A crystallization prevention device for the rear-end pipeline of a filter

Abstract

The utility model discloses a device for preventing crystallization of a pipe at the rear end of a filter, and specifically relates to the technical field of pipe crystallization prevention, including a first connecting pipe connected to one end of the pipe at the rear end of the filter, a melting mechanism for melting crystals inside the first connecting pipe is arranged outside the first connecting pipe, the melting mechanism includes two protective covers respectively arranged on both sides of the first connecting pipe, a heating pipe for heating the inside of the first connecting pipe is arranged on one side of the two protective covers close to each other, a first connecting plate is fixedly arranged on both sides of the protective cover at the top, and a second connecting plate is fixedly arranged on both sides of the protective cover at the bottom. The utility model can conveniently install two protective covers on the outside of the first connecting pipe through the melting mechanism, and the operation is simple and convenient to install. The first connecting pipe can also be fixed to the outside of the pipe at the rear end of the filter through the installation mechanism, which is convenient for installation and saves a lot of labor.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline anti-crystallization, in particular to a filter rear end pipeline anti-crystallization device. Background Art

[0002] The anti-crystallization device of the pipeline behind the filter in the chemical industry usually refers to a device used to prevent the fluid from crystallizing or solidifying in the pipeline. This device is usually installed at the rear end of the filter, that is, the part of the pipeline after the fluid is filtered. Their main function is to maintain the temperature of the fluid by heating or insulation to prevent the fluid from crystallizing or solidifying due to temperature drop, thereby affecting the normal operation of the pipeline and the fluid delivery efficiency.

[0003] For example, a Chinese patent application with application number 202222794961.7 provides a device for preventing crystallization of the rear-end pipeline of a phosphoric acid system filter, including a filter, a sealing assembly is installed at the output end of the filter, a socket assembly is installed at the end of the sealing assembly away from the filter, and a ventilation assembly is installed on the side of the socket assembly; this technical solution arranges a sealing assembly at the output end of the filter, and cooperates with the socket assembly to allow the connecting pipe and the central pipe to be socketed to ensure that the phosphoric acid solution can circulate normally, and then the socket pipe is sleeved on the outside of the central pipe, and steam is introduced into the inside of the socket pipe through the ventilation assembly to achieve insulation effect on the central pipe, so as to prevent the phosphoric acid solution inside the central pipe from being in a low-temperature environment, thereby extending the crystallization period of the phosphoric acid solution and solving the problem of multiple cleanings of the rear-end pipeline blockage of the filter in a short period of time.

[0004] However, the following problem still exists in this technical solution: in this technical solution, the first flange and the second flange are connected and fixed by bolts and screw holes, but turning multiple bolts requires a lot of effort and wastes a lot of manpower. Utility Model Content

[0005] The purpose of the utility model is to provide a device for preventing crystallization of the rear-end pipe of the filter. Through a melting mechanism, two protective covers can be conveniently installed on the outside of a first connecting pipe. The operation is simple and the installation is convenient. The first connecting pipe can also be fixed to the outside of the rear-end pipe of the filter through the installation mechanism, which is convenient for installation and saves a lot of labor, so as to solve the above-mentioned deficiencies in the technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a filter rear end pipeline anti-crystallization device, comprising a first connecting pipe connected to one end of the filter rear end pipeline, and a melting mechanism is provided outside the first connecting pipe to melt the crystals inside the first connecting pipe.

[0007] Preferably, the melting mechanism includes two protective covers respectively arranged on both sides of the first connecting pipe, and a heating tube for heating the inside of the first connecting pipe is provided on the adjacent side of the two protective covers, a first connecting plate is fixedly provided on both sides of the protective cover located at the top, and a second connecting plate is fixedly provided on both sides of the protective cover located at the bottom, two limit frames are fixedly provided on the top of the first connecting plate, a first plug-in groove is provided inside the limit frame, two connecting blocks are fixedly provided on the bottom of the second connecting plate, a second plug-in groove is provided inside the connecting block, and the same fixed plate is plugged into the limit frame and the second plug-in groove on the same side for melting the crystals inside the first connecting pipe.

