CN216497675U - Deep dehydration filter pressing system - Google Patents
Deep dehydration filter pressing system Download PDFInfo
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- CN216497675U CN216497675U CN202122903040.5U CN202122903040U CN216497675U CN 216497675 U CN216497675 U CN 216497675U CN 202122903040 U CN202122903040 U CN 202122903040U CN 216497675 U CN216497675 U CN 216497675U
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Abstract
The utility model discloses a deep dehydration filter pressing system which comprises a diaphragm filter plate, a hot oil tank, an oil temperature control system and a hot oil pump, wherein the oil temperature control system is arranged on the hot oil tank and is used for controlling the temperature of oil in the hot oil tank, an oil inlet of the hot oil pump is communicated with an oil outlet of the hot oil tank, and an oil outlet of the hot oil tank is communicated with a diaphragm closed cavity of the diaphragm filter plate. According to the utility model, the materials are heated while being squeezed by the high-temperature and high-pressure oil in the diaphragm sealed cavity, the boiling point of water in vacuum is reduced by the vacuumizing effect, and the water in the heated materials is further volatilized, so that the dehydration capacity of the equipment is effectively deepened.
Description
Technical Field
The utility model relates to a coal gasification fine slag and sludge dewatering system, in particular to a deep dewatering and filter pressing system.
Background
The filter press is a common solid-liquid separation device and is widely applied to the fields of medicine, food, chemical industry, metallurgy, environmental protection and the like. The filter plate is a main accessory of the filter press and plays a role in separating liquid phase and solid phase in the liquid-solid separation process. The filter plate mainly comprises a common filter plate and a diaphragm filter plate, and the common filter plate and the diaphragm filter plate can be used independently or combined after being arranged at intervals. The diaphragm filter plate mainly comprises a core plate, diaphragms fixedly arranged on the front side and the rear side of the core plate, a closed cavity formed between the core plate and the diaphragms, a feeding hole and a liquid outlet hole which are communicated from front to rear, a filter chamber formed on the outer side of the diaphragms, and filter cloth covering the filter chamber. The working principle of the diaphragm filter plate is as follows: the water-containing material enters the filter chamber through the feed hole, water in the material and particles smaller than the aperture of the filter cloth pass through the filter cloth and then are discharged through the liquid outlet hole, and the particles larger than the aperture of the filter cloth are intercepted in the filter chamber and are filled in the filter chamber; and introducing a pressing medium into the closed chamber, expanding the diaphragm, and further performing filter pressing on a filter cake in the filter chamber to reduce the water content of the filter cake. But for materials with high porosity, such as coal gasification fine slag, sludge and the like, deep dehydration of the materials is difficult to achieve only through extrusion.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a deep dehydration and filter pressing system which can deeply dehydrate materials with high porosity and improve the dehydration capability of equipment.
In order to achieve the purpose, the utility model adopts the technical scheme that: a deep dehydration filter-pressing system which characterized in that: the oil temperature control system is arranged on the hot oil tank and used for controlling the temperature of oil in the hot oil tank, an oil inlet of the hot oil pump is communicated with an oil outlet of the hot oil tank, and an oil outlet of the hot oil tank is communicated with a diaphragm closed cavity of the diaphragm filter plate;
the oil temperature control system comprises an oil temperature sensor, a temperature controller and a heat source for supplying heat to oil in the hot oil tank, the oil temperature sensor is arranged in the hot oil tank and used for detecting the temperature of the oil in the hot oil tank, the oil temperature sensor is electrically connected with the temperature controller, the oil temperature information detected by the oil temperature sensor is transmitted to the temperature controller, and the temperature controller is connected with the heat source and used for controlling the temperature of the oil in the hot oil tank by controlling the amount of heat supplied to the oil by the heat source.
The deep dehydration filter-pressing system is characterized in that: the heat source is the heating rod, the heating rod is installed in hot-oil tank and is used for providing the heat for the oil in the hot-oil tank, temperature controller with the heating rod is connected and temperature controller controls the heating rod and provides how much of heat for the oil in the hot-oil tank through the switch of control heating rod.
The deep dehydration and filter pressing system is characterized in that: the heating furnace is installed in the outer side of the hot oil tank and used for providing heat for oil in the hot oil tank, the temperature controller is connected with the heating furnace, and the temperature controller controls the heating furnace to provide heat for the oil in the hot oil tank by controlling the feeding amount of fuel of the heating furnace.
