Integrated bubbler salt bath

Abstract

The utility model relates to an integrated bubbler salt bath, which comprises a bath body, bath edges, lifting devices, a heating device, a heat dissipation device, a flow guide device and an overflow device, the bath edges are symmetrically arranged on the upper side and the lower side of the bath body, the lifting devices comprise stirring pumps and lifting pumps which are alternately arranged in a mounting groove along the horizontal direction, two stirring pumps or two lifting pumps form a group, and the heating device and the heat dissipation device form a group. The group of pumps are symmetrically arranged on the upper and lower sides of the tank body; a group of flow guide devices are mounted in the middle of each group of pumps; the heat dissipation device is fixed beside the overflow device; the heating device is mounted in the mounting hole; the flow guiding device comprises a flow guiding support, a flow guiding tray and a flow guiding pipe. The overflow device comprises an overflow support and an overflow plate. Through the arrangement, the molten salt solution is uniformly heated, the liquid level is increased to the working height of a wire rod, and the wire rod overflows through the front overflow device and the rear overflow device, so that the salt bath of the wire rod is realized, the defects caused by the sink roller type design are effectively overcome, and the operation stability of equipment is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal salt bath quenching technical field especially relates to an integrated gushing spring salt bath tank. BACKGROUND

[0002] Salt bath quenching process is an important technology in metal heat treatment processing, and salt bath quenching is to heat metal workpieces to quenching temperature and immerse in molten salt bath for rapid quenching, which has the advantages of high quenching efficiency, short production cycle, increased strength, hardness, toughness and heat resistance of product materials, in addition, due to its anticorrosion characteristics, it can also increase the service life of workpieces and delay the occurrence of surface corrosion, wear and oxidation reaction.

[0003] At present, the salt bath tank of the salt bath production line of the steel plant generally adopts fixed submerged roller, and the wire rod needs to be submerged to the position below 400mm of the molten salt solution, and in the production process, the following problems are prone to occur: the service life of the submerged roller bearing is short in the high-temperature molten salt solution, the submerged roller is bent and deformed, wire rod is broken or twisted, the equipment runs unstably, causes a certain scrap rate, affects the normal operation of the production line, meanwhile, the number of temporary maintenance is increased, and there are certain safety hazards. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at overcoming the insufficient prior art and provides an integrated gushing spring salt bath tank, which uniformly heats the molten salt solution, lifts the liquid level to the wire rod working height and overflows through the front and rear overflow devices, realizes wire rod salt bath, effectively solves the disadvantages caused by the submerged roller type design and strengthens the stability of equipment operation.

[0005] According to the integrated gushing spring salt bath tank, the tank body, the tank edge, the lifting device, the heating device, the heat dissipation device, the flow guide device and the overflow device are symmetrical and installed on the upper and lower edges of the tank body, and the installation groove and the installation hole are arranged on the tank edge; the lifting device comprises the stirring pump and the lifting pump, one set of stirring pumps is arranged on the upper and lower edges of the tank body, one set of lifting pumps is arranged on the upper and lower edges of the tank body, one set of flow guide devices is installed in the middle of each set of pumps, and each stirring pump and each lifting pump are alternately installed in the installation groove in the horizontal direction; the heat dissipation device comprises the heat exchanger and the heat exchange pipeline, and the heat dissipation device is fixed beside the overflow device; the heating device is installed in the installation hole in the middle of the stirring pump and the lifting pump; the flow guide device comprises the flow guide support, the flow guide tray and the flow guide pipe, and the flow guide support is fixed at the bottom of the tank body; the overflow device comprises the overflow support and the overflow plate, the overflow plate is fixed on the overflow support, and the overflow support is installed on the inner wall of the left and right inlets and outlets of the tank body.

[0006] As preferred, the heating device is a squirrel cage heater, 12 in a group, installed between each stirring pump and each lifting pump.

[0007] As preferred, the flow guide tray is several, with the center of the flow guide tray communicating with the flow guide pipe, which is connected with the stirring pump or the lifting pump.

[0008] As preferred, the overflow plate is provided with several U-shaped grooves.

[0009] As preferred, the stirring pump and the lifting pump are both variable frequency pumps.

[0010] As preferred, the tank body is externally provided with thermal insulation material.

[0011] As preferred, the tank body is provided with a thermal insulation cover.

[0012] As preferred, the tank is provided with air cooling fans and air cooling pipes along the four corners.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] First, the utility model discloses a lifting device using stirring pumps and lifting pumps, which are alternately arranged, the stirring pump rotates at low speed to prevent the solidification of the molten salt solution, and the lifting pump lifts the liquid level of the molten salt solution to the working height of the wire rod through the bottom spiral propeller, so that the wire salt bath is realized, the drawbacks caused by the submerged roll type design are solved, and the stability of equipment operation is strengthened.

