CN115420121A - A high-pressure high-efficiency heat exchanger - Google Patents

Abstract

The invention discloses a high-pressure high-efficiency heat exchanger, which comprises a plurality of casing pipes arranged vertically and equidistantly, serpentine inner pipes sequentially pierced inside the casing pipes, and a plurality of connecting pipes connecting two adjacent casing pipes. The inner tube is covered with a mounting frame that can move in the horizontal direction, the inner wall of the mounting frame is fixedly connected with a scraper ring, the scraper ring is in contact with the inner tube, and one side of the mounting frame is fixedly connected with a connecting rod , the outer wall of the casing is fixedly installed with a driving assembly for driving the connecting rod to move horizontally. In the present invention, a driving assembly, a connecting rod, a mounting frame and a scraper ring are used to start the motor, drive the screw to rotate, the screw drives the threaded block to move, the threaded block drives the connecting frame to move horizontally, and the connecting frame drives the connecting rod to move horizontally, so that the installation The frame slides on the inner tube, so as to realize the purpose of cleaning the surface of the inner tube by the scraper ring, remove the scale on the surface, thereby improving the heat exchange efficiency and promoting the heat exchange of cold and hot media.

Description

A high-pressure high-efficiency heat exchanger

technical field

The invention relates to the technical field of heat exchanger devices, in particular to a high-pressure high-efficiency heat exchanger.

Background technique

A heat exchanger is a device that transfers part of the heat of a hot fluid to a cold fluid, also known as a heat exchanger. Heat exchangers play an important role in chemical, petroleum, power, food and many other industrial productions. Heat exchangers are generally divided into plate heat exchangers and shell-and-tube heat exchangers. Shell-and-tube heat exchangers are used in petroleum, chemical, and In light industry, power, medicine, refrigeration, air conditioning and other fields, it is widely used in the processes of evaporation, condensation, heating, cooling and freezing of various materials. It is a large-scale and wide-ranging heat exchange equipment. Its main Thermal elements are heat transfer tubes of various diameters and materials, mainly through the surface of the tube wall for heat exchange.

However, after the traditional heat exchange tube has been used for a long time, due to the factors of the fluid medium itself, there will be more scale on the surface of the tube wall, which will affect the heat exchange between the cold and hot media, resulting in low heat exchange efficiency.

Contents of the invention

(1) Solved technical problems

Aiming at the deficiencies in the prior art, the present invention provides a high-pressure high-efficiency heat exchanger, which solves the problems raised in the above-mentioned background technology.

(2) Technical solution

In order to achieve the above purpose, the present invention is achieved through the following technical solutions: a high-pressure high-efficiency heat exchanger, including a plurality of casing pipes arranged vertically and equidistantly, serpentine inner pipes sequentially pierced inside the casing pipes, multiple A connecting pipe connecting two adjacent casing pipes, the inner pipe is covered with a mounting bracket that can move in the horizontal direction, and the inner wall of the mounting frame is fixedly connected with a scraping ring, and the scraping ring is in contact with the inner pipe;

One side of the mounting bracket is fixedly connected with a connecting rod, and the outer wall of the casing is fixedly installed with a driving assembly for driving the horizontal movement of the connecting rod.

Preferably, the drive assembly includes two connection blocks fixed on the outer wall of the casing, one end of the connection block is fixedly connected to a motor, the output end of the motor is fixedly connected to a screw, and the other end of the screw is rotatably inserted Inside the connecting block, a threaded block is sheathed on the screw rod, the upper end of the threaded block is fixedly connected with a connecting frame, and one end of the connecting frame is fixedly connected with the connecting rod.

Preferably, the connection between the connecting rod and the sleeve is sealed, and the connecting rod is in the shape of a round rod.

Preferably, the uppermost casing is connected with a liquid inlet pipe, and the lowermost casing is connected with a liquid outlet pipe.

