CN217202501U - Integrated sludge deep dehydration system - Google Patents

Abstract

The utility model discloses an integrated form sludge deep dehydration system, this integrated form sludge deep dehydration system include hydroextractor, portable lift platform, mud quenching and tempering mixing arrangement, degree of depth dewatering device and controller once. Wherein, the primary dehydrator is used for carrying out dehydration in advance to mud, sets up on portable lift platform, and portable lift platform can drive primary dehydrator and rise, fall and move along arbitrary direction. The primary dehydrator can convey the sludge subjected to the pre-dehydration treatment to the sludge conditioning and mixing device, and the sludge conditioning and mixing device is used for modifying the sludge. The sludge conditioning and mixing device can convey the modified sludge to a deep dehydration device, and the deep dehydration device is used for removing redundant moisture of the sludge. The primary dehydrator, the sludge conditioning and mixing device and the deep dehydration device are all in data connection with the controller. The integrated sludge deep dehydration system has the advantages of small occupied area, flexible installation and low cost.

Description

Integrated sludge deep dehydration system

Technical Field

The utility model relates to the technical field of, especially, relate to an integrated form sludge deep dehydration system.

Background

In the fourteen-five period required in the construction of the propulsion facilities, the scale of the newly added sludge (wet sludge with the water content of 80%) harmless treatment facilities is not less than 2 ten thousand tons per day. Clearly puts forward and emphasizes on solving the sludge disposal difficulty, realizes harmlessness and promotes resource utilization. Recently, as one of the key points of 'shortening plate and strength item' for sludge reduction, harmlessness and resource utilization, 'deep dehydration technology of sludge' plays an important role.

In China and many old water plants, only a regulating tank (a sludge discharge tank) is provided, the available land area is small in the process of modification and upgrading, and a sludge dewatering system in the prior art occupies a large area and cannot meet the requirements of the water plants.

Therefore, it is desirable to provide an integrated sludge deep dewatering system to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an integrated form sludge deep dehydration system has that area is little, the installation is nimble and low cost's advantage.

To achieve the purpose, the utility model adopts the following technical proposal:

an integrated sludge deep dewatering system comprising:

the primary dehydrator is used for performing pre-dehydration treatment on the sludge;

the primary dehydrator can be driven by the movable lifting platform to lift, fall and move along any direction;

the primary dehydrator can convey the sludge subjected to the pre-dehydration treatment to the sludge conditioning and mixing device, and the sludge conditioning and mixing device is used for modifying the sludge;

the deep dehydration device can convey the modified sludge to the deep dehydration device, and the deep dehydration device is used for removing redundant moisture of the sludge;

the primary dehydrator, the sludge conditioning and mixing device and the deep dehydration device are all in data connection with the controller.

Optionally, the primary dehydrator comprises:

the sludge treatment device comprises a first shell, a second shell and a sludge treatment device, wherein a first containing cavity is formed in the first shell and used for containing sludge, a first feeding hole and a first discharging hole are formed in the first shell, and the first feeding hole and the first discharging hole are communicated with the first containing cavity;

the first dosing device is arranged at the first feeding port and used for putting conditioning agents into the first accommodating cavity, and the first dosing device is in data connection with the controller.

Optionally, first charge device includes muddy flow transmitter and dosing pump, muddy flow transmitter is used for the monitoring first feed inlet department gets into the concentration of mud with the mud volume of first feed inlet department, the dosing pump can to put in the preliminary dehydration medicament in the first feed inlet, the controller basis the data information control of muddy flow transmitter feedback the dosing of dosing pump.

Optionally, the primary dehydrator further comprises a back washing device, a washing port is formed in the first shell, and the back washing device is connected with the washing port and used for washing the inner wall of the first accommodating cavity.

Optionally, the movable lift platform comprises:

the primary dehydrator is arranged on the workbench;

a plurality of telescopic supporting rods are arranged, and one ends of the plurality of telescopic supporting rods are connected with the workbench;

and the walking wheel is arranged at the other end of the telescopic supporting rod.

Optionally, mud quenching and tempering mixing arrangement includes mud quenching and tempering and mixes machine and first support, the setting of mud quenching and tempering mixes the machine and is in on the first support, the mud quenching and tempering mixes the machine and includes:

the second housing is internally provided with a second accommodating cavity, the sludge is accommodated in the second accommodating cavity, the second housing is provided with a second feeding hole, a first dosing hole, a second dosing hole and a second discharging hole, and the second feeding hole, the first dosing hole, the second dosing hole and the second discharging hole are all communicated with the second accommodating cavity;

a second dosing device capable of dosing conditioning agents from the first dosing port and the second dosing port into the second containing cavity;

the stirring device is arranged in the second accommodating cavity and used for uniformly mixing the conditioning medicament and the sludge;

the weighing sensor is arranged at the bottom of the second shell and is opposite to the second feeding hole;

the weighing sensor and the second dosing device are in data connection with the controller.

