CN110054162A - A kind of anodic protection acid cooler to heat - Google Patents
A kind of anodic protection acid cooler to heat Download PDFInfo
- Publication number
- CN110054162A CN110054162A CN201910337464.4A CN201910337464A CN110054162A CN 110054162 A CN110054162 A CN 110054162A CN 201910337464 A CN201910337464 A CN 201910337464A CN 110054162 A CN110054162 A CN 110054162A
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- Prior art keywords
- acid cooler
- outside
- acid
- shell
- sealing
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
- C01B17/76—Preparation by contact processes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A kind of anodic protection acid cooler to heat, including acid cooler shell, the first connecting flange is equipped on the outside of acid cooler shell left and right ends, acid cooler shell left and right ends are equipped with end cover, the second connecting flange is equipped on the inside of end cover, two installing ports in left and right are equipped on the outside of right-left seal end cap, the acid cooler cathode being located on the inside of acid cooler shell is equipped on the inside of the installing port of left and right, acid mouth is equipped on the left of acid cooler upper shell, acid inlet is equipped on the right side of acid cooler upper shell, acid cooler shell lower end is equipped with clean-up port, right-left seal end cap upper end is equipped with connector, right-left seal end cap lower end is equipped with discharge outlet, sealing plate is equipped between right-left seal end cap and acid cooler shell, access opening is provided on right-left seal plate, heat exchanger tube is sealedly connected between the access opening of left and right, heat exchanger tube is mutually around setting, it is provided on the outside of right-left seal plate Mounting groove, left and right mounting groove is interior to be equipped with sealing, is equipped with the holding tank being opened on end cover and acid cooler shell on the outside of right-left seal portion.
Description
Technical field
The present invention relates to the equipment in contact method sulphuric acid plant, more particularly to a kind of anodic protection acid cooler that can be heated.
Background technique
Gas washing in SA production sulfur trioxide absorption workshop section can generate a large amount of heat, and domestic gas washing in SA production producer is usually all to use
The anodic protection tubular type acid cooler of domestic material recirculated water reduces acid temperature, and 40-50 DEG C of recirculated water is after cooling tower cools
Recycled, heat is difficult to recycle, heat-energy losses waste.
Summary of the invention
The invention solves the above-mentioned problems of the prior art, provide a kind of anodic protection acid cooler that can be heated, should
Anodic protection acid cooler is reasonable in design, and the temperature that the recirculated water of equivalent absorbs is higher, and the heat of recirculated water is recycled
It utilizes, avoids the loss and waste of thermal energy.
The technical scheme adopted by the invention to solve the technical problem: this anodic protection acid cooler to heat, including acid
Cooler shell, acid cooler shell left and right ends outside are equipped with the first connecting flange, and acid cooler shell left and right ends are set
There is end cover, the second connecting flange being bolted with the first connecting flange, left and right are equipped on the inside of the end cover
Two installing ports in left and right are equipped on the outside of the end cover, the left and right installing port inner seal is connected with positioned at acid cooler shell
The acid cooler cathode of inside, the acid cooler upper shell left side are equipped with acid mouth, are equipped on the right side of the acid cooler upper shell
Acid inlet, acid cooler shell lower end center are equipped with clean-up port, are equipped on the outside of clean-up port and to be connected by bolt seal
First sealing plate, the left and right end cover upper end are equipped with connector, and the left and right end cover lower end is equipped with discharge outlet, draining
The second sealing plate connected by bolt seal is equipped on the outside of mouthful；
It is equipped with sealing plate between the left and right end cover and acid cooler shell, is bolted on the outside of the sealing plate
Between first connecting flange and the second connecting flange, the acid cooler cathode is sealedly connected in the sealing plate of left and right
Heart position, several access openings for being uniformly looped around acid cooler cathode surrounding are provided on the sealing plate of left and right, and left and right is described logical
Heat exchanger tube is sealedly connected between road hole, for the heat exchanger tube mutually around setting, the heat exchanger tube is located at the acid cooler cathode
Outside, the left and right sealing plate outside are provided with mounting groove, sealing are fixedly connected in the mounting groove of left and right, left and right is described close
The holding tank being opened on the end cover and acid cooler shell is equipped on the outside of envelope portion, recirculated water is mutually wound by several
Heat exchanger tube absorbs heat, so that the heat that the recirculated water of equivalent absorbs in the same time is more, endothermic effect is more preferable, after heat exchange
Circulating water temperature is correspondinglyd increase to 70-80 DEG C, and the heat exchanger tube uses import specific alloy material, can tolerate 105 DEG C of dense sulphur of high temperature
Acid.