The deep dehydration and filter pressing system is characterized in that: the degree of depth dehydration filter-pressing system still includes air compressor and heat exchanger, air compressor's gas outlet is linked together through pipeline and heat exchanger's cold medium entry, heat exchanger's cold medium export is linked together through the air inlet of pipeline and diaphragm filter plate and is used for blowing compressed air into the filter cake behind the filter screen, heat exchanger's hot medium entry is linked together through the oil-out of pipeline and hot oil tank, be provided with the heat transfer oil pump on the pipeline between heat exchanger and the hot oil tank, heat exchanger's hot medium export is linked together through the oil return opening of pipeline and hot oil tank.
The deep dehydration and filter pressing system is characterized in that: a first pipeline valve is arranged on a pipeline between the air compressor and the heat exchanger, and a second pipeline valve is arranged on pipelines of the heat exchanger and the diaphragm filter plate.
The deep dehydration and filter pressing system is characterized in that: the deep dehydration filter-pressing system further comprises a vacuum pump, wherein a suction inlet end of the vacuum pump is connected with a third pipeline valve and communicated with one end of the third pipeline valve, and the other end of the third pipeline valve is communicated with a second pipeline valve and a diaphragm filter plate through pipelines respectively.
The deep dehydration and filter pressing system is characterized in that: the deep dehydration filter-pressing system further comprises a stirring barrel and a diaphragm pump, wherein a discharge port of the stirring barrel is communicated with a feed port of the diaphragm pump, and a discharge port of the diaphragm pump is connected with a filter frame outside a diaphragm filter plate through a feed pipeline.
The deep dehydration and filter pressing system is characterized in that: the deep dehydration and filter pressing system further comprises a drain valve, one end of the drain valve is communicated with the diaphragm filter plate, the second pipeline valve and the third pipeline valve through pipelines respectively, and the other end of the drain valve is connected with the drain tank through a pipeline and used for discharging filter-pressed water into the drain tank through the drain valve.
The deep dehydration and filter pressing system is characterized in that: the oil added into the hot oil tank is heat conducting oil, and the temperature of the heat conducting oil is controlled to be 100-200 ℃ by an oil temperature control system.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the high-temperature and high-pressure oil in the diaphragm sealed cavity is used for squeezing the materials and heating the materials at the same time, so that the temperature of the materials is raised, preparation is made for further dehydration, and the deep dehydration capability of the equipment is effectively improved.
2. The utility model blows hot air into the materials to be dehydrated, can sweep and remove the moisture in the pores of the materials, and the hot air heats the materials from the inside while further dehydrating.
3. The vacuum pump is utilized to enable the filtering chamber to form a vacuum environment, so that moisture in the heated material is further evaporated, and the purpose of deep dehydration is achieved.
4. The raw materials of the utility model are solid wastes for landfill, can realize the comprehensive utilization of the solid wastes and has good environmental benefit and social benefit.
The utility model is described in further detail below with reference to the figures and examples.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of fig. 1 at a.
Description of reference numerals:
10-diaphragm filter plate; 11-diaphragm closed chamber; 20-hot oil tank;
30-oil temperature control system; 31-a heat source; 32-oil temperature sensor;
33-temperature controller; 40-a hot oil pump; 50-an air compressor;
51 — a first line valve; 60-a heat exchanger; 61-second line valve;
71-third line valve; 81-stirring barrel; 82, a diaphragm pump;
81-stirring barrel.
Detailed Description
Embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided for a more thorough and complete understanding of the present invention. It should be understood that the drawings and the embodiments of the present invention are illustrative only and are not intended to limit the scope of the present invention.
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.
It should be noted that the terms "first", "second", and the like in the present invention are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence relationship of the functions performed by the devices, modules or units.
The utility model provides a deep dehydration filter pressing system, aiming at solving the problem that a filter press in the prior art can not dehydrate materials with high porosity.
