CN221310582U

CN221310582U - Sulfur melting assembly

Info

Publication number: CN221310582U
Application number: CN202323197670.0U
Authority: CN
Inventors: 程涛; 田双泉; 周永龙; 杨威
Original assignee: Yichang Western Chemical Co ltd
Current assignee: Yichang Western Chemical Co ltd
Priority date: 2023-11-27
Filing date: 2023-11-27
Publication date: 2024-07-12
Anticipated expiration: 2033-11-27

Abstract

The utility model discloses a sulfur melting assembly, and belongs to the technical field of sulfuric acid production. Comprises a tank body and a heater; the heater comprises a cover plate, a coil pipe and a supporting frame, wherein the cover plate is arranged at the top of the tank body; the support frame is composed of four upright posts, the four upright posts are arranged in a rectangular shape, two upright posts on one diagonal line are first upright posts, two upright posts on the other diagonal line are second upright posts, hanging rods are arranged at two ends of each layer of pipe joint, two ends of each hanging rod are fixedly connected with the inner sides of the pipe joints, a plurality of hanging components are arranged on the first upright posts and correspond to the pipe joints in a vertical side-by-side mode, the two first upright posts are respectively positioned at the inner sides of the two hanging rods, and the hanging components are positioned at the lower sides of the corresponding hanging rods and are bent upwards at the outer ends of the corresponding hanging rods so as to be hung on the outer sides of the hanging rods; the second upright post is positioned on the adjacent inner side of the coil pipe, and a supporting bulge is arranged at the position corresponding to the pipe joint on the second upright post; the plurality of supporting bulges on the same second upright post are arranged side by side up and down, and the supporting bulges are positioned at the lower sides of the corresponding pipe joints.

Description

Sulfur melting assembly

Technical Field

The utility model belongs to the technical field of sulfuric acid production, and particularly relates to a sulfur melting assembly which is a rapid sulfur melting tank, a coarse filtering tank, a filter aid tank, a middle tank or a fine filtering tank and the like.

Background

The patent with the application number of CN201921499630.2 discloses a sulfur melting device capable of effectively reducing ash content, which comprises a sulfur hopper, a fast melting tank, a middle tank and a liquid sulfur storage tank, wherein the sulfur hopper is connected with the fast melting tank through a feeding belt; the device also comprises a lime hopper, a coarse filter tank, a coarse filter pump, a filter aid tank, a filter aid pump, a filter unit, a middle tank pump, a fine filter and a fine filter tank, wherein the lime hopper is connected with the fast melting tank through a feeding belt; the fast melting tank is higher than the coarse filtering tank and is connected with the coarse filtering tank through a pipeline, the coarse filtering tank and the auxiliary filtering tank are lower than the filter unit and the fine filtering filter, liquid sulfur in the coarse filtering tank can overflow into the auxiliary filtering tank, and the fine filtering tank is lower than the fine filtering filter; the rough filtering groove is connected with a feed inlet of the filter unit through a pipeline with a rough filtering pump, and an overflow port of the rough filtering groove is communicated with the auxiliary filtering groove; the filter-aid tank is connected with a feed inlet of the filter unit through a pipeline with a filter-aid pump; the discharge port of the filter unit is connected with the auxiliary filter tank and the middle tank through pipelines, and the sewage discharge port and the overflow port of the filter unit are connected with the rough filter tank through pipelines; the middle tank is connected with a feed inlet of the fine filtering filter through a pipeline with a middle tank pump; the discharge port of the fine filtering filter is connected with the auxiliary filtering tank and the fine filtering tank through pipelines, and the sewage discharge port and the overflow port of the fine filtering filter are connected with the coarse filtering tank through pipelines; the fine filtration tank is connected with the liquid sulfur storage tank through a pipeline.

Namely, a rapid sulfur melting tank, a coarse filtration tank, a secondary filtration tank, a middle tank, a fine filtration tank and the like are used in the sulfur melting process, and the structures are tank bodies (sulfur melting components) with heaters.

