JP2017077502A - Heating plate for filter press - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heating plate for filter press.SOLUTION: There is provided a heating plate for filter press being an outer plate shell body in which a heating body and heat conductive oil are stored and installed, where the outer plate shell body contains an outer plate shell body which is provided on a hollow rectangular body and forms a storage space in the outer plate shell body and an oil conductive pipe, the heating body is installed in the storage space of the outer plate shell body and has a heating space provided in the heating body and makes a heating body heat through the heating space by a heating source, the heat conductive oil passes through the oil conductive pipe of the outer plate shell body and enters into the storage space, and is distributed in the storage device and outside the heating body, improves a force receiving strength and a use life of the structure of the heating plate, and achieves balance and stability of a heating effect by direct heating of the heating body and conduction heating of the outer plate shell body in combination with the heat conductive oil.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a heating plate for a filter press, and more particularly to a heating plate for a filter press that performs dehydration and heat drying on hydrous sludge or filtrate.

  In the filter press used by the current water-containing sludge and other various filtrates, a plurality of sets of filter plates 9 and heating plates 91 that can be moved and separated and overlapped on the track of the machine stand are placed, As shown in FIG. 1, each filter plate 9 and heating plate 91 are provided with a sludge inlet 92 and a sewage discharge hole 94 at each corner, and are covered with a filter cloth 93 on both sides of each filter plate 9. Has a heating space 95 and seal plates 96 on both sides, and an external heat source 97 (steam) can pass through the heating space 95 of each heating plate 91.

  When the filter pressing process is actually performed, all the filtration plates 9 and the heating plates 91 are overlapped and brought together, and the sludge 98 containing water is extracted using a pump, and the sludge inlets 92 of the respective filtration plates 9 and the heating plates 91 are extracted. The sewage is discharged through the filter cloth 93 and the sewage discharge hole 94, and the sludge 98 is wrapped by the filter cloth 93 and dehydrated between each filter plate 9 and the heating plate 91. I do. Thereafter, the heat pipe 97 (steam) is used to pass through the heating space 95 of each heating plate 91, the both-side seal plates 96 are directly heated by the heat source 97, and the moisture of the sludge 98 is heated and vaporized by conduction of the both-side seal plates 96. , Improve the drying efficiency.

  In the conventional heating plate 91, in the heating process, the both-side seal plates 96 are directly subjected to the heat amount and pressure action of the heat source 97 (steam), causing an outward expansion state, and the seal plates 96 are heat sources on the inner and outer surfaces, respectively. 97, the strength which the structure of the heating plate 91 receives due to contact with the sludge 98 cannot be effectively improved, and the heating plate 91 is easily damaged, and the service life is relatively reduced. How to solve the defect and deficiency of the conventional filter press heating plate 91 is a problem that the related companies want to research and develop.

JP 2004-181392 A

  The purpose and use effect of the present invention are that the heating plate is filled with heat conduction oil between the inside of the outer shell and the heating body to improve the strength and service life received by the heating plate, and the heating plate is directly heated and heated. It is to combine the oils so that heating can be conducted to the shell shell and to achieve a balanced and stable heating effect.

  In order to achieve the above object, the heating plate for a filter press provided by the present invention is an outer plate shell that accommodates and installs a heating body and heat conduction oil, and the outer plate shell is provided in a hollow rectangular body. An outer plate shell that seals the housing space inside the outer shell, and an oil guide pipe that communicates with the housing space from the outside. The heating body is installed in the housing space of the outer shell. A heating space inside the heating body, a heat input pipe communicating with the heating space from the outside, and an exhaust heat pipe spaced apart from each other are provided, and the heat source is guided to pass through the heat input pipe, the heating space, and the exhaust heat pipe in order. The heating body is heated via the heating space, the heat conduction oil passes through the oil guide pipe of the outer shell and enters the accommodation space, and the heat conduction oil passes between the accommodation space and the outside of the heating body. The heat conduction oil is combined with the heating body to conduct the heat to the outer shell.

  In the filter press heating plate, the outer shell includes a fixed frame having an inner peripheral opening, and two seal plates that cover opposite sides of the fixed frame, and the accommodating space has an inner periphery of the fixed frame. It is formed between the opening and the two sealing plates.

