CN217834105U - Surplus thick liquid recovery system - Google Patents

Abstract

The utility model provides a residual slurry recovery system, which comprises a collecting barrel, a homogenizing barrel, a slurry pump and a lifting device, wherein the collecting barrel is used for collecting residual slurry; the slurry pump is arranged on the lifting device, and the slurry pump enters the collecting barrel through the lifting device and is used for conveying residual slurry in the collecting barrel to the homogenizing barrel; the homogenizing barrel is used for homogenizing residual pulp; the outlet of the homogenizing barrel is quantitatively conveyed into the metering equipment of the stirring station through a conveying system. The utility model discloses a lifting device is with the deep collecting vessel of sediment stuff pump in, realizes carrying surplus thick liquid in the collecting vessel, can promote the sediment stuff pump when not needing to carry, utilizes the spray gun to wash the import of sediment stuff pump, prevents that the sediment stuff pump from blockking up.

Description

Surplus thick liquid recovery system

Technical Field

The utility model relates to a precast tubular pile processing field, in particular to surplus thick liquid recovery system.

Background

The residual slurry is a turbid liquid separated from the inner wall of the tubular pile after the concrete is centrifugally formed in the production process of the tubular pile, and the main components of the turbid liquid are cement, ground sand, water, sand powder, a water reducing agent and the like. At present, how to reuse the residual slurry to solve the problem of environmental pollution when the residual slurry is discharged becomes a common research subject in the tubular pile production industry.

In the prior art, the process of recycling the residual slurry specifically comprises the following steps: the production surplus thick liquid after the tubular pile centrifugation, snatch the tubular pile and fall surplus thick liquid into surplus thick liquid bucket by the loop wheel machine, after surplus thick liquid bucket collects a certain amount of surplus thick liquid, pump surplus thick liquid to the homogenization bucket through the pipeline through vertical sediment stuff pump, surplus thick liquid adds water in the homogenization bucket and carries out the homogenization, after the homogenization reaches certain concentration, pump surplus thick liquid that the homogenization is good through the sediment stuff pump and pump to the collecting bucket through the pipeline and carry out temporary storage, when the surplus thick liquid is needed in the stirring station, pump surplus thick liquid to the weighing hopper above the stirring station through the pipeline by the sediment stuff pump again, add surplus thick liquid to the stirring station by the weighing hopper ration.

The main problems of the residual slurry recycling system in the using process are as follows:

first, there are solid precipitate such as sand, stone in the collecting vessel, need the manual work to get into the bucket in every use period, clear up bottom residue, both delayed production, difficult operation again, personnel also have the potential safety hazard in the operation of bucket simultaneously.

Secondly, impurities such as roots, branches, leaves, large-particle stones and the like are contained in the collecting barrel, so that the pipeline is easily blocked, and the slurry pump is seriously damaged.

And thirdly, the slurry pump is arranged at the bottom of the collecting barrel, so that a pipeline needs to be detached when the slurry pump is cleaned, and the inlet of the slurry pump is easy to block.

Fourthly, the homogenizing barrel is controlled to extract the volume of the residual slurry at each time through a buoyancy switch device, and then water is manually added for dilution, so that the method has the problem that the density of the residual slurry is uneven when the residual slurry is used at each time, the state change of concrete materials is easy to cause, the water consumption and the like are not easy to control, the operation of a mixer is difficult, and the quality fluctuation of the tubular pile is large.

Disclosure of Invention

To exist not enough among the prior art, the utility model provides a surplus thick liquid recovery system utilizes elevating gear to go deep into the collecting vessel with the sediment stuff pump in, realizes carrying surplus thick liquid in the collecting vessel, can promote the sediment stuff pump when need not carrying, utilizes the spray gun to wash the import of sediment stuff pump, prevents that the sediment stuff pump from blockking up.

The utility model discloses a realize above-mentioned technical purpose through following technical means.