As shown in fig. 1 and 2, the deep dehydration and filter pressing system comprises a diaphragm filter plate 10, a hot oil tank 20, an oil temperature control system 30 and a hot oil pump 40, wherein the oil temperature control system 30 is arranged on the hot oil tank 20 and is used for controlling the temperature of oil in the hot oil tank 20, an oil inlet of the hot oil pump 40 is communicated with an oil outlet of the hot oil tank 20, and an oil outlet of the hot oil tank 20 is communicated with a diaphragm closed chamber 11 of the diaphragm filter plate 10;
the oil temperature control system 30 comprises an oil temperature sensor 32, a temperature controller 33 and a heat source 31 for supplying heat to the oil in the hot oil tank 20, wherein the oil temperature sensor 32 is arranged in the hot oil tank 20 and used for detecting the temperature of the oil in the hot oil tank 20, the oil temperature sensor 32 is electrically connected with the temperature controller 33 and used for controlling the temperature of the oil in the hot oil tank 20 by controlling the amount of heat supplied to the oil by the heat source 31 as the oil temperature information detected by the oil temperature sensor 32 is transmitted to the temperature controller 33, and the temperature controller 33 is connected with the heat source 31 and used for controlling the temperature of the oil in the hot oil tank 20.
In the embodiment, after the dehydrated material is primarily dehydrated under the feeding pressure of the diaphragm pump, the high-temperature hot oil controlled by the oil temperature control system 30 in the hot oil tank 20 is fed into the diaphragm closed cavity 11 of the diaphragm filter plate 10 through the hot oil pump 40, the temperature of the oil is generally controlled to be 100-200 ℃, the squeezing pressure is generally 1-2.5 MPa, the diaphragm swells along with the increase of the oil pressure of the diaphragm closed cavity 11, the material in the filter chamber is further squeezed and dehydrated, and meanwhile, the material in the filter chamber is heated by the high-temperature heat conduction oil. And preparing for further deepening the dehydration.
As shown in fig. 1, the heat source 31 is a heating rod which is installed in the hot oil tank 20 and is used for providing heat for the oil in the hot oil tank 20, the temperature controller 33 is connected with the heating rod, and the temperature controller 33 controls the heating rod to provide heat for the oil in the hot oil tank 20 by controlling the switch of the heating rod.
In this embodiment, the heat source 31 is electrically heated by a heating rod, so that the heating is fast and the temperature control is stable.
In this embodiment, the heat source 31 is a heating furnace, the heating furnace is installed outside the hot oil tank 20 and is used for providing heat for the oil in the hot oil tank 20, the temperature controller 33 is connected to the heating furnace, and the temperature controller 33 controls the amount of heat provided by the heating furnace for the oil in the hot oil tank 20 by controlling the feeding amount of the fuel of the heating furnace.
In the embodiment, the heat source 31 adopts the heating furnace, the fuel of the heating furnace can adopt the coal cinder after filter pressing, the existing resources are fully utilized, and compared with electric heating, the device power is reduced, and the cost is saved.
As shown in fig. 1, the deep dehydration filter pressing system further includes an air compressor 50 and a heat exchanger 60, an air outlet of the air compressor 50 is communicated with a cold medium inlet of the heat exchanger 60 through a pipeline, a cold medium outlet of the heat exchanger 60 is communicated with an air inlet of the membrane filter plate 10 through a pipeline and is used for blowing compressed air into a filter cake after passing through a filter screen, a hot medium inlet of the heat exchanger 60 is communicated with an oil outlet of the hot oil tank 20 through a pipeline, a heat exchange oil pump 21 is arranged on a pipeline between the heat exchanger 60 and the hot oil tank 20, and a hot medium outlet of the heat exchanger 60 is communicated with an oil return port of the hot oil tank 20 through a pipeline.
In this embodiment, after the membrane is expanded, the air compressor 50 sends compressed air into the heat exchanger 60 through a pipeline to exchange heat with a heat medium in the heat exchanger 60 after the material in the filtering chamber is further squeezed and dehydrated, the compressed air is heated into hot air, the hot air enters the filtering chamber through a pipeline to blow the material in the filtering chamber, the moisture in the pores of the material is further removed by blowing, and the hot air heats the material from the inside while the material is further dehydrated.
As shown in fig. 1, a first pipeline valve 51 is provided on a pipeline between the air compressor 50 and the heat exchanger 60, and a second pipeline valve 61 is provided on a pipeline between the heat exchanger 60 and the membrane filter plate 10.
