Novel bottom heater

Abstract

The utility model relates to the technical field of bottom heaters, and discloses a novel bottom heater which comprises a bottom heating plate, a supporting base, an air inlet pipe, a sealing groove, a bearing plate and a supporting block I. The supporting base is fixedly arranged at the lower end of the bottom heating plate, and the air inlet pipe is fixedly arranged at the right end of the bottom heating plate. A sealing groove is fixedly formed in the upper end of the bottom heating plate, a bearing plate is fixedly arranged at the upper end of the bottom heating plate, a first supporting block is fixedly arranged at the upper end of the bearing plate, and a reserved groove is fixedly formed in the upper end of the bearing plate. According to the novel bottom heater, the adhesion rate of oxides on the surface of the heater increased due to the operation time of a furnace platform is slowed down, so that the furnace pressure value in a furnace after the R5 section of a crystal bar is reduced, the oxygen content in the crystal bar is better controlled, and the oxides on the surfaces of the bottom heater and the gas guide cylinder are conveniently cleaned by disassembling the furnace, so that the bottom heater and the gas guide cylinder are simply, conveniently and quickly disassembled; meanwhile, normal operation of equipment can be ensured, and the service life of a thermal field piece is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to bottom heater technical field, concretely is a novel bottom heater. BACKGROUND

[0002] The heater refers to the electric appliance that utilizes electric energy to reach the heating effect, it is small in size, high in heating power, very widely used, adopts the intelligent control mode, the temperature control precision is high, can with computer networking, wide application range, long life, high reliability.

[0003] The prior art discloses a bottom heater in the patent literature with publication number CN211296964U, including heating part, its characterized in that: the heating part includes two left and right symmetrical connection parts and two front and back symmetrical reciprocating graphite strips, the left and right ends of the graphite strip are integrally connected with the corresponding side connection part, the top surface and the bottom surface of the graphite strip are flush with the top surface and the bottom surface of the connection part, the bottom heater further includes an electrode corresponding to the connection part, the upper end of the electrode is connected with the bottom of the connection part, the connection part is an isosceles triangle with a round corner, the isosceles triangle is connected with the graphite strip at the bottom edge, the electrode is connected with the top corner of the connection part, the electrode is cylindrical, its axis passes through the center of the round corner at the top corner of the connection part, and the outer diameter of the electrode is equal to the outer diameter of the round corner at the top corner, the graphite strip includes a plurality of straight line segments arranged side by side in the left and right directions and equal in length, and a circular arc segment for connecting adjacent straight line segments, the heating part in the utility model is an integral planar shape, saving the time and cost of processing the original connection circular table part, improving the processing efficiency, and the thickness of the raw material can be selected to be thinner, reducing the material cost, improving the material utilization, the electrode is directly connected with the connection part, the electrode is directly powered to the two ends of the heating part during use, the resistance is directly transmitted to the heating area through conduction, reducing the waste caused in the buffering process, improving the heating effect, shortening the heating time, the connection part is triangular, facilitating processing on the basis of circular raw materials, smaller materials can be used, further saving raw materials, and the heating distance is short.

[0004] However, the existing technology CN211296964U patent has a shielding part above the air guide cylinder of the bottom heater, which affects the argon discharge rate, and as the furnace running time increases, the oxides in the furnace are easily attached to the shielding part, which is difficult to clean when the furnace is disassembled, and affects the service life of the heater. UTILITY MODEL CONTENTS

[0005] (I) Technical problems solved

[0006] The utility model discloses a novel bottom heater to solve the problem of the existence of shielding above the air guide cylinder of the bottom heater and the influence on the argon discharge rate in the above background technology.