A residual slurry recovery system comprises a collecting barrel, a homogenizing barrel, a slurry pump and a lifting device, wherein the collecting barrel is used for collecting residual slurry; the slurry pump is arranged on the lifting device, and is driven to enter the collecting barrel through the lifting device, so that residual slurry in the collecting barrel is conveyed to the homogenizing barrel; the homogenizing barrel is used for homogenizing residual pulp; the outlet of the homogenizing barrel is quantitatively conveyed into the metering equipment of the stirring station through a conveying system.

Further, the collecting barrel comprises a main barrel body, an auxiliary barrel body, a first power device and a first stirring device; the improved stirring device is characterized in that an auxiliary barrel is arranged on the side face of the main barrel and communicated with the auxiliary barrel, a first stirring device is installed in the main barrel, a support frame is installed on the main barrel, a first power device is installed on the support frame, and the first power device is used for driving the stirring device.

Further, a feed port is formed in the support frame, and a first filtering device is mounted on the feed port and used for filtering impurities; and the bottom of the main cylinder body and the bottom of the auxiliary cylinder body are provided with blocking plates for preventing precipitates from entering the auxiliary cylinder body.

Further, the height of the barrier plate is less than 1/4 of the height of the main cylinder; and a first liquid level sensor is arranged on the collecting barrel.

Further, elevating gear includes gallows and hoist mechanism, hoist mechanism movable mounting is on the gallows, hoist mechanism's flexible end is connected with the sediment stuff pump.

Further, the support frame extends to the auxiliary barrel body, the slurry pump penetrates through the support frame through the lifting mechanism, and the inlet of the support frame penetrates into the auxiliary barrel body.

Further, the homogenizing barrel comprises a barrel body, a cover body, a second power device and a second stirring device; the cylinder body is provided with a cover body, a second stirring device is arranged in the cylinder body, and the second power device is used for driving the second stirring device; the second power device is arranged on the cover body.

Further, the lid is equipped with feed inlet and water inlet, install second filter equipment on the feed inlet for filter thick solid particle.

Further, the barrel bottom is the back taper, and the back taper barrel bottom center department is equipped with the drain, the back taper barrel bottom radial eccentric position sets up 1 at least discharge gate.

Further, a second liquid level sensor is arranged in the cylinder body and used for detecting the liquid level in the cylinder body; the support lugs are arranged on the periphery of the cylinder body, and the cylinder body is arranged above the support through the support lugs; and a second weighing sensor is arranged at the support lug of the cylinder body and used for detecting the weight of the residual pulp in the cylinder body.

Furthermore, at least one control valve and a back flush interface are arranged on a first pipeline between the outlet of the slag slurry pump and the inlet of the homogenizing barrel.

Further, the conveying system comprises an air bag and an air source unit, and the outlet of the homogenizing barrel is communicated with the air bag and used for filling residual slurry in the air bag; the air bag is communicated with the air source unit and is used for conveying the residual slurry in the air bag to the metering equipment of the mixing station through pneumatics.

Further, the air bag is installed below the support through a second weighing device and used for metering the weight of residual slurry entering the air bag; the air bag is provided with a back washing port, and the back washing port is communicated with a back washing system.

Further, the second weighing device comprises a tension spring and a sensor, the lifting point on the air bag is connected with one end of the tension spring, the other end of the tension spring is connected with the support, and the sensor is used for directly or indirectly detecting the weight of the residual slurry in the air bag.

Further, the conveying system also comprises a storage barrel, the storage barrel is positioned above the metering equipment of the mixing station, the air bag conveys residual slurry in the air bag into the storage barrel through pneumatic power, and the outlet of the storage barrel is communicated with the metering equipment of the mixing station.

Further, the inner wall of the collecting barrel and the inner wall of the homogenizing barrel are respectively provided with a Teflon plate or a Teflon coating; the inner wall of the air bag is provided with a Teflon plate or a Teflon coating.

Furthermore, at least one control valve and a back flush interface are arranged on a second pipeline between the air bag outlet and the storage barrel inlet.

