A safe operation system for clarification tank

Abstract

The present invention discloses a safe operation system for a clarification tank, comprising a rectangular clarification tank, on which at least two fixed cover plates are arranged at intervals, a rectangular opening is formed between any two adjacent fixed cover plates, each opening is covered with a movable cover plate, and a working platform is arranged above each opening, the working platform comprises a manned basket and two strip-shaped sliding supports arranged parallel to each other, the two sliding supports are respectively fixedly arranged above the fixed cover plates on both sides of the opening along the length direction of the opening; the manned basket is arranged between the two sliding supports on both sides, and the manned basket is slidably connected to the sliding supports on both sides. The beneficial effects of the present invention are as follows: after the operator enters the manned basket to perform the operation, the manned basket plays a protective role and is easy to slide, and the movable cover plate is gradually opened to clean the clarification tank by sliding to change the position of the manned basket, which has good safety and convenient operation.

Description

Technical Field

[0001] The invention belongs to the field of chemical production equipment, and in particular relates to a safe operation system for a clarifier. Background Art

[0002] On the sulfuric acid production line of chemical enterprises, the melting sulfur device is equipped with a clarification tank. The common clarification tank is equipped with a cover plate on the opening above, which includes multiple fixed covers and movable covers. The fixed covers and movable covers are arranged alternately on the clarification tank. Each movable cover unit can be moved. When slag removal is required, the operator stands on the corresponding fixed cover plate according to the location requirements of the operation, removes a movable cover plate by himself, and then performs slag removal. Due to the incomplete safety protection facilities, there have been accidents in which operators accidentally fell from the slag removal operation port into the clarification tank and were burned. This not only caused incurable pain to the injured, but also had an adverse impact on the economic benefits of the enterprise. Therefore, it is necessary to improve the clarification tank and set up protective devices to ensure the safety of the operators. Summary of the invention

[0003] In view of this, the present invention provides a safe operation system for a clarifier tank.

[0004] The technical solution is as follows:

[0005] A safe operation system for a clarification tank, comprising a rectangular clarification tank, wherein at least two fixed cover plates are fixedly arranged on the clarification tank, the fixed cover plates are arranged at intervals, and a rectangular opening is formed between any two adjacent fixed cover plates, and a movable cover plate is respectively buckled on each of the openings;

[0006] A working platform is provided above each of the openings, the working platform comprising a manned basket and two strip-shaped sliding supports arranged parallel to each other, the two sliding supports being fixedly arranged above the fixed cover plates on both sides of the opening along the length direction of the opening;

[0007] The manned basket is arranged between two sliding supports on both sides, the manned basket is slidably connected to the sliding supports on both sides, and the manned basket is located above the movable cover plate.

[0008] The above design has the advantage that the operator can work after entering the manned basket, which plays a protective role and is easy to slide. The movable cover is gradually opened to clean the clarification tank by sliding the position of the manned basket. It has good safety and easy operation, and is particularly suitable for clarification tanks with larger areas.

[0009] As a preferred technical solution, each of the openings is covered with at least two movable cover plates, the movable cover plates are arranged along the length direction of the opening, and handles are respectively provided on the two edges of the upper surface of the movable cover plates close to the corresponding fixed cover plates;

[0010] The fixed cover plate is provided with steps near the edge of the opening, and the movable cover plate falls on the steps of the fixed cover plate located on both sides thereof.

[0011] With the above design, steps are provided on the fixed cover plate to facilitate stable installation of the movable cover plate, and handles are provided to facilitate removal and placement of the movable cover plate.

[0012] As a preferred technical solution, the sliding support comprises a horizontal support rod and at least two columns, all the columns in the same sliding support are erected on the corresponding fixed cover plate along the length direction of the opening, and the upper end of the column is provided with the same horizontal support rod;

[0013] The horizontal support rods of the two sliding supports are aligned horizontally;

[0014] The manned baskets are respectively provided with walking mechanisms corresponding to the corresponding horizontal support rods.