[0007] (II) Technical solutions

[0008] To achieve the above object, the utility model provides the following technical scheme: a novel bottom heater, the novel bottom heater includes bottom heating plate, support base, air inlet pipe, sealing groove, bearing plate, support block no. 1, reserved groove, air inlet hole, support block no. 2, fixed bolt, air outlet hole, air outlet pipe, air outlet nozzle, check valve, connecting rod, air inlet motor, air inlet transmission shaft, air inlet fan blade, polyamide fiber layer, cellulose nanofiber layer and polypropylene fiber layer, the lower end fixed setting of bottom heating plate has support base, the right -hand member fixed setting of bottom heating plate has air inlet pipe, the upper end fixed setting of bottom heating plate has sealing groove, the upper end fixed setting of bottom heating plate has bearing plate, the upper end fixed setting of bearing plate has support block no. 1, the upper end fixed setting of bearing plate has reserved groove, the upper end fixed setting of bearing plate has air inlet hole, the upper end fixed setting of bearing plate has support block no. 2.

[0009] Preferably, the upper end of the support block no. 2 is fixedly provided with a fixed bolt, and the upper end of the bearing plate is fixedly provided with an air outlet hole, which slows down the adhesion rate of the heater surface oxide due to the increase of the furnace running time, thereby reducing the furnace pressure value in the R5 section of the crystal bar, better controlling the oxygen content in the crystal bar, and facilitating the disassembly of the furnace for cleaning the bottom heater and the surface oxide of the air guide cylinder, so that the disassembly of the bottom heater and the air guide cylinder becomes simple and fast, and the normal operation of the equipment and the service life of the hot field parts can be ensured.

[0010] Preferably, the upper end of the air outlet hole is fixedly provided with an air outlet pipe, and the upper end of the air outlet pipe is fixedly provided with an air outlet nozzle, the heating area of the novel heater is around the air guide cylinder, so that there is no heating area shielding above the air guide cylinder, which is beneficial to the argon circulation during the furnace running process, reduces the impurity accumulation in the furnace, improves the effect of crystal pulling, and the low furnace pressure parameter has a greater influence on crystal pulling, and the use of the heater can improve the adaptability of argon flow, low furnace pressure and other parameters.

[0011] Preferably, the upper end of the air outlet nozzle is fixedly provided with a check valve, and the inside of the air inlet pipe is fixedly provided with a connecting rod.

[0012] Preferably, the middle part of the connecting rod is fixedly provided with an air inlet motor, and the right end of the air inlet motor is fixedly provided with an air inlet transmission shaft, which slows down the accumulation speed of oxides due to the increase of the running time of the furnace table, thereby reducing the furnace pressure value in the rear furnace of the R5 section of the crystal bar, better controlling the oxygen content in the crystal bar, facilitating the cleaning of the oxides of the bottom heater and the air guide cylinder, making the disassembly of the bottom heater and the air guide cylinder simple and fast, and also ensuring the normal operation of the equipment and prolonging the use of the hot field parts.

[0013] Preferably, the right end of the air inlet transmission shaft is fixedly provided with an air inlet fan blade, and the lower end of the support base is fixedly provided with a polyamide fiber layer.

[0014] Preferably, the lower end of the polyamide fiber layer is fixedly provided with a cellulose nanofiber layer, and the lower end of the cellulose nanofiber layer is fixedly provided with a polypropylene fiber layer.

[0015] Compared with the prior art, the new bottom heater has the advantages that:

[0016] 1. The new bottom heater slows down the adhesion rate of oxides on the surface of the heater due to the increase of the running time of the furnace table, thereby reducing the furnace pressure value in the rear furnace of the R5 section of the crystal bar and better controlling the oxygen content in the crystal bar. In addition, the cleaning of the oxides on the surface of the bottom heater and the air guide cylinder is facilitated, the disassembly of the bottom heater and the air guide cylinder becomes simple and fast, and the normal operation of the equipment and the service life of the hot field parts are also ensured.

[0017] 2. The new bottom heater has a heating area around the air guide cylinder, so that there is no heating area above the air guide cylinder, which is beneficial to the circulation of argon gas during the operation of the furnace table, reduces the accumulation of impurities in the furnace, improves the effect of crystal pulling, and the low furnace pressure parameter has a greater influence on crystal pulling. The use of this heater can improve the adaptability of argon flow, low furnace pressure and other parameters.

