Heat exchange structure of waste gas treatment sublimator

Abstract

The utility model discloses a heat exchange structure of a waste gas treatment sublimator, and belongs to the technical field of waste gas treatment, the heat exchange structure comprises a tubular heat exchanger body, and a water outlet and a water inlet which are oppositely arranged on the tubular heat exchanger body, the filtering mechanism comprises a protection box installed on the water inlet, a first connecting pipe used for being connected with the water inlet is fixedly installed on the protection box, a filtering cylinder is arranged in the protection box, and a first sealing ring is arranged between the first connecting pipe and the filtering cylinder; the whole protection box is in a box body shape and particularly plays a role in protecting the filtering structure in the protection box, the filtering barrel is of a cylindrical filtering structure, the filtering structure is installed outside the shell and tube heat exchanger body through the protection box, blockage clearing operation can be more conveniently provided for the filtering barrel, the maintenance cost is reduced, and the working efficiency is improved. And the overall maintenance efficiency is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of waste gas treatment, and particularly relates to a waste gas treatment sublimator heat exchange structure. BACKGROUND

[0002] With the continuous advancement of industrialization, waste gas treatment technology has been widely applied. In many waste gas treatment systems, the heat exchanger, as one of the important devices, bears the function of transferring the heat in the waste gas to another medium, and is widely applied in the fields of metallurgy, chemical industry, energy and the like. However, in the use process of the heat exchanger, since the waste gas contains a large amount of solid impurities, the impurities flow into the heat exchanger along with the gas, and a large amount of dirt is accumulated on the pipe wall and the heat exchange surface of the heat exchanger, forming a scaling phenomenon.

[0003] At present, the filter screen of many tube-type heat exchangers is located in the inside of the scaling layer, and the impurities and dirt are easily accumulated on the surface of the filter screen. Since the filter screen is inconvenient to clean, the maintenance and cleaning work usually needs to be carried out during shutdown, which not only increases the maintenance cost of the equipment, but also affects the production efficiency.

[0004] Therefore, the application provides a waste gas treatment sublimator heat exchange structure to solve the above problems. SUMMARY

[0005] The application provides a waste gas treatment sublimator heat exchange structure, and aims to solve the problem that the filter screen of many tube-type heat exchangers is located in the inside of the scaling layer, and the impurities and dirt are easily accumulated on the surface of the filter screen, resulting in the inconvenience of cleaning the filter screen.

[0006] To achieve the above object, the application provides the following technical scheme: a waste gas treatment sublimator heat exchange structure, comprising a tube-type heat exchanger body and a drainage port and a water inlet port oppositely arranged on the tube-type heat exchanger body, and a filter mechanism is installed on the water inlet port.

[0007] The filter mechanism comprises a protection box installed on the water inlet port, a first connecting pipe for being connected with the water inlet port is fixedly installed on the protection box, a filter cartridge is arranged in the inside of the protection box, a first sealing ring is arranged between the first connecting pipe and the filter cartridge, a second connecting pipe is arranged at the lower end of the filter cartridge, and a water pipe is installed at the lower end of the second connecting pipe. By installing the filter structure on the outside of the tube-type heat exchanger body through the protection box, the filter cartridge can be more conveniently provided with the unblocking operation, the maintenance cost is reduced, and the overall maintenance efficiency is improved.

[0008] Preferably, the inside of the protective box is provided with a cover cylinder sleeved on the filter cylinder, the inside of the cover cylinder is provided with a ring-shaped array of brushes, the cover cylinder is sleeved on the outside of the filter cylinder, and the cover cylinder plays a shielding protection role on the filter cylinder, and the brushes on the inside of the cover cylinder can clean the impurities attached to the outer wall of the filter cylinder.

[0009] Preferably, the outside of the cover cylinder is sleeved with an inclined gear ring, a shaft rod is inserted into the protective box, one end of the shaft rod close to the inside of the protective box is provided with a driving gear for meshing connection with the inclined gear ring, the other end of the shaft rod away from the protective box is fixedly installed with a rotating wheel, and the lower end of the inclined gear ring is connected with the upper end of the second connecting pipe, so that the rotating wheel can be rotated to drive the cover cylinder to rotate and the brushes in the cover cylinder can wipe the surface of the filter cylinder without disassembling the protective box.

[0010] Preferably, the inside of the protective box is fixedly installed with a fixing frame for sleeving the shaft rod.

