JP2604792Y2 - Plate heat exchanger - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a plate-type heat exchanger in which a plurality of plates are arranged one on top of the other, and a heat-radiating fluid and a heat-absorbing fluid are alternately formed between the plates to exchange heat through the plates. About the vessel.

[0002]

2. Description of the Related Art Conventionally, in a plate heat exchanger 1 as shown in FIGS. 4 to 6, for example, a fixed side plate 3 is provided on one side of a main body frame 2 and suspended on a carrying bar 2a of the main body frame 2. The movable side plate 4 is provided, and the fixed side plate 3 and the movable side plate 4
A plurality of plates 5 are suspended and superposed on the carrying bar 2a. The movable bar 4 and the plate 5 are positioned in the width direction by the guide bar 2b.

[0003] A plurality of stay bolts 6 are stretched over the fixed side plate 3 and the movable side plate 4, and a plurality of plates 5 are pressed and fixed by tightening a fastening nut 7 screwed to the stay bolt 6. Further, a heat-radiating fluid 8 and a heat-absorbing fluid 9
Are alternately formed, and are configured to exchange heat via the plate 5.

[0004]

However, according to the above-described conventional configuration, the plate 5 is not used during maintenance or the like.
When attaching and detaching the movable side plate 4, as shown in FIG.
And, the plate 5 existing between the target plate 5 and the movable side plate 4 is moved, and a space B for attachment and detachment is moved.
Had to be opened. This is for attaching and detaching the plate 5
This is because a tilting operation is required to release the restriction by the guide bar 2b. For this reason, there has been a problem that replacement and inspection work of the plate 5 become complicated.

Further, since the plate 5 also performs a tilting operation in the width direction in order to engage and disengage with the carrying bar 2a, a space A is required as shown in FIG. Therefore, the device itself has a redundant length in the arrangement direction of the plates 5 and also requires a redundant space in the width direction, which causes a problem that the installation space is increased.

An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide a plate-type heat exchanger capable of easily attaching and detaching a plate and reducing an installation space.

[0007]

In order to solve the above-mentioned problems, the present invention has a fixed side plate on one side of a main body frame, and a movable side plate opposed to the fixed side plate. In the plate heat exchanger in which a plurality of plates that alternately form the flow path of the heat-dissipating fluid and the heat-absorbing fluid are arranged between the movable side plate and the movable side plate, a load supporting member is provided at a position facing the movable side plate and the bottom of the plate, A movable side plate and a guide member for locking the plate in the width direction are provided in parallel with the load support member, and the movable side plate and the guide member are engaged with the guide member so as to be on the load support member.
Move the movable side plate and the plate
It is configured to be provided so as to be movable in the opposite direction .

[0008] Further, the load supporting member may be provided with an open top.
It has a U-shape and has a configuration in which a side plate is formed of a box that also serves as a guide member . Further, the guide member is formed of a movable side plate and a side bar which engages with a groove provided on the lower side of the plate.

[0009]

According to the above construction, the movable side plate and the plate are erected on the load supporting member, and the movable side plate and the plate are positioned in the width direction by the guide member. There is no member for restricting the upward movement, and only an arbitrary plate can be easily attached and detached without the movement of another plate as in the related art. Further, it is not necessary to provide a redundant portion for evacuating other plates in the plate arrangement direction in the load supporting member as in the related art, and it is not necessary to open a redundant space on the side of the device. And the installation space can be reduced.

By using a box for the load supporting member,
The movable side plate and the plate can be stably supported by the bottom plate of the box, and the side plate of the box can also be used as a guide member, so that the structure can be simplified. Further, the box can be used also as a drain pan.

[0011] By forming the guide member with a side bar which engages with a groove provided on the lower side of the movable side plate and the plate, positioning and load support of both can be performed on the lower side of the movable side plate and the plate. The structure becomes simple.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. Members having the same functions as those of the configuration of the plate heat exchanger described in FIGS. 4 to 6 are denoted by the same reference numerals, and description thereof is omitted.

In FIG. 1 and FIG. 2, a main body frame 12 of the plate heat exchanger 11 has a box body 15 forming a load supporting member between a fixed side plate 13 also serving as a support on one side and a support 14 on the other side. It is provided by hanging over, box 1
5 has a U-shaped cross section with an open top.

The movable side plate 4 is provided inside the box 15.
And a plurality of plates 5 mounted thereon, and a plurality of stay bolts 6 are laid across the fixed side plate 13 and the movable side plate 4 to integrally form the plurality of plates 5 in the same manner as the plate heat exchanger described above. Pressed and fixed.

