JPS6136688A - Structure of heat exchanger - Google Patents

Abstract

PURPOSE:To enlarge the heat transfer area of the titled heat exchanger as much as possible by rotatably accommodating a hollow drum, which enables a medium to pass therethrough, providing disc-shaped hollow rotary vanes in alignment with each other over the outer periphery, providing scraping plates in the outer can, and partitioning each hollow drum rotary vane into spaces through which the medium can entirely diffuse. CONSTITUTION:The heat exchanger A axially supports a plurality of disc-shaped rotary vanes 2 in an outer can 1 in a rotatable manner via a hollow drum 3, and an inlet port 4 and a discharge port 5 are opened on the peripheral surface of the outer can 1. The drum 3 is designed to be capable of supplying and discharging a heating material and a material to be heated, and is partitioned into two spaces. Each of hollow rotary vane 2 is formed into a hollow shape to form a supply port 15 communicating with a supply space S and a discharge port 16 communicating with a discharge space S. The heating material or the material to be heated is supplied into the rotary vanes 2, and is diffused, and then is discharged. In the interior of the hollow rotary vane 2 are provided partitioning plates 18 having communication holes 17, which section the vane 2 into upper and lower parts and partition the same into a large number of chambers. Scraping plates 6 scrape off solid parts remaining on the surfaces of the rotary vanes 2.

Description

[Detailed Description of the Invention] (a) Industrial Application Fields of the Invention (I) A method for heating a fluid, etc., by storing a hollow drum through which a medium to be heated or heated is passed inside the outer can, while the user is away from home. Or, in a device designed to exchange heat with the medium to be heated, in particular, a hollow rotary blade for heating or circulating the medium to be heated is provided on the circumferential surface of the hollow drum (from -h inside the outer can). This relates to the structure of a heat exchanger in which heat exchanged calorific heat or heated medium is circulated and discharged to the other side, and solids adhering to the surface of the rotor blade are scraped off by a scraping plate. .

(b) Prior Art Conventionally, heating or a medium to be heated is made to flow through an outer can, a hollow drum in which the medium to be heated or heated is also circulated is housed inside the outer can, and heat exchange is performed between them. There are commonly used heat exchangers.

In such conventional heat exchangers, the heat exchange efficiency between the rotating hollow drum and the inside of the outer can is poor, and in order to reduce the surface area of the hollow drum, 15 arms are provided protruding from each body, and the outer can is Although a structure that stirs the inside is installed, it is not possible to satisfy the heat exchange efficiency factors other than the heat transfer area of the hollow drum. ,
This resulted in a significant decrease in heat exchange efficiency.

(c) Problems to be solved by the present invention As described above, in the conventional heat exchanger, in order to increase the efficiency of heat exchange between the inside of the outer can and the hollow drum, The wing bodies and arms are protruding, but in order to improve heat exchange efficiency,
This problem cannot be solved only by increasing the surface area by such foreign bodies or arms, stirring operation, etc., but it is necessary to increase the heat transfer area of the flow path for the heating or heated medium, and conventional heat exchangers cannot solve the problem. , insufficient consideration was given to this point.

A hollow drum that can transport media is rotatably housed,
A large number of disc-shaped hollow rotary blades are arranged side by side with a fixed gap around the outer periphery of the hollow drum, and scraping plates are placed on the outer can to scrape off any extraneous material on the surface of the rotor. In addition, a partition wall is provided inside the hollow drum to form a medium supply space and a medium discharge space, and a partition wall is provided inside the rotor blade, and a partition wall is provided at both ends of the partition space inside the rotor blade formed by the partition wall. , the medium supply space and the medium discharge space are communicated with each other, and an inlet and an outlet for the medium to be heated or heated are arranged on the circumferential surface of the cylindrical outer can along the rotational direction of the hollow drum. It is intended to provide an exchanger.

(e) Effect In this invention, if the hollow drum is rotated while the material to be heated or heated flows into the outer can from the inlet, heat exchange with the medium to be heated or heated flowing through the hollow drum can be performed. In particular, the medium flows into the rotary blade from the medium supply space of the hollow drum to one end between the ``A'' cut marks,
The medium circulates through the partitioned space and is discharged from the other end of the partitioned space to the exit space of the hollow drum, and the medium is smoothly heated or circulated through the rotary blades, causing heating inside the outer can or the medium being heated. The heat transfer area is made as large as possible to improve the heat exchange efficiency, and the solid content contained in the fluid of the heated object is attached to the surface of the rotor. The heat exchange efficiency can be further improved.

<A> shows a heat exchanger of the present invention. This heat exchanger (A) has a plurality of disk-shaped rotating R (2
) is rotatably mounted on a shaft via a hollow drum (3), an inlet (4) is opened on the circumferential surface of the outer can (1), and a hollow drum (3) inside the outer can (1) is provided. The discharge port (5) is opened in the direction of rotation. The discharge port (5) is constructed by disposing a scraping plate (6) inside the outer can (1), and the rotation of the rotor blade (2) removes heated particles that adhere to the surface of the rotor blade (2). Alternatively, it is used to scrape off deposits on objects to be heated.

