CN217032139U

CN217032139U - Plate heat exchanger convenient to installation

Info

Publication number: CN217032139U
Application number: CN202220605658.5U
Authority: CN
Inventors: 于鑫; 张枫; 韩志勇; 洪诗峣; 王思淇; 吴冰; 张筱
Original assignee: Huaneng Jilin Energy Sales Co ltd
Current assignee: Huaneng Jilin Energy Sales Co ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-07-22
Anticipated expiration: 2032-03-18

Abstract

The utility model relates to the technical field of preheating recovery, and particularly discloses a plate heat exchanger convenient to install, which comprises two limiting plates and a plurality of plates sequentially stacked between the limiting plates, wherein a plurality of clamping grooves are circumferentially formed in each limiting plate, the inner sides of the clamping grooves are larger than the openings of the clamping grooves, the outer end of one limiting plate is also communicated with a plurality of connecting pipes for connecting an external pipeline, a fixing component is arranged between the limiting plates and comprises a supporting rod and a positioning rod which can be clamped with the clamping grooves, a round hole is formed in one end, located on the inner side of each limiting plate, of each supporting rod, the fixing component further comprises a supporting column which is connected with the round hole in a sliding mode and used for connecting the positioning rod, a sealing gasket which is attached to the outer wall of each supporting column is fixedly connected to the end part of each round hole, a plurality of air outlet holes which are communicated with the inner cavity of each round hole are formed in one section of each supporting rod located in each limiting plate, the outer wall of each supporting rod is rotatably connected with a rotating ring which can seal the air outlet holes, and the problem that bolts and threaded rods for installing the traditional plate type limiting device can be fixed together due to corrosion is solved, resulting in inconvenient maintenance.

Description

Plate heat exchanger convenient to installation

Technical Field

The application relates to the technical field of preheating and recycling, and particularly discloses a plate heat exchanger convenient to install.

Background

The plate heat exchanger, as a high-efficient heat exchanger, receives a large amount of applications in every field, the plate heat exchanger that we usually use is stacked by several metal sheets with certain ripple shape, form the thin rectangular channel between various slab, carry on the heat exchange through slab and cooperating these thin rectangular channels, through this kind of structure, the plate heat exchanger has heat exchange efficiency high, heat loss is little, compact and light, floor area is little, employ extensively, characteristics such as the long service life of the compact structure;

but in plate heat exchanger's installation, need overlap the dress in proper order between two limiting plates with a plurality of slabs, then the bolt of rethread limiting plate circumference installation and the cooperation of threaded rod fix the distance between two limiting plates, but the threaded rod is at the in-process of using for a long time, can take place the condition of corrosion, and can fasten outside the limiting plate because of the corrosion of threaded rod with the bolt that the threaded rod was installed together, when needs are dismantled the slab and are carried out the maintenance to plate heat exchanger, it is difficult to take off the bolt.

The inventors have therefore in view of the above, provided a plate heat exchanger which is easy to install, in order to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that a traditional bolt and a threaded rod for mounting a plate-type limiter are fixed together due to corrosion, so that the maintenance is inconvenient.

In order to achieve the purpose, the basic scheme of the utility model provides a plate heat exchanger convenient to install, which comprises two limiting plates and a plurality of plates sequentially stacked between the limiting plates, wherein a plurality of clamping grooves are circumferentially formed in the limiting plates, the inner sides of the clamping grooves are larger than the openings of the clamping grooves, the outer end of one limiting plate is further communicated with a plurality of connecting pipes used for connecting external pipelines, a fixing assembly is arranged between the limiting plates and comprises a supporting rod and a positioning rod, the supporting rod can be clamped with the clamping grooves, a round hole is formed in one end, located at the inner side of the limiting plate, of the supporting rod, the fixing assembly further comprises a supporting column which is connected with the round hole in a sliding mode and used for connecting the positioning rod, a sealing gasket which is attached to the outer wall of the supporting column is fixedly connected to the end portion of the round hole, a plurality of air outlet holes which are communicated with the inner cavity of the round hole are formed in one section of the supporting rod, and a rotating ring which can seal the air outlet holes is rotatably connected to the outer wall of the supporting rod.