Referring to fig. 1, the prior art sulfur melting assembly includes a tank body, a heater in the tank body, and the like. The heater comprises a cover plate, a coil pipe arranged on the lower side of the cover plate along the vertical direction, a supporting frame in the tank body and the like. The cover plate is arranged at the top of the groove body. The support frame is vertically arranged, the bottom of the support frame is fixed at the bottom in the tank body, the top of the support frame is fixedly connected with the lower side of the cover plate, the support frame is positioned at the adjacent inner side of the coil pipe, and the support frame is composed of a plurality of (three or four) upright posts. The coil pipe is provided with a plurality of layers of pipe joints from bottom to top, and the air inlet and the air outlet of the coil pipe penetrate out of the cover plate. Wherein, the stand is vertical to be set up and it is located the inboard of coil pipe in order to support the coil pipe.

The applicant found when using the prior art that: the heater is easy to deform in the use process, so that the heat exchange effect is poor (such as serious bending of a pipeline and influence on steam flow) and water and air leakage are caused, but the heater on the sulfur melting equipment is very difficult to overhaul (sulfur is not well discharged, and toxic gas can be generated when the sulfur contacts with air).

Disclosure of utility model

The embodiment of the utility model provides a sulfur melting assembly, which is used for improving a heater, avoiding excessive change of the pitch and the diameter of a coil, ensuring the stability of the coil and prolonging the service life (having practical significance on sulfur melting equipment). The technical scheme is as follows:

The embodiment of the utility model provides a sulfur melting assembly, which comprises a tank body 1 and a heater in the tank body 1; the heater comprises a cover plate 2, a coil pipe 3 arranged on the lower side of the cover plate 2 along the vertical direction and a supporting frame in the tank body 1, wherein the cover plate 2 is arranged on the top of the tank body 1; the support frame is vertically arranged, the bottom of the support frame is fixed at the bottom in the tank body 1, the top of the support frame is fixedly connected with the lower side of the cover plate 2, and the support frame is positioned on the adjacent inner side of the coil pipe 3; the coil pipe 3 is provided with a plurality of layers of pipe joints from bottom to top, and an air inlet and an air outlet of the coil pipe penetrate out of the cover plate 2; the support frame consists of four upright posts, the four upright posts are arranged in a rectangular shape, two upright posts on one diagonal line are first upright posts 4, two upright posts on the other diagonal line are second upright posts 5, two ends of each layer of pipe joint are respectively provided with a hanging rod 6, two ends of each hanging rod 6 are fixedly connected with the inner sides of the pipe joints, a plurality of hanging components 7 on the same first upright post 4 are arranged side by side up and down, the two first upright posts 4 are respectively positioned on the inner sides of the two hanging rods 6, and the hanging components 7 are positioned on the lower sides of the corresponding hanging rods 6 and the outer ends of the hanging components are bent upwards to be hung on the outer sides of the hanging rods 6; the second upright post 5 is positioned on the adjacent inner side of the coil pipe 3, and a supporting protrusion 8 is arranged on the second upright post corresponding to each layer of pipe joint; the supporting protrusions 8 on the same second upright 5 are arranged side by side up and down, and the supporting protrusions 8 are located on the lower sides of the corresponding pipe joints.

Preferably, the hanging rod 6 in the embodiment of the present utility model is a hollow circular tube.

The supporting protrusion 8 in the embodiment of the present utility model is a metal cylinder perpendicular to the second pillar 5.

Specifically, in the embodiment of the utility model, the hanging rods 6 on the same side are arranged side by side up and down and are positioned on the same vertical surface, the vertical surfaces of the hanging rods 6 on the two sides are parallel to each other, and the distance between the hanging rods and the corresponding ends of the pipe joints is 30-50mm.