In order to further perfect, consolidating around acid cooler outer side of shell is fixedly connected at left and right sides of acid cooler shell lower end
Determine portion, fixed part lower end is fixedly connected with support plate, and support plate lower end is fixedly connected with connecting plate, the connecting plate upper end left and right sides
Equipped with the reinforcing rib being fixedly connected respectively with support plate left and right ends, the connecting plate lower end front and rear sides are fixedly connected with rolling
Wheel is equipped with fixed part and scroll wheel, facilitates the movement and placement of the device, so that the device is more convenient to use.
Further perfect, sealing is made of elastic anti-corrosive rubber material.
Further perfect, connector upper end described in right end is equipped with the outlet pipe being bolted, and outlet pipe middle-end is equipped with
Flowmeter, the outlet pipe outside are equipped with thermometer and PH meter, and the outlet pipe tail end is equipped with the suction side of the first suction pump,
The water outlet of first suction pump is sealedly connected with connecting tube, is equipped with reservoir, reservoir upper end on the outside of the tail end of connecting tube
Equipped with closed cover, the insulating layer being located in each wall of reservoir, the row of being equipped on the downside of the reservoir right end are equipped in the reservoir
Water pipe, connector upper end described in left end are equipped with the water inlet pipe being bolted, and water inlet pipe tail end sealing is connected with second and draws water
The water outlet of pump, the suction side of second suction pump are sealedly connected with cold water pipe, are equipped with water cooling pond, water cooling pond on the outside of cold water pipe
Upper end is equipped with shielding cover, and the return pipe through water cooling pond left wall is equipped on the upside of water cooling pond left end, and being equipped with thermometer and PH meter can be with
The water temperature and pH value of real-time monitoring recirculated water can draw water convenient for judging whether heat exchanger tube damages equipped with flowmeter by first
The flowing velocity of pump and the reasonable control loop water of the second suction pump, can also be with when can then guarantee device parking equipped with reservoir
It heats.
Further perfect, drainpipe and cold water pipe left end outer side seal are connected with filter device, and the filter device includes
The filter sheath being sealedly connected on the outside of the drainpipe and cold water pipe left end respectively, the filter sheath left end are equipped with water inlet, into
Mouth of a river right end is equipped with the first filter screen being located on the inside of filter sheath, and the first filter screen right end is equipped with the first filtering sponge, and described the
One filtering sponge right end be equipped with cation exchange resin layer, cation exchange resin layer right end be equipped with second filtering sponge, second
It filters sponge right end and is equipped with the second filter screen, being equipped with filter device can avoid influencing the first suction pump and the with filtration cycle water
Calcium ions and magnesium ions in water can be cemented out sodium ion by the work of two suction pumps, cation exchange resin layer, avoid with
The raising of temperature and the case where cause scale to generate in heat exchanger tube.
The invention has the advantages that: rationally, the recirculated water of equivalent is interior at the same time to be absorbed for structure of the invention design
Temperature it is higher, endothermic effect is more preferable, by the heat of recirculated water carry out recycling carry out heat supply in winter effect, avoid the direct of thermal energy
Loss, it is more green, more environmentally friendly.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the cross-sectional view after acid cooler shell and end cover installation；
Fig. 3 is the enlarged drawing of part A in Fig. 2；
Fig. 4 is the enlarged drawing of part B in Fig. 1；
Fig. 5 is the left view after acid cooler shell and end cover installation；
Fig. 6 is the structural schematic diagram after sealing plate and heat exchanger tube installation；
Fig. 7 is the sectional view of sealing plate.
