CN213880302U - Graphite plate type heater - Google Patents
Graphite plate type heater Download PDFInfo
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- CN213880302U CN213880302U CN202023206191.7U CN202023206191U CN213880302U CN 213880302 U CN213880302 U CN 213880302U CN 202023206191 U CN202023206191 U CN 202023206191U CN 213880302 U CN213880302 U CN 213880302U
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Abstract
The utility model discloses a graphite plate type heater relates to graphite heater technical field, including the box, fixed surface installs fixed circular telegram device about the box, and the side is provided with the protective gas device about the box, and fixed surface installs sealed lid before the box, and the box has graphite cake including case lateral wall about inside on the surface movable mounting, case lateral wall lower extreme fixed mounting have graphite cake down. The utility model discloses a change the graphite pipe into the graphite cake, solve the not enough problem of graphite pipe heater inner space, the graphite cake is better processed for the graphite pipe simultaneously, and the processing cost is low, the course of working is simple, keel frame and lower keel frame are gone up in the increase, through last keel frame and keel frame increase the intensity of graphite cake and lower graphite cake, prevent to go up the graphite cake and the graphite cake breaks because of inside pressure is too big down, cause heating termination and gas leakage.
Description
Technical Field
The utility model relates to a graphite heater relates to graphite heater technical field, concretely relates to graphite board type heater.
Background
The graphite heater is characterized by that the sample is quantitatively injected into the heater by means of sample injector, and the graphite is used as resistance heating body, and after the graphite is electrified, the temperature is quickly raised so as to make the sample reach the goal of atomization, and it is formed from heating power supply, protective gas control system and graphite furnace, and an external power supply is added to two ends of graphite to supply energy to atomizer, and the current can be passed through the graphite to produce temperature up to 3000 deg.C, so that the element to be detected placed in the graphite can be changed into ground-state atomic vapour. The following problems exist in the prior art:
1. the existing graphite heaters are mostly tubular heaters, and since the graphite is a brittle material, the processing difficulty of the graphite tube is high, the graphite tube with a larger diameter is not easy to manufacture, the processing cost is high, the technology is complex, and the realization is difficult;
2. graphite is a brittle material, and a graphite heater has no protection measure on a graphite plate, so that when the graphite heater is used in a heating furnace, the graphite plate is easily broken and broken due to internal air pressure, the heating process is influenced, and gas leakage is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a graphite plate type heater, wherein one purpose is to have the effect of easy processing and solve the problems of high cost and difficult processing; the other purpose is to solve the problem that the graphite plate is easy to break and break so as to achieve the effects of protecting the graphite plate and increasing the strength of the graphite plate.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
a graphite plate type heater comprises a box body, wherein fixed electrifying devices are fixedly arranged on the upper surface and the lower surface of the box body, protective gas devices are arranged on the left side surface and the right side surface of the box body, and a sealing cover is fixedly arranged on the front surface of the box body;
the box is including the case lateral wall, the inside upper end movable mounting in surface of controlling of case lateral wall has last graphite cake, graphite cake under the case lateral wall lower extreme fixed mounting.
The utility model discloses technical scheme's further improvement lies in: the upper graphite plate is characterized in that upper movable sealing strips are fixedly mounted on the left side and the right side of the upper surface of the upper graphite plate, lower movable sealing strips are fixedly mounted on the left side and the right side of the lower surface of the upper graphite plate, an upper front sealing plate is fixedly mounted on the front surface of the upper graphite plate, and adjusting devices are fixedly mounted on the left side and the right side of the front end of the upper graphite plate.
The utility model discloses technical scheme's further improvement lies in: the adjusting device comprises a fixing frame, the fixing frame is movably clamped at the front end of the side wall of the box, a moving wheel is movably connected to the right side of the fixing frame, a transmission chain is movably connected to the surface of the moving wheel, and a driving wheel is movably connected to the upper end of the transmission chain.
The utility model discloses technical scheme's further improvement lies in: the left and right sides of the upper surface of the lower graphite plate are fixedly provided with upper fixed sealing strips, the left and right sides of the lower surface of the lower graphite plate are fixedly provided with lower fixed sealing strips, and the front end of the lower graphite plate is fixedly provided with a lower preposed sealing plate.
