Carbonizer heightening structure for calcium production special for PVC (Polyvinyl Chloride)

Abstract

The utility model provides a heightening structure of a carbonization tower for calcium production special for PVC (polyvinyl chloride), which belongs to the technical field of calcium carbonate production and comprises a limiting mounting part, a heightening sleeve, a top cover plate, a plurality of reinforcing plates and an annular protective fence. A first limiting groove and a sealing layer are arranged on the limiting mounting part, the heightening sleeve is fixedly mounted at the upper end of the carbonization tower, the lower end of the heightening sleeve is mounted in the first limiting groove in a matched manner, the top cover plate is fixedly mounted at the upper end of the heightening sleeve, and a through hole is formed in the top cover plate; the reinforcing plate is fixedly installed on the top cover plate, the annular protective fence is fixedly installed on the top cover plate, and an access opening is formed in the annular protective fence. According to the heightening structure of the carbonation tower for calcium production special for PVC, heightening treatment is carried out on the carbonation tower by means of the limiting installation piece and the heightening sleeve, cost is high, stability is high, and meanwhile the using effect of the heightening structure is improved by means of the reinforcing plate and the annular protective guard.

Description

Technical Field

[0001] The utility model belongs to the technical field of calcium carbonate production, and more specifically relates to a carbonization tower heightening structure for PVC special calcium production. Background Art

[0002] In the production process of calcium carbonate, the carbonation process is very important and directly affects the quality of the produced calcium carbonate. At present, the carbonation operation of slaked lime is carried out in a carbonation tower to ensure sufficient carbonation of the slaked lime and ensure production quality; however, due to the limitations of the carbonation tower itself, in order to increase the production capacity of calcium carbonate, the existing carbonation tower needs to be heightened. There are two main existing methods. One is to directly replace the carbonation tower, which is faster but more expensive; the other is to modify the upper end of the old carbonation tower, dismantle the upper end of the old carbonation tower, and heighten it; although this method reduces costs, the heightened structure has poor stability and poor use effect. Utility Model Content

[0003] The purpose of the utility model is to provide a carbonation tower heightening structure for PVC special calcium production, so as to solve the technical problems of high operating cost, insufficient stability and poor use effect of the heightening treatment of the carbonation tower in the prior art.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is to provide a carbonization tower heightening structure for PVC special calcium production, comprising:

[0005] A position-limiting mounting member is used for being fixedly mounted on the upper end of the carbonization tower; a first position-limiting groove is provided on the upper end of the position-limiting mounting member, and a sealing layer is provided on the inner wall of the first position-limiting groove;

[0006] A height-increasing sleeve is fixedly mounted on the upper end of the carbonization tower; the lower end of the height-increasing sleeve is fitted into the first limiting groove, and the height-increasing sleeve is fixedly connected to the limiting mounting member;

[0007] A top cover plate is fixedly mounted on the upper end of the height-increasing sleeve and is used to close the height-increasing sleeve; a through hole is formed on the top cover plate;

[0008] There are multiple reinforcing plates, which are fixedly mounted on the top cover plate; the multiple reinforcing plates are arranged along the circumference of the top cover plate;

[0009] The annular guardrail is fixedly mounted on the top cover plate and is located outside the upper end of the top cover plate; an inlet and outlet opening is provided on the annular guardrail.

[0010] In a possible implementation, two concentrically arranged arc plates are provided on the upper end of the position-limiting mounting member, and a mounting distance is provided between the two arc plates. The mounting distance and the two arc plates form the first position-limiting groove.

[0011] In a possible implementation, there are multiple position-limiting mounting members, all of which are used to be installed at the upper end of the carbonization tower; and the multiple position-limiting mounting members are evenly arranged in a ring-shaped manner.

[0012] In a possible implementation, the limiting mounting member is an annular structure, and two concentrically arranged annular plates are provided at the upper end; an installation distance is provided between the two annular plates, and the installation distance and the two annular plates form the first limiting groove.

[0013] In a possible implementation, a second limiting groove for cooperating with the upper end of the carbonization tower is provided at the lower end of the limiting mounting member, and a sealing layer is provided on the inner wall of the second limiting groove.

[0014] In one possible implementation, the limiting mounting member is provided with a pin hole passing through the first limiting groove, the height increasing sleeve is provided with a connecting hole coaxially aligned with the pin hole, and the limiting mounting member and the height increasing sleeve are connected via a pin shaft passing through the pin hole and the connecting hole.

