CN111499050A - Reclaimed water recycling device for waste water produced in graphite heat exchanger - Google Patents
Reclaimed water recycling device for waste water produced in graphite heat exchanger Download PDFInfo
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- CN111499050A CN111499050A CN202010455630.3A CN202010455630A CN111499050A CN 111499050 A CN111499050 A CN 111499050A CN 202010455630 A CN202010455630 A CN 202010455630A CN 111499050 A CN111499050 A CN 111499050A
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- 229910001868 water Inorganic materials 0.000 title claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 239000002351 wastewater Substances 0.000 title claims abstract description 37
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000010439 graphite Substances 0.000 title claims abstract description 23
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 23
- 238000004064 recycling Methods 0.000 title claims abstract description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 75
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 63
- 239000007788 liquid Substances 0.000 claims abstract description 53
- 238000005406 washing Methods 0.000 claims abstract description 53
- 239000002699 waste material Substances 0.000 claims abstract description 52
- 239000004576 sand Substances 0.000 claims abstract description 38
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 32
- 238000011010 flushing procedure Methods 0.000 claims abstract description 23
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 19
- 238000004069 wastewater sedimentation Methods 0.000 claims abstract description 15
- 238000010411 cooking Methods 0.000 claims abstract description 14
- 239000003513 alkali Substances 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 10
- 239000010842 industrial wastewater Substances 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 235000020681 well water Nutrition 0.000 claims description 4
- 239000002349 well water Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004065 wastewater treatment Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000008394 flocculating agent Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000009287 sand filtration Methods 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 2
- 229910001634 calcium fluoride Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000008235 industrial water Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 229910000020 calcium bicarbonate Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/101—Sulfur compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
- C02F2101/14—Fluorine or fluorine-containing compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a reclaimed water recycling device for production wastewater of a graphite heat exchanger, which comprises a flushing waste liquid drainage port arranged in a flushing workshop and an alkaline washing waste liquid drainage port arranged in an alkaline washing cooking workshop, wherein a flushing waste liquid water collecting tank and an alkaline washing waste liquid water collecting tank are respectively arranged below the flushing waste liquid drainage port and the alkaline washing waste liquid drainage port; wherein wash the waste liquid water catch bowl through pipe connection have calcium carbonate sand filter channel, wash the waste liquid water catch bowl with alkaline through pipe connection have silica sand filter channel, between calcium carbonate sand filter channel and the silica sand filter channel through pipe connection, the one end of silica sand filter channel has the waste water sedimentation tank through pipe connection, the one end of waste water sedimentation tank has the normal water cistern through pipe connection, the normal water cistern through pipe connection has the high-order jar, the high-order jar with wash the workshop and wash the workshop with alkaline through pipe connection. The invention has the characteristics of simple wastewater treatment process, good treatment effect and favorable utilization.
Description
Technical Field
The invention relates to a wastewater recycling device, in particular to a reclaimed water recycling device for production wastewater of a graphite heat exchanger.
Background
The graphite heat exchanger needs a large amount of industrial water in the production and manufacturing process, particularly when old equipment is returned to a factory for maintenance, a certain amount of residual media permeates into the material due to the characteristics of the graphite material, and sometimes a certain amount of residual media needs to be treated, wherein the residual media are generally acid-containing media, such as sulfuric acid, hydrochloric acid, hydrofluoric acid and the like.
When the graphite equipment is repaired, the equipment needs to be cleaned firstly, and the cleaning process comprises the process steps of washing, alkali liquor cooking, drying, mechanical cleaning, dipping, curing and the like. The main components of the equipment washing wastewater are acidic substances such as sulfuric acid, hydrochloric acid and hydrofluoric acid, a large amount of alkaline washing wastewater is generated in the alkaline washing cooking process, and the main component is sodium hydroxide.
In recent years, the national industrial economy is rapidly developed, the scale of enterprises is continuously enlarged, and great pressure is brought to water supply resources and environment. In the production process of Guizhou Lanxin graphite equipment manufacturing limited company, about 8 million tons of production wastewater is generated every year, great economic and environmental protection pressure is caused to enterprises, and the technical problem which needs to be solved by the enterprises is how to solve the problems of treatment and recovery of the production wastewater at low cost.
Disclosure of Invention
The invention aims to adopt a targeted technology aiming at the production characteristics of the graphite heat exchanger. Provides a reclaimed water recycling device for the production wastewater of the graphite heat exchanger. The invention has the characteristics of simple wastewater treatment process, good treatment effect and favorable utilization.