In the embodiment of the utility model, the upright posts are angle irons, the arms at the outer side of the first upright post 4 are parallel to the vertical surface where the hanging rod 6 is positioned, and the arms at the outer side of the second upright post 5 are parallel to the tangent line at the corresponding position of the coil pipe 3.

The hooking component 7 in the embodiment of the utility model comprises a hook-shaped bolt and a nut, wherein the hook-shaped bolt is hooked on the outer side of the middle part of the hanging rod 6; the screw rod of the hook-shaped bolt is horizontally arranged, is arranged along the radial direction of the coil pipe 3, is positioned at the lower side of the hanging rod 6, penetrates through the first upright post 4 inwards, and is provided with a nut; said nut bearing against the inner side of the first upright 4.

Further, a flange opening 9 is arranged at the top of the groove body 1 in the embodiment of the utility model along the vertical direction, the cover plate 2 is a flange plate matched with the flange opening 9, and the flange plate is fixed on the flange opening 9 through flange bolts.

Further, a rectangular frame 10 matched with the bottom of the supporting frame is arranged at the bottom of the supporting frame in the embodiment of the utility model, and the rectangular frame 10 is welded at the bottom in the tank body 1; the bottom of the upright post is fixed on the rectangular frame 10, and the top of the upright post is propped against the lower side of the cover plate 2 and is fixedly connected with the cover plate 2 through bolts.

The sulfur melting assembly in the embodiment of the utility model is a rapid sulfur melting tank, a coarse filtering tank, a filter aid tank, a middle tank or a fine filtering tank.

The technical scheme provided by the embodiment of the utility model has the beneficial effects that: the embodiment of the utility model provides a sulfur melting assembly, which is used for improving a heater, four upright posts can ensure the stable diameter of a coil pipe, a hooking assembly can ensure the stable pitch and diameter of the coil pipe, and a supporting protrusion can ensure the stable pitch of the coil pipe; the excessive change of the pitch and the diameter of the coil can be avoided, the stability of the coil is ensured, and the service life is prolonged.

Drawings

FIG. 1 is a schematic view of a prior art sulfur melting assembly;

FIG. 2 is a schematic view of the structure of a sulfur melting assembly in an embodiment of the utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2;

fig. 4 is a schematic structural view of a combination of coil, first upright, second upright, hanger bar, hooking component, and support protrusion.

In the figure: 1 groove body, 2 apron, 3 coil pipes, 4 first stands, 5 second stands, 6 peg, 7 hook subassembly, 8 supporting bulge, 9 flange mouths, 10 rectangular frame.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.