The principle and effect of this basic scheme lie in:

1. according to the utility model, the plates for heat exchange are respectively stacked between the two limiting plates, the circulation of water flow in the limiting plates is realized through the connecting pipes on the limiting plates on one side, and the connection and fixation of the limiting plates are realized through the fixing assemblies, so that the limiting plates are ensured not to generate relative displacement in the use process, and the plates arranged in the limiting plates are prevented from falling off in the use process.

2. The utility model achieves the purpose of fixing the limit plate by atmospheric pressure, controls the communication between the cavity inside the support rod and the outside air by rotating the rotating ring, when the rotating ring is rotated to open the air outlet, the supporting column can be moved, the relative position between the supporting rod and the supporting rod is preliminarily fixed through the connection of the supporting column and the positioning rod, then the rotating ring is reversed, the air outlet hole can be closed to prevent the air in the cavity of the support rod from being discharged and circulated, thus fixing the support column and the positioning rod, and the relative position between the support rod and the positioning rod, and the support rod and the positioning rod are clamped in the clamping groove and can not easily fall off, and the required threaded connecting pieces are not exposed, so that the conditions of corrosion and corrosion cannot occur, and the problem of inconvenient maintenance caused by the fact that the traditional bolt and the threaded rod for mounting the plate-type limiter are fixed together due to corrosion is solved.

According to the utility model, the sheets are stacked and assembled through the limiting plate, the limiting plate is fixedly positioned through the fixing assembly, the circulation of air in the inner cavity of the supporting rod is controlled through rotating the rotating ring, the displacement of the supporting column is limited through atmospheric pressure, and the required threaded connecting piece is not exposed, so that the situations of corrosion and corrosion can not occur, and the problem of inconvenient maintenance caused by the fact that the bolt and the threaded rod for mounting the traditional plate type limiter are fixed together due to corrosion is solved.

Furthermore, a support column is fixedly connected to one end, located on the inner side of the limiting plate, of the positioning rod, a threaded column is fixedly connected to the free end of the support column, and a meshing groove capable of being in threaded connection with the threaded column is formed in one end, located outside the circular hole, of the positioning column. Through threaded connection's support column and reference column, can further play fixed effect.

Furthermore, bolt heads are fixedly connected to one ends, located on the outer side of the limiting plate, of the positioning rods and the supporting rods. The support rod and the positioning rod can be further prevented from falling off from the clamping groove through the limiting of the bolt head.

Furthermore, the positioning rod and the supporting rod are in the same diameter, and the positioning column and the supporting column are in the same diameter. The positioning rods, the supporting rods, the positioning columns and the supporting columns are respectively in equal diameter, so that the installation and the use are convenient, and the processing is convenient.

Furthermore, a plurality of sealing gaskets which are attached to the outer wall of the support column are fixedly connected in the round hole. The provision of multiple sealing gaskets further increases the pressure required to move the support post, further preventing the support post from moving when secured.

Furthermore, the support column is located round hole one end and is the hemisphere arch. The hemispherical protrusions facilitate the movement of the support post within the circular hole.

Furthermore, the swivel is connected with an air pipe in a sliding manner, an internal thread is formed in the air pipe in an integrated manner, an external thread which can be meshed with the internal thread is arranged on the outer wall of the supporting rod, a plurality of air holes which can be communicated with the air outlet are formed in the air pipe, and a plurality of exhaust holes communicated with the outer wall of the air pipe are formed in the swivel. When the change takes place to rotate, the trachea in the change can reciprocate in the change because of the reason with change bar outer wall screw-thread fit, when the trachea removed air vent and venthole intercommunication, neither rotated the change again, can pull the support column and be connected with the locating lever this moment, when removing the support column, the outer air of round hole can be through exhaust hole, air vent and through the venthole enter into the round hole in, can balance inside and outside atmospheric pressure, accomplish the butt joint of locating lever and bracing piece.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 shows a schematic view of a plate heat exchanger for easy installation according to an embodiment of the present application;

fig. 2 shows a schematic diagram of a limiting plate of a plate heat exchanger convenient to mount according to an embodiment of the present application;

fig. 3 shows a schematic view of a support column of a plate heat exchanger for easy installation according to an embodiment of the present application;

fig. 4 is a schematic view illustrating a positioning column of a plate heat exchanger convenient to install according to an embodiment of the present application;

fig. 5 shows a schematic view of a swivel ring of a plate heat exchanger, which is convenient to install and proposed by an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: limiting plate 1, connecting pipe 2, draw-in groove 3, bolt head 4, bracing piece 5, locating lever 6, reference column 7, support column 8, support 9, external screw thread 10, venthole 11, seal ring 12, swivel 13, trachea 14, holding ring 15, guide bar 16.

