CN209259683U - Ammonolysis craft equipment - Google Patents
Ammonolysis craft equipment Download PDFInfo
- Publication number
- CN209259683U CN209259683U CN201821947991.4U CN201821947991U CN209259683U CN 209259683 U CN209259683 U CN 209259683U CN 201821947991 U CN201821947991 U CN 201821947991U CN 209259683 U CN209259683 U CN 209259683U
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- CN
- China
- Prior art keywords
- gasifying pot
- water
- pull rod
- ammonolysis craft
- craft equipment
- Prior art date
- 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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a kind of ammonolysis craft equipment, it is related to tubular object extruding equipment, aim to solve the problem that existing ammonolysis craft equipment, its decomposition efficiency is lower, the larger problem of energy consumption, its key points of the technical solution are that: including the vaporization mechanism for vaporizing liquefied ammonia and the dore furnace for decomposing ammonia, the vaporization mechanism includes gasifying pot and the heating device for heating to gasifying pot, the gasifying pot is communicated with cleaning pipeline and blow-off line, and internal setting scraper plate, the scraper plate agrees with the lumenal cross-section of gasifying pot, and side contacts at the inner wall of gasifying pot, pull rod is provided on the scraper plate, and multiple through-holes are opened up along thickness direction, the pull rod penetrates the wall surface of gasifying pot straight up, and in sliding connection.The ammonolysis craft equipment of the utility model, can be improved production and processing efficiency, and reduces energy consumption, saves production cost.
Description
Technical field
The utility model relates to tubular object extruding equipment, more specifically, it relates to a kind of ammonolysis craft equipment.
Background technique
In the process of copper tube, need to make annealing treatment it, and make annealing treatment generally can all be made using nitrogen
Protection gas is passed through annealing furnace.Existing nitrogen mostly obtains constituents by ammonolysis craft equipment by producer.
Existing most ammonolysis craft process energy consumption is relatively large, this is not just merely because reaction system needs to be maintained at 800
DEG C or so, also as a variety of disturbing factors affect ammonolysis craft efficiency, and such as: the gasification burner of ammonolysis craft is using a period of time
Internal afterwards to have the appearance of ammonia dirt, other than blocking pipeline reduces ammonia flow velocity, also interference is to liquefied ammonia heating, vaporization etc., therefore
Need to propose the new scheme of one kind to solve this problem.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of ammonolysis craft equipment, Ke Yiti
Height production and processing efficiency, and reduce energy consumption, save production cost.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of ammonolysis craft equipment,
Including the vaporization mechanism for vaporizing liquefied ammonia and the dore furnace for decomposing ammonia, the vaporization mechanism includes gasifying pot and use
In the heating device heated to gasifying pot, the gasifying pot is communicated with cleaning pipeline and blow-off line, and internal setting scraper plate, institute
The lumenal cross-section that scraper plate agrees with gasifying pot is stated, and side contacts at the inner wall of gasifying pot, pull rod is provided on the scraper plate, and
Multiple through-holes are opened up along thickness direction, the pull rod penetrates the wall surface of gasifying pot straight up, and in sliding connection.
By using above-mentioned technical proposal, in use for some time, user can be by cleaning pipeline to gasifying pot
Inside be passed through the cleaning liquid for removing ammonia dirt, and and scraper plate sliding up and down in gasifying pot is pulled by pull rod, to gasifying pot
Inner wall cleared up, avoid ammonia dirt influence gasifying pot heating effect and liquefied ammonia vaporization efficency, to improve whole production
Processing efficiency.
The utility model is further arranged to: pull rod being provided with limitation ring, the limit in the outer wall of the gasifying pot
Closure gasket groove is formed between ring and pull rod processed, the pull rod extends in outer one section and is arranged flexible sealing ring, described close
Seal ring sliding is connected to pull rod, and interference is connected in closure gasket groove.
