CN218469636U

CN218469636U - Vertical jacket water heat exchanger

Info

Publication number: CN218469636U
Application number: CN202221629423.6U
Authority: CN
Inventors: 刘一凡; 孙海生; 于啸; 郝开开; 闵怀玉; 李璇旋; 姚炜莹; 单林杰; 齐兴
Original assignee: MACHINERY INDUSTRY LANZHOU PETROLEUM CHEMICAL EQUIPMENT INSPECTION OFFICE CO LTD; Shanghai Lanbin Petrochemical Equipment Co Ltd; Lanpec Technologies Ltd
Current assignee: MACHINERY INDUSTRY LANZHOU PETROLEUM CHEMICAL EQUIPMENT INSPECTION OFFICE CO LTD; Shanghai Lanbin Petrochemical Equipment Co Ltd; Lanpec Technologies Ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2023-02-10
Anticipated expiration: 2032-06-28

Abstract

A vertical jacket water heat exchanger comprises a heat exchange plate bundle, a circulating upper water pipe box, a circulating lower water pipe box and a jacket water pipe box, wherein a pressing plate is arranged on the outer side of the heat exchange plate bundle, the pressing plate clamps and fixes the heat exchange plate bundle through a tensioning mechanism, the circulating upper water pipe box is arranged at the upper end of the heat exchange plate bundle, the circulating lower water pipe box is arranged at the lower end of the heat exchange plate bundle, the jacket water pipe box is arranged below the side of the heat exchange plate bundle, an upper cover plate of the circulating upper water pipe box is detachably connected, and a lifting lug is arranged on the outer surface of the upper cover plate; a circulating water inlet connecting pipe is arranged on the side wall of the circulating water upper pipe box; and a manhole and a circulating water outlet connecting pipe are arranged on the circulating underwater pipe box. The utility model discloses can solve and can dismantle plate heat exchanger slab dismouting difficulty, reliability low, full welding plate heat exchanger can't wash, maintain to the pencil, the big problem of the installation degree of difficulty.

Description

Vertical jacket water heat exchanger

Technical Field

The utility model relates to a heat exchanger design and manufacturing technical field especially relate to a vertical cover water heat exchanger that presss from both sides.

Background

Plate heat exchangers are widely used in jacketed water cooling stations due to their high heat transfer coefficient, small footprint, and other characteristics. However, according to the reports of "analysis and suggestion on operation of jacket water cooler E208 of polypropylene apparatus", a detachable plate type jacket water cooler adopted by a certain polypropylene apparatus is easy to generate scaling and blockage after being operated for a period of time due to poor water quality at the circulating water side and possibly carrying impurities such as plastics, stones and the like, and needs to be detached and cleaned periodically to ensure stable operation of the apparatus. As the general flow of the jacket water is larger, a plurality of large detachable plate heat exchangers are required to be connected in parallel and operate simultaneously to meet the heat exchange requirement. The plates of these devices tend to be large in size and the number of installations is large. The following defects exist in the process of equipment maintenance: the ultra-large plate is time-consuming and labor-consuming to disassemble, a large number of sealing gaskets need to be replaced every time the plate is disassembled, and the maintenance cost is high; the assembly precision requirement of the plate and the gasket is high, secondary disassembly is needed if the primary hydrostatic test is unqualified, and the overhaul period is not well guaranteed; repeated disassembly and assembly also has the risk of deformation of the plate, so that the reliability of the equipment is lower and lower, and the long-period stable operation of the device is influenced.

With the development of the plate heat exchanger technology, the welded plate heat exchanger has gradually replaced the detachable plate heat exchanger on a plurality of stations by the advantages of high pressure bearing, wide temperature resistance, wider applicable medium and the like. The patent 'a wide runner welded plate type slurry cooler (CN 209263730U)' improves the problem that a medium on one side in the industries of metallurgy, alcohol and the like contains a large amount of solid particles or fiber suspended matters and is easy to block to a certain extent by using the wide runner plate structure. However, as the equipment does not have a detachable cover plate, once leakage or blockage occurs, the heat exchange plate bundle cannot be maintained or mechanically cleaned, and only the upper and lower tube boxes can be destructively disassembled, so that the maintenance cost and the construction period are increased, and even the risk of equipment scrapping exists; on the other hand, the supporting structure needs to be additionally provided with a steel structure platform or a concrete pillar on site, the installation structure is complex, and the investment of the device is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a vertical jacket water heat exchanger to the solution can be dismantled plate heat exchanger slab dismouting difficulty, the reliability is low, and full weld plate heat exchanger can't wash, maintain to the pencil, the big problem of the installation degree of difficulty.

