CN203183931U - Continuous automatic concentrated sulphuric acid diluting device - Google Patents
Continuous automatic concentrated sulphuric acid diluting device Download PDFInfo
- Publication number
- CN203183931U CN203183931U CN 201320131569 CN201320131569U CN203183931U CN 203183931 U CN203183931 U CN 203183931U CN 201320131569 CN201320131569 CN 201320131569 CN 201320131569 U CN201320131569 U CN 201320131569U CN 203183931 U CN203183931 U CN 203183931U
- Authority
- CN
- China
- Prior art keywords
- sulfuric acid
- valve
- concentrated sulfuric
- sulphuric acid
- water
- 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 - Lifetime
Links
Images
Landscapes
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model discloses a continuous automatic concentrated sulphuric acid diluting device. The device comprises a controller, and a concentrated sulphuric acid and water metering feeding device, a concentrated sulphuric acid and water mixing device, a cooling device, a sulphuric acid concentration detection device and a dilute sulphuric acid tank which are sequentially connected with one another. Concentrated sulphuric acid and water are respectively fed into the spherical steel lining fluorine concentrated sulphuric acid and water mixing device through a metering pump according to a ratio and mixed and diluted in the concentrated sulphuric acid and water mixing device. The mixed and diluted sulphuric acid is subject to heat exchange through a spiral sulfuric acid pipeline, acid mist is absorbed and eliminated, the dilute sulphuric acid then flows into the sulphuric acid concentration detection device, and the qualified dilute sulphuric acid tank is fed into the dilute sulphuric acid tank. The device is convenient in method application, reasonable in structure and ingenious in design, and the concentrated sulphuric acid is continuously and stably diluted and can be instantly started and stopped; the feeding and mixing ratios of the concentrated sulphuric acid and the water are accurate and reliable; the device is provided with cooling water failure warning; the device is provided with high automatic controls such as automatic start and stop, failure warning shutdown, product concentration local detection and the like.
Description
Technical field
The utility model relates to a kind of processing method of the concentrated sulfuric acid, specifically the continuous automatic dilution device of a kind of concentrated sulfuric acid.
Background technology
Industrial concentrated sulfuric acid content is generally 98%, but when using, different industries need be diluted to low concentration usually, the sulfuric acid raw material that uses as the sulfuric acid process chlorine dioxide generation technology needs about 60% or about 77% usually, and all there are certain problem in the purchase of the sulfuric acid of this concentration, transportation, storage.At present there is following problem in Dilution of sulphuric acid equipment commonly used: (1) Dilution of sulphuric acid heat release may cause local temperature too high, etching apparatus, and produce a large amount of acid mists and influence environment.(2) the difficult control of traditional enamel mixing agitation and dilution method focus, dangerous high; Belong to intermittent dilution technique, product design is difficult to control and power consumption is high, and noise is big.(3) there are problems such as low, the easy leakage of short, difficult in maintenance or acidproof ability of equipment cost height, service life in other form sulfuric acid dilution devices.
The utility model content
The utility model purpose is to provide a kind of good corrosion resistance, good airproof performance, and security of operation, continous-stable, fault rate is low, and is equipped with the high automation Dilution of sulphuric acid device of concentration detection on the spot.
The technical scheme that the utility model adopts at the problems referred to above:
The continuous automatic dilution device of a kind of concentrated sulfuric acid comprises controller, the concentrated sulfuric acid and water dosing feeder, the concentrated sulfuric acid and water mixing device, cooling device, sulfuric acid concentration checkout gear and the dilute sulfuric acid jar that connect successively; The described concentrated sulfuric acid and water dosing feeder comprise concentrated sulfuric acid measuring pump and dilution water measuring pump, and concentrated sulfuric acid measuring pump is connected controller with the dilution water measuring pump; Described cooling device comprises heat exchanger and cooling water recirculation system, be provided with spirality sulfuric acid pipeline in the heat exchanger, cooling water recirculation system is cooling water cavity from bottom to top in heat exchanger, cooling water recirculation system is provided with cooling water cutout detection case and motor-driven valve, and cooling water cutout detection case is connected controller with motor-driven valve; The sulfuric acid concentration checkout gear comprises glass bushing, is provided with high concentration float, low concentration float in the glass bushing, also is provided with optoelectronic switch on the glass bushing, and optoelectronic switch is connected with controller.
