Tubular heat exchanger

Abstract

The utility model discloses a tubular heat exchanger which comprises a tubular heat exchanger main body, the tubular heat exchanger main body comprises a tube shell, a fixed seat is welded and fixed on the lower surface of the tube shell, end tube plates are fixed at the two ends of the interior of the tube shell, and a heat exchange tube is installed in the tube shell through the two end tube plates in a clamped mode. By designing a cleaning and scraping mechanism, when dirt in water is attached to the interior of a heat exchange tube or scale is generated due to frequent heating, an end cover of a tube shell can be detached, and a connecting ring is held by hand to pull a connecting push-pull rod to drive a control sliding block to slide in a control sliding groove; the cleaning scraping ring slides in the heat exchange tube to scrape and clean dirt and scale on the inner surface of the heat exchange tube until the cleaned dirt is discharged to the outside, cleaning treatment is convenient, water entering the heat exchange tube is in full contact with liquid on the outer surface of the heat exchange tube, and effective heat exchange treatment is achieved. And the convenience of cleaning the interior of the heat exchange tube and the heat exchange treatment effect are improved when the tubular heat exchanger is installed and used.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of tubular heat exchanger, specifically relates to a tubular heat exchanger. BACKGROUND

[0002] The existing tubular heat exchanger is an important heat exchanger equipment, which is used for transferring heat from one fluid to another fluid, and facilitates the internal cleaning of the heat exchange tube during heat exchange, so that the heat exchange tube is fully contacted for heat exchange, and the convenience and heat exchange effect of the internal cleaning of the heat exchange tube of the tubular heat exchanger main body after installation are improved.

[0003] The existing tubular heat exchanger is an important heat exchanger equipment, which is used for transferring heat from one fluid to another fluid, and facilitates the internal cleaning of the heat exchange tube during heat exchange, so that the heat exchange tube is fully contacted for heat exchange, and the convenience and heat exchange effect of the internal cleaning of the heat exchange tube of the tubular heat exchanger main body after installation are improved. UTILITY MODEL CONTENTS

[0004] The utility model discloses a tubular heat exchanger, which solves the problem of the tubular heat exchanger in the background art, that is, the internal cleaning of the heat exchange tube is not convenient when the internal surface of the heat exchange tube is attached with dirt or scale during long-time heat exchange treatment, the heat exchange tube is thickened, and the heat exchange effect is reduced when the liquid contacts the outer surface of the heat exchange tube.

[0005] To achieve the above object, the utility model provides the following technical scheme: a tubular heat exchanger, comprising a tubular heat exchanger main body, the tubular heat exchanger main body includes a tube shell, the lower surface of the tube shell is welded and fixed with a fixed seat, both ends of the inside of the tube shell are fixed with end tube plates, the inside of the tube shell is clamped and installed with heat exchange tubes through two end tube plates, the both end surfaces of the tube shell are provided with water inlets and water outlets respectively, one end of the upper surface of the tube shell is provided with a liquid inlet, and the lower surface of the tube shell is provided with a liquid outlet.

[0006] The cleaning and scraping mechanism includes a cleaning and scraping assembly arranged at one end of the heat exchange tube, the end of the cleaning and scraping assembly is provided with a sliding control assembly, the surface of the sliding control assembly is provided with a pulling and adjusting assembly, and the end of the pulling and adjusting assembly is provided with a clamping and placing assembly.

[0007] The drain discharge mechanism is arranged at the bottom end inside the pipe shell.

[0008] Preferably, the cleaning scraping assembly comprises a cleaning scraping ring arranged inside the heat exchange pipe, and the outer surface of the cleaning scraping ring is in contact with the inner surface of the heat exchange pipe.

[0009] Preferably, the sliding control assembly comprises a control sliding slot arranged at the top end inside the heat exchange pipe, and the control sliding slot is internally provided with a control sliding block, and the end of the control sliding block is fixedly connected with the surface of the cleaning scraping ring through a bolt.

[0010] Preferably, the control sliding block is matched with the internal structure of the control sliding slot, and the cleaning scraping ring is slidably connected with the inside of the heat exchange pipe through the control sliding block and the control sliding slot.

[0011] Preferably, the pulling adjusting assembly comprises a connecting push-pull rod arranged inside the heat exchange pipe, one end of the connecting push-pull rod is fixedly connected with the end of the control sliding block through a bolt, and the other end of the connecting push-pull rod is fixedly connected with a connecting ring through a bolt.

[0012] Preferably, the clamping placing assembly comprises an elastic clamping body integrally formed on the inner surface of the connecting ring, the end surface of the heat exchange pipe is arranged in the clamping hole arranged in the inside of the end pipe plate, and the elastic clamping body is clamped with the inside of the clamping hole.

