CN205073771U - Heating plate for filter press - Google Patents

Abstract

A heating plate for a filter press comprises an outer plate shell for accommodating and arranging a heating body and heat conducting oil; the outer plate shell is a hollow rectangular body, and an accommodating space and an oil guide pipe are formed in the outer plate shell; the heating body is arranged in the accommodating space of the outer plate shell, and a heating space is arranged in the heating body to guide a heat source to heat the heating body through the heating space; the heat conducting oil enters the containing space through the oil guiding pipe of the outer plate shell, and the heat conducting oil is distributed in the containing space and outside the heating body, so that the structural stress strength and the service life of the heating plate are improved, and the heating body can be directly heated and is matched with the heat conducting oil to conduct and heat on the outer plate shell, so that the balanced and stable heating effect is achieved.

Description

Heating plate for filter press

technical field

The utility model relates to a heating plate for a filter press, in particular to a heating plate for a filter press for extruding and dehydrating and heating and drying water-containing sludge or filter material.

Background technique

In the current filter press used for aqueous sludge and other various filter materials, multiple groups of filter plates 9 and heating plates 91 that can be moved, separated, overlapped and leaned on each other are placed on the track of the machine, as shown in Figure 1. , each filter plate 9 and heating plate 91 are provided with connected sludge inlet 92 and drainage holes 94 at each corner, and each filter plate 9 is covered with filter cloth 93 on both sides, and heating plate 91 has a heating space 95 And both sides sealing plate 96, make the external heat source 97 (steam) can pass through the heating space 95 of each heating plate 91.

When the filter press process is actually carried out, all filter plates 9 and heating plates 91 are overlapped and leaned against, and then the water-containing sludge 98 is pumped into the sludge inlet 92 of each filter plate 9 and heating plate 91, and the process is continued. Squeeze to make the sewage flow out through the filter cloth 93 and the sewage hole 94, and the sludge 98 is wrapped between the filter plates 9 and the heating plate 91 by the filter cloth 93 to carry out extrusion dehydration. Utilize heat source 97 (steam) to pass through the heating space 95 of each heating plate 91 then, heat source 97 is directly heated on both sides sealing plates 96, and the water content gasification of sludge 98 is conducted and heated by both sides sealing plates 96, to improve drying efficiency.

But in the heating process of such well-known heating plate 91, the sealing plates 96 on both sides directly bear the heat and pressure of the heat source 97 (steam), and cause the outward expansion state, and the inner and outer surfaces of the sealing plate 96 contact the heat source 97, respectively. The sludge 98 cannot effectively improve the structural stress strength of the heating plate 91, so that the heating plate 91 is easily damaged and the service life is relatively reduced. Therefore, how to solve the deficiency and deficiency of the above-mentioned well-known heating plate 91 for a filter press is a subject that the related industry is eager to research and develop.

Utility model content

In order to solve the above problems, the purpose of this utility model is to provide a heating plate for a filter press. The heating plate is filled with heat conduction oil between the inside of the outer plate shell and the heating body, so as to improve the structural force strength of the heating plate and the use of the heating plate. Life, and the heating body can be heated directly or with heat transfer oil conduction heating on the outer plate shell to achieve a balanced and stable heating effect.

In order to achieve the above purpose, the utility model provides a heating plate for a filter press, which includes an outer plate shell for accommodating a heating body and heat transfer oil; wherein: the outer plate shell is set as a hollow rectangular body, and The inside of the plate shell is sealed to form a housing space, and an oil guide pipe connected to the housing space from the outside; the heating body is arranged in the housing space of the outer plate shell, and a heating space and a The heat inlet pipe connected to the heating space from the outside and the heat exhaust pipe spaced apart from the heat inlet pipe guide the heat source to pass through the heat inlet pipe, the heating space and the heat exhaust pipe in sequence, so that the heat source can heat the heating body through the heating space; the heat transfer oil passes through the outer The oil guide pipe of the plate shell enters into the accommodation space, and the heat conduction oil is distributed in the accommodation space and the heating body, so that the heating body can cooperate with the heat conduction oil to conduct heat to the outer plate shell.

The aforementioned heating plate for a filter press, wherein the outer plate housing includes a fixed frame with an inner peripheral opening, two sealing plates covering opposite sides of the fixed frame, and the accommodating space is formed in the inner peripheral opening of the fixed frame and between the two sealing plates.

