CN113418300A - High efficiency boiler heat conduction oil pipeline - Google Patents
High efficiency boiler heat conduction oil pipeline Download PDFInfo
- Publication number
- CN113418300A CN113418300A CN202110719282.0A CN202110719282A CN113418300A CN 113418300 A CN113418300 A CN 113418300A CN 202110719282 A CN202110719282 A CN 202110719282A CN 113418300 A CN113418300 A CN 113418300A
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- Prior art keywords
- pipe
- blocking block
- flow
- joint
- shaped
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000003921 oil Substances 0.000 claims abstract description 60
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 230000000903 blocking effect Effects 0.000 claims abstract description 27
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 7
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052799 carbon Inorganic materials 0.000 abstract description 11
- 239000010802 sludge Substances 0.000 abstract description 11
- 230000008021 deposition Effects 0.000 abstract description 9
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000001464 adherent effect Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to a high-efficiency boiler heat-conducting oil pipeline, which effectively solves the problems that carbon deposition is easily formed on the inner wall of a heat-conducting oil pipe, the heat exchange efficiency is low, and a bent pipe is easily partially blocked; the technical scheme includes that the device comprises a plurality of pipe joints, a multi-section pipe body and a plurality of U-shaped joints, wherein a cross rod vertical to an axis is fixed in each pipe joint, a vertical rod coincident with the axis is fixed on each cross rod, a flow blocking block penetrates through each vertical rod, the flow area of each flow blocking block is the same as that of the rest parts of a pipeline, a spring is arranged between each flow blocking block and each cross rod, a liquid pipe is arranged on the side wall of each pipe joint, two plungers are respectively arranged at two ends of each liquid pipe, hydraulic oil is arranged between the two plungers, an alarm is arranged outside each pipe joint, and a switch of the alarm is arranged at the outer end part of each liquid pipe; the invention can slow down the speed of carbon deposition formation on the inner wall of the pipeline on one hand, and can effectively improve the heat exchange efficiency of the heat-conducting oil pipe on the other hand, and in addition, the oil sludge deposited at the bent pipe can be automatically collected and is convenient to clean.
Description
Technical Field
The invention relates to the field of boiler equipment, in particular to a high-efficiency boiler heat-conducting oil pipeline.
Background
The organic heat carrier boiler is a boiler which takes high-temperature heat conduction oil as a heat medium for heat exchange, and the heat conduction oil is subjected to oxidation polymerization or condensation reaction at high temperature for a long time to form oil sludge and carbon deposit; when the heat conducting oil flows in the oil pipe, because the outer layer fluid is subjected to the friction resistance of the inner wall of the pipe, and the inner layer fluid at the axis does not have the friction resistance, the outer layer flow velocity is low, the inner layer flow velocity is high, and the flow velocity difference brings two disadvantages: firstly, the adherent flow rate of the outer layer is low, so that the carbon deposition is more easily deposited and solidified on the inner wall of the pipeline, and the formation speed of the carbon deposition is high; secondly, under the condition of the same total flow, the outer layer flow rate is low, the inner layer flow rate is high, the outer layer flow rate is small, the inner layer flow rate is large, and heat exchange between heat conduction oil and the pipeline wall mainly occurs in the outer layer fluid, so that a large amount of heat conduction oil flows through the inner layer and cannot directly participate in heat exchange with the pipeline wall in a single pass, the outer layer flow rate directly participating in heat exchange is small, and the heat exchange efficiency is low; in addition, the sludge formed in the pipeline is mainly deposited at the reversing position of the pipeline, so that the bent pipe is easy to form local blockage to influence the operation of the whole equipment.
Disclosure of Invention
The invention provides a high-efficiency boiler heat-conducting oil pipeline, aiming at solving the problems that carbon deposition is easily formed on the inner wall of a heat-conducting oil pipe, the heat exchange efficiency is low, and a bent pipe is easily partially blocked.