Optionally, the number of the stirring devices is at least two, and at least two stirring devices are arranged in parallel.

Optionally, the deep dehydration device comprises a sludge deep dehydration machine and a second support, and the sludge deep dehydration machine is arranged on the second support.

Optionally, the deep dehydrator is a sludge high-pressure belt type deep dehydrator, a supercharging type belt type deep dehydrator or a planetary filter press roller belt type deep dehydrator.

Optionally, the primary dewatering machine and the sludge conditioning and mixing device and the deep dewatering device are arranged at an angle.

The utility model has the advantages that:

through setting up a hydroextractor on portable lift platform, can change the mounted position of a hydroextractor under portable lift platform's removal and elevating system according to actual place demand, the installation is nimble, can reduce area, practices thrift and reforms transform the cost.

The primary dehydrator, the sludge conditioning and mixing device and the deep dehydration device are combined for use, so that the moisture content of the sludge with the moisture content of 89.9% -99.9% can be reduced to 50% -70%, the requirement of sludge dehydration is met, the process is simple, and the cost is low.

Drawings

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

FIG. 1 is a first schematic structural diagram of an integrated sludge deep dehydration system provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram ii of the integrated sludge deep dewatering system provided by the embodiment of the present invention.

In the figure:

100. primary dewatering machine; 110. a first housing; 111. a first feed port; 112. a first discharge port; 113. Flushing the opening; 114. an air extraction opening; 115. a sewage draining outlet; 116. a filtrate outlet; 120. a first dosing device; 200. a movable lifting platform; 210. a work table; 220. a telescopic support rod; 300. a sludge conditioning and mixing device; 310. a sludge conditioning mixer; 311. a second housing; 3111. a second feed port; 3112. a first dosing port; 3113. a second dosing port; 3114. a second discharge port; 320. a first bracket; 400. a deep dehydration device.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The utility model provides an integrated form sludge deep dehydration system has that area is little, the installation is nimble and low cost's advantage.

Specifically, as shown in fig. 1-2, the integrated sludge deep-dewatering system includes a primary dewatering machine 100, a movable lifting platform 200, a sludge conditioning and mixing device 300, a sludge deep-dewatering device 400, and a controller. Wherein the primary dehydrator 100 is used to perform a pre-dehydration process on the sludge. The movable elevating platform 200 has functions of raising, dropping, and moving in any direction. Primary dehydrator 100 sets up on portable lift platform 200, and portable lift platform 200 can make primary dehydrator 100 rise, fall and remove along arbitrary direction, and then can change primary dehydrator 100's mounted position according to the place demand of difference to improve above-mentioned integrated form sludge deep dehydration system's installation flexibility and universality, be favorable to dwindling above-mentioned integrated form sludge deep dehydration system's area, reduce the factory and reform transform the cost. The movable lifting platform 200 can also be used as an overhaul platform of the primary dehydrator 100, so that the primary dehydrator 100 can be maintained conveniently. The primary dehydrator 100 can convey sludge subjected to pre-dehydration to the sludge conditioning and mixing device 300, the sludge conditioning and mixing device 300 is used for modifying the sludge, the modified sludge is conveyed to the deep dehydration device 400, and the deep dehydration device 400 can remove excess moisture of the sludge, so that the moisture content of the sludge meets the requirement. The controller is in data connection with the primary dewatering machine 100, the sludge conditioning and mixing device 300 and the deep dewatering device 400 so as to control the work of the primary dewatering machine 100, the sludge conditioning and mixing device 300 and the deep dewatering device 400, and realize the purpose of automatically controlling sludge dewatering, so that the integrated sludge deep dewatering system is more intelligent, saves manpower and reduces cost.

Further, the primary dehydrator 100 may include a first housing 110 and a first medicine adding device 120. Wherein, be equipped with first chamber of holding in first shell 110 for hold mud, the preliminary dehydration of mud is gone on in first intracavity that holds. First shell 110 is provided with first feed inlet 111 and first discharge gate 112, and first feed inlet 111 and first discharge gate 112 all hold the chamber intercommunication with first. Sludge enters the first accommodating cavity from the first feeding hole 111, and is discharged from the first discharging hole 112 after being subjected to pre-dehydration treatment. The first medicine adding device 120 is disposed at the first feed port 111. The first dosing device 120 can put the pre-dehydration treatment agent into the first feed port 111, the first dosing device 120 is in data connection with the controller, and the controller can control the dosing amount of the first dosing device 120.

