SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a waste slurry treatment facility, aims at solving the technical problem of the mud recycle difficulty among the prior art.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: a waste slurry treatment device comprises a flocculation solidification device, a filter pressing device and a building block forming device, wherein the flocculation solidification device is used for carrying out flocculation and solidification treatment on pretreated waste slurry; the feed inlet of the filter pressing device is communicated with the sediment bottom mud discharge outlet of the flocculation and solidification device so as to be used for carrying out filter pressing treatment on the sediment bottom mud after flocculation and solidification treatment by the flocculation and solidification device; and the building block forming device is positioned at the discharge part of the filter pressing device and is used for receiving the mud cakes discharged by the filter pressing device and performing extrusion forming on the mud cakes to obtain the baking-free brick building block.
Optionally, the flocculation solidification device includes a flocculation tank and a water pump, a first feeding port for the waste slurry to be poured into and a second feeding port for the flocculation solidification agent to be put into are opened on a side surface of the flocculation tank, the sediment sludge discharge port is disposed at a bottom of the flocculation tank, and a water inlet of the water pump extends into the flocculation tank and is used for discharging supernatant in the flocculation tank.
Optionally, the flocculation tank is provided with an agitation mechanism for agitating the waste slurry and the flocculation and solidification integrated agent to be mixed.
Optionally, the stirring mechanism includes a stirring motor and a stirring head disposed in the flocculation tank, the stirring motor is mounted on the flocculation tank, and an output shaft of the stirring motor is connected to the stirring head and is used for driving the stirring head to rotate.
Optionally, the filter-pressing device includes pressure filter and confession stuff pump, the feed inlet of pressure filter with the discharge gate intercommunication of confession stuff pump, the feed inlet of confession stuff pump with sediment end mud discharge gate intercommunication.
Optionally, the filter press is a plate and frame filter press of air pressure ejection mud cake type.
Optionally, the block forming device comprises a crushing mechanism and a baking-free brick block forming machine, the crushing mechanism comprises a mud storage bin and a mud cake crusher, the mud storage bin is located under a discharge port of the filter pressing device, the mud cake crusher is installed under the discharge port of the mud storage bin, and a feed port of the baking-free brick block forming machine is arranged below the mud cake crusher.
Optionally, the waste slurry treatment equipment further comprises a conveying mechanism, and the conveying mechanism is arranged at a discharge port of the block forming device and is used for conveying the baking-free brick blocks to the outside of the waste slurry treatment equipment.
Optionally, the waste slurry treatment equipment further comprises a container, the flocculation curing device, the filter pressing device and the building block forming device are all installed in the container, and soundproof cotton covers the inner wall of the container.
Optionally, the waste slurry treatment equipment further comprises a control device, and the flocculation curing device, the filter pressing device and the building block forming device are electrically connected with the control device.
One or more technical solutions in the waste slurry treatment equipment provided by the application have at least one of the following technical effects: when the brick is used, the pretreated slurry is conveyed into a flocculation solidification device, the slurry enters the flocculation solidification device, then the precipitated bottom mud of the flocculation solidification device is conveyed into a filter pressing device, the precipitated bottom mud is subjected to filter pressing in the filter pressing device for a period of time to form mud cakes, and then the mud cakes are conveyed into a block forming device to be extruded and formed to obtain the baking-free brick blocks; the waste slurry treatment equipment can directly make the pretreated slurry into the baking-free brick building blocks, and the baking-free brick building blocks can be directly used for building materials after short-time stacking and curing, so that the recycling of the waste slurry is completed.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 fig. 1 are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be considered as limiting.
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 application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; 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 application can be understood by those of ordinary skill in the art as appropriate.
As shown in fig. 1, in one embodiment of the present application, there is provided a waste sludge treatment apparatus including a flocculation and solidification device 10, a filter press device 20, and a block forming device 40, the flocculation and solidification device 10 for performing flocculation and solidification treatment on pretreated waste sludge; the pretreated waste mud mainly refers to mud subjected to hydrocyclone treatment and vibrating screen screening treatment; further, a feed inlet of the filter pressing device 20 is communicated with a sediment bottom sludge discharge outlet of the flocculation and solidification device 10, so as to be used for carrying out filter pressing treatment on the sediment bottom sludge after flocculation and solidification treatment in the flocculation and solidification device 10; the building block forming device 40 is positioned at the discharge position of the filter pressing device 20 and is used for receiving the mud cakes discharged by the filter pressing device 20 and performing extrusion forming on the mud cakes to obtain the baking-free brick building block 60.