The utility model discloses technical scheme's further improvement lies in: fixed circular telegram device is including last keel frame and lower keel frame, go up keel frame fixed mounting in last graphite cake upper surface, keel frame fixed mounting puts fixed mounting in graphite cake lower surface down, go up keel frame upper surface central point and puts fixed connection formula terminal, keel frame lower surface central point puts fixed mounting down and has fixed terminal.
The utility model discloses technical scheme's further improvement lies in: the protective gas device is including opening and gaseous opening down on the gaseous opening, the opening is seted up in the box left and right sides upper end on the gaseous, the opening is seted up at the box left and right sides lower extreme under the gaseous, the external fixed surface of opening installs sealing sleeve under the gaseous, sealing sleeve inside activity has cup jointed the sealing bolt.
The utility model discloses technical scheme's further improvement lies in: the sealing cover comprises a U-shaped sealing cover, a movable sealing cover is movably sleeved inside the U-shaped sealing cover, a handle is fixedly mounted at the front end of the movable sealing cover, and a fixing bolt is movably connected at the front end of the U-shaped sealing cover.
Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:
1. the utility model provides a graphite plate type heater, this utility model changes the graphite tube into the graphite cake, the graphite cake is better processing for the graphite tube, and the processing cost is low, the course of working is simple, and go up the inside size that whole heater was adjusted to graphite cake accessible adjusting device, rotate by the drive wheel during regulation and drive transmission chain and rotate, drive transmission chain drives and removes the wheel and rotate and reciprocate, thereby drive whole graphite cake of going up through the mount and reciprocate, adjust the inner space size, solve the not enough problem of graphite tube heater inner space.
2. The utility model provides a graphite plate type heater, this utility model increases last keel frame and keel frame down, it is fixed in the graphite plate upper surface to go up the keel frame, can play the auxiliary stay effect to whole last graphite plate, increase the intensity of graphite plate, lower keel frame plays the same effect to graphite plate down, increase the intensity of graphite plate and graphite plate down through last keel frame and keel frame down, prevent to go up graphite plate and graphite plate down because of inside pressure is too big the fracture appears, cause heating termination and gas leakage.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic bottom structure of the present invention;
FIG. 4 is a schematic structural view of the adjusting device of the present invention;
FIG. 5 is a schematic structural view of the sealing plug and the sealing sleeve of the present invention;
fig. 6 is a schematic structural view of the sealing cover of the present invention.
In the figure: 1. a box body; 11. a tank sidewall; 12. feeding a graphite plate; 13. a lower graphite plate; 121. moving the sealing strip upwards; 122. moving the sealing strip downwards; 123. an upper front sealing plate; 124. an adjustment device; 131. fixing a sealing strip; 132. a lower fixed sealing strip; 133. a lower front sealing plate;
1241. a fixed mount; 1242. a moving wheel; 1243. a drive chain; 1244. a drive wheel;
2. fixing the electrifying device; 21. a dragon-mounting framework; 22. a screw-on terminal; 23. a keel frame is arranged; 24. a fixed wiring terminal;
3. a shielding gas device; 31. an upper gas port; 32. a gas lower port; 33. a sealing sleeve; 34. sealing the bolt;
4. a sealing cover; 41. a U-shaped sealing cover; 42. a movable sealing cover; 43. a handle; 44. and (6) fixing the bolt.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-6, the utility model provides a graphite plate type heater, including box 1, fixed surface installs fixed circular telegram device 2 about box 1, and the side is provided with protective gas device 3 about box 1, and fixed surface installs sealed lid 4 before box 1.
In the present embodiment, the fixed energizing device 2 is used for fixing and supporting and energizing the graphite sheet, the shielding gas device 3 is responsible for cooling and protecting the heated graphite sheet, and the sealing cover 4 is used for sealing the front end during heating.
