Sludge dosing and stirring device

Abstract

The utility model belongs to the technical field of sludge treatment, and particularly relates to a sludge dosing and stirring device which comprises a shell, a first groove, a second groove and a third groove are sequentially formed in the shell from inside to outside, a heat preservation layer is arranged in the shell, the third groove is located in the heat preservation layer, and a heating copper pipe is arranged on the bottom face of the third groove. Two dredging grooves are formed in the circumferential wall of the first groove and located at the bottom end of the first groove, and a square groove is formed in the circumferential wall of the shell. According to the whole device, all-directional mixing of sludge is achieved, the situation that sludge on the lower layer and sludge on the upper layer cannot be fully stirred is avoided, and the situation that part of the area in the second tank cannot be mixed with the agent and the agent in the other part of the area in the second tank is excessive is avoided; and the sludge in the whole device can be continuously kept at a proper temperature at which the sludge can quickly react with the medicament all the time, so that the adaptive capacity of the whole device in a low-temperature environment is greatly enhanced, and the sludge and the medicament can be fully mixed in a short time by adding and stirring the sludge in cold weather.

Description

Technical Field

[0001] This utility model belongs to the field of sludge treatment technology, and in particular relates to a sludge dosing and stirring device. Background Technology

[0002] Sludge dosing and mixing devices are widely used in various water treatment projects, especially in sewage treatment plants and sludge treatment systems. The main characteristics of sludge are: high water content (up to 99%), high organic content, easy decomposition and odor, fine particles, and low specific gravity. It is a viscous substance between liquid and solid. In order to avoid sludge pollution to the environment, sludge generally needs to be treated after sewage treatment. It can be improved by adding flocculants, coagulants and other agents to improve the dewatering performance of sludge and improve the efficiency and quality of sludge treatment.

[0003] Currently, the existing sludge dosing and mixing devices on the market have the following shortcomings during use: many agents used for sludge treatment, such as flocculants, dissolve more slowly in low-temperature environments. The sludge dosing and mixing process, which can be completed in one hour, may take several hours in cold weather. This not only reduces the treatment efficiency but may also affect the normal scheduling of subsequent sludge treatment processes. Furthermore, in existing sludge dosing and mixing devices, sludge is a complex mixture containing various particles. Sand and larger impurities carried in the sludge settle quickly, while smaller particles such as organic colloids and microbial cells settle slowly later. This leads to stratification. Traditional sludge dosing and mixing devices operate in a single direction, preventing the sludge from moving in all directions and resulting in insufficient mixing between the lower and upper layers of sludge. This leads to some areas not mixing with the chemicals, while other areas have excessive amounts of chemicals, which are wasted without achieving their intended effect. Moreover, since chemicals are usually expensive, this increases the economic cost of sludge treatment. Therefore, we propose a sludge dosing and mixing device. Utility Model Content

[0004] The purpose of this invention is to provide a sludge dosing and mixing device to solve the problems mentioned in the background art.

[0005] In view of this, the present invention provides a sludge dosing and stirring device, comprising:

[0006] The outer shell has three slots, one, two, and three, arranged sequentially from the inside to the outside. The outer shell has an insulation layer inside, and slot three is located in the insulation layer. A heating copper tube is provided on the bottom surface of slot three. Two unclogging slots are provided on the circumferential wall of slot one at its bottom end. A square slot is provided on the circumferential wall of the outer shell.

[0007] The protective shell is fixedly installed in the square groove, a transparent plate is fixedly installed in the protective shell, a plurality of water outlet pipes are fixedly installed on one side of the transparent plate, and one end of each of the plurality of water outlet pipes penetrates through the transparent plate and extends into the second groove;

[0008] Two connecting rods are symmetrically rotatably installed in the second groove, and the first groove is located between the two connecting rods, a plurality of paddle boards are fixedly installed on the two connecting rods, and a scraping piece is fixedly installed at the bottom end of each of the two connecting rods; and a screw conveyor is rotatably installed in the first groove;

[0009] A driving assembly is located on the shell and is used to drive the two connecting rods and the screw conveyor to rotate in the forward direction or the reverse direction.