As further improvement of the utility model, described concentrated sulfuric acid measuring pump also is connected with concentrated sulfuric acid charging counterbalance valve, dilution water charging counterbalance valve respectively with the dilution water measuring pump, because adopt the accurate metering feeding amount of measuring pump, therefore counterbalance valve steady pressure, flow can regulate dilute sulfuric acid concentration according to regulating the inlet amount ratio.
The described concentrated sulfuric acid and water mixing device are blender, and blender is spherical, selects the heat-resisting steel lining fluorine material of corrosion resistant for use.
In the described cooling device, heat exchanger spiral sulfuric acid pipeline is a complete transparent fluorine plastic tube, guarantees heat exchange area, tetrafluoro T type pad and the sealed connection of transparent fluorine plastic tube flange, and guaranteeing does not have leakage point.Also be provided with the cooling water flow adjustable valve on the cooling water recirculation system, cutout detection case middle part is provided with the cooling water liquid-level switch, the top is provided with the gas breather valve, the bottom is provided with flow-limiting valve, cooling water liquid-level switch, flow-limiting valve, gas breather valve guarantee that lack of water, low discharge provide warning, and the cooling water flow adjustable valve can be realized the adjusting of cooling water flow.
The sulfuric acid concentration checkout gear comprises glass bushing, is provided with high concentration float, low concentration float in the glass bushing, also is provided with optoelectronic switch on the glass bushing.Described glass bushing material is transparency silica glass or other transparent sulfuric acid corrosion resistant materials, and high concentration float, low concentration float are hollow structure, and material is polytetrafluoroethylene (PTFE) or other sulfuric acid corrosion resistant materials.
Described sulfuric acid concentration checkout gear uses the high-concentration and low-concentration float, relies on buoyancy and the accurate detectable concentration of gravity, guarantees detection accuracy, instantaneity, detects directly perceived, durable than instrument.
The two ends of described sulfuric acid concentration checkout gear also are respectively equipped with maintenance and go up valve and maintenance valve down, sulfuric acid concentration checkout gear, maintenance in valve and overhaul under valve also and bypass be connected in parallel between cooling device and the dilute sulfuric acid jar, described bypass is provided with by-pass switching valve.
Described dilute sulfuric acid storage tank is provided with three liquid-level switches that high and low position is different, be all the input of controller with optoelectronic switch, cooling water liquid-level switch, controller output end connects concentrated sulfuric acid measuring pump and dilution water measuring pump and motor-driven valve, realizes automation control.
Also be provided with the liquid collecting jar between described sulfuric acid concentration checkout gear and the dilute sulfuric acid jar, liquid collecting jar, gas breather valve all play cushioning effect, guarantee to detect continous-stable.
Described cooling device also is connected with the dilute sulfuric acid blowoff valve, and the liquid collecting jar also is connected with liquid collecting jar blowoff valve, and the dilute sulfuric acid blowoff valve is connected with the blowdown main valve with liquid collecting jar blowoff valve.
Products export is provided with multi-path can realize that blowdown, sampling etc. are multi-functional.
The utility model also provides a kind of concentrated sulfuric acid continuously automatic dilution process, may further comprise the steps:
(1) concentrated sulfuric acid and water enter into the concentrated sulfuric acid and water mixing device in proportion by concentrated sulfuric acid measuring pump and dilution water measuring pump respectively, carry out mixed diluting in mixing arrangement, and concentrated sulfuric acid measuring pump and dilution water measuring pump are controlled by controller.
(2) dilute sulfuric acid behind the mixed diluting and acid mist are cooled to normal temperature by spirality sulfuric acid pipeline through the cooling water adverse current, and absorb the elimination acid mist, cooperate cooling water cutout detection case and motor-driven valve to realize controlling automatically.
(3) cooled dilute sulfuric acid enters the sulfuric acid concentration checkout gear, and the sulfuric acid concentration checkout gear adopts high concentration float, low concentration float and optoelectronic switch to cooperate the detectable concentration deviation to realize reporting to the police.
(4) dilute sulfuric acid that detects after qualified enters the dilute sulfuric acid jar.
Operation principle of the present utility model is: the concentrated sulfuric acid and dilution water enter the concentrated sulfuric acid and water mixing device by the metering continous-stable, entering spirality sulfuric acid pipeline after fully mixing in the concentrated sulfuric acid and water mixing device flows from top to bottom, cooling water flows from bottom to top and carries out heat exchange in the cavity that forms between the shell side of spirality sulfuric acid pipeline and heat exchanger, and the certain density dilute sulfuric acid of product enters in the dilute sulfuric acid storage tank through concentrated sulfuric acid concentration detection apparatus.