Preferably, a dirt collection assembly is provided at the outlet pipe, and the dirt collection assembly includes a sleeve inserted in the outlet pipe, a filter screen arranged inside the sleeve, and a pull plate fixed at one end of the sleeve.

Preferably, the side wall of the outlet pipe is fixedly connected with two symmetrically arranged studs, and the nuts are sleeved on the studs.

Preferably, a bracket is fixedly connected to the inner wall of the casing, and a port is opened inside the bracket, and a rotating shaft is inserted into the port for rotation, and a plurality of circumferentially arranged baffles are fixedly connected to the rotating shaft.

Preferably, an opening is opened on the installation frame.

(3) Beneficial effects

The invention provides a high-pressure high-efficiency heat exchanger, which has the following beneficial effects:

1. In the present invention, the drive assembly, connecting rod, mounting frame and scraper ring are used to start the motor, drive the screw to rotate, the screw drives the threaded block to move, the threaded block drives the connecting frame to move horizontally, and the connecting frame drives the connecting rod to move horizontally, The installation frame slides on the inner tube, so as to realize the purpose of cleaning the surface of the inner tube by the scraper ring and remove the scale on the surface, thereby improving the heat exchange efficiency and promoting the heat exchange of cold and hot media.

2. In the present invention, the sleeve and the filter screen can be used to intercept and collect the scale impurities of the flushing and blanking, and allow the liquid to pass through. After a period of time, the sleeve is removed from the liquid outlet pipe to realize the protection of the filter screen. Clean up, remove internal dirt, ensure normal use, prevent clogging, and achieve the purpose of installing the socket through the cooperation of bolts and studs.

3. In the present invention, the use of brackets, shafts, baffles and ports can achieve the purpose of slowing down the liquid flow rate, thereby fully realizing the heat exchange between hot and cold fluids, increasing the time for heat exchange, and realizing heat exchange efficiently Work.

Description of drawings

Fig. 1 is the front view three-dimensional structural diagram of a kind of high-pressure high-efficiency heat exchanger proposed by the present invention;

Fig. 2 is a rear view three-dimensional structure diagram of a high-pressure high-efficiency heat exchanger proposed by the present invention;

Fig. 3 is a side sectional structural diagram of a high-pressure high-efficiency heat exchanger proposed by the present invention;

Fig. 4 is the enlarged structural diagram of A place in Fig. 1;

Fig. 5 is an enlarged structure diagram at B of Fig. 3;

Fig. 6 is a front view sectional structural diagram of a high-pressure high-efficiency heat exchanger proposed by the present invention;

Fig. 7 is an enlarged structure diagram at C of Fig. 6;

Fig. 8 is a top view cross-sectional structure diagram of a liquid discharge pipe of a high-pressure high-efficiency heat exchanger proposed by the present invention.

In the figure: 1. Sleeve; 2. Inner pipe; 3. Liquid inlet pipe; 4. Liquid outlet pipe; 5. Drive assembly; 51. Thread block; 52. Screw rod; 53. Connection block; , connection frame; 6, pull plate; 7, socket sleeve; 8, stud; 9, nut; 10, filter screen; 11, installation frame; 12, scraping ring; 13, opening; 14, connecting pipe; 15, bracket ; 16, rotating shaft; 17, baffle plate; 18, port; 19, connecting rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them.

