CN102841190B - Pressure regulating device for pre-treating fuel gas - Google Patents
Pressure regulating device for pre-treating fuel gas Download PDFInfo
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- CN102841190B CN102841190B CN201210333943.7A CN201210333943A CN102841190B CN 102841190 B CN102841190 B CN 102841190B CN 201210333943 A CN201210333943 A CN 201210333943A CN 102841190 B CN102841190 B CN 102841190B
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Abstract
The invention provides a pressure regulating device for pre-treating fuel gas, belonging to the technical field of pressure regulating equipment. The pressure regulating device provided by the invention comprises an outer tank body, a suspension tank, a sleeve tube bracket, a sleeve inner tube, a sleeve outer tube, a water inlet tube, a gas inlet tube, a gas outlet tube, a gas outlet plug, a gas inlet plug, a fastener, a plug bracket, a water outlet, a discharging opening and a base, wherein flowing water is injected into the outer tank body; the suspension tank is reversely buckled above the water so as to form a gas chamber with the water surface; the gas inlet tube is inserted from the bottom of the outer tank body so as to extend into the suspension tank and input gas; the tube opening is downwards; the gas outlet tube is inserted from the bottom of the outer tank body so as to extend into the gas chamber and receive gas; and the tube opening is upwards. The pressure regulating device provided by the invention is easy to manufacture and maintain, has a simple structure, better pressure regulating and stabilizing effects, steady performance and gas washing effect; and the pressure regulating device is suitable for enterprises needing to measure gas calorific value under a condition that the room temperature is more than zero degree.
Description
Technical field
The invention belongs to voltage adjusting device technical field, be specifically related to a kind of for the pretreated regulator of combustion gas.
Background technology
The calorific value of combustion gas is the important indicator that judges combustion gas quality.Therefore be the target that combustion gas staff pursues always to the accurate measurement of fuel gases calorific value.Combustion-type caloric value instrument application heat balance principle is measured net heating value.In practical application, caloric value instrument accuracy in detection is subject to the impact of following factor: 1. according to the technical requirement of caloric value instrument, caloric value instrument burner noz(zle) admission pressure must be consistent with the blast of caloric value instrument itself, i.e. 400 Pa, pressure departs from this value, can make caloric value instrument testing result produce deviation, guarantee that testing result meets the requirement of caloric value instrument measuring accuracy 2%, admission pressure can not exceed (400 ± 8) Pa; 2. burner proposes certain requirement to inlet air conditions, and the quality of sample gas disposal effect will directly have influence on the success or failure of measurement of caloric value task; In practical application, because pretreatment system problem occurs that nozzle of air supply latch up phenomenon is more, need to safeguard especially.For factor one, in order to meet the pressure requirement of caloric value instrument, current common method is that gas pressure regulator, governor is set before fuel gas caloric value determination apparatus.Using maximum gas pressure regulator, governors is at present leather diaphragm type pressure regulator.Leather diaphragm type pressure regulator is to utilize the difference of turnover atmospheric pressure to cause epithelium to produce deformation, thereby the principle of adjusting charge flow rate regulates pressure, and its voltage regulation result, along with the aging of epithelium can reduce, causes the pressure transient of giving vent to anger.For factor two, the problem that in caloric value instrument pretreatment system, nozzle of air supply stops up.Its reason is among combustion gas, to contain a lot of impurity, stops up the main cause of ozzle and be the crystallization on nozzle wall with naphthalene of adhering to nozzle wall of tar in impurity.The solution now not had on the market for this problem, can only alleviate by cleaned at regular intervals the obstruction of nozzle at present.This is the deficiency of the combustion gas pretreatment system of current fuel gas caloric value determination apparatus.
Summary of the invention
The present invention is directed to that the voltage regulation result existing in existing combustion gas preconditioning technique is bad, the technical matters of spray nozzle clogging, provide a kind of simple in structure, be easy to manufacture, voltage-regulation voltage-stabilization effect is preferably for the pretreated regulator of combustion gas.