[0015] Second, the utility model discloses a set of flow guide devices arranged between each group of stirring pumps or lifting pumps, which are beneficial to the stable flow of the molten salt solution, the flow guide tray is fixed through the flow guide support, is firm and reliable, and the molten salt solution after lifting flows out of the flow guide tray, so that the wire rod quenching is more uniform.

[0016] Third, the utility model discloses overflow devices arranged at the left and right ends of the tank inlet and outlet, and the molten salt solution after lifting overflows through the U-shaped groove of the overflow plate, so that the liquid level height can be effectively controlled.

[0017] Fourth, the utility model discloses a plurality of heating devices arranged between the stirring pump and the lifting pump, so that the molten salt solution is heated more uniformly, and the quenching efficiency of the wire rod and the production quality are improved. DRAWINGS

[0018] Figure 1 The utility model discloses an integrated gushing spring salt bath tank structure schematic diagram.

[0019] Figure 2 The utility model discloses a flow guide support and overflow support structure schematic diagram.

[0020] Figure 3 The utility model discloses a tank edge structure schematic diagram.

[0021] Figure 4 Figure 1 is a schematic view of the overflow plate structure.

[0022] Figure 1 is a schematic view of the overflow plate structure. DETAILED DESCRIPTION

[0023] In order to make the above objectives, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without some or all of these specific details. In other instances, well known process steps have not been described in detail in order not to unnecessarily obscure the present application.

[0024] In the description of the present application, it should be understood that, if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0025] In addition, if the terms "first", "second" appear, these terms are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features referred to. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, if the term "multiple" appears, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0026] In the present application, unless specifically defined and limited otherwise, if there is a description of "mounting", "connecting", "connecting", "fixing" and the like, these terms should be broadly interpreted. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] In the present application, unless specifically defined and limited otherwise, if there is a description of "mounting", "connecting", "connecting", "fixing" and the like, these terms should be broadly interpreted. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] It should be noted that if an element is referred to as "fixed to" or "disposed on" another element, it can be directly on another element or there can be a middle element. If an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. If present, the terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in the present application are for illustrative purposes only and are not the only embodiment.

[0029] Referring to Figures 1-4 , Figure 1 An embodiment of the present application shows a schematic diagram of an integrated salt bath tank structure, including tank body 1 and tank edge 2, tank body 1 is a cuboid structure, and the outer part of tank body 1 is provided with a heat preservation plate, tank edge 2 is a mirror image of two flat plates, each flat plate is provided with four installation grooves 8 at a certain interval, which is used to install lifting device 3, a group of installation holes 9 is arranged between two adjacent installation grooves 8, which is used to install heating device 4, each group of installation holes 9 has twelve, which is divided into two rows, and each row has six. Tank edge 2 is symmetrically installed on the upper and lower edges of tank body 1, and is fully welded with the inner vertical surface of tank body 1 and is fixed by spot welding with the heat preservation plate, as shown in Figure 3 .

[0030] The lifting device 3 comprises a stirring pump 10 and a lifting pump 11, the stirring pump 10 rotates at a low speed to prevent the molten salt solution from solidifying, and the lifting pump 11 lifts the molten salt solution to the wire rod working height through the bottom screw propeller to realize the wire rod salt bath, each stirring pump 10 and each lifting pump 11 are alternately installed in the installation groove 8 in the horizontal direction, two stirring pumps 10 are a group, a group of stirring pumps 10 are symmetrically arranged on the upper and lower edges of the groove body, two lifting pumps 11 are a group, a group of lifting pumps 11 are symmetrically arranged on the upper and lower edges of the groove body, a total of four stirring pumps 10 and four lifting pumps 11 are installed, and then the matched sealing plate and circulating pipeline are installed after the pump is installed. A set of flow guide device 6 is installed in each group of stirring pumps 10 or lifting pumps 11, a total of four sets are installed, which is beneficial to control the stable flow of the molten salt solution. The flow guide device 6 comprises a flow guide support 12, a flow guide pipe 14 and a flow guide tray 13, the flow guide support 12 is a cubic support composed of a plurality of columns and beams, which is welded on the bottom of the groove body and is firm and reliable, the flow guide pipe 14 is fixed in the middle of the flow guide support 12, a plurality of circular flow guide trays 13 are arranged on the flow guide pipe 14, the center of the flow guide tray 13 is communicated with the flow guide pipe 14, and the flow guide pipe 14 is connected with the stirring pump 10 or the lifting pump 11 at both ends. When the pump works, the molten salt solution can be pumped to the flow guide pipe 14, and the molten salt solution in the flow guide pipe 14 flows out uniformly from the flow guide tray 13 to perform salt bath on the wire rod.