Please refer to Fig. 1 to Fig. 8, the present invention provides a technical solution: a high-pressure high-efficiency heat exchanger, including a plurality of casing pipes 1 arranged vertically and equidistantly, serpentine-shaped Inner pipe 2 (the diameter of inner pipe 2 is smaller than the diameter of sleeve pipe 1, and the central axis of inner pipe 2 and sleeve pipe 1 is coincidently arranged), a plurality of connecting pipes 14 that communicate with two adjacent sleeve pipes 1 (for connecting The two adjacent sleeve pipes 1 are connected), the inner pipe 2 is covered with a mounting frame 11 that can move in the horizontal direction, and the inner wall of the mounting frame 11 is fixedly connected with a scraper ring 12, and the scraper ring 12 is in contact with the inner pipe 2 (horizontal The moving scraping ring 12 can clean the dirt that has been stored on the surface of the inner tube 2 for a long time), the installation frame 11 is provided with an opening 13, and the opening 13 is set to discharge the liquid medium, so as to avoid blocking the flow direction of the liquid medium when the installation frame 11 moves , to achieve the purpose of diversion, through the movable mounting frame 11, the scraper ring 12 is driven to move, so that the scraper ring 12 scrapes the surface of the inner tube 2 to remove the dirt on the surface wall of the inner tube 2, so that the liquid medium on both sides can be sufficient heat exchange;

One side of the mounting frame 11 is fixedly connected with a connecting rod 19, and the outer wall of the casing 1 is fixedly installed with a driving assembly 5 for driving the horizontal movement of the connecting rod 19. The driving assembly 5 is started, and the mounting frame 11 is driven to move through the connecting rod 19, thereby realizing this. The horizontal movement of the scraper ring 12 cleans the surface of the inner tube 2 .

The driving assembly 5 includes two connecting blocks 53 fixed on the outer wall of the casing 1, one end of the connecting block 53 is fixedly connected with a motor 54, the output end of the motor 54 is fixedly connected with a screw rod 52, and the other end of the screw rod 52 is rotatably inserted into the connecting block 53 inside, screw rod 52 is provided with threaded block 51, and the upper end of threaded block 51 is fixedly connected with connecting frame 55, and one end of connecting frame 55 is fixedly connected with connecting rod 19, and the joint of connecting rod 19 and sleeve pipe 1 is sealed and set, connected The rod 19 is in the shape of a round rod.

When descaling, at first start motor 54, drive screw mandrel 52 to rotate, screw mandrel 52 drives threaded block 51 motions, threaded block 51 drives connecting frame 55 horizontal motions, connecting frame 55 drives connecting rod 19 horizontal motions, makes installation frame 11 in Sliding on the inner tube 2, so as to achieve the purpose of cleaning the surface of the inner tube 2 by the scraper ring 12, and remove the scale on the surface, thereby improving the heat exchange efficiency and promoting the heat exchange of cold and hot media.

The uppermost sleeve pipe 1 is communicated with a liquid inlet pipe 3, and the lowermost sleeve pipe 1 is communicated with a liquid outlet pipe 4.

The hot medium enters from the top of the liquid inlet pipe 3, then passes through multiple casings 1, and is discharged through the liquid outlet pipe 4, and the cold medium enters through the lower end of the casing 1 and passes through the other end of the high location of the casing 1. At this time, the heat exchange work is realized between the cold and hot media.

Outlet pipe 4 places are provided with dirt collecting assembly, and dirt collecting assembly comprises the plug sleeve 7 that is inserted in the liquid outlet pipe 4, the filter screen 10 that is arranged on plug sleeve 7 inside, the pull plate 6 that is fixed on plug sleeve 7 one ends.

The scraper ring 12 cleans the dirt on the inner pipe 2, and the cleaned dirt falls into the hot fluid medium, and then discharges the dirt to the liquid outlet pipe 4 through the flow of the hot medium liquid, and the filter screen 10 intercepts the dirt , to achieve the purpose of temporary collection, when the dirt is getting more and more, it needs to be cleaned regularly.

In order to facilitate the disassembly and installation of the dirt collection assembly, two symmetrically arranged studs 8 are fixedly connected to the side wall of the outlet pipe 4, and the nuts 9 sleeved on the studs 8, specifically when the dirt collection assembly is disassembled , unscrew the nut 9 from the stud 8, and then take out the sleeve 7 from the inside of the liquid outlet pipe 4. At this time, the dirt on the filter screen 10 can be cleaned to prevent excessive dirt from causing blockage, avoid affecting the use, and ensure Normal fluid circulation.