[0010] In the technical solution, the shell, the heat preservation layer, the heating copper pipe, the protective shell, the transparent plate, the water outlet pipe, the connecting rod, the paddle board, the scraping piece, the screw conveyor and the driving assembly are matched to solve the problem of single stirring direction of the traditional sludge dosing and stirring device during stirring, so that the sludge is mixed in all directions, the lower sludge cannot be fully stirred with the upper sludge, and the situation that part of the area in the second groove cannot be mixed with the reagent and the other part of the area in the second groove has excessive reagent does not occur, the excessive reagent in part of the area in the second groove is not wasted without playing its due role, the economic cost of sludge treatment is reduced, the heat can be retained in the heat preservation layer and continuously heated to the sludge in the second groove, the sludge in the whole device can always be at a suitable temperature for rapid reaction with the reagent, the adaptability of the whole device in a low temperature environment is greatly improved, the sludge dosing and stirring can be completed in a short time to fully mix the sludge and the reagent in cold weather, the processing efficiency is improved, and the normal arrangement of the subsequent sludge treatment link is not affected.

[0011] In the above technical solution, further, the driving assembly comprises:

[0012] A cover plate is insertedly installed on the shell, a motor is fixedly installed on the top surface of the cover plate, the output shaft of the motor penetrates through the cover plate and is fixed to the connecting plate, and the top ends of the two connecting rods and the screw conveyor are fixed to the bottom surface of the connecting plate.

[0013] In the technical scheme, the motor is connected to the power supply and started, the output shaft of the motor continuously drives the auger to rotate in the groove one, then the output shaft of the motor also drives the two connecting rods to rotate around the output shaft of the motor through the connecting plate, and then the two connecting rods drive the plurality of paddles to rotate, and at the same time, the two connecting rods also drive the two scrapers to rotate, the rotating two scrapers scrape the sand and larger impurities attached to the bottom surface of the groove two and flow into the dredging groove, through the cooperation of the rotating auger and the groove one, the rotating auger can transport the lower layer sludge carrying sand and larger impurities to the top end of the auger, so that the lower layer sludge carrying sand and larger impurities is mixed with the upper layer sludge and the reagent, and at the same time, under the action of the plurality of paddles, the lower layer sludge carrying more sand and larger impurities can be fully stirred with the upper layer sludge and the reagent, when the reagent and the sludge are fully mixed, the power supply of the motor is turned off, so that the output shaft of the motor stops rotating, and the reagent and the sludge are fully reacted, under the action of the reagent, the impurities in the sludge are all precipitated in the lower layer, and the upper layer is all clear water, and a clear boundary is formed between the dehydrated sludge in the lower layer and the clear water in the upper layer, then the position of the boundary between the dehydrated sludge and the clear water in the groove two is observed through the transparent plate, then the valve on the water outlet pipe closest to the boundary is opened, at this time, the clear water in the groove two can be discharged out of the whole device through the water outlet pipe, then under the action of the screw thread, the plug is rotated and unscrewed from the groove one, then the motor is connected to the power supply and started, the reverse rotation of the output shaft of the motor drives the two connecting rods to rotate through the connecting plate, and then the two connecting rods drive the two scrapers to rotate, and at the same time, the output shaft of the motor also drives the auger to rotate in the opposite direction, under the action of the inclined angle of the inner bottom surface of the groove two, the dehydrated sludge is pushed by the scraper and enters the groove one through the two dredging grooves, then under the pushing of the auger, the dehydrated sludge is discharged out of the whole device through the bottom end of the groove one, the problem of single stirring direction of the traditional sludge reagent stirring device during stirring is solved, the sludge is fully mixed in all directions, the lower layer sludge and the upper layer sludge cannot be fully stirred, and the situation that the reagent in one part of the groove two is excessive while the reagent in another part of the groove two is insufficient does not occur, the excessive reagent in one part of the groove two is avoided from being wasted without playing its due role, and the economic cost of sludge treatment is reduced.