[0015] In one possible implementation, the top cover plate is a conical cylinder that is smaller at the top and larger at the bottom, the lower end of the conical cylinder is connected to the upper end of the height-raising sleeve, and the upper end of the conical cylinder is the through hole; the reinforcing plate is arranged at an angle and fixedly mounted on the outer surface of the conical cylinder; an outward-extending annular flange is provided on the outer side of the lower end of the conical cylinder, and the annular guardrail is fixedly mounted on the annular flange.

[0016] In a possible implementation, a connecting pipe corresponding to the through hole is fixedly provided on the top cover plate.

[0017] In a possible implementation, an annular baffle is provided on the inner side of the lower end of the annular guardrail, and an escape opening corresponding to the entry and exit opening is provided on the annular baffle.

[0018] In a possible implementation, the carbonization tower heightening structure for PVC-specific calcium production further includes:

[0019] The transition ladder is arranged obliquely, and the upper end is connected to the top cover plate; the transition ladder corresponds to the entry and exit opening.

[0020] The beneficial effects of the carbonation tower heightening structure for PVC-specific calcium production provided by the utility model are as follows: compared with the prior art, the carbonation tower heightening structure for PVC-specific calcium production provided by the utility model, after the top of the old carbonation tower is removed, a limit mounting piece is set at the upper end of the carbonation tower, and the limit mounting piece is fixedly connected to the carbonation tower; a heightening sleeve consistent with the inner and outer diameters of the carbonation tower is installed at the upper end of the carbonation tower, and under the action of the heightening sleeve, the effective height of the carbonation tower is increased, thereby improving the production capacity of calcium carbonate. Then, a top cover plate is fixedly installed on the upper end of the heightening sleeve to close the top of the heightening sleeve, and a through hole is reserved, and a reinforcing plate is set on the top cover plate to improve the bearing capacity and strength of the top cover plate; finally, an annular guardrail is installed on the outer side of the top cover plate to surround the top cover plate, so that staff can enter the top cover plate through the access opening and work on the top cover plate safely and reliably. This method, using position-limiting mountings and height-raising sleeves to elevate the carbonation tower, offers a lower cost and greater stability. The enhanced structure's effectiveness is also enhanced by the use of reinforcing plates and annular guardrails. The resulting calcium carbonate achieves a purity exceeding 98w / % and a whiteness exceeding 95%, fully meeting the performance standards for PVC-grade calcium carbonate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0022] Figure 1 A front view of a carbonizing tower heightening structure for PVC-specific calcium production provided by an embodiment of the present utility model;

[0023] Figure 2 A top view of the carbonization tower heightening structure for PVC special calcium production provided by the embodiment of the utility model Figure 1 ;

[0024] Figure 3 Schematic diagram of the structure of the limit installation member provided in the embodiment of the utility model Figure 1 ;

[0025] Figure 4 A cross-sectional view of a position limiting mounting member provided in an embodiment of the present utility model;

[0026] Figure 5 Schematic diagram of the structure of the limit installation member provided in the embodiment of the utility model Figure 2 ;

[0027] Figure 6A schematic diagram of the partial connection between the top cover plate and the height-raising sleeve provided in an embodiment of the present utility model;

[0028] Figure 7 A top view of the carbonization tower heightening structure for PVC special calcium production provided by the embodiment of the utility model Figure 2 .

[0029] Among them, the reference numerals in the figures are:

[0030] 1. Position-limiting mounting member; 11. First position-limiting groove; 12. Sealing layer; 13. Annular plate; 14. Second position-limiting groove; 15. Pin hole; 16. Pin shaft; 17. Arc plate; 2. Heightening sleeve; 3. Top cover plate; 31. Through hole; 32. Connecting pipe; 33. Annular flange; 4. Reinforcement plate; 5. Annular guardrail; 51. Inlet and outlet opening; 52. Annular baffle; 6. Transition ladder; 7. Carbonization tower. DETAILED DESCRIPTION

