CN204902639U - Heat exchanger and have its aluminium oxide production system - Google Patents
Heat exchanger and have its aluminium oxide production system Download PDFInfo
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- CN204902639U CN204902639U CN201520551445.9U CN201520551445U CN204902639U CN 204902639 U CN204902639 U CN 204902639U CN 201520551445 U CN201520551445 U CN 201520551445U CN 204902639 U CN204902639 U CN 204902639U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model provides a heat exchanger and have its aluminium oxide production system. The heat exchanger includes: the heat transfer unit has a plurality of heat exchange tubes of mutual intercommunication, has the heat transfer passageway in every heat exchange tube, preventing stifled distributor box, preventing that stifled distributor box sets up in the tip of heat transfer unit, the heat exchange tube is linked together with preventing stifled distributor box. Preventing stifled distributor box because the tip at the heat transfer unit has set up, preventing that stifled distributor box space is great, the inside blind spot that does not have easy scale deposit guarantees that the pipeline is unblocked. The utility model discloses a heat exchanger and have its aluminium oxide production system can effectively prevent the jam of pipeline. And then ground, improve heat exchange efficiency.
Description
Technical field
The utility model relates to chemical field, in particular to a kind of heat exchanger and the alumina producing system with it.
Background technology
At present, in aluminum oxide production process, in decomposition of crystal seed groove, the cooling of liquid-solid mixture material mainly adopts the equipment such as broad passage plate heat exchanger, spiral heat exchanger, cold and hot phase thermal energy exchange is realized with water relative flowing in equipment by material, to reduce the temperature of material in decomposer, reach process control needs.
But these equipment material phases and aqueous phase (heat, cold phase) are totally-enclosed structure, because the higher and solution properties of material phase solids content determined, the side of material phase very easily forms fouling or buildup, causes material handling capacity to reduce and heat exchange efficiency reduction.Again because the cold and hot two-phase of equipment is closed structure, the fouling formed and buildup are difficult to remove, and very easily cause equipment scrapping not in time because blocking rear cleaning.And even if cleaning in time, heat exchanger inside exists dead band, less cleaning, after service time is long, also runner can be blocked.Simultaneously, the hot and cold phase materials of material-heat-exchanging process of these equipment all needs to adopt pump for conveying, not only consume a large amount of electric energy, and because heat is mutually containing solid, by pump for conveying, flow velocity is very fast, equipment leakage easy to wear, and this wear and leakage cannot be repaired, cause significantly shorten equipment life.
Utility model content
Main purpose of the present utility model is to provide a kind of alumina producing system that effectively can prevent the heat exchanger of pipeline blockage and have it.
To achieve these goals, according to an aspect of the present utility model, provide a kind of heat exchanger, comprising: heat exchange unit, there are the multiple heat exchanger tubes be interconnected, in each heat exchanger tube, there is heat exchanger channels; Anti-blocking distributor box, anti-blocking distributor box is arranged at the end of heat exchange unit, and heat exchanger tube is connected with anti-blocking distributor box.
Further, be provided with dividing plate in the container cavity of anti-blocking distributor box container cavity to be divided into multiple anti-blocking chamber, multiple anti-blocking chamber is connected respectively with heat exchanger tube.
Further, heat exchanger tube includes water inlet end and water side, is connected respectively from different anti-blocking chambeies.
Further, multiple heat exchanger tube is multiple straight tubes be arranged in parallel, and anti-blocking distributor box is two, and an anti-blocking distributor box is connected with the water inlet end of multiple heat exchanger tube, and another anti-blocking distributor box is connected with the water side of multiple heat exchanger tube.
Further, anti-blocking distributor box is one, each heat exchanger tube is U-shaped pipe, and U-shaped pipe has water inlet end with water side and is connected from different anti-blocking chambeies.
Further, anti-blocking distributor box is provided with water inlet pipe and outlet pipe.
Further, multiple heat exchanger tube is coiled pipe, and multiple coiled pipe interval is arranged.
Further, multiple heat exchanger tube is ring pipe, and multiple ring pipe interval is arranged.
