CN212619373U

CN212619373U - Silicon carbide heater

Info

Publication number: CN212619373U
Application number: CN202021260566.5U
Authority: CN
Inventors: 徐小锋; 施志强
Original assignee: Jiangsu Changhong Frp Co ltd
Current assignee: Jiangsu Changhong Frp Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-02-26
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to a carborundum heater, including acidizing fluid import portion, casing and acidizing fluid export portion, be equipped with heat source import and heat source export on the casing, acidizing fluid import portion and export portion are located respectively the both ends of casing, the both ends of casing all are provided with the honeycomb panel, two respectively be provided with a plurality of each evenly distributed's heating pipe between the honeycomb panel, the heating pipe is followed the length direction of casing is the heliciform and distributes, the heating pipe is made by carborundum material. The utility model discloses have the heat exchange efficiency who improves acidizing fluid and heat source, promote the temperature of acidizing fluid to improve the effect of the utilization ratio of acidizing fluid when the pickling.

Description

Silicon carbide heater

Technical Field

The utility model belongs to the technical field of the firing equipment technique and specifically relates to a carborundum heater is related to.

Background

Acid cleaning is one of the most common methods for cleaning metal surfaces, and the acid cleaning solution generally contains hot solutions such as hydrochloric acid, sulfuric acid, phosphoric acid and hydrofluoric acid, regardless of low power detection of metal blanks or rust removal of surfaces of metal products such as strip steel. After acid washing, the workpiece can be sulfur-printed, the apparent quality of the continuous casting billet is checked, and the sulfur-printing test can show the central cracks, segregation lines, low-power structures, inclusion distribution and the like of steel ingots and continuous casting billets.

Chinese patent publication No. CN101791514A discloses a purification treatment device for acid mist during pickling, the device comprises an acid-proof acid storage tank, a graphite heater, a pickling system, an acid-proof fan, an air guide groove, a collecting barrel and a neutralization tower, wherein the air guide groove is arranged above the pickling system, an acid mist outlet of the pickling system is connected with an inlet of the acid-proof fan, an outlet of the acid-proof fan is connected with an inlet of the air guide groove, an outlet of the air guide groove is connected with the collecting barrel, the bottom or one side of the collecting barrel is connected with a liquid inlet of the acid storage tank, the top of the collecting barrel is connected with the neutralization tower, a liquid outlet of the acid storage tank is connected with a liquid inlet of the graphite heater, and a liquid.

The above prior art solutions have the following drawbacks: storing acid mist by using a collecting barrel, introducing the acid washing liquid liquefied in the collecting barrel into an acid storage tank, mixing the acid washing liquid with the acid washing liquid in the acid storage tank, and heating the mixture by using a graphite heater for next cycle of acid washing; the graphite heater has low heat exchange efficiency and insufficient acid liquor heating efficiency, thereby causing great waste of acid liquor resources.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a higher carborundum heater of heat exchange efficiency to the not enough of prior art existence.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a silicon carbide heater comprises an acid liquid inlet part, a shell and an acid liquid outlet part, wherein the shell is provided with a heat source inlet and a heat source outlet, the acid liquid inlet part and the acid liquid outlet part are respectively positioned at two ends of the shell, cellular boards are respectively arranged at two ends of the shell, a plurality of heating pipes which are uniformly distributed are arranged between the two cellular boards, the heating pipes are spirally distributed along the length direction of the shell, and the heating pipes are made of silicon carbide materials.

By adopting the technical scheme, the silicon carbide has the excellent characteristics of high strength, high hardness, good wear resistance, high temperature resistance, corrosion resistance, good thermal shock resistance, large heat conductivity coefficient, good oxidation resistance and the like, and is suitable for the use requirements of high-temperature and corrosion-resistant environments. And air-cooling from 1000 ℃ to room temperature, and no crack appears after repeating for more than 50 times; the heat conductivity coefficient is equal to stainless steel, and whole heat transfer efficiency is high, and the corrosion resistance effect is better moreover, and the heat pipe that is the heliciform and distributes can greatly improve equipment's heat exchange efficiency, and work efficiency increases, can greatly improve the temperature of acidizing fluid, conveniently carries out the pickling, improves the utilization ratio of acidizing fluid, avoids causing the waste.

The present invention may be further configured in a preferred embodiment as: the heat source inlet and the heat source outlet are respectively positioned at the upper side and the lower side of the shell, the heat source inlet is close to the acid liquor outlet part, the heat source outlet is close to the acid liquor inlet part, a drainage plate is arranged in the shell, and a through hole for the heating pipe to pass through is formed in the surface of the drainage plate.

Through adopting above-mentioned technical scheme, the drainage plate can improve the area of contact between heat source and the heat exchange tube and contact for a long time, further improves the heat exchange efficiency of equipment and the temperature of acidizing fluid.