Further, the bending radius of the center line of a bent pipe on a first pipeline between the outlet of the slurry pump and the inlet of the homogenizing barrel and a second pipeline between the outlet of the air bag and the inlet of the storage barrel is not less than 5 times of the nominal diameter of the pipeline.

The beneficial effects of the utility model reside in that:

1. surplus thick liquid recovery system, utilize elevating gear to go deep into the collecting vessel with the sediment stuff pump in, realize carrying surplus thick liquid in the collecting vessel, can promote the sediment stuff pump when not needing to carry, utilize the spray gun to wash the import of sediment stuff pump, prevent that the sediment stuff pump from blockking up.

2. Surplus thick liquid recovery system, main barrel body bottom is equipped with the baffler with vice barrel bottom, the baffler highly is less than the 1/4 of main barrel body height, can prevent that the precipitate from getting into vice barrel to prevent that the precipitate from getting into the sediment stuff pump.

3. Surplus thick liquid recovery system, make the sediment stuff pump pass the support frame through hoist mechanism, in the support frame import deepened the auxiliary barrel, utilize support frame restriction sediment stuff pump range of rocking.

4. Surplus thick liquid recovery system, through air pocket and homogenization bucket intercommunication, utilize pneumatics to make the surplus thick liquid of air pocket output, can avoid causing the inside damage of sediment stuff pump among the traditional device.

5. Surplus thick liquid recovery system, the air pocket bottom is equipped with weighing device, utilizes the surplus thick liquid of air pocket output to realize quantitative transport.

6. Surplus thick liquid recovery system, the barrel bottom be the back taper, the back taper barrel bottom center department is equipped with the drain, the back taper barrel bottom radial eccentric position sets up the discharge gate, can avoid solid deposit to get into the air package like this, and solid deposit accessible drain discharges.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for the description of the embodiments or the prior art will be briefly described below, and the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of a residual slurry recovery system according to the present invention.

Fig. 2 is a three-dimensional view of the collecting barrel of the present invention.

Fig. 3 is a cross-sectional view of the collecting vessel of the present invention.

Fig. 4 is a schematic view of the homogenization barrel according to the present invention.

Figure 5 is the homogenization bucket three-dimensional drawing of the utility model.

Figure 6 is the homogenization bucket cross-sectional view of the utility model.

In the figure:

1-a lifting device; 1-1-electric block; 1-2-hanger; 2-a collection barrel; 2-1-main cylinder; 2-2-a first gear motor; 2-3-auxiliary cylinder; 2-4-a support frame; 2-5-a first filtration device; 2-6-a first stirring device; 2-7-a barrier plate; 3-a gas storage tank; 4-homogenizing barrel; 4-1-cylinder; 4-2-a second gear motor; 4-3-a second stirring device; 4-4-support ear; 4-5-eccentric discharge port; 4-6-a second filtration device; 4-7-cover body; 4-8-a sewage draining outlet; 5-air bag; 5-1-air bag outlet; 5-2-air pocket import; 5-3-back flushing port; 6-a first weighing device; 6-1-tension spring; 7-storage barrel; 8-slurry pump; 9-a support; 10-a stirring station; 11-a second weighing device; 11-1-tension spring.

Detailed Description

The invention will be further described with reference to the drawings and the following examples, but the scope of the invention is not limited thereto.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "axial", "radial", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of 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, are not to be construed as limiting the invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

As shown in fig. 1, the residual slurry recycling system of the present invention comprises a collecting barrel 2, a homogenizing barrel 4, a slurry pump 8 and a lifting device 1, wherein the collecting barrel 2 is used for collecting residual slurry; the slurry pump 8 is arranged on the lifting device 1, and the slurry pump 8 enters the collecting barrel 2 through the lifting device 1 and is used for conveying residual slurry in the collecting barrel 2 to the homogenizing barrel 4; the homogenizing barrel 4 is used for homogenizing residual pulp; the outlet of the homogenization barrel 4 is quantitatively conveyed into the metering device of the mixing station 10 by a conveying system.

