CN206768049U - A kind of transverse pipe initial cooler cooling device - Google Patents
A kind of transverse pipe initial cooler cooling device Download PDFInfo
- Publication number
- CN206768049U CN206768049U CN201720473080.1U CN201720473080U CN206768049U CN 206768049 U CN206768049 U CN 206768049U CN 201720473080 U CN201720473080 U CN 201720473080U CN 206768049 U CN206768049 U CN 206768049U
- Authority
- CN
- China
- Prior art keywords
- hypomere
- transverse pipe
- epimere
- shower
- pipe initial
- 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
Links
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model belongs to coke-stove gas cooling technique technical field,It is related to a kind of transverse pipe initial cooler cooling device for improving condensate quality of lower segment groove of transverse tube primary cooler,Some spray equipments are installed on shower,Disconnected tower tray is installed between stage casing shower and hypomere shower,Ammonia vessel is connected to above mechanizeding ammonia clarifying groove pipeline by connecting tube,Ammonia vessel is connected by the first connecting tube with epimere shower,The bottom of transverse pipe initial cooler is sequentially connected hypomere water sealed tank by the second connecting tube,Hypomere condenses liquid bath and mechanizeding ammonia clarifying groove,Disconnected transverse pipe initial cooler between tower tray and hypomere shower is sequentially connected epimere water sealed tank by the 3rd connecting tube,Epimere condenses liquid bath and mechanizeding ammonia clarifying groove,Epimere condensation liquid bath is connected with stage casing shower by the 4th connecting tube,Ammoniacal liquor pipeline is connected between first connecting tube and the 4th connecting tube,Solve in the lower end slot of transverse pipe initial cooler and deposit naphthalene,The problem of tar and coke powder.
Description
Technical field
The utility model belongs to coke-stove gas cooling technology field, is related to a kind of raising transverse pipe initial cooler lower segment groove condensate liquid
The cooling device of quality.
Background technology
In process of coking, the raw gas temperature escaped from coke furnace carbonization chamber through tedge is 650~750 DEG C, is passed through first
Bridge tube enters discharge, and the cyclic ammonia water being sprayed is cooled to 80~85 DEG C, gas temperature is then down to 21 through primary cooler~
25℃.Here, most of steam contained in raw coke oven gas, tar, naphthalene and solia particle (mainly coal dust) are separated, portion
Point Korrosionsmedium such as hydrogen sulfide and hydrogen cyanide also is soluble in condensate liquid, so as to reduce follow-up gas purification equipment and pipeline
Block and corrode, and coal gas is obtained preliminary purification.
Horizontal water-tube primary cooler is mainly used in coking industry at this stage, is divided into two sections or three sections water supply.It is to supply that two sections, which are supplied water,
Water at low temperature and recirculated water, three sections of water supply then supply water at low temperature, recirculated water and heating water;These techniques are required for will just using water at low temperature
Cooler outlet coal gas is cooled to 21~25 DEG C.To save low temperature water consumption, horizontal water-tube primary cooler is typically in recirculated water section and low temperature
Disconnected tower tray is set between water section, coal gas is cooled to 40 DEG C or so by recirculated water section using recirculated water, makes condensate liquid above disconnected tower tray
Draw, do not enter water at low temperature section.
In the case of existing, when the outside temperature is low, primary cooler outlet conduit inner wall temperature is close to external temperature, in coal gas
Substantial amounts of naphthalene deposits at low temperature, and the naphthalene to accumulate over a long period in gas piping gradually increases, and deposits the naphthalene to get off as condensate liquid enters
Enter into lower segment groove circulation sprinkling, because lower segment groove replacement result is bad, circulate the serious shadow of increase of naphthalene accumulating amount in flushing liquor
Spray effect is rung, causes primary cooler to block, and a part of naphthalene, tar and coke powder can be deposited in lower segment groove, and is not easy to exclude.
Utility model content
In view of this, the utility model is in order to solve in the lower end slot of transverse pipe initial cooler easily deposition naphthalene, tar and coke powder
The problem of, there is provided a kind of cooling device for improving condensate quality of lower segment groove of transverse tube primary cooler.