The hollow drum (3) is hollow inside, and has a supply vibrator (7) and a discharge vibrator (8) protruding from the left and right sides to communicate with the inside of the drum (3). The drum (3) is configured to be able to supply heating or the object to be heated and to discharge it from within the drum (3). Inside such a drum <3),
The inside of the drum (3) is partitioned into two by a partition wall (M) stretched in the horizontal direction, and one side edge of the space partitioned by the partition wall (M) is connected to the communication opening (7) of the supply pipe (7). )' and bend the other side edge of the bulkhead (M) to face the discharge vibrator (8).
By bending the drum (3) to face the communication opening (8)', the inside of the drum (3) is divided into a supply space (S) and a discharge space (S).
It is divided into '. J3, the partition wall (M) shall be made of a heat insulating material.

Moreover, the same drum (3) has both of the above-mentioned vibrators (7).

(8) are supported on the left and right side walls <9) and <10) of the outer can (1) respectively to make them rotatable, and the discharge vibrator (
8), the interlocking pulley 11) connected to the vaporization (1)
To? The drive pulley (13) of the installed motor (12) is connected via the interlocking bell (14).
The drum (3) is configured to be rotationally driven by the power of the drum (12).

Also, rotation H (2>) is the circumferential surface (3)' of the same drum (3).
The rotor blades (2) protrude radially from the drum (
A plurality of drums (3) are arranged side by side at a constant distance from each other in the axial direction, so that they can rotate together with the drum (3).

Such a hollow rotary blade (2) is formed hollow, and has a partition wall (+) located on the same plane as the partition wall (M) inside, and the same partition! (6t) in the partition space of m > 43, and the supply space (
A supply port <15) communicating with S), and a discharge space (S)'
A discharge port (16) communicating with each other is formed respectively.

That is, the heating of the supply space (S) in the drum (3) or the heated material is supplied into the rotary blade (2) from the supply port (15), and the material is uniformly distributed within the rotary blade (2). After being diffused, it is configured to be discharged from the discharge port (16) into the exit space (S)' 171. <3> The circumferential side surface (3)' and the surface (2)' of the rotor blade (2) are heated or heated by the object to be heated or heated uniformly and without any problems.

In addition, hollow rotation 7! Inside (2), a required number of partitions (18) having a large number of communication holes (17) are provided in a radial manner,
FJIJ annular partition (19) for upper and lower division
The inside of the hollow rotary blade (2) is divided into a large number of chambers, and has communication holes (17) to allow heating or the object to be heated to flow therethrough.

The scraping plate (6) is formed with a plurality of fitting vortices (20) having an opening at the tip for slidably fitting the rotary blade (2), and the scraping plate (6) is rotated in a reclining shape. 1! The structure is such that solids remaining on the surface (2)' of (2) can be scraped off. Further, the scraping plate (6) is configured to be sloped downward from the tip toward the base end in the collapsed state so that the scraped solid matter can be guided to the discharge port (5).

In addition, this invention includes (a round outer can (1) and a hollow drum (
3) The heated or heated object that is circulated to the outer can (1) is the hot water that flows from underground into the outer can (1). An embodiment may be considered in which the heat of the water vapor is transferred to an object to be heated that has passed through the hollow drum (3).

Moreover, as another embodiment, the hollow drum (3) and the hollow rotary blade (2) can be configured as follows, that is, the hollow drum (3) and the rotary blade (2) The hollow parts of the hollow drum (15) and (16) are communicated with each other, and the above-mentioned special structure is provided inside the hollow drum (3) and inside the hollow rotary blade (2). This structure enables the passage of a heating or heated medium, especially a liquid medium (see FIG. 2), without any heat transfer, and this structure also has the effect of greatly improving the heat exchange efficiency when using a liquid medium.

(g) Effects According to the present invention, the medium circulates smoothly through the rotor blade that performs heating or heat transfer to the heated object, and deposits on the rotor blade surface are scraped off. This has the effect of greatly improving the heat exchange efficiency of the rotor blades.

1. Explanation of the interior of the cylinder in the drawings Fig. 1 is a longitudinal sectional front view of an embodiment of the present invention, Fig. 2 is a sectional side view, Fig. 3 is a side view of the same, Fig. 4 is a sectional view of the rotor blade, and Fig. 5 is a longitudinal sectional front view of an embodiment of the present invention.
The figure is a partially cutaway perspective view of the main part.

(Δ): Heat exchanger (1): Outer can (2): Rotor blade (2M: surface <3): Hollow drum (3)”: Circumferential side (4): Inlet (5): Outlet <6n>: Scraping board (M): Partition wall (S): Supply space (S) =: Discharge space (m): Partition wall

Claims (1)

[Claims] 1) A hollow drum capable of heating or passing a medium to be heated is rotatably housed inside a cylindrical outer can, and a large number of disk-shaped hollow rotary blades are arranged in parallel on the outer periphery of the hollow drum by keeping a certain gap between them. A scraping plate is connected to the outer can to scrape off deposits on the surface of the rotor, and a partition wall is provided inside the hollow drum to form a medium supply space and a medium discharge space. A partition wall is provided in the rotor, and a medium supply space and a medium discharge space are communicated with each other at both ends of the partition space inside the rotor blade formed by the partition wall.
A heat exchanger structure in which an inlet and an outlet for a medium to be heated or heated are arranged along the rotational direction of a hollow drum.