[0008] Preferably, two springs are fixedly provided inside the second plug-in slot, and one end of the spring close to the fixed plate is fixedly connected to the fixed plate. A same support plate is fixedly provided between the two fixed plates on the same side, and a handle is fixedly provided on the side of the support plate away from the protective cover for driving the fixed plate to move.

[0009] Preferably, both ends of the first connecting pipe are respectively provided with mounting mechanisms for connecting to an external pipe, and the mounting mechanisms include two limiting rings arranged at both ends of the first connecting pipe, and both ends of the first connecting pipe are provided with a second connecting pipe, and an end of the second connecting pipe close to the first connecting pipe is fixedly provided with a mounting plate, and the limiting ring is connected to the mounting plate by threads for connecting to an external pipe.

[0010] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0011] 1. Put two protective covers on the outside of the first connecting pipe, then pull the handle, the handle can drive the support plate to move, use the support plate to plug the fixing plate into the first plug-in slot and the second plug-in slot, the spring inside the second plug-in slot can use its own elasticity to drive the fixing plate to be tightly inserted into the limit frame, fix the fixing plate, and fix the two protective covers on the outside of the rear end pipe of the filter through the fixing plate. Compared with the traditional method of fixing by bolts, the operation process of the utility model is simple and convenient to install;

[0012] 2. When the utility model needs to be installed on the rear-end pipe of the filter, one end of the first connecting pipe is inserted into the interior of the rear-end pipe of the filter, and then the limiting ring is rotated. The limiting ring is threadedly connected to the second connecting pipe on the rear-end pipe of the filter. The first connecting pipe can be fixed to the outside of the rear-end pipe of the filter through the limiting ring, which is convenient for installation and saves a lot of labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0014] Figure 1 It is a front view of the utility model;

[0015] Figure 2 It is a bottom view of the utility model;

[0016] Figure 3 It is an exploded view of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the installation mechanism of the utility model;

[0018] Figure 5 It is a structural schematic diagram of the melting mechanism of the utility model;

[0019] Figure 6 It is a cross-sectional view of the connecting block of the utility model.

[0020] Description of reference numerals:

[0021] 1 filter rear end pipeline, 2 first connecting pipeline;

[0022] 3 melting mechanism, 301 protective cover, 302 heating tube, 303 first connecting plate, 304 handle, 305 second connecting plate, 306 limiting frame, 307 connecting block, 308 first plug-in slot, 309 second plug-in slot, 310 fixing plate, 311 spring, 312 supporting plate;

[0023] 4 mounting mechanism, 401 limiting ring, 402 second connecting pipe, 403 mounting plate. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0025] The utility model provides Figure 1-5 The filter rear end pipeline anti-crystallization device shown comprises a first connecting pipeline 2 connected to one end of the filter rear end pipeline 1, and a melting mechanism 3 for melting crystals inside the first connecting pipeline 2 is provided outside the first connecting pipeline 2;

[0026] like Figure 5 , 6As shown, the melting mechanism 3 includes two protective covers 301 respectively arranged on both sides of the first connecting pipe 2, and a heating pipe 302 for heating the inside of the first connecting pipe 2 is arranged on the adjacent side of the two protective covers 301, and a first connecting plate 303 is fixedly arranged on both sides of the protective cover 301 at the top, and a second connecting plate 305 is fixedly arranged on both sides of the protective cover 301 at the bottom, and two limiting frames 306 are fixedly arranged on the top of the first connecting plate 303, and a first plugging slot 308 is opened inside the limiting frame 306, and the second connecting plate 303 is fixedly arranged on the top of the first connecting plate 303. Two connecting blocks 307 are fixedly arranged at the bottom, and a second plugging slot 309 is opened inside the connecting block 307. The same fixing plate 310 is plugged into the limiting frame 306 and the second plugging slot 309 on the same side. Two springs 311 are fixedly arranged inside the second plugging slot 309. One end of the spring 311 close to the fixing plate 310 is fixedly connected to the fixing plate 310. A same supporting plate 312 is fixedly arranged between the two fixing plates 310 on the same side, and a handle 304 is fixedly arranged on the side of the supporting plate 312 away from the protective cover 301;

[0027] The heating tube 302 inside the protective cover 301 can melt the crystals of the chemical product inside the first connecting pipe 2. The two protective covers 301 are put on the outside of the first connecting pipe 2, and then the handle 304 is pulled. The handle 304 can drive the support plate 312 to move. The support plate 312 is used to plug the fixing plate 310 into the first plug-in slot 308 and the second plug-in slot 309. The spring 311 inside the second plug-in slot 309 can use its own elasticity to drive the fixing plate 310 to be tightly inserted into the limit frame 306 to fix the fixing plate 310. The two protective covers 301 can be fixed to the outside of the rear end pipe 1 of the filter through the fixing plate 310. Compared with the method of fixing by bolts, the operation process of the utility model is simple and convenient to install.