The present invention may be further configured in a preferred embodiment as: the drainage plate is followed the length direction of casing is the heliciform and distributes, the drainage plate with heating pipe direction of rotation is opposite.

Through adopting above-mentioned technical scheme, the drainage plate that is the heliciform and distributes can further improve the heat source when the casing is inside, can let offset between them with the rotation direction of heating pipe is opposite moreover, improve equipment's heat exchange efficiency.

The present invention may be further configured in a preferred embodiment as: the outside of casing is provided with the fixed snap ring of a plurality of along its length direction, the bottom of casing is provided with a plurality of height adjusting device along its length direction, height adjusting device with fixed snap ring one-to-one, height adjusting device with fixed snap ring fixed connection.

Through adopting above-mentioned technical scheme, fixed snap ring can play the fixed action to the casing, can adjust the angle of casing through high adjusting device to keep the stability of its during operation, installation convenient to use.

The present invention may be further configured in a preferred embodiment as: the height adjusting device comprises a fixing seat, a driving assembly and an adjusting assembly, wherein the driving assembly is installed inside the fixing seat, the output end of the driving assembly is fixedly connected with the adjusting assembly, and one end of the adjusting assembly, which is far away from the driving assembly, is fixedly connected with the fixing clamping ring.

Through adopting above-mentioned technical scheme, high adjusting device's stability can be carried to the fixing base, under drive assembly's drive, drives adjusting part and moves to the position of fixed snap ring is adjusted, conveniently adjusts the angle of casing.

The present invention may be further configured in a preferred embodiment as: the driving assembly comprises a driving motor, a first bevel gear and a second bevel gear, a placing groove is formed in the fixing seat, the driving motor is located in the placing groove, the output end of the driving motor is fixedly connected with the first bevel gear, the first bevel gear is meshed with the second bevel gear, and the middle of the second bevel gear is fixedly connected with the adjusting assembly.

Through adopting above-mentioned technical scheme, under driving motor's drive, first bevel gear carries out synchronous rotation with the second bevel gear to drive adjusting part and realize adjusting the position of fixed snap ring.

The present invention may be further configured in a preferred embodiment as: the adjusting component comprises a sleeve and a threaded rod, the sleeve is vertically arranged with the threaded rod, the bottom of the sleeve is fixedly connected with the second bevel gear, external threads are arranged inside the sleeve, the threaded rod is connected with the sleeve in a threaded manner, and the threaded rod is far away from one end of the sleeve and fixedly connected with the fixing clamping ring.

Through adopting above-mentioned technical scheme, the threaded rod that is located sheathed tube inside can be under sheathed tube rotation, along its length direction up-and-down motion to the local height of adjustment casing realizes the adjustment to equipment height and angle, easy to assemble and use.

The present invention may be further configured in a preferred embodiment as: height adjusting device still includes the supporting component, the supporting component includes locating plate and bottom suspension fagging, the locating plate with threaded rod fixed connection, the bottom suspension fagging pass through the bearing with the sleeve pipe is connected, be provided with between locating plate and the bottom suspension fagging and go into a plurality of groups bracing piece, telescopic link and bottom suspension fagging, the one end of going up the bracing piece with the bottom fixed connection of locating plate, go up the bracing piece and keep away from the one end of locating plate with telescopic link sliding connection, the telescopic link is kept away from the one end of going up the bracing piece with say the one end sliding connection of following bottom suspension fagging, the bottom suspension fagging is kept away from the one end of sliding bar with locating plate fixed connection down.

Through adopting above-mentioned technical scheme, carry out height control and avoid the emergence of equipment to rock under the auxiliary stay of last locating plate and bottom plate and last bracing piece, telescopic link and bottom suspension vaulting pole, improve equipment's stability, keep the normal operation of equipment.

To sum up, the utility model discloses a following at least one useful technological effect:

the technical scheme that the heating pipes which are spirally distributed and made of silicon carbide are arranged in the shell is adopted, so that the heat exchange efficiency of the acid liquid and a heat source can be improved, the temperature of the acid liquid is increased, and the utilization rate of the acid liquid during acid washing is improved;

the technical scheme of the drainage plate which is spirally arranged in the reverse direction is adopted, so that the heat exchange area and the heat exchange time of a heat source and acid liquor can be further improved, and the effect of the heat exchange efficiency is improved;

the technical scheme of the height adjusting device with the fixing seat, the driving assembly and the adjusting assembly is adopted, so that the height and the angle of the equipment can be conveniently adjusted.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic view of the internal structure of the housing in this embodiment.

Fig. 3 is a schematic structural view of the height adjusting device in the present embodiment.