Description of symbols: 1, acid cooler shell, the 2, first connecting flange, 3, end cover, the 4, second connecting flange, 5,
Installing port, 6, acid cooler cathode, 7, acid mouth, 8, acid inlet, 9, clean-up port, the 10, first sealing plate, 11, connector, 12, row
The mouth of a river, the 13, second sealing plate, 14, sealing plate, 15, access opening, 16, heat exchanger tube, 17, mounting groove, 18, sealing, 19, receiving
Slot, 20, fixed part, 21, support plate, 22, connecting plate, 23, reinforcing rib, 24, scroll wheel, 25, outlet pipe, 26, flowmeter, 27,
Thermometer, 28, PH meter, the 29, first suction pump, 30, connecting tube, 31, reservoir, 32, closed cover, 33, insulating layer, 34, draining
Pipe, 35, water inlet pipe, the 36, second suction pump, 37, cold water pipe, 38, water cooling pond, 39, shielding cover, 40, return pipe, 41, filtering dress
It sets, 42, filter sheath, 43, water inlet, the 44, first filter screen, the 45, first filtering sponge, 46, cation exchange resin layer, 47,
Second filtering sponge, the 48, second filter screen.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
Referring to attached drawing 1-7: a kind of anodic protection acid cooler that can be heated in the present embodiment, including acid cooler shell 1, it is described
The first connecting flange 2 is equipped on the outside of 1 left and right ends of acid cooler shell, 1 left and right ends of acid cooler shell are equipped with end cover
3, the second connecting flange 4 being bolted with the first connecting flange 2 is equipped on the inside of the end cover 3, left and right is described close
It blocks and is equipped with two installing ports 5 in left and right on the outside of lid 3, left and right 5 inner seal of installing port is connected in acid cooler shell 1
The acid cooler cathode 6 of side, 1 upper end of the acid cooler shell left side are equipped with acid mouth 7, set on the right side of 1 upper end of acid cooler shell
There is acid inlet 8, the 1 lower end center of acid cooler shell is equipped with clean-up port 9, is equipped on the outside of clean-up port 9 and passes through bolt seal
First sealing plate 10 of connection, left and right 3 upper end of end cover are equipped with connector 11, and left and right 3 lower end of end cover is set
Have a discharge outlet 12, be equipped with the second sealing plate 13 connect by bolt seal on the outside of discharge outlet 12, the left and right end cover 3 and
It is equipped with sealing plate 14 between acid cooler shell 1, is bolted on 2 He of the first connecting flange on the outside of the sealing plate 14
Between second connecting flange 4, the acid cooler cathode 6 is sealedly connected on left and right 14 center of sealing plate, described in left and right
It is provided with several on sealing plate 14 and is uniformly looped around the access opening 15 of 6 surrounding of acid cooler cathode, between the access opening 15 of left and right
It is sealedly connected with heat exchanger tube 16, mutually around setting, the heat exchanger tube 16 is located at outside the acid cooler cathode 6 heat exchanger tube 16
Side is provided with mounting groove 17 on the outside of the sealing plate 14 of left and right, is fixedly connected with sealing 18 in the mounting groove 17 of left and right, left and right
The holding tank 19 being opened on the end cover 3 and acid cooler shell 1, the acid cooler shell are equipped on the outside of the sealing 18
The fixed part 20 around 1 outside of acid cooler shell is fixedly connected at left and right sides of 1 lower end, 20 lower end of fixed part is fixedly connected with branch
Fagging 21,21 lower end of support plate are fixedly connected with connecting plate 22, be equipped at left and right sides of 22 upper end of connecting plate respectively with support plate 21
The reinforcing rib 23 that left and right ends are fixedly connected, the 22 lower end front and rear sides of connecting plate are fixedly connected with scroll wheel 24, described close
