CN111423089A - Sludge dewatering filter pressing device for experiments - Google Patents
Sludge dewatering filter pressing device for experiments Download PDFInfo
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- CN111423089A CN111423089A CN201910018248.3A CN201910018248A CN111423089A CN 111423089 A CN111423089 A CN 111423089A CN 201910018248 A CN201910018248 A CN 201910018248A CN 111423089 A CN111423089 A CN 111423089A
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- filter
- storage cavity
- pressing device
- sludge dewatering
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention provides a sludge dewatering and filter pressing device for experiments, which comprises: the filter cylinder is provided with a filter plate, and the filter cylinder is divided into a liquid storage cavity and a material storage cavity by the filter plate; one end of the extruding component is arranged in the material storage cavity, the outer diameter of one end of the extruding component is matched with the inner diameter of the material storage cavity, and the other end of the extruding component is arranged outside the filter cylinder; and the hydraulic driving assembly is connected with the other end of the extrusion assembly and can drive the extrusion assembly to compress materials in the material storage cavity. The embodiment of the invention adopts hydraulic drive to achieve good dehydration effect, the water content is low after treatment, and the volume reduction capacity of the filter cylinder is large. And the experimental equipment is small, the movement is convenient, the material consumption is small, the material adjusting range is large (10 g-500 g), and the experimental device is suitable for experiments with few experimental materials.
Description
Technical Field
The invention relates to a filter pressing device in the field of petrochemical engineering environments, in particular to a sludge dewatering filter pressing device for experiments.
Background
When a laboratory is used for sludge dewatering process research, most of the sludge dewatering process is performed by using a filter flask or a centrifugal machine, but the air pressure of the filter flask is small, the pumping force is insufficient, the stability is poor, the dewatering effect is poor, and particularly for oily sludge which is difficult to dewater. And the centrifugal machine for experiments can not carry out solid-liquid separation in time, so that the dehydration effect is not uniform, and the dehydration capability is limited. The filter pressing equipment is intermittent type formula pressure filter equipment, and it is effectual to have the separation, convenient to use's advantage, but the current experiment is generally bulky with board frame filter pressing equipment, and disposable processing capacity is big, because the experimental material is less, and the experiment is done with this kind of equipment in the laboratory, and material consumption is big, the energy is extravagant high. For the filtration equipment of the filtration instrument with smaller volume, the mobility of the equipment is poor and the energy consumption is higher because an air source is needed to provide pressure.
In summary, the disadvantages of the prior art are: the existing experimental device is difficult to dehydrate, incomplete in dehydration, small in pressure adjusting range and small in treatment capacity adjusting range.
Disclosure of Invention
The invention provides a sludge dewatering and filter pressing device for experiments, which aims to achieve the purposes of small volume, adjustable pressure, less treated materials, large adjustment amount and good dewatering effect.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a sludge dewatering filter pressing device for experiments, includes: the filter cylinder is provided with a filter plate, and the filter cylinder is divided into a liquid storage cavity and a material storage cavity by the filter plate; one end of the extruding component is arranged in the material storage cavity, the outer diameter of one end of the extruding component is matched with the inner diameter of the material storage cavity, and the other end of the extruding component is arranged outside the filter cylinder; and the hydraulic driving assembly is connected with the other end of the extrusion assembly and can drive the extrusion assembly to compress materials in the material storage cavity.
Further, the liquid storage cavity is of a conical structure, and the large-diameter end of the liquid storage cavity is connected with the material storage cavity.
Further, a small-diameter end of the liquid storage cavity is provided with a liquid discharge valve.
Furthermore, the extrusion subassembly includes connecting rod and stripper plate, and the stripper plate is arranged in the storage chamber and the external diameter of stripper plate and the internal diameter looks adaptation in storage chamber, and the one end and the stripper plate of connecting rod are connected, and the other end of connecting rod is arranged in the cartridge filter outside and is connected with hydraulic drive subassembly.
Furthermore, the other end of the communication rod is provided with a disc-shaped clamping groove matched with the hydraulic driving assembly.
Furthermore, the hydraulic driving assembly comprises a hydraulic oil cylinder and a manual pump, an expansion rod of the hydraulic oil cylinder is connected with the extrusion assembly, and the manual pump is connected with the hydraulic oil cylinder.
Further, a pressure gauge is arranged on the manual pump.
Further, experimental sludge dewatering filter pressing device still includes the support, and the cartridge filter setting is on the support.
Further, the lower extreme of support is provided with fixed chassis, and the cartridge filter is installed on fixed chassis.
