CN214065726U

CN214065726U - Electric heating wire furnace for chemical wet analysis

Info

Publication number: CN214065726U
Application number: CN202023285650.5U
Authority: CN
Inventors: 唐明琦; 冯惠伟; 沈旭; 陈晨; 吴明华; 丁淑芳; 莫琪芬; 张跃良; 何伟海
Original assignee: Yongxing Special Material Technology Co ltd
Current assignee: Yongxing Special Material Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-27
Anticipated expiration: 2030-12-30

Abstract

The utility model provides a chemistry is electric heater stove for wet process analysis, include the bottom plate, set up in grudging post on the bottom plate, set up in inside on the grudging post is offered and is used for placing the heating block of the mounting groove of heating wire and through rotatable the installing in of first installed part the U type mounting bracket that is used for placing the analysis sample at heating block both ends. The device not only avoids the problems of unstable heating and difficult control caused by the direct contact heating of the heating wire and the sample or the sample container, but also can synchronously heat a plurality of samples, and has the advantages of good heating effect, high heating efficiency, simple structure and easy realization.

Description

Electric heating wire furnace for chemical wet analysis

Technical Field

The utility model belongs to the technical field of chemical analysis equipment, concretely relates to electric heating wire stove for chemical wet process analysis.

Background

In stainless steel smelting enterprises, the raw materials for steel making mainly comprise stainless steel waste, high-carbon ferrochrome, ferronickel and the like. After the raw materials are purchased, the contents of metal elements such as nickel, chromium, molybdenum, copper and the like are detected. The detection of the content of the metal elements mainly adopts chemical wet analysis which mainly comprises three steps of sample weighing, dissolving and analyzing. In the process of dissolving the sample, the sample is often heated by a heating wire furnace for accelerating the dissolution. Among the prior art, the structure of heating wire stove is the fire-resistant bottom plate of bottom, middle bracket, and the resistant firebrick of top installs the heating wire in the resistant firebrick draw-in groove, and the heating wire has three kinds, has 1000 watts, 1500 watts, 2000 watts, can satisfy the requirement that different raw materials dissolved. However, the heating wire furnace has problems of poor heating efficiency, low convenience, poor safety and the like.

Document CN201420451488.5 discloses a ceramic fiber split tube furnace, comprising: the furnace pipe is a split ceramic fiber furnace pipe formed by two semicircular furnace pipes, the cross sections of the split openings of the two semicircular furnace pipes are respectively provided with a protrusion, and the protrusion is positioned at the half part of the cross section close to the inner wall side; alumina fiber blanket layers respectively bonded to the surfaces of the two protrusions; the refractory mortar layer is positioned between the alumina fiber blanket layer and the protrusions and is used for bonding the alumina fiber blanket layer; the furnace pipe heating wire is internally a hollow annular heating wire, the semicircular radiation directions of the furnace pipe heating wires point to the circle center, the inner wall of the furnace pipe is provided with a plurality of furnace pipe heating wires, the plurality of furnace pipe heating wires are distributed on each semicircular furnace pipe in a manner that the two ends are close and the middle is sparse, and each furnace pipe heating wire is provided with a rectangular heat dissipation groove. The device effectively ensures that the two semicircular furnace pipes are completely sealed, and solves the problem of fire escaping of the furnace pipes; the heating wire is hollow and the radiation direction of the heating wire points to the center of a circle, so that the uniformity of the temperature field of the furnace is improved. But the device has when being used for heating the sample and can't place a plurality of samples, heating temperature is unstable, and when placing because the heating wire directly contacts with external environment, scald accident scheduling problem easily takes place.

SUMMERY OF THE UTILITY MODEL

To the problem that exists, the utility model aims at providing a chemistry is electric heater stove for wet process analysis, this device has not only avoided the heating unstability that heating wire and sample or sample container direct contact heating produced, the problem of difficult control, but a plurality of samples of synchronous heating and heating effect are good, heating efficiency is high simultaneously, simple structure, easily realization.