The technical scheme of the invention is as follows: a reclaimed water recycling device for production wastewater of a graphite heat exchanger comprises a flushing waste liquid drainage port arranged in a flushing workshop and an alkaline washing waste liquid drainage port arranged in an alkaline washing cooking workshop, wherein a flushing waste liquid collecting tank and an alkaline washing waste liquid collecting tank are respectively arranged below the flushing waste liquid drainage port and the alkaline washing waste liquid drainage port; wherein wash the waste liquid water catch bowl through pipe connection have calcium carbonate sand filter channel, wash the waste liquid water catch bowl with alkaline through pipe connection have silica sand filter channel, between calcium carbonate sand filter channel and the silica sand filter channel through pipe connection, the one end of silica sand filter channel has the waste water sedimentation tank through pipe connection, the one end of waste water sedimentation tank has the normal water cistern through pipe connection, the normal water cistern through pipe connection has the high-order jar, the high-order jar with wash the workshop and wash the workshop with alkaline through pipe connection.
According to the reclaimed water recycling device for the production wastewater of the graphite heat exchanger, the roofs of the washing workshop and the alkaline washing cooking workshop are provided with the rainwater collecting tanks, and the rainwater collecting tanks are respectively connected with the washing waste liquid collecting tank and the alkaline washing waste liquid collecting tank through the drain pipes. In the using process of the waste water, the waste water is volatilized, lost and the like; actual recovery ratio was about 67%; water balance cannot be achieved; therefore, the reclaimed water recycling device for the production wastewater of the graphite heat exchanger is additionally provided with a rainwater collecting function.
According to the reclaimed water recycling device for the production wastewater of the graphite heat exchanger, the wastewater sedimentation tank is connected with the flocculant storage tank through a pipeline.
According to the reclaimed water recycling device for the production wastewater of the graphite heat exchanger, the calcium carbonate sand filter channel is of a trapezoidal section, the accumulation mode is that the lower-layer particles are 15-30mm, the middle-layer particles are 10-20mm, and the upper-layer particles are 5-15mm, and are accumulated in a wave form along the wastewater flowing direction surface.
In the scheme of the invention, after the flushing waste liquid enters the calcium carbonate sand filter channel, the flushing waste liquid has a neutralization reaction treatment effect on the acidic waste water while being physically filtered, and the reaction process is as follows:
CaCO3+H2SO4＝CaSO4+H2O+CO2↑
calcium sulfate generated by the reaction of sulfuric acid and calcium carbonate is slightly soluble in water and is attached to the surface of the calcium carbonate;
2CaCO3+2HCL＝CaCl2+H2O+CO2↑--------①
2CaCO3+2HCL＝Ca(HCO3)2+CaCl2--------②
the reaction of hydrochloric acid with calcium carbonate is a combination of two equations (② first and ① second, long-term reaction to calcium chloride, carbon dioxide and water);
2HF+CaCO3＝CaF2↓+CO2↑+H2O。
the calcium carbonate and hydrofluoric acid react for a long time to generate grey precipitate which is calcium fluoride and is commonly known as gypsum.
When the washing waste liquid flows out of the calcium carbonate sand filter channel, a small amount of calcium salt flows into the silicon dioxide sand filter channel along with the washing waste liquid, reacts with the alkali washing waste water to generate soluble sodium salt with stable and harmless performance and a small amount of calcium hydroxide alkali liquid, and further enters a waste water sedimentation tank, the main components are alkali and soluble salt, a flocculating agent is added, solid waste is periodically cleaned, the water quality is clear, and the solid waste is alkaline;
the clear water on upper portion is alkaline, when recycling, more does benefit to the use of graphite heat exchanger production, can regard as the flush fluid, also can regard as alkaline solution, does benefit to and washes acidic medium as the flush fluid, and during alkaline washing cooking, reducible alkali raw and other materials's input.
The invention has the advantages of
1. The reclaimed water recovery device filters the wastewater in a calcium carbonate and silicon dioxide sand filtration mode, realizes the purpose of treating the wastewater by using a physical and chemical method, has simple treatment process, better effect and stronger practicability, and has lower operation and maintenance cost of the whole device. The economic problem of water resource recycling is solved, the environmental protection problem of waste water discharge is solved, and the development of the water recycling technology has very important popularization significance.
2. The device can fully treat and recycle the production wastewater, improve the utilization rate of the wastewater, greatly reduce the industrial water consumption of enterprises, reduce the enterprise cost, simultaneously reduce the environmental protection pressure of pollution discharge, save the water cost by about 20 ten thousand tons per 4 yuan per year to 32 ten thousand yuan, and the device is built once and has 16 ten thousand yuan investment, and the investment cost can be recovered in half a year.
3. Through the treatment of the device, the salt content and the alkali content in the reclaimed water reach a balance, the salt concentration of the practical example is kept at 3-5%, and the PH value is kept at 10-11, so that the production and the use of the graphite heat exchanger are facilitated; when the alkali washing and boiling water is used for alkali washing and boiling, 3kg of caustic soda pieces can be saved for each ton of water, and 3 ten thousand yuan of capital is saved each year.