[0015] By adopting the above design, the structure of the sliding production is simple and reliable.

[0016] As a preferred technical solution, the manned basket comprises a horizontally arranged rectangular manned platform, the upper surface of which is provided with a fence, which is circumferentially connected to the edge of the manned platform;

[0017] The walking mechanism is respectively arranged between the fence and the horizontal support rods on both sides thereof;

[0018] Braking mechanisms are also provided between the fence and the horizontal support rods on both sides thereof.

[0019] With the above design, the manned basket has a simple structure, and a brake mechanism is provided to facilitate the manned basket to slide along the sliding support to any place to stop and lock.

[0020] As a preferred technical solution, the fence includes vertical support rods, longitudinal connecting rods and transverse connecting rods;

[0021] At least two vertical support rods are respectively erected on the edge of the manned platform close to the sliding support, and the upper end of the vertical support rod close to the same sliding support is connected to the same longitudinal connecting rod, which is arranged parallel to the horizontal support rod;

[0022] The transverse connecting rod is connected between the two vertical struts located at the same end of the two longitudinal connecting rods, and one transverse connecting rod is respectively provided near the two ends of the longitudinal connecting rod;

[0023] The vertical support rods, longitudinal connecting rods and transverse connecting rods together form the fence;

[0024] The walking mechanism is respectively arranged on the outer side of each longitudinal connecting rod.

[0025] Using the above design, the fence composed of staggered overlapping rods has a simple structure.

[0026] As a preferred technical solution, one end of the above-mentioned transverse connecting rod is hinged to a corresponding one of the vertical struts, and the other vertical strut is provided with a slot opening upward, and the free end of the transverse connecting rod is stuck in the corresponding slot.

[0027] With the above design, the fence includes a hinged transverse connecting rod, which is opened after being rotated upward, so that the operating personnel can easily enter and exit.

[0028] As a preferred technical solution, the above-mentioned walking mechanism includes a roller seat, which is connected to the corresponding longitudinal connecting rod. The roller seat is located above the horizontal support rod with a circular cross-section. Two rollers are installed under the roller seat. The two rollers are arranged in a V shape on both sides of the center line of the horizontal support rod. The two rollers straddle the horizontal support rod, and the support surfaces of the two rollers respectively abut against the horizontal support rod.

[0029] With the above design, the two rollers are arranged in a V shape and straddle the horizontal support rod. They are relatively stable under pressure and prevent the roller seat from slipping laterally. When the rollers rotate, they drive the manned basket to slide, with low friction and easy control.

[0030] As a preferred technical solution, the manned basket is provided with two walking mechanisms corresponding to the corresponding sliding supports, and the two walking mechanisms are arranged along the length direction of the horizontal support rod.

[0031] The above design is helpful to improve the sliding stability of the manned basket.

[0032] As a preferred technical solution, the above-mentioned brake mechanism includes a brake seat and a brake screw. The brake seat is connected to the longitudinal connecting rod. The brake screw is passed through the brake seat. The brake screw is threadedly engaged with the brake seat. One end of the brake screw faces the horizontal support rod and is provided with a rubber block. The other end of the brake screw is provided with a handwheel.

[0033] The above design makes it easy for operators to stand on the man basket to lock and unlock the man basket.

[0034] As a preferred technical solution, an operation hole is opened in the middle of the manned platform, and the operation hole is covered with a protective mesh plate, and the edge of the protective mesh plate is hinged to the manned platform.

[0035] With the above design, for clarification tanks with larger openings, operating holes are set on the manned platform to facilitate operators to clean the tank slag.