One provided by the present invention comprises outer tank body 5, suspension tank 14, casing support 3, sleeve pipe inner tube 1, sleeve pipe outer tube 2, water inlet pipe 16, draft tube 13, escape pipe 7, gas outlet stopper 6, air intake opening stopper 8, fixture 9, stopper support 12, water delivering orifice 17, discharge opening 10 and base 11 for the pretreated regulator of combustion gas; Described outer tank body 5 is connected with base 11 by fixture 9, and the bottom of outer tank body 5 is provided with discharge opening 10, is provided with water delivering orifice 17 at the sidewall of described outer tank body 5, and at described water delivering orifice, 17 places connect rising pipe; Described casing support 3 is connected with outer tank body top board 4, described outer tank body top board 4 is provided with pore 18, described sleeve pipe outer tube 2 is fixed on the top of outer tank body 5 by casing support 3, described sleeve pipe inner tube 1 is arranged in sleeve pipe outer tube 2, described sleeve pipe inner tube 1 is connected with suspension tank top board 15, under the constraint of sleeve pipe outer tube 2, described sleeve pipe inner tube 1 only can be moved by the vertical direction; The inside of described outer tank body 5 is marked with water, described suspension tank 14 back-offs and being suspended on the water surface, and described suspension tank 14 surrounds air chamber with the water surface; Described draft tube 13 is through the bottom of outer tank body 5, and draft tube 13 stretches into the inside of suspension tank 14 for inputting gas, is connected and is made the mouth of pipe of draft tube 13 downward by elbow, and the mouth of pipe of described draft tube 13 is positioned on the axis of outer tank body 5; Described water inlet pipe 16 is accessed by the bottom of outer tank body 5, and water inlet pipe 16 stretches into the inside of suspension tank 14 for inputting water; Described escape pipe 7 is accessed by the bottom of outer tank body 5, and escape pipe 7 stretches in the air chamber that described suspension tank 14 and the water surface surround for receiver gases, by elbow, the mouth of pipe of described escape pipe 7 is positioned on the axis of outer tank body 5, and the mouth of pipe of escape pipe 7 upwards; Described stopper support 12 is positioned at the bottom of suspension tank 14, on described stopper support 12, is fixed with air intake opening stopper 8, and the tip of described air intake opening stopper 8 is aimed at the mouth of pipe of described draft tube 13; Described gas outlet stopper 6 is fixed on the below, top of described suspension tank 14, and the tip of described gas outlet stopper 6 is aimed at the mouth of pipe of described escape pipe 7.
The principle of work of regulator of the present invention is: this regulator utilizes the gravity of water to regulate and obtains suitable pressure size; In the time that suction press increases, can cause that suspension tank rises, thereby increase the volume of air chamber, play buffering effect to going out uprushing of atmospheric pressure, and due to the rising of suspension tank, the stopper of draft tube below has ponding to draft tube, has reduced charge flow rate, hinder the further increase of pressure, played the effect of voltage stabilizing; In the time that suction press reduces, due to the effect of hydraulic pressure, draft tube is air inlet no longer, and suspension tank moves down, and under the effect of suspension tank weight, air chamber pressure still maintains a stable level, has played the effect of voltage stabilizing.
For realizing voltage regulation result, stationary operational phase air intake opening stopper and gas outlet stopper have certain distance with the draft tube mouth of pipe and the escape pipe mouth of pipe respectively, do not affect the air inflow of draft tube and the air output of escape pipe.In the time that the pressure of draft tube increases, suspension tank air chamber internal pressure increases thereupon, now suspension tank is owing to being subject to force unbalance to start to move upward, cushion the increase of pressure, driven in addition the motion of lower stopper, stopper moves to the air inlet that starts to hinder draft tube after certain position, has reduced charge flow rate, the pressure that has so more hindered air chamber in suspension tank increases, and has therefore stablized the admission pressure of caloric value instrument.In the situation that the present invention increases suddenly for suction press, the voltage regulation result of caloric value instrument is embodied.In the time that suction press reduces, suspension tank air chamber internal pressure reduces thereupon, and now suspension tank gravity is greater than air chamber internal pressure, so suspension tank moves downward, therefore still can maintain within a certain period of time the pressure of air chamber, and then maintain the admission pressure of caloric value instrument, play the effect of voltage stabilizing.
