CN215491219U

CN215491219U - Novel spiral baffle heat exchanger

Info

Publication number: CN215491219U
Application number: CN202121739590.1U
Authority: CN
Inventors: 李大振
Original assignee: Hubei Huaqing Petrochemical Equipment Co ltd
Current assignee: Hubei Huaqing Petrochemical Equipment Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-01-11
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a novel spiral baffle plate heat exchanger, which comprises a shell, wherein both ends of the shell are fixedly connected with end covers, one end of the top of the shell is fixedly connected with a first fluid inlet, the other end of the top of the shell is fixedly connected with a first fluid outlet, a core pipe is arranged in the shell, a spiral baffle plate is fixedly connected with the outer side of the core pipe, a plurality of heat exchange pipes are inserted and arranged in the spiral baffle plate, one end of each heat exchange pipe is connected with a flow limiting valve and is fixedly connected with a flow distribution box, one side of the flow distribution box is fixedly connected with a second fluid inlet, the other end of each heat exchange pipe is connected with a flow collection box through a connecting piece, and the other side of the flow collection box is fixedly connected with a second fluid outlet. Therefore, the flow velocity of the medium at each position in the heat exchanger is more stable, and the heat exchange efficiency is higher.

Description

Novel spiral baffle heat exchanger

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a novel spiral baffle plate heat exchanger.

Background

With the rapid development of economy and industry, countries in the world face the problem of energy shortage, so how to efficiently utilize the existing energy is the focus of increasing attention of people in each country. The heat exchanger is energy-saving equipment for realizing heat transfer between materials between two or more than two fluids with different temperatures, is used for transferring heat from a higher fluid to a lower-temperature fluid, and is one of main equipment for improving the energy utilization rate. At present, the heat exchanger which is widely applied is a spiral baffle heat exchanger. The spiral baffle plate in the spiral baffle plate heat exchanger can enable fluid in the shell pass of the heat exchanger to flow spirally, heat exchange efficiency can be effectively enhanced, flow dead zones at corners of the baffle plate are reduced, and scaling is inhibited.

However, the existing spiral baffle heat exchanger is inconvenient to mount and dismount, the heat exchange is not uniform enough, and the heat exchange efficiency is still low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel spiral baffle plate heat exchanger to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a novel spiral baffling board heat exchanger, which comprises an outer shell, the equal fixedly connected with end cover in shell both ends, the fixed sealed pad that is provided with between shell and the end cover, shell top one end fixedly connected with fluid entry, another end fixedly connected with fluid export, install the core pipe in the shell, the core pipe comprises two halfcylinders, fixedly connected with spiral baffling board on the halfcylinder cambered surface, alternate in the spiral baffling board and install a plurality of heat exchange tubes, heat exchange tube one end is passed through the connecting piece and is connected fixedly with the restriction valve, the input of restriction valve passes through the connecting pipe and is connected fixedly with the reposition of redundant personnel case, reposition of redundant personnel case one side fixedly connected with fluid enters the mouth, the heat exchange tube other end passes through the connecting piece and is connected with the mass flow case, mass flow case opposite side fixedly connected with fluid exports two.

As a further scheme of the utility model: the end cover is fixedly connected with the shell through a fixing bolt, and threaded holes corresponding to the fixing bolt are formed in the shell and the end cover.

As a still further scheme of the utility model: and one side of the connecting surface of the semi-cylinder is fixedly connected with a connecting column, and the other side of the connecting surface of the semi-cylinder is provided with a connecting groove corresponding to the connecting column.

As a still further scheme of the utility model: and sealing cushions are fixedly connected to the connecting surface of the semi-cylinder and the connecting surface of the spiral baffle plate.

As a still further scheme of the utility model: the two ends of the semi-cylinders are fixedly connected with fixing plates, two fixing holes are formed in the fixing plates, and the fixing plates corresponding to the two semi-cylinders are fixedly connected through fixing bolts.

As a still further scheme of the utility model: the spiral baffle plate is in a continuous spiral plate shape after being spliced and assembled, a through hole corresponding to the heat exchange tube is arranged in the spiral baffle plate, two ends of the heat exchange tube penetrate through the end cover, and the through hole corresponding to the heat exchange tube is arranged on the end cover.

