CN112033188B

CN112033188B - Tubular heat exchanger

Info

Publication number: CN112033188B
Application number: CN202010938781.4A
Authority: CN
Inventors: 陆春国; 葛红星
Original assignee: Nantong Zhaohe Machinery Co ltd
Current assignee: Nantong Zhaohe Machinery Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2022-06-28
Anticipated expiration: 2040-09-09
Also published as: CN112033188A

Abstract

The application relates to a tubular heat exchanger, which comprises a tube body, a tube bundle and a baffle plate, wherein end plates are arranged at two ends of the tube bundle in the length direction, the end plates are connected to the tube opening of the tube body, end covers are arranged on the end plates, and water tubes are connected to the end covers; the pipe body is provided with an outer edge which is attached to the end plate at the pipe orifice; and the end cover, the end plate and the outer edge are connected with a locking assembly for clamping the end cover, the end plate and the outer edge. This application has easy dismounting so that carry out the advantage of clearance to inside.

Description

Tubular heat exchanger

Technical Field

The application relates to the technical field of heat exchangers, in particular to a tubular heat exchanger.

Background

Heat exchangers are devices used to transfer heat from a hot fluid to a cold fluid to meet specified process requirements, and are an industrial application of convective heat transfer and conductive heat transfer.

The prior Chinese patent with the granted publication number of CN108120319A provides a shell-and-tube heat exchanger, which comprises an air inlet interface, a seal head, an water outlet interface, a cylinder body, a corrugated tube, a water inlet interface, a tube plate and an air outlet interface, wherein the two sides of the circumferential top of the cylinder body are respectively provided with a hole I and a hole II, the hole I is provided with the water outlet interface, the hole II is connected with the water inlet interface, the left end and the right end of the cylinder body are respectively provided with the seal head, the hole III of the seal head at the left end is connected with the air inlet interface, the hole III of the seal head at the right end is connected with the air outlet interface, the cross section of the connecting end of the left end of the cylinder body and the cross section of the connecting end of the seal head and the cross section of the connecting end of the right end of the cylinder body and the connecting end of the seal head are respectively provided with the tube plate, the tube plates are uniformly distributed with connecting holes, the corresponding group of the connecting holes are connected with the outer circumferences of the two ends of the corrugated tube, and the inner cavities of the seal heads at the two ends of the cylinder body are communicated with the air delivery hole of the corrugated tube.

With respect to the related art among the above, the inventors consider that there is a drawback that disassembly is difficult to make it difficult to clean the inside.

Disclosure of Invention

In order to improve the situation that the equipment is difficult to disassemble, the application provides a tubular heat exchanger.

The application provides a tubular heat exchanger, adopts following technical scheme:

a tubular heat exchanger comprises a tube body, a tube bundle and a baffle plate, wherein end plates are arranged at two ends of the tube bundle in the length direction and are connected to a tube opening of the tube body; the pipe body is provided with an outer edge which is attached to the end plate at the pipe orifice; and the end cover, the end plate and the outer edge are connected with a locking assembly for clamping the end cover, the end plate and the outer edge.

Through adopting above-mentioned technical scheme, support the pencil through the end plate, through locking Assembly with end cover, end plate and outer edge locking fast, it is also very convenient to dismantle, and then clears up the equipment inside.

Preferably, the locking assembly is of an annular structure and comprises two butt-joint pieces which are mutually butted, and the butt-joint pieces are provided with installation long holes into which the end covers, the end plates and the outer edges are simultaneously inserted; one of the butt joint pieces is provided with a connecting plate, a bolt column is arranged on the connecting plate, a sleeve into which the bolt column is inserted is arranged on the other butt joint piece, and a locking nut which is abutted against the sleeve is in threaded connection with the bolt column.

Through adopting above-mentioned technical scheme, when the installation for the butt joint spare cladding is on end cover, end plate and outer edge, makes the pillar insert simultaneously and establishes in the sleeve pipe, fixes pillar and sleeve pipe through lock nut, and then presss from both sides tightly two butt joint spares, in order to press from both sides end cover, end cover and outer edge quick fastening, simple structure, it is fixed firm.

Preferably, the bolt is sleeved with a spring, and two ends of the spring in the length direction abut against the connecting plate and the sleeve respectively.

Through adopting above-mentioned technical scheme, the cover has the spring on the embolus, and the spring receives the extrusion, supports tightly on the sleeve pipe to exert pressure to the locking bolt, play the effect that prevents lock nut anticreep.

Preferably, the inner side wall of the installation long hole is provided with a first sealing element.