For realizing gas washing effect, outer tank base is connected to water inlet pipe, water inlet pipe stretches into the inside of suspension tank, water enters tank body by water inlet pipe, is flowed out by the water delivering orifice of outer tank body side surface, and therefore the flow direction of water is from top to bottom, and combustion gas is moved from bottom to top by draft tube, therefore water fully contacts with combustion gas, and it is higher that degree is washed in combustion gas, and the gas washing effect of voltage stabilizer is achieved like this.
The invention has the beneficial effects as follows: (1) reliability is high, the good and stable performance of voltage regulation result, the life-span is long; (2) structure is comparatively simple, is easy to manufacture, and easy to maintenance, cost is lower; (3) in voltage-regulation voltage-stabilization, can also wash away the impurity such as tar, naphthalene in combustion gas, effectively solve the blockage problem of tar to caloric value instrument.
Brief description of the drawings
Fig. 1: be regulator structural representation of the present invention.
In figure: 1: sleeve pipe inner tube; 2: sleeve pipe outer tube 2; 3: casing support; 4: outer tank body top board; 5: outer tank body; 6: gas outlet stopper; 7: escape pipe; 8: air intake opening stopper; 9: fixture; 10: discharge opening; 11: base; 12: stopper support; 13 draft tube; 14: suspension tank; 15: suspension tank top board; 16: water inlet pipe; 17: water delivering orifice; 18: pore.
Embodiment
One provided by the present invention comprises outer tank body 5, suspension tank 14, casing support 3, sleeve pipe inner tube 1, sleeve pipe outer tube 2, water inlet pipe 16, draft tube 13, escape pipe 7, gas outlet stopper 6, air intake opening stopper 8, fixture 9, stopper support 12, water delivering orifice 17, discharge opening 10, pore 18 and base 11 for the pretreated regulator of combustion gas.
Outer tank body 5 is cylinder cartridge type, is made up of resistance to oxidation metal material, and its thickness is 2-5mm, high 1700-1900mm, diameter of section is 400-600mm, outer tank body top board 4 for thickness be the resistance to oxidation sheet metal of 2 mm-5 mm, outer tank base is that thickness is the resistance to oxidation sheet metal of 5-10mm.Intensity need to meet the requirement of water body pressure in tank, as the optimal way of this technical scheme, described outer tank wall face adopts the curved circle of rectangular aluminum sheet that thickness is 3mm to make, and outer tank body top adopts flange to connect outer tank body top board 4, and outer tank body top board 4 adopts the aluminium sheet of 3mm or the corrosion resistant plate of 2mm.Outer tank body top board 4 is provided with several holes (such as 4 diameters circular hole that is 25 mm), wherein three as casing support 3 connecting holes with outer tank body top board 4, one is used for keeping air pressure and the ambient pressure balance between region that outer tank body and the water surface, suspension tank outside surround as pore 18.Outer tank base access draft tube, escape pipe, water inlet pipe, and have discharge opening; Outer tank body side surface is provided with water delivering orifice.
Described suspension tank 14 is cylinder cartridge type, made by resistance to oxidation metal, the high 1200-1600mm of suspension tank 14, diameter of section is 300-400mm, the aluminium flake that suspension tank top board 15 is 3-5mm for thickness, intensity need to meet the pressure requirement of air chamber in tank, and and its sleeve pipe inner tube of being directly connected to a fixed, stopper, the weight that the gross mass of the equipment such as stopper support and various links produces needs identical with the set pressure of air chamber in tank (if be 1000Pa such as requiring air chamber pressure, suspension tank internal diameter is 300mm, the requirement of suspension structure gross mass is 7.065 kg), mass deficiency can realize by counterweight.As the optimal way of this technical scheme, described suspension tank wall adopts the curved circle of aluminium sheet that thickness is 1mm to make, and suspension tank top adopts flange to connect suspension tank top board 15.Described flange can the criteria of right and wrong self-control aluminium flange joint, described material of roof plate can be with the corrosion resistant plate of the aluminium sheet of 3 mm or 2mm.Suspension tank and suspension tank have the quality of the equipment being directly connected and fixed to sum up about 5kg like this, now can make the gross mass of suspension tank and direct connection device thereof reach requirement by accurate counterweight (counterweight or other article).