4. According to the invention, the rainwater collecting tanks are arranged on the roofs of the washing workshop and the alkaline washing cooking workshop, so that rainwater is collected into the wastewater recovery system, water loss caused by evaporation is made up to the greatest extent, the water supplement amount is reduced, and the production cost of an enterprise is reduced.
5. According to the invention, through the structural optimization design of the calcium carbonate sand filter channel, the trapezoid cross section is adopted, and the calcium carbonate with lower granularity is arranged on the upper layer, so that the calcium carbonate and the wastewater are promoted to flow into the silica sand filter channel together while large particles are filtered, and the wastewater treatment effect is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a front view of a calcium carbonate sand channel;
figure 3 is a side view of a calcium carbonate sand screen.
Description of reference numerals: 1-washing workshop, 2-alkali washing cooking workshop, 3-washing waste liquid drainage port, 4-washing waste liquid collecting tank, 5-alkali washing waste liquid drainage port, 6-alkali washing waste liquid collecting tank, 7-calcium carbonate sand filtering channel, 8-silicon dioxide sand filtering channel, 9-waste water sedimentation tank, 10-reclaimed water reservoir, 11-overhead tank, 12-rainwater collecting tank, 13-drainage pipe and 14-flocculating agent storage tank.
Detailed Description
The present invention is further illustrated by the following examples, which are not to be construed as limiting the invention.
Examples of the invention
A reclaimed water recycling device for waste water produced by a graphite heat exchanger can design and build an industrial waste water collecting system and a rainwater collecting and supplementing system according to the actual conditions of a graphite heat exchanger production plant and according to local conditions. The process route is as follows: the collected wastewater is treated by primary sand filtration (calcium carbonate), secondary sand filtration (silicon dioxide), pH value adjustment, purification, precipitation and the like; the water quality meets the water standard required by production again, and the water is recycled in the production line for recycling. As shown in attached figures 1-3, the device comprises a flushing waste liquid drainage port 3 arranged in a flushing workshop 1 and an alkaline washing waste liquid drainage port 5 arranged in an alkaline washing cooking workshop 2, wherein a flushing waste liquid water collection tank 4 and an alkaline washing waste liquid water collection tank 6 are respectively arranged below the flushing waste liquid drainage port 3 and the alkaline washing waste liquid drainage port 5; wherein wash waste liquid water catch bowl 4 through the pipe connection have calcium carbonate sand filter canal 7, wash waste liquid water catch bowl 6 with alkaline through the pipe connection have silica sand filter canal 8, through the pipe connection between calcium carbonate sand filter canal 7 and the silica sand filter canal 8, the one end of silica sand filter canal 8 has waste water sedimentation tank 9 through the pipe connection, the one end of waste water sedimentation tank 9 has well water cistern 10 through the pipe connection, well water cistern 10 has high-order jar 11 through the pipe connection, high-order jar 11 with wash workshop 1 and wash 2 through the pipe connection with alkaline.
After the graphite equipment finishes flushing in the flushing workshop 1, flushing waste liquid flows into a flushing waste liquid collecting tank 4 from a flushing waste liquid drain 3 and flows into a calcium carbonate sand filtering channel 7 for physical and chemical filtering; meanwhile, the alkaline washing waste liquid in the alkaline washing cooking workshop 2 flows into an alkaline washing waste liquid collecting tank 6 through an alkaline washing waste liquid drainage port 5 and flows into a silica sand filtering channel 8 to complete physical filtering, the wastewater flowing into the silica sand filtering channel 8 through a calcium carbonate sand filtering channel 7 is further reacted with a small amount of calcium carbonate contained in the wastewater to complete the treatment of the wastewater, the wastewater flows into a wastewater sedimentation tank 9 to complete sedimentation, and upper clear water enters a reclaimed water reservoir 10 and is pumped into a high-level tank 11 through a water pump to be used for processing in the washing workshop 1 and the alkaline washing cooking workshop 2 when needed.
The roofs of the washing workshop 1 and the alkaline washing cooking workshop 2 are provided with rainwater collecting tanks 12, the rainwater collecting tanks 12 are respectively connected with the washing waste liquid collecting tank 4 and the alkaline washing waste liquid collecting tank 6 through drain pipes 13, and when raining, rainwater can be collected and merged into the wastewater recycling system of the invention to supplement the water lost by evaporation.
The wastewater sedimentation tank 9 is connected with a flocculating agent storage tank 14 through a pipeline, so that a flocculating agent can be conveniently added into the wastewater sedimentation tank 9.