  In the heating plate for the filter press, the sealing plates on both sides of the outer shell are brought close to the opposite sides of the heating body, and the sealing plates on both sides expand outside during heating of the heating body, Is sucked into between the sealing plates on both sides and the heating element.

  In the heating plate for the filter press, the oil guide pipe extends to the upper part of the outer shell, and the oil guide pipe connects the heat guide oil container to the outside.

  In the heating plate for a filter press, the heating body is provided as a hollow plate shell body, constitutes a heating space therein, and the shape of the plate shell body is adjusted to the accommodation space, and the heat input pipe of the heating body The exhaust heat pipe extends to the outer shell.

  In the heating plate for filter press, the heating body is a plurality of plate shells arranged in close proximity, and each plate shell is provided with a heat input tube and a heat exhaust tube.

  In the heating plate for the filter press, the heating body is provided as a heating tube body, and the distribution of the heating tube body is adjusted to the accommodation space, and the heating tube body includes a heating tube portion connected and communicating with each other. In addition, the heat input pipe and the heat exhaust pipe of the heating body extend to the outer shell.

  The heating plate for filter press of the present invention is an outer shell that houses and installs a heating body and heat conduction oil, and the outer shell is provided in a hollow rectangular body and is accommodated inside the outer shell. A heating shell is installed in the housing space of the outer shell, the heating space is provided inside the heating body, and the heat source is connected to the heating source via the heating space. The heating body is heated so that the heat conduction oil passes through the oil guide pipe of the outer shell and enters the accommodation space, and the heat conduction oil is distributed in the accommodation space and outside the heating body, and the structure of the heating plate The heat receiving strength and the service life of the heat generating body are improved, and heating and heat conduction oil are directly combined with the heating body, and the outer shell is conductively heated to achieve the balance and stability of the heating effect.

It is explanatory drawing in which the conventional sludge filter press heat-presses sludge. It is sectional drawing with which the heating plate for filter presses and the filter plate of this invention overlapped and brought together, and a sludge inlet and an oil guide pipe are displayed. It is a three-dimensional view of the heating plate of FIG. It is a cross-sectional enlarged view of the heating plate of FIG. 3, and displays a sludge inlet and an oil guide pipe. It is a cross-sectional enlarged view of the heating plate of FIG. 3, and displays a heat input tube and a heat exhaust tube. It is a three-dimensional view inside the heating plate of FIG. FIG. 7 is a cross-sectional view of the fixed frame and the heating plate in FIG. 6. FIG. 7 is a three-dimensional view of a fixed frame and a seal plate in FIG. 6. It is a three-dimensional exploded view of the heating plate of FIG. FIG. 7 is a three-dimensional view in which another type of heating plate is installed on the fixed frame of FIG. 6. The filter press of this invention is an operation | movement figure which filters a sludge, and displays a sludge inlet_port | entrance and an oil guide pipe | tube. It is an operation | movement figure which filters and heats the sludge of this invention, and displays a heat input pipe and a waste heat pipe.

  The technical means adopted for the present invention to achieve the above object and the effects thereof will be described below with reference to the accompanying drawings.

  First, as can be seen from the drawings with reference to FIGS. 2 to 4, the filter press of the present invention is provided with a plurality of opposed filter plates 1 on a mechanical structure track as in the prior art, and between each two filter plates 1. The filter plate 1 and the heating plate 2 are interlaced and overlapped in order and actively brought together so that they can be actively moved and separated from each other.

  As shown in the figure, each filter plate 1 is provided in a rectangular body made of a metal material, provided on both sides of the filter plate 1 with a recessed filtration chamber 12 having a large area, and a sludge inlet 13 penetrating both sides, and filtering. A sewage discharge hole 14 is provided at each corner of the plate 1, and filter cloths 11 that communicate with the sludge inlets 13 are respectively installed on the surfaces of the two filtration chambers 12.

  As shown in FIGS. 2 to 9, the filter press heating plate 2 of the present invention includes an outer plate shell 3, a heating body 4 and a heat conduction oil 5 which are housed and installed therein.