As shown in fig. 1, the deep dehydration and filter pressing system further comprises a vacuum pump 70, wherein a suction port of the vacuum pump 70 is connected with a third pipeline valve 71 and is communicated with one end of the third pipeline valve 71, and the other end of the third pipeline valve 71 is respectively communicated with the second pipeline valve 61 and the membrane filter plate 10 through pipelines.
In this embodiment, after the hot air material is blown and heated, the second pipeline valve 61 and the drain valve 15 are controlled to be closed, the third pipeline valve 71 is opened, the vacuum pump 70 is opened, the vacuum pumping pipeline forms a vacuum environment in the filtering chamber, the boiling point of water in the vacuum environment is reduced, and then the moisture in the heated material is further evaporated to achieve the purpose of deep dehydration.
As shown in fig. 1, the deep dehydration and filter pressing system further comprises a mixing tank 81 and a diaphragm pump 82, wherein a discharge port of the mixing tank 81 is communicated with a feed port of the diaphragm pump 82, and a discharge port of the diaphragm pump 82 is connected with a filter frame outside the diaphragm filter plate 10 through a feed pipeline 83.
As shown in fig. 1, the deep dehydration filter pressing system further includes a drain valve 72, one end of the drain valve 72 is respectively communicated with the membrane filter plate 10, the second pipeline valve 61 and the third pipeline valve 71 through pipelines, and the other end of the drain valve 72 is connected with a drain tank through a pipeline and is used for draining filter pressing water into the drain tank through the drain valve 72.
In this embodiment, the oil added to the hot oil tank 20 is heat transfer oil, and the maximum pressing pressure of the heat transfer oil can reach 10 MPa. The temperature of the heat transfer oil is controlled to be 100-200 ℃ by the oil temperature control system 30. In this embodiment, the diaphragm filter plate may be made of stainless steel.
The working principle of the utility model is as follows: feeding the coal gasification fine slag or sludge into a stirring barrel, adding water, stirring and mixing slurry, pumping the slurry into a cavity formed by adjacent diaphragm filter plates through a diaphragm pump by a feeding pipeline, and providing power for the diaphragm pump by compressed air generated by an air compressor; the coal gasification fine slag or sludge is primarily dehydrated under the feeding pressure of the diaphragm pump. The electric heating barrel heats the heat conduction oil to 150-200 ℃, the heat conduction oil is fed into the middle of the membrane filter plate through the pump and the heat conduction oil squeezing pipeline, the membrane of the membrane filter plate is expanded under the pressurization effect of the pump, the materials in the filtering cavity are further squeezed and dehydrated, and meanwhile the high-temperature heat conduction oil heats the materials in the filtering cavity. Compressed air generated by the air compressor is heated into hot air through the heat exchanger, the hot air enters the filtering chamber through the air blowing pipeline, air blowing is carried out on materials in the filtering chamber, moisture in pores of the materials is further blown and removed, further dehydration is carried out, and meanwhile the hot air heats the materials from the inside. After the blowing is finished, the vacuum pump is started, the vacuum environment is formed in the filtering chamber through the vacuumizing pipeline, and the moisture in the heated material is further evaporated to achieve the purpose of deep dehydration. And reasonable in design and convenient operation, easily installation, with low costs, have extensive suitability.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (9)
1. A deep dehydration filter-pressing system which characterized in that: the oil temperature control system is characterized by comprising a diaphragm filter plate (10), a hot oil tank (20), an oil temperature control system (30) and a hot oil pump (40), wherein the oil temperature control system (30) is arranged on the hot oil tank (20) and is used for controlling the temperature of oil in the hot oil tank (20), an oil inlet of the hot oil pump (40) is communicated with an oil outlet of the hot oil tank (20), and an oil outlet of the hot oil tank (20) is communicated with a diaphragm closed chamber (11) of the diaphragm filter plate (10);
oil temperature control system (30) include oil temperature sensor (32), temperature controller (33) and heat source (31) for the interior oil material of hot-oil tank (20) provides heat, oil temperature sensor (32) set up be used for detecting the temperature of the interior oil of hot-oil tank (20) in hot-oil tank (20), oil temperature sensor (32) are connected with temperature controller (33) electricity and owing to transmit the oil temperature information that detects oil temperature sensor (32) to temperature controller (33), temperature controller (33) are connected with heat source (31) and are used for adjusting and controlling the temperature of the interior oil of hot-oil tank (20) through controlling how much that heat source (31) provided heat for the oil material.