An embodiment of a plate heat exchanger convenient to mount is shown in fig. 1 and comprises two limiting plates 1, wherein a plurality of plates are mounted between the limiting plates 1, the plates are stacked between the two limiting plates 1, the heat exchange function of the plate heat exchanger can be realized through the plurality of plates mounted between the limiting plates 1, and when the plates are stacked between the limiting plates 1, the relative positions of the two limiting plates 1 can be fixed;

as shown in fig. 1 and 2, a plurality of clamping grooves 3 are circumferentially formed in the end surface of each limiting plate 1, the inner sides of the clamping grooves 3 are larger than the openings of the clamping grooves 3, the inner sides of the clamping grooves 3 are rectangular and are rectangular grooves, a connecting pipe 2 is further respectively mounted on the end surface of each limiting plate 1 mounted at the front end, the limiting plates 1 are connected with external pipelines through the connecting pipes 2, water sources are exchanged through the connecting pipes 2 to realize heat exchange, a support 9 is mounted on the end surface of each limiting plate 1 at the rear end, the support 9 can ensure that the limiting plates 1 can stably stand on the ground after being mounted, and are not prone to toppling over, lifting plates are integrally formed at the top ends of the two limiting plates 1, grooves are formed in the lower ends of the limiting plates 1, and the limiting plates 1 can be mounted on auxiliary fixing blocks through the grooves to play a role in auxiliary transportation;

as shown in fig. 1, 3 and 4, the fixing component for connecting two limiting plates 1 comprises a supporting rod 5 and a positioning rod 6, the outer ends of the supporting rod 5 and the positioning rod 6 are welded with a bolt head 4, the diameters of the supporting rod 5 and the positioning rod 6 are the same, the supporting rod 5 and the positioning rod 6 can be placed in a rectangular groove inside the clamping groove 3, the free end of the supporting rod 5 is inwardly opened with a round hole, the free end of the positioning rod 6 is outwardly extended to form a positioning column 7, the diameter of the positioning column 7 is smaller than that of the positioning rod 6, the free end of the positioning column 7 is integrally formed with a threaded column, the supporting rod 5 is provided with a supporting column 8 through the round hole, the end of the supporting column 8 in the supporting rod 5 is hemispherical, the end of the supporting column 8 outside the supporting rod 5 is connected with the positioning column 7, and the diameter of the supporting column 8 is the same as that of the positioning column 7, the end part of the support column 8 is also provided with an engaging groove capable of being engaged with the threaded column, the free end of the support rod 5 is also bonded with a sealing washer 12, and the inner wall of the sealing washer 12 is attached to the outer wall of the support column 8 to play a role in sealing the inner cavity of the circular hole;

the section of the support rod 5 used in the utility model, which is positioned in the limiting plate 1, is also provided with a plurality of air outlet holes 11 communicated with the inner cavity of the round hole, the section of the support rod 5, which is positioned outside the air outlet holes 11, is uniformly formed with external threads 10, the outer sides of the external threads 10 of the support rod 5 are also respectively provided with a section of closed ring groove, and the support rod 5 is provided with a rotating ring 13 through the ring groove;

as shown in fig. 5, fig. 5 is a half-sectional view of a swivel 13, only a lower half portion of the swivel 13 is provided, an upper half portion and a lower half portion of the swivel 13 are symmetrical to each other, and have the same structure, four guide grooves are formed in an inner circumferential direction of the swivel 13, an air pipe 14 is installed through the guide grooves in the swivel 13, an inner side of the air pipe 14 is integrally formed with an inner thread engageable with the outer thread 10 of the swivel, and the air pipe 14 is formed with a plurality of vent holes communicating with the vent holes 11, and the swivel 13 is further formed with vent holes communicating with an outer wall of the air pipe 14, and the entire length of the guide grooves is longer than the length of the air pipe 14, so that when the swivel 13 is rotated, the air pipe 14 is restricted from moving in a horizontal direction due to sliding connection of the guide grooves and the guide rods 16, when the air pipe 14 and the swivel are rotated, the guide grooves are engaged by the screw connection, the air pipe 14 moves up and down in the guide grooves, and when the air pipe 14 moves to the vent holes to communicate with the vent holes 11, just no longer continue to rotate swivel 13, portable support post 8 contacts reference column 7 this moment, and with the screw thread post installation on the reference column 7 mesh inslot, when removing support post 8, the air outside the round hole can be through the exhaust hole, the air vent enters into in the round hole through venthole 11, then reverse swivel 13 again, until the air vent with venthole 11 intercommunication, can guarantee that the air of round hole intracavity can not leak, consequently, support post 8 can not take place to remove at the in-process that uses, can stabilize two limiting plates 1 all the time, and all not expose because of required threaded connection spare, can not corrode, the corrosion condition, it can be together fixed because of the corrosion to have solved traditional bolt and threaded rod for the installation of plate-type stopper, lead to the inconvenient problem of maintenance.