[0011] Preferably, the outside of the cover cylinder is sleeved with a limiting ring, a groove is formed in the limiting ring, and a second sealing ring is sleeved on the cover cylinder at the groove. The limiting ring sleeved on the outside of the cover cylinder plays a stabilizing role during rotation of the cover cylinder, and the second sealing ring in the groove of the limiting ring can guarantee the sealing performance during rotation.

[0012] Preferably, the water pipe is provided with a blow-off pipe, and the water pipe is provided with a butterfly valve at the end away from the second connecting pipe. When the blow-off pipe is opened, the sewage for flushing impurities can be discharged outward along the blow-off pipe, so that the secondary attachment of the cleaned impurities can be avoided.

[0013] The heat exchange structure, the protective box is in the form of a box body, and specifically plays a protection role on the filter structure in the box body. The filter cylinder is a cylindrical filter structure. The filter structure is installed on the outside of the column tube type heat exchanger body by means of the protective box, so that the filter cylinder can be more conveniently cleaned, the maintenance cost is reduced, and the overall maintenance efficiency is improved.

[0014] The heat exchange structure, by installing a fixing frame in the inside of the protective box and inserting a shaft rod into the fixing frame, installing a driving gear and a rotating wheel on the two ends of the shaft rod respectively, and meshing the driving gear with the inclined gear ring, the rotating wheel can be rotated to drive the cover cylinder to rotate without disassembling the protective box, so that the brushes in the cover cylinder can wipe the surface of the filter cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structure diagram of a waste gas treatment sublimator heat exchange structure.

[0016] Fig. 2This is a structural schematic diagram of the cross-section of the protective box;

[0017] Fig. 3 This is a structural schematic diagram of the cross-section of the cover.

[0018] In the picture:

[0019] 1. Shell and tube heat exchanger body; 2. Drain outlet; 3. Inlet; 4. Filter mechanism; 41. Protective box; 42. First connecting pipe; 43. First sealing ring; 44. Filter cylinder; 45. Cover; 451. Limiting ring; 452. Second sealing ring; 46. Brush; 47. Inclined gear ring; 48. Second connecting pipe; 49. Drive gear; 491. Fixing frame; 492. Rotary wheel; 5. Water pipe; 51. Sewage pipe; 6. Butterfly valve. Detailed Implementation

[0020] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0021] This embodiment provides a heat exchange structure for a waste gas treatment sublimation device, such as... Figs. 1-3 As shown, the heat exchange structure includes a shell-and-tube heat exchanger body 1 and a drain outlet 2 and a water inlet 3 disposed opposite to each other on the shell-and-tube heat exchanger body 1. A filter mechanism 4 is installed on the water inlet 3.

[0022] The filtration mechanism 4 includes a protective box 41 installed on the water inlet 3. A first connecting pipe 42 for connecting to the water inlet 3 is fixedly installed on the protective box 41. A filter cylinder 44 is provided inside the protective box 41. A first sealing ring 43 is provided between the first connecting pipe 42 and the filter cylinder 44. A second connecting pipe 48 is provided at the lower end of the filter cylinder 44. A water pipe 5 is installed at the lower end of the second connecting pipe 48.

[0023] Specifically, the protective box 41 is a box-shaped structure that protects the internal filter structure. The filter cartridge 44 is a cylindrical filter structure. By mounting the filter structure on the outside of the shell-and-tube heat exchanger body 1 with the protective box 41, it is easier to clean the filter cartridge 44, reduce maintenance costs, and improve overall maintenance efficiency.

[0024] The protective box 41 has a cover 45 fitted onto the filter cartridge 44, and the inside of the cover 45 has a ring array of brushes 46.

[0025] More specifically, the cover 45, by being fitted over the outside of the filter cylinder 44, serves to protect the filter cylinder 44 while, in conjunction with the brush 46 inside the cover 45, cleaning away impurities adhering to the outer wall of the filter cylinder 44.

[0026] An inclined gear ring 47 is fitted on the outside of the cover 45. A shaft is inserted into the protective box 41. A drive gear 49 for meshing with the inclined gear ring 47 is provided at one end of the shaft near the inside of the protective box 41. A rotating wheel 492 is fixedly installed at the other end of the shaft away from the protective box 41. The lower end of the inclined gear ring 47 is connected to the upper end of the second connecting pipe 48. A fixing bracket 491 for fitting the shaft is fixedly installed inside the protective box 41.