[0014] In the above technical scheme, further comprising:

[0015] Two feed pipes, both of which are fixedly installed on the top surface of the cover plate, and the motor is located between the two feed pipes, the bottom ends of the two feed pipes penetrate through the top surface of the cover plate and extend into the groove two;

[0016] A plug, which is screwedly installed on the inner wall of the tail end of the groove one, and the auger is located on the top surface of the plug;

[0017] A plurality of support columns are fixedly installed on the bottom surface of the shell.

[0018] In the technical solution, the appropriate amount of sludge is transported into the second tank through one of the feeding pipes, and the appropriate amount of medicament is added into the sludge through the other feeding pipe according to the proportion; under the action of the screw thread, the plug is rotated and unscrewed from the first tank, so that the dewatered sludge is pushed by the scraping pieces into the first tank through the two dredging grooves, and then the dewatered sludge is discharged out of the whole device through the bottom end of the first tank under the pushing of the auger; the shell is away from the ground, and a collecting device can be arranged below the shell to collect the dewatered sludge.

[0019] In the above technical solution, further, the output shaft of the motor is rotationally connected with the cover plate, and the top end of the auger is tightly welded with the connecting plate.

[0020] In the technical solution, the output shaft of the motor can rotate normally in the cover plate, and the structure of the auger and the connecting plate is stable.

[0021] In the above technical solution, further, the connecting rod, the paddle, the connecting plate and the scraping piece are integrally formed, the two dredging grooves are communicated with the first tank and the second tank, the square groove is communicated with the third tank and the second tank, the heating copper pipe is fixed to the inner wall of the third tank through a plurality of screws, and the bottom end of the auger is rotationally connected with the plug.

[0022] In the technical solution, the structure of the connecting rod, the paddle, the connecting plate and the scraping piece is stable; the two rotating scraping pieces can scrape the sand particles and larger impurities attached to the bottom surface of the second tank and flow into the dredging groove; the position of the dividing line between the dewatered sludge and the upper clear water in the second tank can be observed through the transparent plate in the protective shell; the structure of the heating copper pipe and the third tank is stable; and the auger can rotate normally on the plug, and the structure of the auger is stable.

[0023] In the above technical solution, further, the two scraping pieces are in an inclined structure, and the two scraping pieces are slidingly connected with the second tank.

[0024] In the technical solution, the two scraping pieces can be tightly attached to the bottom surface of the second tank, and the two scraping pieces can slide normally in the second tank.

[0025] In the above technical solution, further, the number of the water outlet pipes is at least 6, the water outlet pipes are linearly and equally spaced, and the valve is rotationally installed on the water outlet pipe.

[0026] In the technical solution, the power supply of the motor is turned off when the medicament and the sludge are fully mixed, so that the output shaft of the motor stops rotating, and the medicament and the sludge are fully reacted. Under the action of the medicament, impurities in the sludge are all precipitated in the lower layer, and the upper layer is all clean water. An obvious boundary is formed between the dewatered sludge in the lower layer and the clean water in the upper layer. Then, the position of the boundary between the dewatered sludge and the clean water in tank 2 is observed through the transparent plate. Then, the valve of the water outlet pipe closest to the upper side of the boundary is opened. At this time, the clean water in tank 2 can be completely discharged outside the overall device through the water outlet pipe.

[0027] The utility model discloses the beneficial effect is:

[0028] 1. The sludge medicament stirring device, through the cooperation of shell, heat preservation layer, heating copper pipe, protection shell, transparent plate, water outlet pipe, connecting rod, paddle, scraper, auger and drive assembly, the problem that traditional sludge medicament stirring device is single in stirring direction when stirring is solved, make the sludge realize all -round mixing, the sludge in lower layer and the sludge in upper layer cannot be fully stirred, also can not appear the situation that the part area in tank 2 cannot mix with medicament, and the medicament excess situation of another part area in tank 2, avoid the part area in tank 2 excess medicament not to play its due role and be wasted, reduce the economic cost of sludge treatment.