By using above-mentioned technical proposal, pull rod and gasifying pot are because minim gap present in sliding is sealed subsequent
Ring cowling is lived, and sealing ring interference is stuck in closure gasket groove, it is possible to be effectively prevent ammonia leakage, be reinforced using effect.
The utility model is further arranged to: the upper surface of the sealing ring is provided with pull ring.
By using above-mentioned technical proposal, user can hold pull ring and sealing ring is pulled out closure gasket groove, to avoid drawing
Limitation is fitted closely by sealing ring when bar needs to move up and down and influences using effect.
The utility model is further arranged to: heat exchanger, the decomposition are equipped on the gas pipeline of the dore furnace
The admission line of furnace is connected to heat exchanger.
By using above-mentioned technical proposal, the high temperature output gas in gas pipeline can do heat with the lower ammonia of temperature
Preheating is realized in exchange, to reduce the required energy consumption of later period ammonia heating, saves production cost.
The utility model is further arranged to: the heating device includes water leg, is provided on the water leg into water
Pipeline and outlet conduit, the water in the gas pipeline and water leg of the dore furnace do heat exchange.
By using above-mentioned technical proposal, the high-temperature gas of dore furnace output can be also used for doing heat interaction with water leg,
I.e. for being heated to gasifying pot, so that the utility model, which need not still further consume energy, heats gasifying pot, so that whole energy consumption is smaller, make
It is lower with cost.
The utility model is further arranged to: the heating device further includes heat interaction cabinet, and the heat interaction cabinet connects
Pass through water inlet line and be provided with moisturizing pipeline, be provided with heat interaction pipeline in the heat interaction cabinet, the dore furnace it is defeated
Feed channel passes through heat interaction cabinet.
By using above-mentioned technical proposal, dore furnace output high-temperature gas enter heat interaction pipeline for and heat interaction case
Intracorporal water does heat interaction, why is not directly to heat to the water in water leg, is since it is desired that heat interaction cabinet is as slow
Punching, when avoiding heat interaction amount larger, directly impact gasifying pot causes dangerous.
The utility model is further arranged to: the heat interaction cabinet and water leg are separately provided for detecting internal temperature
The thermal detector of degree is provided with the first water pump on the water inlet line, valve, the moisturizing is respectively arranged on the outlet conduit
The second water pump is provided on pipeline.
By using above-mentioned technical proposal, user can be monitored the temperature in heat interaction cabinet and water leg,
And regulating and controlling temperature is realized by the first water pump of control, the second water pump, valve.
The utility model is further arranged to: the valve is electrically-controlled valve, and the valve and thermal detector are coupled with live control
Device processed, the field controller are respectively coupled to and control the first water pump and the second water pump, and the field controller includes PLC control
Device.
By using above-mentioned technical proposal, the utility model can be configured field controller, allow to basis
The first water pump of control, the second water pump of the testing result of thermal detector automatically or semi-automatically, to reinforce using effect.
In conclusion the utility model has the following beneficial effects:
1, the scraper plate for contradicting inner wall is provided in gasifying pot, scraper plate is connected with the pull rod extended in outside gasifying pot；Gasifying pot
Upper setting cleaning pipeline and blow-off line, so that after a period of use, user can be by cleaning pipeline into gasifying pot
It is passed through cleaning liquid, and holds pull rod and is cleared up to move scraper plate to vaporization top tank structure, and then ammonia dirt is avoided to influence gasifying pot heating
Effect and liquid ammonia vaporization effect guarantee production efficiency；
2, gasifying pot is connected with heating device, and heating device is connected to the gas transmission end of dore furnace, can use the high temperature of output
Gas does heat exchange, and the heat gasifying pot obtained with exchange with it, to reduce energy consumption, saves production cost.
Detailed description of the invention
Fig. 1 is the structure of block diagram of the utility model, mainly to Integral connection structure；
Fig. 2 is the overall structure diagram of the vaporization mechanism of the utility model；
Fig. 3 is the structural schematic diagram of the gasifying pot of the utility model, mainly to show the structure of sealing ring；
Fig. 4 is the scraper plate of the utility model and the structural schematic diagram of pull rod；
Fig. 5 is the structural schematic diagram of the heat interaction pipeline of the utility model；
Fig. 6 is the system block diagram of the utility model, mainly the control structure to display scene controller.