To reach above-mentioned purpose, the utility model provides following technical scheme:Including transverse pipe initial cooler, transverse pipe initial cooler
Bottom offers gas exit, and the top of transverse pipe initial cooler offers gas inlet, be installed with transverse pipe initial cooler,
In, lower three sections of showers, some spray equipments are installed on shower, disconnected tower is installed between stage casing shower and hypomere shower
Disk, the side of transverse pipe initial cooler are provided with epimere water sealed tank, hypomere water sealed tank, epimere condensation liquid bath, hypomere condensation liquid bath, ammoniacal liquor
Groove and mechanizeding ammonia clarifying groove, ammonia vessel are connected to above mechanizeding ammonia clarifying groove pipeline by connecting tube, and ammonia vessel leads to
Cross the first connecting tube to connect with epimere shower, the bottom of transverse pipe initial cooler is sequentially connected hypomere water seal by the second connecting tube
Groove, hypomere condensation liquid bath and mechanizeding ammonia clarifying groove, disconnected transverse pipe initial cooler between tower tray and hypomere shower pass through the 3rd
Connecting tube is sequentially connected epimere water sealed tank, epimere condensation liquid bath and mechanizeding ammonia clarifying groove, and epimere condensation liquid bath sprays with stage casing
Shower pipe is connected by the 4th connecting tube, and ammoniacal liquor pipeline is connected between the first connecting tube and the 4th connecting tube.
Further, heating water inlet and heating are offered on the transverse pipe initial cooler between epimere shower and stage casing shower
Water out, circulating water intake and circulating water outlet are offered on the transverse pipe initial cooler between stage casing shower and hypomere shower,
Refrigeration water inlet and refrigeration water out are offered on transverse pipe initial cooler between hypomere shower and gas inlet.
Further, the inwall of shower and transverse pipe initial cooler is adapted.
Further, the tower tray that breaks includes hollow tower tray body, and the both sides of hollow tower tray body are provided with supporting plate, hollow tower tray body it is upper
Side is provided with tower tray cap, and tower tray cap is fixedly mounted on the supporting plate, and the axial line of hollow tower tray body overlaps with the axial line of tower tray seat.
Further, spray equipment includes housing and the nozzle core being fixed in housing, and nozzle core leads to for the first of cylinder
Road, the lower end of first passage connect plate-like to match with first passage and being in coniform second channel under second channel
Branch pipe is sprayed, sprays and offers some sprinkler heads on branch pipe.
Further, ammonia circulation pump is connected on ammonia vessel.
Further, hypomere condensate pump is installed with hypomere condensation liquid bath, hypomere is installed on hypomere condensate pump
Liquid level of liquid tank signal is condensed, hypomere tune is installed in the second connecting tube between hypomere condensation liquid bath and mechanizeding ammonia clarifying groove
Valve and hypomere efflux pump are saved, hypomere condenses liquid level of liquid tank signal and is connected with hypomere regulation valve signal.
Further, epimere condensation liquid level of liquid tank signal, epimere condensation liquid bath and mechanization are installed on epimere condensation liquid bath
Epimere regulating valve and epimere condensate pump, epimere condensation liquid level of liquid tank letter are installed in the 3rd connecting tube between ammoniacal liquor defecator
Number with epimere regulation valve signal be connected.
Further, the outer wall of hypomere condensation liquid bath is provided with heat-insulation layer.
Compared with prior art, its advantage is the utility model:
1st, while the coal gas in transverse pipe initial cooler is cooled, has vapor and tar gas condense out on tube wall,
Condensate liquid forms very thin liquid film on tube wall, and liquid film flows downward along inwall under gravity, due to there is new condensation
Liquid is continuously added, and liquid film gradually thickeies, and reduces the cooling effectiveness of primary cooler, and disconnected tower tray is arranged in primary cooler, can be timely
Condensate liquid is discharged into primary cooler, improves the heat transfer efficiency of hypomere coal gas cooling.
