provided with pump body sliding sleeves (103) used for sliding cooperation with the pump body limiting slide rods.

7. The apparatus for treatment of water pollution in paper manufacture according to claim 1, characterized in that: A shell cover (119) is arranged on the upper side of the follow-up dosing mechanism, the rotary support (113) and the hose (115) are arranged in the shell cover (119), the shell cover (119) is circumferentially provided with a plurality of medicine outlet openings (1191), and the shell cover (119) is internally provided with passages communicated with the medicine outlet openings (1191); and the output end of the hose (115) is communicated with the input end of the passages.

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