  The outer shell 3 is provided in a rectangular shape made of a hollow metal material, and the outer shell 3 covers a fixed frame 31 having an inner peripheral opening 311 and a slot 312 and opposite sides of the fixed frame 31. An oil guide pipe that includes two seal plates 32 and that forms a housing space 35 between the inner peripheral opening 311 of the fixed frame 31 inside the outer shell 3 and the two seal plates 32 and communicates with the housing space 35 from the outside. 37 and the oil guide pipe 37 is extended to the upper part of the outer shell 3. Both sides of the outer shell 3 are provided with a sludge inlet 33 and a plurality of sewage discharge holes 34 penetrating, and each of the sewage discharge holes 34 and the sludge inlet 33 are not in communication with the accommodation space. Support members 36 are provided on both sides (see FIG. 3).

  The heating body 4 is installed in the accommodation space 35 of the outer shell 3, and the heating body 4 is provided as a plurality of hollow shells 41 made of a hollow metal material that are arranged together and heated inside. The space 42 can be configured, and the shape of the plate shell 41 is matched to the accommodation space 35. The plate shell 41 includes a heat input pipe 43 communicating with the heating space 42 from the outside and exhaust heat pipes spaced from each other. 44, and the heat input pipe 43 and the exhaust heat pipe 44 of the heating body 4 extend to the outer shell 3, and the heat source 7 (see FIGS. 5 to 12) is connected to the heat input pipe 43, the heating space 42, and the exhaust heat pipe in this order. The heat source 7 is caused to pass through the heating space 42 so that the heating body 4 is heated.

  The heat conducting oil 5 is connected to the oil guiding pipe 37 of each outer shell 3 using a heat conducting oil container 51 (see FIG. 4 and FIG. 11), and the heat conducting oil 5 is connected to the oil guiding pipe of the outer shell 3. The heat transfer oil 5 can pass through the space 37 and enter the housing space 35, and the heat transfer oil 5 is distributed inside the housing space 35 and outside the heating body 4, respectively, and the heating body 4 is brought into contact with the outer shell 3. Further, the heating body 4 can further heat the outer shell 3 together with the heat conduction oil 5.

  According to the above, when starting the sludge filter pressing operation, the present invention refers to FIG. 2 to FIG. The seal plates 32 on both sides of the body 3 are brought close to opposite sides of the heating body 4, and the heat transfer oil 5 can enter the accommodation space 35 through the oil guide pipe 37 of the outer plate shell 3, The heat conduction oil 5 is distributed in the gap between the accommodation space 35 and the outer surface of the heating element 4. The filter press further sends the water-containing sludge 8 using a pump (not shown), passes through the sludge inlets 13 and 33 (see FIGS. 2 and 11), and the sludge 8 is filtered through the filter plates 1. It enters into the chamber 12 to perform pressure dehydration, and the sewage flows into the filter cloth 11 and the sewage discharge holes 14 and 34 on both sides of each filter plate 1 and is discharged outside. 5 and 12, an external steam heat source 7 is sequentially passed through the heat input pipe 43, the heating space 42 and the exhaust heat pipe 44, and the heat source 7 is passed through the heating space 42 to heat the heating body 4. In addition, during the heating of the heating body 4 of the seal plates 32 on both sides, the heat expansion oil 5 is sucked out (see FIG. 11), and the inside of the seal plates 32 on both sides and the outer surface of the heating body 4 The heating body 4 can be contact-heated to the outer shell 3 and the heating body 4 can be combined with the heat conduction oil 5 to be conductively heated to the outer shell 3, The sealing plate 32 on both sides of the heating plate 2 heats the sludge 8 in the filtration chamber 12 to vaporize the water contained in the sludge 8, and the water is similarly discharged out of the contaminated drain holes 14, 34. In the sludge filter press, each filter plate 1 and heating plate 2 are sandwiched one by one and opened by pulling. It is possible to drop in conjunction completed the sludge 8 Rutapureshingu.