Specifically, when the waste slurry treatment equipment provided by the embodiment of the application is used, pretreated slurry is conveyed into the flocculation curing device 10, the slurry enters the flocculation curing device 10 to be flocculated and cured, then the sediment bottom mud of the flocculation curing device 10 is conveyed into the pressure filter device 20, the sediment bottom mud is subjected to pressure filtration in the pressure filter device 20 for a period of time to form a mud cake, the mud cake is conveyed into the block forming device 40 to be extruded and formed to obtain the baking-free brick blocks 60, and after the baking-free brick blocks 60 are stacked and cured for a short time, the strength of the baking-free brick blocks 60 can be rapidly improved to the preset strength, so that direct resource utilization can be performed; the waste slurry treatment equipment can directly make the pretreated slurry into the baking-free brick building block 60, and the baking-free brick building block 60 can be directly used for building materials after short-time stacking and curing, so that the recycling of the waste slurry is completed.
In the embodiment, after the sediment is subjected to the drainage treatment of the filter pressing device 20, the water content in the mud cake is effectively reduced, so that the problems of difficult drying, energy consumption and land occupation and difficult actual operation caused by high water content of the residue soil in the prior art are solved; in addition, after extrusion forming, the strength of the baking-free brick building block 60 meets the transportation requirement, and the baking-free brick building block can be transferred to a curing site to be cured to a preset strength.
In this embodiment, this waste mud treatment facility carries out abundant utilization to waste mud, and green has avoided abandoning the production of sediment cost, can also produce certain economic benefits.
In another embodiment of the present application, referring to fig. 1, a flocculation and solidification device 10 of the waste slurry treatment apparatus is provided, which includes a flocculation tank 11 and a water pump 12, a first material inlet 111 for the waste slurry to be poured into and a second material inlet 112 for the flocculation and solidification agent to be put into are provided on a side surface of the flocculation tank 11, a sediment discharge port (not shown) is provided at a bottom of the flocculation tank 11, and a water inlet of the water pump 12 extends into the flocculation tank 11 and is used for discharging supernatant in the flocculation tank 11. When the device is used specifically, pretreated slurry enters the flocculation tank 11 from the first feeding port 111 through the conveying pipeline, after the slurry enters the flocculation tank 11, a certain amount of flocculation and solidification integrated agent is added from the second feeding port 112 according to the preset slurry proportion, then the flocculation and solidification integrated agent and the slurry are mixed in the flocculation tank 11 and fully react, the device stands for a period of time to obtain supernatant and residual high-concentration sediment bottom mud, and finally the sediment bottom mud is discharged from a sediment bottom mud discharge port at the bottom of the flocculation tank 11, in the process, the water pump 12 pumps the supernatant out of the flocculation tank 11, so that the water content of the sediment bottom mud is reduced, meanwhile, the sediment bottom mud is hard slurry, the subsequent strength can be increased, and resource application can be carried out in other engineering requirements.
In this embodiment, the water pump 12 is provided with a water inlet pipe, and the water inlet pipe extends into the flocculation tank 11.
In another embodiment of the present application, referring to fig. 1, there is provided a flocculation tank 11 of the waste sludge treatment apparatus provided with an agitation mechanism 13 for agitating a mixture of the waste sludge and the flocculation solidification integrated agent. Under the stirring of rabbling mechanism 13, mud and the integrative agent of flocculation solid mix more evenly, and the flocculation and the solidification effect of sediment bed mud are better for follow-up preparation non-burning brick building block 60 has better performance, and in addition, through the stirring of rabbling mechanism 13, through the removal of sediment bed mud, sediment bed mud is good from the smooth and easy nature of sediment bed mud discharge gate exhaust.
In another embodiment of the present application, referring to fig. 1, a stirring mechanism 13 of the waste slurry treatment apparatus is provided, which includes a stirring motor 131 and a stirring head 132 disposed in the flocculation tank 11, wherein the stirring motor 131 is mounted on the flocculation tank 11, and an output shaft of the stirring motor 131 is connected to the stirring head 132 and is used for driving the stirring head 132 to rotate. When the stirring mechanism is used, the stirring head 132 extends into slurry, the output shaft of the stirring motor 131 drives the stirring head 132 to rotate, and the slurry in the flocculation tank 11 and the flocculation solid integrated agent are driven to be uniformly mixed through the rotation of the stirring head 132; in a specific application, the stirring head 132 may be provided with a stirring blade or a stirring impeller, so that the stirring amplitude is large, and the slurry and the flocculation and solidification integral agent are mixed more uniformly.