Further, heat exchanger also comprises fixing support rack, and fixing support rack is fixedly connected with anti-blocking distributor box.
Further, anti-blocking distributor box comprises the first anti-blocking distributor box and the second anti-blocking distributor box that are connected by multiple heat exchanger tube, N+1 dividing plate is provided with in first anti-blocking distributor box, N number of dividing plate is provided with in second anti-blocking distributor box, any one dividing plate in second anti-blocking distributor box in the first anti-blocking distributor box between arbitrary neighborhood two dividing plates to make the working medium in heat exchanger tube alternately across the anti-blocking chamber of two anti-blocking distributor boxes, the water inlet pipe of heat exchanger and outlet pipe are all arranged on the first anti-blocking distributor box, wherein, N is natural number.
Further, in the first anti-blocking distributor box, be provided with three dividing plates, formed to make the first anti-blocking distributor box be connected by heat exchanger tube the first anti-blocking chamber, the second anti-blocking chamber and the 3rd anti-blocking chamber, the 4th anti-blocking chamber; Two dividing plates are provided with, with the 5th anti-blocking chamber making the second anti-blocking distributor box formation be connected by heat exchanger tube, the 6th anti-blocking chamber and the 7th anti-blocking chamber in second anti-blocking distributor box; Water inlet pipe is arranged on the first anti-blocking chamber, and outlet pipe is arranged on the 4th anti-blocking chamber, flows through the first anti-blocking chamber, the 5th anti-blocking chamber, the second anti-blocking chamber, the 6th anti-blocking chamber, the 3rd anti-blocking chamber, the 7th anti-blocking chamber and the 4th anti-blocking chamber successively to make working medium.
According to another aspect of the present utility model, additionally provide a kind of alumina producing system, comprise decomposition of crystal seed groove and heat exchanger, heat exchanger is arranged to carry out heat exchange to material in the material in decomposition of crystal seed groove, and wherein, heat exchanger is aforesaid heat exchanger.
Further, heat exchanger is fixedly installed on the cell wall of decomposition of crystal seed groove.
Application the technical solution of the utility model, owing to being provided with anti-blocking distributor box in the end of heat exchange unit, anti-blocking distributor box space is comparatively large, and inner do not exist the dead band being easy to fouling, ensures that pipeline is unimpeded.Heat exchanger of the present utility model and the alumina producing system with it effectively can prevent the blocking of pipeline.And then ground, improve heat exchange efficiency.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of the first embodiment according to heat exchanger of the present utility model;
Fig. 2 shows the structural representation of the second embodiment according to heat exchanger of the present utility model;
Fig. 3 shows the structural representation of the third embodiment according to heat exchanger of the present utility model; And
Fig. 4 shows the structural representation of the 4th kind of embodiment according to heat exchanger of the present utility model.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As shown in Figure 1, the utility model provides a kind of heat exchanger.
Particularly, heat exchanger comprises heat exchange unit 10 and anti-blocking distributor box 20.Heat exchange unit 10 has the multiple heat exchanger tubes 11 be interconnected, and has heat exchanger channels 12 in each heat exchanger tube 11.Anti-blocking distributor box 20 is arranged at the end of heat exchange unit 10, and heat exchanger tube 11 is connected with anti-blocking distributor box 20.Heat exchanger tube 11 forms the most basic unit of heat exchanger, and its inside can be aqueous phase, and heat exchange water is in internal flow.Its external open, Flow of Goods and Materials carries out heat exchange by the water of pipe outer wall and the inside.
The end of heat exchange unit 10 is provided with anti-blocking distributor box 20, and the space of anti-blocking distributor box 20 is comparatively large, and its inside does not exist the dead band being easy to fouling, can ensure that pipeline is unimpeded.And then ground, can heat exchange efficiency be improved.
As shown in Figure 1, be provided with dividing plate 21 in the container cavity of anti-blocking distributor box 20 container cavity to be divided into multiple anti-blocking chamber, multiple anti-blocking chamber is connected respectively with heat exchanger tube 11.Multiple anti-blocking chamber is by the mutually isolated one-tenth of dividing plate 21 independently space separately, and multiple anti-blocking chamber is connected by heat exchanger tube 11.