2nd, the bottom of transverse pipe initial cooler connects hypomere by the second connecting tube and condenses liquid bath and hypomere water sealed tank, and hypomere is cold
Hypomere condensate pump is connected on condensate tank, by the twitch of hypomere condensate pump, the naphthalene that can deposit primary cooler bottom is evacuated to
In hypomere condensation liquid bath, hypomere condensation liquid level of liquid tank signal sends induced signal so that hypomere regulating valve is opened, and the naphthalene of deposition leads to
Cross hypomere efflux pump and be expelled in mechanizeding ammonia clarifying groove and clarified.
3rd, the coolant formed between tower tray and hypomere shower of breaking, which can be collected by the 3rd connecting tube to epimere, to be condensed
In liquid bath, the epimere condensation liquid level of liquid tank signal on epimere condensation liquid bath sends induced signal so that and epimere regulating valve is opened, on
Coolant is evacuated in mechanizeding ammonia clarifying groove by section condenser pump, passes through ammoniacal liquor after the ammoniacal liquor clarification in mechanizeding ammonia clarifying groove
Circulating pump is constantly transferred in epimere shower and stage casing shower, and the coal gas in primary cooler is cooled down, and ammoniacal liquor can follow
Ring uses, and greatly reduces production cost.
4th, the nozzle core epimere of spray equipment of the present utility model is the first passage of cylinder, and hypomere is the second of taper
Passage, the lower section connection spray branch pipe of second channel, sprays and is uniformly distributed substantial amounts of sprinkler head on branch pipe, and ammoniacal liquor flushing liquor is from straight
On the larger less sprinkler head of first passage flow-pipe diameter in footpath so that sprinkler head pressure increases, the sprinkling of sprinkler head more added with
Strength, prevent sprinkler head from blocking.
Brief description of the drawings
In order that the purpose of this utility model, technical scheme and beneficial effect are clearer, the utility model provides as follows
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the utility model transverse pipe initial cooler cooling device;
Fig. 2 is the structural representation of spray equipment in embodiment.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
Reference in Figure of description includes:
Transverse pipe initial cooler 11, gas inlet 12, gas exit 13, heating water outlet 14, heating water inlet 15, recirculated water go out
Mouth 16, circulating water intake 17, refrigeration water out 18, refrigeration water inlet 19, shower 20, spray equipment 21, disconnected tower tray 22, ammoniacal liquor
Circulating pump 23, ammonia vessel 24, mechanizeding ammonia clarifying groove 25, epimere regulating valve 26, epimere condensate pump 27, epimere condensation liquid bath
Liquid level signal 28, epimere condensation liquid bath 29, hypomere condensation liquid level of liquid tank signal 30, hypomere condensation liquid bath 31, hypomere regulating valve 32,
Hypomere efflux pump 33, epimere water sealed tank 34, hypomere water sealed tank 35, hypomere condensate pump 36, tar light oil pipeline 37, ammoniacal liquor pipeline
38th, first passage 39, second channel 40, spray branch pipe 41, sprinkler head 42.
Transverse pipe initial cooler cooling device as shown in Figure 1, the bottom of transverse pipe initial cooler 11 open up gas exit 13, at the beginning of transverse tube
The top of cooler 11 opens up gas inlet 12, and upper, middle and lower segment shower 20 is uniformly fixedly mounted in transverse pipe initial cooler 11, on
Heating water inlet 15 and heating water outlet 14 are opened up on transverse pipe initial cooler 11 between section shower 20 and stage casing shower 20, in
Circulating water intake 17 and circulating water outlet 16 are opened up on transverse pipe initial cooler 11 between section shower 20 and hypomere shower 20, under
Refrigeration water inlet 19 and refrigeration water out 18 are opened up on transverse pipe initial cooler 11 between section shower 20 and gas inlet 12.