In another embodiment of the present application, referring to fig. 1, there is provided a filter press device 20 of the waste slurry treatment apparatus including a filter press 21 and a slurry supply pump 22, wherein a feed port of the filter press 21 is communicated with a discharge port of the slurry supply pump 22, and a feed port of the slurry supply pump 22 is communicated with a discharge port of the settled bottom slurry. During the use, deposit the bed mud through supplying in the stuff pump 22 suction pressure filter 21, deposit the bed mud and get into the pressure filter 21 after, the pressure filter 21 carries out the filter-pressing to depositing the bed mud and handles, gets rid of the moisture in the sediment bed mud, obtains the mud cake that the moisture content is less and sustainable the growth of intensity.
Further, the feed inlet of the filter press 21 is communicated with the discharge outlet of the slurry supply pump 22 through a pipeline, and the feed inlet of the slurry supply pump 22 is communicated with the discharge outlet of the sediment bottom mud through a pipeline.
Furthermore, the clear filter-pressing liquid outlet 521 of the filter press 21 is also communicated with the water inlet of the water pump 12, so that the water pump 12 can pump out the supernatant liquid in the flocculation tank 11 and can also pump out the clear filter-pressing liquid in the filter press 21, thereby realizing multiple purposes by one pump and having a more compact structure.
In another embodiment of the present application, the filter press 21 of the waste sludge treatment facility is provided as a gas pressure ejection filter press of the plate and frame filter press of the cake type. When the device is used, the sediment bottom mud enters the air pressure pop-up plate frame, after the filter pressing is carried out for a period of time, only the partition plate and the high-pressure air valve of the air pressure pop-up mud cake type plate frame filter press are needed to be opened, so that the mud cake obtained by the filter pressing can naturally fall into the subsequent building block forming device 40, the operation is simple, and the cost is low. Wherein, the filter-pressing time of mud cake formula plate and frame filter press is popped out to atmospheric pressure also can set for according to the predetermined moisture content of mud cake, for example: the filter pressing time can be 20 min.
In this embodiment, the water content of the mud cake is to reach a preset water content, specifically, the water content of the mud cake is within a certain value or a certain range of values, for example: the water content of the mud cake is lower than 30%, and the water content of the mud cake is considered to reach the preset water content; or the water content of the mud cake can reach 25%, 20% or 15%, that is, the water content of the mud cake can reach the preset water content, and the specific preset water content can be set according to the actual production needs, which is not limited herein.
In another embodiment of the present application, referring to fig. 1, a block forming device 40 of the waste slurry treatment equipment is provided, which comprises a crushing mechanism 30 and a baking-free brick block forming machine 41, wherein the crushing mechanism 30 comprises a mud storage bin 31 and a mud cake crusher 32, the mud storage bin 31 is located right below a discharge port of the filter pressing device 20, the mud cake crusher 32 is installed right below the discharge port of the mud storage bin 31, and a feed port of the baking-free brick block forming machine 41 is arranged below the mud cake crusher 32. When in use, mud cakes fall into the mud storage bin 31 and then enter the mud cake crusher 32 from the mud storage bin 31 to be crushed, so that mud materials can conveniently enter the baking-free brick building block forming machine 41, then the mud materials fall into the baking-free brick building block forming machine 41 to be extruded and formed, and finally the baking-free brick building blocks 60 with certain strength and shape are obtained; the arrangement of the mud storage bin 31 can prevent excessive mud cakes from falling into the mud cake crusher 32 at the same time to cause the mud cake crusher 32 to be blocked or damaged, and after the mud cakes are crushed into powdery or granular pug by the mud cake crusher, the situation that the baking-free brick block forming machine 41 is blocked due to the fact that the volume of the mud cakes is too large is avoided, so that the follow-up extrusion forming of the baking-free brick block forming machine 41 is facilitated, wherein the mud storage bin 31 can be a hopper.
