CN111020767B - Biphenyl hot box structure - Google Patents
Biphenyl hot box structure Download PDFInfo
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- CN111020767B CN111020767B CN201911323166.6A CN201911323166A CN111020767B CN 111020767 B CN111020767 B CN 111020767B CN 201911323166 A CN201911323166 A CN 201911323166A CN 111020767 B CN111020767 B CN 111020767B
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- biphenyl
- pipe
- cooling water
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/004—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by heating fibres, filaments, yarns or threads so as to create a temperature gradient across their diameter, thereby imparting them latent asymmetrical shrinkage properties
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
- D02G1/0206—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- General Induction Heating (AREA)
Abstract
The invention discloses a biphenyl heating box structure, which comprises a box body, a biphenyl heating pipe, a biphenyl condensing pipe and a plurality of biphenyl steam pipes, wherein the biphenyl heating pipe, the biphenyl condensing pipe and the biphenyl steam pipes are arranged in the box body; a spinning pipe penetrates through the biphenyl steam pipe, the biphenyl steam pipe is respectively connected with the biphenyl heating pipe and the biphenyl condensing pipe, a turbulent flow structure is arranged between the spinning pipe and the biphenyl steam pipe, the turbulent flow structure comprises a first row of turbulent flow baffles and a second row of turbulent flow baffles, the first row of turbulent flow baffles and the second row of turbulent flow baffles are arranged on the inner wall of the biphenyl steam pipe, and the first row of turbulent flow baffles and the second row of turbulent flow baffles are respectively positioned on two sides of the spinning pipe; still including condensing mechanism with higher speed, condensing mechanism with higher speed includes water supply container and cooling water coil pipe, and the cooling water coil pipe is the wave setting in the inside of biphenyl condenser pipe, and the both ends of cooling water coil pipe are connected with water supply container through cooling water outlet pipe and cooling water back flow respectively, are equipped with circulating water pump on the cooling water outlet pipe. The biphenyl heating box structure has a good heating effect and can accelerate biphenyl steam condensation.
Description
Technical Field
The invention relates to a biphenyl heat box structure.
Background
The biphenyl hot box is a heating component used on the false twist texturing machine, the chemical fiber filament is heated in the biphenyl hot box in the false twist texturing machine to be deformed, the biphenyl hot box is one of essential important spinning equipment, and the quality of the hot box is directly related to the quality of the textured filament. But the existing biphenyl hot box has poor heating effect and is not beneficial to the forming quality of spinning; further, since the hot box needs to be exhausted during use, if the hot box is exhausted in time, the air pressure may become too high, which may cause a risk of explosion. Therefore, a biphenyl hot box structure which has a good heating effect and can effectively reduce the internal pressure of the box body needs to be designed.
Disclosure of Invention
The invention aims to provide a biphenyl heat box structure which is reasonable in structure, good in heating effect and beneficial to improving the forming quality of spinning; and the condensation of biphenyl steam can be accelerated, so that the pressure in the pipe is reduced, and the safety of the hot box is improved.
In order to achieve the purpose, the technical scheme of the invention is to design a biphenyl heating box structure, which comprises a box body, and a biphenyl heating pipe, a biphenyl condensation pipe and a plurality of biphenyl steam pipes which are arranged in the box body; the biphenyl heating pipes and the biphenyl condensation pipes are horizontally arranged, the biphenyl heating pipes are located below the biphenyl condensation pipes, the biphenyl steam pipes are vertically arranged, spinning pipes vertically penetrate through the biphenyl steam pipes, two ends of each biphenyl steam pipe are connected with the biphenyl heating pipes and the biphenyl condensation pipes through guide pipes respectively, a turbulent flow structure is arranged between each spinning pipe and each biphenyl steam pipe and comprises a first row of turbulent flow baffles and a second row of turbulent flow baffles, the first row of turbulent flow baffles and the second row of turbulent flow baffles are arranged on the inner walls of the biphenyl steam pipes and comprise a plurality of turbulent flow baffles, and the first row of turbulent flow baffles and the second row of turbulent flow baffles are located on two sides of each spinning pipe respectively; the hot case structure of biphenyl still includes condensation mechanism with higher speed, and this condensation mechanism with higher speed includes water supply container, cooling water coil pipe, cooling water outlet pipe, cooling water back flow and circulating water pump, the cooling water coil pipe is the inside of wave setting at the biphenyl condenser pipe, and the lateral wall that the biphenyl condenser pipe was run through to the one end of this cooling water coil pipe is equipped with first connector, and the other end of this cooling water coil pipe runs through the lateral wall of biphenyl condenser pipe and is equipped with the second connector, the storage has the cooling water in the water supply container, and one side of this water supply container is connected the cooling water outlet pipe, the other end and the first connector of this cooling water outlet pipe are connected, the opposite side of water supply container is connected the cooling water back flow, the other end and the second connector of this cooling water back flow are connected, circulating water pump sets up on the cooling.