The inwall of shower 20 and transverse pipe initial cooler 11 is tangent, and five sprays as shown in Figure 2 are installed on each shower 20
Shower device 21, spray equipment 21 include housing and the nozzle core being fixed in housing, and nozzle core is cylindrical first passage 39,
The lower end of first passage 39 is matches and is in coniform second channel 40 with first passage 39,40 times terminal pads of second channel
The spray branch pipe 41 of shape, spray and open up 1000 sprinkler heads 42 on branch pipe 41.Between stage casing shower 20 and hypomere shower 20
The disconnected tower tray 22 of installation, disconnected tower tray 22 include hollow tower tray body, and the both sides of hollow tower tray body are provided with supporting plate, hollow tower tray body it is upper
Side is provided with tower tray cap, and tower tray cap is fixedly mounted on the supporting plate, and the axial line of hollow tower tray body overlaps with the axial line of tower tray seat.
The right side of transverse pipe initial cooler 11 installation epimere water sealed tank 34, hypomere water sealed tank 35, epimere condensation liquid bath 29, hypomere condensation
Liquid bath 31, ammonia vessel 24 and mechanizeding ammonia clarifying groove 25, ammonia vessel 24 are connected to mechanizeding ammonia clarifying groove by connecting tube
Above 25 pipelines, ammonia vessel 24 is connected by the first connecting tube with epimere shower 20, and the bottom of transverse pipe initial cooler 11 passes through the
Two connecting tubes are sequentially connected hypomere water sealed tank 35, hypomere condensation liquid bath 31 and mechanizeding ammonia clarifying groove 25, break tower tray 22 with
Transverse pipe initial cooler 11 between section shower 20 is sequentially connected epimere water sealed tank 34 by the 3rd connecting tube, epimere condenses liquid bath 29
With mechanizeding ammonia clarifying groove 25, epimere condensation liquid bath 29 is connected with stage casing shower 20 by the 4th connecting tube, the first connection
Ammoniacal liquor pipeline 38 is connected between the connecting tubes of Guan Yu tetra-.Hypomere condensate pump 36 is fixedly mounted on hypomere condensation liquid bath 31, under
The hypomere condensation liquid level signal 30 of liquid bath 31, hypomere condensation liquid bath 31 and mechanizeding ammonia clarifying groove 25 are installed on section condensate pump 36
Between the second connecting tube on hypomere regulating valve 32 and hypomere efflux pump 33 are installed, the liquid level signal 30 of hypomere condensation liquid bath 31 is with
The signal connection of section regulating valve 32.The epimere condensation liquid level signal 28 of liquid bath 29, epimere condensate liquid are installed on epimere condensation liquid bath 29
Epimere regulating valve 26 and epimere condensate pump 27 are installed in the 3rd connecting tube between groove 29 and mechanizeding ammonia clarifying groove 25,
The epimere condensation liquid level signal 28 of liquid bath 29 is connected with the signal of epimere regulating valve 26.
The transverse pipe initial cooler cooling device passes through first on ammonia circulation pump 23 in use, unlatching ammonia circulation pump 23
Ammoniacal liquor in ammonia vessel 24 is constantly delivered to epimere shower 20 by connecting tube, and the shower nozzle on the spray equipment 21 of epimere shower 20 is not
It is disconnected that sprinkling cooling is carried out to the coal gas in primary cooler.While coal gas in primary cooler is cooled, vapor and tar gas are in pipe
Condensed out on wall, condensate liquid forms very thin liquid film on tube wall, liquid film under gravity along primary cooler inwall not
Disconnected to flow downward, condensate liquid discharges primary cooler by disconnected tower tray 22, and the condensate liquid of exclusion gradually flow to epimere condensation liquid bath 29, led to
Epimere condensate pump 27 is crossed to collect in mechanizeding ammonia clarifying groove 25.The naphthalene of primary cooler lower end deposition passes through hypomere condensate pump
36 twitch, the naphthalene of deposition is deposited in hypomere condensation liquid bath 31, and then is also collected in mechanizeding ammonia clarifying groove 25
Row clarification, the ammoniacal liquor after the clarification of mechanizeding ammonia clarifying groove 25 reenter primary cooler under the twitch of ammonia circulation pump 23 and entered
Row utilizes.