[0031] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0032] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0033] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0034] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0035] See also Figures 1 to 7The height-increasing structure of a carbonizing tower for PVC calcium production provided by the present invention is now described. A height-increasing structure of a carbonizing tower for PVC calcium production includes a position-limiting mounting member 1, a height-increasing sleeve 2, a top cover plate 3, a reinforcing plate 4, and an annular guardrail 5. The position-limiting mounting member 1 is used to be fixedly mounted on the upper end of the carbonizing tower 7. The upper end of the position-limiting mounting member 1 is provided with a first position-limiting groove 11, and the inner wall of the first position-limiting groove 11 is provided with a sealing layer 12. The height-increasing sleeve 2 is fixedly mounted on the upper end of the carbonizing tower 7. The lower end of the height-increasing sleeve 2 is fitted into the first position-limiting groove 11. The raising sleeve 2 is fixedly connected to the limit mounting member 1; the top cover plate 3 is fixedly mounted on the upper end of the raising sleeve 2 and is used to close the raising sleeve 2; a through hole 31 is provided on the top cover plate 3; there are multiple reinforcing plates 4, which are fixedly mounted on the top cover plate 3; multiple reinforcing plates 4 are arranged circumferentially along the top cover plate 3; the annular guardrail 5 is fixedly mounted on the top cover plate 3 and is located on the outer side of the upper end of the top cover plate 3; an inlet and outlet opening 51 is provided on the annular guardrail 5.

[0036] The carbonation tower heightening structure for PVC-specific calcium production provided by the utility model is, compared with the prior art, the following steps: after the top of the old carbonation tower is removed, a position limiting mounting member 1 is provided at the upper end of the carbonation tower, and the position limiting mounting member 1 is fixedly connected to the carbonation tower; a heightening sleeve 2 having the same inner and outer diameters as the carbonation tower is installed at the upper end of the carbonation tower, and the effective height of the carbonation tower is increased under the action of the heightening sleeve 2, thereby increasing the production capacity of calcium carbonate. A top cover plate 3 is then fixedly installed at the upper end of the heightening sleeve 2 to close the top of the heightening sleeve 2, and a through hole 31 is reserved, and a reinforcing plate 4 is provided on the top cover plate 3 to increase the bearing capacity and strength of the top cover plate 3; finally, an annular guardrail 5 is installed on the outer side of the top cover plate 3 to surround the top cover plate 3, so that staff can enter the top cover plate 3 through the access opening 51 and work on the top cover plate 3 safely and reliably. In this way, the carbonation tower is heightened with the help of the limiting mounting member 1 and the heightening sleeve 2, which is cost-effective and has high stability. At the same time, the use effect of the heightening structure is also improved with the help of the reinforcing plate 4 and the annular guardrail 5.

[0037] See also Figure 1 、 Figure 3 and Figure 4As a specific embodiment of the carbonation tower heightening structure for PVC-specific calcium production provided by the utility model, two concentrically arranged arc plates 17 are provided at the upper end of the limiting mounting member 1, and an installation spacing is provided between the two arc plates 17. The installation spacing and the two arc plates 17 form a first limiting groove 11; that is, the vertical cross-section of the limiting mounting member 1 and the two arc plates 17 is U-shaped. Before installing the heightening sleeve 2, the limiting mounting member 1 is fixed on the old carbonation tower, and the first limiting groove 11 is arranged upward. Then, when installing the heightening sleeve 2, the lower end of the heightening sleeve 2 is installed into the first limiting groove 11 and fixedly connected to the limiting mounting member 1, so that the heightening sleeve 2 is stably installed on the carbonation tower. The first limiting groove 11 formed by the two arc plates 17 is installed in coordination with the outer wall of the heightening sleeve 2, so that the installation of the heightening sleeve 2 is safer and more secure.

[0038] As a specific embodiment of the carbonization tower heightening structure for PVC special calcium production provided by the utility model, there are multiple limit mounting parts 1, and all are used to be installed at the upper end of the carbonation tower 7; multiple limit mounting parts 1 are evenly arranged at intervals in a ring shape; multiple limit mounting parts 1 are evenly arranged at intervals along the circumference of the upper end of the carbonation tower. Therefore, when installing the heightening sleeve 2, the lower end of the heightening sleeve 2 is simultaneously installed into the multiple first limit grooves 11 of the multiple limit mounting parts 1, so that the installation force of the heightening sleeve 2 is more uniform and more secure.

[0039] See also Figure 1 、 Figure 4 and Figure 5 As a specific embodiment of the carbonization tower height increase structure for PVC-specific calcium production provided by the utility model, the limiting mounting member 1 is an annular structure, and two concentrically arranged annular plates 13 are provided at the upper end; an installation spacing is provided between the two annular plates 13, and the installation spacing and the two annular plates 13 form a first limiting groove 11; the limiting mounting member 1 is set as an annular structure, so that the first limiting groove 11 is also a complete annular groove. When the height increase sleeve 2 is installed on the limiting mounting member 1, the lower end of the height increase sleeve 2 is completely installed in the first limiting groove 11, so that the outer side surface of the lower end of the height increase sleeve 2 is completely restricted in the first limiting groove 11, and all places are subject to the limiting effect, and the installation is more firm and reliable. Specifically, two concentrically arranged annular plates 13 are installed on the upper end face of the limiting mounting member 1, and the first limiting groove 11 is formed between the two annular plates 13.