[0013] Preferably, the drain discharge assembly comprises an inner arc-shaped drain plate fixedly welded at the bottom end inside the pipe shell, the end of the inner arc-shaped drain plate is arranged in the drain groove arranged at the bottom end inside the pipe shell, and the inside of the drain groove is in communication with the end of the liquid outlet.

[0014] Compared with the prior art, the beneficial effects of the present application are:

[0015] When dirt is attached to water in the inside of the heat exchange pipe or scale is often generated by heating, the end cover of the pipe shell is disassembled, the connecting ring is held by hand to pull the connecting push-pull rod to drive the control sliding block to slide in the inside of the control sliding slot, the cleaning scraping ring is slid in the inside of the heat exchange pipe to scrape and clean the dirt and scale on the inner surface of the heat exchange pipe, until the cleaned dirt is discharged to the outside, and the cleaning process is convenient, so that the water in the inside of the heat exchange pipe is fully contacted with the liquid on the outer surface of the heat exchange pipe for effective heat exchange treatment, and the convenience of the cleaning process and the heat exchange treatment effect of the tubular heat exchanger main body are improved when the tubular heat exchanger main body is used after installation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the present application;

[0017] Figure 2 It is a sectional view of the present application.

[0018] Figure 3 For the utility model Figure 2 A part of the enlarged structure schematic view in the middle;

[0019] Figure 4 For the utility model Figure 2 B part of the enlarged structure schematic view in the middle;

[0020] Figure 5 For the utility model's heat exchange tube, cleaning scraping ring and control slider side surface section structure schematic view;

[0021] Figure 6 For the utility model's pipe shell, inner arc drainage plate and drainage groove section structure schematic view;

[0022] In the drawing: 100, the main body of tubular heat exchanger;101, pipe shell;102, fixed seat;103, liquid inlet;104, liquid outlet;1041, inner arc drainage plate;1042, drainage groove;105, water inlet;106, drain;107, heat exchange tube;1071, cleaning scraping ring;1072, control slider;1073, control sliding slot;1074, connecting push-pull rod;1075, elastic card body;1076, connecting ring;1077, card hole;108, end tube plate. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1 to 6The utility model provides a technical scheme: a tubular heat exchanger, including tubular heat exchanger main part 100, tubular heat exchanger main part 100 includes pipe shell 101, the lower surface welding of pipe shell 101 is fixed with fixed seat 102, fixed seat 102 will tubular heat exchanger main part 100 fixed mounting in the position of use, the inside both ends of pipe shell 101 are fixed with end tube sheet 108, the inside of pipe shell 101 is installed with heat exchange pipe 107 through two end tube sheets 108, and the both ends surface of pipe shell 101 is provided with water inlet 105 and drain outlet 106 respectively, and the upper surface one end of pipe shell 101 is provided with liquid inlet 103, and the lower lower surface end of pipe shell 101 is provided with liquid outlet 104, and the water inlet 105 is connected to the one end of pipe shell 101 and enters the inside of heat exchange pipe 107 again, after the water of heat exchange pipe 107 is entered, when the liquid is entered in the inside of pipe shell 101, the outside surface of heat exchange pipe 107 is contacted quickly and is handled with heat exchange, and after heat exchange, the liquid is discharged through liquid outlet 104, and drain outlet 106 is handled, and tubular heat exchanger main part 100 is also provided with:

[0025] The cleaning and scraping mechanism includes a cleaning and scraping assembly arranged at one end of the inside of the heat exchange pipe 107, an end of the cleaning and scraping assembly is provided with a sliding control assembly, a surface of the sliding control assembly is provided with a pulling and adjusting assembly, and an end of the pulling and adjusting assembly is provided with a clamping and placing assembly.

[0026] In order to facilitate the cleaning and scraping of the dirt and scale attached to the inner surface of the heat exchange pipe 107 by the cleaning and scraping assembly, preferably, the cleaning and scraping assembly includes a cleaning and scraping ring 1071 arranged in the heat exchange pipe 107, and the outer surface of the cleaning and scraping ring 1071 is in contact with the inner surface of the heat exchange pipe 107.

[0027] In order to facilitate the stable movement of the cleaning scraper ring 1071 in the interior of the heat exchange pipe 107 by the sliding control assembly, preferably, the sliding control assembly includes a control sliding groove 1073 opened at the top end of the interior of the heat exchange pipe 107, and the control sliding groove 1073 is provided with a control sliding block 1072, and the end of the control sliding block 1072 is fixedly connected with the surface of the cleaning scraper ring 1071 by bolts, and the control sliding block 1072 is matched with the internal structure of the control sliding groove 1073, so that the control sliding block 1072 can slide in the control sliding groove 1073 when the cleaning scraper ring 1071 slides in the interior of the heat exchange pipe 107, thereby facilitating the stable movement of the cleaning scraper ring 1071 for scraping and cleaning.

