CN204727605U - The hydrogen chloride synthesis device of by-product high-pressure steam - Google Patents
The hydrogen chloride synthesis device of by-product high-pressure steam Download PDFInfo
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- CN204727605U CN204727605U CN201520341399.XU CN201520341399U CN204727605U CN 204727605 U CN204727605 U CN 204727605U CN 201520341399 U CN201520341399 U CN 201520341399U CN 204727605 U CN204727605 U CN 204727605U
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- hydrogen chloride
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- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 229910000041 hydrogen chloride Inorganic materials 0.000 title claims abstract description 46
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 29
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 28
- 239000006227 byproduct Substances 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 53
- 239000010959 steel Substances 0.000 claims abstract description 53
- 238000001816 cooling Methods 0.000 claims abstract description 41
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 38
- 239000010439 graphite Substances 0.000 claims abstract description 38
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000007789 gas Substances 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 230000007704 transition Effects 0.000 claims abstract description 21
- 239000000498 cooling water Substances 0.000 claims description 17
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 6
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 4
- 239000007770 graphite material Substances 0.000 claims description 3
- 239000002826 coolant Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a kind of hydrogen chloride synthesis device of by-product high-pressure steam, synthetic furnace is by the graphite synthesis stage of furnace bottom, the steel steam generation section at middle part, the cooling section composition at transition section and top, steel steam generation section adopts steel pipe and band steel to interlock the wall welding and surround airtight cylindrical shape, the internal diameter of transition section adopts the gradual change type undergauge that undergauge ratio is from bottom to top 1:0.86 ~ 0.7, the top of moisture outlet UNICOM flash tank, flash tank connects internally piloted valve and steam outlet, the bottom of moisture ingress UNICOM flash tank.The utility model has the special construction of two levels of thermal exchange and transition section, significantly reduces the hydrogen chloride gas temperature in exit, and the hydrogen chloride gas produced may be used for making high purity hydrochloric acid, water coolant and hydrogenchloride good effect of heat exchange.
Description
Technical field
The utility model relates to a kind of synthesizer and synthesis technique thereof of hydrogenchloride.
Background technology
Hydrogenchloride generally adopts chlorine and hydrogen reaction to synthesize, and can discharge a large amount of reaction heat when chlorine and hydrogen synthesis.The recovery of these heats to energy-saving and emission-reduction, increasing economic efficiency has very important significance.Byproduct steam hydrogen chloride synthetic furnace is a kind of energy-conservation equipment heat of reaction being reclaimed byproduct water steam.At present, byproduct steam synthetic furnace evaporator section has graphite-made and steel two kinds of structures.Steel voltage endurance capability is strong, can by-product high-pressure steam, therefore receives general concern.But the synthetic furnace with graphite of domestic current use is not good enough at the heat exchange effect of high temperature transition section, and graphite member easily occurs explosive spalling, damage the continuous service of equipment unit, waste thermal source, impact production herein.
Number of patent application be 2009202335733 utility model disclose one and entirely reclaim heat energy type hydrogen chloride synthesis device, comprise synthetic furnace, synthetic furnace comprises synthetic combustion section, the water wall steam generation section of steel, the hydrogen chloride gas cooling section of graphite-made of graphite-made from bottom to top successively; Water wall steam generation section and drum connect to form steam generating system by pipeline, and hydrogen chloride gas cooling section and hot water tank, hot water pump connect to form hot water generation systems.The furnace binding of this utility model is fairly simple, and efficient heat transfer is not so good.
Number of patent application be 2011100754236 invention relate to a kind of heat dissipation structure of drum body of hydrogen chloride synthetic furnace, comprise graphite cylinder body and be located at the steel shell outside graphite cylinder body, be sandwich structure between described steel shell and graphite cylinder body, its innovative point is: described graphite tube body wall is provided with some vertical run distributed ringwise, and this vertical run is communicated with interlayer.The graphite cylinder body of this invention is good not as the mechanical property of the cylindrical shell of steel, high pressure resistant on the weak side with ability that is that expand with heat and contract with cold.