[0029] 2. The sludge medicament stirring device, through the cooperation of heat preservation layer and heating copper pipe, the water of injection can be heated to the appropriate temperature, at the same time, can avoid the heat transfer in tank 3 to the lateral side and the bottom of shell and lead to the loss of heat, make the heat in it can remain in heat preservation layer and continuously heat the sludge in tank 2, can continuously maintain the sludge in the overall device at the temperature that can react with medicament quickly, guarantee that sludge medicament stirring can complete the full mixing of sludge and medicament in a short time under cold weather, not only improve the processing efficiency, also will not affect the normal arrangement of subsequent sludge treatment link, greatly strengthen the adaptability of overall device in low temperature environment. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is one of the overall structure schematic diagram of the utility model;

[0031] Figure 2 It is the second overall structure schematic diagram of the utility model;

[0032] Figure 3 It is one of the internal detailed structure schematic diagram of the shell in the utility model;

[0033] Figure 4 It is the second internal detailed structure schematic diagram of the shell in the utility model;

[0034] Figure 5 It is the cross section structure schematic view of the shell in the utility model.

[0035] The mark in the figure indicates that:

[0036] 1, shell; 2, cover plate; 3, feed pipe; 4, motor; 5, groove one; 6, groove two; 7, groove three; 8, protective shell; 9, water outlet pipeline; 10, support column; 11, square groove; 12, heating copper pipe; 13, dredging groove; 14, paddle; 15, connecting rod; 18, transparent plate; 19, scraper; 20, connecting plate; 21, auger; 22, plug; 24, thermal insulation layer. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application.

[0038] In the description of the present application, it should be noted that the terms used herein are only for describing the specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For the convenience of description, the sizes of the various parts shown in the drawings are not drawn in accordance with the actual proportional relationship. The technology, methods and devices known to those skilled in the relevant art can not be discussed in detail, but under appropriate circumstances, the technology, methods and devices should be regarded as part of the authorized description. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0039] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and are not intended to describe a specific order or chronological sequence. It should be understood that the data used in this way can be exchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second" and the like are generally a class, and do not limit the number of objects, for example, the first object can be one or more. In addition, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / ", generally indicates that the front and rear associated objects are in a "or" relationship.

[0040] It should be noted that in the description of the present application, the terms of orientation such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship are generally based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation terms do not indicate and imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the scope of protection of the present application; the orientation terms "inner, outer" refer to the inner and outer of the contour of each component itself.

[0041] It should be noted that in the present application, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or device. Without more limitation, the element defined by the sentence "including a" does not exclude the existence of other identical elements in the process, method, article or device including the element. In addition, it should be pointed out that the scope of the method and device in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but can also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved, for example, the described method can be performed in an order different from that described, and various steps can also be added, omitted or combined. In addition, the features described with reference to certain examples can be combined in other examples.

[0042] Embodiment 1:

[0043] Please refer to Figures 1-5 The embodiment provides a sludge dosing and stirring device, which comprises:

[0044] The shell 1 is sequentially provided with a groove one 5, a groove two 6 and a groove three 7 from inside to outside, the inner wall of the groove three 7 is provided with a heat preservation layer 24, and the inner bottom surface of the groove three 7 is provided with a heating copper pipe 12, two dredging grooves 13 are formed in the circumferential wall of the groove one 5, the two dredging grooves 13 are communicated with the groove one 5 and the groove two 6, a plug 22 is threadedly installed at the tail end of the inside of the groove one 5, a cover plate 2 is arranged on the top surface of the groove two 6, a connecting plate 20 is arranged below the cover plate 2, a square groove 11 is formed in the circumferential wall of the shell 1, and the square groove 11 is communicated with the groove three 7 and the groove two 6;

[0045] The protective shell 8 is fixedly installed in the square groove 11, the transparent plate 18 is fixedly installed in the protective shell 8, a plurality of water outlet pipes 9 are sequentially fixedly installed on one side of the transparent plate 18 from top to bottom, and one end of each of the plurality of water outlet pipes 9 penetrates through the transparent plate 18 and extends into the groove two 6;

[0046] The motor 4 is fixedly installed on the top surface of the cover plate 2, the output shaft of the motor 4 extends through the cover plate 2 and the connecting plate 20 to the groove one 5 and is rotationally connected with the plug 22, the auger 21 is arranged between the plug 22 and the connecting plate 20, and the auger 21 is fixedly installed on the output shaft of the motor 4;

[0047] Two connecting rods 15 are fixedly installed at the bottom of the connecting plate 20 and are respectively located on the left and right sides of the groove one 5, a plurality of paddle plates 14 are fixedly installed on the two sides of the connecting plate 20, a scraping plate 19 is fixedly installed at the bottom of each of the two connecting plates 20, and the bottom of each of the two scraping plates 19 is in contact with the inner bottom surface of the groove two 6.