The aforementioned heating plate for a filter press, wherein the two side sealing plates of the outer plate shell are placed against the opposite sides of the heating body, and the two side sealing plates are expanded outward during the heating of the heating body to attract heat transfer oil into the two sides Between the sealing plate and the heating body.

In the aforementioned heating plate for a filter press, the oil guide pipe protrudes from the top of the shell of the outer plate, and the oil guide pipe is connected to a heat transfer oil container facing outward.

The aforementioned heating plate for a filter press, wherein the heating body is set as a hollow plate shell to form an internal heating space, and the shape of the plate shell is matched with the accommodating space, and the heat inlet pipe and the heat exhaust pipe of the heating body protrude on the outer shell.

In the aforementioned heating plate for a filter press, the heating body is configured as a plurality of plate shells arranged side by side, and each plate shell is respectively provided with a heat inlet pipe and a heat discharge pipe.

In the aforementioned heating plate for a filter press, the heating body is configured as a heating pipe body, and the heating pipe body is distributed and fit in the accommodating space, and the heat inlet pipe and the heat discharge pipe of the heating body protrude from the outer plate shell.

In the aforementioned heating plate for a filter press, the heating pipe body includes a plurality of connecting and communicating heating pipe sections.

The beneficial effect of the utility model is that the heating plate is filled with heat-conducting oil between the inside of the shell of the outer plate and the heating body, so as to improve the structural stress strength and service life of the heating plate, and the heating body can be directly heated and conduction heating with heat-conducting oil On the outer shell, in order to achieve a balanced and stable heating effect.

Description of drawings

Fig. 1 is the schematic diagram of conventional sludge filter press heating extrusion sludge;

Fig. 2 is a cross-sectional view in which the heating plate of the filter press of the present invention overlaps with the filter plate, and shows the sludge inlet and the oil guide pipe;

Fig. 3 is a perspective view of the heating plate of Fig. 2;

Fig. 4 is a sectional enlarged view of the heating plate of Fig. 3, and shows the sludge inlet and the oil guide pipe;

Fig. 5 is an enlarged cross-sectional view of the heating plate of Fig. 3, and shows heat inlet pipes and heat exhaust pipes;

Fig. 6 is a perspective view of the interior of the heating plate of Fig. 3;

Fig. 7 is a sectional view of the fixed frame and the heating body of Fig. 6;

Fig. 8 is a perspective view of the fixed frame and the sealing plate of Fig. 6;

Fig. 9 is a three-dimensional exploded view of the heating body in Fig. 6;

Fig. 10 is a perspective view of another heating body arranged in the fixed frame as in Fig. 6;

Fig. 11 is an action diagram of the filter press of the present invention for pressing and filtering sludge, and shows the sludge inlet and the oil guide pipe;

Fig. 12 is an action diagram of the filter press of the present invention performing press filtration and heating sludge, and shows heat inlet pipes and heat exhaust pipes.

Explanation of reference signs:

1. Filter plate

11. Filter cloth

12. Filter chamber

13. Sludge inlet

14. Sewage hole

2. Heating plate

3. Outer shell

31. Fixed frame

311. Inner peripheral opening

312. slot

32. Sealing plate

33. Sludge inlet

34. Sewage hole

35. Accommodating space

36. Support

37. Oil guide pipe

4. Heating body

41. Plate shell

42. Heating space

43. Inlet heat pipe

44. Heat exhaust pipe

5. Heat conduction oil

51. Heat transfer oil container

6. Heating body

61. Heating pipe body

62. Heating pipe section

63. Inlet heat pipe

64. Heat exhaust pipe

7. Heat source

8. Sludge.

detailed description

The utility model is for achieving the above-mentioned purpose, and the technical means and effect thereof that adopt now give feasible embodiment, and cooperate accompanying drawing to illustrate as follows:

First of all, please refer to Fig. 2 to Fig. 4, it can be seen clearly from the figure that the filter press of the present utility model is also provided with a plurality of relative filter plates 1 on the well-known frame track, between each two filter plates 1 A heating plate 2 is arranged between each, so that each filter plate 1 and the heating plate 2 are overlapped, moved and leaned against each other in sequence, and they can be moved and separated from each other. As shown in the figure, each filter plate 1 is set as a metal material rectangle, and a large area concave filter chamber 12 is respectively set on both sides of the filter plate 1, and a sludge inlet 13 through which both sides penetrate, and the filter plate Each corner of 1 is provided with drainage holes 14, and the surfaces of the two filter chambers 12 are each provided with a filter cloth 11 communicated with the sludge inlet 13.