Number of patent application is the combined type hydrogen chloride synthetic furnace of the by-product high-pressure steam of 2014106301958, comprises the water cooler at synthetic furnace and top thereof; Described synthetic furnace is divided into upper, middle and lower segment, and epimere and hypomere are formed by graphite cylinder body and the steel shell be enclosed within outside cylindrical shell, and stage casing is steel shell, and this steel shell is sealed and matched ringwise by the steel prolong of some vertical directions and forms.This invention simultaneously also sets up flow-guiding structure at epimere and stage casing flange connections, and graphite heat exchange block lower surface arranges guide ring, avoids hydrochloric acid to spread and contacts with the steel shell of hypomere cylindrical shell further to the flange face of flange and corrode steel shell.The concrete data area that this invention this structure unexposed relates to, and with the processing parameter that production technique matches, do not have corresponding anticorrosion antidetonation process yet, can not production practice be directly used in.
Summary of the invention
Utility model object:
The utility model provides the hydrogen chloride synthesis device of the by-product high-pressure steam that a kind of thermal conversion efficiency is higher, work-ing life is longer, level of automation is higher.
Technical scheme:
The hydrogen chloride synthesis device of by-product high-pressure steam of the present utility model.Have synthetic furnace, flash tank, preheater, synthetic furnace is made up of (hydrogenchloride outlet position is in the below of cooling section) the cooling section at the steel steam generation section at the graphite synthesis stage of furnace bottom, middle part, transition section and top.Wherein, steel steam generation section adopts steel pipe (thick walled steel tube of preferred more than external diameter 60mm) and band steel to interlock to weld the wall surrounding airtight cylindrical shape (after welding completes, can at inner-wall spraying high-temperature resistant anti-corrosive corrosion material, the hydrogen chloride gas produced is made to may be used for making high purity hydrochloric acid), right cylinder inside is passed through for synthesis gas, pass through and to synthesis gas desuperheat and absorption reaction heat in the steel pipe of wall for steam.
Cooling section is made up of steel shell, middle graphite cylinder body and steel-made inner shell, the central axial bore hole that steel-made inner shell surrounds is for the hydrogen sulfide flowing of rising, the flowing of backward periphery is converged behind top, and then along the inner numerous descending flowing of axial gas passages of graphite cylinder body, the outlet of hydrogen chloride gas is in the bottom of cooling section.
Cooling water inlet is located at the bottom of cooling section or is located at graphite transition section, gap Cooling Water between steel shell and graphite cylinder body enters, there is in graphite cylinder body numerous radial water routes (interlock with axial gas passages, but be not connected), flow into the cooling-water flowing in radial water route to the gap arrived between graphite cylinder body and steel-made inner shell, finally converge on cooling section top, discharge (having cooling water outlet on cooling section top) from cooling water outlet, cooling water flow conduits is S-type distribution successively.This heat exchange structure can strengthen the contact area of hydrogen chloride gas and water coolant, improves heat transfer effect.After water coolant is discharged, through the cooling of water-cooling tower or interchanger, then the entrance of water coolant can be back to, realize the recycle of water resources.(the sectional area sum in all radial water routes and the cross-sectional area ratio of all axial gas passages are 1-3:1, and cooling performance now and the speed of producing of hydrogen sulfide have good matching).
Steel steam generation section connects the graphite synthesis stage of furnace bottom and the cooling section at top respectively by flange plate.
The bottom of steel steam generation section is provided with moisture ingress, and top is provided with moisture outlet.
The top of moisture outlet UNICOM flash tank, flash tank connects internally piloted valve and steam outlet.(moisture ingress preferentially can pass through preheater in the bottom of moisture ingress UNICOM flash tank, preheater can the steam of heated inlet a little, effectively promote the temperature of recirculated water, reduce the damage of long-term cold fluid and hot fluid change to synthetic furnace evaporation barrel), the bottom UNICOM water-supply pipe of flash tank opposite side.Blowdown drum is connected with, to discharge the waste water that circulation produces bottom flash tank.
Temperature sensor or flow sensor can also be preset at the moisture outlet place of steam generation section, effectively can measure the temperature and quantity that produce steam.Be connected with internally piloted valve at the steam outlet of flash tank, separately have self-con-tained unit, temperature sensor has signal wire to connect and transmits temperature signal to self-con-tained unit, and self-con-tained unit has control line to connect and controls the switch of internally piloted valve and control the discharge of steam.