Envelope portion 18 is made of elastic anti-corrosive rubber material, and 11 upper end of connector described in right end is equipped with the outlet pipe being bolted
25,25 middle-end of outlet pipe is equipped with flowmeter 26, and thermometer 27 and PH meter 28, the outlet pipe are equipped on the outside of the outlet pipe 25
25 tail ends are equipped with the suction side of the first suction pump 29, and the water outlet of first suction pump 29 is sealedly connected with connecting tube 30, even
Reservoir 31 is equipped on the outside of the tail end of adapter tube 30,31 upper end of reservoir is equipped with closed cover 32, is equipped with and is located in the reservoir 31
Insulating layer 33 in each wall of reservoir 31, is equipped with drainpipe 34 on the downside of 31 right end of reservoir, on connector 11 described in left end
End is equipped with the water inlet pipe 35 being bolted, and 35 tail end sealing of water inlet pipe is connected with the water outlet of the second suction pump 36, described
The suction side of second suction pump 36 is sealedly connected with cold water pipe 37, is equipped with water cooling pond 38,38 upper end of water cooling pond on the outside of cold water pipe 37
It is equipped with the return pipe 40 through 38 left wall of water cooling pond equipped with shielding cover 39, on the upside of 38 left end of water cooling pond, the drainpipe 34 and cold
37 left end outer side seal of water pipe is connected with filter device 41, and the filter device 41 includes being sealedly connected on the drainpipe respectively
34 and 37 left end of cold water pipe on the outside of filter sheath 42,42 left end of filter sheath is equipped with water inlet 43, and 43 right end of water inlet is equipped with
The first filter screen 44 positioned at 42 inside of filter sheath, 44 right end of the first filter screen are equipped with the first filtering sponge 45, first mistake
It filters 45 right end of sponge and is equipped with cation exchange resin layer 46,46 right end of cation exchange resin layer is equipped with the second filtering sponge 47,
Second filtering 47 right end of sponge is equipped with the second filter screen 48.
In the use of the present invention, recirculated water passes in and out end cover 3 by connector 11, then pass through sealing plate 14 and access opening
15 enter in heat exchanger tube 16, allow recirculated water that can greatly speed up the heat absorption of recirculated water by several heat exchanger tubes mutually wound 16
The heat that speed and increase recirculated water are absorbed is existed by the first suction pump 29 of control and the second suction pump 36 come control loop water
Flow velocity in heat exchanger tube 16, the recirculated water after heat absorption is entered in reservoir 31 by outlet pipe 25 and the first suction pump 29, then is led to
It crosses drainpipe 34 recirculated water of high temperature is delivered in other heating equipments, recirculated water after heating equipment heat exchange cooling by passing through
Return pipe 40 enters in water cooling pond 38, reenters in circulation finally by cold water pipe 37, the second suction pump 36 and water inlet pipe 35,
The heat exchanger tube 16 for wherein using import specific alloy material, can tolerate 105 DEG C of high-temperature concentrated sulfuric acids, elevation system acid temperature when operation,
Circulating water temperature is correspondinglyd increase to 70-80 DEG C, water flow about 80m3/h after heat exchange, and water temperature and flow can meet winter completely and normally supply
Warm demand.It is computed the heat recycled with this workshop section of the normal production status of practical proof sulfuric acid and is able to achieve heat supply in winter area 100,000
Square metre.
Although the present invention has been illustrated and described with reference to preferred embodiments, this profession ordinary skill
Personnel are it is to be appreciated that within the scope of the claims, can make various variation in form and details.