[0040] See also Figures 1 to 5As a specific embodiment of the carbonation tower height increase structure for PVC special calcium production provided by the utility model, the lower end of the limiting mounting member 1 is provided with a second limiting groove 14 for cooperating with the upper end of the carbonation tower 7, and a sealing layer 12 is provided on the inner wall of the second limiting groove 14; the second limiting groove 14 is provided at the lower end of the limiting mounting member 1, so when the limiting mounting member 1 is pre-installed on the carbonation tower, the second limiting groove 14 is cooperating with the upper end of the carbonation tower for installation; thereby improving the stability of the connection between the limiting mounting member 1 and the carbonation tower; at the same time, the sealing layer 12 is provided to ensure that the connection between the limiting mounting member 1 and the carbonation tower has good sealing performance.

[0041] See also Figures 1 to 5 As a specific embodiment of the carbonization tower height-enhancing structure for PVC calcium production provided by the present invention, a pin hole 15 is provided on the position-limiting mounting member 1, which extends through the first position-limiting groove 11. A connecting hole coaxially aligned with the pin hole 15 is provided on the height-enhancing sleeve 2. The position-limiting mounting member 1 and the height-enhancing sleeve 2 are connected via a pin 16 that passes through the pin hole 15 and the connecting hole. When the height-enhancing sleeve 2 is installed in the first position-limiting groove 11 of the position-limiting mounting member 1, the connecting hole and the pin hole 15 are coaxially aligned. The pin 16 then passes through the pin hole 15 and the connecting hole, thereby securely connecting the height-enhancing sleeve 2 and the position-limiting mounting member 1. A plurality of connecting holes and pin holes 15 are provided, and the holes are evenly distributed.

[0042] See also Figure 1 、 Figure 2 and Figure 6 As a specific embodiment of the carbonization tower heightening structure for PVC special calcium production provided by the utility model, the top cover plate 3 is a conical cylinder with a small top and a large bottom. The lower end of the conical cylinder is opposite to the upper end of the heightening sleeve 2, and the upper end of the conical cylinder is a through hole 31; the reinforcing plate 4 is arranged at an angle and fixedly mounted on the outer surface of the conical cylinder; the outer side of the lower end of the conical cylinder is provided with an outwardly extending annular flange 33, and the annular guardrail 5 is fixedly mounted on the annular flange 33; the conical cylinder is small at the top and large at the bottom, and the lower end is adapted to the upper end of the heightening sleeve 2; the conical cylinder is a flat structure, and the ratio of the diameter of the lower end of the conical cylinder to the height is ten to one to six to one, so that the staff can operate on the top cover plate 3. At the same time, multiple inclined reinforcing plates 4 are arranged in a ring along the slope direction of the conical cylinder. The lower end of the conical cylinder is provided with an annular flange 33 extending outward in the horizontal direction, and the lower end of the annular guardrail 5 is fixed on the annular flange 33, which is more stable and safe.

[0043] See also Figure 1 and Figure 2As a specific embodiment of the carbonization tower height increase structure for PVC-specific calcium production provided by the utility model, a connecting pipe 32 corresponding to the through hole 31 is fixedly provided on the top cover plate 3; the connecting pipe 32 is arranged vertically, and the lower end of the connecting pipe 32 is fixedly connected to the top cover plate 3, and the connecting pipe 32 is communicated with the through hole 31; the connecting pipe 32 is used to increase the effective use length of the through hole 31.

[0044] See also Figure 1 、 Figure 6 、 Figure 7 As a specific embodiment of the carbonization tower height-enhancing structure for PVC calcium production provided by the present invention, an annular baffle 52 is provided on the inner side of the lower end of the annular guardrail 5, and an escape opening corresponding to the access opening 51 is provided on the annular baffle 52. The annular baffle 52 is arranged circumferentially around the top cover plate 3, thereby effectively protecting the working area on the upper end surface of the top cover plate 3, preventing tools, components, etc. from sliding off the upper end surface of the top cover plate 3. At the same time, the escape opening is provided on the annular baffle 52 to prevent it from interfering with or obstructing the access opening 51.

