Tubular heat exchanger for chemical production

Abstract

The utility model discloses a tubular heat exchanger for chemical production, and relates to the technical field of chemical production. The tubular heat exchanger comprises a tubular heat exchanger body, a liquid inlet pipe is arranged at one end of the tubular heat exchanger body, a filtering mechanism is detachably arranged on the liquid inlet pipe, and a limiting mechanism used in cooperation with the liquid inlet pipe is arranged at one end of the filtering mechanism. The filtering mechanism comprises a filtering cylinder; through the arrangement and use of the filtering mechanism, impurities in a heat exchange medium entering the tubular heat exchanger body can be intercepted and filtered, so that the phenomenon that the impurities enter the interior to affect normal use of the tubular heat exchanger body can be avoided, and a scraping frame and a brush plate can be driven to rotate while filtering is conducted; the scraping frame and the brushing plate can be alternately in contact with the arc-shaped filter plate, so that impurities intercepted by the arc-shaped filter plate can be scraped and brushed, the phenomenon that the intercepted impurities are deposited to block the arc-shaped filter plate can be avoided, and normal use of the filtering mechanism is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical production technical field, concretely is a kind of chemical production tube -in -tube heat exchanger. BACKGROUND

[0002] Tube -in -tube heat exchanger is mainly composed of shell, tube sheet, heat exchange tube, head, baffle etc., its material can be respectively using ordinary carbon steel, red copper or stainless steel to make, and current tube -in -tube heat exchanger is more widely used in the application in chemical production field.

[0003] But the filter mechanism used on the existing chemical production tube -in -tube heat exchanger exists the problems of complex dismounting and easy siltation and blockage filter plate of intercepting impurities.

[0004] For the above problems, the inventor proposes a chemical production tube -in -tube heat exchanger to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to solve the problem that the filter mechanism used on the existing chemical production tube -in -tube heat exchanger is complex to dismount and easy to silt and block the filter plate when intercepting impurities, the utility model aims to provide a chemical production tube -in -tube heat exchanger.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme: a chemical production tube -in -tube heat exchanger, which comprises a tube -in -tube heat exchanger body, one end of the tube -in -tube heat exchanger body is provided with a liquid inlet pipe, and a filter mechanism is detachably arranged on the liquid inlet pipe, and one end of the filter mechanism is provided with a limiting mechanism used in cooperation with the liquid inlet pipe.

[0007] The filter mechanism comprises a filter cylinder, an inlet pipe and an outlet pipe are communicated on the filter cylinder, and the outlet pipe can be slidably sleeved on the liquid inlet pipe, a partition plate is fixedly inserted in the inner cavity of the inlet pipe, a V-shaped pipe is fixedly inserted on the partition plate, a perforation is formed through the partition plate, the V-shaped pipe is fixedly inserted in the perforation, an arc-shaped filter plate is fixedly inserted in the filter cylinder and used in cooperation with the outlet pipe, a rotating rod is rotatably inserted on the filter cylinder, a scraping frame is rotatably sleeved on the rotating rod, the scraping frame can be attached to the inner side of the arc-shaped filter plate, symmetrically arranged brush plates are fixedly installed on the scraping frame and can be in movable contact with the inner side of the arc-shaped filter plate, and arrayed push plates are fixedly installed on the inner side of the scraping frame and used in cooperation with the V-shaped pipe.

[0008] Preferably, the limiting mechanism comprises a limiting rod and a guide rod, the limiting rod is slidingly inserted at the end of the outlet pipe and can slidingly fit with the end of the liquid inlet pipe, the end of the outlet pipe is provided with an array of sliding holes, the limiting rod is slidingly inserted in the sliding holes, the opposite ends of the limiting rod are fixedly provided with a sleeve ring, the opposite sides of the sleeve ring are fixedly provided with a spring, the outer wall of the sleeve ring is provided with a matching groove, the grooves are arrayed, the spring is movably sleeved on the limiting rod, the end of the spring is fixedly connected with the outlet pipe, the guide rod is fixedly inserted in the outlet pipe, the outlet pipe is provided with an array of insertion holes, the guide rod is fixedly inserted in the insertion holes, the end of the liquid inlet pipe is provided with an array of guide holes, the guide rod can be slidingly inserted in the guide holes, the guide rod is movably sleeved with a sealing ring, the sealing ring can movably contact with the end of the liquid inlet pipe, the sealing ring is provided with an array of through holes, and the guide rod can movably pass through the through holes.