The invention has the beneficial effects that:
1. The dehydration effect is good, the water content is low after treatment, and the volume reduction is large;
2. The experimental equipment is small, the movement is convenient, the using amount is small, the adjusting amount is large (10-500 g), and the experimental device is suitable for experiments with few experimental materials;
3. The equipment is fixed by adopting the inner hexagon screws, so that the disassembly is convenient and the operation is simple;
4. The equipment adopts a manual pump and a hydraulic oil cylinder for pressurization, has wide operating pressure range which can reach more than 10Mpa, does not need an air source, and saves energy consumption and resources.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
Fig. 2 is a schematic view showing the structure of the hand pump.
Reference numbers in the figures: 1. a support; 2. a hydraulic cylinder; 3. a communication rod; 4. a pressing plate; 5. a filter cartridge; 6. a socket head cap screw; 7. filtering the plate; 8. a liquid storage cavity; 9. a drain valve; 10. fixing the chassis; 11. a pressure gauge; 12. a manual pump; 13. a material storage cavity.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 and 2, an embodiment of the present invention provides an experimental sludge dewatering and filter-pressing device, including: a filter cartridge 5, a squeezing assembly and a hydraulic drive assembly. The filter cartridge 5 is provided with a filter plate 7, and the filter plate 7 divides the filter cartridge 5 into a liquid storage cavity 8 and a material storage cavity 13. The one end of extrusion subassembly is arranged in storage cavity 13, and the one end external diameter of extrusion subassembly and with the internal diameter looks adaptation of storage cavity 13, the other end of extrusion subassembly is arranged in cartridge filter 5 outside. The hydraulic drive assembly is connected with the other end of the extrusion assembly and can drive the extrusion assembly to compress the material in the material storage chamber 13.
The embodiment of the invention adopts hydraulic drive to achieve good dehydration effect, the water content is low after treatment, and the volume reduction capacity of the filter cartridge 5 is large. And the experimental equipment is small, the movement is convenient, the material consumption is small, the material adjusting range is large (10 g-500 g), and the experimental device is suitable for experiments with few experimental materials.
Cartridge filter 5 is split type, adopts hexagon socket head cap screw 6 fixed, can realize adding the material in to storage cavity 13 through dismantling hexagon socket head cap screw 6.
It should be noted that a plurality of liquid holes are formed in the filter plate 7, and a filter cloth is arranged on one side of the filter plate 7 adjacent to the material storage chamber 13.
The liquid storage cavity 8 is in a cone-shaped structure, and the large-diameter end of the liquid storage cavity 8 is connected with the material storage cavity 13. The small diameter end of the liquid storage cavity 8 is provided with a liquid discharge valve 9. The liquid storage cavity 8 is arranged to be in a cone-shaped structure, so that liquid can be collected to the cone tip under the action of gravity, and the liquid can be conveniently collected. And simultaneously, the liquid can be discharged by controlling the opening and closing of the liquid discharge valve 9.
The extrusion subassembly includes communicating rod 3 and stripper plate 4, and stripper plate 4 arranges storage chamber 13 in and the external diameter of stripper plate 4 and the internal diameter looks adaptation of storage chamber 13 in, and the one end and the stripper plate 4 of communicating rod 3 are connected, and the other end of communicating rod 3 arranges cartridge filter 5 outside in and is connected with the hydraulic drive subassembly.
Specifically, the other end of the communication rod 3 is provided with a disc-shaped clamping groove matched with the hydraulic driving component. Set up discoid draw-in groove and can increase the stability of being connected of connecting rod 3 and hydraulic drive subassembly, avoid connecting rod 3 and hydraulic drive subassembly to slide open at extrusion in-process downwards.
In the embodiment of the invention, the disc-shaped clamping groove and the communication rod body are welded into a whole, and the lower part of the communication rod body is connected with the extrusion plate 4 through a thread structure. The connecting rod body is not directly connected with the filter cartridge 5, and the hydraulic telescopic rod of the hydraulic driving assembly transmits pressure to the filter cartridge 5 through the connecting rod 3 and the extrusion plate 4 to realize filter pressing.
As shown in fig. 1 and 2, the hydraulic drive assembly comprises a hydraulic oil cylinder 2 and a manual pump 12, wherein a telescopic rod of the hydraulic oil cylinder 2 is connected with the extrusion assembly, and the manual pump 12 is connected with the hydraulic oil cylinder 2. The manual pump 12 is provided with a pressure gauge 11.
The manual pump 12 is connected with the hydraulic oil cylinder 2 through a high-pressure pipeline, and the hydraulic oil cylinder 2 is pressurized through the manual pump 12 in the working process, so that the hydraulic telescopic rod of the hydraulic oil cylinder 2 is driven to extend out, and the communicating rod 3 connected with the hydraulic oil cylinder is driven to move downwards along the vertical direction of the figure 1, so that the material is extruded by the extrusion plate 4 to be subjected to solid-liquid separation.