[0027] Furthermore, by installing a fixing bracket 491 inside the protective box 41 and inserting the shaft through it, and installing a drive gear 49 and a rotating wheel 492 at both ends of the shaft respectively, with the drive gear 49 meshing with the inclined gear ring 47, the operator can rotate the rotating wheel 492 to drive the cover 45 to rotate without disassembling the protective box 41, so that the brush 46 inside the cover 45 can wipe and clean the surface of the filter cartridge 44.

[0028] A limiting ring 451 is fitted on the outside of the cover 45. The limiting ring 451 has a groove, and a second sealing ring 452 is fitted on the cover 45 at the groove.

[0029] It should be noted that the limiting ring 451 fitted on the outside of the cover 45 plays a stabilizing role during the rotation of the cover 45, and together with the second sealing ring 452 in the groove of the limiting ring 451, it can ensure the sealing during rotation.

[0030] A drain pipe 51 is installed on the water pipe 5, and a butterfly valve 6 is installed at the end of the water pipe 5 away from the second connecting pipe 48.

[0031] It is worth mentioning that when the shell and tube heat exchanger body 1 is closed, when the impurities attached to the surface of the filter cylinder 44 are cleaned by rotating the cover cylinder 45, the butterfly valve 6 is rotated to prevent sewage backflow, and then the drain pipe 51 is opened so that the sewage that washes away the impurities can be discharged outward along the drain pipe 51, avoiding the impurities that cannot be discharged and will cause secondary adhesion.

[0032] In use, the filter cartridge 44 is a cylindrical filter structure. The filter structure is installed outside the shell and tube heat exchanger body 1 by relying on the protective box 41. If impurities accumulate on the outer surface of the filter cartridge 44 and block the filter holes, the operator can rotate the rotating wheel 492 to drive the cover 45 to rotate without disassembling the protective box 41. The brush 46 inside the cover 45 will wipe the surface of the filter cartridge 44 to clean the blockage. At the same time, the butterfly valve 6 is turned to prevent sewage backflow. Then the drain pipe 51 is opened so that the sewage that washes away the impurities can be discharged outward along the drain pipe 51, avoiding the impurities that cannot be discharged and will cause secondary adhesion.

[0033] The above description is merely a preferred embodiment of this application, but the scope of protection of this application is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this application, based on the technical solution and concept of this application, should be included within the scope of protection of this application.

Claims

1. An exhaust gas treatment sublimator heat exchange structure, comprising a shell-and-tube heat exchanger body (1) and a water outlet (2) and a water inlet (3) oppositely arranged on the shell-and-tube heat exchanger body (1), wherein a filtering mechanism (4) is installed on the water inlet (3). characterized in that The filtering mechanism (4) comprises a protective box (41) installed on the water inlet (3), wherein a first connecting pipe (42) for connecting with the water inlet (3) is fixedly installed on the protective box (41), a filter cartridge (44) is arranged in the protective box (41), a first sealing ring (43) is arranged between the first connecting pipe (42) and the filter cartridge (44), a second connecting pipe (48) is arranged at the lower end of the filter cartridge (44), and a water pipe (5) is installed at the lower end of the second connecting pipe (48).

2. The waste gas treatment sublimator heat exchange structure according to claim 1, characterized in that: The protective box (41) is internally provided with a cover cylinder (45) sleeved on the filter cartridge (44), and the cover cylinder (45) is internally provided with brushes (46) arranged in an annular array.

3. The waste gas treatment sublimator heat exchange structure according to claim 2, characterized in that: The cover cylinder (45) is externally sleeved with an inclined gear ring (47), a shaft rod is inserted into the protective box (41), a driving gear (49) for meshing and connecting with the inclined gear ring (47) is arranged at the end of the shaft rod close to the interior of the protective box (41), a rotating wheel (492) is fixedly installed at the end of the shaft rod away from the protective box (41), and the lower end of the inclined gear ring (47) is connected with the upper end of the second connecting pipe (48).

4. The waste gas treatment sublimator heat exchange structure according to claim 3, characterized in that: A fixing frame (491) for sleeving the shaft rod is fixedly installed in the protective box (41).

5. The waste gas treatment sublimator heat exchange structure according to claim 4, characterized in that: The cover cylinder (45) is externally sleeved with a limiting ring (451), a groove is formed in the limiting ring (451), and a second sealing ring (452) sleeved on the cover cylinder (45) is arranged in the groove.

6. The exhaust gas treatment sublimator heat exchange structure of claim 1, wherein: A blowdown pipe (51) is installed on the water pipe (5), and a butterfly valve (6) is installed at the end of the water pipe (5) away from the second connecting pipe (48).

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