As shown in fig. 2, the collecting barrel 2 comprises a main barrel 2-1, an auxiliary barrel 2-3, a first speed reduction motor 2-2 and a first stirring device 2-6; the side face of the main cylinder body 2-1 is provided with an auxiliary cylinder body 2-3, the main cylinder body 2-1 is communicated with the auxiliary cylinder body 2-3, a first stirring device 2-6 is installed in the main cylinder body 2-1, a support frame 2-4 is installed on the main cylinder body 2-1, a first speed reduction motor 2-2 is installed on the support frame 2-4, and an output shaft of the first speed reduction motor 2-2 and the first stirring device 2-6 are used for driving the first stirring device 2-6 to rotate. The stirring devices 2-6 are paddle type stirring devices. The slurry pump 8 is installed on the lifting device 1, and the slurry pump 8 enters the collecting barrel 2 through the lifting device 1 and is used for conveying residual slurry in the collecting barrel 2. Surplus thick liquid recovery system, utilize elevating gear to go deep into the collecting vessel with the sediment stuff pump in, realize carrying surplus thick liquid in the collecting vessel, can promote the sediment stuff pump when not needing to carry, utilize the spray gun to wash the import of sediment stuff pump, prevent that the sediment stuff pump from blockking up, be convenient for clear up the sediment stuff pump.

The collecting barrel 2 is an open-style barrel, i.e. the top has no complete cover. Install through support frame 2-4 and support first gear motor 2-2 above collecting vessel 2, and in order to prevent to contain surplus thick liquid such as root, branch, leaf, large granule stone and get into collecting vessel 2, support frame 2-4 side-mounting filter basket, it is the feed inlet, has the filtering action.

As shown in fig. 3, the bottom of the main cylinder 2-1 and the bottom of the auxiliary cylinder 2-3 are provided with a barrier plate 2-7, and the height of the barrier plate 2-7 is less than 1/4 of the height of the main cylinder 2-1, so as to prevent the sediment at the bottom of the main cylinder 2-1 from entering the auxiliary cylinder 2-3 and being sucked by the slurry pump.

As shown in fig. 1, the lifting device comprises a hanging bracket 1-2 and an electric hoist 1-1, the hanging bracket 1-2 is an L-shaped cantilever beam, the electric hoist 1-1 is mounted on the hanging bracket 1-2 through a linear traveling mechanism, a lifting hook of the electric hoist 1-1 is connected with a slurry pump 8, and the slurry pump 8 is moved up and down through the electric hoist 1-1. In order to prevent the shaking range of the slurry pump 8 from being too large in the moving process, the support frame 2-4 extends to the auxiliary barrel body 2-3, the slurry pump 8 penetrates through the support frame 2-4 through the electric hoist 1-1, the inlet of the slurry pump 8 penetrates into the auxiliary barrel body 2-3, and the shaking range of the slurry pump 8 is limited by the support frame. And protective rubber is arranged on two sides of the support frame 2-4 through which the slurry pump 8 passes and used for preventing the slurry pump 8 from being scratched. 2 inner walls of collecting vessel are equipped with teflon board or teflon coating, prevent that surplus thick liquid from bonding.

And a first laser range finder is arranged in the collecting barrel 2 and used for measuring the residual slurry liquid level height of the collecting barrel 2, when the residual slurry liquid level height is higher than the set liquid level, the electric hoist 1-1 is controlled to descend, and a slurry pump is started to pump residual slurry. When the set liquid level is reached, the electric hoist 1-1 is controlled to ascend, and the slurry pump stops working.