[0048] The cooperation of the shell 1, the heat preservation layer 24, the heating copper pipe 12, the protective shell 8, the transparent plate 18, the water outlet pipeline 9, the connecting rod 15, the paddle plate 14, the scraping plate 19, the auger 21 and the driving assembly solves the problem of single stirring direction of the traditional sludge dosing and stirring device during stirring, enables the sludge to be mixed in all directions, avoids the situation that the lower sludge cannot be fully stirred with the upper sludge and the situation that the other part of the area in the groove two 6 cannot be mixed with the reagent while the other part of the area in the groove two 6 has excessive reagent, avoids the situation that the excessive reagent in the part of the area in the groove two 6 is wasted without playing its due role, reduces the economic cost of sludge treatment, enables the heat to be retained in the heat preservation layer 24 and continuously heat the sludge in the groove two 6, enables the sludge in the whole device to always be at a suitable temperature for rapid reaction with the reagent, greatly enhances the adaptability of the whole device in a low-temperature environment, guarantees that the sludge dosing and stirring can complete the sufficient mixing of the sludge and the reagent in a short time in cold weather, improves the treatment efficiency, and does not affect the normal arrangement of the subsequent sludge treatment link.

[0049] Embodiment 2:

[0050] The embodiment provides a sludge dosing and stirring device, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features, the driving assembly comprises:

[0051] The cover plate 2 is insertedly installed on the shell 1, the top surface of the cover plate 2 is fixedly installed with the motor 4, the output shaft of the motor 4 extends through the cover plate 2 and is fixed with the connecting plate 20, the top ends of the two connecting rods 15 and the auger 21 are fixed with the bottom surface of the connecting plate 20;

[0052] Wherein, the motor 4 is powered on and started, the output shaft of the motor 4 continuously drives the auger 21 to rotate in the groove one 5, then the output shaft of the motor 4 also drives the two connecting rods 15 to rotate around the output shaft of the motor 4 through the connecting plate 20, and then the two connecting rods 15 drive the plurality of paddles 14 to rotate, at the same time, the two connecting rods 15 also drive the two scrapers 19 to rotate respectively, the two rotating scrapers 19 scrape the sand and larger impurities attached to the bottom surface of the groove two 6 and flow into the dredging groove 13, through the cooperation of the rotating auger 21 and the groove one 5, the rotating auger 21 transports the lower layer sludge carrying sand and larger impurities upward to the top end of the auger 21, so that the lower layer sludge carrying sand and larger impurities is mixed with the upper layer sludge and the medicament, and at the same time, under the action of the plurality of paddles 14, the lower layer sludge carrying more sand and larger impurities is fully stirred with the upper layer sludge and the medicament, when the medicament and the sludge are fully mixed, the power of the motor 4 is turned off, so that the output shaft of the motor 4 stops rotating, and the medicament and the sludge are fully reacted, under the action of the medicament, the impurities in the sludge are all precipitated in the lower layer, and the upper layer is all clear water, and there is a clear boundary between the dehydrated sludge in the lower layer and the clear water in the upper layer, then the position of the boundary between the dehydrated sludge in the lower layer and the clear water in the upper layer in the groove two 6 is observed through the transparent plate 18, then the valve on the water outlet pipe 9 closest to the upper side of the boundary is opened, at this time, the clear water in the groove two 6 can be completely discharged out of the whole device through the water outlet pipe 9, then the plug 22 is rotated and unscrewed from the groove one 5 under the action of the screw, then the motor 4 is powered on and started, the reverse rotation of the output shaft of the motor 4 drives the two connecting rods 15 to rotate through the connecting plate 20, and then the two connecting rods 15 drive the two scrapers 19 to rotate, at the same time, the output shaft of the motor 4 also drives the auger 21 to rotate in the opposite direction, under the action of the inclined angle of the inner bottom surface of the groove two 6, the dehydrated sludge is pushed by the scraper 19 to enter the groove one 5 through the two dredging grooves 13, then the dehydrated sludge is discharged out of the whole device through the bottom end of the groove one 5 under the pushing of the auger 21, which solves the problem of single stirring direction of the traditional sludge medicament stirring device during stirring, so that the sludge is fully mixed in all directions, the lower layer sludge and the upper layer sludge cannot be fully stirred, and the situation that the medicament in one part of the groove two 6 is excessive while the medicament in another part of the groove two 6 is insufficient also does not occur, which avoids that the excessive medicament in one part of the groove two 6 is wasted without playing its due role, and reduces the economic cost of sludge treatment.