The inner wall of the sleeve pipe 1 is fixedly connected with a bracket 15, and the inside of the bracket 15 is provided with a port 18, and the port 18 is rotated and inserted with a rotating shaft 16, and the rotating shaft 16 is fixedly connected with a plurality of circumferentially arranged baffles 17, using the bracket 15, the rotating shaft 16 , The baffle plate 17 and the port 18 can achieve the purpose of slowing down the flow rate of the liquid, so as to fully realize the heat exchange between the hot and cold fluids, increase the time of heat exchange, and realize the heat exchange work efficiently, and the impact of the liquid medium Down, so that a plurality of baffles 17 rotate around the rotating shaft 16 to achieve the purpose of buffering, avoiding excessive impact on the baffles 17 caused by excessive liquid flow rate and excessive flow rate, and avoiding damage.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and those described in the above-mentioned embodiments and description are only preferred examples of the present invention, and are not intended to limit the present invention, without departing from the spirit and scope of the present invention. Under the premise, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. A high-pressure high-efficiency heat exchanger is characterized in that: it comprises a plurality of vertically equidistant bushings (1), a serpentine inner tube (2) which is sequentially pierced inside the bushing (1), A plurality of connecting pipes (14) connecting two adjacent casing pipes (1), the inner pipe (2) is covered with a mounting frame (11) that can move in the horizontal direction, and the inner wall of the mounting frame (11) is fixed A scraper ring (12) is connected, and the scraper ring (12) is in contact with the inner tube (2); A connecting rod (19) is fixedly connected to one side of the installation frame (11), and a drive assembly (5) for driving the connecting rod (19) to move horizontally is fixedly installed on the outer wall of the casing (1). 2. A high-pressure high-efficiency heat exchanger according to claim 1, characterized in that: the drive assembly (5) includes two connecting blocks (53) fixed to the outer wall of the casing (1), and the connecting blocks (53) One end of the block (53) is fixedly connected with a motor (54), the output end of the motor (54) is fixedly connected with a screw mandrel (52), and the other end of the screw mandrel (52) is rotatably inserted inside the connection block (53), The screw rod (52) is covered with a threaded block (51), the upper end of the threaded block (51) is fixedly connected with a connecting frame (55), and one end of the connecting frame (55) is fixedly connected with the connecting rod (19). . 3. A high-pressure high-efficiency heat exchanger according to claim 2, characterized in that: the connection between the connecting rod (19) and the casing (1) is sealed, and the connecting rod (19) is a round rod shape. 4. A high-pressure high-efficiency heat exchanger according to claim 1, characterized in that: the uppermost sleeve (1) is connected with a liquid inlet pipe (3), and the lowermost sleeve (1) ) is communicated with a liquid outlet pipe (4). 5. A high-pressure high-efficiency heat exchanger according to claim 4, characterized in that: a dirt collection assembly is provided at the outlet pipe (4), and the dirt collection assembly includes a ), the filter screen (10) inside the plug sleeve (7), and the pull plate (6) fixed at one end of the plug sleeve (7). 6. A high-pressure high-efficiency heat exchanger according to claim 5, characterized in that: the side wall of the outlet pipe (4) is fixedly connected with two symmetrically arranged studs (8), sleeved on the studs Nut (9) on (8). 7. A high-pressure high-efficiency heat exchanger according to claim 1, characterized in that: the inner wall of the sleeve (1) is fixedly connected with a bracket (15), and the inside of the bracket (15) is provided with a port (18 ), the port (18) is rotatably inserted with a rotating shaft (16), and a plurality of circumferentially arranged baffle plates (17) are fixedly connected to the rotating shaft (16). 8. A high-pressure high-efficiency heat exchanger according to claim 1, characterized in that: an opening (13) is opened on the mounting frame (11).

Images