As shown in fig. 4 and 5, the homogenizing barrel 4 comprises a barrel body 4-1, a cover body 4-7, a second speed reduction motor 4-2 and a second stirring device 4-3; the cover body 4-7 is arranged on the cylinder body 4-1, the second stirring device 4-3 is arranged in the cylinder body 4-1, the second speed reducing motor 4-2 is arranged on the cover body 4-7, and a stirring shaft of the second stirring device 4-3 is connected with an output shaft of the second speed reducing motor 4-2 and used for driving the second stirring device 4-3. The part of the cover body 4-7 supporting the second speed reducing motor 4-2 is formed by splicing sectional materials, and the rest part is paved with grids for preventing foreign matters from falling into the cylinder body 4-1. And a second laser range finder is arranged in the cylinder body 4-1 and used for measuring the liquid level in the cylinder body 4-1, and the volume can be estimated according to the inner diameter of the cylinder body 4-1. The support lugs 4-4 are arranged on the periphery of the cylinder body 4-1, and the cylinder body 4-1 is arranged above the support 9 through the support lugs 4-4; and a second weighing sensor is arranged at the position of the support lug 4-4 of the cylinder body 4-1 and is used for detecting the weight of the residual pulp in the cylinder body 4-1. The density of the residual slurry can be calculated by the weight of the residual slurry in the cylinder 4-1 and the volume of the residual slurry in the cylinder 4-1.

The cover body 4-7 is provided with a feed inlet and a water inlet, and the feed inlet is provided with a filtering device 4-6 for filtering coarse solid particles such as tree roots, branches, leaves, large-particle stones and other impurities. When the density of the residual slurry is too high, the residual slurry can be diluted through the water inlet, and when the density of the residual slurry is too low, the residual slurry can be supplemented. And at least one control valve and a back flush interface are arranged on a first pipeline between the outlet of the slurry pump 8 and the feed inlet of the homogenizing barrel 4.

As shown in figure 6, the bottom of the barrel 4-1 is in an inverted cone shape, a sewage draining outlet 4-8 is formed in the center of the bottom of the inverted cone 4-1, and at least 1 eccentric discharging outlet 4-5 is formed in the radial eccentric position of the bottom of the inverted cone 4-1, so that solid precipitates in the homogenizing barrel 1 can be prevented from entering an air bag and being discharged through the sewage draining outlet. Generally, the eccentricity between the eccentric discharge hole 4-5 and the center of the bottom of the cylinder 4-1 is not more than 0.2 to 0.3 times of the inner diameter of the cylinder 4-1. And a pneumatic butterfly valve is arranged on the eccentric discharge port 4-5.

As shown in fig. 1 and 4, the conveying system comprises an air bag 5 and an air source unit, and the outlet of the homogenizing barrel 4 is communicated with the air bag 5 for filling residual slurry in the air bag 5; the air bag 5 is communicated with an air source unit and is used for pneumatically conveying residual slurry in the air bag 5 to the metering equipment of the mixing station 10. The air source unit can be an air storage tank 3, and can also be an air compressor and a pressure regulating valve.

As shown in fig. 4, the air bag 5 is mounted below the bracket 9 by a second weighing device 11 for measuring the weight of the residual slurry entering the air bag 5; the air bag 5 is positioned below the homogenizing barrel 1 and can be conveyed into the air bag 5 by using the residual slurry gravity and also can be conveyed by a pumping device. The air bag 5 is a pressure container with a seal head, an air bag inlet 5-2, an air bag outlet 5-1, an exhaust port, a pressure relief port and a back flushing port 5-3 are arranged on the air bag 5, and the air bag inlet 5-2 is connected with an eccentric discharge port 4-5 through a wear-resistant rubber hose and/or a hard pipe. The back washing port 5-3 is communicated with a back washing system which can be a water pipeline or an air source, and the air bag 5 is back washed by the water pipeline or the air source. An exhaust valve is arranged on the exhaust port and used for exhausting air when the air bag 5 feeds, a safety valve is arranged on the pressure relief port, and a backflow port of the safety valve is connected with the collecting barrel 2 and used for collecting residual slurry reflowing in the pressure relief process.

The weighing device 11 comprises a tension spring 11-1 and a sensor, a lifting point on the air bag 5 is connected with one end of the tension spring 11-1, the other end of the tension spring 11-1 is connected with the support 9, and the sensor can directly detect the tension of the tension spring 11-1, so that the displacement change of the tension spring 11-1 is detected, and then the tension is converted into the tension of the tension spring 11-1 for detecting the weight of residual pulp in the air bag 5.