In figure: 1, gasifying pot；11, feed pipe；12, discharge pipe；13, pipeline is cleaned；14, blow-off line；15, it limits
Ring；2, heating device；21, water leg；210, intermediolateral column；211, water inlet line；212, outlet conduit；213, valve；214,
One water pump；22, heat interaction cabinet；221, moisturizing pipeline；222, the second water pump；3, dore furnace；4, scraper plate；41, pull rod；42, lead to
Hole；43, closure gasket groove；44, sealing ring；441, pull ring；5, field controller；51, thermal detector；52, flow controller；53, liquid
Position meter；6, heat interaction pipeline；7, heat exchanger.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
Ammonolysis craft equipment, referring to Fig.1, including for by the vaporization mechanism of liquid ammonia vaporization and the decomposition for being used to decompose ammonia
Furnace 3, wherein vaporization mechanism includes gasifying pot 1 and the heating device 2 for heating to gasifying pot 1.
1 inner hollow of gasifying pot, and form the feed pipe 11 and discharge pipe 12 for being connected to its inner cavity.Liquefied ammonia is from charging
Pipeline 11 enters in gasifying pot 1, and fast vaporizing is ammonia after heated device 2 heats, and is exported from discharge pipe 12.
The lower side of gasifying pot 1 is arranged in feed pipe 11, and the top of gasifying pot 1 is arranged in discharge pipe 12.Institute
In this way, the phenomenon that ammonia rises is allowed for, to guarantee to vaporize discharging speed.Decompression is installed on discharge pipe 12
Valve guarantees using effect to adjust to the pressure in gasifying pot 1, and pressure reducing valve is arranged by existing mounting means, is correspondingly connected with instrument
Dial plate etc..
Cleaning pipeline 13 in communication is welded on gasifying pot 1 in order to remove the dirt of the ammonia in gasifying pot 1 referring to Fig. 3
With blow-off line 14, wherein cleaning pipeline 13 is mounted on the top of gasifying pot 1, and blow-off line 14 is mounted on its bottom, so as to
It is passed through cleaning solution reinforcement if necessary, and reinforces cleaning effect.
Referring to Fig. 3 and Fig. 4, it is internally provided with scraper plate 4 in gasifying pot 1, scraper plate 4 agrees with the lumenal cross-section of gasifying pot 1,
And its side contacts at the inner wall of gasifying pot 1.It is welded with pull rod 41 straight up on scraper plate 4, pull rod 41 is upwardly extended and worn
The upper wall of saturating gasifying pot 1；Multiple through-holes 42 are offered along its thickness direction on scraper plate 4, to avoid interference ammonia circulation.
When needing to clear up ammonia dirt, user can hold the end that pull rod 41 extends gasifying pot 1, by its opposite vaporization
About 1 tank pulls, to drive scraper plate 4 to move up and down in gasifying pot 1, to assist cleaning liquid by the ammonia dirt on gasifying pot wall surface
It removes, guarantees that it heats vaporization effect.
Outer part is extended in around pull rod 41 and forms limitation ring 15 in the upper surface of gasifying pot 1 referring to Fig. 3.Limitation
Ring 15 and pull rod 41 are in center overlapping of axles, are formed with closure gasket groove 43 between the two；It is arranged on pull rod 41 and has slid sealing
Ring 44, sealing ring 44 are made of anti-ammonia (alkali resistance) rubber, and closure gasket groove 43 is in interference fit.
When nature, sealing ring 44 is caught in closure gasket groove 43, by its tight closure；When needing to clean ammonia dirt, make
User first takes out sealing ring 44 out of closure gasket groove 43.Why in this way, being because pull rod 41 is sliding with respect to gasifying pot 1
It moves, then there will necessarily be certain gap between the two, cause excessively to influence in order to which this gap will not circulate on ammonia, so setting
It sets sealing ring 44 and seals blocking to it.