The technical scheme is that the high-efficiency boiler heat-conducting oil pipeline comprises a plurality of pipe joints, a plurality of sections of pipe bodies and a plurality of U-shaped joints, wherein the pipe joints are short pipes, the pipe bodies are long pipes, the pipe joints and the pipe bodies are alternately arranged along an axis and connected, and the U-shaped joints are arranged at the steering positions of the pipeline, so that the heat-conducting oil pipes which are arranged in an S shape are formed, and the pipe joints are arranged on the heat-conducting oil pipes at equal intervals; the pipe joint in be fixed with one with axis vertically horizontal pole, be fixed with a montant with the axis coincidence on the horizontal pole, wear to be equipped with a choked flow piece on the montant, choked flow piece can follow montant endwise slip, choked flow piece is toper and tip towards heat conduction oil pipe's upstream direction, the pipe diameter of the pipe joint of choked flow piece department enlarges, the area of overflowing of messenger choked flow piece department is the same with the area of overflowing of the other positions of pipeline, install a first spring between the main aspects of choked flow piece and the horizontal pole, a liquid pipe is equipped with through the screw thread spiral on the lateral wall of pipe joint, the one end of liquid pipe stretches into in the pipe joint, one end stretches out outside the pipe joint, a plunger is respectively installed at the both ends of liquid pipe, be equipped with hydraulic oil between two plungers, the pipe joint is equipped with an alarm outward, the switch of alarm is installed at the outer tip of liquid pipe, install the second spring between the plunger of liquid pipe outer end and the liquid pipe tip, the plunger of inner liquid pipe stretches out the liquid pipe and contacts with the main aspects of choked flow piece.
A plurality of inclined channels are formed in the flow choking block, one end of each channel is positioned on the side wall of the flow choking block, and the other end of each channel is positioned at the large end of the flow choking block.
The middle part of the outer side of the U-shaped joint is provided with an inclined tube, the inner end of the inclined tube is communicated with the inside of the U-shaped tube, a tube opening at the end of the inclined tube faces to the downstream direction, and the outer end of the inclined tube is screwed with an end cover through threads.
The inclined tube is internally provided with a rotating shaft, one end of the rotating shaft extends into the U-shaped tube, the end of the rotating shaft is provided with a hydraulic blade, and the rotating shaft is provided with a helical blade.
An arc-shaped baffle plate is arranged on the upstream side of the inner port of the inclined tube, and a gap is reserved between the baffle plate and the downstream side of the orifice of the inclined tube.
The pipe body is connected with the pipe joint and the U-shaped joint through flanges.
The pipe joint is characterized in that two end faces of each pipe body are respectively provided with an annular groove, the section of each annular groove is V-shaped, a sealing ring with the V-shaped section is arranged in each annular groove, two ends of each pipe joint and two ends of each U-shaped joint are respectively provided with an annular bulge matched with the annular groove, and after the annular bulges are inserted into the annular grooves, the flange bolts are screwed down to press the sealing rings to form effective sealing.
The invention can slow down the flow velocity of the inner layer and the outer layer of the pipeline, on one hand, the speed of carbon deposition on the inner wall of the pipeline can be slowed down, on the other hand, the heat exchange efficiency of the heat conduction oil pipe can be effectively improved, and in addition, the oil sludge deposited on the bent pipe can be automatically collected and is convenient to clean.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a front sectional view of the present invention.
Fig. 3 is a front cross-sectional view of a pipe section.
Fig. 4 is a perspective view of a pipe section.
Fig. 5 is a front sectional view of the U-shaped joint.
Fig. 6 is an enlarged view of the position a in fig. 2.
Fig. 7 is an enlarged view of the position B in fig. 3.
Detailed Description
The following further describes embodiments of the present invention with reference to fig. 1-7.
The heat-conducting oil pipe comprises a plurality of pipe joints 1, a plurality of pipe bodies 2 and a plurality of U-shaped joints 3, wherein the pipe joints 1 are short pipes, the pipe bodies 2 are long pipes, the pipe joints 1 and the pipe bodies 2 are alternately arranged along an axis and connected, and the U-shaped joints 3 are arranged at the steering positions of the pipeline, so that the heat-conducting oil pipe arranged in an S shape is formed, and the pipe joints 1 are arranged on the heat-conducting oil pipe at equal intervals; a cross bar 4 vertical to the axis is fixed in the pipe joint 1, a vertical bar 5 coincident with the axis is fixed on the cross bar 4, a flow blocking block 6 penetrates through the vertical bar 5, the flow blocking block 6 can slide along the axial direction of the vertical bar 5, the flow blocking block 6 is conical, the small end of the flow blocking block faces the upstream direction of the heat conducting oil pipe, the pipe diameter of the pipe joint 1 at the position of the flow blocking block 6 is enlarged, the overflowing area at the position of the flow blocking block 6 is the same as that of the rest parts of the pipeline, a first spring 7 is arranged between the large end of the flow blocking block 6 and the cross bar 4, a liquid pipe 8 is screwed on the side wall of the pipe joint 1 through threads, one end of the liquid pipe 8 extends into the pipe joint 1, one end extends out of the pipe joint 1, two ends of the liquid pipe 8 are respectively provided with a plunger 9, hydraulic oil is arranged between the two plungers 9, an alarm 10 is arranged outside the pipe joint 1, and a switch 11 of the alarm 10 is arranged at the outer end part of the liquid pipe 8, a second spring 12 is arranged between the plunger 9 at the outer end of the liquid pipe 8 and the end of the liquid pipe 8, and the plunger 9 at the inner end of the liquid pipe 8 extends out of the liquid pipe 8 and is contacted with the large end of the flow blocking block 6.