By adopting the technical scheme, the gaps among the butt joint piece, the end cover, the end part and the outer edge are plugged through the first sealing piece, and the leakage-proof effect is achieved.

Preferably, an annular groove is formed in one side, close to the end plate, of the end cover in the circumferential direction, and a second sealing element abutting against the end plate is arranged in the annular groove.

Through adopting above-mentioned technical scheme, carry out the shutoff through the second sealing member to the gap between end cover and the end plate, play leak protection effect.

Preferably, the inner side wall of the pipe body is provided with a T-shaped strip for mounting the baffle plate, and the T-shaped strip is attached to the inner side wall of the pipe body and arranged along the circumferential direction of the pipe body; the baffle plate is attached to one side of the inner side wall direction of the pipe body, and a T-shaped groove for inserting the T-shaped strip is formed in the circumferential direction of the baffle plate.

Through adopting above-mentioned technical scheme, when the installation baffling board, with the baffling board laminating on the inside wall of body, then rotate the baffling board for on the T type strip is cup jointed to the baffling board, simple structure, the installation is quick, the staff's of being convenient for operation.

Preferably, a positioning block abutting against the T-shaped strip is arranged in the T-shaped groove.

Through adopting above-mentioned technical scheme, at the in-process of installation baffling board, work as T type piece butt to locating piece, accomplish the installation to quick location baffling board is located the radial ascending position of body, improves installation effectiveness and installation accuracy greatly, so that follow-up accuracy of tube bank is worn to establish.

Preferably, the T-shaped groove is internally provided with a rubber strip for tightly abutting the T-shaped strip against the positioning block.

Through adopting above-mentioned technical scheme, at the in-process of installation baffling board for T section bar offsets with the locating piece, then extrudees the rubber strip and fills in T type inslot, makes T section bar support tightly on the locating piece, strengthens the fixed to the baffling board, like this, further supports the tube bank.

Preferably, a detection device for detecting the temperature and the pressure in the pipe body is arranged in the pipe body, a control device connected with the detection device is arranged on the outer side wall of the pipe body, and a display device and an alarm device connected with the control device are further arranged on the pipe body.

By adopting the technical scheme, the detection device detects the temperature and the pressure in the pipe body and sends a detection signal to the control device, the control device receives the detection signal, converts the detection signal into an electric signal and then sends the electric signal to the display device, and the display device is a display screen and displays the detected temperature and pressure on the display screen; when the temperature or the pressure exceeds a preset safety threshold value, the control device sends a control signal to the alarm device, the alarm device gives an alarm to remind workers, and the equipment is high in safe operation performance.

Preferably, the warning device comprises an audible warning device and a light warning device.

Through adopting above-mentioned technical scheme, sound alarm device makes sound, and light alarm device gives off light, reminds the staff through two kinds of modes, and alarm effect is good.

To sum up, the beneficial technical effect of this application does:

1. the end plate is used for supporting the tube bundle, when the tube bundle is installed, the end cover, the end plate and the outer edge are coated with the butt joint parts, the studs are inserted into the sleeves, the studs and the sleeves are fixed through the locking nuts, and then the two butt joint parts are clamped tightly, so that the end cover, the end cover and the outer edge are clamped fast, the structure is simple, and the fixation is firm; the disassembly and assembly are convenient, and the inside of the equipment is convenient to clean;

2. The first sealing element and the second sealing element are used for plugging, so that the leakage-proof effect is good;

3. the detection device detects the temperature and the pressure in the pipe body and sends a detection signal to the control device, the control device receives the detection signal, converts the detection signal into an electric signal and sends the electric signal to the display device, and the display device is a display screen and displays the detected temperature and pressure on the display screen; when the temperature or the pressure exceeds a preset safety threshold value, the control device sends a control signal to the alarm device, and the alarm device gives an alarm to remind workers, so that the safety is high.

Drawings

Fig. 1 is a schematic structural diagram of a tubular heat exchanger according to an embodiment of the present application.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an enlarged view of a portion B in fig. 1.

FIG. 4 is a sectional view showing the connection between the baffle and the tubular body in the embodiment of the present application.