[0028] When the two protective covers 301 need to be removed from the outside of the first connecting pipe 2, pull the handle 304 and use the handle 304 to drive the support plate 312 to move. By moving the support plate 312, the fixing plate 310 is pulled out from the second plug-in slot 309 and the first plug-in slot 308, and the two protective covers 301 can be removed from the first connecting pipe 2. The operation is simple.

[0029] like Figure 4 As shown, both ends of the first connecting pipe 2 are respectively provided with mounting mechanisms 4 for connecting with external pipes, and the mounting mechanisms 4 include two stop rings 401 arranged at both ends of the first connecting pipe 2, and both ends of the first connecting pipe 2 are provided with second connecting pipes 402, and one end of the second connecting pipe 402 close to the first connecting pipe 2 is fixed with a mounting plate 403, and the stop ring 401 is connected to the mounting plate 403 by threads;

[0030] When the utility model needs to be installed on the rear-end pipe 1 of the filter, one end of the first connecting pipe 2 is inserted into the rear-end pipe 1 of the filter, and then the limiting ring 401 is rotated. The limiting ring 401 is threadedly connected to the second connecting pipe 402 on the rear-end pipe 1 of the filter. The first connecting pipe 2 can be fixed to the outside of the rear-end pipe 1 of the filter through the limiting ring 401, which is convenient for installation and saves a lot of labor.

[0031] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A filter rear end pipeline anti-crystallization device, comprising a first connecting pipeline (2) connected to one end of the filter rear end pipeline (1), characterized in that: A melting mechanism (3) for melting the crystals inside the first connecting pipe (2) is provided outside the first connecting pipe (2); The melting mechanism (3) comprises two protective covers (301) respectively arranged on both sides of the first connecting pipe (2); a heating pipe (302) for heating the inside of the first connecting pipe (2) is arranged on the adjacent sides of the two protective covers (301); first connecting plates (303) are fixedly arranged on both sides of the protective cover (301) located at the top; second connecting plates (305) are fixedly arranged on both sides of the protective cover (301) located at the bottom; two limiting frames (306) are fixedly arranged on the top of the first connecting plate (303); a first plug-in slot (308) is provided inside the limiting frame (306); two connecting blocks (307) are fixedly arranged on the bottom of the second connecting plate (305); a second plug-in slot (309) is provided inside the connecting block (307); and the limiting frame (306) and the second plug-in slot (309) located on the same side are plugged with the same fixing plate (310); Both ends of the first connecting pipe (2) are respectively provided with mounting mechanisms (4) for connecting to external pipes.

2. The anti-crystallization device for the rear-end pipeline of the filter according to claim 1, characterized in that: Two springs (311) are fixedly disposed inside the second plug-in slot (309), and one end of the spring (311) close to the fixing plate (310) is fixedly connected to the fixing plate (310).

3. The anti-crystallization device for the rear-end pipeline of the filter according to claim 1, characterized in that: A common supporting plate (312) is fixedly disposed between the two fixing plates (310) located on the same side.

4. The anti-crystallization device for the rear-end pipeline of the filter according to claim 3, characterized in that: A handle (304) is fixedly provided on a side of the support plate (312) away from the protective cover (301).

5. The anti-crystallization device for the rear-end pipeline of the filter according to claim 1, characterized in that: The mounting mechanism (4) comprises two limit rings (401) arranged at both ends of a first connecting pipe (2); a second connecting pipe (402) is arranged at both ends of the first connecting pipe (2); and a mounting plate (403) is fixedly arranged at one end of the second connecting pipe (402) close to the first connecting pipe (2).

6. The anti-crystallization device for the rear-end pipeline of the filter according to claim 5, characterized in that: The limiting ring (401) is connected to the mounting plate (403) via threads.

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