The flow blocking block 6 is internally provided with a plurality of inclined channels 13, one end of each channel 13 is positioned on the side wall of the flow blocking block 6, one end of each channel 13 is positioned at the large end of the flow blocking block 6, when heat conduction oil flows through the flow blocking block 6, part of the heat conduction oil flows to the large end of the flow blocking block 6 through the channels 13, and cavity vortexes formed by the large end of the flow blocking block 6 are reduced, so that the pressure loss generated by the cavitation vortexes is reduced.
An inclined tube 14 is arranged in the middle of the outer side of the U-shaped joint 3, the inner end of the inclined tube 14 is communicated with the inside of the U-shaped tube, a tube opening at the end of the inclined tube 14 faces the downstream direction, an end cover 15 is screwed at the outer end of the inclined tube 14 through threads, and oil sludge deposited in the U-shaped tube can slide into the inclined tube 14.
A rotating shaft 16 is arranged in the inclined tube 14, one end of the rotating shaft 16 extends into the U-shaped tube, a hydraulic blade 17 is arranged at the end of the rotating shaft 16, a helical blade 18 is arranged on the rotating shaft 16, and when the rotating shaft 16 rotates, the helical blade 18 can push the oil sludge to the outer end of the inclined tube 14.
An arc-shaped baffle plate 19 is installed on the upstream side of the inner port of the inclined tube 14, a gap is reserved between the baffle plate 19 and the downstream side of the orifice of the inclined tube 14, and when heat conduction oil flows through the baffle plate 19, a scouring blind area is formed on the downstream side of the orifice of the inclined tube 14, as shown in a position C in figure 2, so that oil sludge is deposited in the blind area and slides into the inclined tube 14.
The pipe body 2 is connected with the pipe joint 1 and the U-shaped joint 3 through flanges.
Two end faces of each pipe body 2 are respectively provided with an annular groove 20, the section of each annular groove 20 is V-shaped, a sealing ring 21 with the V-shaped section is arranged in each annular groove 20, two ends of each pipe joint 1 and two ends of each U-shaped joint 3 are respectively provided with an annular bulge 22 matched with the annular groove 20, and after the annular bulges 22 are inserted into the annular grooves 20, the flange bolts are screwed down to press the sealing rings 21 to form effective sealing.
When heat conducting oil flows in a common oil pipe, the heat conducting oil close to the outer side of the inner wall of the pipe has slower flow speed due to the action of friction resistance of the pipe, and the flow speed is faster because no resistance exists at the axis, but a plurality of flow blocking blocks 6 are distributed at intervals at the axis of the oil pipe, the flow blocking blocks 6 can make fluid at the axis generate resistance and slow the flow speed, the flow passing areas of all parts of the pipe are the same, and the flow speed at the axis is slowed down under the condition that the total flow is not changed, so that the flow speed at the inner wall is certainly accelerated, and the flow speed difference between the axis and the inner wall is balanced to a great extent; the flow velocity of the heat conduction oil at the inner wall is accelerated, so that the carbon deposition is more difficult to deposit on the inner wall of the heat conduction oil pipe, the formation speed of the carbon deposition on the inner wall of the oil pipe is greatly reduced, and the effective working time of the heat conduction oil pipe is prolonged; on the other hand, the flow speed at the axis is reduced, the flow speed at the inner wall is increased, the flow of the outer layer is increased, and the flow of the inner layer is reduced, so that more heat conduction oil directly participates in heat exchange with the pipe wall, and the heat efficiency of the heat conduction oil pipe is effectively improved.
The oil sludge deposited at the U-shaped joint 3 can slide into the inclined tube 14 from a flushing blind area at the downstream side of the tube opening of the inclined tube 14, the conduction oil pushes the helical blade 18 to rotate through the second hydraulic blade 17, the oil sludge in the inclined tube 14 is pushed to the outer end of the inclined tube 14, and the end cover 15 at the outer end of the inclined tube 14 is opened periodically to clean.
