Acid-resistant composite lining of chemical kettle

Abstract

The utility model discloses an acid-resistant composite lining for a chemical kettle, which relates to the technical field of chemical kettle accessories and comprises a mounting seat and a lining plate, the mounting seat and the lining plate are both of arc-shaped structures, and a first positioning block is fixedly arranged in the middle of the outer side of the mounting seat. First positioning grooves corresponding to the first positioning blocks are formed in the inner walls of the two sides of the lining plate, an extending block is fixedly arranged in the middle of the inner side of the lining plate, two inserting grooves are formed in the two sides of the extending block, inserting blocks are arranged in the two inserting grooves in an inserted mode, and limiting grooves are formed in the two sides of the mounting base. The chemical kettle lining structure is provided with the mounting seat and the lining plate, the mounting seat and the lining plate form the chemical kettle lining structure, the mounting plate can be directly fixed on the inner wall of the chemical kettle through fasteners such as bolts, the lining plate can be clamped on one side of the mounting seat through the insertion blocks on the two sides of the lining plate, and the mounting seat is matched with the lining plate, so that flexible mounting in the chemical kettle can be realized; therefore, the chemical kettle lining is convenient to install and maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical kettle accessories, in particular to an acid-resistant composite lining of a chemical kettle. Background Art

[0002] Reactor equipment in the chemical industry is prone to rust and other phenomena due to being corroded by different chemical substances inside and outside, causing damage to the equipment and thus affecting the production process. At present, the anti-corrosion treatment of the surface of steel structure materials is generally to add a layer of lining rubber sheet on the inner surface of the reactor shell, and stick the cut lining rubber sheet piece by piece on the inner surface of the reactor shell with glue. Since large pieces of lining rubber sheet are prone to rework after splicing, the production cost is increased.

[0003] For example, a reactor lining with publication number CN105664813A relates to the field of reactor manufacturing technology, including a shell provided with an upper head, a lining rubber plate provided on the inner surface of the shell, and a plurality of vertical positioning strips are provided at intervals near the edge of the upper head on the lining rubber plate; the shell has a plurality of vertical positioning grooves distributed in a circumferential manner on the inner surface near the upper head. Compared with the prior art, the present invention can place the positioning strips on the upper edge of the lining rubber plate into the vertical positioning grooves on the inner surface of the shell one by one, which saves time and can accurately assemble the lining rubber plate.

[0004] The above technical solution has some problems in practical application. The technical solution has high requirements on the inner wall of the chemical kettle in application and it is difficult to achieve flexible installation.

[0005] Therefore, it is necessary to invent an acid-resistant composite lining for a chemical kettle to solve the above problems. Utility Model Content

[0006] The utility model aims to provide an acid-resistant composite lining for a chemical kettle to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an acid-resistant composite lining of a chemical kettle, comprising a mounting seat and a lining plate, the mounting seat and the lining plate are both arranged as an arc structure, a first positioning block is fixedly arranged in the middle of the outer side of the mounting seat, and the inner walls on both sides of the lining plate are provided with first positioning grooves corresponding to the first positioning block, an extension block is fixedly arranged in the middle of the inner side of the lining plate, and the extension block is fitted with both sides of the mounting seat, two slots are arranged on both sides of the extension block, and plug blocks are inserted inside the two slots, limiting slots are arranged on both sides of the mounting seat, and the limiting slots correspond to the plug blocks, a connecting groove is arranged between the two slots, a movable rod is arranged inside the connecting groove, pressure blocks are fixedly arranged at both ends of the movable rod, and both sides of the pressure block are arranged as inclined surfaces, and the inner side of the plug block is arranged as an inclined surface corresponding to the pressure block.

[0008] Preferably, a groove is provided at the top of the lining plate, a thread groove is penetrated through the bottom of the groove, a locking screw is penetrated through the inside of the thread groove, and the bottom end of the locking screw is movably arranged on the top of the movable rod through a bearing.

[0009] Preferably, a hexagonal nut is fixedly provided on the top end of the locking screw, and the hexagonal nut is arranged inside the groove.