Preferably, the plurality of turbulence baffles of the first row of turbulence baffles and the plurality of turbulence baffles of the second row of turbulence baffles are arranged at equal intervals along the axial direction of the biphenyl steam pipe, and the plurality of turbulence baffles of the first row of turbulence baffles and the plurality of turbulence baffles of the second row of turbulence baffles are arranged in a staggered manner.
Preferably, the turbulent baffle is arranged to be gradually inclined downwards from the inner wall of the biphenyl steam pipe to the outer wall of the spinning pipe.
Preferably, the accelerated condensation mechanism further comprises a semiconductor refrigeration piece, and the refrigeration surface of the semiconductor refrigeration piece is abutted and attached to the top wall of the water supply container.
Preferably, the biphenyl heating pipe is provided with a plurality of electromagnetic induction heaters which are arranged at equal intervals along the axial direction of the biphenyl heating pipe, each electromagnetic induction heater comprises a first shell and a second shell, the first shell and the second shell are both semicircular, the inner sides of the first shell and the second shell are respectively provided with a heat preservation layer, a coil layer, an alloy aluminum rod and a heat insulation layer, the heat preservation layer, the coil layer, the alloy aluminum rod and the heat insulation layer are sequentially arranged from inside to outside, the first shell and the second shell are folded to form a cylindrical barrel shape sleeved on the biphenyl heating pipe, the coil layer on the first shell and the coil layer on the second shell are butted to form a closed induction coil, two ends of the first shell respectively extend outwards to form a first connecting part, each first connecting part is provided with two clamping grooves, two ends of the second shell respectively extend outwards to form a second connecting part, and two elastic clamping blocks are arranged on each second connecting part, and the two elastic clamping blocks on each second connecting part are correspondingly clamped with the two clamping grooves on the first connecting part one by one.
Preferably, the first connecting portion is provided with a positioning pin located between the two clamping grooves, and the second connecting portion is provided with a positioning hole for inserting the positioning pin.
Preferably, the first connecting portion and the second connecting portion are both provided with wire passing holes.
Preferably, a plurality of biphenyl return pipes are connected between the biphenyl heating pipes and the biphenyl condensation pipes, and the biphenyl return pipes are vertically arranged.