In order to achieve the above purpose, the technical solution of the present invention is as follows:

the utility model provides a chemistry is electric heater stove for wet process analysis, include the bottom plate, set up in grudging post on the bottom plate, set up in inside on the grudging post is offered and is used for placing the heating block of the mounting groove of heating wire and through rotatable the installing in of first installed part the U type mounting bracket that is used for placing the analysis sample at heating block both ends.

The further preferred technical scheme is as follows: first installed part including pass one of U type mounting bracket serves first mounting hole and the tip seted up install in first installation screw channel in one side end of heating piece first installation double-screw bolt, spiro union in on the first installation double-screw bolt and embedded in one side end surface of heating piece set up with first limit nut, spiro union in the first countersunk head of first installation screw channel intercommunication on the first installation double-screw bolt and with U type mounting bracket is kept away from the second limit nut of the side surface butt of heating piece.

The further preferred technical scheme is as follows: the U-shaped mounting brackets are at least two, and the adjacent U-shaped mounting brackets are connected through a connecting plate.

The further preferred technical scheme is as follows: the mounting block is positioned at the upper end of the cutting piece and is provided with a baffle.

The further preferred technical scheme is as follows: and two ends of the connecting plate are respectively arranged in second mounting grooves formed in the side ends of each U-shaped mounting frame, and one end of the connecting plate is arranged in the second mounting groove formed in each U-shaped mounting frame through a second mounting piece.

The further preferred technical scheme is as follows: the second mounting part comprises a second counter sink, a third mounting hole communicated with the second counter sink and a second mounting stud, wherein the second mounting stud penetrates through the connecting plate in sequence, the end part of the third mounting hole is mounted in the second mounting hole formed in the side end of the U-shaped mounting frame, the second mounting stud is in threaded connection with the third limiting nut in the second counter sink and the fourth limiting nut is embedded in the second mounting stud, and the fourth limiting nut is far away from the connecting plate and abuts against the side surface of the U-shaped mounting frame.

The further preferred technical scheme is as follows: the upper surfaces of two adjacent U-shaped mounting frames are respectively and correspondingly provided with a placing groove.

The further preferred technical scheme is as follows: the two placing grooves are respectively connected with the two ends of the object placing plate.

The further preferred technical scheme is as follows: handrails are respectively arranged at the two side ends of the vertical frame.

The further preferred technical scheme is as follows: the bottom plate is provided with a groove.

The further preferred technical scheme is as follows: and a dustproof cover matched with the U-shaped mounting frame is arranged in the groove.

To sum up, the utility model discloses following beneficial effect has:

according to the technical scheme, the U-shaped mounting frames can be rotatably mounted at the two ends of the heating block, so that when the electric heating wire does not work, the U-shaped mounting frames are adjusted to be arranged at the two ends of the heating block, and the space is saved; when the sample needs to be subjected to chemical analysis, the two U-shaped mounting frames are respectively adjusted to the upper end of the heating block to form a plane parallel to the horizontal line, and a container for dissolving the sample is placed on the plane. The container placed on the plane is not directly heated by contact with the heating wire but heated by heat radiation, so that the sample is heated more stably and is not easy to damage, and meanwhile, the risk of mistakenly touching the heating wire is avoided when the worker operates.

In the technical scheme that this application provided, the design of putting the thing board has not only further consolidated the connection of two U type mounting brackets 5, has widened the region that can place the sample moreover, has satisfied the demand of heating a plurality of samples simultaneously.

In the technical scheme provided by the application, the design of the handrail is not only convenient for moving the whole body, but also used for heat insulation.

In the technical scheme that this application provided, the shield not only can protect the sample to be difficult for getting into impurity in the heating process, also can make the heat concentrate on between shield and the U type mounting bracket, has improved heating efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is the mounting structure schematic diagram of the U-shaped mounting frame of the present invention.

Fig. 4 is a schematic structural diagram of the first mounting member of the present invention.

Fig. 5 is a schematic structural diagram of a second mounting member according to the present invention.