Outer tank body 5 is connected on base 11 by fixture 9.Described fixture 9 is two standard flanges that nominal diameter is 40, and a slice is welded in outer tank body, and a slice is welded in base.The corrosion resistant plate that outer tank body base plate available thickness is 5mm is made.Assembling and the maintenance of tank base connecting water pipe and tracheae outside described base requirement will facilitate in tank body load outside meeting.
Outer tank body 5 bottoms are used the draft tube 13 that has been threaded, escape pipe 7 and water inlet pipe 16, and use raw material band, rubber washer etc. to carry out sealing.Draft tube 13 is connected and is made its mouth of pipe downward by elbow through outer tank base, the outer tank base 250-400mm of mouth of pipe distance of draft tube 13, and the mouth of pipe is positioned on the axis of outer tank body 4.Escape pipe 7, through the bottom of outer tank body 4, makes its mouth of pipe upwards by elbow, and the mouth of pipe of escape pipe 7 is positioned on the axis of outer tank body 4,1200-1300mm at the bottom of the outer tank body of mouth of pipe distance, and the mouth of pipe is positioned on outer tank body axis.Water inlet pipe 16 directly stretches into water filling in suspension tank 14, the outer tank base 600-1100mm of mouth of pipe distance of water inlet pipe 16.Outer tank body side surface has water delivering orifice 17, water outlet height value has determined water level height, and relevant with required adjusting pressure size, the bore of water delivering orifice 17 is 20-35 mm, the water outlet galvanized conduit nipple that is threaded, and use raw material band, rubber washer etc. to carry out sealing.
The present invention requires there is very little gap between sleeve pipe inner tube 1 and sleeve pipe outer tube 2, can limiting boot inner tube 1 rock and there is no a very large friction.As technique scheme optimal way, described sleeve pipe inner tube is used the KBG penetration pipe that nominal diameter is 20mm, sleeve pipe outer tube adopts the galvanized conduit that nominal diameter is 20.Sleeve pipe outer tube 2 adopts four-way piece to fix by casing support 3, as the optimal way of technique scheme, described casing support 3 uses galvanized conduit elbow used, nipple, coupling, galvanized conduit and four-way to assemble and forms, casing support 3 is connected with outer tank body top board 4 by screw thread, and uses metallic gasket to reinforce the connection.
Air intake opening stopper 8 is fixed on suspension tank 14 bottoms by stopper support 12, and stopper is made up of rubber, is cone and cylindrical assembly, circular cone height 40-60 mm, and bottom surface diameter is 20-30 mm, cylinder height 40-50 mm.Stopper support 12 uses aluminium flake to make, upwards bend and make by rectangle aluminium flake both sides, be fixed on suspension tank bottom, apart from suspension tank bottom 15-35mm, use in the middle of aluminium flake the length that is threaded be 48 mm, nominal diameter be the segment galvanized conduit of 25 mm as stopper cover, fixing stopper in stopper cover.Gas outlet stopper 6 is identical with air intake opening stopper 8 with its stopper used cover, and the stopper cover of gas outlet stopper 6 directly uses to be threaded and is connected in suspension tank top, and need to use raw material band, rubber washer etc. to strengthen the sealing of junction.
Described discharge opening 10 places adopt the tapping pipe that has been threaded, and use raw material band, rubber washer etc. to carry out sealing, and tapping pipe is connected with gate valve, and sealing is carried out in junction.
So that admission pressure is adjusted to 1000Pa as example from 10000Pa, the course of work of regulator of the present invention is as follows:
First close air inlet pipe valve, open the pipe valve of giving vent to anger, open into water pipe valve, outwards water-filling in tank body, in the time that the water surface rises to water delivering orifice 17 height, inflow and aquifer yield reach balance like this.Now open air inlet pipe valve, suspension tank air chamber internal gas pressure slowly raises like this, being increased to while being greater than 1000 Pa, suspension tank just moves upward because being subject to the pressure of gas, at this moment gas outlet stopper 6 leaves from the mouth of pipe of giving vent to anger, strengthen air output, maintained the stable of air chamber internal pressure, reached like this voltage regulation result that admission pressure is dropped to 1000 Pa from 10000 Pa.