[0053] Example 3:

[0054] The embodiment provides a sludge medicament stirring device, in addition to the technical solutions of the above-mentioned embodiments, also has the following technical features, further comprising:

[0055] Two feeding pipes 3 are fixedly installed on the top surface of the cover plate 2, and the motor 4 is located between the two feeding pipes 3, and the bottom ends of the two feeding pipes 3 penetrate through the top surface of the cover plate 2 and extend into the groove two 6;

[0056] A plug 22 is threadedly installed on the inner wall of the tail end of the groove one 5, and the auger 21 is located on the top surface of the plug 22.

[0057] A plurality of support columns 10 are fixedly installed on the bottom surface of the shell 1.

[0058] The plug 22 is threadedly installed on the inner wall of the tail end of the groove one 5, and the auger 21 is located on the top surface of the plug 22.

[0059] Example 4:

[0060] The embodiment provides a sludge dosing and stirring device, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features: the output shaft of the motor 4 is rotationally connected with the cover plate 2, and the top end of the auger 21 is tightly welded with the connecting plate 20.

[0061] The output shaft of the motor 4 can normally rotate in the cover plate 2, and the structure of the auger 21 and the connecting plate 20 is stable.

[0062] Example 5:

[0063] The embodiment provides a sludge dosing and stirring device, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features: the connecting rod 15, the paddle 14, the connecting plate 20 and the scraper 19 are integrally formed, the two dredging grooves 13 are communicated with the groove one 5 and the groove two 6, the square groove 11 is communicated with the groove three 7 and the groove two 6, the heating copper pipe 12 is fixedly connected with the inner wall of the groove three 7 through a plurality of screws, and the bottom end of the auger 21 is rotationally connected with the plug 22.

[0064] The two scrapers 19 are in an inclined structure and are slidably connected with the second groove 6.

[0065] Embodiment 6

[0066] The embodiment provides a sludge dosing stirring device, in addition to the technical scheme of the above-mentioned embodiment, further has the following technical features, two scrapers 19 are in an inclined structure, and the two scrapers 19 are slidably connected with the second groove 6.

[0067] The two scrapers 19 can be closely combined with the bottom surface of the second groove 6, and the two scrapers 19 can normally slide in the second groove 6.

[0068] Embodiment 7

[0069] The embodiment provides a sludge dosing stirring device, in addition to the technical scheme of the above-mentioned embodiment, further has the following technical features, the number of the plurality of water outlet pipes 9 is at least 6, the plurality of water outlet pipes 9 are arranged in a linear shape at equal intervals, and a valve is rotatably installed on the water outlet pipe 9.

[0070] The plurality of water outlet pipes 9 are arranged, when the medicament and the sludge are fully mixed, the power supply of the motor 4 is closed, the output shaft of the motor 4 is stopped, the medicament and the sludge are fully reacted, under the action of the medicament, impurities in the sludge are all deposited in the lower layer, the upper layer is all clean water, and a clear boundary is formed between the sludge in the lower layer and the clean water in the upper layer, then, the position of the boundary between the sludge in the second groove 6 and the clean water in the upper layer is observed through the transparent plate 18, then, the valve on the water outlet pipe 9 closest to the boundary is opened, at this moment, the clean water in the second groove 6 can be discharged outside the device through the water outlet pipe 9.