In the figure: the heating device comprises a bottom plate 1, a groove 11, a vertical frame 2, a handrail 21, a heating block 3, a mounting groove 31, a first mounting screw groove 32, a first counter bore 33, a heating wire 4, a U-shaped mounting frame 5, a first mounting hole 501, a second mounting hole 502, a second mounting groove 51, a connecting plate 52, a third mounting hole 521, a second counter bore 522, a placing groove 53, a storage plate 54, a first mounting piece 55, a first mounting stud 551, a first limit nut 552, a second limit nut 553, a second mounting piece 56, a second mounting stud 561, a third limit nut 562, a fourth limit nut 563 and a dust cover 6.

Detailed Description

Examples

The embodiment provides an electric heating wire furnace for chemical wet analysis, as shown in fig. 1, comprising a bottom plate 1, a vertical frame 2 arranged on the bottom plate 1, a heating block 3 arranged on the vertical frame 2 and provided with a mounting groove 31 for placing an electric heating wire 4 inside, and two U-shaped mounting frames 5 rotatably arranged at two ends of the heating block 3 and used for placing an analysis sample through a first mounting member 55.

In the embodiment, as the U-shaped mounting frames 5 are rotatably arranged at the two ends of the heating block 3, when the electric heating wire does not work, the U-shaped mounting frames 5 are adjusted to be arranged at the two ends of the heating block 3, so that the space is saved; when the sample needs to be subjected to chemical analysis, the two U-shaped mounting frames 5 are respectively adjusted to the upper ends of the heating blocks 3, so that the two U-shaped mounting frames 5 jointly form a plane parallel to a horizontal line, and a container for dissolving the sample is placed on the plane. The container placed on the plane is not directly heated by contact with the heating wire but heated by heat radiation, so that the sample is heated more stably and is not easy to damage, and meanwhile, the risk of mistakenly touching the heating wire is avoided when the worker operates.

In the present embodiment, as shown in fig. 4, the first mounting member 55 includes a first mounting stud 551 passing through a first mounting hole 501 formed at one end of the U-shaped mounting bracket 5 and having an end portion mounted in a first mounting screw groove 32 formed at one side end of the heating block 3, a first limiting nut 552 screwed on the first mounting stud 551 and embedded in a first countersunk hole 33 formed at one side end surface of the heating block 3 and communicating with the first mounting screw groove 32, and a second limiting nut 553 screwed on the first mounting stud 551 and abutting against a side surface of the U-shaped mounting bracket 5 away from the heating block 3.

In this embodiment, the design of first installed part 55 not only makes the both ends of U type mounting bracket 5 connect in heating piece both sides face, can freely control its rotation angle moreover, and two limit nut's design make the installation more firm and difficult the emergence when rotatory rock, avoid influencing the heating sample of placing on the plane.

In the present embodiment, as shown in fig. 2 and 3, two adjacent U-shaped mounting brackets 5 are connected by a connecting plate 52. Two ends of the connecting plate 52 are respectively installed in the second installation grooves 51 formed in the side ends of each U-shaped installation frame 5, and one end of the connecting plate 52 is installed in the second installation groove 51 formed in a single U-shaped installation frame 5 through a second installation part 56.

In this embodiment, in order to avoid that the two U-shaped mounts 5, which together form the placing plane, can support the sample more stably in this state, the connecting plate is designed to reinforce the connection relationship between the two U-shaped mounts 5, and the structure is also rotatable, which does not affect the rotation of the U-shaped mounts 5 on the surface of the heating block 3.

In this embodiment, as shown in fig. 5, the second mounting part 56 includes a second mounting stud 561, a third limiting nut 562, and a fourth limiting nut 563, wherein the second mounting stud 561 penetrates through a second counter sink 522 formed on the connecting plate 52, a third mounting hole 521 communicated with the second counter sink 522, and an end of the second mounting stud is mounted in a second mounting hole 502 formed at a side end of the U-shaped mounting frame 5, the third limiting nut 562 is screwed on the second mounting stud 561 and is embedded in the second counter sink 522, and the fourth limiting nut 563 is abutted to a side surface of the connecting plate 52 away from the U-shaped mounting frame 5. The second mounting member 56 is similar in design to the first mounting member 51, and also allows the connection plate 52 to be more securely mounted and less prone to wobbling when rotated.