Preferably, the first dosing device 120 comprises a shale flow transmitter and a dosing pump. The argillaceous flow transmitter can monitor the sludge inlet amount and the sludge concentration at the first feed port 111, and feeds the monitored data information back to the controller. The dosing pump can put in the pre-dehydration treatment medicament to the first feed inlet 111, the controller controls the dosing amount of the dosing pump according to the data information fed back by the argillaceous flow transmitter, automatic matching of the mud feeding amount and the dosing amount is realized, most of free water of the sludge removed by the primary dehydrator 100 is favorably enabled, the sludge after pre-dehydration treatment is enabled to be close to a plastic state and have sufficient macroscopic and microscopic gaps, and the subsequent modification treatment on the sludge is favorably realized.

Preferably, can set up on first shell 110 and hold the mouth 113 of washing of chamber intercommunication with first, set up back flush unit in the mouth 113 department of washing, back flush unit can wash the first inner wall that holds the chamber to wash it when need not to use hydroextractor 100 or hydroextractor 100 to block up once, compare with manual cleaning, when guaranteeing clean effect, can practice thrift the manpower, improve hydroextractor 100's automation ability once, be favorable to improving user's experience sense.

Preferably, a first suction port 114, a filtrate outlet 116, a drain 115, and the like, which communicate with the first receiving chamber, may be further provided on the first housing 110. Since the sludge in the first accommodating chamber is likely to generate odor, in order to prevent the odor from volatilizing into the air and affecting the environment, the odor can be pumped away and collected through the first pumping hole 114. The number of the first pumping holes 114 can be multiple, which is beneficial to improving the pumping efficiency. In the present embodiment, three pumping ports 114 are provided. In other embodiments, the number of the pumping holes 114 may be other, and may be set according to actual needs. The water of the sludge removed by the primary dehydrator 100 can be discharged through the filtrate outlet 116 and collected in a centralized manner, so that the contact between the redundant water and the sludge is avoided, and the quality of sludge pre-dehydration treatment is ensured. The residue and the like generated by the operation of the primary dehydrator 100 can be discharged through the sewage discharge outlet 115, thereby improving the quality of the sludge.

Further, when the primary dehydrator 100 is not used, a plurality of first sealing covers may be disposed, so that the plurality of first sealing covers are respectively and hermetically connected to the first feeding hole 111, the first discharging hole 112, the flushing hole 113, the first pumping hole 114, the filtrate outlet 116, the sewage draining hole 115, and the like, thereby ensuring cleanness of the first accommodating cavity.

Alternatively, the primary dehydrator 100 may be a screw stacking machine, a belt machine, a rotary extruder, a centrifugal dehydrator, or the like, and may be selected according to actual needs.

Further, the movable lifting platform 200 may include a table 210, a telescoping support bar 220, and road wheels. The primary dehydrator 100 is disposed on a table 210. The telescopic supporting rods 220 are arranged in a plurality, one ends of the telescopic supporting rods 220 are connected with the workbench 210 and used for supporting the workbench 210, the telescopic supporting rods 220 can change the length through stretching, the workbench 210 is lifted and dropped, and the purpose of lifting and dropping the primary dehydrator 100 is achieved. In the present embodiment, 4 retractable support rods 220 are provided, and the 4 retractable support rods 220 are provided at four corners of the worktable 210. In other embodiments, the number and the arrangement of the retractable support rods 220 may be other, and may be set according to actual needs. The traveling wheels are disposed at the other end of the telescopic supporting rod 220, which is advantageous for the movement of the movable lifting platform 200. The walking wheel can be a universal wheel, and the moving direction can be conveniently adjusted.

Preferably, the walking wheels can be arranged to comprise locking mechanisms, when the movable lifting platform 200 does not need to be moved, the locking mechanisms can limit the rotation of the walking wheels, so that the situation that the position of the primary dehydrator 100 is changed due to vibration during working is avoided, and the installation reliability of the primary dehydrator 100 is ensured.

Further, the sludge conditioning and mixing device 300 includes a sludge conditioning and mixing machine 310 and a first bracket 320, and the sludge conditioning and mixing machine 310 is disposed on the first bracket 320. The sludge conditioning mixer 310 may include a second housing 311, a second dosing device, a stirring device, and a weighing sensor. Wherein, a second containing cavity is arranged in the second shell 311 and used for containing sludge. Second shell 311 is provided with second feed inlet 3111, first medicine adding port 3112, second medicine adding port 3113 and second discharge gate 3114, and second feed inlet 3111, first medicine adding port 3112, second medicine adding port 3113 and second discharge gate 3114 all hold the chamber intercommunication with the second. First discharge gate 112 of primary dewaterer 100 and the second feed inlet 3111 sealing connection of mud quenching and tempering mixer 310, mud enters into the second from second feed inlet 3111 and holds the chamber, and the second charge device will be made a temper the medicament and put into the second and hold the intracavity through first medicine feed port 3112 and second medicine feed port 3113, and the mud that the quenching and tempering is good is discharged from second discharge gate 3114. Agitating unit sets up and holds the intracavity at the second, can hold mud and condition the medicament misce bene, realizes the quenching and tempering to mud. Weighing sensor sets up in the bottom of second shell 311, and sets up with second feed inlet 3111 relatively, and weighing sensor's real-time data can reflect the real-time mud volume of advancing of second feed inlet 3111, and then realizes the purpose of the change of the mud volume of advancing of real-time detection second feed inlet 3111 through weighing sensor. Weighing sensor and second charge device all with controller data connection, the controller controls charge device's the dose of throwing through the data that receive from weighing sensor department, and then guarantees the dose and advance the automatic matching of mud volume, both uses manpower sparingly, can guarantee again the dose and advance the proportion of mud volume, provides reliable guarantee for the stability of the play mud moisture content of rear end sludge dewatering equipment.