[0028] In order to facilitate the cleaning treatment of the control sliding block 1072 and the cleaning scraper ring 1071 by pulling the adjusting assembly, preferably, the pulling adjusting assembly includes a connecting push-pull rod 1074 arranged in the interior of the heat exchange pipe 107, one end of the connecting push-pull rod 1074 is fixedly connected with the end of the control sliding block 1072 by bolts, and the other end of the connecting push-pull rod 1074 is fixedly connected with a connecting ring 1076 by bolts, and the connecting ring 1076 can be opened to pull the connecting push-pull rod 1074 to drive the control sliding block 1072 and the cleaning scraper ring 1071 to move for scraping and cleaning.

[0029] In order to facilitate the use of the connecting ring 1076 and the connecting push-pull rod 1074 after the use of the clamping and placing assembly, and not to affect the use of the heat exchange again, preferably, the clamping and placing assembly includes an elastic clamping body 1075 integrally formed on the inner surface of the connecting ring 1076, and the end surface of the heat exchange pipe 107 is arranged in the interior of the end pipe plate 108 and is provided with a clamping hole 1077, and the elastic clamping body 1075 is clamped in the interior of the clamping hole 1077, after the cleaning treatment, the connecting ring 1076 is closed on the surface of the end pipe plate 108, the connecting push-pull rod 1074 returns to the original position, and the elastic clamping body 1075 is clamped in the interior of the clamping hole 1077 to clamp and fix the connecting ring 1076.

[0030] The drainage discharge mechanism is arranged at the bottom end of the pipe shell 101, and can drain the small amount of liquid remaining in the bottom end of the pipe shell 101 after heat exchange, so that the drainage discharge mechanism can drain the small amount of liquid in the bottom end of the pipe shell 101 more cleanly, and improve the convenience of the pipe heat exchanger main body 100 in draining the small amount of liquid in the bottom end of the pipe shell 101 during heat exchange.

[0031] In order to facilitate the discharge of a small amount of liquid remaining at the bottom end of the pipe shell 101 by the drainage assembly, the discharge is more clean, in the embodiment, preferably, the drainage assembly comprises an inner arc drainage plate 1041 welded and fixed at the bottom end of the pipe shell 101, the end of the inner arc drainage plate 1041 is located at the bottom end of the pipe shell 101, and a drainage groove 1042 is formed at the bottom end of the pipe shell 101, and the inner drainage groove 1042 is connected with the end of the liquid outlet 104, the inner arc drainage plate 1041 at the bottom end of the pipe shell 101 drains a small amount of liquid to the inside of the drainage groove 1042, and then drains to the inside of the liquid outlet 104 through the drainage groove 1042 for discharge treatment, and the drainage is convenient and the discharge is more clean, and it is not easy to remain.

[0032] The working principle and use process of the utility model are as follows: when the pipe heat exchanger is used, first, the pipe heat exchanger body 100 is fixedly installed at the position of use through the fixing seat 102, after the pipe heat exchanger body 100 is fixedly installed, the liquid inlet 103 is fixedly installed with the external liquid inlet pipeline, the liquid outlet 104 is connected with the liquid outlet pipeline, and then the water inlet 105 is connected with the water inlet pipe to enter the inside of the heat exchange pipe 107 at one end of the pipe shell 101, after the water enters the inside of the heat exchange pipe 107, the liquid enters the inside of the pipe shell 101 and quickly contacts the outer surface of the heat exchange pipe 107 for heat exchange treatment, and after heat exchange, the liquid is discharged through the liquid outlet 104, and the drain port 106 is used for drainage treatment.

[0033] Then when the pipe heat exchanger body 100 is used for heat exchange treatment, the liquid in the pipe shell 101 is discharged to a small amount through the liquid outlet 104, at this time, the inner arc drainage plate 1041 at the bottom end of the pipe shell 101 is used to drain a small amount of liquid to the inside of the drainage groove 1042, and then the liquid is discharged to the inside of the liquid outlet 104 through the drainage groove 1042 for discharge treatment, and the drainage is convenient and the discharge is more clean, and it is not easy to remain, and the convenience of the drainage of a small amount of liquid at the bottom end of the pipe shell 101 is improved when the pipe heat exchanger body 100 is used for heat exchange.