As shown in Figures 1 to 4, heat exchanger tube 11 includes water inlet end and water side, is connected respectively from different anti-blocking chambeies.Working medium in heat exchanger tube 11 such as water, is entered by the water inlet end of heat exchanger tube 11, then is flowed out by the water side of heat exchanger tube 11, and therefore, the circulation in order to working medium is smooth and easy and circulate, and the water inlet end of heat exchanger tube 11 is connected with different anti-blocking chambeies from the water side of heat exchanger tube 11.
As shown in Figure 1, the utility model provides a kind of embodiment, and multiple heat exchanger tube 11 is multiple straight tubes be arranged in parallel, and anti-blocking distributor box 20 is two.An anti-blocking distributor box 20 is connected with the water inlet end of multiple heat exchanger tube 11, and another anti-blocking distributor box 20 is connected with the water side of multiple heat exchanger tube 11.Gap between each heat exchanger tube 11 is material phase passage, owing to being open type, when needing the Flow of Goods and Materials of cooling through material phase passage, namely with pipe heat pipe 11 surface contact, realizes the heat exchanging process of hot and cold phase.
The two ends of heat exchange unit 10 all connect respective anti-blocking distributor box 20, and all heat exchanger tubes 11 of heat exchange unit 10 link together by anti-blocking distributor box 20, form complete airtight aqueous phase passage.By the dividing plate 21 installed in proportion in anti-blocking distributor box 20, change the direction of water, that is, part heat exchanger tube 11 and the water of another part heat exchanger tube 11 are flow in contrary direction, make water can by certain speed snakelike flowing in heat exchanger.Meanwhile, the end of anti-blocking distributor box 20 is installed into water pipe 30 and outlet pipe 40 respectively, can be connected with supporting outer net water source.
As shown in Figure 2, in another embodiment, anti-blocking distributor box 20 is one, and each heat exchanger tube 11 is U-shaped pipe, and U-shaped pipe has water inlet end and water side, and water inlet end is connected from different anti-blocking chambeies with water side.
As shown in Figure 3, going back in an embodiment, multiple heat exchanger tubes 11 are the heat exchanger of coiled pipe, and wherein, multiple coiled pipe intervals are arranged.
As shown in Figure 4, In yet another embodiment, multiple heat exchanger tubes 11 are the heat exchanger of ring pipe, and wherein, multiple ring pipe interval is arranged.
As depicted in figs. 1 and 2, heat exchanger also comprises fixing support rack 70, and fixing support rack 70 is fixedly connected with anti-blocking distributor box 20.
Further, anti-blocking distributor box 20 comprises the first anti-blocking distributor box 22 and the second stifled distributor box 23 be connected by multiple heat exchanger tube 11.N+1 dividing plate 21 is provided with in first anti-blocking distributor box 20, N number of dividing plate 21 is provided with in second anti-blocking distributor box 23, any one dividing plate 21 in second anti-blocking distributor box 23 in the first anti-blocking distributor box 22 between arbitrary neighborhood two dividing plates 21 to make the working medium in heat exchanger tube 11 alternately across the anti-blocking chamber of two anti-blocking distributor boxes 20, the water inlet pipe 30 of heat exchanger and outlet pipe 40 are all arranged on the first anti-blocking distributor box 22, wherein, N is natural number.
Preferably, as shown in Figure 1, in the first anti-blocking distributor box 22, be provided with three dividing plates 21, formed to make the first anti-blocking distributor box 22 be connected by heat exchanger tube 11 the first anti-blocking chamber 22a, the second anti-blocking chamber 22b and the 3rd anti-blocking chamber 22c, the 4th anti-blocking chamber 22d.Be provided with two dividing plates 21 in second anti-blocking distributor box 23, form the 5th anti-blocking chamber 23a, the 6th anti-blocking chamber 23b and the 7th anti-blocking chamber 23c that are connected by heat exchanger tube 11 to make the second anti-blocking distributor box 23.Water inlet pipe 30 is arranged on the first anti-blocking chamber 22a, outlet pipe 40 is arranged on the 4th anti-blocking chamber 22d, flows through the first anti-blocking chamber 22a, the 5th anti-blocking chamber 23a, the second anti-blocking chamber 22b, the 6th anti-blocking chamber 23b, the 3rd anti-blocking chamber 22c, the 7th anti-blocking chamber 23c and the 4th anti-blocking chamber 22d successively to make working medium.