Further, the first dosing port 3112 is a liquid medicament dosing port, and the second dosing port 3113 is a powder medicament dosing port. Wherein, the second feed inlet 3111, the first dosing port 3112, the second dosing port 3113 and the second discharge port 3114 are arranged in sequence along the traveling direction of the sludge. The second feed inlet 3111 is located at a head end of the second housing 311.

Preferably, first medicine feed port 3112 can set up a plurality ofly, and a plurality of first medicine feed ports 3112 can set up along second feed inlet 3111's circumference interval, and the second holds the intracavity in can throwing continuously, evenly and dispersedly to the conditioning medicament that is favorable to liquid, has increased the area of contact between mud and the liquid medicament, has improved the mixed effect.

Further, in this embodiment, the number of the first medicine adding openings 3112 is 1 to 4, and exemplarily, the number of the first medicine adding openings 3112 may be 1, 2, 3 or 4, and the first medicine adding openings 3112 may be set according to actual needs. The distance between the adjacent first medicine adding ports 3112 is 5cm to 10cm, and may be, for example, 5cm, 6cm, 7cm, 8cm, 9cm, or 10cm, and the like, which may be set according to actual needs. Of course, in other embodiments, the number and arrangement of the first dosing ports 3112 may be other, and the first dosing ports may be arranged according to actual needs.

Alternatively, the second dosing port 3113 may be square or circular, and the side length of the square second dosing port 3113 may be 10cm to 20cm, and may be 10cm, 12cm, 14cm, 16cm, 18cm, 20cm, or the like, for example, and may be set according to actual needs. The diameter of the circular second medicine adding port 3113 may be 10cm to 20cm, and may be 10cm, 12cm, 14cm, 16cm, 18cm, 20cm, or the like, as needed. Of course, the second dosing port 3113 may have other shapes, and may be selected according to actual needs.

Further, the distance between the second medicine adding port 3113 and the first medicine adding port 3112 may be 50cm to 100cm, and may be, for example, 50cm, 60cm, 70cm, 80cm, 90cm, 100cm, or the like, and may be set as needed.

Preferably, the second dosing port 3113 protrudes from the second housing 311 for dosing, and the protruding height may be 5-10 cm, for example, 5cm, 6cm, 7cm, 8cm, 9cm, or 10cm, and the like, and may be set according to actual needs.

Preferably, a first observation port can be further arranged at the tail part of the second housing 311, the first observation port is communicated with the second accommodating cavity, and a worker can observe the condition inside the second accommodating cavity in real time through the first observation port.

Further, can set up a first apron for the first viewing aperture of shutoff, first apron can be connected convenient to detach with first viewing aperture lock.

Optionally, the material of the first cover plate may be one of stainless steel, tempered glass, or other transparent materials, and may be selected according to actual needs. Through the apron that adopts transparent material to make, the staff of being convenient for need not to open first apron can hold the inside in chamber to the second and observe.

Preferably, since it is necessary to wash the sludge conditioning mixer 310 when it is not needed to work, it is ensured to be clean. Therefore, a flushing mechanism can be arranged on the second housing 311 for cleaning the second accommodating cavity, and compared with manual cleaning, the cleaning quality is high and the cleaning is simpler.

Further, the flushing mechanism may include a flushing nozzle and a water inlet tube. Wherein, the washing nozzle is communicated with the water outlet of the water inlet pipe, and the washing nozzle is arranged in the second accommodating cavity. The wash water gets into from the water inlet of inlet tube, follows the shower nozzle blowout, holds the chamber to the second and washs.

Optionally, can set up a plurality of mechanisms of washing, be favorable to improving and wash efficiency and washing quality, guarantee that the second holds the inside cleanness in chamber. In the present embodiment, 1 to 3 flushing mechanisms are provided, and for example, the number of flushing mechanisms may be 1, 2 or 3. In other embodiments, the number of the flushing mechanisms can be other, and the flushing mechanisms can be arranged according to actual needs.