For convenience of disassembly sealing ring 44, then end face forms pull ring 441 thereon, to use.
Referring to Fig. 2, heating device 2 includes the water leg 21 for heating to it, and water leg 21 is in hollow structure, inside
For filling water.
1 upright projection of gasifying pot is annular in shape；Water leg 21 is set on gasifying pot 1, and its underpart extends towards the middle, and
The intermediolateral column 210 for being formed with and agreeing with 1 inner annular space of gasifying pot is upwardly extended, 210 outer wall of intermediolateral column contacts at the inner ring of gasifying pot 1
Face.
Set cyclic annular for gasifying pot 1, and water leg 21 forms intermediolateral column 210, is for reinforcing to gasifying pot 1
Heating effect avoids the too low influence using effect of 1 middle portion temperature of gasifying pot.
Referring to Fig. 2, it is communicated with water inlet line 211 and outlet conduit 212 on water leg 21, wherein water inlet line 211 is connected to
There is heat interaction cabinet 22.Heat interaction cabinet 22 is in hollow cube structure, is communicated with moisturizing pipeline 221.
In order to reduce the energy consumption degree of ammonolysis craft equipment, is worn in heat interaction cabinet 22 and be fixed with heat interaction pipeline 6.Heat
Interaction pipeline 6(is shown in Fig. 5) it is distributed in heat interaction cabinet 22 in " S " shape, both ends each extend over out heat interaction cabinet 22,
And one end be connected to dore furnace 3(main reaction furnace) blowing mouth, the other end connection use gas annealing furnace or cooler, heat interaction pipeline
6 as dore furnace 3(are shown in Fig. 1) gas pipeline.
According to above-mentioned setting, the utility model can use the high-temperature gas (in furnace 800 DEG C) of ammonolysis craft equipment output, right
Water heating in heat interaction cabinet 22, and be used to hot water supply into water leg 21 in the later period heat gasifying pot 1.Because of this reality
It does not need actively to heat with novel gasifying pot 1, it is possible to reduce energy consumption, reduce production cost.
Referring to Fig.1, the temperature as needed for gasifying pot 1 is relatively low, and the lower air inlet of the temperature of dore furnace 3 needs
It first to heat up, so installing heat exchanger 7, the at this time gas pipeline (heat interaction of dore furnace 3 on the gas pipeline of dore furnace 3
Pipeline) it is first connected to heat exchanger 7, then passed through out of heat interaction cabinet 22.
According to above-mentioned setting, ammonia can be realized by heat exchanger 7 before entering dore furnace 3 and decomposing and be preheated, so that
Its is subsequent to reach assigned temperature in the reaction system and is decomposed faster, thus heating energy consumption when reducing decomposition.
Referring to Fig. 2, thermal detector 51 is mounted on water leg 21 and heat interaction cabinet 22, thermal detector 51 selects digital display defeated
Type sensor out, test side extend respectively into inside water leg 21 and heat interaction cabinet 22, and digital displaying meter is placed in outside, with
Just user is monitored the temperature of the two.
In order to reinforce the using effect of thermal detector 51, thermal detector 51 on water leg 21, test side is placed in outlet conduit
212 and water leg 21 link position side；And the thermal detector 51 on heat interaction cabinet 22, test side are placed in water inlet line
211 and heat interaction cabinet 22 link position side.
Referring to Fig. 2, the first water pump 214 is installed on water inlet line 211, one side guarantees the heat in heat interaction cabinet 22
Water can enter in water leg 21 if necessary, and on the other hand the relative position of water leg 21 and heat interaction cabinet 22 limits at this time
Less, scheme when whole equipment design is more diversified.
Valve 213 is installed on outlet conduit 212, to control whether to need as needed to drain.