Example 1

Referring to fig. 2-4, embodiment 1 provides a sulfur melting assembly that may be a flash sulfur melting tank, a coarse filter tank, a secondary filter tank, an intermediate tank, a fine filter tank, or the like. The sulfur melting assembly comprises a tank body 1, heaters (usually a plurality of heaters) in the tank body 1, and other structures such as a stirrer, a temperature sensor, a liquid level sensor, a feed port, a discharge port or a slag discharge port can be arranged according to requirements. The heater comprises a cover plate 2, a coil pipe 3 arranged on the lower side of the cover plate 2 along the vertical direction, a supporting frame in the tank body 1 and the like, and the cover plate 2 is arranged (preferably detachably arranged) on the top of the tank body 1. Specifically, the top of cell body 1 is equipped with flange mouth 9 along vertical direction, and apron 2 is with flange mouth 9 complex ring flange, and coil pipe 3 and apron 2 coaxial setting, the ring flange passes through flange bolt fastening on flange mouth 9. The coil pipe 3 is provided with a plurality of layers of pipe joints from bottom to top, and the air inlet and the air outlet of the coil pipe penetrate out of the cover plate 2. The support frame is vertically arranged, the bottom of the support frame is fixed at the bottom in the tank body 1, the top of the support frame is fixedly (preferably detachably and fixedly) connected with the lower side of the cover plate 2, and the support frame is positioned on the adjacent inner side of the coil pipe 3 and comprises a rectangular frame 10 and four upright posts thereon. Four stand are the rectangle and arrange, rectangular frame 10 and rectangle cooperation, and two stand on one diagonal are first stand 4, and two stand on another diagonal are second stand 5. The rectangular frame 10 is welded at the inner bottom of the tank body 1. The bottom of the column is fixed to the rectangular frame 10 by welding or bolts or the like, and the top thereof is abutted against the underside of the cover plate 2 and fixedly connected with the cover plate 2 by bolts. The both ends of every layer of tube coupling all are equipped with peg 6, and peg 6's both ends and the inboard fixed connection of tube coupling, peg 6's setting needs to cooperate with first stand 4. The first upright 4 is provided with a hooking component 7 corresponding to each layer of pipe joint, a plurality of hooking components 7 on the same first upright 4 are arranged side by side up and down, two first uprights 4 are respectively positioned on the inner sides of two hanging rods 6, and the hooking components 7 are positioned on the lower sides of the corresponding hanging rods 6 and the outer ends of the hooking components 7 are bent upwards to be hooked on the outer sides of the hanging rods 6. The second upright post 5 is positioned on the adjacent inner side of the coil pipe 3, and a supporting protrusion 8 is arranged on the second upright post corresponding to each layer of pipe joint. The supporting bulges 8 on the same second upright 5 are arranged side by side up and down, and the supporting bulges 8 are positioned at the lower sides of the corresponding pipe joints.

Preferably, the hanger bar 6 in the present embodiment is a hollow circular tube to reduce weight and to thermally telescopic fit with the coil 3.

The supporting protrusion 8 in the embodiment of the present utility model is a metal cylinder (specifically, horizontally disposed) perpendicular to the second pillar 5.

The hooking component 7 in the embodiment of the utility model comprises a hook-shaped bolt, a nut and the like, wherein the hook-shaped bolt is hooked on the outer side of the middle part of the hanging rod 6, and the outer end of the hook-shaped bolt is bent upwards in an arc shape. The screw of the hook bolt is arranged horizontally, it is arranged along the radial direction of the coil pipe 3, it is positioned at the lower side of the hanging rod 6, it passes inwards through the first upright 4, and a nut is arranged on it. The nut abuts against the inside of the first upright 4 to lock the hanger bar 6 to the first upright 4.

Example 2

Referring to fig. 2 to 4, embodiment 2 provides a sulfur melting assembly having the same structure as that of embodiment 1 except that: in the embodiment of the utility model, the two second upright posts 5 are arranged in parallel front and back, the two first upright posts 4 are arranged in parallel left and right, the hanging rods 6 are arranged at the left and right ends of the pipe joint, and the hanging rods 6 are arranged along the front and back direction (due to the structure of the pipe joint, the hanging rods 6 are slightly inclined). The distance between the left hanging rod 6 and the left end of the pipe joint (the inner diameter of the pipe joint is 1000 mm) is 45mm. The hooking component 7 is arranged along the left and right directions, and the supporting bulge 8 is arranged along the front and back directions.

Example 3

Example 3 provides a rapid sulfur melting tank having a structure substantially the same as that of example 1, except that: the diameter of the tank body 1 in this embodiment is 6000mm and its height is 3800mm. The number of the heaters is 8, the stirrer is arranged in the center of the top of the tank body 1, and the 8 heaters are uniformly distributed around the stirrer. The material of the tank body 1 is Q235-A, the design pressure is normal pressure, and the design temperature is 135-145 ℃. The heater is made of 20 steel, the design pressure is 0.55Mpa, the design temperature is 160-165 ℃, and the heating medium is saturated steam.