Furthermore, the flushing nozzle can be made of stainless steel, aluminum alloy, brass or plastic and the like, and the materials have the characteristic of corrosion resistance, so that the service life of the flushing nozzle can be prolonged. The washing nozzle can be a high-pressure nozzle which can spray water with certain pressure, so that on one hand, the washing nozzle is favorable for washing away the sludge adhered to the inner wall of the mixing drum, and the cleaning effect is better; on the other hand, a small amount of water can be with mud wash clean, when guaranteeing the clean effect to the churn, can the water economy resource.

Preferably, in one embodiment, the washing nozzle can be a fan-shaped wide-angle nozzle, the spraying range of the fan-shaped wide-angle nozzle is 30-120 degrees, the spraying range is wide, the inner wall of the whole mixing drum can be covered, and the cleaning effect is ensured. In another embodiment, the washing nozzle can also be a spiral nozzle which can effectively prevent dust from blocking and ensure the working reliability of the washing nozzle. In other embodiments, since a plurality of flushing mechanisms may be provided to flush the second receiving chamber, a portion of the flushing nozzles may be provided as fan nozzles, and another portion of the flushing nozzles may be provided as spiral nozzles.

Preferably, since the sludge contains heavy metals, humus, pathogenic bacteria, etc., and is thus easily deodorized by oxidation, in order to ensure that the odor in the second accommodating chamber does not leak to the surrounding environment during operation of the sludge conditioning mixer 310, a second suction opening 114 communicating with the second accommodating chamber may be provided in the second housing 311, for example, the second suction opening 114 may be provided at one end or the top of the second housing 311. The staff can pump the odor in the mixing drum away through the second pumping hole 114 and collect the odor in the mixing drum, so as to avoid affecting the working environment of the integrated sludge deep dehydration system.

Alternatively, the number of the second pumping holes 114 may be multiple, which is beneficial to improve the pumping efficiency. In the present embodiment, 3 second pumping ports 114 are provided. In other embodiments, the number of the second pumping holes 114 may be other, and may be set according to actual needs.

Further, in order to avoid that the odor cannot leak from the second air exhaust opening 114 when the air is not exhausted, a second sealing cover may be disposed, and the second sealing cover is hermetically connected to the second air exhaust opening 114 to seal the second air exhaust opening 114.

Further, above-mentioned sludge conditioning mixes machine 310 still includes drive arrangement, and drive arrangement's output and agitating unit transmission are connected to the drive agitating unit is rotatory, and agitating unit is rotatory to hold the mud in the intracavity and condition the medicament to the second and stir, makes mud and the intensive mixing of medicament of conditioning. Wherein, agitating unit is equipped with two at least, and two at least agitating unit arrange side by side in the second holds the intracavity. Illustratively, the number of the grooves can be two, three or four, and the like, and the grooves can be arranged according to actual needs. In the present embodiment, two stirring devices are provided. The length direction of the stirring device is the same as that of the second accommodating cavity. The driving device is in data connection with the controller, and the controller can control the rotating speed of the driving device according to the mud feeding amount fed back by the weighing sensor, so that the stirring uniformity of the mud is improved.

Preferably, the stirring device can comprise a stirring shaft and stirring blades, the output end of the driving device is in transmission connection with the stirring shaft, and the stirring blades are arranged on the outer surface of the stirring shaft and are used for stirring the sludge under the driving of the stirring shaft. The both ends of (mixing) shaft can link to each other with the both ends lateral wall of second shell 311 for the effective working length of (mixing) shaft equals the length that the second held the chamber, is favorable to improving the mixed sufficiency of mud and conditioning medicine.

Optionally, in an embodiment, the stirring blade may be a zigzag blade, and along the length direction of the stirring shaft, the stirring blade is arranged in an S-X-S shape, and the stirring blade arranged in an X shape is disposed opposite to the first dosing port 3112 and the second dosing port 3113, which is beneficial to fully mixing the conditioning agent with the sludge. The stirring blades arranged in the S shape can stir the sludge to improve the mixing sufficiency of the sludge and the conditioning agent, and can push the sludge to advance to send the sludge to the second discharge port 3114.

Furthermore, the sawtooth type blades are in a fan shape, the edges of the sawtooth type blades are in a sawtooth shape, so that the round sludge can be conveniently sheared, and the mixing uniformity of the sludge and the conditioning agent is improved.

Furthermore, the sawtooth type blades can be made of wear-resistant manganese steel materials, and the wear-resistant manganese steel materials have the advantage of wear resistance, so that the strength and the service life of the sawtooth type blades can be improved, and further, the sawtooth type blades can be prevented from being worn excessively and replaced frequently; on the other hand, the uneven mixing of the sludge and the conditioning agent caused by the abrasion of the sawtooth type blades can be avoided, and the conditioning effect on the sludge is improved. The sawtooth type blades can be connected with the stirring shaft in a welding mode, can also be connected with the stirring shaft in a bolt connection mode, can also be connected with the stirring shaft in other modes, and can be arranged according to actual needs.