[0018] 3. The new bottom heater slows down the accumulation speed of oxides due to the increase of the running time of the furnace table, thereby reducing the furnace pressure value in the rear furnace of the R5 section of the crystal bar, better controlling the oxygen content in the crystal bar, facilitating the cleaning of the oxides of the bottom heater and the air guide cylinder, making the disassembly of the bottom heater and the air guide cylinder simple and fast, and also ensuring the normal operation of the equipment and prolonging the use of the hot field parts. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is a support block two structure schematic diagram of the utility model;

[0021] Figure 3 It is an air outlet nozzle structure schematic diagram of the utility model;

[0022] Figure 4 It is the schematic diagram of the air inlet pipe structure of the utility model;

[0023] Figure 5 It is the schematic diagram of the support base structure of the utility model.

[0024] In the drawing: 1, bottom heating plate; 2, support base; 3, air inlet pipe; 4, sealing groove; 5, bearing plate; 6, support block one; 7, reserved groove; 8, air inlet hole; 9, support block two; 10, fixed bolt; 11, air outlet hole; 12, air outlet pipe; 13, air outlet nozzle; 14, one-way valve; 15, connecting rod; 16, air inlet motor; 17, air inlet transmission shaft; 18, air inlet fan blade; 19, polyamide fiber layer; 20, cellulose nanofiber layer; 21, polypropylene fiber layer. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figures 1-4 The utility model provides a technical scheme: a novel bottom heater, the novel bottom heater includes bottom heating plate 1, support base 2, air inlet pipe 3, sealing groove 4, bearing plate 5, support block one 6, reserved groove 7, air inlet hole 8, support block two 9, fixed bolt 10, air outlet hole 11, air outlet pipe 12, air outlet nozzle 13, one-way valve 14, connecting rod 15, air inlet motor 16, air inlet transmission shaft 17, air inlet fan blade 18, polyamide fiber layer 19, cellulose nanofiber layer 20 and polypropylene fiber layer 21, the lower end of bottom heating plate 1 is fixedly provided with support base 2, the right end of bottom heating plate 1 is fixedly provided with air inlet pipe 3, the upper end of bottom heating plate 1 is fixedly provided with sealing groove 4, the upper end of bottom heating plate 1 is fixedly provided with bearing plate 5, the upper end of bearing plate 5 is fixedly provided with support block one 6, the upper end of bearing plate 5 is fixedly provided with reserved groove 7, the upper end of bearing plate 5 is fixedly provided with air inlet hole 8, the upper end of bearing plate 5 is fixedly provided with support block two 9.

[0027] The upper end of the support block two 9 is fixedly provided with a fixing bolt 10, the upper end of the bearing plate 5 is fixedly provided with an air outlet hole 11, the upper end of the air outlet hole 11 is fixedly provided with an air outlet pipe 12, the upper end of the air outlet pipe 12 is fixedly provided with an air outlet nozzle 13, the upper end of the air outlet nozzle 13 is fixedly provided with a one-way valve 14, the inside of the air inlet pipe 3 is fixedly provided with a connecting rod 15, through the installation of the bottom heating plate 1 and the support base 2, the support installation of the novel bottom heater is facilitated, then through the installation of the air inlet pipe 3, the air supplement of the novel bottom heater is facilitated, and the heating effect of the novel bottom heater is improved, then through the installation of the support block one 6, the support block two 9 and the fixing bolt 10, the adhesion rate of the surface oxide of the heater due to the increase of the running time of the furnace table is slowed down, so that the furnace pressure value in the rear furnace of the crystal bar R5 section is reduced.

[0028] The middle part of the connecting rod 15 is fixedly provided with an air inlet motor 16, the right end of the air inlet motor 16 is fixedly provided with an air inlet transmission shaft 17, the right end of the air inlet transmission shaft 17 is fixedly provided with an air inlet fan blade 18, the lower end of the support base 2 is fixedly provided with a polyamide fiber layer 19, the lower end of the polyamide fiber layer 19 is fixedly provided with a cellulose nanofiber layer 20, the lower end of the cellulose nanofiber layer 20 is fixedly provided with a polypropylene fiber layer 21, through the installation of the air outlet hole 11, the air outlet pipe 12, the air outlet nozzle 13 and the one-way valve 14, the air outlet effect of the novel bottom heater is improved, then through the installation of the air inlet motor 16, the air inlet transmission shaft 17 and the air inlet fan blade 18, the air supplement effect of the novel bottom heater is further improved, then through the installation of the polyamide fiber layer 19, the cellulose nanofiber layer 20 and the polypropylene fiber layer 21, the corrosion resistance effect of the novel bottom heater is improved.