Liquid level and the pure water moisturizing control valve of flash tank are chain, to control its liquid level.
Between middle part and top or also have the transition section of full graphite material, the internal diameter of transition section adopts undergauge from bottom to top than the gradual change type undergauge for 1:0.86 ~ 0.7, increases the turbulent extent of fluid, improves heat transfer effect; Hydrogenchloride outlet position can in the transition section of the below of cooling section.Have annular water tank in the middle of transition section, can strengthen the cooling-down effect of hydrogen sulfide, the final hydrogen chloride gas temperature flowed out can be low to moderate less than 45 DEG C.
(near the portfire of synthetic furnace or have infrared flame detector, the igniting that detection reaction needs whether success, if any exception, can report to the police or control miscellaneous part by self-con-tained unit quits work).
Graphite cylinder body is preferably made by having multiple graphite circle, and the external diameter of graphite circle is 900-1600mm, and the internal diameter of graphite circle is 300-600mm, and axial gas passages is annular spread in graphite circle, and the width of each axial gas passages or internal diameter are 10-16mm.
The sectional area sum in all radial water routes and the cross-sectional area ratio of all axial gas passages are 1-3:1.
After described thick walled steel tube and band steel interlock and welded, at inner-wall spraying high-temperature resistant anti-corrosive corrosion material.
Some work process:
Hydrogen and chlorine react generation hydrogen chloride gas in a combustion chamber, hydrogen chloride gas is through evaporator section, heat is passed to the warm water in steel cylinder wall, hydrogenchloride temperature reduces, continue rising, and the degree of depth through (first can have the preliminary cooling of transition section) cooling section cools, descending from synthetic furnace top baffling, again be cooled to about 45 DEG C through cooling section heat exchange, flow out from hydrogen sulfide outlet.
And the feedwater in the steel pipe of evaporator section enters flash tank along upper pipeline after absorbing heat, carry out gas-liquid separation, saturation steam flows to steam pipe system from flash drum overhead again through internally piloted valve.Liquid hot water due to gravity dirty, after preheater reheating, enter steam generation section, rely on the density difference of liquid heat water and steam to form closed circuit self-circulation.
The preferred feedwater of supply of water coolant, flows into flash tank from supply pipeline, lowers the temperature while supplementary feed to hot water.
Flash tank bottom ports has wastewater outlet, for incrustation scale and the irregular discharge of hydrops.
Beneficial effect:
The utility model solves that simple graphitic synthetic furnace high temperature explosive splits, the corrosion-resistant inadequate defect of simple steel stove.
The special construction of two levels of thermal exchange and transition section, significantly reduce the hydrogen chloride gas temperature in exit, the hydrogen chloride gas of production can be directly used in follow-up workshop section, does not need additionally to add interchanger.
Steel steam generation section inner-wall spraying high-temperature resistant anti-corrosive corrosion material, makes the hydrogen chloride gas produced may be used for making high purity hydrochloric acid.The anti-corrosive treatment of steel duct, can avoid reducing heat transfer efficiency because of cooling water scaling and damaging heat transfer block.
Transition section efficiently solves the body of heater shake because sudden change of flow speed causes, and reduces the secondary temperature elevation of the hydrogen chloride gas caused because of baffling.
The intermediate throughholes of the exchange piece of cooling section is the passage of hydrogen chloride gas, longitudinally have hydrogen chloride gas baffling passage, peripheral cooling-water duct annular spread, present the flowing of S type, this structure makes water coolant fully contact with hydrogen chloride gas, improves heat transfer effect.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is a kind of vertical cross section structural representation of transition section of the present utility model;
Fig. 3 is a kind of horizontal profile structure schematic diagram of cooling section of the present utility model.
In figure, 1-steel shell, gap between 2-steel shell and graphite cylinder body, the radial water route of 3-, 4-axial gas passages, 5-central axial bore hole, 6-steel-made inner shell, gap between 7-steel-made inner shell and graphite cylinder body, 8-graphite cylinder body, 10-cooling water inlet, 11-hydrogenchloride exports, 12-annular water tank, 14-transition section, 20-synthesis stage, 21-steam generation section, 23-cooling section, 25-cooling water outlet, 26-self-con-tained unit, 27 control lines, 28-internally piloted valve, 29 signal wires, 30-vapour outlet, 31-flash tank, 32 blowdown drums, 33-moisture ingress, 34-preheater, 35-temperature sensor, 36-steam outlet.