Optionally, in another embodiment, the stirring blades are helical blades, and the helical blades are arranged in an S shape along the length direction of the stirring shaft, so as to facilitate the sludge to advance, and enable the sludge to be smoothly discharged from the sludge outlet.

Preferably, the edge of the spiral-ribbon-type blade can be in a sawtooth shape, so that the sludge in a bulk shape can be conveniently sheared, and the mixing uniformity of the sludge and the conditioning agent is improved.

Furthermore, the helical-ribbon type blade can be made of wear-resistant manganese steel materials, and the wear-resistant manganese steel materials have the advantage of wear resistance, so that the strength and the service life of the helical-ribbon type blade can be improved, and further, the helical-ribbon type blade can be prevented from being worn excessively and replaced frequently; on the other hand, the problem that the mixing of sludge and conditioning agents is not uniform due to abrasion of the helical-ribbon blades can be avoided, and the conditioning effect on the sludge is improved. The helical ribbon type blades can be connected with the stirring shaft in a welding mode, can also be connected with the stirring shaft in other modes, and can be arranged according to actual needs.

Optionally, in other embodiments, both the zigzag blades and the helical ribbon blades can be arranged on the stirring shaft, so that the stirring effect is better, and the stirring effect can be set according to actual needs.

As a preferable technical scheme, the distance between the inner wall of the second accommodating cavity and the stirring blade is 1 cm-3 cm, for example, 1cm, 2cm or 3cm, and the like, so that the sludge can be prevented from being accumulated on the inner wall of the second accommodating cavity, no dead angle is formed in the second accommodating cavity, and the sludge can be smoothly output.

Further, the driving device comprises a motor and a speed reducer, the output end of the motor is connected with the input end of the speed reducer, and the output end of the speed reducer is connected with the stirring shaft through a coupler or other structures. Through setting up the speed reducer, can make the (mixing) shaft operate steadily, be favorable to the noise reduction, and speed reducer acceleration time is short, and response speed is fast. The speed reducer and the stirring shaft are connected through the coupler, so that the connection strength between the speed reducer and the stirring shaft can be improved, and the working reliability of the stirring shaft is ensured.

In this embodiment, the motor is inverter motor, and the rotational speed of motor can be according to the change automatically regulated that advances mud volume, guarantees agitating unit and can fully stir the mixture to mud and conditioning agent. Of course, in other embodiments, the motor may be of other types, and may be set according to actual needs.

Preferably, the second shell 311 may have a double-layer structure, and the inner layer may be made of a wear-resistant and corrosion-resistant material, so as to prevent the inner layer from being corroded due to long-term contact with wet sludge and ensure the structural strength of the inner layer. The outer layer can be made of stainless steel materials, and the inner layer is protected. Through the churn that sets up bilayer structure, can effectively improve the life of second shell 311. The second housing 311 may have a W-shaped structure or a U-shaped structure.

Further, the second housing 311 may include an upper cover plate and a lower case. Wherein, the top of lower box is equipped with the opening, and the upper cover plate can the shutoff in the opening. When the parts in the lower box body need to be maintained, the upper cover plate can be opened, and the parts can be maintained from the opening of the lower box body. When parts in the lower box body do not need to be maintained, the upper cover plate is blocked at the opening, so that the odor in the lower box body is prevented from leaking.

Alternatively, in one embodiment, one end of the upper cover plate may be rotatably connected to the lower case, such as by a hinge, and the other end of the lower cover plate may be detachably connected to the lower case, such as by a snap lock, to facilitate opening and closing of the upper cover plate. The hasp lock can be an adjustable hasp lock or a safety hasp lock. The safety hasp lock is internally provided with a self-locking device, can prevent the upper cover plate from being opened or closed at will, and has the advantages of flexible opening and firm closing. In other embodiments, both ends of the upper cover plate can be detachably connected with the lower box body, and the upper cover plate can be arranged according to actual needs.

Further, the upper cover plate is provided with at least 3 pieces, and can be equally arranged according to the length of the lower box body, so that the upper cover plate is convenient to open or close, and the universality of the upper cover plate is improved. The upper cover plate can be made of stainless steel materials, is not suitable for heavy weight, and is convenient for workers to open or close.

Preferably, can set up the handle on the upper cover plate, and then be convenient for the staff and open or close the upper cover plate through the handle, reduce the degree of difficulty of operating the upper cover plate. The handle and the upper cover plate can be connected in a bolt connection mode, can also be connected in a welding mode, can also be connected in other modes, and can be selected according to actual needs. Every upper cover plate can set up a handle, also can set up a plurality of handles, set up according to actual need can.