Finally illustrate, preferred embodiment above is only unrestricted to illustrate the technical solution of the utility model, to the greatest extent
The utility model has been described in detail by above preferred embodiment for pipe, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details
The scope of restriction.
Claims (9)
1. a kind of transverse pipe initial cooler cooling device, including transverse pipe initial cooler, it is characterised in that open the bottom of the transverse pipe initial cooler
Provided with gas exit, the top of the transverse pipe initial cooler offers gas inlet, be installed with the transverse pipe initial cooler,
In, lower three sections of showers, some spray equipments are installed on the shower, between the stage casing shower and hypomere shower
The disconnected tower tray of installation, the side of the transverse pipe initial cooler are provided with epimere water sealed tank, hypomere water sealed tank, epimere condensation liquid bath, hypomere
Condensation liquid bath, ammonia vessel and mechanizeding ammonia clarifying groove, the ammonia vessel are connected to mechanizeding ammonia clarifying groove by connecting tube
Above pipeline, the ammonia vessel is connected by the first connecting tube with epimere shower, and the bottom of the transverse pipe initial cooler passes through the
Two connecting tubes are sequentially connected hypomere water sealed tank, hypomere condensation liquid bath and mechanizeding ammonia clarifying groove, the disconnected tower tray and sprayed with hypomere
Transverse pipe initial cooler between shower pipe is sequentially connected epimere water sealed tank by the 3rd connecting tube, epimere condenses liquid bath and mechanization ammoniacal liquor
Defecator, the epimere condensation liquid bath are connected with stage casing shower by the 4th connecting tube, and first connecting tube connects with the 4th
Ammoniacal liquor pipeline is connected between adapter.
2. transverse pipe initial cooler cooling device as claimed in claim 1, it is characterised in that the epimere shower and stage casing spray
Offer heating water inlet and heating water outlet on transverse pipe initial cooler between pipe, the stage casing shower and hypomere shower it
Between transverse pipe initial cooler on offer circulating water intake and circulating water outlet, the horizontal stroke between the hypomere shower and gas inlet
Refrigeration water inlet and refrigeration water out are offered on pipe primary cooler.
3. transverse pipe initial cooler cooling device as claimed in claim 2, it is characterised in that the shower and transverse pipe initial cooler
Inwall is adapted.
4. transverse pipe initial cooler cooling device as claimed in claim 3, it is characterised in that the disconnected tower tray includes hollow tower tray
Body, the both sides of the hollow tower tray body are provided with supporting plate, and the top of the hollow tower tray body is provided with tower tray cap, and the tower tray cap is consolidated
Dingan County fills on the supporting plate, and the axial line of the hollow tower tray body overlaps with the axial line of tower tray seat.
5. the transverse pipe initial cooler cooling device as described in Claims 1 to 4 is any, it is characterised in that the spray equipment includes
Housing and the nozzle core being fixed in housing, the nozzle core are the first passage of cylinder, and the lower end of the first passage is
Match with first passage and be in coniform second channel, the spray branch pipe of plate-like, the spray are connected under the second channel
Some sprinkler heads are offered on leaching branch pipe.
6. transverse pipe initial cooler cooling device as claimed in claim 5, it is characterised in that connect ammonia circulation on the ammonia vessel
Pump.
7. transverse pipe initial cooler cooling device as claimed in claim 6, it is characterised in that fixed peace on the hypomere condensation liquid bath
Equipped with hypomere condensate pump, hypomere condensation liquid level of liquid tank signal, the hypomere condensate liquid are installed on the hypomere condensate pump
Hypomere regulating valve and hypomere efflux pump are installed, the hypomere is cold in the second connecting tube between groove and mechanizeding ammonia clarifying groove
Condensate tank liquid level signal is connected with hypomere regulation valve signal.
8. transverse pipe initial cooler cooling device as claimed in claim 7, it is characterised in that be provided with the epimere condensation liquid bath
Epimere condenses liquid level of liquid tank signal, is installed in the 3rd connecting tube between the epimere condensation liquid bath and mechanizeding ammonia clarifying groove
There are epimere regulating valve and epimere condensate pump, the epimere condensation liquid level of liquid tank signal is connected with epimere regulation valve signal.