Description of reference numerals: 1. a pipe body; 11. an outer edge; 12. t-shaped strips; 2. a tube bundle; 3. a baffle plate; 31. a T-shaped groove; 311. positioning blocks; 312. a rubber strip; 4. an end plate; 5. an end cap; 51. an annular groove; 511. a second seal member; 6. a locking assembly; 61. a docking member; 611. a connecting plate; 612. a stud; 6121. locking the nut; 6122. a spring; 613. a sleeve; 62. installing a long hole; 621. a first seal member; 7. a detection device; 8. a control device; 81. a display device; 82. an alarm device; 821. an audible alarm device; 822. a light alarm device.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a tubular heat exchanger. Referring to fig. 1, the heat exchanger comprises a tube body 1, a tube bundle 2 and a baffle plate 3, wherein end plates 4 are arranged at two ends of the tube bundle 2 in the length direction, the tube bundle 2 is movably inserted into the end plates 4, and the two end plates 4 are respectively arranged at two ends of the tube body 1 in the length direction; an end cover 5 is arranged on the end plate 4, an outer edge 11 is integrally formed on the outer side wall of the pipe body 1 along the circumferential direction, a locking assembly 6 for clamping the end cover 5, the end plate 4 and the outer edge 11 is arranged among the end cover 5, the end plate 4 and the outer edge 11, and the end cover 5, the end plate 4 and the outer edge 11 are rapidly clamped through the locking assembly 6; and a water pipe is arranged on the end cover 5 and used for water inlet and outlet.

Referring to fig. 1 and 2, the locking assembly 6 is an annular structure and includes two abutting pieces 61 abutting against each other, the abutting pieces 61 are semi-annular steel pieces, the abutting pieces 61 are disposed on outer side walls of the end cover 5, the end plate 4 and the outer rim 11, and a mounting long hole 62 into which the end cover 5, the end plate 4 and the outer rim 11 are inserted simultaneously is formed on the outer side wall of the abutting pieces 61; one of the butt-joint pieces 61 is welded with a connecting plate 611, the connecting plate 611 is welded with a stud 612, and the other butt-joint piece 61 is welded with a sleeve 613 for inserting the stud 612; the outer side wall of the stud 612 is sleeved with a spring 6122, two ends of the spring 6122 in the length direction are respectively abutted against the connecting plate 611 and the sleeve 613, a locking nut 6121 tightly abutted against the sleeve 613 is connected to the stud 612 in a threaded manner, and the two abutting pieces 61 are locked through the stud 612 and the locking nut 6121.

Referring to fig. 1 and 3, a first sealing member 621 is disposed on an inner side wall of the installation slot 62, the material of the first sealing member 621 is preferably rubber, and a gap between the connecting member 61, the end cap 5, the end plate 4 and the outer rim 11 is sealed by the first sealing member 621, so as to prevent leakage; an annular groove 51 is formed in one side of the end cover 5 close to the end portion direction along the circumferential direction, a second sealing piece 511 made of rubber is adhered in the annular groove 51, when the end cover 5 is attached to the end plate 4, the second sealing piece 511 is squeezed to abut against the space between the end cover 5 and the end plate 4, and a gap between the end cover 5 and the end plate 4 is further sealed through the second sealing piece 511, so that the leakage-proof effect is achieved.

Referring to fig. 1 and 4, a T-shaped strip 12 for installing a baffle plate 3 is welded on the inner side wall of a pipe body 1, the T-shaped strip 12 is arranged along the circumferential direction of the pipe body 1, a T-shaped groove 31 for inserting the T-shaped strip 12 is formed in the outer side wall of the baffle plate 3 along the circumferential direction, when the pipe is installed, the baffle plate 3 is attached to the inner side wall of the pipe body 1, and then the baffle plate 3 is rotated, so that the baffle plate 3 is sleeved on the T-shaped strip 12. A positioning block 311 which abuts against the T-shaped strip 12 is arranged in the T-shaped groove 31 through a screw, a rubber strip 312 is arranged in the T-shaped groove 31 in a plug mode, and the rubber strip 312 is extruded in the T-shaped groove 31 to enable the T-shaped strip 12 to abut against the positioning block 311 tightly, so that the fixing of the deflector 3 is strengthened.

Referring to fig. 1, a detection device 7 for detecting temperature and pressure in a pipe is arranged in the pipe body 1, the detection device 7 is a temperature sensor and a pressure sensor, a control device 8 electrically connected with the detection device 7 is arranged on the outer side wall of the pipe body 1, the control device 8 is a PLC, a display device 81 and an alarm device 82 electrically connected with the control device 8 are arranged on the pipe body 1, the temperature and the pressure in the pipe body 1 are detected through the detection device 7, and detection signals are sent to the control device 8, the control device 8 receives the detection signals, converts the detection signals into electric signals, and then sends the electric signals to the display device 81, and the display device 81 is a display screen for displaying the detected temperature and pressure on the display screen; when the temperature or the pressure exceeds a preset safety threshold value, the control device 8 sends a control signal to the alarm device 82, and the alarm device 82 gives an alarm to remind a worker.