The utility model adopts the technical proposal that:

a vertical jacket water heat exchanger comprises a heat exchange plate bundle, a circulating upper water pipe box, a circulating lower water pipe box and a jacket water pipe box, wherein a pressing plate is arranged on the outer side of the heat exchange plate bundle, the pressing plate clamps and fixes the heat exchange plate bundle through a tensioning mechanism, the circulating upper water pipe box is arranged at the upper end of the heat exchange plate bundle, the circulating lower water pipe box is arranged at the lower end of the heat exchange plate bundle, the jacket water pipe box is arranged below the side of the heat exchange plate bundle, an upper cover plate of the circulating upper water pipe box is detachably connected, and a lifting lug is arranged on the outer surface of the upper cover plate; a circulating water inlet connecting pipe is arranged on the side wall of the circulating water upper pipe box; and a manhole and a circulating water outlet connecting pipe are arranged on the circulating underwater pipe box.

The manholes are symmetrically arranged on two sides of the circulating underwater pipe box.

The manhole is rectangular.

Rectangle the side plate upwards slopes to set up on the pipe case of manhole, side plate downward sloping sets up under the pipe case, is the toper that expands outward.

And a liquid outlet is formed in the bottom of the circulating underwater pipe box.

The bottom of the pressing plate is provided with a bending part which is used as a support of the device.

Compared with the prior art, the beneficial effects of the utility model are that: an all-welded plate bundle structure is adopted, and the plate is not required to be disassembled for cleaning and maintenance; circulating water flows in and out from the top, impurities in the water can fall in the lower pipe box along with the flow direction of the medium and the action of gravity, so that a flow passage is not easy to block and the cleaning is convenient; the circulating water upper pipe box is provided with an upper cover plate, the circulating water lower pipe box is provided with a manhole, and the plate bundle can be cleaned and maintained regularly; the cover plate is not provided with a connecting pipe, and all the cover plates can be opened on the premise of not being lifted away from the station and not moving the pipeline; the manhole cover is provided with a handle and a hinge, and can be opened by a single person without the help of a hoisting mechanism; the double manholes are symmetrically arranged and the upper side plate of the manhole pipe box inclines upwards, so that workers can stand on the ground and have no blind area when observing and cleaning the heat exchange plate bundle; the lower side plate of the manhole pipe box is downward inclined, so that liquid is not easy to accumulate; the pressing plate adopts a self-supporting design, can be used as a support of equipment, and has compact structure and convenient installation.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a sectional view of the structure and a medium flow diagram of the present invention;

fig. 3 is a sectional view of the manhole pipe box of the present invention;

in the figure: 1. a circulating water header tank; 11. an upper cover plate; 111. lifting lugs; 12. a circulating water inlet connecting pipe; 2. pressing a plate; 21. ground feet; 3. a tensioning mechanism; 4. a jacket water pipe box; 41. a jacket water inlet connection pipe; 42. a jacket water outlet connection pipe; 5. circulating the underwater pipe box; 51. a circulating water outlet connecting pipe; 52. a manhole; 521. a handle; 522. folding; 523. an upper side plate of the pipe box; 524. a lower side plate of the pipe box; 53. a liquid discharge port; 6. a heat exchange plate bundle; A. circulating water; B. water was jacketed.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 and 2, a vertical jacket water heat exchanger mainly includes a heat exchange plate bundle 6, a circulating upper water header 1, a circulating lower water header 5, and a jacket water tube tank 4. The outer side of the heat exchange plate bundle 6 is provided with a pressing plate 2, the pressing plate 2 clamps and fixes the heat exchange plate bundle 6 through a tensioning mechanism 3, and when the plate is pressed internally, the pressing plate 2 is a main pressure-bearing member. The tensioning means 3 can be either a clamping stud or a draw bar. The circulating upper water pipe box 1 is arranged at the upper end of the heat exchange plate bundle 6, the circulating lower water pipe box 5 is arranged at the lower end of the heat exchange plate bundle 6, the jacket water pipe box 4 is arranged below the side of the heat exchange plate bundle 6, an upper cover plate 11 of the circulating upper water pipe box 1 is detachably connected, and a lifting lug 111 is arranged on the outer surface of the upper cover plate 11; a circulating water inlet connecting pipe 12 is arranged on the side wall of the circulating water upper pipe box 1; the circulating underwater pipe box 5 is positioned at the lower end of the heat exchange plate bundle 6, and is provided with a manhole 52 and a circulating water outlet connecting pipe 51.