[0036] Compared with the prior art, the present invention has the following beneficial effects: operators enter the manned basket to perform operations, the manned basket plays a protective role and is easy to slide, and the movable cover is gradually opened to clean the clarification tank by sliding to change the position of the manned basket, which has good safety and easy operation, and is particularly suitable for clarification tanks with larger areas. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is the structural schematic diagram of the clarification tank;

[0038] Figure 2 This is a schematic diagram of the installation of the working platform;

[0039] Figure 3 for Figure 2 Enlarged view of the middle part;

[0040] Figure 4 for Figure 2 A left side view of the invention, wherein the fixed cover is not shown;

[0041] Figure 5 for Figure 2 A top view of the embodiment of the present invention, wherein the fixed cover plate is not shown;

[0042] Figure 6 for Figure 5 Schematic diagram of the middle protective screen when it is open, with the brake mechanism not shown. DETAILED DESCRIPTION

[0043] The present invention is further described below in conjunction with embodiments and drawings.

[0044] A clarification tank safety operation system includes a rectangular clarification tank 500, such as Figure 1 As shown, at least two fixed cover plates 510 are fixedly arranged on the clarification tank 500. The fixed cover plates 510 are arranged at intervals, and a rectangular opening is formed between any two adjacent fixed cover plates 510. A movable cover plate 520 is respectively buckled on each of the openings. A working platform is respectively arranged above each of the openings, and the working platform includes a manned basket 100 and two strip-shaped sliding supports 400 arranged parallel to each other, as shown in FIG. Figure 2 As shown, the two sliding supports 400 are respectively fixedly arranged above the fixed cover plates 510 on both sides of the opening along the length direction of the opening. The manned basket 100 is arranged between the two sliding supports 400 on both sides, and the manned basket 100 is slidably connected to the sliding supports 400 on both sides, and the manned basket 100 is located above the movable cover plate 520.

[0045] Each of the openings is covered with at least two movable cover plates 520, which are arranged along the length direction of the opening, and handles 521 are respectively provided on the upper surfaces of the movable cover plates 520 near the two edges of the corresponding fixed cover plates 510. The fixed cover plates 510 are provided with steps 511 near the edges of the openings, and the movable cover plates 520 fall on the steps 511 of the fixed cover plates 510 located on both sides thereof.

[0046] like Figures 2 to 6 As shown, the sliding support 400 includes a horizontal support rod 410 and at least two columns 420. All the columns 420 in the same sliding support 400 are erected on the corresponding fixed cover plate 510 or the pool wall of the clarification tank 500 along the length direction of the opening, and a reinforcing triangular rib 430 is connected between the lower end of the column 420 and the fixed cover plate 510. The upper end of the column 420 is provided with the same horizontal support rod 410 with a circular cross section. The horizontal support rods 410 of the two sliding supports 400 are aligned horizontally.

[0047] The manned basket 100 is provided with a walking mechanism 200 and a braking mechanism 300 corresponding to the corresponding horizontal support rods 410 .

[0048] The manned basket 100 includes a horizontally arranged rectangular manned platform 110, a working hole 111 is opened in the middle of the manned platform 110, and the working hole 111 is covered with a protective mesh plate 112, and the edge of the protective mesh plate 112 is hinged to the manned platform 110. A fence is provided on the upper surface of the manned platform 110, and the fence is circumferentially connected to the edge of the manned platform 110. The walking mechanism 200 and the brake mechanism 300 are respectively provided between the fence and the horizontal support rods 410 on both sides thereof.

[0049] Specifically, the fence includes vertical support rods 120, longitudinal connecting rods 130 and transverse connecting rods 140. At least two vertical support rods 120 are respectively arranged on the edge of the manned platform 110 close to the sliding support 400, and the upper end of the vertical support rods 120 close to the same sliding support 400 is connected to the same longitudinal connecting rod 130, and the longitudinal connecting rod 130 is arranged parallel to the horizontal support rod 410.

[0050] The transverse connecting rod 140 is connected between the two vertical struts 120 at the same end of the two longitudinal connecting rods 130, one end of the transverse connecting rod 140 is hinged to the corresponding transverse connecting rod 140, and the other vertical strut 120 is provided with a slot 131 opening upward, and the free end of the transverse connecting rod 140 is stuck in the slot 131. One transverse connecting rod 140 is provided near each end of the longitudinal connecting rod 130.