[0045] See also Figure 7 As a specific embodiment of the carbonation tower heightening structure for PVC calcium production provided by the present invention, the carbonation tower heightening structure further includes a transition ladder 6, which is arranged at an angle and connected at its upper end to the top cover plate 3. The transition ladder 6 corresponds to the access opening 51. The transition ladder 6 is arranged on one side of the heightening sleeve 2 to facilitate workers to smoothly access the top cover plate 3 using the transition ladder 6. A house is provided on one side of the carbonation tower, and the top of the house is slightly lower than the top cover plate 3. Therefore, one end of the transition ladder 6 is connected to the top of the house, and the other end is connected to the top cover plate 3, corresponding to the access opening 51, making it easier for workers to access the top cover plate 3.

[0046] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A carbonization tower heightening structure for PVC special calcium production, characterized in that: include: A position-limiting mounting member is used for being fixedly mounted on the upper end of the carbonization tower; a first position-limiting groove is provided on the upper end of the position-limiting mounting member, and a sealing layer is provided on the inner wall of the first position-limiting groove; A height-increasing sleeve is fixedly mounted on the upper end of the carbonization tower; the lower end of the height-increasing sleeve is fitted into the first limiting groove, and the height-increasing sleeve is fixedly connected to the limiting mounting member; A top cover plate is fixedly mounted on the upper end of the height-increasing sleeve and is used to close the height-increasing sleeve; a through hole is formed on the top cover plate; There are multiple reinforcing plates, which are fixedly mounted on the top cover plate; the multiple reinforcing plates are arranged along the circumference of the top cover plate; The annular guardrail is fixedly mounted on the top cover plate and is located outside the upper end of the top cover plate; an inlet and outlet opening is provided on the annular guardrail.

2. The carbonizing tower heightening structure for PVC calcium production according to claim 1, characterized in that: Two concentrically arranged arc plates are provided at the upper end of the position-limiting mounting member, and a mounting distance is provided between the two arc plates. The mounting distance and the two arc plates form the first position-limiting groove.

3. The carbonizing tower heightening structure for PVC calcium production according to claim 2, characterized in that: There are multiple position-limiting mounting members, all of which are used to be mounted on the upper end of the carbonization tower; and the multiple position-limiting mounting members are evenly arranged in a ring-shaped pattern.

4. The carbonizing tower heightening structure for PVC calcium production according to claim 1, characterized in that: The position-limiting mounting member is an annular structure, and two concentrically arranged annular plates are provided at the upper end; a mounting distance is provided between the two annular plates, and the mounting distance and the two annular plates form the first position-limiting groove.

5. The carbonizing tower heightening structure for PVC calcium production according to claim 1, characterized in that: The lower end of the limiting installation piece is provided with a second limiting groove for cooperating with the upper end of the carbonization tower, and a sealing layer is provided on the inner wall of the second limiting groove.

6. The carbonizing tower heightening structure for PVC calcium production according to claim 1, characterized in that: The limiting mounting piece is provided with a pin hole passing through the first limiting groove, the height increasing sleeve is provided with a connecting hole coaxially aligned with the pin hole, and the limiting mounting piece and the height increasing sleeve are connected via a pin shaft passing through the pin hole and the connecting hole.

7. The carbonizing tower heightening structure for PVC calcium production according to claim 1, characterized in that: The top cover plate is a conical cylinder that is smaller at the top and larger at the bottom. The lower end of the conical cylinder is connected to the upper end of the height-raising sleeve, and the upper end of the conical cylinder is the through hole. The reinforcing plate is arranged at an angle and is fixedly mounted on the outer surface of the conical cylinder. An outwardly extending annular flange is provided on the outer side of the lower end of the conical cylinder, and the annular guardrail is fixedly mounted on the annular flange.

8. The carbonizing tower heightening structure for PVC calcium production according to claim 1, characterized in that: The top cover is fixedly provided with a connecting pipe corresponding to the through hole.

9. The carbonizing tower heightening structure for PVC calcium production according to claim 1, characterized in that: An annular baffle is provided on the inner side of the lower end of the annular guardrail, and an escape opening corresponding to the inlet and outlet opening is provided on the annular baffle.

10. The carbonization tower height-increasing structure for PVC calcium production according to claim 9, characterized in that: The carbonizing tower heightening structure for PVC special calcium production also includes: The transition ladder is arranged obliquely, and the upper end is connected to the top cover plate; the transition ladder corresponds to the entry and exit opening.

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