The experimental sludge dewatering and filter-pressing device further comprises a support 1, a fixed base plate 10 is arranged at the lower end of the support 1, a filter cartridge 5 is installed on the fixed base plate 10, and the support 1 and the filter cartridge 5 are both made of stainless steel materials.
When the embodiment of the invention is used for carrying out a sludge filter-pressing experiment, the inner hexagon screw 6 is unscrewed, the upper part of the filter cylinder 5 is detached through the clamping groove of the connecting rod 3, and the sludge wrapped by the filter cloth is placed on the filter plate 7 at the lower part of the filter cylinder 5. After the charging is finished, the upper part and the lower part of the filter cylinder 5 are fixed through the hexagon socket head cap screws 6. Opening the flowing back valve 9, connecting hydraulic cylinder 2 and 12 pipelines of manual pump, pressurize through manual pump 12, manometer 11 instructs service pressure, and hydraulic cylinder 2's telescopic link and the contact of intercommunication pole 3 drive the stripper plate 4 and carry out solid-liquid separation, and wherein the solid phase is fixed on filter plate 7 by the filter cloth parcel, and the liquid phase oozes by the filter cloth and gets into liquid storage cavity 8 through filter plate 7 to collect through flowing back valve 9. After the filter pressing is completed, the pressure of the manual pump 12 is released, the filter cartridge 5 is opened, and the filter cake is taken out and the equipment is cleaned.
The specific application embodiment of the invention is as follows:
Specific application example 1: after pretreatment, the initial water content of oily sludge generated by the treatment of oily sewage in a certain oil extraction plant combined station in the Xinjiang oil field is 75.5%, and after treatment by the filter press (4MPa for 30min), the water content is reduced to 51.1%, and the volume reduction rate is 62.3%.
Specific application example 2: the water content of the high-water-content oil-containing sludge of one oil production plant in Xinjiang oil field is 79.6% after the pretreatment and the centrifugal treatment, the water content is reduced to 58.6% after the treatment of the filter press (4MPa for 30min), and the volume reduction rate is 64.0%.
Specific application example 3: after pretreatment, the high-water-content oil-containing sludge of a certain oil production plant in Xinjiang oil field is centrifuged to reach the water content of 79.6 percent, and after the treatment by the filter press (10MPa for 30min), the water content is reduced to 51.8 percent, and the volume reduction rate is 65.3 percent.
The filter pressing experiments of the oily sludge from three sources show that the equipment can realize that the water content is less than 60% after treatment, and the volume reduction rate is more than 60%. Good dewatering effect and large volume reduction.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
1. The dehydration effect is good, the water content is low after treatment, and the volume reduction is large;
2. The experimental equipment is small, more portable, convenient to move, small in using amount and large in adjusting amount (10-500 g), and is suitable for experiments with few materials;
3. The equipment is fixed by adopting the inner hexagon screws, so that the disassembly is convenient and the operation is simple;
4. The equipment adopts a manual pump and a hydraulic oil cylinder for pressurization, has wide operating pressure range which can reach more than 10Mpa, does not need an air source, and saves energy consumption and resources.
The above description is only exemplary of the invention and should not be taken as limiting the scope of the invention, so that the invention is intended to cover all modifications and equivalents of the embodiments described herein. In addition, the technical features, the technical schemes and the technical schemes can be freely combined and used.
Claims (9)
1. The utility model provides a sludge dewatering filter pressing device for experiments which characterized in that includes:
The filter cartridge (5) is provided with a filter plate (7), and the filter plate (7) divides the filter cartridge (5) into a liquid storage cavity (8) and a material storage cavity (13);
One end of the extrusion assembly is arranged in the material storage cavity (13), the outer diameter of one end of the extrusion assembly is matched with the inner diameter of the material storage cavity (13), and the other end of the extrusion assembly is arranged outside the filter cylinder (5);
And the hydraulic driving assembly is connected with the other end of the extrusion assembly and can drive the extrusion assembly to compress the materials in the material storage cavity (13).
2. The experimental sludge dewatering and filter-pressing device according to claim 1, wherein the liquid storage chamber (8) is in a cone-shaped structure, and the large-diameter end of the liquid storage chamber (8) is connected with the material storage chamber (13).
3. The experimental sludge dewatering and filter-pressing device according to claim 2, wherein the small diameter end of the liquid storage cavity (8) is provided with a liquid discharge valve (9).