Circulating water A adopts the structure of going into from top to bottom in above-mentioned structure, and the purpose makes dirt such as silt, iron rust fall in circulating underwater pipe case 5 along with medium flow direction and action of gravity, is difficult for blockking up the runner and convenient clearance.

In order to clean and maintain the heat exchange plate bundle 6, an upper cover plate 11 which is detachably connected is arranged at the upper part of the circulating water upper pipe box 1, and a lifting lug 111 is arranged on the upper cover plate; when cleaning or maintenance is required from the upper part of the equipment, the upper cover plate 11 can be lifted without detaching the circulating water inlet connecting pipe 12, and the upper end part of the heat exchange plate bundle 6 can be cleaned.

Rectangular manholes 52 are formed in two sides of the circulating underwater pipe box, and a handle 521 and a hinge 522 are arranged on a manhole cover plate. When cleaning or maintenance is needed from the lower part of the equipment, the lower end part of the heat exchange plate bundle 6 can be cleaned through the manhole 52 under the condition that the circulating water outlet connecting pipe 51 is not detached, the manhole cover plate can be opened by a single person due to the arrangement of the handle 521 and the hinge 522, and a worker can perform cleaning operation by standing on the ground due to the fact that the manhole 52 is arranged at the height of about 1.68 meters away from the ground. When the equipment leaks, workers can also enter the equipment to repair the end welding seams or seal the plate pipes.

As shown in fig. 3, the manholes 52 are symmetrically arranged on both sides of the circulating underwater pipe box 5, and the manholes 52 are rectangular, wherein an upper pipe box side plate 523 of the rectangular manholes 52 is inclined upward, and a lower pipe box side plate 524 is inclined downward and is tapered outward. The visual field blind areas can be reduced to the maximum extent, and in addition, the two manholes 52 are symmetrically arranged on two sides of the circulating underwater tube box, so that the lower end of the heat exchange plate bundle 6 can be observed and cleaned without dead angles. Meanwhile, the lower side plate 524 of the manhole pipe box is arranged in a downward inclined mode, and therefore the possibility of liquid accumulation of the manhole pipe box can be reduced to the greatest extent.

The bottom of the circulating underwater pipe box 5 is provided with a liquid outlet 53, so that accumulated liquid in the pipe box can be conveniently discharged.

The bottom of the pressing plate 2 is provided with a bending part 21 as a support of the equipment, so that the equipment is compact in structure and convenient to install.

Correspondingly, in order to make the circulating water A and the jacket water B flow in a pure countercurrent mode with good heat exchange effect, a jacket water inlet connecting pipe 41 is arranged below the side of the heat exchange plate bundle 6, and a jacket water outlet connecting pipe 42 is arranged above the side of the heat exchange plate bundle 6. The jacket water inlet connection 41 and the jacket water outlet connection 42 can be arranged on opposite sides or on the same side of the heat exchanger plate bundle 6.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a vertical jacket water heat exchanger, includes that the heat transfer board is restrainted, the case is managed on the circulation water, the case is managed under the circulation water and is pressed from both sides the water pipe case, the heat transfer board is restrainted the outside and is equipped with the clamp plate, and this clamp plate is restrainted through the fixed heat transfer board of straining device centre gripping, and the case is installed in the heat transfer board and is restrainted the upper end on the circulation water, and the case is installed in the heat transfer board and restraints the lower extreme under the circulation water, presss from both sides the jacket water pipe case and installs in the side below that the heat transfer board was restrainted, its characterized in that: an upper cover plate (11) of the circulating water header (1) is detachably connected, and a lifting lug (111) is arranged on the outer surface of the upper cover plate (11); a circulating water inlet connecting pipe (12) is arranged on the side wall of the circulating water upper pipe box (1); and a manhole (52) and a circulating water outlet connecting pipe (51) are arranged on the circulating underwater pipe box (5).

2. A vertically jacketed water heat exchanger according to claim 1, characterised in that the manholes (52) are symmetrically arranged on both sides of the circulating submerged pipe box (5).

3. A vertically jacketed water heat exchanger according to claim 2 wherein the manway (52) is rectangular.

4. The water heat exchanger of claim 3, wherein the rectangular manhole (52) has an upper side plate (523) inclined upward and a lower side plate (524) inclined downward and tapered outward.

5. A vertically jacketed water heat exchanger according to claim 1, characterised in that the bottom of the circulating submerged pipe box (5) is provided with a drain (53).

6. A vertically jacketed water heat exchanger according to any one of claims 1 to 5, characterised in that the pressure plates (2) are provided with bends (21) at their base for supporting the apparatus.