The invention has the advantages and beneficial effects that: the biphenyl heat box structure is reasonable in structure, good in heating effect and beneficial to improving the forming quality of spinning; and the condensation of biphenyl steam can be accelerated, so that the pressure in the pipe is reduced, and the safety of the hot box is improved. The during operation becomes biphenyl steam through the biphenyl heating of electromagnetic induction heater in with the biphenyl heating pipe, and biphenyl steam flows through the biphenyl steam pipe and carries out the heat transfer to the spinning pipe to make spinning pipe and the spinning that passes the spinning pipe thermally equivalent, get into the biphenyl condenser pipe with the biphenyl steam after the spinning pipe heat transfer, flow back to the biphenyl heating pipe through the biphenyl back flow after the condensation, so that cyclic utilization biphenyl. Because set up turbulent structure between biphenyl steam pipe and spinning pipe, this turbulent structure can play certain effect of blockking to the rising of biphenyl steam, consequently prolonged the time that biphenyl steam stayed in the biphenyl steam pipe to be favorable to biphenyl steam to carry out abundant heat transfer to the spinning pipe, with the heating effect of improvement to spinning pipe and spinning. And, because the cooling water coil is the wave setting, so increased the area of contact with biphenyl steam, improved the condensation effect, the semiconductor refrigeration piece can make the cooling water cooling after rising the temperature in the water supply container moreover for the cooling water that lets in again in the cooling water coil is the lower cooling water of temperature, has further improved the condensation effect. In addition, the electromagnetic induction heater is a detachable split structure, so that the electromagnetic induction heater is greatly convenient to detach and install; when the electromagnetic induction heater is damaged and needs to be replaced, force is applied to the first shell and the second shell to separate the first shell and the second shell until the elastic clamping block on the second shell is separated from the clamping groove on the first shell, and then the magnetic induction heater is disassembled; when the magnetic induction heater is installed, the end part of the positioning pin on the first shell is inserted into the positioning hole on the second shell, the clamping groove on the first shell corresponds to the elastic clamping block on the second shell at the moment, then the first shell and the second shell are folded by applying force until the elastic clamping block is clamped into the clamping groove, and the installation of the magnetic induction heater is completed.
Drawings
FIG. 1 is a schematic of the present invention.
Fig. 2 is a schematic view of a connection structure of a biphenyl steam pipe, a biphenyl heating pipe, and a biphenyl condensation pipe in the present invention.
Fig. 3 is a schematic view of a turbulent flow structure in the present invention.
Fig. 4 is a schematic view of the condensing acceleration mechanism according to the present invention.
Fig. 5 is a schematic view of an electromagnetic induction heater in the present invention.
Fig. 6 is a schematic view of a connection structure of a first connection portion and a second connection portion in the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The technical scheme of the specific implementation of the invention is as follows:
as shown in fig. 1 to 6, a biphenyl heating box structure comprises a box body 1, and a biphenyl heating pipe 2, a biphenyl condensation pipe 3 and a plurality of biphenyl steam pipes 4 which are arranged inside the box body 1; the biphenyl heating pipes 2 and the biphenyl condensation pipes 3 are horizontally arranged, the biphenyl heating pipes 2 are located below the biphenyl condensation pipes 3, the biphenyl steam pipes 4 are vertically arranged, spinning pipes 5 vertically penetrate through the biphenyl steam pipes 4, two ends of each biphenyl steam pipe 4 are connected with the biphenyl heating pipes 2 and the biphenyl condensation pipes 3 through guide pipes 6 respectively, a turbulent flow structure is arranged between the spinning pipes 5 and the biphenyl steam pipes 4 and comprises a first row of turbulent flow baffles 7 and a second row of turbulent flow baffles 8 which are arranged on the inner walls of the biphenyl steam pipes 4, the first row of turbulent flow baffles 7 and the second row of turbulent flow baffles 8 respectively comprise a plurality of turbulent flow baffles 9, and the first row of turbulent flow baffles 7 and the second row of turbulent flow baffles 8 are located on two sides of the spinning pipes 5 respectively; the biphenyl hot box structure also comprises an accelerated condensation mechanism, the accelerated condensation mechanism comprises a water supply container 10, a cooling water coil 11, a cooling water outlet pipe 12, a cooling water return pipe 13 and a circulating water pump 14, the cooling water coil 11 is arranged inside the biphenyl condensation pipe 3 in a wave shape, one end of the cooling water coil 11 penetrates through the side wall of the biphenyl condensation pipe 3 and is provided with a first connecting head 15, and the other end of the cooling water coil 11 penetrates through the side wall of the biphenyl condensation pipe 3 and is provided with a second connector 16, cooling water is stored in the water supply container 10, one side of the water supply container 10 is connected with the cooling water outlet pipe 12, the other end of the cooling water outlet pipe 12 is connected with a first connector 15, the other side of the water supply container 10 is connected with the cooling water return pipe 13, the other end of the cooling water return pipe 13 is connected with a second connector 16, and the circulating water pump 14 is arranged on the cooling water outlet pipe 12.