[0009] Compared with the prior art, the beneficial effects of the utility model lie in:

[0010] 1. By the setting and use of the filtering mechanism, the impurities in the heat exchange medium entering the column tube heat exchanger body can be intercepted and filtered, so that the phenomenon that the impurities affect the normal use of the column tube heat exchanger body can be avoided, and the scraping frame and the brush plate can be driven to rotate at the same time of filtering, so that the scraping frame and the brush plate can alternately contact with the arc-shaped filter plate, so that the impurities intercepted by the arc-shaped filter plate can be scraped and brushed, and the phenomenon that the intercepted impurities accumulate and block the arc-shaped filter plate can be avoided, so that the normal use of the filtering mechanism is ensured.

[0011] 2. By the setting and use of the limiting mechanism, the convenient movement and resetting of the limiting rod are facilitated, so that the outlet pipe can be conveniently and stably fixed on the liquid inlet pipe, and the filtering mechanism can be conveniently disassembled. ACCURATE DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.

[0013] Figure 1 It is the structural schematic diagram of the utility model.

[0014] Figure 2 It is the limiting mechanism installation schematic diagram in the utility model.

[0015] Figure 3 It is the utility model Figure 2 A structure enlarged schematic diagram in the utility model.

[0016] Figure 4 For the utility model Figure 2 The structure of B is enlarged and shown schematically.

[0017] In the figure: 1, column tube heat exchanger body; 11, liquid inlet pipe; 12, guide hole; 2, filtering mechanism; 21, filter cartridge; 22, inlet pipe; 23, outlet pipe; 24, partition; 25, V-shaped pipe; 26, arc-shaped filter plate; 27, rotating rod; 28, scraping frame; 29, brush plate; 210, push plate; 211, sliding hole; 212, insertion hole; 213, perforation; 3, limiting mechanism; 31, limiting rod; 32, guide rod; 33, collar; 34, spring; 35, sealing ring; 36, through hole; 37, groove. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 protection scope of the utility model.

[0019] Embodiment: as Figures 1-4 indicated, the utility model provides a column tube heat exchanger for chemical production, including column tube heat exchanger body 1, one end of column tube heat exchanger body 1 is equipped with liquid inlet pipe 11, and detachably equipped with filtering mechanism 2 on liquid inlet pipe 11, and one end of filtering mechanism 2 is equipped with limiting mechanism 3 for cooperating with liquid inlet pipe 11;

[0020] Filtering mechanism 2 includes filter cartridge 21, and inlet pipe 22 and outlet pipe 23 are communicated and arranged on filter cartridge 21, and outlet pipe 23 can be slidably arranged on liquid inlet pipe 11, and partition 24 is fixedly inserted in the inner cavity of inlet pipe 22, and V-shaped pipe 25 is fixedly inserted on partition 24, and perforation 213 is formed through partition 24, and V-shaped pipe 25 is fixedly inserted in perforation 213, and the setting of perforation 213 provides guarantee for the stable insertion of V-shaped pipe 25, arc-shaped filter plate 26 for cooperating with outlet pipe 23 is fixedly inserted in filter cartridge 21, rotating rod 27 is rotatably inserted on filter cartridge 21, scraping frame 28 is rotatably sleeved on rotating rod 27, and scraping frame 28 can be attached to the inner side of arc-shaped filter plate 26, and symmetrically arranged brush plate 29 is fixedly installed on the inner side of scraping frame 28, and brush plate 29 can be movably contacted with the inner side of arc-shaped filter plate 26, and arrayed push plate 210 is fixedly installed on the inner side of scraping frame 28, and push plate 210 is used in cooperation with V-shaped pipe 25.