Preferably, in order to avoid the odor in the lower box body from leaking from the joint of the upper cover plate and the lower box body or from the joint of the upper cover plate and the upper cover plate, sealing elements can be arranged between the upper cover plate and between the upper cover plate and the lower box body, so that the odor in the lower box body cannot leak, and the integrated sludge deep dehydration system is ensured to be in a good working environment. Meanwhile, the reliability of concentrated collection of the odor from the second suction opening 114 can be ensured.

Further, the second discharging port 3114 protrudes from the second housing 311, so that the second discharging port 3114 is connected to the deep sludge dewatering device 400. Can set up the second viewing aperture on the lateral wall of second discharge gate 3114, the staff can observe the mud discharge state of second discharge gate 3114 through the second viewing aperture to supervise the operating condition of mud quenching and tempering mixer 310 device constantly, be convenient for can discover the trouble of mud quenching and tempering mixer 310 fast and can overhaul mud quenching and tempering mixer 310 fast.

Preferably, a second cover plate can be arranged, and the second cover plate can block the second observation port to prevent the sludge from splashing outside from the second observation port. One end of the second cover plate may be rotatably connected, e.g., hinged, to the sidewall of the second discharge port 3114. The other end can be dismantled with the lateral wall of second discharge gate 3114 and be connected, if link to each other with the lateral wall of second discharge gate 3114 through the hasp lock, be convenient for the opening and the closing of second apron. The hasp lock can be an adjustable hasp lock or a safety hasp lock. The safety hasp lock is internally provided with a self-locking device, can prevent the second cover plate from being opened or closed at will, and has the advantages of flexible opening and firm closing.

In this embodiment, rotate the second apron and can open the second viewing aperture, the staff of being convenient for observes the condition of play mud volume. When observation is not needed, the second observation port can be plugged by rotating the second cover plate.

Furthermore, a sealing strip can be arranged between the second cover plate and the second observation port for sealing, and the sealing performance between the second cover plate and the second observation port is improved.

As a preferable technical solution, the material of the second cover plate may be one of stainless steel, tempered glass, or other transparent materials, and may be selected according to actual needs. Through the second apron that adopts transparent material to make, the staff of being convenient for need not to open the second apron and can observe the mud volume.

Further, the deep dehydration apparatus 400 may include a deep sludge dehydrator and a second bracket, the deep sludge dehydrator being disposed on the second bracket, the deep sludge dehydrator being configured to remove excess water from the sludge.

Alternatively, in one embodiment, the sludge deep dehydrator is a pressurized belt type deep dehydrator. In another embodiment, the sludge deep dehydrator is a sludge high pressure belt deep dehydrator. In yet another embodiment, the sludge deep dehydrator is a planetary filter press roller belt deep dehydrator. In other embodiments, the sludge deep dehydrator can be in other types, and can be selected according to actual needs. As the booster-type belt-type deep dehydrator, the sludge high-pressure belt-type deep dehydrator and the planetary filter-press roller belt-type deep dehydrator are the prior art, the structures of the deep dehydrator are not described in detail.

Preferably, in order to save the floor space of the integrated sludge deep dehydration system, the primary dehydrator 100 and the sludge conditioning and mixing device 300 and the deep dehydration device 400 are arranged at an angle.

In the present embodiment, the angles between the primary dehydrator 100 and the sludge conditioning and mixing device 300 and between the sludge conditioning and mixing device 300 and the deep dehydration device 400 are both 90 °. In other embodiments, the angles between the primary dehydrator 100 and the sludge conditioning and mixing device 300 and between the sludge conditioning and mixing device 300 and the deep dehydration device 400 may be different, and the angles between the primary dehydrator 100 and the sludge conditioning and mixing device 300 and between the sludge conditioning and mixing device 300 and the deep dehydration device 400 may be the same or different, and may be set according to actual needs.

For the sake of understanding, the operation of the integrated sludge deep-dewatering system will be briefly described as follows:

firstly, sludge with the water content of 89.9% -99.9% is conveyed to the primary dehydrator 100 through the sludge pump, and the controller controls the dosing amount of the dosing pump according to the sludge feeding amount data information fed back by the sludge flow transducer, so that most of free water of the sludge is removed by the primary dehydrator 100.

Then, the primary dehydrator 100 conveys the sludge after the pre-dehydration treatment to the second feed port 3111, the driving device drives the stirring shaft to rotate, thereby driving the sludge to move in the second accommodating cavity, the sludge feeding amount of the sludge is fed back to the controller through the weighing sensor, the controller automatically controls the dosage of the liquid conditioning agent and the dosage of the powder conditioning agent, and simultaneously adjusts the rotating speed of the driving device, so that the sludge is sequentially contacted with the liquid conditioning agent and the powder conditioning agent, the stirring blade is utilized to stir and shear the sludge, the conditioning agent and the sludge are fully mixed under the action of the stirring blade, and the sludge moves towards the second discharge port 3114, and when the sludge reaches the second discharge port 3114, the sludge reaches the optimal conditioning state.