The utility model additionally provides a kind of alumina producing system, and this system comprises decomposition of crystal seed groove 50 and heat exchanger 60.Heat exchanger 60 is arranged to carry out heat exchange to material in the material in decomposition of crystal seed groove 50, and wherein, heat exchanger 60 is the heat exchanger in previous embodiment.Further, heat exchanger 60 is fixedly installed on the cell wall of decomposition of crystal seed groove 50.As shown in Figure 4, equipment material phase and aqueous phase (heat, cold phase) are not totally-enclosed structures, and material handling capacity improves, heat exchange efficiency improves.The fouling formed and buildup are easily removed, and avoid and cause the problem of equipment scrapping to occur not in time because blocking rear cleaning.There is not dead band in heat exchanger, easy to clean, after service time is long, also there will not be runner to block phenomenon.
Heat exchanger 60 in alumina producing system is installed in alumina seed groove (i.e. decomposition of crystal seed groove 50), and heat exchanger tube 11 can be straight tube, bend pipe, snakelike, special pipe, also can adopt all metallic conduit types such as finned pipe, bellows.Heat exchanger 60 is arranged on the cell wall of decomposition of crystal seed groove 50, is immersed in groove below liquid level, not easily oxidation corrosion, less scaling, can the extension device life-span.And the motion of material phase materials in heat transfer process carries by means of trough and stirs power realization, does not need to reoffer other power.
The utility model additionally provides a kind of preferred embodiment, specific as follows:
Heat exchange unit 10 is that the pipeline be made up of 1 or some metal materials and heat exchanger tube 11 form, and the two ends of heat exchange unit 10 are connected with anti-blocking distributor box 20, connecting portion side seam full weld.Pipeline and heat exchanger tube 11 are communicated with the container cavity of anti-blocking distributor box 20 and form aqueous phase passage that is airtight and that each container cavity can be made to be interconnected and formed.Anti-blocking distributor box 20 is the casings having container cavity formulated by metal or alloy material, dividing plate 21 can be installed additional in the middle of container cavity, the container cavity of anti-blocking distributor 20 is made to be separated into multiple independently anti-blocking chamber, by adjusting the installation site of dividing plate 21, the conservative control of aqueous phase water velocity and flow can be realized, avoid impurities in water deposit and slow down scarring speed.And current aspect can be changed, enable the water in aqueous phase present the S shape type of flow, improve heat transfer effect.Anti-blocking distributor box 20 is provided with water inlet pipe 30 and outlet pipe 40, and water inlet pipe 30 is all connected with water pipeline with outlet pipe 40, realizes heat exchanger 60 confession, draining.Anti-blocking distributor box 20 and heat exchange unit 10 form heat exchanger 60 main body aqueous phase, in order to ensure bulk strength and convenient installation and the transport etc. of heat exchanger 60 main body, anti-blocking distributor box 20 is coupled together by angle steel or the material such as channel-section steel, steel plate, as the framework of heat exchanger 60, anchor (bolt) hole and suspension hook or plate can be established above to strengthen gusset etc.Anti-blocking distributor box 20 jiaos of ends can establish anchor (bolt) hole, when installing for heat exchanger 60 and fixing support rack 70 fix.Gap between each heat exchanger tube 11 is material phase passage, owing to being open type, when needing the Flow of Goods and Materials of cooling through material phase passage, namely with pipe heat pipe 11 surface contact, realizes the heat exchanging process of hot and cold phase.
And then ground, when reality uses, can the in parallel and tandem compound use by multiple Heat Exchanger 60 equipment.