The plurality of turbulence baffles 9 of the first row of turbulence baffles 7 and the plurality of turbulence baffles 9 of the second row of turbulence baffles 8 are arranged at equal intervals along the axial direction of the biphenyl steam pipe 4, and the plurality of turbulence baffles 9 of the first row of turbulence baffles 7 and the plurality of turbulence baffles 9 of the second row of turbulence baffles 8 are arranged in a staggered manner.
The turbulent baffle 9 is inclined downward from the inner wall of the biphenyl steam pipe 4 to the outer wall of the spinning pipe 5.
The accelerated condensation mechanism further comprises a semiconductor refrigeration piece 17, and the refrigeration surface of the semiconductor refrigeration piece 17 is abutted and attached to the top wall of the water supply container 10.
The biphenyl heating pipe 2 is provided with a plurality of electromagnetic induction heaters 18, the plurality of electromagnetic induction heaters 18 are arranged at equal intervals along the axial direction of the biphenyl heating pipe 2, each electromagnetic induction heater 18 comprises a first shell 19 and a second shell 20, the first shell 19 and the second shell 20 are both semicircular, the inner sides of the first shell 19 and the second shell 20 are respectively provided with a heat insulation layer 21, a coil layer 22, an alloy aluminum rod 23 and a heat insulation layer 24, the heat insulation layer 21, the coil layer 22, the alloy aluminum rod 23 and the heat insulation layer 24 are sequentially arranged from inside to outside, the first shell 19 and the second shell 20 are folded to form a cylindrical barrel shape sleeved on the biphenyl heating pipe 2, the coil layer 22 on the first shell 19 and the coil layer 22 on the second shell 20 are butted to form a closed induction coil, two ends of the first shell 19 respectively extend outwards to form a first connecting part 25, each first connecting part 25 is provided with two clamping grooves, two ends of the second housing 20 respectively extend outward to form second connecting portions 26, two elastic blocks 27 are arranged on each second connecting portion 26, and the two elastic blocks 27 on each second connecting portion 26 are correspondingly clamped with the two clamping grooves on the first connecting portion 25.
The first connecting portion 25 is provided with a positioning pin 28 located between the two slots, and the second connecting portion 26 is provided with a positioning hole into which the positioning pin 28 is inserted.
The first connecting portion 25 and the second connecting portion 26 are provided with wire passing holes 29.
A plurality of biphenyl reflux pipes 30 are connected between the biphenyl heating pipes 2 and the biphenyl condensing pipes 3, and the biphenyl reflux pipes 30 are vertically arranged.
The invention has the advantages and beneficial effects that: the biphenyl heat box structure is reasonable in structure, good in heating effect and beneficial to improving the forming quality of spinning; and the condensation of biphenyl steam can be accelerated, so that the pressure in the pipe is reduced, and the safety of the hot box is improved. The during operation, the biphenyl heating through electromagnetic induction heater 18 in with biphenyl heating pipe 2 becomes biphenyl steam, and biphenyl steam flows through biphenyl steam pipe 4 and carries out the heat transfer to spinning pipe 5 to make spinning pipe 5 and the spinning thermally equivalent that passes spinning pipe 5, with the biphenyl steam entering biphenyl condenser pipe 3 after the 5 heat transfer of spinning pipe, flow back to biphenyl heating pipe 2 through biphenyl back flow pipe 30 after the condensation, so that cyclic utilization biphenyl. Because the turbulent structure is arranged between the biphenyl steam pipe 4 and the spinning pipe 5, the turbulent structure can play a certain role in stopping the rising of the biphenyl steam, so that the retention time of the biphenyl steam in the biphenyl steam pipe 4 is prolonged, the biphenyl steam is favorable for carrying out sufficient heat transfer on the spinning pipe 5, and the heating effect on the spinning pipe 5 and the spinning is improved. In addition, the cooling water coil 11 is arranged in a wave shape, so that the contact area of the cooling water coil and biphenyl steam is increased, the condensation effect is improved, the semiconductor refrigeration sheet 17 