[0071] Working principle: a proper amount of sludge is transported into the second tank 6 through one of the feeding pipes 3, and then a proper amount of medicament is added into the sludge through the other feeding pipe 3 according to the proportion, after that, the motor 4 is connected to the power supply and started, the output shaft of the motor 4 will continuously drive the auger 21 to rotate in the first tank 5, then the output shaft of the motor 4 will also drive the two connecting rods 15 to rotate around the output shaft of the motor 4 through the connecting plate 20, and then the two connecting rods 15 will drive the several paddles 14 to rotate, at the same time, the two connecting rods 15 will also drive the two scrapers 19 to rotate respectively, the two rotating scrapers 19 will scrape the sand and larger impurities attached to the bottom surface of the second tank 6 and pour them into the dredging tank 13, through the cooperation of the rotating auger 21 and the first tank 5, the rotating auger 21 will transport the lower layer sludge carrying sand and larger impurities upward to the top end of the auger 21, so that the lower layer sludge carrying sand and larger impurities is mixed with the upper layer sludge and the medicament, at the same time, the lower layer sludge carrying more sand and larger impurities can be fully stirred with the upper layer sludge and the medicament under the action of the several paddles 14, when the medicament and the sludge are fully mixed, the power supply of the motor 4 is turned off, so that the output shaft of the motor 4 stops rotating, and the medicament and the sludge are fully reacted, under the action of the medicament, the impurities in the sludge will all precipitate in the lower layer, and the upper layer will all be clear water, and there will be a clear boundary between the dewatered sludge in the lower layer and the clear water in the upper layer, then the position of the boundary between the dewatered sludge and the clear water in the second tank 6 is observed through the transparent plate 18, then the valve of the water outlet pipe 9 closest to the upper side of the boundary is opened, at this time, the clear water in the second tank 6 can be completely discharged out of the overall device through the water outlet pipe 9, then the plug 22 is rotated and unscrewed from the first tank 5 under the action of the screw, then the motor 4 is connected to the power supply and started, so that the output shaft of the motor 4 rotates reversely, at the same time, the reversely rotating output shaft of the motor 4 will drive the two connecting rods 15 to rotate through the connecting plate 20, and then the two connecting rods 15 will drive the two scrapers 19 to rotate, at the same time, the output shaft of the motor 4 will also drive the auger 21 to rotate reversely, under the action of the inclined angle of the bottom surface of the second tank 6, the dewatered sludge is pushed by the scrapers 19, enters the first tank 5 through the two dredging tanks 13, then the dewatered sludge is discharged out of the overall device through the bottom end of the first tank 5 under the pushing of the auger 21, which solves the problem of single stirring direction of the traditional sludge medicament stirring device during stirring, so that the sludge can be fully mixed in all directions, and the lower layer sludge and the upper layer sludge cannot be fully stirred, and the situation that the medicament in one part of the second tank 6 is excessive while the medicament in another part of the second tank 6 is insufficient also cannot occur, which avoids that the excessive medicament in one part of the second tank 6 is wasted without playing its due role, and reduces the economic cost of sludge treatment;

[0072] The dissolving speed of the medicament in a low temperature environment will be slow, affecting the processing efficiency. The water can be put into tank 3 through the water inlet on tank 3 in advance, then the copper pipe 12 is connected to the power supply and started, and the water is heated to a suitable temperature by the heating copper pipe 12. At the same time, under the action of the heat preservation layer 24, the heat in tank 3 can be prevented from being transferred to the side and bottom of the shell 1, so that the heat can be retained in the heat preservation layer 24 and continuously heat the sludge in tank 2, so that the sludge in the whole device can always be at a suitable temperature for rapid reaction with the medicament, greatly improving the adaptability of the whole device in a low temperature environment, ensuring that the sludge mixing and stirring can be completed in a short time in cold weather, which improves the processing efficiency and does not affect the normal arrangement of the subsequent sludge treatment link.