Please refer to Fig. 2 to Fig. 9, the heating plate 2 for the filter press of the present invention includes an outer plate shell 3, and a heating body 4 and a heat transfer oil 5 are accommodated in it; wherein:

The outer plate shell 3 is set as a hollow metal material rectangular body, and the outer plate shell 3 includes a fixed frame 31 with an inner peripheral opening 311 and a slot hole 312, and two seals on opposite sides of the fixed frame 31. The plate 32 forms an accommodating space 35 sealed between the inner peripheral opening 311 of the fixed frame 31 and the two sealing plates 32 inside the outer plate housing 3, and is provided with an oil guide pipe 37 communicating with the accommodating space 35 from the outside, and The oil guide pipe 37 protrudes from the top of the outer plate casing 3 . The two sides of the outer plate shell 3 are connected with a sludge inlet 33 and a plurality of sewage drainage holes 34, and each sewage drainage hole 34 and the sludge inlet 33 are not connected to the accommodating space 35 respectively. Both sides of the body 3 are provided with support members 36 (see FIG. 3 ).

The heating body 4 is arranged in the accommodating space 35 of the outer plate shell 3, and the heating body 4 can be set as a single or a plurality of hollow metal material plate shells 41 arranged side by side to form an internal heating space 42 , the shape of the plate shell 41 is to match the accommodating space 35, and each plate shell 41 is provided with a heat inlet pipe 43 connected to the heating space 42 from the outside and a heat exhaust pipe 44 spaced apart from the heat inlet pipe 43, and the heating body 4 The heat inlet pipe 43 and the heat exhaust pipe 44 protrude from the outer plate shell 3 to guide the heat source 7 (refer to FIG. 5 and FIG. 12 ) to pass through the heat inlet pipe 43, the heating space 42 and the heat exhaust pipe 44 in sequence, so that the heat source 7 passes through the heating space 42 heats the heating body 4 .

The heat transfer oil 5 is connected to the oil guide pipe 37 of each outer plate shell 3 by means of a heat transfer oil container 51 (refer to FIG. 4 and FIG. 11 ), and the heat transfer oil 5 can pass through the oil guide pipe 37 of the outer plate shell 3 to enter the accommodating space. 35, and the heat transfer oil 5 is distributed in the accommodation space 35 and outside the heating body 4, so that the heating body 4 can contact and heat the outer plate shell 3, and the heating body 4 can cooperate with the heat transfer oil 5 to conduct heat on the outer plate shell Body 3.

With the above configuration, when the utility model starts to carry out the sludge filter press operation, referring to Fig. 2 to Fig. 5, each filter plate 1 and heating plate 2 are overlapped and leaned on in sequence, and the two sides of the outer plate shell 3 are sealed The plate 32 is placed on opposite sides of the heating body 4, and the heat transfer oil 5 can pass through the oil guide pipe 37 of the outer plate shell 3 to enter the accommodating space 35, so that the heat conducting oil 5 is distributed in the accommodating space 35 and the heating body 4 in the outer surface gap. The filter press uses a pump (not shown) to pump water-containing sludge 8 through the sludge inlets 13, 33 (see Figures 2 and 11), so that the sludge 8 enters the filter chamber 12 of each filter plate 1 for extrusion. Pressure dehydration, allowing sewage to flow into the filter cloths 11 on both sides of each filter plate 1 and the sewage holes 14, 34 to discharge outwards. Then, referring to Fig. 5 and Fig. 12, the heat source 7 of external steam passes through the heat inlet pipe 43, the heating space 42 and the heat exhaust pipe 44 in sequence, so that the heat source 7 heats the heating body 4 through the heating space 42, and the two sides are sealed 32 expands outward during the heating of the heating body 4 to attract the heat transfer oil 5 (see Figure 11) into the gap between the inside of the sealing plate 32 on both sides and the outer surface of the heating body 4, so that the heating body 4 can contact and heat the outer plate shell 3 , and the heating body 4 can cooperate with the heat conduction oil 5 to heat the outer plate shell 3, and then the sludge 8 in the filter chamber 12 is heated by the sealing plates 32 on both sides of the heating plate 2, so that the water contained in the sludge 8 The water is gasified, and the water is also discharged from the drainage holes 14 and 34. Finally, the sludge filter press can be pulled to open each filter plate 1 and heating plate 2 one by one, so as to discharge the sludge 8 that has been filtered. .