Major technique characteristics of the present utility model are that the concentrated sulfuric acid and water enter into spherical the steel lining fluorine concentrated sulfuric acid and water mixing device in proportion by concentrated sulfuric acid measuring pump and water measuring pump respectively, carry out mixed diluting in mixing arrangement.Dilute sulfuric acid behind the mixed diluting and acid mist all are down to normal temperature by a complete spirality sulfuric acid pipeline after heat exchange, and absorb to eliminate acid mist, enter the sulfuric acid concentration checkout gear, enter the dilute sulfuric acid jar again after qualified.The sulfuric acid concentration checkout gear adopts float-type structure and optoelectronic switch to cooperate the detectable concentration deviation to realize reporting to the police.Cooling device adopts the cooling water adverse current type of cooling, cooperates cooling water cutout detection case and motor-driven valve to realize control automatically.Closed dilution pipeline, safe, realized that dilute sulfuric acid concentration deviation detects instant the detection, has realized control and the detection of cooling water, the utility model method is easy to use, and is rational in infrastructure, modern design, compare with same category of device, the dilution continous-stable of the concentrated sulfuric acid is namely opened namely and is stopped; The concentrated sulfuric acid and water charging mixed proportion, precisely reliable; The cooling water fault alarm; Outfit automatic start-stop, fault alarm stop, product design detects contour automatic control on the spot.According to sulfuric acid demand concentration adjustment dilution ratio, as 60% sulfuric acid product, the accurate scope of concentration is 60 ± 1%, and maximum dilution concentrated sulfuric acid amount can reach 300 kilograms/hour, is safe and reliable, automatic accurate novel diluting concentrated sulfuric acid device.
The utility model advantage compared with prior art:
(1) unique heat-and corrosion-resistant blender and spiral coil guarantee speed and the adequacy of mixing.The cutout checkout gear of utility model can detect cooling water cutout or low discharge, guarantees that cooling water continues to enter.Large tracts of land heat-transfer surface and reverse cooling water flow have guaranteed that namely opening namely of equipment stop.
(2) the measuring pump charging guarantees that charging is accurate, and flow is adjustable.The sulfuric acid concentration checkout gear of utility model relies on buoyancy and gravity effect realization concentration deviation accurately to report to the police, and guarantees the product design accuracy.
(3) concentrated sulfuric acid, dilute sulfuric acid overcurrent pipeline, detection part all use sulfuric acid corrosion resistant material fluorine material, and heat-and corrosion-resistant and unique hermetically-sealed construction have guaranteed that sulfuric acid does not have leakage, long service life and product no-sundries, acid mist is eliminated in whole dilution totally-enclosed automatically, need not the acid mist catcher.
(4) many warnings are chain, intelligent control, automatic start-stop.
(5) equipment need not to stir, and sound is from measuring pump, and noise is few; Dilution comprises that product enters product storage tank process and need not to add in addition power set, and equipment energy consumption is low.
The beneficial effects of the utility model are, method is simple, and is rational in infrastructure, and the occupation of land amount is few; Closed is mixed, and is safe and reliable; The chain automaticity height of reporting to the police more; Can produce continuously, per hour maximum dilution concentrated sulfuric acid amount is 300 kilograms/hour, and the dilute sulfuric acid deviation range is ± 1%.
Description of drawings
Fig. 1 is structural representation of the present utility model.
1. controllers among the figure, 2. concentrated sulfuric acid charging counterbalance valve, 3. dilution water charging counterbalance valve, 4. blender dilution water import, 5. blender, the 6. import of the blender concentrated sulfuric acid, 7. mixer outlet, 8. heat exchanger coolant outlet, 9. gas breather valve, 10. cutout detection case, 11. the detection case coolant outlet, 12. cooling water liquid-level switches, 13. flow-limiting valves, 14. heat exchanger, 15. spirality sulfuric acid pipeline, 16. flushing valves, 17. motor-driven valves, 18. cooling water flow adjustable valve, 19. coolant outlet, 20. cooling sea water inlet valves, 21. dilution water inlet valves, 22. heat exchanger dilute sulfuric acid outlet, 23. the dilution water measuring pump, 24. concentrated sulfuric acid measuring pumps, 25. dilute sulfuric acid blowoff valves, 26. concentrated sulfuric acid inlet valve, 27. the blowdown main valve, 28. dilute sulfuric acid storage tank outlet valves, 29. low liquid-level switches, 30. dilute sulfuric acid storage tank, 31. low liquid-level switch, 32. maintenance are valve down, 33. high concentration floats, 34. by-pass switching valve, 35. optoelectronic switch, 36. high level switches, 37. low concentration floats, 38. glass bushing, 39. valve in the maintenance, 40. dilute sulfuric acid storage tank imports, 41. liquid collecting jar blowoff valves, 42. the liquid collecting jar, 43. housings.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1, the continuous automatic dilution device of a kind of concentrated sulfuric acid comprises housing 43, the concentrated sulfuric acid and water dosing feeder, the concentrated sulfuric acid and water mixing device, cooling device, sulfuric acid concentration checkout gear, controller 1 and each tie point of device interior.