2. A deep dewatering press filtration system according to claim 1, wherein: heat source (31) are the heating rod, the heating rod is installed in hot-oil tank (20) and is used for providing the heat for the oil in hot-oil tank (20), temperature controller (33) with the heating rod is connected and temperature controller (33) come the control heating rod to provide the heat for the oil in hot-oil tank (20) how much through the switch of control heating rod.
3. A deep dewatering and pressure filtration system according to claim 1, wherein: the heating furnace is characterized in that the heat source (31) is a heating furnace, the heating furnace is installed on the outer side of the hot oil tank (20) and used for providing heat for oil in the hot oil tank (20), the temperature controller (33) is connected with the heating furnace, and the temperature controller (33) controls the heating furnace to provide heat for the oil in the hot oil tank (20) by controlling the fuel feeding amount of the heating furnace.
4. A deep dewatering and pressure filtration system according to claim 2 or claim 3, wherein: the degree of depth dehydration filter-pressing system still includes air compressor (50) and heat exchanger (60), the gas outlet of air compressor (50) is linked together through the cold medium entry of pipeline and heat exchanger (60), the cold medium export of heat exchanger (60) is linked together through the air inlet of pipeline and diaphragm filter plate (10) and is used for blowing into the filter cake behind the filter screen with compressed air, the hot medium entry of heat exchanger (60) is linked together through the oil-out of pipeline and hot oil tank (20), be provided with on the pipeline between heat exchanger (60) and hot oil tank (20) oil pump (21), the hot medium export of heat exchanger (60) is linked together through the oil return opening of pipeline and hot oil tank (20).
5. A deep dewatering and pressure filtration system according to claim 4, wherein: a first pipeline valve (51) is arranged on a pipeline between the air compressor (50) and the heat exchanger (60), and a second pipeline valve (61) is arranged on pipelines of the heat exchanger (60) and the membrane filter plate (10).
6. A deep dewatering and pressure filtration system according to claim 2 or claim 3, wherein: the degree of depth dehydration filter-pressing system still includes vacuum pump (70), the sunction inlet end of vacuum pump (70) is connected with third pipeline valve (71) and is linked together with the one end of third pipeline valve (71), the other end of third pipeline valve (71) is linked together with second pipeline valve (61) and diaphragm filter plate (10) through the pipeline respectively.
7. A deep dewatering and pressure filtration system according to claim 6, wherein: the deep dehydration and filter-pressing system further comprises a stirring barrel (81) and a diaphragm pump (82), wherein a discharge hole of the stirring barrel (81) is communicated with a feed inlet of the diaphragm pump (82), and a discharge hole of the diaphragm pump (82) is connected with a filter frame on the outer side of the diaphragm filter plate (10) through a feed pipeline (83).
8. A deep dewatering and pressure filtration system according to claim 6, wherein: the deep dehydration and filter pressing system further comprises a drain valve (72), one end of the drain valve (72) is communicated with the diaphragm filter plate (10), the second pipeline valve (61) and the third pipeline valve (71) through pipelines respectively, and the other end of the drain valve (72) is connected with a drain tank through a pipeline and used for draining water subjected to filter pressing treatment into the drain tank through the drain valve (72).
9. A deep dewatering and pressure filtration system according to claim 2 or claim 3, wherein: the oil added into the hot oil tank (20) is heat conduction oil, and the temperature of the heat conduction oil is controlled to be 100-200 ℃ by the oil temperature control system (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122903040.5U CN216497675U (en) | 2021-11-23 | 2021-11-23 | Deep dehydration filter pressing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122903040.5U CN216497675U (en) | 2021-11-23 | 2021-11-23 | Deep dehydration filter pressing system |
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| Publication Number | Publication Date |
|---|---|
| CN216497675U true CN216497675U (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122903040.5U Active CN216497675U (en) | 2021-11-23 | 2021-11-23 | Deep dehydration filter pressing system |
Country Status (1)
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|---|---|
| CN (1) | CN216497675U (en) |
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2021
- 2021-11-23 CN CN202122903040.5U patent/CN216497675U/en active Active
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