[0010] Preferably, a second positioning groove is provided through the middle of the insert block, a second positioning block is provided inside the second positioning groove, and the second positioning block is fixed inside the slot.

[0011] Preferably, a spring is fixedly disposed on one side of the second positioning block, and one end of the spring is fixedly disposed on the inner wall of the second positioning groove.

[0012] Preferably, mounting grooves are provided through the four corners of the outer side wall of the mounting seat, and receiving grooves are provided at the notch of the mounting grooves.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model provides a mounting seat and a lining plate, which form a chemical kettle lining structure. The mounting plate can be directly fixed to the inner wall of the chemical kettle by bolts and other fasteners. The lining plate can be connected to one side of the mounting seat by plugs on both sides. The mounting seat cooperates with the lining plate to achieve flexible installation inside the chemical kettle, thereby facilitating the installation and maintenance of the chemical kettle lining.

[0015] 2. The utility model sets a mounting seat and a lining plate, and mounting grooves for installation are opened at the four corners of the mounting seat. The lining plate is clamped on the outside of the mounting seat. During use, the lining plate can shield and seal the mounting groove on the mounting plate to prevent the inside of the chemical kettle from easily penetrating into the mounting groove. At the same time, the lining plate and the mounting seat can achieve a double-layer protection effect, thereby effectively improving the acid resistance of the lining. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic diagram of the mounting seat structure of the utility model.

[0018] Figure 3 This is a schematic diagram of the lining plate structure of the utility model.

[0019] Figure 4 It is a schematic cross-sectional view of the liner structure of the utility model.

[0020] In the figure: 1. mounting seat; 2. lining plate; 3. positioning block; 4. positioning groove; 5. extension block; 6. slot; 7. insert block; 8. limit groove; 9. connecting groove; 10. movable rod; 11. pressure block; 12. groove; 13. threaded groove; 14. locking screw; 15. hexagonal nut; 16. positioning groove; 17. positioning block; 18. mounting groove; 19. storage groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides Figure 1-4 The acid-resistant composite lining of a chemical kettle shown in the figure comprises a mounting seat 1 and a lining plate 2, both of which are arranged in an arc-shaped structure, a first positioning block 3 is fixedly arranged in the middle of the outer side of the mounting seat 1, and first positioning grooves 4 corresponding to the first positioning block 3 are provided on the inner walls of both sides of the lining plate 2, an extension block 5 is fixedly arranged in the middle of the inner side of the lining plate 2, and the extension block 5 fits with both sides of the mounting seat 1, two slots 6 are provided on both sides of the extension block 5, and plug blocks 7 are inserted in the inside of the two slots 6, and limiting grooves 8 are provided on both sides of the mounting seat 1, and the limiting grooves 8 correspond to the plug blocks 7, and the limiting grooves 8 cooperate with the plug blocks 7 to realize the locking of the position between the mounting seat 1 and the lining plate 2;

[0023] Specifically, a connecting groove 9 is provided between the two slots 6, and a movable rod 10 is provided inside the connecting groove 9. A pressing block 11 is fixedly provided at both ends of the movable rod 10, and both sides of the pressing block 11 are provided with inclined surfaces. The inner side of the plug block 7 is provided with an inclined surface corresponding to the pressing block 11. The setting of the inclined surface enables the plug block 7 to slide horizontally when the pressing block 11 squeezes the plug block 7.

[0024] More specifically, a groove 12 is provided at the top of the liner 2, a thread groove 13 is provided at the bottom of the groove 12, a locking screw 14 is provided inside the thread groove 13, and the bottom end of the locking screw 14 is movably provided at the top of the movable rod 10 through a bearing, a hexagonal nut 15 is fixedly provided at the top of the locking screw 14, and the hexagonal nut 15 is provided inside the groove 12, and the provision of the hexagonal nut 15 facilitates the staff to rotate the locking screw 14;

[0025] In addition, a second positioning groove 16 is provided through the middle of the insert block 7, a second positioning block 17 is provided inside the second positioning groove 16, and the second positioning block 17 is fixedly provided inside the slot 6, a spring is fixedly provided on one side of the second positioning block 17, and one end of the spring is fixedly provided on the inner wall of the second positioning groove 16, and the provision of the spring facilitates the reset of the insert block 7 when the liner 2 is disassembled;

[0026] Moreover, mounting grooves 18 are provided through the four corners of the outer wall of the mounting seat 1, and receiving grooves 19 are provided at the groove openings of the mounting grooves 18, and the receiving grooves 19 are used to receive the bolts in the mounting grooves 18 to facilitate the assembly between the liner 2 and the mounting seat 1.