In the figure, 1, a housing; 11. a heat source inlet; 12. a heat source outlet; 13. a honeycomb panel; 2. an acid inlet part; 3. an acid liquor outlet part; 4. heating a tube; 5. a drainage plate; 51. a through hole; 6. fixing the snap ring; 7. a height adjustment device; 71. a fixed seat; 711. a placement groove; 72. a drive assembly; 721. a drive motor; 722. a first bevel gear; 723. a second bevel gear; 73. an adjustment assembly; 731. a sleeve; 732. a threaded rod; 74. a support assembly; 741. an upper positioning plate; 742. a lower positioning plate; 743. an upper support rod; 744. a telescopic rod; 745. a lower support bar; 8. and a bearing.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a carborundum heater, including casing 1, fixed snap ring 6 and height adjusting device 7, acidizing fluid import portion 2 and acidizing fluid export portion 3 have been welded respectively at casing 1's both ends, and casing 1's upper and lower both sides are provided with heat source import 11 and heat source export 12, and heat source import 11 is located casing 1 and is close to the one end of acidizing fluid export portion 3, and heat source export 12 is located casing 1 and is close to the one end of acidizing fluid import portion 2, and it is long when can improving the area of contact and the contact of heat source and acidizing fluid, improves heat exchange. The outside of casing 1 all overlaps along its length direction's both sides and is equipped with the fixed snap ring 6 that is the annular setting, and fixed snap ring 6 plays the fixed stay effect to casing 1. The lower part of each fixed snap ring 6 is welded with a height adjusting device 7. The height and the angle of the shell 1 can be conveniently adjusted through the arranged height adjusting device 7 and the fixed clamping ring 6, and the installation and the use are convenient. Both ends of the inside of casing 1 are provided with honeycomb panel 13, are provided with a plurality of evenly distributed's heating pipe 4 between two honeycomb panels 13, and heating pipe 4 is made by carborundum material, and carborundum has good heat exchange efficiency and corrosion resistance, can effectively carry out hotter to the acidizing fluid.

Referring to fig. 1 and 2, the heating pipe 4 is spirally distributed clockwise along the length direction of the casing 1, thereby increasing the area of the heating pipe 4 and the heat source. The inside of casing 1 still is provided with drainage plate 5 along its length direction, and drainage plate 5 is anticlockwise heliciform along the length direction of casing 1 and distributes. The surface of the flow guide plate 5 is provided with a plurality of through holes 51 (not shown) for the heating pipe 4 to pass through. The heating pipe 4 and the drainage plate 5 which are reversely arranged can fully react the heat source with the acid liquor, so that the heat exchange efficiency is ensured, and the utilization rate of the acid liquor is improved.

Referring to fig. 3, the height adjusting device 7 includes a fixing base 71, a driving assembly 72, an adjusting assembly 73 and a supporting assembly 74, wherein a placement groove 711 is provided inside the fixing base 71, and the driving assembly 72 is located inside the placement groove 711. The driving assembly 72 includes a driving motor 721, a first bevel gear 722 and a second spur gear, the driving motor 721 is installed inside the fixing base 71 through a fastening bolt, an output end thereof is horizontally disposed, an outer portion thereof is integrally disposed with the first bevel gear 722, the first bevel gear 722 is engaged with a second bevel gear 723, and the second bevel gear 723 is vertically disposed. The adjusting assembly 73 comprises a sleeve 731 and a threaded rod 732, the sleeve 731 is located in the middle of the second bevel gear 723 and is integrally connected with the sleeve 731, an internal thread is arranged inside the sleeve 731, the threaded rod 732 is inserted into the sleeve 731, and one end of the threaded rod 732 away from the sleeve 731 is welded with the bottom of the retaining snap ring 6. The first bevel gear 722 and the second bevel gear 723 are driven to rotate by the driving motor 721, so as to drive the sleeve 731 to rotate, and the threaded rod 732 inside the sleeve 731 moves up and down, so as to adjust the height and the angle of the housing 1.

The support assembly 74 includes an upper positioning plate 741, a lower positioning plate 742, an upper support rod 743, a telescoping rod 744, and a lower support rod 745. Go up the locating plate 741 and be located the outside of threaded rod 732, go up locating plate 741 and threaded rod 732 integrated connection, the equal fixedly connected with in bottom at last locating plate 741 both ends has bracing piece 743, the one end sliding connection who goes up bracing piece 743 and keep away from last locating plate 741 has telescopic link 744, telescopic link 744 is located the inside of bracing piece 743, the one end and the lower support rod 745 sliding connection of bracing piece 743 are kept away from to telescopic link 744, lower support rod 745 fixes the both ends of welding at lower locating plate 742, lower locating plate 742 cover is established in the outside of sleeve 731, be connected through bearing 8 between sleeve 731 and the lower locating plate 742, make things convenient for the sleeve 731 to rotate. The supporting component 74 can support and protect the threaded rod 732, and prevent the threaded rod 732 from shaking during adjustment and working processes, which affects the operation of the device.