Concentrated sulfuric acid charging quantitatively enters blender 5 through concentrated sulfuric acid inlet valve 26, concentrated sulfuric acid measuring pump 24, concentrated sulfuric acid charging counterbalance valve 2 successively, and dilution water quantitatively enters blender 5 by dilution water inlet valve 21, dilution water measuring pump 23, dilution water charging counterbalance valve 3 successively; Concentrated sulfuric acid measuring pump 24, dilution water measuring pump 23 accurate measurement inlet amounies provide fluid flow pressure, concentrated sulfuric acid charging counterbalance valve 2, dilution water charging counterbalance valve 3 steady pressures, flow.
Described blender 5 comprises blender dilution water import 4, the import 6 of the blender concentrated sulfuric acid and mixer outlet 7.
The concentrated sulfuric acid and dilution water fully mix back dilute sulfuric acid and acid mist and enter a transparent fluoroplastics spirality sulfuric acid pipeline 15 and flow from top to bottom in blender 5, cooling water enters in the heat exchanger 14 through cooling sea water inlet valve 20, flushing valve 16, motor-driven valve 17, cooling water flow adjustable valve 18 and flows from bottom to top simultaneously, behind spirality sulfuric acid pipeline 15 contact heat-exchangings, cooling water is discharged through heat exchanger coolant outlet 8, enters cutout detection case 10.Cutout detection case 10 middle parts are provided with cooling water liquid-level switch 12, and the top is provided with gas breather valve 9, and the bottom is provided with flow-limiting valve 13.Enter the cooling water of cutout detection case 10, the one tunnel through flow-limiting valve 13 outflows, discharge through cooling water liquid-level switch 12, detection case coolant outlet 11, coolant outlet 19 successively on another road direction.Gas breather valve 9 can be discharged in the cutout detection case 10 air automatically and can be prevented the liquid ejection, and during low or cutout, gas breather valve 9 is opened air inlets when cooling water flow, and cooling water flows out through flow-limiting valve 13 fully, this moment cooling water liquid-level switch 12 detection alarm.
The product dilute sulfuric acid is through cooling and eliminate acid mist and go out from heat exchanger dilute sulfuric acid outlet 22, successively through overhaul down valve 39 in valve 32, high concentration float 33, low concentration float 37, the maintenance, liquid collecting jar 42 enters dilute sulfuric acid storage tank 30 by dilute sulfuric acid storage tank import 40.The sulfuric acid concentration checkout gear comprises glass bushing 38, is provided with high concentration float 33, low concentration float 37 in the glass bushing 38, also is provided with optoelectronic switch 35 on the glass bushing.When dilute sulfuric acid concentration to some extent during deviation, high concentration float 33,37 actions of low concentration float, optoelectronic switch 35 detection alarm.Close maintenance during the float maintenance and go up valve 39, maintenance valve 32 down, dilute stream of sulphuric acid is passed through through by-pass switching valve 34.But dilute sulfuric acid in the dilute sulfuric acid blowoff valve 25 emptying concentration detection apparatus, liquid collecting jar blowoff valve 41 is opened the defective dilute sulfuric acid that can discharge instant output, also can be used as sample tap.Dilute sulfuric acid blowoff valve 25, liquid collecting jar blowoff valve 41 are connected with blowdown main valve 27.
Dilute sulfuric acid storage tank 30 is provided with low liquid-level switch 29, low liquid-level switch 31, high level switch 36 and dilute sulfuric acid storage tank outlet valve 28, the output liquid level signal is to controller 1, the signal automatic control equipment start and stop that controller 1 is exported according to optoelectronic switch 35, motor-driven valve 17, the cooling water liquid-level switch 12 of dilute sulfuric acid storage tank 30 liquid levels height and concentrated sulfuric acid concentration detection apparatus, thereby the equipment of realization automatically-controlled continuous.