9. transverse pipe initial cooler cooling device as claimed in claim 8, it is characterised in that the outer wall of the hypomere condensation liquid bath is set
There is heat-insulation layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720473080.1U CN206768049U (en) | 2017-04-28 | 2017-04-28 | A kind of transverse pipe initial cooler cooling device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720473080.1U CN206768049U (en) | 2017-04-28 | 2017-04-28 | A kind of transverse pipe initial cooler cooling device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206768049U true CN206768049U (en) | 2017-12-19 |
Family
ID=60634288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720473080.1U Expired - Fee Related CN206768049U (en) | 2017-04-28 | 2017-04-28 | A kind of transverse pipe initial cooler cooling device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206768049U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108219861A (en) * | 2018-02-08 | 2018-06-29 | 武汉金中石化工程有限公司 | A kind of thick straw fuel gas purification technique and its purifier |
CN110903863A (en) * | 2019-12-23 | 2020-03-24 | 中冶焦耐(大连)工程技术有限公司 | Primary cooling process and device adopting circulating ammonia water for refrigeration |
-
2017
- 2017-04-28 CN CN201720473080.1U patent/CN206768049U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108219861A (en) * | 2018-02-08 | 2018-06-29 | 武汉金中石化工程有限公司 | A kind of thick straw fuel gas purification technique and its purifier |
CN110903863A (en) * | 2019-12-23 | 2020-03-24 | 中冶焦耐(大连)工程技术有限公司 | Primary cooling process and device adopting circulating ammonia water for refrigeration |
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 |
CN110903863B (en) * | 2019-12-23 | 2024-06-07 | 中冶焦耐(大连)工程技术有限公司 | Primary cooling process and device adopting circulating ammonia water for refrigeration |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN206768049U (en) | A kind of transverse pipe initial cooler cooling device | |
CN201488631U (en) | Horizontal tubular primary cooler scale removal device | |
CN108561756B (en) | Raw coke oven gas pipeline condenses liquid processing device before a kind of primary cooler | |
CN103122261B (en) | Method for eliminating naphthaline in high-temperature coke-oven gas | |
CN101792677B (en) | Device for cleaning naphthalin blockage of coking gas primary cooler and final cooling tower | |
CN201545809U (en) | Coking coal gas primary cooler and final cooling tower naphthalene plugging clearing device | |
CN208136190U (en) | Naphthalene system is washed in coal gas primary cooler sprinkling | |
CN111662753A (en) | Tandem type coke oven gas final cooling purification equipment and process thereof | |
CN110986449A (en) | Primary cooling process and device for refrigeration by using waste heat of circulating ammonia water | |
CN206787377U (en) | A kind of horizontal tubular primary cooler spray tube device | |
CN103254943A (en) | Pre-cooling process and device of low-section replenishing liquor of transverse pipe pre-cooler | |
CN211595548U (en) | Primary cooling device adopting circulating ammonia water for refrigeration | |
CN217139235U (en) | Hydrochloric acid distillation system in pinacolone production process | |
CN211601245U (en) | Primary cooling device using waste heat of circulating ammonia water for refrigeration | |
CN202954015U (en) | Novel horizontal-pipe-type gas primary cooler | |
CN110499170B (en) | Coke oven raw gas sensible heat recovery device | |
CN205077003U (en) | A heat reclamation device for coke oven tedge raw coke oven gas | |
CN207987126U (en) | A kind of novel horizontal water-tube cooler | |
CN110433519A (en) | A kind of return-flow system and method for distilling tower top | |
CN216995908U (en) | Horizontal groove of condensation spraying liquid for primary cooler | |
CN218989185U (en) | Raw gas cooler with dust removal and tar removal functions | |
CN207734777U (en) | Device on coke oven gas pipe for removing coke-stove gas impurity | |
CN217809272U (en) | Primary cooler condensate conveying system | |
CN214470198U (en) | Tail gas cooling treatment device for continuous acidolysis reaction | |
CN220034401U (en) | Desulfurization liquid balance system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20180428 |