As shown in fig. 1 to 6, in the present embodiment, preferably, the shielding gas device 3 includes an upper gas port 31 and a lower gas port 32, the upper gas port 31 is opened at the upper ends of the left and right sides of the box 1, the lower gas port 32 is opened at the lower ends of the left and right sides of the box 1, a sealing sleeve 33 is fixedly installed on the outer surface of the lower gas port 32, a sealing bolt 34 is movably sleeved inside the sealing sleeve 33, the sealing cover 4 includes a U-shaped sealing cover 41, a movable sealing cover 42 is movably sleeved inside the U-shaped sealing cover 41, a handle 43 is fixedly installed at the front end of the movable sealing cover 42, a fixing bolt 44 is movably connected to the front end of the U-shaped sealing cover 41, shielding gas enters from the upper gas port 31 and the lower gas port 32 to cool the upper and lower surfaces of the graphite plate while preventing the graphite plate from undergoing an oxidation reaction at a high temperature, the movable sealing cover 42 can adjust the size of the entire sealing cover 4 according to the position of the upper graphite plate 12, the U-shaped sealing cover 41 and the movable sealing cover 42 are fixed through a fixing bolt 44.
Example 2
As shown in fig. 1-6, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the box body 1 comprises a box side wall 11, the upper ends of the left and right surfaces inside the box side wall 11 are movably mounted with an upper graphite plate 12, the lower end of the box side wall 11 is fixedly mounted with a lower graphite plate 13, the left and right sides of the upper surface of the upper graphite plate 12 are fixedly mounted with upper movable sealing strips 121, the left and right sides of the lower surface of the upper graphite plate 12 are fixedly mounted with lower movable sealing strips 122, the front surface of the upper graphite plate 12 is fixedly mounted with an upper front sealing plate 123, the left and right sides of the front end of the upper graphite plate 12 are fixedly mounted with adjusting devices 124, each adjusting device 124 comprises a fixing frame 1241, the fixing frame 1241 is movably clamped at the front end of the box side wall 11, the right side of the fixing frame 1241 is movably connected with a movable wheel 1242, the surface of the movable wheel 1242 is movably connected with a transmission chain 1243, the upper end of the transmission chain 1243 is movably connected with a driving wheel 1244, the left and right sides of the upper surface of the lower graphite plate 13 are fixedly mounted with upper fixed sealing strips 131, the left and right sides of the lower surface of the lower graphite plate 13 are fixedly mounted with lower fixed sealing strips 132, lower graphite cake 13 front end fixed mounting has leading closing plate 133 down, go up the inside size that graphite cake 12 accessible adjusting device 124 adjusted whole heater, it rotates drive chain 1243 by drive wheel 1244 during the regulation and rotates, drive chain 1243 drives and moves wheel 1242 and rotates and reciprocate, thereby drive whole graphite cake 12 of going up through mount 1241 and reciprocate, adjust the inner space size, go up movable sealing strip 121, move sealing strip 122 down, go up fixed sealing strip 131, lower fixed sealing strip 132, go up leading closing plate 123 and leading closing plate 133 all play the sealing effect to whole box 1 down, drive wheel 1244 is used for the fixed position of drive chain 1243.
Example 3
As shown in fig. 1-6, on the basis of embodiment 1, the utility model provides a technical solution: preferably, fixed electrifying device 2 is including last keel frame 21 and lower keel frame 23, go up keel frame 21 fixed mounting in last graphite cake 12 upper surface, lower keel frame 23 fixed mounting in graphite cake 13 lower surface down, go up keel frame 21 upper surface central point fixed mounting and have connect formula terminal 22 soon, keel frame 23 lower surface central point fixed mounting has fixed terminal 24 down, it is fixed in graphite cake 12 upper surface to go up keel frame 21, can play the auxiliary stay effect to whole last graphite cake 12, increase the intensity of going up graphite cake 12, keel frame 23 plays the same effect to lower graphite cake 13 down, increase the intensity of going up graphite cake 12 and graphite cake 13 through last keel frame 21 and lower keel frame 23, make the graphite cake switch-on both electrodes through connect formula terminal 22 soon and fixed terminal 24 simultaneously, carry out the ohmic heating.
The operation principle of the graphite plate type heater will be described in detail below.