During use, on the inwall that separate unit or multiple stage heat exchanger 60 equipment are arranged on decomposition of crystal seed groove 50 and cell wall, heat exchanger 60 to be immersed in groove below liquid level.The installation form of each single device is versatile and flexible, can vertically, the mode such as level or inclination installs, also can utilize space in groove as far as possible, adopt special-shaped equipment, install between two-layer stirring, meet the needs of large liquid measure cooling.Be connected by intake outward water source tube and outlet pipe 40 of water inlet pipe on equipment 30 and outlet pipe 40 and heat exchanger tube 11 and groove, send again after cold phase water is sent into equipment, heat exchange.Need the material of cooling agitating device flows by action in groove to move through heat exchanger 60 material phase passage, by heat exchanger tube 11 surface contact with heat exchange unit 10, carry out heat exchange with aqueous phase in heat exchanger 60, thus realize material cooling.Can connect between multiple stage heat exchanger 60, also can in parallelly use.When the field condition water yield is sufficient, can consider to adopt parallel form, to reduce heat exchanger 60 quantity, reduce investment.When the water yield is under-supply, can cascade being adopted, making up the problem of water shortage by increasing heat exchanger 60 quantity (increase area).Cooling extent is generally realized by the Valve controlling water yield size on groove outer water source water pipe.
As can be seen from the above description, the utility model the above embodiments achieve following technique effect:
Owing to being provided with anti-blocking distributor box 20 in the end of heat exchange unit 10, anti-blocking distributor box 20 space is comparatively large, and inner do not exist the dead band being easy to fouling, ensures that pipeline is unimpeded.Heat exchanger 60 of the present utility model and the alumina producing system with it effectively can prevent the blocking of pipeline.And then ground, improve heat exchange efficiency.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (13)
1. a heat exchanger, is characterized in that, comprising:
Heat exchange unit (10), has the multiple heat exchanger tubes (11) be interconnected, and has heat exchanger channels (12) in each described heat exchanger tube (11);
Anti-blocking distributor box (20), described anti-blocking distributor box (20) is arranged at the end of described heat exchange unit (10), and described heat exchanger tube (11) is connected with described anti-blocking distributor box (20).
2. heat exchanger according to claim 1, it is characterized in that, be provided with dividing plate (21) in the container cavity of described anti-blocking distributor box (20) so that described container cavity is divided into multiple anti-blocking chamber, described multiple anti-blocking chamber is connected respectively with described heat exchanger tube (11).
3. heat exchanger according to claim 2, is characterized in that, described heat exchanger tube (11) includes water inlet end and water side, is connected respectively from different described anti-blocking chambeies.
4. heat exchanger according to claim 3, it is characterized in that, described multiple heat exchanger tube (11) is multiple straight tube be arranged in parallel, described anti-blocking distributor box (20) is two, a described anti-blocking distributor box (20) is connected with the water inlet end of described multiple heat exchanger tube (11), and anti-blocking distributor box (20) described in another is connected with the water side of described multiple heat exchanger tube (11).
5. heat exchanger according to claim 3, it is characterized in that, described anti-blocking distributor box (20) is one, each described heat exchanger tube (11) is U-shaped pipe, and described U-shaped pipe has described water inlet end with described water side and is connected from different described anti-blocking chambeies.
6. heat exchanger according to claim 1, is characterized in that, described anti-blocking distributor box (20) is provided with water inlet pipe (30) and outlet pipe (40).
7. heat exchanger according to claim 1, is characterized in that, described multiple heat exchanger tube (11) is coiled pipe, and multiple described coiled pipe interval is arranged.
8. heat exchanger according to claim 1, is characterized in that, described multiple heat exchanger tube (11) is ring pipe, and multiple described ring pipe interval is arranged.
9. heat exchanger according to claim 1, is characterized in that, described heat exchanger also comprises fixing support rack (70), and described fixing support rack (70) is fixedly connected with described anti-blocking distributor box (20).
10. heat exchanger according to claim 3, it is characterized in that, described anti-blocking distributor box (20) comprises the first anti-blocking distributor box (22) and the second anti-blocking distributor box (23) that are connected by described multiple heat exchanger tube (11), N+1 described dividing plate (21) is provided with in described first anti-blocking distributor box (22), N number of described dividing plate (21) is provided with in described second anti-blocking distributor box (23), dividing plate (21) described in any one in described second anti-blocking distributor box (23) is arranged between described first anti-blocking distributor box (22) arbitrary neighborhood two described dividing plates (21) to make the working medium of described heat exchanger tube (11) alternately across the described anti-blocking chamber of described two anti-blocking distributor boxes (20), the water inlet pipe (30) of described heat exchanger and outlet pipe (40) are all arranged on described first anti-blocking distributor box (22), wherein, N is natural number.