Claims (5)
1. the anodic protection acid cooler that one kind can heat, including acid cooler shell (1), it is characterized in that: the acid cooler shell (1)
The first connecting flange (2) are equipped on the outside of left and right ends, acid cooler shell (1) left and right ends are equipped with end cover (3), described
The second connecting flange (4) being bolted with the first connecting flange (2) is equipped on the inside of end cover (3), left and right is described close
Two installing ports (5) in left and right are equipped on the outside of sealing end lid (3), left and right the installing port (5) inner seal is connected with positioned at acid cooler
Acid cooler cathode (6) on the inside of shell (1), acid cooler shell (1) the upper end left side are equipped with acid mouth (7), the acid cooler
Acid inlet (8) are equipped on the right side of shell (1) upper end, acid cooler shell (1) the lower end center is equipped with clean-up port (9), cleaning
The first sealing plate (10) connected by bolt seal is equipped on the outside of mouth (9), the left and right end cover (3) upper end is equipped with connection
Mouth (11), the left and right end cover (3) lower end are equipped with discharge outlet (12), are equipped on the outside of discharge outlet (12) and pass through bolt seal company
The second sealing plate (13) connect；
Sealing plate (14) are equipped between the left and right end cover (3) and acid cooler shell (1), it is logical on the outside of the sealing plate (14)
It crosses bolt to be fixed between first connecting flange (2) and the second connecting flange (4), acid cooler cathode (6) sealing connects
It connects and is provided with several on left and right the sealing plate (14) center, the left and right sealing plate (14) and is uniformly looped around acid cooler
The access opening (15) of cathode (6) surrounding is sealedly connected with heat exchanger tube (16), the heat exchanger tube between the left and right access opening (15)
(16) mutually around setting, the heat exchanger tube (16) is located on the outside of the acid cooler cathode (6), and the left and right sealing plate (14) is outside
Side is provided with mounting groove (17), is fixedly connected with sealing (18) in the left and right mounting groove (17), the left and right sealing (18)
Outside is equipped with the holding tank (19) being opened on the end cover (3) and acid cooler shell (1).
2. the anodic protection acid cooler that one kind according to claim 1 can heat, it is characterized in that: the acid cooler shell
(1) fixed part (20) being fixedly connected at left and right sides of lower end on the outside of acid cooler shell (1), fixed part (20) lower end is fixed
It is connected with support plate (21), support plate (21) lower end is fixedly connected with connecting plate (22), is set at left and right sides of connecting plate (22) upper end
There is the reinforcing rib (23) being fixedly connected respectively with support plate (21) left and right ends, connecting plate (22) the lower end front and rear sides are fixed
It is connected with scroll wheel (24).
3. the anodic protection acid cooler that one kind according to claim 1 can heat, it is characterized in that: the sealing (18) is adopted
It is made of elastic anti-corrosive rubber material.
4. the anodic protection acid cooler that one kind according to claim 1 can heat, it is characterized in that: connector described in right end
(11) upper end is equipped with the outlet pipe (25) being bolted, and outlet pipe (25) middle-end is equipped with flowmeter (26), the outlet pipe
(25) outside is equipped with thermometer (27) and PH meter (28), and outlet pipe (25) tail end is equipped with the water suction of the first suction pump (29)
End, the water outlet of first suction pump (29) are sealedly connected with connecting tube (30), are equipped with and are stored on the outside of the tail end of connecting tube (30)
Pond (31), reservoir (31) upper end are equipped with closed cover (32), are equipped in the reservoir (31) and are located at reservoir (31) each wall
Interior insulating layer (33), reservoir (31) the right end downside are equipped with drainpipe (34), and connector (11) upper end described in left end is set