can cool the cooling water heated in the water supply container 10, and the cooling water introduced into the cooling water coil 11 again is cooling water with lower temperature, so that the condensation effect is further improved. In addition, the electromagnetic induction heater 18 is a detachable split structure, which greatly facilitates the detachment and installation of the electromagnetic induction heater 18; when the electromagnetic induction heater 18 is damaged and needs to be replaced, the first shell 19 and the second shell 20 are separated by applying force until the elastic fixture block 27 on the second shell 20 is separated from the clamping groove on the first shell 19, so that the magnetic induction heater 18 is dismounted; when the magnetic induction heater 18 is installed, the end of the positioning pin 28 on the first housing 19 is inserted into the positioning hole on the second housing 20, at this time, the position of the slot on the first housing 19 corresponds to the position of the elastic fixture block 27 on the second housing 20, and then the first housing 19 and the second housing 20 are folded by applying force until the elastic fixture block 27 is clamped into the slot, so that the installation of the magnetic induction heater 18 is completed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (1)
1. A biphenyl heating box structure is characterized by comprising a box body, a biphenyl heating pipe, a biphenyl condensation pipe and a plurality of biphenyl steam pipes, wherein the biphenyl heating pipe, the biphenyl condensation pipe and the biphenyl steam pipes are arranged in the box body; the biphenyl heating pipes and the biphenyl condensation pipes are horizontally arranged, the biphenyl heating pipes are located below the biphenyl condensation pipes, the biphenyl steam pipes are vertically arranged, spinning pipes vertically penetrate through the biphenyl steam pipes, two ends of each biphenyl steam pipe are connected with the biphenyl heating pipes and the biphenyl condensation pipes through guide pipes respectively, a turbulent flow structure is arranged between each spinning pipe and each biphenyl steam pipe and comprises a first row of turbulent flow baffles and a second row of turbulent flow baffles, the first row of turbulent flow baffles and the second row of turbulent flow baffles are arranged on the inner walls of the biphenyl steam pipes and comprise a plurality of turbulent flow baffles, and the first row of turbulent flow baffles and the second row of turbulent flow baffles are located on two sides of each spinning pipe respectively; the biphenyl heat box structure further comprises an accelerated condensation mechanism, the accelerated condensation mechanism comprises a water supply container, a cooling water coil, a cooling water outlet pipe, a cooling water return pipe and a circulating water pump, the cooling water coil is arranged inside the biphenyl condensation pipe in a wave shape, one end of the cooling water coil penetrates through the side wall of the biphenyl condensation pipe and is provided with a first connector, the other end of the cooling water coil penetrates through the side wall of the biphenyl condensation pipe and is provided with a second connector, cooling water is stored in the water supply container, one side of the water supply container is connected with the cooling water outlet pipe, the other end of the cooling water outlet pipe is connected with the first connector, the other side of the water supply container is connected with the cooling water return pipe, the other end of the cooling water return pipe is connected with the second connector, and the circulating water pump is arranged on the cooling water outlet pipe; the plurality of turbulence baffles of the first row of turbulence baffles and the plurality of turbulence baffles of the second row of turbulence baffles are arranged at equal intervals along the axial direction of the biphenyl steam pipe, and the plurality of turbulence baffles of the first row of turbulence baffles and the plurality of turbulence baffles of the second row of turbulence baffles are arranged in a staggered manner; the turbulent baffle is gradually and downwards inclined from the inner wall of the biphenyl steam pipe to the outer wall of the spinning pipe; the accelerated condensation mechanism also comprises a semiconductor refrigerating piece, and the refrigerating surface of the semiconductor