Referring to fig. 1, the alarm device 82 includes an audio alarm device 821 and a light alarm device 822, the audio alarm device 821 is a buzzer, the light alarm device 822 is a red LED lamp, and the alarm is performed by a honey device and the LED lamp.

The implementation principle of a tubular heat exchanger in the embodiment of the application is as follows: when the installation is carried out, the baffle plate 3 is firstly installed in the pipe body 1, and the baffle plate 3 is sleeved on the T-shaped strip 12; the tube bundle 2 is then mounted on the baffle 3; the end is sleeved on the tube bundle 2, the end cap 5 is then fastened to the end plate 4, the end cap 5, the end plate 4 and the outer rim 11 are clamped by the abutment 61, the stud 612 is inserted into the sleeve 613 and the lock nut 6121 is tightened.

The detection device 7 detects the temperature and the pressure in the pipe body 1 and sends a detection signal to the control device 8, and the control device 8 receives the detection signal, converts the detection signal into an electric signal and then sends the electric signal to the display device 81 so as to display the detected temperature and pressure on a display screen; when the temperature or the pressure exceeds a preset safety threshold value, the control device 8 sends a control signal to the buzzer and the LED lamp, the buzzer sends out buzzing sound, and the LED lamp sends out light to remind a worker.

The embodiments of the present invention are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A tubular heat exchanger, comprising a tube body (1), a tube bundle (2) and baffles (3), characterized in that: the two ends of the tube bundle (2) in the length direction are provided with end plates (4), the end plates (4) are connected to the pipe orifices of the tube bodies (1), the end plates (4) are provided with end covers (5), and the end covers (5) are connected with water pipes; the pipe body (1) is provided with an outer edge (11) which is attached to the end plate (4) at the pipe orifice; the end cover (5), the end plate (4) and the outer edge (11) are connected with a locking assembly (6) for clamping the end cover (5), the end plate (4) and the outer edge (11), the locking assembly (6) is of an annular structure and comprises two butt joint pieces (61) which are mutually butted, and the butt joint pieces (61) are provided with installation long holes (62) into which the end cover (5), the end plate (4) and the outer edge (11) can be simultaneously inserted; one butt joint piece (61) is provided with a connecting plate (611), the connecting plate (611) is provided with a bolt column (612), the other butt joint piece (61) is provided with a sleeve (613) for inserting the bolt column (612), the bolt column (612) is in threaded connection with a locking nut (6121) abutted against the sleeve (613), the bolt column (612) is sleeved with a spring (6122), and two ends of the spring (6122) in the length direction are abutted against the connecting plate (611) and the sleeve (613) respectively;

The inner side wall of the pipe body (1) is provided with a T-shaped strip (12) for mounting the baffle plate (3), and the T-shaped strip (12) is attached to the inner side wall of the pipe body (1) and arranged along the circumferential direction of the pipe body (1); the baffle plate (3) is attached to one side of the inner side wall direction of the pipe body (1), and a T-shaped groove (31) for inserting the T-shaped strip (12) is formed in the circumferential direction of the baffle plate (3); and a positioning block (311) which is abutted against the T-shaped strip (12) is arranged in the T-shaped groove (31).

2. A tube heat exchanger according to claim 1, wherein: the inner side wall of the installation long hole (62) is provided with a first sealing element (621).

3. A tube heat exchanger according to claim 1, wherein: an annular groove (51) is formed in one side, close to the end plate (4), of the end cover (5) in the circumferential direction, and a second sealing piece (511) which abuts against the end plate (4) is arranged in the annular groove (51).

4. A tube heat exchanger according to claim 1, wherein: and a rubber strip (312) used for tightly abutting the T-shaped strip (12) against the positioning block (311) is arranged in the T-shaped groove (31) in a plugging manner.

5. A tube heat exchanger according to claim 1, wherein: the device is characterized in that a detection device (7) used for detecting the temperature and the pressure in the pipe body (1) is arranged in the pipe body, a control device (8) connected with the detection device (7) is arranged on the outer side wall of the pipe body (1), and a display device (81) and an alarm device (82) connected with the control device (8) are further arranged on the pipe body (1).

6. A tube heat exchanger according to claim 5, wherein: the alarm device (82) comprises an acoustic alarm device (821) and a light alarm device (822).