When 2 inner walls carbon deposits of one section pipe shaft before a certain pipe coupling 1 are more, the area of overflowing of this department reduces, the velocity of flow can accelerate, the conduction oil increases to the impact force of the choked flow piece 6 in this pipe coupling 1, consequently this choked flow piece 6 can compress first spring 7 and remove to the big end direction, choked flow piece 6 removes the plunger 9 that promotes 8 inner ends in the liquid pipe, the plunger 9 of inner passes through the plunger 9 that hydraulic oil promoted 8 outer ends in the liquid pipe, the plunger 9 of outer end makes the second spring 12 compress and be close to the switch 11 of alarm 10, when plunger 9 pushes down switch 11, alarm 10 reports to the police, remind and clear up this section pipe shaft 2 and joint.
According to the invention, the flow blocking blocks 6 are arranged at the axis of the pipeline at equal intervals, so that the resistance at the axis of the pipeline is increased, the flow velocity of the inner layer of the pipeline is reduced, the flow velocity of the outer layer of the pipeline is increased, on one hand, the speed of carbon deposition formation on the inner wall of the pipeline can be reduced, on the other hand, the flow of the outer layer is increased, more heat conduction oil directly exchanges heat with the inner wall of the pipeline, the one-way heat exchange quantity of the heat conduction oil is effectively improved, and the heat exchange efficiency of the heat conduction oil pipe is effectively improved; in addition, the inclined pipe 14 is reasonably arranged at the U-shaped joint 3 and the flushing blind area is formed by the arc-shaped baffle 19, so that the oil sludge at the U-shaped joint 3 is collected in the inclined pipe 14 in a centralized manner, the pipeline is prevented from forming local blockage at the corner, and the collected oil sludge is convenient to clean.
Claims (7)
1. A high-efficiency boiler heat-conducting oil pipeline is characterized by comprising a plurality of pipe joints (1), a plurality of sections of pipe bodies (2) and a plurality of U-shaped joints (3), wherein the pipe joints (1) are short pipes, the pipe bodies (2) are long pipes, the pipe joints (1) and the pipe bodies (2) are alternately arranged along an axis and connected, and the U-shaped joints (3) are arranged at the turning positions of the pipeline, so that heat-conducting oil pipes which are arranged in an S shape are formed, and the pipe joints (1) are arranged on the heat-conducting oil pipes at equal intervals; a cross rod (4) vertical to the axis is fixed in the pipe joint (1), a vertical rod (5) coincident with the axis is fixed on the cross rod (4), a flow blocking block (6) penetrates through the vertical rod (5), the flow blocking block (6) can slide along the axial direction of the vertical rod (5), the flow blocking block (6) is conical, the small end of the flow blocking block faces the upstream direction of the heat conducting oil pipe, the pipe diameter of the pipe joint (1) at the position of the flow blocking block (6) is enlarged, the flow area at the position of the flow blocking block (6) is the same as that of the rest parts of the pipeline, a first spring (7) is installed between the large end of the flow blocking block (6) and the cross rod (4), a liquid pipe (8) is spirally installed on the side wall of the pipe joint (1) through threads, one end of the liquid pipe (8) extends into the pipe joint (1), one end of the liquid pipe extends out of the pipe joint (1), two plungers (9) are respectively installed at two ends of the liquid pipe (8), hydraulic oil is equipped with between two plungers (9), and pipe joint (1) is equipped with outward one alarm (10), and the outer tip in liquid pipe (8) is installed in switch (11) of alarm (10), installs second spring (12) between plunger (9) of liquid pipe (8) outer end and liquid pipe (8) tip, and plunger (9) of liquid pipe (8) inner stretches out liquid pipe (8) and contacts with the main aspects of choked flow piece (6).
2. The high-efficiency boiler heat-conducting oil pipeline according to claim 1, characterized in that a plurality of inclined channels (13) are formed in the flow-blocking block (6), one end of each channel (13) is located on the side wall of the flow-blocking block (6), and the other end is located at the large end of the flow-blocking block (6).
3. The high-efficiency boiler heat-conducting oil pipeline as claimed in claim 1, characterized in that an inclined pipe (14) is installed in the middle of the outer side of the U-shaped joint (3), the inner end of the inclined pipe (14) is communicated with the inside of the U-shaped pipe, the pipe orifice of the end of the inclined pipe (14) faces the downstream direction, and an end cover (15) is screwed on the outer end of the inclined pipe (14).