Referring to Fig. 6, the utility model is controlled for convenience, the utility model further includes field controller 5.Valve
213 are set as electrically-controlled valve；Second water pump 222 is installed in moisturizing pipeline 221 simultaneously.
5 electric signal of field controller is connected to thermal detector 51, obtains the temperature detection value of thermal detector 51；Field controller 5
Also electric signal is connected to valve 213, the first water pump 214, the second water pump 222, so that subsequent corresponding output control signal carries out certainly
Dynamic/semi-automatic control.
Field controller 5 may be selected the PLC control cabinet of Siemens, staff's preset first temperature value range in PLC,
Temperature value needed for water leg 21 when first temperature range value is vaporization process.
Amount of makeup water is exported to heat interaction cabinet 22 in use, first passing through field controller 5 and controlling the second water pump 222, it
The gas that dore furnace 3 exports afterwards passes through from heat interaction pipeline 6, and carries out heat exchange in heat interaction cabinet 22 and heat to cold water.
Why heat interaction pipeline 6 is not set as directly passing through from water leg 21, is since it is desired that heat interaction cabinet 22 is used as one
A buffering avoids heat interaction amount from going beyond the scope and has little time to regulate and control and influence normal vaporization process when being worth, or causes danger.
With ammonolysis craft go out gaseous mixture gradually pass through from heat interaction pipeline 6, the temperature in heat interaction cabinet 22 gradually on
It rises.When temperature is increased to the first temperature range value, field controller 5 controls the second water pump 222 will be in heat interaction cabinet 22
Hot water is pumped into water leg 21, until the temperature that thermal detector 51 feeds back to field controller 5 in water leg 21 reaches the first temperature
Stop when value range.
It is subsequent, when the temperature that thermal detector 51 is fed back in water leg 21 reaches the first temperature range value, field control
Device 5 controls the first water pump 214 and closes；When temperature in water leg 21 is again below the first temperature range value, field controller 5
The first water pump of secondary control 214 works again, to keep the temperature in water leg 21 to handle the first temperature range value always, to reinforce vapour
Change effect.
To cooperate above-mentioned control, liquidometer 53,53 electricity of liquidometer are respectively arranged in water leg 21 and heat interaction cabinet 22
Signal is connected to field controller 5 and feeds back liquid level signal, so as in due course to the water in water leg 21 or heat interaction cabinet 22
Draining or moisturizing.
Since the temperature fall off rate of the relatively large gasification burner of part evaporating capacity is relatively fast, lead to water leg 21 at this time
Interior temperature can not be maintained at the first temperature range value within a certain period of time, so water leg 21 and heat interaction cabinet 22 are arranged
For continual communication, and the hot water interactive quantity of the two is adjustable, to enhance applicability.
In order to achieve the above objectives, make arranged below: valve 213 is set as flow control valve, the first water pump 214 and second
The flow controller 52 that water pump 222 distinguishes electric signal connection adaptation is used as flow control, and (water pump is using adjustable flow velocity in other words
Model), 52 electric signal of flow controller is connected to field controller 5, to carry out automatic/semi-automatic control.
Staff can be according to the cooling rate of water leg 21 at this time, and the first water pump 214 of corresponding control is pumped into flow,
And Open valve 213 is corresponded to according to the water for entering water leg 21 and is drained.Water in valve 213 can be recycled directly back to heat interaction
Cabinet 22, to save water resource.
Temperature in order to avoid certain moment, such as when ammonolysis craft equipment is just switched in water leg 21 is temporarily unable to reach
One temperature range value, installs ptc heater in water leg 21, is used as and actively heats, to reinforce using effect.Because selecting
It is PTC original part, so its is safer, and hot heat interaction effect is higher.
The factors such as heating expansion are considered simultaneously, and heat interaction cabinet 22 and water leg 21 are respectively mounted relief valve, to enhance safety
Property.