In the time that suction press increases, suspension tank air chamber internal pressure increases, thereby drives suspension tank to rise, and this just increases suddenly to the pressure in air chamber the effect of having played buffering.And air intake opening stopper 8 also rises simultaneously, rise to certain distance and just the draft tube mouth of pipe has been produced to ponding, reduce like this air inflow, hinder the further increase of air chamber pressure, play the pressure stabilization function in pressure increase situation suddenly.
In the time that suction press reduces, due to the effect of hydraulic pressure, draft tube is air inlet no longer, and now in suspension tank, air chamber pressure can maintain air chamber pressure against the weight effect of suspension tank within a period of time always, has played the pressure stabilization function that pressure is reduced suddenly.
Because water delivering orifice 17 is positioned at outer tank body higher position place, it is very long that water inlet pipe 16 stretches into suspension tank inside, and therefore water (flow) direction is to be gone out to flow out by the suspension tank inner inlet pipe mouth of pipe, in suspension tank, flows from top to bottom, flowing out after suspension tank, reach water delivering orifice 17 from bottom to top from outer tank base and flow out.And draft tube 13 mouths of pipe are positioned at the bottom of suspension tank, the flow direction of combustion gas is from bottom to top, so just contrary with water (flow) direction, has therefore ensured combustion gas with the timely of water and has contacted fully, and in combustion gas, the impurity such as tar, naphthalene is taken away with current and flows out.Therefore this pressure regulator has good gas washing effect, has solved well the problem of tar, the obstruction of naphthalene impurity to fuel gas caloric value determination apparatus nozzle in combustion gas.
Claims (1)
1. for the pretreated regulator of combustion gas, it is characterized in that this regulator comprises outer tank body (5), suspension tank (14), casing support (3), sleeve pipe inner tube (1), sleeve pipe outer tube (2), water inlet pipe (16), draft tube (13), escape pipe (7), gas outlet stopper (6), air intake opening stopper (8), fixture (9), stopper support (12), water delivering orifice (17), discharge opening (10) and base (11); Described outer tank body (5) is connected with base (11) by fixture (9), and the bottom of described outer tank body (5) is provided with discharge opening (10), is provided with water delivering orifice (17) at the sidewall of described outer tank body (5), locates to connect rising pipe at described water delivering orifice (17); Described casing support (3) is connected with outer tank body top board (4), described outer tank body top board (4) is provided with pore (18), described sleeve pipe outer tube (2) is fixed on the top of outer tank body (5) by casing support (3), described sleeve pipe inner tube (1) is arranged in sleeve pipe outer tube (2), described sleeve pipe inner tube (1) is connected with suspension tank top board (15), under the constraint of described sleeve pipe outer tube (2), described sleeve pipe inner tube (1) only can be moved by the vertical direction; The inside of described outer tank body (5) is marked with water, described suspension tank (14) back-off and being suspended on the water surface, and described suspension tank (14) surrounds air chamber with the water surface; Described draft tube (13) is through the bottom of outer tank body (5), the inside that described draft tube (13) stretches into suspension tank (14) is used for inputting gas, connected and made the mouth of pipe of described draft tube (13) downward by elbow, the mouth of pipe of described draft tube (13) is positioned on the axis of outer tank body (5); Described water inlet pipe (16) is by the bottom access of outer tank body (5), and the inside that water inlet pipe (16) stretches into suspension tank (14) is used for inputting water; Described escape pipe (7) is by the bottom access of outer tank body (5), described