As a still further scheme of the utility model: the heat exchange tube is detachably connected with a plurality of flow guide rings, each flow guide ring is composed of two half rings, the two ends of each half ring are fixedly connected with magnets, one end of each magnet is protruded, and the other end of each magnet is provided with a groove matched with the magnet.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has simple structure, the spiral baffle plate and the core pipe are assembled by two parts, are inserted by the connecting column and are further fixed by the bolt, and are easy to assemble, the sealing cushion is arranged on the connecting surface of the semicircular pipe and the spiral baffle plate, so that the sealing performance of the baffle assembly is improved, fluid is prevented from passing through a gap when flowing on the spiral baffle plate, the heat transfer effect is enhanced, the arranged guide ring can prevent the medium entering the heat exchanger from deviating to the shell of the heat exchanger due to the action of centrifugal force when the medium spirally flows along the spiral baffle plate, thereby ensuring that the flow velocity of the medium at each position in the heat exchanger is more stable and the heat exchange efficiency is higher, and the flow guide ring is fixed by the attraction of the two semi-rings through the magnet, thereby being convenient for disassembly and assembly, the flow of fluid in each heat exchange tube is uniform through the arranged flow limiting valve, so that the heat exchange efficiency is higher.

Drawings

Fig. 1 is a schematic view of a novel spiral baffle heat exchanger in a front sectional structure.

Fig. 2 is a schematic side view of the distribution of heat exchange tubes in a novel spiral baffle heat exchanger in a shell.

Fig. 3 is an enlarged schematic structural diagram of a in a novel spiral baffle heat exchanger.

Fig. 4 is an enlarged schematic structural view of a flow guide ring in a novel spiral baffle heat exchanger.

In the figure: the device comprises a shell 1, an end cover 2, a sealing gasket 3, a first fluid inlet 4, a first fluid outlet 5, a semi-cylinder 6, a connecting column 7, a connecting groove 8, a spiral baffle plate 9, a sealing soft cushion 10, a fixing plate 11, a heat exchange tube 12, a flow guide ring 13, a flow limiting valve 14, a flow dividing box 15, a second fluid inlet 16, a collecting box 17 and a second fluid outlet 18.

Detailed Description

The technical solution 0 in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not a whole embodiment. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, in the embodiment of the present invention, a novel spiral baffle plate heat exchanger includes a housing 1, and is characterized in that both ends of the housing 1 are fixedly connected with end caps 2, the end caps 2 are connected and fixed with the housing 1 through fixing bolts, the housing 1 and the end caps 2 are respectively provided with a threaded hole corresponding to the fixing bolts, a sealing gasket 3 is fixedly arranged between the housing 1 and the end caps 2, one end of the top of the housing 1 is fixedly connected with a fluid inlet 4, the other end of the top of the housing 1 is fixedly connected with a fluid outlet 5, a core tube is installed in the housing 1, the core tube is composed of two half cylinders 6, one side of a connecting surface of each half cylinder 6 is fixedly connected with a connecting column 7, the other side of the connecting surface of each half cylinder 6 is provided with a connecting groove 8 corresponding to the connecting column 7, a spiral baffle plate 9 is fixedly connected to an arc surface of the half cylinder 6, and a sealing cushion 10 is fixedly connected to the connecting surface of the spiral baffle plate 9, increased the leakproofness of baffling subassembly, can follow the clearance when preventing that the fluid from flowing on the spiral baffling board and pass, the heat transfer effect has been strengthened, 6 both ends fixedly connected with fixed plate 11 of semicircle tube, be provided with two fixed orificess on the fixed plate 11, it is fixed to connect through fixing bolt between two corresponding fixed plates 11 of semicircle tube 6, two spiral baffling boards 9 concatenation are assembled into spiral platelike, spiral baffling board 9 and core pipe are formed by two parts equipment, peg graft through spliced pole 7, further fix by the bolt, easily assemble.