In this embodiment, as shown in fig. 1 and 2, the upper surfaces of two adjacent U-shaped mounting frames 5 are respectively and correspondingly provided with a placing groove 53. The two placement grooves 53 are connected to both ends of the storage plate 54. The design of putting thing board 54 in this embodiment has not only further strengthened the connection of two U type mounting brackets 5, has widened the region that can place the sample moreover, has satisfied the demand of heating a plurality of samples simultaneously.

In the present embodiment, as shown in fig. 1 and 2, handrails 21 are respectively disposed at both side end portions of the stand 2. The design of the handrail 21 not only facilitates the handling of the whole but also serves for thermal insulation.

In this embodiment, as shown in fig. 1 and 2, a groove 11 is formed in the bottom plate 1, and a dust cover 6 adapted to the U-shaped mounting frame 5 is disposed in the groove 11. In this embodiment, the dust cover 6 can protect the sample from entering impurities easily in the heating process, and heat can be concentrated between the dust cover 6 and the U-shaped mounting frame 5, so that the heating efficiency is improved.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a chemistry is electrothermal wire stove for wet process analysis, its characterized in that, including bottom plate (1), set up in grudging post (2) on bottom plate (1), set up in heating block (3) that are used for placing mounting groove (31) of heating wire (4) are offered to inside on grudging post (2) and through first installed part (55) rotatable install in heating block (3) both ends be used for placing analysis sample's U type mounting bracket (5).

2. The electric hot wire furnace for chemical wet analysis according to claim 1, wherein the first mounting member (55) comprises a first mounting stud (551) passing through a first mounting hole (501) formed at one end of the U-shaped mounting bracket (5) and having an end portion mounted in a first mounting screw groove (32) formed at one side end of the heating block (3), a first limit nut (552) screwed on the first mounting stud (551) and embedded in a first countersunk hole (33) formed at one side end surface of the heating block (3) and communicating with the first mounting screw groove (32), and a second limit nut (553) screwed on the first mounting stud (551) and abutting against a side surface of the U-shaped mounting bracket (5) away from the heating block (3).

3. The electric hot wire furnace for chemical wet analysis according to claim 1, wherein the number of the U-shaped mounting frames (5) is at least two, and two adjacent U-shaped mounting frames (5) are connected through a connecting plate (52).

4. The electric heating wire furnace for chemical wet analysis according to claim 3, wherein two ends of the connecting plate (52) are respectively installed in second installation grooves (51) formed in the side ends of each U-shaped installation frame (5), and one end of the connecting plate (52) is installed in the second installation groove (51) formed in a single U-shaped installation frame (5) through a second installation member (56).

5. The electric heating wire furnace for chemical wet analysis according to claim 4, wherein the second mounting member (56) comprises a second mounting stud (561) passing through a second counter bore (522) formed in the connecting plate (52), a third mounting hole (521) communicated with the second counter bore (522) in sequence, and an end portion of the second mounting stud (561) mounted in a second mounting hole (502) formed in the side end of the U-shaped mounting frame (5), a third limit nut (562) screwed on the second mounting stud (561) and embedded in the second counter bore (522), and a fourth limit nut (563) abutted against the side surface of the connecting plate (52) far away from the U-shaped mounting frame (5).

6. The electric heating wire furnace for chemical wet analysis according to claim 4, wherein the upper surfaces of two adjacent U-shaped mounting frames (5) are respectively and correspondingly provided with a placing groove (53).

7. The electric heating wire furnace for wet chemical analysis according to claim 6, wherein two of the placing grooves (53) are connected to both ends of the placing plate (54), respectively.

8. The electric heating wire furnace for chemical wet analysis according to claim 1, wherein handrails (21) are respectively provided at both side end portions of the stand (2).

9. The electric heating wire furnace for chemical wet analysis according to claim 1, wherein the bottom plate (1) is provided with a groove (11).

10. The electric hot wire furnace for chemical wet analysis according to claim 9, wherein a dust cover (6) adapted to the U-shaped mounting frame (5) is arranged in the groove (11).