The inner wall of the cylinder body 1-1 is provided with a Teflon plate or a Teflon coating to prevent residual slurry from being bonded. The inner wall of the air bag 5 is provided with a Teflon plate or a Teflon coating.

If the air bag 5 is directly fed into the metering device of the mixing station 10, the accommodation of the air bag 5 would need to exceed 3m ³ The air bag 5 occupies a large space, and more importantly, an air compressor with larger power needs to be equipped. Therefore, the conveying system further comprises a storage barrel 7, the storage barrel 7 is positioned above the metering device of the mixing station 10, the air bag 5 conveys residual slurry in the air bag 5 into the storage barrel 7 through air, and the outlet of the storage barrel 7 is communicated with the metering device of the mixing station 10. The residual slurry in the storage tank 7 is conveyed by gravity to the metering device of the mixing station 10.

At least one control valve and a back flush interface are arranged on a second pipeline between the outlet of the air bag 5 and the inlet of the storage barrel 7.

The bending radius of the central line of the elbow pipe on the first pipeline between the outlet of the slurry pump 8 and the inlet of the homogenizing barrel 4 and the second pipeline between the outlet of the air bag 5 and the inlet of the storage barrel 7 is not less than 5 times of the nominal diameter of the pipeline, so that the pipeline is prevented from being blocked by residual slurry at the bending part of the pipeline.

It should be understood that although the present description has been described in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein may be combined as suitable to form other embodiments, as will be appreciated by those skilled in the art.

The above detailed description is only for the purpose of illustrating the practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the technical spirit of the present invention are intended to be included within the scope of the present invention.

Claims (18)

1. The residual slurry recovery system is characterized by comprising a collecting barrel (2), a homogenizing barrel (4), a slurry pump (8) and a lifting device (1), wherein the collecting barrel (2) is used for collecting residual slurry; the slurry pump (8) is installed on the lifting device (1), and the slurry pump (8) enters the collecting barrel (2) through the lifting device (1) and is used for conveying residual slurry in the collecting barrel (2) to the homogenizing barrel (4); the homogenizing barrel (4) is used for homogenizing the residual pulp; the outlet of the homogenizing barrel (4) is quantitatively conveyed into a metering device of the stirring station (10) through a conveying system.

2. The residual slurry recycling system according to claim 1, wherein the collecting vessel (2) comprises a main cylinder (2-1), an auxiliary cylinder (2-3), a first power device and a first stirring device (2-6); the improved stirring device is characterized in that an auxiliary barrel (2-3) is arranged on the side face of the main barrel (2-1), the main barrel (2-1) is communicated with the auxiliary barrel (2-3), a first stirring device (2-6) is installed in the main barrel (2-1), a support frame (2-4) is installed on the main barrel (2-1), a first power device is installed on the support frame (2-4), and the first power device is used for driving the first stirring device (2-6).

3. The residual slurry recycling system according to claim 2, wherein a feed port is arranged on the supporting frame (2-4), and a first filtering device (2-5) is arranged on the feed port and used for filtering impurities; and blocking plates (2-7) are arranged at the bottom of the main cylinder body (2-1) and the bottom of the auxiliary cylinder body (2-3) and are used for preventing precipitates from entering the auxiliary cylinder body (2-3).

4. The residual slurry recycling system according to claim 3, wherein the height of the baffle plate (2-7) is less than 1/4 of the height of the main cylinder (2-1); a first liquid level sensor is arranged on the collecting barrel (2).

5. The residual slurry recycling system according to claim 2, wherein the lifting device comprises a lifting frame (1-2) and a lifting mechanism, the lifting mechanism is movably mounted on the lifting frame (1-2), and the telescopic end of the lifting mechanism is connected with the slurry pump (8).

6. The residual slurry recovery system according to claim 5, wherein the support frame (2-4) extends to the sub-drum (2-3), the slurry pump (8) is passed through the support frame (2-4) by the lifting mechanism, and the inlet of the support frame (2-4) is deep into the sub-drum (2-3).