[0029] Working principle: through the installation of the bottom heating plate 1 and the support base 2, the support installation of the novel bottom heater is facilitated, then through the installation of the air inlet pipe 3, the air supplement of the novel bottom heater is facilitated, and the heating effect of the novel bottom heater is improved, then through the installation of the support block one 6, the support block two 9 and the fixing bolt 10, the adhesion rate of the surface oxide of the heater due to the increase of the running time of the furnace table is slowed down, so that the furnace pressure value in the rear furnace of the crystal bar R5 section is reduced, then through the installation of the air outlet hole 11, the air outlet pipe 12, the air outlet nozzle 13 and the one-way valve 14, the air outlet effect of the novel bottom heater is improved, then through the installation of the air inlet motor 16, the air inlet transmission shaft 17 and the air inlet fan blade 18, the air supplement effect of the novel bottom heater is further improved, then through the installation of the polyamide fiber layer 19, the cellulose nanofiber layer 20 and the polypropylene fiber layer 21, the corrosion resistance effect of the novel bottom heater is improved.

[0030] Finally, it should be noted that the above is merely to illustrate the technical solutions of the present application, and is not a limitation on the scope of protection of the present application, and simple modifications or equivalent replacements of the technical solutions of the present application by those skilled in the art do not deviate from the essence and scope of the technical solutions of the present application.

Claims

1. A new type of bottom heater, comprising a bottom heating plate (1), a supporting base (2), an air inlet pipe (3), a sealing groove (4) and a bearing plate (5), characterized in that: The lower end of the bottom heating plate (1) is fixedly provided with a supporting base (2), the right end of the bottom heating plate (1) is fixedly provided with an air inlet pipe (3), the upper end of the bottom heating plate (1) is fixedly provided with a sealing groove (4), the upper end of the bottom heating plate (1) is fixedly provided with a bearing plate (5), the upper end of the bearing plate (5) is fixedly provided with a supporting block one (6), the upper end of the bearing plate (5) is fixedly provided with a reserved groove (7), the upper end of the bearing plate (5) is fixedly provided with an air inlet hole (8), and the upper end of the bearing plate (5) is fixedly provided with a supporting block two (9).

2. A novel bottom heater as claimed in claim 1, wherein: The upper end of the supporting block two (9) is fixedly provided with a fixing bolt (10), and the upper end of the bearing plate (5) is fixedly provided with an air outlet hole (11).

3. A novel bottom heater as claimed in claim 2, wherein: The upper end of the air outlet hole (11) is fixedly provided with an air outlet pipe (12), and the upper end of the air outlet pipe (12) is fixedly provided with an air outlet nozzle (13).

4. A novel bottom heater as claimed in claim 3, wherein: The upper end of the air outlet nozzle (13) is fixedly provided with a one-way valve (14), and the inside of the air inlet pipe (3) is fixedly provided with a connecting rod (15).

5. A novel bottom heater as claimed in claim 4, wherein: The middle part of the connecting rod (15) is fixedly provided with an air inlet motor (16), and the right end of the air inlet motor (16) is fixedly provided with an air inlet transmission shaft (17).

6. A novel bottom heater as claimed in claim 5, wherein: The right end of the air inlet transmission shaft (17) is fixedly provided with an air inlet fan blade (18), and the lower end of the supporting base (2) is fixedly provided with a polyamide fiber layer (19).

7. A novel bottom heater as claimed in claim 6, wherein: The lower end of the polyamide fiber layer (19) is fixedly provided with a cellulose nanofiber layer (20), and the lower end of the cellulose nanofiber layer (20) is fixedly provided with a polypropylene fiber layer (21).

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