A guide bar 16 serving as a guide member is provided at the bottom of the box 15 along the direction in which the plates 5 are arranged. The guide bar 16 is provided in a groove 17 provided on the lower side of the movable side plate 4 and the plate 5. The movable side plate 4 and the plate 5 are positioned in the width direction by engagement. The box 15 also serves as a drain pan, and has a drain port (not shown).

Further, in the present embodiment, the guide bar 16 is provided as a guide member.
It is also possible to use a as a guide member. Further, in this embodiment, the box 15 is formed to have an appropriate length, but this is for coping with the extension of the plate 5, and the number of the plate Any length is acceptable.

The operation of the above configuration will be described below.
When assembling the plate heat exchanger 11, the movable side plate 4 and the plurality of plates 5 are placed inside the box body 15, and the movable side plate 4 and the plate 5 are positioned in the width direction by the guide bar 16, and the stay bolt is provided. 6 and integrally press-fixed to form a flow path between the plates 5.

At the time of maintenance, the restraint by the stay bolts 6 is released, and the fluid remaining in the flow path between the plates 5 is discharged to the box 15 also serving as a drain pan by separating the adjacent plates 5 from each other. Pull upward.

At this time, there is no member for restricting the movable side plate 4 and the plate 5 from moving upward, and only the arbitrary plate 5 can be easily attached and detached without the movement of the other plates 5 as in the prior art. can do. In addition, since the plate 5 is moved up and down to be attached and detached, there is no need to provide a redundant portion for evacuating another plate 5 in the arrangement direction of the plate 5 for the purpose of attaching and detaching the plate 5 as in the conventional case. Since there is no need to provide a redundant space on the side, the size of the apparatus can be reduced and the installation space can be reduced.

By using the box body 15 as the load supporting member, the movable side plate 4 and the plate 5 can be stably supported by the bottom plate of the box body 15, and the side plate 15a of the box body 15 also serves as a guide member. Thereby, the structure can be simplified.

The load supporting member is not limited to the box 15, but can also be formed by an under bar 21 made of a rod or the like, as shown in FIG. Can also be formed by the side bar 22 disposed at the side.

Also, the guide member can be formed by the guide bar 16 without the guide bar 22. In this case, both the positioning and load support of the movable side plate 4 and the lower side of the plate 5 can be performed, and the structure is simplified.

[0023]

As described above, according to the present invention, there is no movable side plate placed on the load supporting member and no member for restricting the upward movement of the plate, and only an arbitrary plate can be easily attached and detached. can do. In addition, since there is no redundant portion in the load supporting member in the arrangement direction of the plates, and there is no need to provide a redundant space on the side of the device, the device can be reduced in size and the installation space can be reduced.

By using a box as the load supporting member,
The side plate of the box can be used also as a guide member and also as a drain pan, so that the structure can be simplified.

By forming the guide member with a side bar that engages with a groove provided on the lower side of the movable side plate and the plate, positioning of the movable side plate and the lower side of the plate and load support can be performed. The structure can be simplified.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a plate heat exchanger according to an embodiment of the present invention.

FIG. 2 is a view as viewed in the direction of arrows XX in FIG. 1;

FIG. 3 is a longitudinal sectional view of a plate heat exchanger according to another embodiment of the present invention.

FIG. 4 is an overall front view of a conventional plate heat exchanger.

FIG. 5 is an overall side view of a conventional plate heat exchanger.

FIG. 6 is a schematic diagram showing an operation in a conventional plate heat exchanger.

[Explanation of symbols]

 Reference Signs List 4 movable side plate 5 plate 11 plate heat exchanger 13 fixed side plate 15 box 16 guide bar

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) F28F 9/00 301 F28F 3/08 311 F28F 9/00 331

Claims (3)

(57) [Scope of request for utility model registration] 1. A fixed side plate is provided on one side of a main body frame, and a movable side plate is disposed opposite to the fixed side plate, and a flow path of a radiating fluid and a heat absorbing fluid is provided between the fixed side plate and the movable side plate. In a plate heat exchanger in which a plurality of plates are formed alternately,
A load supporting member is provided at a position facing the movable side plate and the bottom of the plate, and a guide member for locking the movable side plate and the plate in the width direction is provided in parallel with the load supporting member, and the load is supported by engaging the guide member. Element
Move the movable side plate and plate
A plate heat exchanger characterized by being provided so as to be movable in a direction . 2. A load supporting member, comprising :
The plate-type heat exchanger according to claim 1, wherein the heat exchanger is shaped like a letter, and the side plate is formed of a box that also serves as a guide member . 3. The plate heat exchanger according to claim 1, wherein the guide member is formed by a movable side plate and a side bar that engages with a groove provided on a lower side of the plate.