[0034] Finally when the tube heat exchanger main body 100 is used after installation, when dirt in water is attached in the inside of the heat exchange pipe 107 or scale is often generated by heating, the end cover of the tube shell 101 is disassembled, the connecting ring 1076 is pulled by hand, the connecting push-pull rod 1074 is pulled, the control sliding block 1072 is slid in the inside of the control sliding groove 1073, the cleaning scraping ring 1071 is slid in the inside of the heat exchange pipe 107, the dirt and scale on the inner surface of the heat exchange pipe 107 are scraped and cleaned, until the cleaned dirt is discharged outside, the cleaning treatment is convenient, without the help of external tools for cleaning treatment, when used again, water is filled in the inside of the heat exchange pipe 107, the liquid on the outer surface of the heat exchange pipe 107 is fully contacted and effectively treated, the dirt is not easy to cause heat insulation and reduce the heat exchange effect, the convenience of the cleaning treatment and the heat exchange treatment effect of the heat exchange pipe 107 in the inside of the tube heat exchanger main body 100 after installation are improved, after the cleaning treatment, the cleaning scraping ring 1071 is restored to the original position, the elastic clamping body 1075 is clamped in the inside of the clamping hole 1077 when the connecting ring 1076 is closed on the surface of the end tube plate 108, and the heat exchange treatment is not easy to be affected during use.

[0035] Although the embodiments of the present application have been shown and described in detail (see the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A tubular heat exchanger, comprising a tubular heat exchanger body (100), the tubular heat exchanger body (100) comprising a tube shell (101), a fixed seat (102) being welded and fixed on a lower surface of the tube shell (101), end tube plates (108) being fixed on both ends of an inner portion of the tube shell (101), heat exchange tubes (107) being clamped and installed in the inner portion of the tube shell (101) through the two end tube plates (108), water inlets (105) and water outlets (106) being respectively arranged on both end surfaces of the tube shell (101), a liquid inlet (103) being arranged on one end of an upper surface of the tube shell (101), and a liquid outlet (104) being arranged on an end of a lower surface of the tube shell (101), characterized in that: The tubular heat exchanger body (100) is further provided with: A cleaning and scraping mechanism, comprising a cleaning and scraping component arranged at one end inside the heat exchange tube (107), a sliding control component being arranged at the end of the cleaning and scraping component, a pulling and adjusting component being arranged on the surface of the sliding control component, and a snap-fitting placement component being arranged at the end of the pulling and adjusting component; A drainage and discharge mechanism comprises a drainage and discharge component arranged at the bottom end of the interior of the tube housing (101).

2. A tubular heat exchanger according to claim 1, characterised in that: The cleaning scraping assembly comprises a cleaning scraping ring (1071) arranged inside the heat exchange tube (107), and the outer surface of the cleaning scraping ring (1071) is in contact with the inner surface of the heat exchange tube (107).

3. A tubular heat exchanger according to claim 2, characterised in that: The sliding control assembly includes a control slide groove (1073) opened at the top end of the heat exchange tube (107), a control slider (1072) is provided inside the control slide groove (1073), and the end of the control slider (1072) is fixed to the surface of the cleaning scraper (1071) by bolts.

4. A tubular heat exchanger according to claim 3, characterised in that: The control slider (1072) matches the internal structure of the control slide groove (1073), and the cleaning scraper ring (1071) is slidably connected to the interior of the heat exchange tube (107) through the control slider (1072) and the control slide groove (1073).

5. A tubular heat exchanger according to claim 3, characterised in that: The pulling adjustment assembly includes a connecting push-pull rod (1074) arranged inside the heat exchange tube (107), one end of the connecting push-pull rod (1074) is fixed to the end of the control slider (1072) by bolts, and the other end of the connecting push-pull rod (1074) is fixed with a connecting ring (1076) by bolts.

6. A tubular heat exchanger according to claim 5, characterised in that: The snap-fit ​​placement assembly includes an elastic snap body (1075) integrally formed on the inner surface of the connecting ring (1076); a snap hole (1077) is provided on the end side surface of the heat exchange tube (107) located inside the end tube plate (108), and the elastic snap body (1075) is snap-fitted with the inside of the snap hole (1077).

7. A tubular heat exchanger according to claim 1, characterized in that: The drainage and discharge assembly comprises an inner arc-shaped drainage plate (1041) welded and fixed to the bottom end of the interior of the tube housing (101); the end of the inner arc-shaped drainage plate (1041) is located at the bottom end of the interior of the tube housing (101) and is provided with a drainage groove (1042); and the interior of the drainage groove (1042) is connected to the end of the liquid outlet (104).

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