[0051] The vertical support rods 120, the longitudinal connecting rods 130 and the transverse connecting rods 140 are combined to form the fence. The walking mechanism 200 is respectively arranged on the outer side of each longitudinal connecting rod 130.

[0052] To facilitate the entry and exit of operators, one end of the transverse connecting rod 140 is hinged to a corresponding vertical support rod 120 , and the other vertical support rod 120 is provided with a slot 131 opening upward, and the free end of the transverse connecting rod 140 is stuck in the corresponding slot 131 .

[0053] like Figure 3 The walking mechanism 200 includes a roller seat 210, which is connected to the corresponding longitudinal connecting rod 130, and the roller seat 210 is located above the horizontal support rod 410. Two rollers 220 are installed below the roller seat 210. The two rollers 220 are arranged in a V shape on both sides of the center line of the horizontal support rod 410. The two rollers 220 straddle the horizontal support rod 410, and the supporting surfaces of the two rollers 220 respectively abut against the horizontal support rod 410. When the two rollers 220 rotate, they guide the manned basket 100 to move along the longitudinal connecting rod 130.

[0054] Specifically, the roller seat 210 is formed by bending a strip plate, and the two ends of the strip plate are bent toward the same side to form the roller seat 210. The strip plate is horizontally arranged along the direction of the transverse connecting rod 140, the middle part of the strip plate is connected to the longitudinal connecting rod 130, the two ends of the strip plate are downward, and the roller 220 is respectively provided on the lower surface of the two ends of the strip plate.

[0055] The manned basket 100 is provided with two walking mechanisms 200 corresponding to the corresponding sliding supports 400, and the two walking mechanisms 200 are arranged along the length direction of the horizontal support rod 410 and are respectively located at the two ends of the corresponding longitudinal connecting rod 130. The middle part of the longitudinal connecting rod 130 is connected with the brake mechanism 300.

[0056] like Figure 3 and 5 As shown, the brake mechanism 300 includes a brake seat 310 and a brake screw 320. The brake seat 310 is connected to the longitudinal connecting rod 130. The brake screw 320 is passed through the brake seat 310. The brake screw 320 is threadedly engaged with the brake seat 310. One end of the brake screw 320 faces the horizontal support rod 410 and is provided with a rubber block 330. The other end of the brake screw 320 is provided with a handwheel 340.

[0057] When preparing for slag removal, the transverse connecting rod 140 is rotated, the operator enters the manned basket 100, and then clamps the transverse connecting rod 140. The brake mechanism 300 is unlocked, and then the manned basket 100 is moved by external pulling or the operator grabs the horizontal support rod 410. When reaching a certain working area, the movable cover plate 520 is removed, and then the tool is used to pass through the working hole 111 or extend the manned basket 100 to perform slag removal.

[0058] Finally, it should be noted that the above description is only a preferred embodiment of the present invention. Under the guidance of the present invention, ordinary technicians in this field can make various similar expressions without violating the purpose and claims of the present invention, and such changes all fall within the scope of protection of the present invention.