  The heating plate 2 for a filter press according to the present invention is filled with a heat conduction oil 5 between the inside of the outer shell 3 and the heating body 4 to improve the power receiving strength and the service life of the structure of the heating plate 2 and to heat. The body 4 can conduct and heat the outer shell 3 together with the direct heating and heat conduction oil 5 to achieve balance and stability of the heating effect. Moreover, the heating body 4 adopts the plate shell body 41 arranged together, reduces the expansion width at the time of heating the side surface of the plate shell body 41 and the seal plate 32, and makes the heating plate 2 more durable. Can do.

  Referring to FIG. 10, another type of heating body 6 can be installed in the accommodation space 35 of the fixed frame 31, and this heating body 4 is provided as a heating tube body 61 and accommodates the distribution of the heating tube body 61. The heat input pipe 63 and the exhaust heat pipe 64 of the heating pipe body 61 extend outside the fixed frame 31 in accordance with the space 35, and the heating pipe body 61 includes a heating pipe portion 62 that is connected to and communicates with each other. The part 62 can be manufactured by employing a seamless steel pipe, and the structural strength and the service life can be improved.

  The above examples are used to illustrate embodiments of the present invention and to understand the technical features of the present invention, and not to limit the protection scope of the present invention.

DESCRIPTION OF SYMBOLS 1 Filtration plate 11 Filter cloth 12 Filtration chamber 13 Sludge inlet 14 Sewage discharge hole 2 Heating plate 3 Outer shell 31 Fixed frame 311 Inner peripheral opening 312 Slot 32 Seal plate 33 Sludge inlet 34 Sewage discharge hole 35 Storage space 36 Support member 37 Heat transfer pipe 4 Heating body 41 Plate shell 42 Heating space 43 Heat input pipe 44 Heat exhaust pipe 5 Heat transfer oil 51 Heat transfer oil container 6 Heating body 61 Heating pipe body 62 Heating pipe section 63 Heat input pipe 64 Heat exhaust pipe 7 Heat source 8 Sludge

Claims (7)

  An outer plate shell that houses and installs a heating body and heat conduction oil, of which the outer plate shell is provided in a hollow rectangular body, and an outer plate shell that seals and forms a housing space inside the outer plate shell An oil guide pipe communicating with the housing space from the outside, and the heating body is installed in the housing space of the outer shell, and the heating space inside the heating body, the heat input pipe communicating with the heating space from the outside, and A heat exhaust pipe spaced apart from each other, inducting the heat source and sequentially passing through the heat input pipe, the heating space and the exhaust heat pipe, causing the heat source to heat the heating body via the heating space, and The oil passes through the oil guide pipe of the outer shell and enters the accommodation space, and the heat conduction oil is distributed inside the accommodation space and outside the heating body. The heat conduction oil is combined with the heating body to heat the outer shell. Heating plate for filter press to conduct.   The outer plate shell includes a fixed frame having an inner peripheral opening and two seal plates that cover opposite sides of the fixed frame, and the accommodating space is formed between the inner peripheral opening of the fixed frame and the two seal plates. The heating plate for filter presses according to claim 1.   The sealing plates on both sides of the outer shell are brought close to the opposite sides of the heating body, and the sealing plates on both sides expand to the outside during heating of the heating body, suck the heat conduction oil, and seal plates on both sides. The heating plate for a filter press according to claim 2, wherein the heating plate is inserted between the heating body and the heating body.   2. The filter press heating plate according to claim 1, wherein the oil guide pipe extends to an upper part of the outer shell and the oil guide pipe connects the heat conducting oil container to the outside.   The heating body is provided as a hollow plate shell, forms a heating space inside, and the shape of the plate shell is matched to the housing space, and the heat input pipe and the exhaust heat pipe of the heating body are the outer plate shell. The heating plate for filter presses according to claim 1, which extends to the surface.   The heating plate for a filter press according to claim 5, wherein the heating body is a plurality of plate shells arranged together and each plate shell is provided with a heat input tube and a heat exhaust tube.   The heating body is provided as a heating tube body, and the distribution of the heating tube body is adjusted to the accommodation space, and the heating tube body includes a heating tube portion connected to and in communication with each other, and the heat input pipe of the heating body The heating plate for a filter press according to claim 1, wherein the exhaust heat pipe extends to the outer shell.

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