The course of work of the present utility model is:
Under controller 1 programme-control, the concentrated sulfuric acid and dilution water are respectively by concentrated sulfuric acid measuring pump 24 and dilution water measuring pump 23, enter blender 5 mixed sulfuric acid and enter heat exchanger 14 through concentrated sulfuric acid charging counterbalance valve 2, dilution water charging counterbalance valve 3 in proportion, after cooling water is down to normal temperature, dilute sulfuric acid goes out heat exchanger 14 through the sulfuric acid concentration checkout gear, the sulfuric acid of certified concentration enters dilute sulfuric acid storage tank 30, cooling water is entered and the 15 interior sulfuric acid adverse current coolings of spirality sulfuric acid pipeline by motor-driven valve 17 controls simultaneously, discharges through cutout detection case 10.Equipment is realized the automatic start-stop of cooling water and concentrated sulfuric acid measuring pump 24 and dilution water measuring pump 23 by controller 1 control according to dilute sulfuric acid liquid level in the dilute sulfuric acid storage tank 30.
Though above-mentionedly by reference to the accompanying drawings the specific embodiment of the present utility model is described; but be not the restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (9)
1. the continuous automatic dilution device of the concentrated sulfuric acid is characterized in that, comprises controller, the concentrated sulfuric acid and water dosing feeder, the concentrated sulfuric acid and water mixing device, cooling device, sulfuric acid concentration checkout gear and the dilute sulfuric acid jar that connect successively; The described concentrated sulfuric acid and water dosing feeder comprise concentrated sulfuric acid measuring pump and dilution water measuring pump, and concentrated sulfuric acid measuring pump is connected controller with the dilution water measuring pump; Described cooling device comprises heat exchanger and cooling water recirculation system, be provided with spirality sulfuric acid pipeline in the heat exchanger, cooling water recirculation system is cooling water cavity from bottom to top in heat exchanger, cooling water recirculation system is provided with cooling water cutout detection case and motor-driven valve, and cooling water cutout detection case is connected controller with motor-driven valve; The sulfuric acid concentration checkout gear comprises glass bushing, is provided with high concentration float, low concentration float in the glass bushing, also is provided with optoelectronic switch on the glass bushing, and optoelectronic switch is connected with controller.
2. the continuous automatic dilution device of the concentrated sulfuric acid as claimed in claim 1 is characterized in that, described concentrated sulfuric acid measuring pump also is connected with concentrated sulfuric acid charging counterbalance valve, dilution water charging counterbalance valve respectively with the dilution water measuring pump.
3. the continuous automatic dilution device of the concentrated sulfuric acid as claimed in claim 1 is characterized in that, the described concentrated sulfuric acid and water mixing device are blender, and blender is spherical, selects the steel lining fluorine material for use.
4. the continuous automatic dilution device of the concentrated sulfuric acid as claimed in claim 1 is characterized in that, in the described cooling device, heat exchanger spiral sulfuric acid pipeline is transparent fluorine plastic tube.
5. the continuous automatic dilution device of the concentrated sulfuric acid as claimed in claim 1 is characterized in that, in the described cooling device, also be provided with the cooling water flow adjustable valve on the cooling water recirculation system, cutout detection case middle part is provided with the cooling water liquid-level switch, and the top is provided with the gas breather valve, and the bottom is provided with flow-limiting valve.
6. the continuous automatic dilution device of the concentrated sulfuric acid as claimed in claim 1, it is characterized in that, the two ends of described sulfuric acid concentration checkout gear also are respectively equipped with maintenance and go up valve under valve and the maintenance, in sulfuric acid concentration checkout gear, the maintenance valve and maintenance down valve also and bypass be connected in parallel between cooling device and the dilute sulfuric acid jar, described bypass is provided with by-pass switching valve.
7. the continuous automatic dilution device of the concentrated sulfuric acid as claimed in claim 1 is characterized in that, described dilute sulfuric acid storage tank is provided with three liquid-level switches that high and low position is different.
8. the continuous automatic dilution device of the concentrated sulfuric acid as claimed in claim 1 is characterized in that, also is provided with the liquid collecting jar between described sulfuric acid concentration checkout gear and the dilute sulfuric acid jar.