Embodiment
The hydrogen chloride synthesis device of by-product high-pressure steam as shown in Figure 1, 2, 3, there is synthetic furnace, flash tank, preheater, synthetic furnace is made up of the cooling section at the graphite synthesis stage of furnace bottom, the steel steam generation section at middle part and top, and hydrogenchloride outlet position is in the below of cooling section; Wherein, steel steam generation section adopts the thick walled steel tube of external diameter 80mm and band steel to interlock weld the wall right cylinder inside surrounding airtight cylindrical shape to be passed through for synthesis gas, supply steam to pass through in the steel pipe of wall and to synthesis gas desuperheat and absorption reaction hot;
Cooling section is made up of steel shell, middle graphite cylinder body and steel-made inner shell, the central axial bore hole that steel-made inner shell surrounds is for the hydrogen sulfide flowing of rising, the flowing of backward periphery is converged behind top, and then along the inner numerous descending flowing of axial gas passages of graphite cylinder body, the outlet of hydrogen chloride gas is in the bottom of cooling section;
Cooling water inlet is located at the bottom of cooling section, gap Cooling Water between steel shell and graphite cylinder body enters, there is in graphite cylinder body numerous radial water routes, flow into the cooling-water flowing in radial water route to the gap arrived between graphite cylinder body and steel-made inner shell, finally converge on cooling section top, discharge from cooling water outlet;
Steel steam generation section connects the graphite synthesis stage of furnace bottom and the cooling section at top respectively by flange plate;
The bottom of steel steam generation section is provided with moisture ingress, and top is provided with moisture outlet; The top of moisture outlet UNICOM flash tank, flash tank connects internally piloted valve and steam outlet; The bottom of moisture ingress UNICOM flash tank, the bottom UNICOM water-supply pipe of flash tank opposite side.Blowdown drum is connected with, to discharge the waste water that circulation produces bottom flash tank.
Also have the transition section of full graphite material between described steam generation section and cooling section, the internal diameter of transition section adopts the gradual change type undergauge that undergauge ratio is from bottom to top 1:0.8; Hydrogenchloride outlet position is in the transition section of the below of cooling section.
Temperature sensor is preset at the moisture outlet place of described steam generation section, internally piloted valve is connected with at the steam outlet of flash tank, separately there is self-con-tained unit, temperature sensor has signal wire to connect and transmits temperature signal to self-con-tained unit, and self-con-tained unit has control line to connect and controls the switch of internally piloted valve and control the discharge of steam.
The sectional area sum in all radial water routes and the cross-sectional area ratio of all axial gas passages are 2:1.
Described moisture ingress, by preheater, promotes the temperature of recirculated water.
The height of described steel steam generation section is 7-8 rice, the vapor pressure controlling steam outlet according to the response situation of synthesis gas by self-con-tained unit and internally piloted valve is 0.6-1.6Mpa, and the steam temperature reaching the moisture outlet controlling steam generation section is 165-190 DEG C; The height of cooling section is 4-6 rice, and the temperature of the cooling water outlet of cooling section is 30-40 DEG C.
The saturated vapor quality of described steam outlet discharge: the HCl gaseous mass=0.7 ~ 0.75:1 of synthesis.
Claims (5)
1. a hydrogen chloride synthesis device for by-product high-pressure steam, has synthetic furnace, flash tank, preheater, and synthetic furnace is made up of the cooling section at the graphite synthesis stage of furnace bottom, the steel steam generation section at middle part and top, and hydrogenchloride outlet position is in the below of cooling section; Wherein, steel steam generation section adopts thick walled steel tube and the band steel of more than external diameter 60mm to interlock weld that the wall right cylinder surrounding airtight cylindrical shape is inner to be passed through for synthesis gas, and in the steel pipe of wall, confession steam passes through;
Cooling section is made up of steel shell, middle graphite cylinder body and steel-made inner shell, the central axial bore hole that steel-made inner shell surrounds is for the hydrogen sulfide flowing of rising, the flowing of backward periphery is converged behind top, and then along the inner numerous descending flowing of axial gas passages of graphite cylinder body, the outlet of hydrogen chloride gas is in the bottom of cooling section;
Cooling water inlet is located at the bottom of cooling section, has numerous radial water routes, have cooling water outlet on cooling section top in graphite cylinder body;
Steel steam generation section connects the graphite synthesis stage of furnace bottom and the cooling section at top respectively by flange plate;
The bottom of steel steam generation section is provided with moisture ingress, and top is provided with moisture outlet; The top of moisture outlet UNICOM flash tank, flash tank connects internally piloted valve and steam outlet; The bottom of moisture ingress UNICOM flash tank, the bottom UNICOM water-supply pipe of flash tank opposite side; Blowdown drum is connected with bottom flash tank.