4. A high efficiency boiler heat transfer oil pipe according to claim 3, characterized in that a rotating shaft (16) is installed in the inclined tube (14), one end of the rotating shaft (16) extends into the U-shaped tube and the end is installed with a hydraulic vane (17), and the rotating shaft (16) is installed with a helical vane (18).
5. A high efficiency boiler heat transfer oil pipe as claimed in claim 3, wherein an arc-shaped baffle plate (19) is installed on the upstream side of the inner port of the inclined tube (14), and the baffle plate (19) is spaced from the downstream side of the nozzle of the inclined tube (14).
6. The high-efficiency boiler heat-conducting oil pipeline as claimed in claim 1, wherein the pipe body (2) is connected with the pipe joint (1) and the U-shaped joint (3) through flanges.
7. The high-efficiency boiler heat-conducting oil pipeline as claimed in claim 1, wherein two end faces of each pipe body (2) are respectively provided with an annular groove (20), the section of each annular groove (20) is V-shaped, a sealing ring (21) with the V-shaped section is arranged in each annular groove (20), and two ends of each pipe joint (1) and two ends of each U-shaped joint (3) are respectively provided with an annular bulge (22) matched with the annular grooves (20).
Priority Applications (1)
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CN202110719282.0A CN113418300B (en) | 2021-06-28 | 2021-06-28 | High efficiency boiler heat conduction oil pipeline |
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CN202110719282.0A CN113418300B (en) | 2021-06-28 | 2021-06-28 | High efficiency boiler heat conduction oil pipeline |
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CN113418300A true CN113418300A (en) | 2021-09-21 |
CN113418300B CN113418300B (en) | 2023-12-05 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113340000A (en) * | 2021-06-28 | 2021-09-03 | 栾东存 | Organic heat carrier boiler heat conduction oil pipe capable of reducing carbon deposition |
CN114130078A (en) * | 2021-11-29 | 2022-03-04 | 保定味美康食品配料有限公司 | Device and production process for hydrolyzing vegetable protein seasoning liquid |
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CN202915560U (en) * | 2011-07-25 | 2013-05-01 | 杨泰和 | Closed path type temperature uniformizing device |
US20160310998A1 (en) * | 2015-04-21 | 2016-10-27 | Tdw Delaware, Inc. | Pipeline Pig With Hydraulically Balanced Collapsible Sealing Elements |
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CN209445594U (en) * | 2019-01-08 | 2019-09-27 | 南通恒润新材料科技有限公司 | A kind of finish heat cycles device |
CN111322776A (en) * | 2020-01-03 | 2020-06-23 | 天津大学 | Coaxial combined sleeve type heat exchanger |
CN112411728A (en) * | 2020-11-26 | 2021-02-26 | 杨辉云 | Sewage pipeline junction inner wall cleaning device with environmental protection function |
CN113340000A (en) * | 2021-06-28 | 2021-09-03 | 栾东存 | Organic heat carrier boiler heat conduction oil pipe capable of reducing carbon deposition |
-
2021
- 2021-06-28 CN CN202110719282.0A patent/CN113418300B/en active Active
Patent Citations (8)
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JPH10252715A (en) * | 1997-03-17 | 1998-09-22 | Shunan Chiiki Jiba Sangyo Shinko Center | Fluid transporting pipe and fluid transporting method reducing fluid resistance |
CN202915560U (en) * | 2011-07-25 | 2013-05-01 | 杨泰和 | Closed path type temperature uniformizing device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113340000A (en) * | 2021-06-28 | 2021-09-03 | 栾东存 | Organic heat carrier boiler heat conduction oil pipe capable of reducing carbon deposition |
CN113340000B (en) * | 2021-06-28 | 2022-06-14 | 栾东存 | Organic heat carrier boiler heat conduction oil pipe capable of reducing carbon deposition |
CN114130078A (en) * | 2021-11-29 | 2022-03-04 | 保定味美康食品配料有限公司 | Device and production process for hydrolyzing vegetable protein seasoning liquid |
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Effective date of registration: 20231030 Address after: 438300 No.8 Tingzhou Avenue, Macheng Economic Development Zone, Huanggang City, Hubei Province Applicant after: Hubei Xicheng Food Technology Co.,Ltd. Address before: 450000 No.70, Jingnan 1st Road, Zhengzhou Economic and Technological Development Zone, Henan Province Applicant before: Luan Dongcun |
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