The "first" and "second" in this patent only play a role of distinguishing, and have no other special meaning.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. A sulfur melting assembly, which comprises a tank body (1) and a heater in the tank body (1); the heater comprises a cover plate (2), a coil pipe (3) arranged on the lower side of the cover plate (2) along the vertical direction and a supporting frame in the tank body (1), wherein the cover plate (2) is arranged on the top of the tank body (1); the support frame is vertically arranged, the bottom of the support frame is fixed at the inner bottom of the groove body (1), the top of the support frame is fixedly connected with the lower side of the cover plate (2), and the support frame is positioned at the adjacent inner side of the coil pipe (3); the coil pipe (3) is provided with a plurality of layers of pipe joints from bottom to top, and an air inlet and an air outlet of the coil pipe penetrate through the cover plate (2) upwards; the support frame is characterized by comprising four upright posts, wherein the four upright posts are arranged in a rectangular shape, two upright posts on one diagonal are first upright posts (4), two upright posts on the other diagonal are second upright posts (5), hanging rods (6) are arranged at two ends of each layer of pipe joint, two ends of each hanging rod (6) are fixedly connected with the inner sides of the pipe joints, a hanging assembly (7) is arranged on each first upright post (4) and corresponds to each layer of pipe joint, a plurality of hanging assemblies (7) on the same first upright post (4) are arranged side by side up and down, the two first upright posts (4) are respectively positioned at the inner sides of the two hanging rods (6), and the hanging assemblies (7) are positioned at the lower sides of the corresponding hanging rods (6) and the outer ends of the hanging assemblies are bent upwards to be hung on the outer sides of the hanging rods (6); the second upright post (5) is positioned on the adjacent inner side of the coil pipe (3), and a supporting bulge (8) is arranged on the second upright post corresponding to each layer of pipe joint; the plurality of supporting bulges (8) on the same second upright post (5) are arranged side by side up and down, and the supporting bulges (8) are positioned at the lower sides of the corresponding pipe joints.

2. The sulfur melting assembly according to claim 1, wherein the hanger bar (6) is a hollow round tube.

3. The sulfur melting assembly of claim 1, wherein the support protrusion (8) is a metal cylinder perpendicular to the second pillar (5).

4. The sulfur melting assembly according to claim 1, wherein the hanging rods (6) on the same side are arranged side by side up and down and are positioned on the same vertical surface, the vertical surfaces of the hanging rods (6) on the two sides are parallel to each other, and the distance between the hanging rods and the corresponding ends of the pipe joints is 30-50mm.

5. The sulfur melting assembly of claim 4, wherein the upright is angle iron, the arm outside the first upright (4) is parallel to the vertical plane where the hanging rod (6) is located, and the arm outside the second upright (5) is parallel to the tangent line at the corresponding position of the coil pipe (3).

6. Sulfur melting assembly according to claim 1, characterized in that the hooking assembly (7) comprises a hook bolt and a nut, the hook bolt being hooked outside the middle of the hooking rod (6); the screw rod of the hook-shaped bolt is horizontally arranged, is arranged along the radial direction of the coil pipe (3), is positioned at the lower side of the hanging rod (6), penetrates through the first upright post (4) inwards, and is provided with a nut; the nut is abutted against the inner side of the first upright (4).

7. The sulfur melting assembly according to claim 1, wherein a flange opening (9) is formed in the top of the groove body (1) in the vertical direction, the cover plate (2) is a flange plate matched with the flange opening (9), and the flange plate is fixed on the flange opening (9) through flange bolts.

8. The sulfur melting assembly according to claim 1, wherein the bottom of the supporting frame is provided with a rectangular frame (10) matched with the supporting frame, and the rectangular frame (10) is welded at the inner bottom of the tank body (1); the bottom of the upright post is fixed on the rectangular frame (10), and the top of the upright post is propped against the lower side of the cover plate (2) and is fixedly connected with the cover plate (2) through bolts.

9. The sulfur melting assembly of claim 1 wherein the sulfur melting assembly is a flash sulfur melting tank, a coarse filter tank, a secondary filter tank, an intermediate tank, or a fine filter tank.