When the utility model is used, the plate sheets are respectively arranged between the two limit plates 1, then the support rod 5 and the positioning rod 6 are respectively arranged in the clamping groove 3 of the limit plates 1, then the rotating ring 13 is rotated, when the rotating ring 13 rotates, the air pipe 14 in the rotating ring 13 can move up and down in the rotating ring 13 due to the thread fit with the outer wall of the rotating rod, when the air pipe 14 moves to the vent hole and the vent hole 11, the rotating ring 13 is not rotated, at the moment, the support column 8 can be pulled to be contacted with the positioning column 7, when the support column 8 is moved, the air outside the round hole can enter the round hole through the vent hole and the vent hole 11, and the threaded column of the positioning column 7 can be screwed into the meshing groove of the support column 8, the butt joint of the positioning rod 6 and the support rod 5 is completed, so as to complete the fixing of the two limit plates 1, then the rotating ring 13 is rotated reversely, so that the vent hole 11 and the vent hole are mutually separated, thus the air in the inner cavity of the support rod 5 can be sealed, through the balance of the internal air pressure and the external air pressure, the supporting column 8 keeps the position and does not move any more.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. The utility model provides a plate heat exchanger convenient to installation, a serial communication port, including two limiting plates and a plurality of slab of piling up in proper order between the limiting plate, equal circumference is equipped with a plurality of draw-in grooves on the limiting plate, the draw-in groove inboard is greater than the draw-in groove opening, one side limiting plate outer end still communicates there is a plurality of connecting pipes that are used for connecting the outside pipeline, be equipped with fixed subassembly between the limiting plate, fixed subassembly includes bracing piece and the locating lever that can with the draw-in groove joint, the bracing piece is located the inboard one end of limiting plate and inwards is equipped with the round hole, fixed subassembly still includes with round hole sliding connection's and be used for the support column of connecting the locating lever, round hole tip rigid coupling has the seal ring with the laminating of support column outer wall, the bracing piece is located one section and is equipped with a plurality ofly and the venthole of round hole inner chamber intercommunication in the limiting plate, the rotation of bracing piece outer wall is connected with the change that can seal the venthole.

2. The plate heat exchanger convenient to mount as claimed in claim 1, wherein the positioning rod is fixed to a supporting column at one end of the positioning rod located inside the limiting plate, a threaded column is fixed to a free end of the supporting column, and an engaging groove capable of being in threaded connection with the threaded column is formed in one end of the positioning column located outside the circular hole.

3. The plate heat exchanger convenient to mount as claimed in claim 1, wherein the positioning rod and the supporting rod are fixedly connected with bolt heads at one end of the limiting plate outside.

4. A plate heat exchanger according to any one of claims 1 to 3, wherein the positioning rods and the supporting rods have the same diameter, and the positioning columns and the supporting columns have the same diameter.

5. A plate heat exchanger convenient to install according to claim 1, wherein a plurality of sealing gaskets attached to the outer walls of the supporting columns are also fixedly connected in the round holes.

6. A plate heat exchanger according to claim 5, wherein the support posts are arranged in the circular holes and are raised in the form of semi-spheres at one end.

7. The plate heat exchanger convenient to install according to claim 1, wherein the swivel is slidably connected with an air pipe, the air pipe is internally and integrally formed with an internal thread, the outer wall of the support rod is provided with an external thread capable of being meshed with the internal thread, the air pipe is provided with a plurality of air vents capable of being communicated with the air outlet, and the swivel is provided with a plurality of air vents communicated with the outer wall of the air pipe.