refrigerating piece is abutted and attached to the top wall of the water supply container; the biphenyl heating pipe is provided with a plurality of electromagnetic induction heaters which are arranged at equal intervals along the axial direction of the biphenyl heating pipe, each electromagnetic induction heater comprises a first shell and a second shell, the first shell and the second shell are both semicircular, the inner sides of the first shell and the second shell are respectively provided with a heat preservation layer, a coil layer, an alloy aluminum bar and a heat insulation layer, the heat preservation layer, the coil layer, the alloy aluminum bar and the heat insulation layer are sequentially arranged from inside to outside, the first shell and the second shell are folded to form a cylindrical barrel shape sleeved on the biphenyl heating pipe, the coil layer on the first shell and the coil layer on the second shell are butted to form a closed induction coil, the two ends of the first shell respectively extend outwards to form first connecting parts, each first connecting part is provided with two clamping grooves, and the two ends of the second shell respectively extend outwards to form a second connecting part, two elastic clamping blocks are arranged on each second connecting part, and the two elastic clamping blocks on each second connecting part are correspondingly clamped with the two clamping grooves on the first connecting part one by one; the first connecting part is provided with a positioning pin positioned between the two clamping grooves, and the second connecting part is provided with a positioning hole for the positioning pin to be inserted into; the first connecting part and the second connecting part are both provided with wire passing holes; a plurality of biphenyl back flow pipes are connected between the biphenyl heating pipes and the biphenyl condensation pipes, and the biphenyl back flow pipes are vertically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911323166.6A CN111020767B (en) | 2019-12-20 | 2019-12-20 | Biphenyl hot box structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911323166.6A CN111020767B (en) | 2019-12-20 | 2019-12-20 | Biphenyl hot box structure |
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| Publication Number | Publication Date |
|---|---|
| CN111020767A CN111020767A (en) | 2020-04-17 |
| CN111020767B true CN111020767B (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911323166.6A Active CN111020767B (en) | 2019-12-20 | 2019-12-20 | Biphenyl hot box structure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113981579B (en) * | 2021-11-09 | 2022-11-22 | 四川润厚特种纤维有限公司 | Efficient texturing processing device and production process for polyamide yarns |
| CN113898935B (en) * | 2021-11-15 | 2024-09-20 | 苏州市锦翔压力容器制造有限公司 | Biphenyl steam generator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3777338A (en) * | 1972-09-18 | 1973-12-11 | Allied Chem | Electronic-pneumatic yarn plug control system for yarn texturing device |
| CN104998706A (en) * | 2015-07-04 | 2015-10-28 | 河南科技大学 | Cooling water circulating device |
| CN206442536U (en) * | 2016-11-28 | 2017-08-25 | 杭州富阳蓝博节能科技有限公司 | A kind of open type tubbiness electromagnetic induction coil heater |
| CN206783877U (en) * | 2017-06-01 | 2017-12-22 | 盐城市南源涂装有限公司 | A kind of biphenyl heater box |
| CN206777906U (en) * | 2017-06-01 | 2017-12-22 | 盐城市南源涂装有限公司 | A kind of condenser system for biphenyl heater box |
| CN206783841U (en) * | 2017-06-01 | 2017-12-22 | 盐城市南源涂装有限公司 | A kind of uniform heating tube of biphenyl heater box |
-
2019
- 2019-12-20 CN CN201911323166.6A patent/CN111020767B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3777338A (en) * | 1972-09-18 | 1973-12-11 | Allied Chem | Electronic-pneumatic yarn plug control system for yarn texturing device |
| CN104998706A (en) * | 2015-07-04 | 2015-10-28 | 河南科技大学 | Cooling water circulating device |
| CN206442536U (en) * | 2016-11-28 | 2017-08-25 | 杭州富阳蓝博节能科技有限公司 | A kind of open type tubbiness electromagnetic induction coil heater |
| CN206783877U (en) * | 2017-06-01 | 2017-12-22 | 盐城市南源涂装有限公司 | A kind of biphenyl heater box |
| CN206777906U (en) * | 2017-06-01 | 2017-12-22 | 盐城市南源涂装有限公司 | A kind of condenser system for biphenyl heater box |
| CN206783841U (en) * | 2017-06-01 | 2017-12-22 | 盐城市南源涂装有限公司 | A kind of uniform heating tube of biphenyl heater box |
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