2. the hydrogen chloride synthesis device of by-product high-pressure steam as claimed in claim 1, is characterized in that:
Also have the transition section of full graphite material between described steam generation section and cooling section, the internal diameter of transition section adopts the gradual change type undergauge that undergauge ratio is from bottom to top 1:0.86 ~ 0.7; Hydrogenchloride outlet position is in the transition section of the below of cooling section.
3. the hydrogen chloride synthesis device of by-product high-pressure steam as claimed in claim 2, is characterized in that: have annular water tank in the middle of described transition section.
4. the hydrogen chloride synthesis device of by-product high-pressure steam as claimed in claim 1, it is characterized in that: preset temperature sensor at the moisture outlet place of described steam generation section, internally piloted valve is connected with at the steam outlet of flash tank, separately there is self-con-tained unit, temperature sensor has signal wire to connect and transmits temperature signal to self-con-tained unit, and self-con-tained unit has control line to connect and controls the switch of internally piloted valve and control the discharge of steam.
5. the hydrogen chloride synthesis device of by-product high-pressure steam as claimed in claim 1, is characterized in that: the sectional area sum in all radial water routes and the cross-sectional area ratio of all axial gas passages are 1-3:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520341399.XU CN204727605U (en) | 2015-05-25 | 2015-05-25 | The hydrogen chloride synthesis device of by-product high-pressure steam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520341399.XU CN204727605U (en) | 2015-05-25 | 2015-05-25 | The hydrogen chloride synthesis device of by-product high-pressure steam |
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| CN204727605U true CN204727605U (en) | 2015-10-28 |
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| CN201520341399.XU Expired - Fee Related CN204727605U (en) | 2015-05-25 | 2015-05-25 | The hydrogen chloride synthesis device of by-product high-pressure steam |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106495099A (en) * | 2016-12-30 | 2017-03-15 | 山东赫达股份有限公司 | There is the byproduct steam hydrogen chloride graphite synthesis furnace of economizer |
| CN112985083A (en) * | 2021-02-06 | 2021-06-18 | 四川省金路树脂有限公司 | Device and method for synthesizing hydrogen chloride and coproducing medium-low pressure steam in three-stage manner |
-
2015
- 2015-05-25 CN CN201520341399.XU patent/CN204727605U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106495099A (en) * | 2016-12-30 | 2017-03-15 | 山东赫达股份有限公司 | There is the byproduct steam hydrogen chloride graphite synthesis furnace of economizer |
| CN106495099B (en) * | 2016-12-30 | 2018-06-05 | 山东赫达股份有限公司 | Byproduct steam hydrogen chloride graphite synthesis furnace with economizer |
| CN112985083A (en) * | 2021-02-06 | 2021-06-18 | 四川省金路树脂有限公司 | Device and method for synthesizing hydrogen chloride and coproducing medium-low pressure steam in three-stage manner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Ying Inventor after: Zhou Maorong Inventor after: Weng Bingsuan Inventor after: Ren Chunxiang Inventor after: Chen Wenrong Inventor before: Zhao Guihua |
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| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161017 Address after: Le Gang Road 550599 Guizhou province Fuquan Machangping Industrial Park No. 3 Patentee after: GUIZHOU LANXIN GRAPHITE ELECTROMECHANICAL EQUIPMENT MANUFACTURING CO.,LTD. Address before: 226000, No. five, No. 6, West Village, Yong Cun, East Town, Nantong, Jiangsu, Tongzhou District, China Patentee before: Zhao Guihua |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 |
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| CF01 | Termination of patent right due to non-payment of annual fee |