The specific implementation process of the embodiment is as follows:

when the height of the housing 1 is adjusted, the driving motor 721 is started, the first bevel gear 722 rotates under the driving of the driving motor 721, the second bevel gear 723 engaged with the first bevel gear 722 drives the internal sleeve 731 to rotate, the threaded rod 732 in threaded connection with the sleeve 731 moves up and down along the height direction of the threaded rod 732, the upper positioning plate 741 outside the threaded rod 732 moves up and down synchronously under the driving of the threaded rod 732, and the telescopic rod 744 moves in front of the upper supporting rod 743 and the lower supporting rod 745.

The device has the advantages of simple structure, stable working state, higher heating efficiency, convenient adjustment and the like.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a carborundum heater, includes acidizing fluid inlet part (2), casing (1) and acidizing fluid outlet part (3), be equipped with heat source import (11) and heat source export (12) on casing (1), acidizing fluid inlet part (2) and outlet part are located respectively the both ends of casing (1), its characterized in that: both ends of casing (1) all are provided with honeycomb panel (13), two be provided with a plurality of each evenly distributed's heating pipe (4) between honeycomb panel (13), heating pipe (4) are followed the length direction of casing (1) is the heliciform and distributes, heating pipe (4) are made by silicon carbide material.

2. A silicon carbide heater according to claim 1, wherein: the heating device is characterized in that the heat source inlet (11) and the heat source outlet (12) are respectively positioned at the upper side and the lower side of the shell (1), the heat source inlet (11) is close to the acid liquor outlet (3), the heat source outlet (12) is close to the acid liquor inlet (2), the interior of the shell (1) is provided with the drainage plate (5), and the surface of the drainage plate (5) is provided with a through hole (51) for the heating pipe (4) to pass through.

3. A silicon carbide heater according to claim 2, wherein: the drainage plate (5) is followed the length direction of casing (1) is the heliciform and distributes, drainage plate (5) with heating pipe (4) direction of rotation is opposite.

4. A silicon carbide heater according to claim 1, wherein: the outside of casing (1) is provided with a plurality of fixed snap ring (6) along its length direction, the bottom of casing (1) is provided with a plurality of height adjusting device (7) along its length direction, height adjusting device (7) with fixed snap ring (6) one-to-one, height adjusting device (7) with fixed snap ring (6) fixed connection.

5. A silicon carbide heater according to claim 4, wherein: height adjusting device (7) include fixing base (71), drive assembly (72) and adjusting part (73), the inside at fixing base (71) is installed in drive assembly (72), the output of drive assembly (72) with adjusting part (73) fixed connection, adjusting part (73) are kept away from the one end of drive assembly (72) with fixed snap ring (6) fixed connection.

6. A silicon carbide heater according to claim 5, wherein: the driving assembly (72) comprises a driving motor (721), a first bevel gear (722) and a second bevel gear (723), a placing groove (711) is formed in the fixed seat (71), the driving motor (721) is located in the placing groove (711), the output end of the driving motor (721) is fixedly connected with the first bevel gear (722), the first bevel gear (722) is meshed with the second bevel gear (723), and the middle of the second bevel gear (723) is fixedly connected with the adjusting assembly (73).

7. A silicon carbide heater according to claim 6, wherein: the adjusting assembly (73) comprises a sleeve (731) and a threaded rod (732), the sleeve (731) and the threaded rod (732) are both vertically arranged, the bottom of the sleeve (731) is fixedly connected with the second bevel gear (723), an external thread is arranged inside the sleeve (731), the threaded rod (732) is in threaded connection with the sleeve (731), and one end, far away from the sleeve (731), of the threaded rod (732) is fixedly connected with the fixing snap ring (6).

8. A silicon carbide heater according to claim 7, wherein: the height adjusting device (7) further comprises a supporting component (74), the supporting component (74) comprises an upper positioning plate (741) and a lower positioning plate (742), the upper positioning plate (741) is fixedly connected with the threaded rod (732), the lower positioning plate (742) is connected with the sleeve (731) through a bearing (8), a plurality of groups of upper supporting rods (743), a telescopic rod (744) and a lower supporting rod (745) are arranged between the upper positioning plate (741) and the lower positioning plate (742), one end of each upper supporting rod (743) is fixedly connected with the bottom of the upper positioning plate (741), one end of each upper supporting rod (743) far away from the upper positioning plate (741) is slidably connected with the telescopic rod (744), one end of each telescopic rod (744) far away from the upper supporting rod (743) is slidably connected with one end of the lower supporting rod (745), one end of each lower supporting rod (745) far away from the upper supporting rod (743) is slidably connected with the lower positioning plate (742) And (4) fixedly connecting.