escape pipe (7) stretches in the air chamber that described suspension tank (14) and the water surface surround for receiver gases, by elbow, the mouth of pipe of described escape pipe (7) is positioned on the axis of outer tank body (5), the mouth of pipe of described escape pipe (7) upwards; Described stopper support (12) is positioned at the bottom of suspension tank (14), is fixed with air intake opening stopper (8) on described stopper support (12), and the tip of described air intake opening stopper (8) is aimed at the mouth of pipe of described draft tube (13); Described gas outlet stopper (6) is fixed on the below, top of described suspension tank (14), and the tip of described gas outlet stopper (6) is aimed at the mouth of pipe of described escape pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210333943.7A CN102841190B (en) | 2012-09-11 | 2012-09-11 | Pressure regulating device for pre-treating fuel gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210333943.7A CN102841190B (en) | 2012-09-11 | 2012-09-11 | Pressure regulating device for pre-treating fuel gas |
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| Publication Number | Publication Date |
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| CN102841190A CN102841190A (en) | 2012-12-26 |
| CN102841190B true CN102841190B (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210333943.7A Active CN102841190B (en) | 2012-09-11 | 2012-09-11 | Pressure regulating device for pre-treating fuel gas |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2085010U (en) * | 1991-01-28 | 1991-09-18 | 重庆建筑工程学院 | Pressure reducing valve of compressed natural gas for automobiles using petrol and natural gas as fuel |
| CN2926719Y (en) * | 2006-06-07 | 2007-07-25 | 天津市罡世燃气科工贸发展有限公司 | Drum-type gas pressure adjuster |
| CN201412238Y (en) * | 2009-05-06 | 2010-02-24 | 杨福强 | Liquified petroleum gas filtering pressure-adjusting device used for vehicle |
| KR20100055576A (en) * | 2008-11-18 | 2010-05-27 | 화성방재(주) | Automatic pressure regulating valve |
| ES1074396U (en) * | 2011-02-09 | 2011-04-26 | Oscar Asiain Insa | Improved pressure regulator (Machine-translation by Google Translate, not legally binding) |
| CN201852730U (en) * | 2010-09-19 | 2011-06-01 | 鞍钢股份有限公司 | Pretreatment device of heat value instrument |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0921670A (en) * | 1995-07-05 | 1997-01-21 | Tokyo Gas Co Ltd | Pressure variation absorber in fluidic flow meter |
-
2012
- 2012-09-11 CN CN201210333943.7A patent/CN102841190B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2085010U (en) * | 1991-01-28 | 1991-09-18 | 重庆建筑工程学院 | Pressure reducing valve of compressed natural gas for automobiles using petrol and natural gas as fuel |
| CN2926719Y (en) * | 2006-06-07 | 2007-07-25 | 天津市罡世燃气科工贸发展有限公司 | Drum-type gas pressure adjuster |
| KR20100055576A (en) * | 2008-11-18 | 2010-05-27 | 화성방재(주) | Automatic pressure regulating valve |
| CN201412238Y (en) * | 2009-05-06 | 2010-02-24 | 杨福强 | Liquified petroleum gas filtering pressure-adjusting device used for vehicle |
| CN201852730U (en) * | 2010-09-19 | 2011-06-01 | 鞍钢股份有限公司 | Pretreatment device of heat value instrument |
| ES1074396U (en) * | 2011-02-09 | 2011-04-26 | Oscar Asiain Insa | Improved pressure regulator (Machine-translation by Google Translate, not legally binding) |
Non-Patent Citations (3)
| Title |
|---|
| JP特开平9-21670A 1997.01.21 |
| 工业炉燃气发热量及其测量;张继光等;《第七届全国工业炉学术年会论文集》;20060831;第334-338页 * |
| 张继光等.工业炉燃气发热量及其测量.《第七届全国工业炉学术年会论文集》.2006,第334-338. |
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Owner name: MA ANSHAN TIANZHOU ENERGY SAVING ENGINEERING TECHN Free format text: FORMER OWNER: ANHUI UNIVERSITY OF TECHNOLOGY Effective date: 20150428 |
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Effective date of registration: 20150428 Address after: 243000 Anhui Province Economic and Technological Development Zone Ma'anshan Hongqi Road No. 88 Branch Center in A408 Patentee after: Ma'anshan Tianzhou Energy-saving Engineering Technology Co.,Ltd. Address before: 243000 No. 59 East Lake Road, Anhui, Ma'anshan Patentee before: Anhui University of Technology |