The heating plate 2 for the filter press of the present invention is filled with heat conduction oil 5 between the inside of the outer plate shell 3 and the heating body 4, so as to improve the structural force strength and service life of the heating plate 2, and the heating body 4 can be directly heated And cooperate with the heat conduction oil 5 to conduct and heat the outer plate shell 3 to achieve a balanced and stable heating effect. Moreover, the heating body 4 can adopt two side-by-side plate shells 41 to reduce the expansion range when the plate shell 41 and the side of the sealing plate 32 are heated, so that the heating plate 2 can be more durable.

Please refer to Fig. 10, another heating body 6 can be set in the accommodation space 35 of the fixed frame 31, and the heating body 4 is set as a heating pipe body 61, and the heating pipe body 61 is distributed and matched in the accommodation space 35 , and the heat inlet pipe 63 and the heat exhaust pipe 64 of the heating pipe body 61 protrude from the fixed frame 31, while the heating pipe body 61 includes a plurality of connected heating pipe sections 62, and the heating pipe sections 62 can be made of seamless steel pipes , to improve structural strength and service life.

The above-mentioned embodiments are only used to illustrate this creation for convenience, and are not intended to be limiting. Without departing from the spirit category of the present utility model, various simple changes and modifications that can be made by those skilled in the art should still be included. in the scope of the patent application.

Claims (8)

1. a filter press heating plate, is characterized in that, includes an outside plate housing and arranges a calandria and conduction oil to hold; Wherein:

This outside plate housing is set to hollow form square type body, and at outside plate enclosure interior sealing formation one accommodation space, and one by the oil guide pipe of ft connection in accommodation space;

This calandria is arranged in the accommodation space of outside plate housing, a heating space is provided with in calandria inside, and one by ft connection in heating space enter heat pipe and with enter heat pipe heat exhausting pipe separately, sequentially pass through to guide thermal source, into heat pipe, heating space and heat exhausting pipe, thermal source to be heated for calandria via heating space;

This conduction oil is by the oil guide pipe of outside plate housing to enter in accommodation space, and conduction oil to be distributed in accommodation space with outside calandria, makes calandria that conduction oil can be coordinated to conduct and calorifies outside plate housing.

2. filter press heating plate as claimed in claim 1, it is characterized in that, wherein this outside plate housing comprises the fixed frame that has inner circumferential opening, and two shroudings being coated on the relative both sides of fixed frame, this accommodation space is formed between the inner circumferential opening of fixed frame and two shroudings.

3. filter press heating plate as claimed in claim 2, it is characterized in that, wherein two side seal boards of this outside plate housing are placed in the relative both sides of calandria, and two side seal boards add in calandria and hanker expanding outwardly, enter between two side seal boards and calandria to attract conduction oil.

4. filter press heating plate as claimed in claim 1, it is characterized in that, wherein this oil guide pipe stretches out in outside plate case top, and oil guide pipe is towards being externally connected with a conduction oil container.

5. filter press heating plate as claimed in claim 1, it is characterized in that, wherein this calandria is set to hollow form plate housing, to form inner heating space, and plate hull shape coordinates accommodation space, this calandria enter heat pipe, heat exhausting pipe stretches out in outside plate housing.

6. filter press heating plate as claimed in claim 5, is characterized in that, wherein this calandria is set to multiple and by arranging plate housing, and each plate housing is respectively equipped with into heat pipe and heat exhausting pipe.

7. filter press heating plate as claimed in claim 1, it is characterized in that, wherein this calandria is set to heating body, and the distribution of heating body is matched with accommodation space, this calandria enter heat pipe, heat exhausting pipe stretches out in outside plate housing.

8. filter press heating plate as claimed in claim 7, is characterized in that, wherein this heating body includes multiple heating pipeline section be communicated with that connects.