As shown in fig. 1-6, the driving wheel 1244 rotates to drive the driving chain 1243 to rotate, the driving chain 1243 drives the moving wheel 1242 to rotate and move up and down, thereby driving the whole upper graphite plate 12 to move up and down through the fixing frame 1241, adjusting the size of the internal space, then injecting the sample into the heater quantitatively by the sample injector, adjusting the size of the whole sealing cover 4 according to the position of the upper graphite plate 12, fixing the U-shaped sealing cover 41 and the movable sealing cover 42 through the fixing bolt 44, then connecting the graphite plate to two electrodes through the screwing type binding post 22 and the fixed binding post 24, and performing power-on heating.
The present invention has been described in detail with reference to the above general description, but it will be apparent to one of ordinary skill in the art that modifications and improvements can be made to the invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.
Claims (7)
1. A graphite plate type heater comprises a box body (1), and is characterized in that: the upper surface and the lower surface of the box body (1) are fixedly provided with fixed electrifying devices (2), the left side surface and the right side surface of the box body (1) are provided with protective gas devices (3), and the front surface of the box body (1) is fixedly provided with a sealing cover (4);
the box body (1) comprises a box side wall (11), an upper end of the left surface and a lower end of the right surface inside the box side wall (11) are movably provided with an upper graphite plate (12), and a lower graphite plate (13) is fixedly arranged at the lower end of the box side wall (11).
2. A graphite plate type heater as claimed in claim 1, wherein: go up graphite cake (12) upper surface left and right sides fixed mounting and have last moving seal strip (121), go up graphite cake (12) lower surface left and right sides fixed mounting and have lower moving seal strip (122), go up graphite cake (12) preceding fixed surface mounting and have leading closing plate (123), go up graphite cake (12) front end left and right sides fixed mounting and have adjusting device (124).
3. A graphite plate type heater as claimed in claim 2, wherein: the adjusting device (124) comprises a fixed frame (1241), the fixed frame (1241) is movably clamped at the front end of the side wall (11) of the box, a movable wheel (1242) is movably connected to the right side of the fixed frame (1241), a transmission chain (1243) is movably connected to the surface of the movable wheel (1242), and a driving wheel (1244) is movably connected to the upper end of the transmission chain (1243).
4. A graphite plate type heater as claimed in claim 1, wherein: graphite plate (13) upper surface left and right sides fixed mounting has last fixed seal strip (131) down, graphite plate (13) lower surface left and right sides fixed mounting has down fixed seal strip (132) down, graphite plate (13) front end fixed mounting has leading closing plate (133) down.
5. A graphite plate type heater as claimed in claim 1, wherein: fixed electrifying device (2) is including last keel frame (21) and keel frame (23) down, go up keel frame (21) fixed mounting in last graphite cake (12) upper surface, keel frame (23) fixed mounting is in graphite cake (13) lower surface down, it puts fixed mounting and connects formula terminal (22) soon to go up keel frame (21) upper surface center, keel frame (23) lower surface center puts fixed mounting and has fixed terminal (24) down.
6. A graphite plate type heater as claimed in claim 1, wherein: opening (32) under opening (31) and the gas on protective gas device (3) including the gas, opening (31) are seted up in box (1) left and right sides upper end on the gas, opening (32) are seted up in box (1) left and right sides lower extreme under the gas, opening (32) fixed surface installs sealing sleeve (33) under the gas, sealing bolt (34) have been cup jointed in the inside activity of sealing sleeve (33).
7. A graphite plate type heater as claimed in claim 1, wherein: the sealing cover (4) comprises a U-shaped sealing cover (41), a movable sealing cover (42) is movably sleeved inside the U-shaped sealing cover (41), a handle (43) is fixedly mounted at the front end of the movable sealing cover (42), and a fixing bolt (44) is movably connected to the front end of the U-shaped sealing cover (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023206191.7U CN213880302U (en) | 2020-12-28 | 2020-12-28 | Graphite plate type heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023206191.7U CN213880302U (en) | 2020-12-28 | 2020-12-28 | Graphite plate type heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213880302U true CN213880302U (en) | 2021-08-03 |
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ID=77043889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023206191.7U Active CN213880302U (en) | 2020-12-28 | 2020-12-28 | Graphite plate type heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213880302U (en) |
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2020
- 2020-12-28 CN CN202023206191.7U patent/CN213880302U/en active Active
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