There is the water inlet pipe (35) being bolted, water inlet pipe (35) tail end sealing is connected with the water outlet of the second suction pump (36), institute
The suction side for stating the second suction pump (36) is sealedly connected with cold water pipe (37), is equipped with water cooling pond (38) on the outside of cold water pipe (37), cold
Pond (38) upper end is equipped with shielding cover (39), and the return pipe through water cooling pond (38) left wall is equipped on the upside of water cooling pond (38) left end
(40)。
5. the anodic protection acid cooler that one kind according to claim 4 can heat, it is characterized in that: the drainpipe (34) and
Cold water pipe (37) left end outer side seal is connected with filter device (41), and the filter device (41) includes being sealedly connected on institute respectively
The filter sheath (42) on the outside of drainpipe (34) and cold water pipe (37) left end is stated, filter sheath (42) left end is equipped with water inlet
(43), water inlet (43) right end is equipped with the first filter screen (44) being located on the inside of filter sheath (42), the first filter screen (44) right end
Equipped with the first filtering sponge (45), the first filtering sponge (45) right end is equipped with cation exchange resin layer (46), cation
Exchange resin layer (46) right end is equipped with the second filtering sponge (47), and the second filtering sponge (47) right end is equipped with the second filter screen
(48)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910337464.4A CN110054162A (en) | 2019-04-25 | 2019-04-25 | A kind of anodic protection acid cooler to heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910337464.4A CN110054162A (en) | 2019-04-25 | 2019-04-25 | A kind of anodic protection acid cooler to heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110054162A true CN110054162A (en) | 2019-07-26 |
Family
ID=67320764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910337464.4A Pending CN110054162A (en) | 2019-04-25 | 2019-04-25 | A kind of anodic protection acid cooler to heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110054162A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2428810A1 (en) * | 1978-06-14 | 1980-01-11 | Przed Robot Montazowy | HELICOIDAL HEAT EXCHANGER ESPECIALLY SUITABLE FOR COOLING SULFURIC ACID |
| CA2186557A1 (en) * | 1995-09-29 | 1997-03-30 | Brian M. Burmaster | Double-segmental shell and tube heat exchanger |
| CN2524196Y (en) * | 2001-11-22 | 2002-12-04 | 兰州兴业材料保护有限公司 | High-efficiency anode protection casing type concentrated sulfuric acid cooler |
| CN101078532A (en) * | 2007-06-15 | 2007-11-28 | 淄博建龙化工有限公司 | Method and device for heating using residual heat of sulfuric acid production |
| CN201074869Y (en) * | 2007-06-15 | 2008-06-18 | 淄博建龙化工有限公司 | Device for supplying heat using sulfuric acid production low temperature waste heat |
| CN205561600U (en) * | 2016-04-15 | 2016-09-07 | 南京高源环保工程有限公司 | Take stainless steel shell -and -tube concentrated sulfuric acid cooler of anodic protection |
-
2019
- 2019-04-25 CN CN201910337464.4A patent/CN110054162A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2428810A1 (en) * | 1978-06-14 | 1980-01-11 | Przed Robot Montazowy | HELICOIDAL HEAT EXCHANGER ESPECIALLY SUITABLE FOR COOLING SULFURIC ACID |
| CA2186557A1 (en) * | 1995-09-29 | 1997-03-30 | Brian M. Burmaster | Double-segmental shell and tube heat exchanger |
| CN2524196Y (en) * | 2001-11-22 | 2002-12-04 | 兰州兴业材料保护有限公司 | High-efficiency anode protection casing type concentrated sulfuric acid cooler |
| CN101078532A (en) * | 2007-06-15 | 2007-11-28 | 淄博建龙化工有限公司 | Method and device for heating using residual heat of sulfuric acid production |
| CN201074869Y (en) * | 2007-06-15 | 2008-06-18 | 淄博建龙化工有限公司 | Device for supplying heat using sulfuric acid production low temperature waste heat |
| CN205561600U (en) * | 2016-04-15 | 2016-09-07 | 南京高源环保工程有限公司 | Take stainless steel shell -and -tube concentrated sulfuric acid cooler of anodic protection |
Non-Patent Citations (4)
| Title |
|---|
| 上海核工程研究设计院译: "《核电厂材料》", 31 January 2017 * |
| 武汉水利电力学院电厂化学教研室编: "《热力发电厂水处理 下册 修订本》", 30 April 1985 * |
| 赵奎霞主编: "《水处理工程（第二版）》", 31 August 2008 * |
| 陈匡民主编: "《过程装备腐蚀与防护》", 30 June 2001 * |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190726 |