[0027] Working principle of this utility model:

[0028] When installing the device, first place the mounting seat 1 on the inner wall of the chemical kettle, and fix the position of the mounting seat 1 by fasteners such as bolts, fix the positions of multiple mounting seats 1 in turn, then alternately place the liner 2 and the mounting seat 1, and make the extension block 5 on the inner side of the liner 2 fit with the side wall of the mounting seat 1, and then use a hexagonal wrench to rotate the hexagonal nut 15, the hexagonal nut 15 drives the locking screw 14 to rotate, the locking screw 14 cooperates with the thread groove 13, so that the movable rod 10 moves downward in the connecting groove 9, the movable rod 9 drives the pressing block 11 to move downward, the pressing block 11 squeezes the plug block 7 downward, so that the plug block 7 slides outward in the slot 6, and the plug block 7 is inserted into the limiting groove 8. At this time, the position between the liner 2 and the mounting seat 1 is fixed, and multiple liner plates 2 are installed between the mounting seats 1 from bottom to top in turn to complete the assembly of the chemical kettle liner.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A chemical reactor acid-resistant composite lining, comprising a mounting seat (1) and a lining plate (2), characterized in that: The mounting seat (1) and the lining plate (2) are both arranged as arc-shaped structures, a first positioning block (3) is fixedly arranged in the middle of the outer side of the mounting seat (1), and first positioning grooves (4) corresponding to the first positioning block (3) are provided on the inner walls of both sides of the lining plate (2), an extension block (5) is fixedly arranged in the middle of the inner side of the lining plate (2), and the extension block (5) is fitted with both sides of the mounting seat (1), and two slots (6) are provided on both sides of the extension block (5), and the two slots (6) are provided with a plurality of slots (6) and a plurality of slots (6) are provided on the inner side of the lining plate (2). Insert blocks (7) are inserted inside, and limiting grooves (8) are provided on both sides of the mounting seat (1), and the limiting grooves (8) correspond to the insert blocks (7). A connecting groove (9) is provided between the two slots (6), and a movable rod (10) is provided inside the connecting groove (9). Pressure blocks (11) are fixedly provided at both ends of the movable rod (10), and both sides of the pressure block (11) are provided with inclined surfaces, and the inner side of the insert block (7) is provided with an inclined surface corresponding to the pressure block (11).

2. The acid-resistant composite lining of a chemical reactor according to claim 1, characterized in that: The top of the lining plate (2) is provided with a groove (12), the bottom of the groove (12) is penetrated by a thread groove (13), the interior of the thread groove (13) is penetrated by a locking screw (14), and the bottom end of the locking screw (14) is movably arranged at the top of the movable rod (10) through a bearing.

3. The acid-resistant composite lining of a chemical reactor according to claim 2, characterized in that: A hexagonal nut (15) is fixedly arranged at the top end of the locking screw (14), and the hexagonal nut (15) is arranged inside the groove (12).

4. The acid-resistant composite lining of a chemical reactor according to claim 3, characterized in that: A second positioning groove (16) is provided through the middle of the insert block (7), a second positioning block (17) is provided inside the second positioning groove (16), and the second positioning block (17) is fixedly arranged inside the slot (6).

5. The acid-resistant composite lining of a chemical reactor according to claim 4, characterized in that: A spring is fixedly arranged on one side of the second positioning block (17), and one end of the spring is fixedly arranged on the inner wall of the second positioning groove (16).

6. The acid-resistant composite lining of a chemical reactor according to claim 5, characterized in that: The four corners of the outer wall of the mounting seat (1) are all provided with mounting grooves (18) penetrating therethrough, and the notch of the mounting groove (18) is provided with a receiving groove (19).

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