The calcium carbonate sand filter channel 7 is of a trapezoidal section, the stacking mode is that the lower layer particles are 15-30mm, the middle layer particles are 10-20mm, and the upper layer particles are 5-15mm, and the calcium carbonate sand filter channel is stacked in a wave form along the wastewater flowing direction surface.
The above description is only for the purpose of illustrating the present invention and the appended claims, and the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (4)
1. The utility model provides a reuse of reclaimed water device of graphite heat exchanger waste water which characterized in that: the device comprises a flushing waste liquid drainage port (3) arranged in a flushing and washing workshop (1) and an alkali washing waste liquid drainage port (5) arranged in an alkali washing and cooking workshop (2), wherein a flushing waste liquid water collecting tank (4) and an alkali washing waste liquid water collecting tank (6) are respectively arranged below the flushing waste liquid drainage port (3) and the alkali washing waste liquid drainage port (5); wherein wash waste liquid water catch bowl (4) through the pipe connection have calcium carbonate sand filter canal (7), wash waste liquid water catch bowl (6) with alkaline through the pipe connection have silica sand filter canal (8), through the pipe connection between calcium carbonate sand filter canal (7) and silica sand filter canal (8), the one end of silica sand filter canal (8) has waste water sedimentation tank (9) through the pipe connection, the one end of waste water sedimentation tank (9) has well water cistern (10) through the pipe connection, well water cistern (10) through the pipe connection have high-order jar (11), high-order jar (11) with wash car room (1) and wash with alkaline and boil workshop (2) through the pipe connection.
2. The reclaimed water recycling device for the industrial wastewater of the graphite heat exchanger according to claim 1, characterized in that: the roof of the washing workshop (1) and the alkaline washing cooking workshop (2) is provided with a rainwater collecting tank (12), and the rainwater collecting tank (12) is respectively connected with a washing waste liquid collecting tank (4) and an alkaline washing waste liquid collecting tank (6) through a drain pipe (13).
3. The reclaimed water recycling device for the industrial wastewater of the graphite heat exchanger according to claim 1, characterized in that: the wastewater sedimentation tank (9) is connected with a flocculant storage tank (14) through a pipeline.
4. The reclaimed water recycling device for the industrial wastewater of the graphite heat exchanger according to claim 1, characterized in that: the calcium carbonate sand filter channel (7) is of a trapezoidal section, the stacking mode is that the lower layer particles are 15-30mm, the middle layer particles are 10-20mm, and the upper layer particles are 5-15mm, and the calcium carbonate sand filter channel is stacked in a wave form along the wastewater flowing direction surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010455630.3A CN111499050A (en) | 2020-05-26 | 2020-05-26 | Reclaimed water recycling device for waste water produced in graphite heat exchanger |
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| CN202010455630.3A CN111499050A (en) | 2020-05-26 | 2020-05-26 | Reclaimed water recycling device for waste water produced in graphite heat exchanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202156973U (en) * | 2011-04-15 | 2012-03-07 | 蠡县富利革基布有限公司 | Reusing system for recycled water |
| WO2014187296A1 (en) * | 2013-05-19 | 2014-11-27 | 波鹰(厦门)科技有限公司 | Regenerating and recycling apparatus and method for advanced treatment papermaking wastewater |
| CN206580667U (en) * | 2017-02-20 | 2017-10-24 | 河南顺美国际家居股份有限公司 | A kind of wallpaper produces wastewater recycling system |
| CN207391200U (en) * | 2017-08-29 | 2018-05-22 | 浙江鼎豫环保科技有限公司 | A kind of dyeing waste water near-zero release integral intelligent control process system |
| CN213012296U (en) * | 2020-05-26 | 2021-04-20 | 贵州兰鑫石墨机电设备制造有限公司 | Reclaimed water recycling system for graphite heat exchanger production wastewater |
-
2020
- 2020-05-26 CN CN202010455630.3A patent/CN111499050A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202156973U (en) * | 2011-04-15 | 2012-03-07 | 蠡县富利革基布有限公司 | Reusing system for recycled water |
| WO2014187296A1 (en) * | 2013-05-19 | 2014-11-27 | 波鹰(厦门)科技有限公司 | Regenerating and recycling apparatus and method for advanced treatment papermaking wastewater |
| CN206580667U (en) * | 2017-02-20 | 2017-10-24 | 河南顺美国际家居股份有限公司 | A kind of wallpaper produces wastewater recycling system |
| CN207391200U (en) * | 2017-08-29 | 2018-05-22 | 浙江鼎豫环保科技有限公司 | A kind of dyeing waste water near-zero release integral intelligent control process system |
| CN213012296U (en) * | 2020-05-26 | 2021-04-20 | 贵州兰鑫石墨机电设备制造有限公司 | Reclaimed water recycling system for graphite heat exchanger production wastewater |
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