A plurality of heat exchange tubes 12 are inserted and installed in the spiral baffle plate 9, through holes corresponding to the heat exchange tubes 12 are arranged in the spiral baffle plate 9, two ends of each heat exchange tube 12 penetrate through the end cover 2, through holes corresponding to the heat exchange tubes 12 are arranged on the end cover 2, a plurality of flow guide rings 13 are detachably connected on the heat exchange tubes 12, so that when a medium entering the heat exchanger flows spirally along the spiral baffle plate 9, the medium can be prevented from deviating to the heat exchanger shell 1 due to the action of centrifugal force under the action of the flow guide rings 13, the flow velocity of the medium at each position in the heat exchanger is more stable, the heat exchange efficiency is higher, each flow guide ring 13 consists of two half rings, two ends of each half ring are fixedly connected with a magnet, one end of each half ring is convexly arranged, the other end of each half ring is provided with a matched groove, the disassembly and installation are convenient, one end of each heat exchange tube 12 is fixedly connected with the flow limiting valve 14 through a connecting piece, and the flow of the fluid in each heat exchange tube is uniform, the heat exchange efficiency is higher, the input end of the flow limiting valve 14 is fixedly connected with the flow dividing box 15 through a connecting pipe, one side of the flow dividing box 15 is fixedly connected with a second fluid inlet 16, the other end of the heat exchange tube 12 is connected with a collecting box 17 through a connecting piece, and the other side of the collecting box 16 is fixedly connected with a second fluid outlet 18.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A novel spiral baffle plate heat exchanger comprises a shell (1) and is characterized in that end covers (2) are fixedly connected to the two ends of the shell (1), a sealing gasket (3) is fixedly arranged between the shell (1) and the end covers (2), a first fluid inlet (4) is fixedly connected to one end of the top of the shell (1), a first fluid outlet (5) is fixedly connected to the other end of the top of the shell (1), a core pipe is installed in the shell (1) and consists of two half cylinders (6), a spiral baffle plate (9) is fixedly connected to the cambered surface of each half cylinder (6), a plurality of heat exchange pipes (12) are inserted and installed in each spiral baffle plate (9), one ends of the heat exchange pipes (12) are fixedly connected with a flow limiting valve (14) through connecting pieces, the input end of the flow limiting valve (14) is fixedly connected with a flow distribution box (15) through a connecting pipe, a second fluid inlet (16) is fixedly connected to one side of the flow distribution box (15), the other end of the heat exchange tube (12) is connected with a collecting box (17) through a connecting piece, and the other side of the collecting box (17) is fixedly connected with a second fluid outlet (18).

2. A novel spiral baffle plate heat exchanger as claimed in claim 1, wherein the end cover (2) is fixedly connected with the shell (1) through a fixing bolt, and threaded holes corresponding to the fixing bolt are arranged on the shell (1) and the end cover (2).

3. A novel spiral baffle plate heat exchanger according to claim 1, wherein the connecting column (7) is fixedly connected to one side of the connecting surface of the semi-cylinder (6), and the connecting groove (8) corresponding to the connecting column (7) is arranged on the other side.

4. A novel spiral baffle plate heat exchanger according to claim 3, characterized in that the connection surface of the semi-cylinder (6) and the connection surface of the spiral baffle plate (9) are both fixedly connected with sealing soft pads (10).

5. A novel spiral baffle plate heat exchanger as claimed in claim 4, wherein the two ends of the semi-cylinders (6) are fixedly connected with fixing plates (11), the fixing plates (11) are provided with two fixing holes, and the fixing plates (11) corresponding to the two semi-cylinders (6) are fixedly connected through fixing bolts.

6. The novel spiral baffle plate heat exchanger as claimed in claim 1, wherein the spiral baffle plate (9) is in a continuous spiral plate shape after being spliced and assembled, a through hole corresponding to the heat exchange tube (12) is arranged in the spiral baffle plate (9), two ends of the heat exchange tube (12) pass through the end cover (2), and the end cover (2) is provided with a through hole corresponding to the heat exchange tube (12).

7. A novel spiral baffle heat exchanger as claimed in claim 1, wherein the heat exchange tube (12) is detachably connected with a plurality of guide rings (13), each guide ring (13) is composed of two half rings, magnets are fixedly connected to both ends of each half ring, wherein the magnets at one end are protruded, and the magnets at the other end are provided with matched grooves.