[0073] In daily maintenance work, the personnel can pull the two handles on the cover plate 2 upward to drive the cover plate 2 to move upward, and the upward moving cover plate 2 will also drive the motor 4 to move upward, and the upward moving motor 4 will drive the connecting plate 20 to move upward through the output shaft, and then the connecting plate 20 will drive the several paddle plates 14 and the two scrapers 19 to move upward through the two connecting rods 15, at the same time, the output shaft of the motor 4 will also drive the auger 21 to move upward, so as to drive the auger 21 to be drawn out of tank 1, at the same time, the several paddle plates 14 and the two scrapers 19, the connecting rod 15 and the connecting plate 20 will also be drawn out of tank 2 under the driving of the output shaft of the motor 4, then the water gun can be used to flush and maintain it simply, and the service life of the whole device is also increased.

[0074] The embodiments of the present application are described above in combination with the drawings, and the embodiments and the features in the embodiments in the present application can be combined with each other without conflict, the present application is not limited to the above specific embodiments, the above specific embodiments are only illustrative, not restrictive, and those skilled in the art can make many forms under the inspiration of the present application without departing from the scope of the present application and the protection scope of the claims, all of which belong to the protection of the present application.

Claims

1. A sludge dosing and mixing device, characterized in that, include: The outer shell (1) has groove 1 (5), groove 2 (6) and groove 3 (7) sequentially from the inside to the outside. The outer shell (1) has a heat insulation layer (24) inside, and groove 3 (7) is located in the heat insulation layer (24). The bottom surface of groove 3 (7) is provided with a heating copper pipe (12). Two unblocking grooves (13) are opened on the circumferential wall of groove 1 (5) at its bottom end. A square groove (11) is opened on the circumferential wall of the outer shell (1). A protective shell (8) is fixedly installed in a square groove (11). A transparent plate (18) is fixedly installed inside the protective shell (8). Several water outlet pipes (9) are fixedly installed on one side of the transparent plate (18). One end of each of the several water outlet pipes (9) passes through the transparent plate (18) and extends into the second groove (6). Two connecting rods (15) are symmetrically rotated and installed in the second groove (6), and the first groove (5) is located between the two connecting rods (15). Several paddles (14) are fixedly installed on each of the two connecting rods (15). Scrapers (19) are fixedly installed at the bottom of each of the two connecting rods (15). An auger (21) is rotatably installed in the first groove (5). A drive assembly located on the housing (1) is used to drive the two connecting rods (15) and the auger (21) to rotate in the forward or reverse direction.

2. The sludge dosing and mixing device according to claim 1, characterized in that, The driving component includes: Cover plate (2), the cover plate (2) is inserted and installed on the outer shell (1), the top surface of the cover plate (2) is fixedly installed with a motor (4), the output shaft of the motor (4) passes through the cover plate (2) and is fixed with the connecting plate (20), the top ends of the two connecting rods (15) and the auger (21) are fixed with the bottom surface of the connecting plate (20).

3. The sludge dosing and mixing device according to claim 2, characterized in that, Also includes: Two feed pipes (3) are fixedly installed on the top surface of the cover plate (2), and the motor (4) is located between the two feed pipes (3). The bottom ends of the two feed pipes (3) penetrate the top surface of the cover plate (2) and extend into the second groove (6). A plug (22) is threaded onto the inner wall of the end of the groove (5), and the auger (21) is located on the top surface of the plug (22). A plurality of support columns (10) are fixedly installed on the bottom surface of the outer casing (1).

4. The sludge dosing and mixing device according to claim 2, characterized in that, The output shaft of the motor (4) is rotatably connected to the cover plate (2), and the top end of the auger (21) is tightly welded to the connecting plate (20).

5. The sludge dosing and mixing device according to claim 1, characterized in that, The connecting rod (15), paddle (14), connecting plate (20), and scraper (19) are integrally formed. The two unblocking grooves (13) are connected to groove one (5) and groove two (6). The square groove (11) is connected to groove three (7) and groove two (6). The heating copper tube (12) is fixed to the inner wall of groove three (7) by several screws. The bottom end of the auger (21) is rotatably connected to the plug (22).

6. The sludge dosing and mixing device according to claim 1, characterized in that, The two scraper blades (19) are inclined and are slidably connected to the groove (6).

7. The sludge dosing and mixing device according to claim 1, characterized in that, The number of the plurality of water outlet pipes (9) is at least 6, the plurality of water outlet pipes (9) are arranged in a linear and equally spaced manner, and valves are rotatably installed on the water outlet pipes (9).

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