In this embodiment, the baking-free brick block forming machine 41 may adopt the existing baking-free brick block forming machine 41, and the specific structure thereof is not described herein again; the four walls of the mould of the baking-free brick block forming machine 41 are made of permeable stones, so that the moisture discharge in the extrusion process can be met; in addition, the inner wall of the mould of the baking-free brick block forming machine 41 can also be a permeable membrane, so that the mould is convenient to replace at regular intervals; the baking-free brick block forming machine 41 is a modularized combination, and extrudes pug through a hydraulic servo device to form the baking-free brick blocks 60.
In another embodiment of the present application, referring to fig. 1, there is provided a waste slurry treatment apparatus of the waste slurry treatment apparatus further comprising a conveying mechanism 51, disposed at a discharge port of the block forming device 40, for conveying the baking-free brick blocks 60 to the outside of the waste slurry treatment apparatus. The conveying mechanism 51 conveys the manufactured baking-free brick building blocks 60 out of the waste slurry treatment equipment so as to facilitate the collection of the baking-free brick building blocks 60 by personnel; the conveying mechanism 51 may be a belt conveying mechanism.
In another embodiment of the present application, the waste sludge treatment apparatus is further provided comprising a container 52, the flocculation and solidification device 10 and the filter press device 20 block forming device 40 are installed in the container 52, and the inner wall of the container 52 is covered with soundproof cotton. Specifically, the flocculation curing device 10, the filter pressing device 20 and the building block forming device 40 are all installed in a container 52, and the high integrated design of this abandonment mud treatment facility realization, part loss is little like this, and the service life is long to, be provided with soundproof cotton on the inner wall of container 52, soundproof cotton plays the function of making an uproar that gives sound insulation, thereby reduces the noise pollution of this abandonment mud treatment facility effectively, realizes green noiseless production.
Furthermore, the first feeding port 111 and the second feeding port 112 extend out of the container 52, so that a person can add the waste slurry and the flocculation and solidification integrated agent into the flocculation tank 11 conveniently from the outside of the container 52, a clear liquid outlet 521 is formed in the container 52, and clear liquid pumped out by the water pump 12 is discharged out of the container 52 through the clear liquid outlet 521, so that the inside of the container 52 can be kept dry, the loss of parts in the container 52 can be reduced, and the service life can be prolonged; in addition, the conveying mechanism 51 is also arranged in the container 52, the container 52 is provided with a block discharge hole 522, and the conveying mechanism 51 directly conveys the baking-free brick blocks 60 to the block discharge hole 522, so that personnel can collect the baking-free brick blocks 60 without entering the container 52, and the operation is more convenient.
In another embodiment of the present application, referring to fig. 1, the waste sludge treatment apparatus of the waste sludge treatment apparatus further comprises a control device 53, and the flocculation solidification device 10, the filter press device 20 and the block forming device 40 are electrically connected to the control device 53. The control device 53 controls the orderly work of the flocculation curing device 10, the filter-pressing device 20 and the building block forming device 40, thereby realizing the automatic recovery treatment of the waste slurry and greatly increasing the production efficiency; in the concrete control process, after the slurry is poured into the flocculation tank 11, the control device 53 starts the stirring motor 131, the stirring head 132 performs stirring and mixing, after the flocculation and solidification of the slurry are completed, the control device 53 starts the water pump 12 to pump out the supernatant of the flocculation tank 11, the control device 53 sends an instruction to the slurry supply pump 22, the slurry supply pump 22 conveys the precipitated bottom sludge into the filter press 21, meanwhile, the control device 53 sends an instruction to start the filter press 21 and sets the filter pressing time of the filter press 21 according to the preset water content, after the filter press 21 runs to the preset filter pressing time, the control device 53 sends an instruction to the filter press 21, the filter press 21 discharges the filter-pressed sludge cake into the sludge storage bin 31, the control device 53 starts the sludge cake crusher 32, the baking-free brick building block forming machine 41 and the conveying mechanism 51 to crush the sludge into sludge, and then the sludge is extruded in the baking-free brick building block forming machine 41 to form the baking-free brick building block 60, finally, the baking-free brick building blocks 60 are conveyed out of the container 52 through the conveying mechanism 51, so that the automatic recovery treatment of the whole waste mud is completed.
Further, the control device 53 is installed on the outer wall surface of the container 52, so that the operation of the personnel operating the control device 53 to open and close the waste slurry treatment equipment is simple, and the equipment can be maintained in time when the equipment fails.
In this embodiment, the control device 53 may be formed by integrating an electronic control component, an information processing center, and a data processing center. The control device 53 may also be a PLC controller or a computer.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.