7. The residual slurry recycling system according to claim 1, wherein the homogenizing barrel (4) comprises a barrel body (4-1), a cover body (4-7), a second power device and a second stirring device (4-3); a cover body (4-7) is arranged on the cylinder body (4-1), a second stirring device (4-3) is arranged in the cylinder body (4-1), and the second power device is used for driving the second stirring device (4-3); the second power device is arranged on the cover body (4-7).

8. The residual slurry recycling system according to claim 7, wherein said cover body (4-7) is provided with a feed inlet and a water inlet, and said feed inlet is provided with a second filtering device (4-6) for filtering coarse solid particles.

9. The residual slurry recycling system according to claim 7, characterized in that the bottom of the barrel (4-1) is in an inverted cone shape, a sewage outlet (4-8) is arranged at the center of the bottom of the inverted cone-shaped barrel (4-1), and at least 1 discharge hole is arranged at the radial eccentric position of the bottom of the inverted cone-shaped barrel (4-1).

10. The residual slurry recycling system according to claim 7, wherein a second liquid level sensor is installed in the cylinder (4-1) for detecting the liquid level in the cylinder (4-1); the support lugs (4-4) are arranged on the periphery of the barrel body (4-1), and the barrel body (4-1) is arranged above the support (9) through the support lugs (4-4); and a second weighing sensor is arranged at the support lug (4-4) of the cylinder body (4-1) and is used for detecting the weight of the residual pulp in the cylinder body (4-1).

11. The residual slurry recycling system according to claim 1, wherein at least one control valve and a back flush interface are provided on the first pipe between the outlet of the slurry pump (8) and the inlet of the homogenizing barrel (4).

12. Residual slurry recycling system according to any of the claims 1 to 11, characterized in that the transport system comprises an air bag (5) and a gas source unit, the outlet of the homogenization barrel (4) is in communication with the air bag (5) for filling the air bag (5) with residual slurry; the air bag (5) is communicated with an air source unit and is used for pneumatically conveying residual slurry in the air bag (5) to metering equipment of the mixing station (10).

13. The residual slurry recycling system according to claim 12, characterized in that the air bag (5) is mounted below the bracket (9) by means of a second weighing device (11) for metering the weight of the residual slurry entering the air bag (5); the air bag (5) is provided with a back washing port (5-3) and a pressure relief port, and the back washing port (5-3) is communicated with a back washing system; and a safety valve is arranged on the pressure relief opening, and a backflow opening of the safety valve is connected with an inlet of the collecting barrel (2).

14. The residual slurry recycling system according to claim 13, wherein the second weighing device (11) comprises a tension spring (11-1) and a sensor, the lifting point on the air bag (5) is connected with one end of the tension spring (11-1), the other end of the tension spring (11-1) is connected with the bracket (9), and the sensor is used for directly or indirectly detecting the weight of the residual slurry in the air bag (5).

15. Residual slurry recycling system according to claim 12, characterized in that the transport system further comprises a storage tank (7), the storage tank (7) being located above the metering device of the mixing station (10), the air bag (5) pneumatically transporting the residual slurry in the air bag (5) into the storage tank (7), the storage tank (7) outlet being in communication with the metering device of the mixing station (10).

16. The residual slurry recycling system according to claim 12, wherein the inner wall of the collecting barrel (2) and the inner wall of the homogenizing barrel (4) are respectively provided with a teflon plate or a teflon coating; the inner wall of the air bag (5) is provided with a Teflon plate or a Teflon coating.

17. The residual slurry recycling system according to claim 15, wherein at least one control valve and a back flush port are provided on the second pipeline between the outlet of the air drum (5) and the inlet of the storage tank (7).

18. The residual slurry recovery system according to claim 15, wherein the bend centerline bend radius on the first conduit between the slurry pump (8) outlet and the homogenization barrel (4) inlet and the second conduit between the air bag (5) outlet and the storage barrel (7) inlet is not less than 5 times the nominal conduit diameter.

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