Claims

1. A clarification tank safety operation system, comprising a rectangular clarification tank (500), characterized in that: At least two fixed cover plates (510) are fixedly arranged on the clarification tank (500), the fixed cover plates (510) are arranged at intervals, a rectangular opening is formed between any two adjacent fixed cover plates (510), and a movable cover plate (520) is respectively buckled on each of the openings; A working platform is provided above each of the openings, the working platform comprising a manned basket (100) and two strip-shaped sliding supports (400) arranged parallel to each other, the two sliding supports (400) being fixedly arranged above the fixed cover plates (510) on both sides of the opening along the length direction of the opening; The manned basket (100) is arranged between two sliding supports (400) on both sides, the manned basket (100) is slidably connected to the sliding supports (400) on both sides, and the manned basket (100) is located above the movable cover plate (520); The sliding support (400) comprises a horizontal support rod (410) and at least two upright columns (420); all the upright columns (420) in the same sliding support (400) are erected on the corresponding fixed cover plate (510) along the length direction of the opening, and the upper end of the upright column (420) is provided with the same horizontal support rod (410); The horizontal support rods (410) of the two sliding supports (400) are aligned horizontally; The manned basket (100) is provided with a walking mechanism (200) and a braking mechanism (300) respectively corresponding to the corresponding horizontal support rods (410); The walking mechanism (200) comprises a roller seat (210), the roller seat (210) being located above the horizontal support rod (410) having a circular cross section, two rollers (220) being installed below the roller seat (210), the two rollers (220) being arranged in a V-shape on both sides of the center line of the horizontal support rod (410), the two rollers (220) straddling the horizontal support rod (410), and the supporting surfaces of the two rollers (220) respectively abutting against the horizontal support rod (410); The brake mechanism (300) comprises a brake seat (310) and a brake screw (320); the brake seat (310) is provided with the brake screw (320); the brake screw (320) is threadedly engaged with the brake seat (310); one end of the brake screw (320) faces the horizontal support rod (410) and is provided with a rubber block (330); the other end of the brake screw (320) is provided with a hand wheel (340); The manned basket (100) comprises a manned platform (110), a working hole (111) is opened in the middle of the manned platform (110), and the working hole (111) is covered with a protective mesh plate (112); The edge of the protective mesh plate (112) is hinged to the manned platform (110).

2. A safe operation system for a clarification tank according to claim 1, characterized in that: Each of the openings is covered with at least two movable cover plates (520), the movable cover plates (520) are arranged along the length direction of the opening, and handles (521) are respectively provided at two edges of the upper surface of the movable cover plates (520) close to the corresponding fixed cover plates (510); The fixed cover plate (510) is provided with a step (511) at an edge close to the opening, and the movable cover plate (520) falls on the steps (511) of the fixed cover plate (510) located on both sides thereof.

3. A safe operation system for a clarification tank according to claim 1, characterized in that: The manned basket (100) comprises a horizontally arranged rectangular manned platform (110), the upper surface of the manned platform (110) being provided with a fence, the fence being circumferentially connected to the edge of the manned platform (110); The walking mechanisms (200) are respectively provided between the fence and the horizontal support rods (410) on both sides thereof; Braking mechanisms (300) are also provided between the fence and the horizontal support rods (410) on both sides thereof.

4. A safe operation system for a clarification tank according to claim 3, characterized in that: The fence comprises vertical support rods (120), longitudinal connecting rods (130) and transverse connecting rods (140); At least two vertical support rods (120) are respectively erected on the edge of the manned platform (110) close to the sliding support (400), and the upper ends of the vertical support rods (120) close to the same sliding support (400) are connected to the same longitudinal connecting rod (130), and the longitudinal connecting rod (130) is arranged parallel to the horizontal support rod (410); The transverse connecting rod (140) is connected between the two vertical support rods (120) located at the same end of the two longitudinal connecting rods (130), and one transverse connecting rod (140) is provided near each end of the longitudinal connecting rod (130); The vertical support rods (120), the longitudinal connecting rods (130) and the transverse connecting rods (140) together form the fence; A roller seat (210) and a brake seat (310) are respectively provided on the outer side of each longitudinal connecting rod (130).

5. A safe operation system for a clarification tank according to claim 4, characterized in that: One end of the transverse connecting rod (140) is hinged to a corresponding one of the vertical support rods (120), and the other vertical support rod (120) is provided with a slot (131) opening upward, and the free end of the transverse connecting rod (140) is clamped in the corresponding slot (131).

6. A safe operation system for a clarification tank according to claim 1, characterized in that: The manned basket (100) is provided with two walking mechanisms (200) respectively corresponding to the corresponding sliding supports (400), and the two walking mechanisms (200) are arranged along the length direction of the horizontal support rod (410).

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