In conclusion the utility model ensure that vaporization efficency because the ammonia dirt in gasifying pot 1 can be cleared up effectively, and
Ammonia can be preheated, so the production efficiency of the utility model is effectively promoted；Simultaneously as output can be efficiently used
The waste heat of gas, so can reduce energy consumption, save the cost.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of ammonolysis craft equipment, the dore furnace (3) including the vaporization mechanism for vaporizing liquefied ammonia and for decomposing ammonia, institute
Stating vaporization mechanism includes gasifying pot (1) and the heating device (2) for heating to gasifying pot (1), it is characterised in that: the vaporization
Tank (1) is communicated with cleaning pipeline (13) and blow-off line (14), and internal setting scraper plate (4), the scraper plate (4) agree with gasifying pot
(1) lumenal cross-section, and side contacts at the inner wall of gasifying pot (1), is provided with pull rod (41) on the scraper plate (4), and edge
Thickness direction opens up multiple through-holes (42), and the pull rod (41) penetrates the wall surface of gasifying pot (1) straight up, and in sliding
Connection.
2. ammonolysis craft equipment according to claim 1, it is characterised in that: surround pull rod in the outer wall of the gasifying pot (1)
(41) it is provided with limitation ring (15), is formed with closure gasket groove (43), the pull rod between the limitation ring (15) and pull rod (41)
(41) outer one section is extended in be arranged flexible sealing ring (44), sealing ring (44) sliding is connected to pull rod (41), and
Interference is connected in closure gasket groove (43).
3. ammonolysis craft equipment according to claim 2, it is characterised in that: the upper surface of the sealing ring (44) is provided with drawing
Ring (441).
4. ammonolysis craft equipment according to claim 1, it is characterised in that: installed on the gas pipeline of the dore furnace (3)
Have heat exchanger (7), the admission line of the dore furnace (3) is connected to heat exchanger (7).
5. ammonolysis craft equipment according to claim 4, it is characterised in that: the heating device (2) includes water leg (21),
Water inlet line (211) and outlet conduit (212), the gas pipeline of the dore furnace (3) are provided on the water leg (21)
Heat exchange is done with the water in water leg (21).
6. ammonolysis craft equipment according to claim 5, it is characterised in that: the heating device (2) further includes heat interaction case
Body (22), the heat interaction cabinet (22) are connected to water inlet line (211) and are provided with moisturizing pipeline (221), the heat interaction
It is provided with heat interaction pipeline (6) in cabinet (22), the gas pipeline of the dore furnace (3) passes through heat interaction cabinet (22).
7. ammonolysis craft equipment according to claim 6, it is characterised in that: the heat interaction cabinet (22) and water leg (21)
It is separately provided for the thermal detector (51) of detection internal temperature, is provided with the first water pump on the water inlet line (211)
(214), it is respectively arranged with valve (213) on the outlet conduit (212), is provided with the second water on the moisturizing pipeline (221)
It pumps (222).
8. ammonolysis craft equipment according to claim 7, it is characterised in that: the valve (213) is electrically-controlled valve, the valve
(213) it is coupled with field controller (5) with thermal detector (51), the field controller (5) is respectively coupled to and controls the first water pump
(214) and the second water pump (222), the field controller (5) includes PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821947991.4U CN209259683U (en) | 2018-11-23 | 2018-11-23 | Ammonolysis craft equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821947991.4U CN209259683U (en) | 2018-11-23 | 2018-11-23 | Ammonolysis craft equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209259683U true CN209259683U (en) | 2019-08-16 |
Family
ID=67564210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821947991.4U Expired - Fee Related CN209259683U (en) | 2018-11-23 | 2018-11-23 | Ammonolysis craft equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209259683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110790221A (en) * | 2019-11-27 | 2020-02-14 | 清远南玻节能新材料有限公司 | Closed-loop control heating system of decomposing furnace |
-
2018
- 2018-11-23 CN CN201821947991.4U patent/CN209259683U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110790221A (en) * | 2019-11-27 | 2020-02-14 | 清远南玻节能新材料有限公司 | Closed-loop control heating system of decomposing furnace |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190816 Termination date: 20201123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |