CN207397583U - Glass transverse tube type coke oven gas primary-cooling actual training device - Google Patents
Glass transverse tube type coke oven gas primary-cooling actual training device Download PDFInfo
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- CN207397583U CN207397583U CN201720922876.0U CN201720922876U CN207397583U CN 207397583 U CN207397583 U CN 207397583U CN 201720922876 U CN201720922876 U CN 201720922876U CN 207397583 U CN207397583 U CN 207397583U
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Abstract
The utility model discloses a kind of glass transverse tube type coke oven gas primary-cooling actual training devices, it is related to technical field of coal chemical industry, the glass transverse tube type coke oven gas primary-cooling actual training device, including gas-liquid separator, first device for cooling, epimere condensation liquid bath, hypomere condensation liquid bath, electric fishing device, tar ammonia defecator, cyclic ammonia water medial launder, remained ammonia medial launder, remained ammonia slot, tar remover, tar separator, the tar centre device being made of clear material；Further include air blower；The just device for cooling includes three groups of transverse pipe initial coolers being connected in parallel；With disconnected tower tray in the transverse pipe initial cooler, primary cooler is divided into upper, middle and lower segment；The electric fishing device includes two groups of electrical tar precipitators being connected in parallel.The utility model can allow the hands-on of student scene, can directly observe device internal structure and Flow of Goods and Materials situation, make teaching, experiment more transparent and directly perceived, can play an important role to training student innovative thinking, designed capacity and manipulative ability.
Description
Technical field
The utility model is related to technical field of coal chemical industry, are filled more particularly to glass transverse tube type coke oven gas primary-cooling real training
It puts.
Background technology
The raw coke oven gas high temperature that coking enterprise comes out from coke oven（650~750℃）It is inflammable and explosive, 80 are cooled to by gas collecting tube ~
90 DEG C, then in horizontal water-tube primary cooler（Gas temperature is down to 20 ~ 22 DEG C）Carry out just cold process, this process closed operation, automation,
Serialization does not allow the hands-on of student scene, causes student that can not directly observe equipment inner structure and Flow of Goods and Materials, no
Teaching, real training and actual production can be combined well.
Utility model content
Existing student cannot live hands-on for the above-mentioned prior art, it is impossible to direct observation device internal structure
And Flow of Goods and Materials situation and teaching, real training and actual production the problem of cannot being combined well, the utility model provides a kind of
Glass transverse tube type coke oven gas primary-cooling actual training device.
In order to solve the above technical problems, technical solution adopted in the utility model is：
Glass transverse tube type coke oven gas primary-cooling actual training device, including gas-liquid separator, the first cold charge being made of clear material
It puts, epimere condensation liquid bath, hypomere condensation liquid bath, electric fishing device, tar ammonia defecator, cyclic ammonia water medial launder, remained ammonia
Medial launder, remained ammonia slot, tar remover, tar separator, tar centre device；Further include air blower；The just device for cooling bag
Include three groups of transverse pipe initial coolers being connected in parallel；With disconnected tower tray in the transverse pipe initial cooler, primary cooler is divided into upper, middle and lower three
Section；The electric fishing device includes two groups of electrical tar precipitators being connected in parallel；
The gas-liquid separator is connected respectively with transverse pipe initial cooler and tar ammonia defecator；On the transverse pipe initial cooler,
Stage casing bottom is connected with the entrance of epimere condensation liquid bath, and bottom gas outlet is connected with electrical tar precipitator bottom；The electric tar
The top of oily device is connected with air blower；The transverse pipe initial cooler bottom, electrical tar precipitator bottom, air blower with hypomere condensate liquid
The entrance connection of slot；The epimere condensation liquid bath is connected with hypomere condensation liquid bath；The outlet of hypomere condensation liquid bath respectively with horizontal stroke
Connection at the top of the top of pipe primary cooler and transverse pipe initial cooler hypomere；The outlet of epimere condensation liquid bath respectively with transverse pipe initial cooler
Epimere at the top of, connected with tar ammonia defecator at the top of stage casing；The tar ammonia defecator condenses liquid bath with hypomere respectively
Entrance, cyclic ammonia water medial launder is connected with tar separator；The outlet of the cyclic ammonia water medial launder respectively with remained ammonia
It is connected at the top of medial launder, electrical tar precipitator and at the top of transverse pipe initial cooler；The remained ammonia medial launder is connected with tar remover；Institute
Tar remover is stated to be connected with remained ammonia slot；The tar separator, tar remover are connected with device among tar.
Further, the transverse pipe initial cooler includes three sections of top-down remaining hot water section, recirculated water section and water at low temperature section
Cooling.
Further, on the transverse pipe initial cooler, stage casing bottom passes through the entrance that epimere water sealed tank condenses liquid bath with epimere
Connection.
Further, the transverse pipe initial cooler bottom is connected by hypomere water sealed tank with the entrance of hypomere condensation liquid bath.
Further, the electrical tar precipitator bottom is connected by electric fishing water sealed tank with the entrance of hypomere condensation liquid bath.
Further, the air blower is connected by air blower water sealed tank with the entrance of hypomere condensation liquid bath.
Further, epimere condensate pump is installed on the output channel of the epimere condensation liquid bath；The hypomere condensation
Hypomere condensate pump is installed on the output channel of liquid bath；Tar pump is installed on the output channel of the tar separator；Institute
It states and cyclic ammonia water pump is installed on the output channel of cyclic ammonia water medial launder.
Further, the cyclic ammonia water medial launder is connected with ammonium hydroxide accident slot；The output channel of the ammonium hydroxide accident slot
It is communicated with the output channel of cyclic ammonia water medial launder.
Further, the tar remover connection remained ammonia slot.
Further, the transverse pipe initial cooler is the assembly of makrolon and glass, other transparent units and pipe fitting, valve
Door uses clear hard borosilicate product.
It is using advantageous effect caused by above-mentioned technical proposal：The utility model glass transverse tube type coke oven gas primary-cooling
Actual training device, primary structure are made of clear material, and student can substitute raw coke oven gas with saturation hot-air, and institute is replaced with tap water
There is liquid material, carry out the blasting condensation workshop section of coke-oven plant（First cold, electric fishing, condensate liquid, recirculated water）Training operation, Xue Shengneng
It is enough directly to observe the internal structure of device and Flow of Goods and Materials situation；The utility model will impart knowledge to students, real training experiment and actual production very
Good combination makes teaching, experiment more transparent and directly perceived, can be with to training student innovative thinking, designed capacity and manipulative ability
It plays an important role.
Description of the drawings
Fig. 1 is the structure diagram of glass transverse tube type coke oven gas primary-cooling actual training device in the utility model embodiment；
In figure：1st, gas-liquid separator；2nd, transverse pipe initial cooler；3rd, epimere condensation liquid bath；31st, epimere water sealed tank；4th, hypomere is cold
Condensate tank；41st, hypomere water sealed tank；42nd, electric fishing water sealed tank；43rd, air blower water sealed tank；5th, electrical tar precipitator；6th, air blower；7th, it is burnt
Oily ammonium hydroxide defecator；8th, cyclic ammonia water medial launder；81st, remained ammonia medial launder；82nd, remained ammonia slot；9 tar removers；10th, it is burnt
Oil eliminator；Device among 11 tar.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, be one embodiment of the utility model glass transverse tube type coke oven gas primary-cooling actual training device, glass
Transverse tube type coke oven gas primary-cooling actual training device, including 1, three group of transverse pipe initial cooler 2 of gas-liquid separator for being made of clear material simultaneously
Join the first device for cooling being formed by connecting, epimere condensation liquid bath 3, hypomere condensation 4, two groups of electrical tar precipitators 5 of liquid bath to be connected in parallel
Electric fishing device, tar ammonia defecator 7, cyclic ammonia water medial launder 8, remained ammonia medial launder 81, remained ammonia slot 82, decoking
Oily device 9, tar separator 10, tar centre device 11；Further include air blower 6；It, will just with disconnected tower tray in the transverse pipe initial cooler
Cooler is divided into upper, middle and lower segment；
The gas-liquid separator 1 is connected respectively with transverse pipe initial cooler 2 and tar ammonia defecator 7；The transverse pipe initial cooler 2
Upper, stage casing bottom the entrance of liquid bath 3 is condensed with epimere by epimere water sealed tank 31 be connected, the bottom of transverse pipe initial cooler 2 with it is electric
Catch the 5 top connection of tar device；The top of the electrical tar precipitator 5 is connected with air blower 6；2 bottom of transverse pipe initial cooler passes through
Hypomere water sealed tank 41 is connected with the entrance of hypomere condensation liquid bath 4；5 bottom of electrical tar precipitator is by electric fishing water sealed tank 42 under
The entrance connection of Duan Lengning liquid baths 4；The entrance that the air blower 6 condenses liquid bath 4 by air blower water sealed tank 43 with hypomere is connected；
The epimere condensation liquid bath 3 is connected with hypomere condensation liquid bath 4, and the condensate liquid in hypomere condensation liquid bath 4 can flow into epimere condensation
Liquid bath 3；Hypomere condensation liquid bath 4 outlet by hypomere condensate pump respectively with the top of transverse pipe initial cooler 2 and transverse tube at the beginning of it is cold
Connection at the top of 2 hypomere of device；The outlet of the epimere condensation liquid bath 3 is upper with transverse pipe initial cooler 2 respectively by epimere condensate pump
Section middle part and tar ammonia defecator 7 connect；The tar ammonia defecator 7 condenses entrance, the cycle of liquid bath 4 with hypomere respectively
Ammonium hydroxide medial launder 8 is connected with tar separator 10；The outlet of the cyclic ammonia water medial launder 8 is pumped respectively by cyclic ammonia water with remaining
The 2 top connection of remaining ammonium hydroxide medial launder 81,5 top of electrical tar precipitator and transverse pipe initial cooler；The remained ammonia medial launder 81 is with removing
Tar device 9 connects；The tar remover 9 is connected with remained ammonia slot 82；The tar remover 9 is connected with device 11 among tar；
The tar separator 10 is pumped by tar and is connected with device 11 among tar.
The first device for cooling that three groups of transverse pipe initial coolers 2 are connected in parallel is the assembly of makrolon and glass；Gas-liquid point
Electric fishing device, the tar being connected in parallel from device 1, epimere condensation liquid bath 3, hypomere condensation 4, two groups of electrical tar precipitators 5 of liquid bath
Ammonium hydroxide defecator 7, cyclic ammonia water medial launder 8, remained ammonia medial launder 81, remained ammonia slot 82, tar remover 9, tar separation
Device 11 is made of clear hard borosilicate among device 10, tar.
Embodiment 1
Preliminary cooling：
Raw coke oven gas from coke oven~82 DEG C inhales gas piping to gas-liquid separator 1, gas-liquid separation with tar and ammonium hydroxide edge
Raw coke oven gas is come out by top afterwards, into the transverse pipe initial cooler 2 of 3 parallel operations, divides three-stage cooling.60 DEG C of waste heats of remaining hot water section
Water（During winter, part of waste heat water is sent to heating user, replaces remaining hot water with recirculated water during summer）, recirculated water section with 32 DEG C cycle
Coal gas is cooled to 20 ~ 22 DEG C by water, water at low temperature section with 16 DEG C of water at low temperature, the coal gas discharged by transverse pipe initial cooler lower part, into 2
The electrical tar precipitator 5 of parallel operation removes the tar carried secretly in coal gas, then by 6 force feed of gas-blowing engine to desulfurization workshop section.
In order to ensure 2 cooling effect of transverse pipe initial cooler, with disconnected tower tray in transverse pipe initial cooler 2, transverse pipe initial cooler 2 is divided it is
Upper, middle and lower segment, the continuous sprinkling tar of section, ammonia water mixture in upper, middle and lower（Use substitute materials）, with hot ammonium hydroxide at the top of it
It irregularly rinses, to remove the impurity such as the tar on tube wall, naphthalene；Upper, stage casing discharge condensate liquid flows into epimere condensation liquid bath 3,
Condensate liquid is sent on transverse pipe initial cooler 2 with pump, stage casing top spray, redundance flows automatically to tar ammonia defecator；Transverse tube
The condensate liquid of 2 hypomere of primary cooler discharge flows into hypomere condensation liquid bath 4 through hypomere water sealed tank, will with pump after adding a certain amount of tar
It is sent into primary cooler hypomere top spray, and redundance flows into epimere condensation liquid bath 3.
The reset procedure of gas coke mist of oil：
After coal gas is come out by 2 lower part of transverse pipe initial cooler, into cellular electrical tar precipitator 5, by the tar fog in coal gas
It is removed to≤50mg/m3, centrifugal gas-blowing engine 6 is entered back into, next procedure is sent to after the pressurization of air blower 6.
Tar ammonia separates：
The tar and ammonium hydroxide separated by gas-liquid separator 1 initially enters tar ammonia defecator 7, carries out ammonia herein
The separation of water, tar and tar slag.The ammonium hydroxide on top flows into cyclic ammonia water medial launder 8, then is pumped to coke oven collection by cyclic ammonia water
Tracheae cycle sprinkling cooling coal gas, remained ammonia are sent into tar remover, from flowing into remained ammonia slot 82 after tar removing, then with remaining
Ammonium hydroxide is pumped to remained ammonia ammonia steaming device；The tar of 7 lower part of tar ammonia defecator flows into tar separator 10 by static pressure, into
One step is sent with tar pumping to device 11 among tar after removing the tar slag in tar removing, then is sent to tar storage tank；Tar ammonia is clear
Clear slot 7 and the tar slag of 10 bottom of tar separator sedimentation drain into the tar slag car, the tar slag of ultracentrifuge discharge is scraped to coke
Dregs of fat vehicle is periodically sent to coal yard, mixes in coking coal；Each storage tank dispersing gas is discharged into big after exhaust washing column distilled ammonia wastewater is cleaned
Gas.
The utility model glass transverse tube type coke oven gas primary-cooling actual training device is mainly cooled to including raw coke oven gas by 80 ~ 90 DEG C
The separation process of 20 ~ 22 DEG C of preliminary cooling, tar ammonia tar slag, the reset procedure of gas coke mist of oil, centre has
First cold, electric fishing, the condensate liquids such as water seal, storage tank, metering, condensation, sampling analysis, temperature control, flow control, pressure control follow
Ring water conservancy project position or operating point.The content of courses that the covering device is covered is related to Principles of Chemical Engineering, separation engineering etc., belong to type of production,
Design mode, comprehensive actual training device, can play an important role to training student innovative thinking, designed capacity and manipulative ability.
Meanwhile the covering device can promote heat transfer technology, separation process and control technology and sampling in Chemical Engineering and Technology subject
The development in the courses field such as product analysis and process instrument control.Both it can be provided for the implementation of course teaching plan and put into practice hand
Section, and the direction of development for industries, universities and research institutors' construction of base can be provided and provide certain side to teachers ' scientific research ability
It helps.The covering device high degree of automation, it is technologically advanced, important function is played really to the culture of student ability.And may be used also
To improve run a school strength and Professional Characteristics, make teaching, experiment more transparent and direct.
Student can be replaced all liq material with tap water, carried out burnt with 80 ~ 90 DEG C of replacement raw coke oven gas of saturation hot-air
Change the blasting condensation workshop section of factory（First cold, electric fishing, condensate liquid, recirculated water）Training operation, can be by these real trainings middle school student
Normal driving and parking operation is carried out according to operating instruction, abnormal phenomenon processing, instrument is manual, and auto-changeover control is adjusted, technological parameter
Alarm and training is released, timing sampling, mass balance, heat balance surveys and draws device and practice of drawing.Understand student
The properity and feature of transverse pipe initial cooler 2.Grasp the measure and calculation method of 2 cooling efficiency of transverse pipe initial cooler.At the beginning of grasping transverse tube
The basic operation method of cooler 2, process conditions and analysis testing conditions, detection method, the various operation factors of Correct Analysis, analysis
Detect influence of the data to gas primary cool effect.Understand the adjusting processing method of processing and the general production accident of abnormal phenomenon,
Collecting and distributing control（DCS system）Basic knowledge, practice chemical engineering drawing basic training.
After adopting the above technical scheme, the utility model makes teaching, experiment more transparent and direct, training student is innovated
Thinking, designed capacity and manipulative ability can play an important role.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of glass transverse tube type coke oven gas primary-cooling actual training device, which is characterized in that including the gas-liquid being made of clear material
In separator, first device for cooling, epimere condensation liquid bath, hypomere condensation liquid bath, electric fishing device, tar ammonia defecator, cyclic ammonia water
Between slot, remained ammonia medial launder, remained ammonia slot, tar remover, tar separator, device among tar；Further include air blower；Institute
Stating first device for cooling includes three groups of transverse pipe initial coolers being connected in parallel；With disconnected tower tray in the transverse pipe initial cooler, by primary cooler point
For upper, middle and lower segment；The electric fishing device includes two groups of electrical tar precipitators being connected in parallel；
The gas-liquid separator is connected respectively with transverse pipe initial cooler and tar ammonia defecator；On the transverse pipe initial cooler, stage casing
Bottom is connected with the entrance of epimere condensation liquid bath, and bottom gas outlet is connected with electrical tar precipitator bottom；The electrical tar precipitator
Top be connected with air blower；The transverse pipe initial cooler bottom, electrical tar precipitator bottom, air blower condense liquid bath with hypomere
Entrance connects；The epimere condensation liquid bath is connected with hypomere condensation liquid bath；The outlet of hypomere condensation liquid bath respectively with transverse tube at the beginning of
Connection at the top of the top of cooler and transverse pipe initial cooler hypomere；The outlet of the epimere condensation liquid bath is upper with transverse pipe initial cooler respectively
It is connected at the top of section top, stage casing with tar ammonia defecator；The tar ammonia defecator condenses entering for liquid bath with hypomere respectively
Mouth, cyclic ammonia water medial launder are connected with tar separator；The outlet of the cyclic ammonia water medial launder respectively among remained ammonia
It is connected at the top of slot, electrical tar precipitator and at the top of transverse pipe initial cooler；The remained ammonia medial launder is connected with tar remover；It is described to remove
Tar device is connected with remained ammonia slot；The tar separator, tar remover are connected with device among tar.
2. glass transverse tube type coke oven gas primary-cooling actual training device according to claim 1, which is characterized in that at the beginning of the transverse tube
Cooler includes top-down remaining hot water section, recirculated water section and water at low temperature section three-stage cooling；Wherein, coal gas is circulated between pipe, cold
But current are passed through in pipe.
3. glass transverse tube type coke oven gas primary-cooling actual training device according to claim 1, which is characterized in that at the beginning of the transverse tube
On cooler, stage casing bottom condensed the entrance of liquid bath by epimere water sealed tank and epimere and is connected.
4. glass transverse tube type coke oven gas primary-cooling actual training device according to claim 1, which is characterized in that at the beginning of the transverse tube
The entrance that cooler bottom condenses liquid bath by hypomere water sealed tank with hypomere is connected.
5. glass transverse tube type coke oven gas primary-cooling actual training device according to claim 1, which is characterized in that the electric tar
The entrance that oily device bottom condenses liquid bath by electric fishing water sealed tank with hypomere is connected.
6. glass transverse tube type coke oven gas primary-cooling actual training device according to claim 1, which is characterized in that the air blower
The entrance for condensing liquid bath with hypomere by air blower water sealed tank is connected.
7. glass transverse tube type coke oven gas primary-cooling actual training device according to claim 1, which is characterized in that the epimere is cold
Epimere condensate pump is installed on the output channel of condensate tank；It is cold that hypomere is installed on the output channel of the hypomere condensation liquid bath
Lime set pumps；Tar pump is installed on the output channel of the tar separator；On the output channel of the cyclic ammonia water medial launder
Cyclic ammonia water pump is installed.
8. glass transverse tube type coke oven gas primary-cooling actual training device according to claim 1, which is characterized in that the cycling ammonia
Water medial launder is connected with ammonium hydroxide accident slot；The output channel of the ammonium hydroxide accident slot and the output channel phase of cyclic ammonia water medial launder
It is logical.
9. glass transverse tube type coke oven gas primary-cooling actual training device according to claim 1, which is characterized in that at the beginning of the transverse tube
Cooler is the assembly of makrolon and glass, other transparent units and pipe fitting, and valve uses clear hard borosilicate system
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720922876.0U CN207397583U (en) | 2017-07-27 | 2017-07-27 | Glass transverse tube type coke oven gas primary-cooling actual training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720922876.0U CN207397583U (en) | 2017-07-27 | 2017-07-27 | Glass transverse tube type coke oven gas primary-cooling actual training device |
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| Publication Number | Publication Date |
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| CN207397583U true CN207397583U (en) | 2018-05-22 |
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ID=62417746
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720922876.0U Active CN207397583U (en) | 2017-07-27 | 2017-07-27 | Glass transverse tube type coke oven gas primary-cooling actual training device |
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| CN (1) | CN207397583U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021128901A1 (en) * | 2019-12-23 | 2021-07-01 | 中冶焦耐(大连)工程技术有限公司 | Primary cooling process and device utilizing circulating ammonia water refrigeration |
| CN114317039A (en) * | 2022-01-05 | 2022-04-12 | 新疆八一钢铁股份有限公司 | Condensate oil supplementing method for coking horizontal pipe primary cooler |
-
2017
- 2017-07-27 CN CN201720922876.0U patent/CN207397583U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021128901A1 (en) * | 2019-12-23 | 2021-07-01 | 中冶焦耐(大连)工程技术有限公司 | Primary cooling process and device utilizing circulating ammonia water refrigeration |
| CN114317039A (en) * | 2022-01-05 | 2022-04-12 | 新疆八一钢铁股份有限公司 | Condensate oil supplementing method for coking horizontal pipe primary cooler |
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Assignee: Baoding Jiashun Engineering Management Co.,Ltd. Assignor: HEBEI College OF INDUSTRY AND TECHNOLOGY Contract record no.: X2023980031727 Denomination of utility model: Glass horizontal tube type coke oven gas primary cooling training device Granted publication date: 20180522 License type: Common License Record date: 20230202 |
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Assignee: Hebei Liangcheng Lidu Environmental Technology Co.,Ltd. Assignor: HEBEI College OF INDUSTRY AND TECHNOLOGY Contract record no.: X2023980031889 Denomination of utility model: Glass horizontal tube type coke oven gas primary cooling training device Granted publication date: 20180522 License type: Common License Record date: 20230207 Assignee: Baoding Luming Home Furnishing Co.,Ltd. Assignor: HEBEI College OF INDUSTRY AND TECHNOLOGY Contract record no.: X2023980031888 Denomination of utility model: Glass horizontal tube type coke oven gas primary cooling training device Granted publication date: 20180522 License type: Common License Record date: 20230207 Assignee: Hebei Sanliuling Energy Technology Co.,Ltd. Assignor: HEBEI College OF INDUSTRY AND TECHNOLOGY Contract record no.: X2023980031892 Denomination of utility model: Glass horizontal tube type coke oven gas primary cooling training device Granted publication date: 20180522 License type: Common License Record date: 20230207 Assignee: Baoding Ronglian Real Estate Development Co.,Ltd. Assignor: HEBEI College OF INDUSTRY AND TECHNOLOGY Contract record no.: X2023980031903 Denomination of utility model: Glass horizontal tube type coke oven gas primary cooling training device Granted publication date: 20180522 License type: Common License Record date: 20230207 Assignee: Baoding Qianpu Electronic Technology Co.,Ltd. Assignor: HEBEI College OF INDUSTRY AND TECHNOLOGY Contract record no.: X2023980031890 Denomination of utility model: Glass horizontal tube type coke oven gas primary cooling training device Granted publication date: 20180522 License type: Common License Record date: 20230207 |
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Assignee: Hebei Mirun Construction Engineering Co.,Ltd. Assignor: HEBEI College OF INDUSTRY AND TECHNOLOGY Contract record no.: X2023980032031 Denomination of utility model: Glass horizontal tube type coke oven gas primary cooling training device Granted publication date: 20180522 License type: Common License Record date: 20230210 |
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Assignee: CSCEC Construction Project Management (Hebei) Co.,Ltd. Assignor: HEBEI College OF INDUSTRY AND TECHNOLOGY Contract record no.: X2023980032843 Denomination of utility model: Glass horizontal tube type coke oven gas primary cooling training device Granted publication date: 20180522 License type: Common License Record date: 20230224 Assignee: Hebei Huadian Congenerative Power Technology Co.,Ltd. Assignor: HEBEI College OF INDUSTRY AND TECHNOLOGY Contract record no.: X2023980032849 Denomination of utility model: Glass horizontal tube type coke oven gas primary cooling training device Granted publication date: 20180522 License type: Common License Record date: 20230224 |
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