4. The experimental sludge dewatering and filter-pressing device according to claim 1, wherein the extrusion assembly comprises a communication rod (3) and an extrusion plate (4), the extrusion plate (4) is arranged in the storage cavity (13), the outer diameter of the extrusion plate (4) is matched with the inner diameter of the storage cavity (13), one end of the communication rod (3) is connected with the extrusion plate (4), and the other end of the communication rod (3) is arranged outside the filter cartridge (5) and is connected with the hydraulic driving assembly.
5. The experimental sludge dewatering and filter-pressing device according to claim 4, wherein the other end of the connecting rod (3) is provided with a disc-shaped clamping groove matched with the hydraulic driving component.
6. The experimental sludge dewatering and filter-pressing device according to claim 1, wherein the hydraulic driving assembly comprises a hydraulic oil cylinder (2) and a manual pump (12), an expansion rod of the hydraulic oil cylinder (2) is connected with the extrusion assembly, and the manual pump (12) is connected with the hydraulic oil cylinder (2).
7. The experimental sludge dewatering and filter-pressing device according to claim 6, wherein the manual pump (12) is provided with a pressure gauge (11).
8. The experimental sludge dewatering and filter-pressing device according to claim 1, further comprising a support (1), wherein the filter cartridge (5) is disposed on the support (1).
9. The experimental sludge dewatering and filter-pressing device according to claim 8, wherein the lower end of the bracket (1) is provided with a fixed chassis (10), and the filter cartridge (5) is installed on the fixed chassis (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910018248.3A CN111423089A (en) | 2019-01-09 | 2019-01-09 | Sludge dewatering filter pressing device for experiments |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910018248.3A CN111423089A (en) | 2019-01-09 | 2019-01-09 | Sludge dewatering filter pressing device for experiments |
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| CN111423089A true CN111423089A (en) | 2020-07-17 |
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| CN201910018248.3A Pending CN111423089A (en) | 2019-01-09 | 2019-01-09 | Sludge dewatering filter pressing device for experiments |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485190A (en) * | 2020-11-24 | 2021-03-12 | 江苏富淼科技股份有限公司 | Filter-pressing testing arrangement |
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| CN103063538A (en) * | 2012-12-20 | 2013-04-24 | 华南理工大学 | Measurement device and measurement method for sludge specific resistance |
| CN103332848A (en) * | 2013-07-12 | 2013-10-02 | 无锡国联环保能源集团有限公司 | Sludge extrusion dewatering testing machine and using method thereof |
| CN105776805A (en) * | 2016-04-21 | 2016-07-20 | 上海大学 | Small-scale test device for pressure filtration and dehydration of sludge |
| CN206330859U (en) * | 2017-01-11 | 2017-07-14 | 河南工程学院 | Filter-press type sludge specific resistance test device |
| CN207779980U (en) * | 2017-11-20 | 2018-08-28 | 中石化石油工程技术服务有限公司 | It is a kind of measure drilling fluid filtration fluid pressure type room temperature in press filtration commit a breach of etiquette |
| CN108479142A (en) * | 2018-06-21 | 2018-09-04 | 河南林泉环保科技有限公司 | A kind of sludge dehydration device |
| CN109173365A (en) * | 2018-10-30 | 2019-01-11 | 江苏中圣压力容器装备制造有限公司 | A kind of packaged type sewage sludge biomass dehydrator |
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2019
- 2019-01-09 CN CN201910018248.3A patent/CN111423089A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063538A (en) * | 2012-12-20 | 2013-04-24 | 华南理工大学 | Measurement device and measurement method for sludge specific resistance |
| CN103332848A (en) * | 2013-07-12 | 2013-10-02 | 无锡国联环保能源集团有限公司 | Sludge extrusion dewatering testing machine and using method thereof |
| CN105776805A (en) * | 2016-04-21 | 2016-07-20 | 上海大学 | Small-scale test device for pressure filtration and dehydration of sludge |
| CN206330859U (en) * | 2017-01-11 | 2017-07-14 | 河南工程学院 | Filter-press type sludge specific resistance test device |
| CN207779980U (en) * | 2017-11-20 | 2018-08-28 | 中石化石油工程技术服务有限公司 | It is a kind of measure drilling fluid filtration fluid pressure type room temperature in press filtration commit a breach of etiquette |
| CN108479142A (en) * | 2018-06-21 | 2018-09-04 | 河南林泉环保科技有限公司 | A kind of sludge dehydration device |
| CN109173365A (en) * | 2018-10-30 | 2019-01-11 | 江苏中圣压力容器装备制造有限公司 | A kind of packaged type sewage sludge biomass dehydrator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485190A (en) * | 2020-11-24 | 2021-03-12 | 江苏富淼科技股份有限公司 | Filter-pressing testing arrangement |
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Application publication date: 20200717 |
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