9. the continuous automatic dilution device of the concentrated sulfuric acid as claimed in claim 8 is characterized in that, described cooling device also is connected with the dilute sulfuric acid blowoff valve, and the liquid collecting jar also is connected with liquid collecting jar blowoff valve, and the dilute sulfuric acid blowoff valve is connected with the blowdown main valve with liquid collecting jar blowoff valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320131569 CN203183931U (en) | 2013-03-21 | 2013-03-21 | Continuous automatic concentrated sulphuric acid diluting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320131569 CN203183931U (en) | 2013-03-21 | 2013-03-21 | Continuous automatic concentrated sulphuric acid diluting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203183931U true CN203183931U (en) | 2013-09-11 |
Family
ID=49100832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320131569 Expired - Lifetime CN203183931U (en) | 2013-03-21 | 2013-03-21 | Continuous automatic concentrated sulphuric acid diluting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203183931U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103127873A (en) * | 2013-03-21 | 2013-06-05 | 山东山大华特科技股份有限公司 | Continuous and automatic diluting device for concentrated sulfuric acid and diluting method |
| CN107335375A (en) * | 2016-09-26 | 2017-11-10 | 杨璨然 | A kind of concentrated hydrochloric acid automatic dilution configuration device |
-
2013
- 2013-03-21 CN CN 201320131569 patent/CN203183931U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103127873A (en) * | 2013-03-21 | 2013-06-05 | 山东山大华特科技股份有限公司 | Continuous and automatic diluting device for concentrated sulfuric acid and diluting method |
| CN107335375A (en) * | 2016-09-26 | 2017-11-10 | 杨璨然 | A kind of concentrated hydrochloric acid automatic dilution configuration device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103127873B (en) | Continuous and automatic diluting device for concentrated sulfuric acid and diluting method | |
| CN106040031B (en) | A kind of diluting concentrated sulfuric acid automatic control production line | |
| CN202757522U (en) | Cooling tower circulating water on-line control system | |
| CN203183931U (en) | Continuous automatic concentrated sulphuric acid diluting device | |
| CN205127910U (en) | Automatic medicament feeding system | |
| CN203593640U (en) | Automatic deoxygenating device for low-temperature feedwater | |
| CN203108442U (en) | Reverse osmosis recovery rate monitoring device | |
| CN109667798B (en) | Intelligent injection control device for guaranteeing aviation kerosene quality | |
| CN203525676U (en) | Gas-liquid double-cycle reaction device for preparing glyoxylic acid by using oxygen oxidation method | |
| CN209507650U (en) | A kind of ionic membrane method alkaline electrolysis light salt brine dechlorination system | |
| CN203722051U (en) | On-line purification cold water temperature control device applied to large power semiconductor laser | |
| CN203400729U (en) | High tower anion and cation resin separation conductance interface detecting device | |
| CN104383787A (en) | Continuous production equipment of hydrogen chloride methanol solution and production technology | |
| Fang et al. | Operational performance of the valve cooling system in Guangzhou converter station | |
| CN109985542A (en) | A kind of production system for preparing dilute sulfuric acid by the concentrated sulfuric acid | |
| CN210142070U (en) | Quick detection and analysis device for chemical oxygen demand of water quality | |
| CN1260142C (en) | Intelligent flocculation chemical dosing system | |
| CN203432450U (en) | Automatic control device for waste heat generating cooling tower of cement kiln | |
| CN202347032U (en) | Chrome tanning agent production unit | |
| CN207880816U (en) | A kind of hybrid dead steam recovery system | |
| CN210128358U (en) | Automatic frequency conversion adjusting device of leachate back-spraying system | |
| CN214734750U (en) | Recirculated cooling water saving system of thermal power plant | |
| CN205958460U (en) | Be applied to atomic fluorescence spectrophotometer's steam boiler unit | |
| CN217628436U (en) | Sulphur floats equipment for sugaring | |
| CN203565017U (en) | Automatic acid preparation device during production of furfural |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210202 Address after: 250010 Huate building, Shanda Science Park, Yingxiu Road, high tech Development Zone, Jinan City, Shandong Province Patentee after: Shandong Shanda Huate Environmental Protection Technology Co.,Ltd. Address before: 250061 Huate Plaza, 17703 Jingshi Road, Lixia District, Jinan City, Shandong Province Patentee before: SHANDONG SHANDA HUATE TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130911 |
|
| CX01 | Expiry of patent term |