[0021] By adopting the above technical scheme, when in use, the conduit of the medium to be heat-exchanged is connected with the inlet pipe 22 in communication and the column tube heat exchanger body 1 is opened to perform heat exchange operation. During this period, the medium to be heat-exchanged is guided into the inlet pipe 22, and then the medium to be heat-exchanged is accelerated and guided out by the V-shaped pipe 25 and pushes the four push plates 210 to rotate. After that, the medium to be heat-exchanged is guided to the arc-shaped filter plate 26 and filtered by the arc-shaped filter plate 26. Then, the filtered medium to be heat-exchanged is guided into the column tube heat exchanger body 1 by the outlet pipe 23 and the inlet liquid pipe 11 to perform heat exchange operation. At the same time, the push plate 210 can drive the scraping frame 28 and the brush plate 29 to rotate, so that the scraping frame 28 and the brush plate 29 can alternately contact with the arc-shaped filter plate 26, thereby the impurities intercepted by the arc-shaped filter plate 26 can be scraped, so that the phenomenon of the intercepted impurities accumulating and blocking the arc-shaped filter plate 26 can be avoided, thereby ensuring the normal use of the filtering mechanism 2.

[0022] The limiting mechanism 3 comprises a limiting rod 31 and a guide rod 32. The limiting rod 31 is slidingly inserted into the end of the outlet pipe 23 and can slidingly fit with the end of the inlet liquid pipe 11. The end of the outlet pipe 23 is provided with an array of sliding holes 211, and the limiting rod 31 is slidingly inserted into the sliding holes 211. The sliding holes 211 are arranged to limit and guide the movement of the limiting rod 31. The opposite ends of the limiting rod 31 are fixedly provided with a sleeve ring 33, and the opposite sides of the sleeve ring 33 are fixedly provided with a spring 34. The outer wall of the sleeve ring 33 is provided with a cooperating groove 37, and the grooves 37 are arranged in an array. The grooves 37 are arranged to increase friction and facilitate operation. The spring 34 is movably sleeved on the limiting rod 31, and the end of the spring 34 is fixedly connected with the outlet pipe 23. The guide rod 32 is fixedly inserted into the outlet pipe 23. The outlet pipe 23 is provided with an array of insertion holes 212, and the guide rod 32 is fixedly inserted into the insertion holes 212. The insertion holes 212 are arranged to provide protection for the stable insertion of the guide rod 32. The end of the inlet liquid pipe 11 is provided with an array of guide holes 12, and the guide rod 32 can be slidingly inserted into the guide holes 12. A sealing ring 35 is movably sleeved on the guide rod 32, and the sealing ring 35 can movably contact with the end of the inlet liquid pipe 11. The sealing ring 35 is provided with an array of through holes 36, and the guide rod 32 can movably pass through the through holes 36.

[0023] By adopting the technical scheme, when in use, the two sleeves 33 are held and moved in the opposite direction, so as to drive the two limiting rods 31 to move in the opposite direction and stretch the two springs 34, and when the distance between the two limiting rods 31 is maximum, the sleeves 33 are stopped, then the outlet pipe 23 is sleeved on the inlet pipe 11 and the guide rods 32 are inserted into the corresponding guide holes 12, and after the sealing rings 35 are extruded and deformed, the two sleeves 33 are loosened at one time, at this time, the springs 34 drive the corresponding sleeves 33 to reset, so as to drive the corresponding limiting rods 31 to reset, and then the limiting rods 31 are clamped with the end of the inlet pipe 11 and the outlet pipe 23 is conveniently and stably fixed on the inlet pipe 11.

[0024] Working principle: when in use, the two sleeves 33 are held and moved in the opposite direction, so as to drive the two limiting rods 31 to move in the opposite direction and stretch the two springs 34, and when the distance between the two limiting rods 31 is maximum, the sleeves 33 are stopped, then the outlet pipe 23 is sleeved on the inlet pipe 11 and the guide rods 32 are inserted into the corresponding guide holes 12, and after the sealing rings 35 are extruded and deformed, the two sleeves 33 are loosened at one time, at this time, the springs 34 drive the corresponding sleeves 33 to reset, so as to drive the corresponding limiting rods 31 to reset, and then the limiting rods 31 are clamped with the end of the inlet pipe 11 and the outlet pipe 23 is conveniently and stably fixed on the inlet pipe 11;

[0025] Then the guide pipe of the medium to be heat-exchanged is connected with the inlet pipe 22 in communication and the tube heat exchanger body 1 is started to perform heat exchange work, during which, the medium to be heat-exchanged is guided into the inlet pipe 22, then the medium to be heat-exchanged is accelerated and guided out by the V-shaped pipe 25 and pushes the four push plates 210 to rotate, then the medium to be heat-exchanged is guided to the arc-shaped filter plate 26 and filtered by the arc-shaped filter plate 26, then the filtered medium to be heat-exchanged is guided into the tube heat exchanger body 1 by the outlet pipe 23 and the inlet pipe 11 to perform heat exchange work, at the same time, the push plates 210 drive the scraping frame 28 and the brush plate 29 to rotate, so as to make the scraping frame 28 and the brush plate 29 alternately contact with the arc-shaped filter plate 26, and then the impurities intercepted by the arc-shaped filter plate 26 are scraped, so as to avoid the phenomenon that the intercepted impurities are accumulated and blocked in the arc-shaped filter plate 26, and then the normal use of the filtering mechanism 2 is ensured.

[0026] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technologies thereof, the present application also intends to include these modifications and variations.

Claims

1. A chemical production shell-and-tube heat exchanger comprising a shell-and-tube heat exchanger body (1), characterized in that: One end of the column tube heat exchanger body (1) is provided with a liquid inlet pipe (11), and the liquid inlet pipe (11) is detachably provided with a filtering mechanism (2), and one end of the filtering mechanism (2) is provided with a limiting mechanism (3) used in cooperation with the liquid inlet pipe (11). The filtering mechanism (2) comprises a filter cylinder (21), a inlet pipe (22) and an outlet pipe (23) are communicated on the filter cylinder (21), and the outlet pipe (23) can be slidably sleeved on the liquid inlet pipe (11), a partition plate (24) is fixedly inserted in the inner cavity of the inlet pipe (22), and a V-shaped pipe (25) is fixedly inserted on the partition plate (24), an arc-shaped filter plate (26) used in cooperation with the outlet pipe (23) is fixedly inserted in the filter cylinder (21), a rotating rod (27) is rotatably inserted on the filter cylinder (21), a scraping frame (28) is rotatably sleeved on the rotating rod (27), the scraping frame (28) can be attached to the inner side of the arc-shaped filter plate (26), and symmetrically arranged brush plates (29) are fixedly installed on the scraping frame (28), the brush plates (29) can be in movable contact with the inner side of the arc-shaped filter plate (26), and arrayed push plates (210) are fixedly installed on the inner side of the scraping frame (28), and the push plates (210) are used in cooperation with the V-shaped pipe (25).

2. A chemical production shell-and-tube heat exchanger as claimed in claim 1, characterized in that The limiting mechanism (3) comprises a limiting rod (31) and a guide rod (32), the limiting rod (31) is slidably inserted into the end of the outlet pipe (23), and the limiting rod (31) can be slidably attached to the end of the liquid inlet pipe (11), the opposite ends of the limiting rod (31) are fixedly sleeved with sleeve rings (33), the opposite sides of the sleeve rings (33) are fixedly installed with springs (34), the springs (34) are movably sleeved on the limiting rod (31), the ends of the springs (34) are fixedly connected with the outlet pipe (23), and the guide rod (32) is fixedly inserted into the outlet pipe (23).

3. A chemical production shell-and-tube heat exchanger as claimed in claim 2, characterized in that The guide rod (32) is movably sleeved with a sealing ring (35), and the sealing ring (35) can be in movable contact with the end of the liquid inlet pipe (11).

4. A chemical production shell-and-tube heat exchanger as claimed in claim 3, characterized in that Arrayed through holes (36) are formed through the sealing ring (35), and the guide rod (32) can be movably penetrated through the through holes (36).

5. A chemical production shell-and-tube heat exchanger as claimed in claim 2, characterized in that, Arrayed grooves (37) are formed on the outer wall of the sleeve ring (33) for cooperation, and the grooves (37) are arrayed.

6. A chemical production shell-and-tube heat exchanger as claimed in claim 2, characterized in that, Arrayed sliding holes (211) are formed through the end of the outlet pipe (23), and the limiting rod (31) is slidably inserted into the sliding holes (211).

7. A chemical production shell-and-tube heat exchanger as claimed in claim 2, characterized in that, Arrayed insertion holes (212) are formed through the outlet pipe (23), and the guide rod (32) is fixedly inserted into the insertion holes (212).

8. A chemical production shell-and-tube heat exchanger as claimed in claim 1, characterized in that, Perforations (213) are formed through the partition plate (24), and the V-shaped pipe (25) is fixedly inserted into the perforations (213).

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