And finally, the sludge conditioning mixer 310 conveys the conditioned sludge to the sludge deep dehydration machine, the sludge deep dehydration machine uniformly lays the sludge at a sludge inlet of the sludge deep dehydration machine through a uniform distribution device, and then performs terminal pressure filtration on the sludge through a pressure filtration structure of the sludge deep dehydration machine, the highest pressure applied to the sludge can reach 1.5MPa, and the optimal dehydration effect of the sludge can be realized.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. An integrated sludge deep dehydration system, comprising:

the primary dehydrator is used for performing pre-dehydration treatment on the sludge;

the primary dehydrator can be driven by the movable lifting platform to lift, fall and move along any direction;

the primary dehydrator can convey the sludge subjected to the pre-dehydration treatment to the sludge conditioning and mixing device, and the sludge conditioning and mixing device is used for modifying the sludge;

the deep dehydration device can convey the modified sludge to the deep dehydration device, and the deep dehydration device is used for removing redundant moisture of the sludge;

the primary dehydrator, the sludge conditioning and mixing device and the deep dehydration device are all in data connection with the controller.

2. The integrated sludge deep dewatering system of claim 1, wherein the primary dewatering machine comprises:

the sludge treatment device comprises a first shell, a second shell and a sludge treatment device, wherein a first containing cavity is formed in the first shell and used for containing sludge, a first feeding hole and a first discharging hole are formed in the first shell, and the first feeding hole and the first discharging hole are communicated with the first containing cavity;

the first dosing device is arranged at the first feeding port and used for putting conditioning agents into the first accommodating cavity, and the first dosing device is in data connection with the controller.

3. The integrated sludge deep dehydration system of claim 2 wherein said first dosing device comprises a sludge flow transmitter and a dosing pump, said sludge flow transmitter is used for monitoring the concentration of said sludge entering at said first inlet and the amount of said sludge entering at said first inlet, said dosing pump is capable of dispensing a pre-dehydration treatment chemical into said first inlet, said controller controls the dosing amount of said dosing pump according to data information fed back by said sludge flow transmitter.

4. The integrated sludge deep dewatering system of claim 2, wherein the primary dewatering machine further comprises a back washing device, the first housing is provided with a washing port, and the back washing device is connected with the washing port and used for cleaning the inner wall of the first accommodating cavity.

5. The integrated sludge deep dewatering system of claim 1, wherein the movable lift platform comprises:

the primary dehydrator is arranged on the workbench;

a plurality of telescopic supporting rods are arranged, and one ends of the plurality of telescopic supporting rods are connected with the workbench;

and the walking wheels are arranged at the other end of the telescopic supporting rod.

6. The integrated sludge deep dehydration system according to any one of claims 1 to 5 wherein the sludge conditioning and mixing device comprises a sludge conditioning and mixing machine and a first bracket, the sludge conditioning and mixing machine is disposed on the first bracket, the sludge conditioning and mixing machine comprises:

the second housing is internally provided with a second accommodating cavity, the sludge is accommodated in the second accommodating cavity, the second housing is provided with a second feeding hole, a first dosing hole, a second dosing hole and a second discharging hole, and the second feeding hole, the first dosing hole, the second dosing hole and the second discharging hole are all communicated with the second accommodating cavity;

a second dosing device capable of dosing conditioning agents from the first dosing port and the second dosing port into the second containing cavity;

the stirring device is arranged in the second accommodating cavity and used for uniformly mixing the conditioning medicament and the sludge;

the weighing sensor is arranged at the bottom of the second shell and is opposite to the second feeding hole;

the weighing sensor and the second dosing device are in data connection with the controller.

7. The integrated sludge deep dewatering system of claim 6, wherein at least two stirring devices are provided, and at least two stirring devices are arranged in parallel.

8. The integrated sludge deep-dewatering system according to claim 6, wherein the deep-dewatering device comprises a sludge deep-dewatering machine and a second support, and the sludge deep-dewatering machine is arranged on the second support.

9. The integrated sludge deep dewatering system of claim 8, wherein the deep dewatering machine is a sludge high-pressure belt deep dewatering machine, a pressure-increasing belt deep dewatering machine or a planetary filter-press roller belt deep dewatering machine.

10. The integrated sludge deep dehydration system of any one of claims 1 to 5 wherein the angle is set between the primary dehydrator and the sludge conditioning and mixing device and between the sludge conditioning and mixing device and the deep dehydration device.

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