[0031] The overflow device 7 comprises an overflow support 15 and an overflow plate 16, the overflow support 15 is composed of a plurality of beams and columns and is welded on the inner wall of the left and right inlets and outlets of the salt bath groove, the overflow plate 16 is fixed on the overflow support, and a plurality of U-shaped grooves 17 are arranged on the overflow plate 16, as shown in the figure, the molten salt solution overflows from the U-shaped grooves 17, and the liquid level height can be effectively controlled. Figure 4

[0032] The heat dissipation device 5 comprises a heat exchanger and a heat exchange pipeline, a total of two sets of heat dissipation devices 5 are arranged, and the heat dissipation devices 5 are fixed beside the inlet and outlet overflow devices 7; the heating device 4 is a squirrel-cage heater, twelve are a group, a group of heating devices 4 are installed in the middle of each stirring pump 10 and each lifting pump 11 and are installed in the installation hole 9 of the groove edge, a total of six groups are installed, so that the salt solution is heated more uniformly, and the quenching efficiency of the wire rod and the production quality are improved.

[0033] The salt bath groove also comprises a salt adding port, an inlet and outlet branch grate, a wire supporting roller and a fixing component thereof, air cooling fans and air cooling pipelines are installed at four corners of the groove edge, and a heat preservation cover is installed above the groove body.

[0034] ​The salt bath tank is an integrated salt bath tank, through setting lifting device 3, flow guide device 6 and overflow device 7, the molten salt solution is lifted to the wire rod working height, the wire salt bath is realized, the disadvantages of easy bending deformation and short service life in the use process of the fixed type sinking roller are effectively solved, meanwhile, multiple heating devices 4 and heat dissipation devices 5 are arranged, the uniform heating of the molten salt solution can be ensured, the quenching efficiency and production quality of the wire rod are effectively improved, and the stability of equipment operation is strengthened.

[0035] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description simple, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the present application.

[0036] The above-described embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it should not be understood as the limitation of the patent application scope. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, several modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the patent protection scope of the present application should be subject to the appended claims.

Claims

1. An integrated gushing fountain salt bath tank comprising a tank body and a tank rim, characterized in that, The device also comprises lifting device, heating device, heat dissipation device, flow guide device and overflow device, The groove is arranged symmetrically on the upper and lower edges of the groove body, and the upper groove is provided with a mounting groove and a mounting hole; The lifting device comprises stirring pumps and lifting pumps, two stirring pumps form a group, the stirring pumps are symmetrically arranged on the upper and lower edges of the groove body, two lifting pumps form a group, the lifting pumps are symmetrically arranged on the upper and lower edges of the groove body, a group of flow guide devices are arranged between the pumps in each group, and each stirring pump and each lifting pump are alternately arranged in the mounting groove in the horizontal direction; The heat dissipation device comprises a heat exchanger and a heat exchange pipeline, and the heat dissipation device is fixed beside the overflow device; the heating device is arranged in the mounting hole between the stirring pumps and the lifting pumps; The flow guide device comprises a flow guide support, a flow guide tray and a flow guide pipe, and the flow guide support is fixed at the bottom of the groove body; the overflow device comprises an overflow support and an overflow plate, the overflow plate is fixed on the overflow support, and the overflow support is arranged on the inner wall of the left and right inlets and outlets of the groove body.

2. The one-piece gusher salt bath tank of claim 1, wherein, The heating device is a squirrel cage heater, and 12 heaters form a group; a group of heating devices are arranged between each stirring pump and each lifting pump.

3. The one-piece gusher salt bath tank of claim 1, wherein, The flow guide tray is provided with a plurality of flow guide trays, the center of the flow guide tray is communicated with the flow guide pipe, and the flow guide pipe is connected with the stirring pump or the lifting pump.

4. The one-piece gusher salt bath tank of claim 1, wherein, The overflow plate is provided with a plurality of U-shaped grooves.

5. The one-piece gusher salt bath tank of claim 1, wherein, The stirring pump and the lifting pump are variable frequency pumps.

6. The one-piece gusher salt bath tank of claim 1, wherein, The groove body is externally provided with heat preservation materials.

7. The one-piece gusher salt bath tank of claim 1, wherein, The groove body is provided with a heat preservation cover above.

8. The one-piece gusher salt bath tank of claim 1, wherein, The groove is provided with air cooling fans and air cooling pipelines at four corners.

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