11. heat exchangers according to claim 10, it is characterized in that, three described dividing plates (21) are provided with, with the first anti-blocking chamber (22a) making described first anti-blocking distributor box (22) be formed to be connected by described heat exchanger tube (11), the second anti-blocking chamber (22b) and the 3rd anti-blocking chamber (22c), the 4th anti-blocking chamber (22d) in described first anti-blocking distributor box (22); Two described dividing plates (21) are provided with, with the 5th anti-blocking chamber (23a) making described second anti-blocking distributor box (23) formation be connected by described heat exchanger tube (11), the 6th anti-blocking chamber (23b) and the 7th anti-blocking chamber (23c) in described second anti-blocking distributor box (23); Described water inlet pipe (30) is arranged on described first anti-blocking chamber (22a), described outlet pipe (40) is arranged on described 4th anti-blocking chamber (22d), flows through described first anti-blocking chamber (22a), the 5th anti-blocking chamber (23a), the second anti-blocking chamber (22b), the 6th anti-blocking chamber (23b), the 3rd anti-blocking chamber (22c), the 7th anti-blocking chamber (23c) and the 4th anti-blocking chamber (22d) successively to make described working medium.
12. 1 kinds of alumina producing systems, it is characterized in that, comprise decomposition of crystal seed groove (50) and heat exchanger (60), described heat exchanger (60) is arranged in the material in described decomposition of crystal seed groove (50) to carry out heat exchange to described material, wherein, described heat exchanger (60) heat exchanger according to any one of claim 1 to 11.
13. alumina producing systems according to claim 12, is characterized in that, described heat exchanger (60) is fixedly installed on the cell wall of described decomposition of crystal seed groove (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520551445.9U CN204902639U (en) | 2015-07-27 | 2015-07-27 | Heat exchanger and have its aluminium oxide production system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520551445.9U CN204902639U (en) | 2015-07-27 | 2015-07-27 | Heat exchanger and have its aluminium oxide production system |
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| CN204902639U true CN204902639U (en) | 2015-12-23 |
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| CN201520551445.9U Active CN204902639U (en) | 2015-07-27 | 2015-07-27 | Heat exchanger and have its aluminium oxide production system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106152101A (en) * | 2016-08-20 | 2016-11-23 | 江苏太湖锅炉股份有限公司 | A kind of square combination formula coil burner hearth is heated the burner hearth of cellular construction and composition thereof |
| CN106196150A (en) * | 2016-08-20 | 2016-12-07 | 江苏太湖锅炉股份有限公司 | A kind of circular group box-like coil burner hearth is heated the burner hearth of cellular construction and composition thereof |
| CN115893460A (en) * | 2022-11-23 | 2023-04-04 | 中铝矿业有限公司 | Method and device for reducing separation of oxalate impurities in seed precipitation tank |
-
2015
- 2015-07-27 CN CN201520551445.9U patent/CN204902639U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106152101A (en) * | 2016-08-20 | 2016-11-23 | 江苏太湖锅炉股份有限公司 | A kind of square combination formula coil burner hearth is heated the burner hearth of cellular construction and composition thereof |
| CN106196150A (en) * | 2016-08-20 | 2016-12-07 | 江苏太湖锅炉股份有限公司 | A kind of circular group box-like coil burner hearth is heated the burner hearth of cellular construction and composition thereof |
| CN115893460A (en) * | 2022-11-23 | 2023-04-04 | 中铝矿业有限公司 | Method and device for reducing separation of oxalate impurities in seed precipitation tank |
| CN115893460B (en) * | 2022-11-23 | 2024-04-02 | 中铝矿业有限公司 | Method and device for reducing precipitation of oxalate impurities in seed precipitation tank |
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