CN213537513U - Water-saving stainless steel welding piece washing equipment - Google Patents
Water-saving stainless steel welding piece washing equipment Download PDFInfo
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- CN213537513U CN213537513U CN202021738702.7U CN202021738702U CN213537513U CN 213537513 U CN213537513 U CN 213537513U CN 202021738702 U CN202021738702 U CN 202021738702U CN 213537513 U CN213537513 U CN 213537513U
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- water
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- cleaning tank
- washing
- stainless steel
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- 238000005406 washing Methods 0.000 title claims abstract description 33
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 25
- 239000010935 stainless steel Substances 0.000 title claims abstract description 25
- 238000003466 welding Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 138
- 238000004140 cleaning Methods 0.000 claims abstract description 86
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 238000000746 purification Methods 0.000 claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- 238000001728 nano-filtration Methods 0.000 claims description 10
- 238000001223 reverse osmosis Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 238000011033 desalting Methods 0.000 claims description 8
- 239000006004 Quartz sand Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 238000005189 flocculation Methods 0.000 claims description 7
- 230000016615 flocculation Effects 0.000 claims description 7
- 238000010612 desalination reaction Methods 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 238000004065 wastewater treatment Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 3
- 239000013505 freshwater Substances 0.000 description 3
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 2
- 229910001410 inorganic ion Inorganic materials 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to a water-saving stainless steel welding piece washing equipment relates to stainless steel welding piece washing technical field, has solved adopting direct drip washing or single groove washing to stainless steel welding piece among the prior art, and it washs the water consumption greatly, and waste water treatment investment cost and working costs are high, also the technical problem of more water waste resource. The technical characteristics comprise a counter-current cleaning tank; a circulating purification treatment device located downstream of the counter-current cleaning tank; and a water quality adjusting and feeding device arranged inside the counter-current cleaning tank; wherein, the circulation purification treatment equipment also comprises a water filtering equipment and a desalted water equipment. Has the advantage of high water saving rate.
Description
Technical Field
The utility model relates to a stainless steel welding washing technical field, in particular to water-saving stainless steel welding piece washing equipment.
Background
Welding oxides generated in the welding process of stainless steel products are mainly Cr2O3 and NiO, the methods for cleaning the welding oxides on the surface of the stainless steel are various, and if electrolytic cleaning is adopted, electrolyte is matched with an electrolytic machine to clean the surface oxides, and then tap water is used for washing; if a pickling agent is adopted, the pickling passivation paste is smeared and reacts, and then tap water is adopted for washing and the like; the cleaning wastewater contains cleaning agent, metal ions, oil stain and dust on the stainless steel welding part, the cleaning wastewater amount is large, the wastewater treatment station is overloaded due to large-scale discharge, and the emission reduction is not facilitated.
At present, stainless steel welding pieces are directly leached or washed by single-groove water, so that the washing water consumption is large, the investment cost and the operating cost of wastewater treatment are high, and water resources are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve and adopt direct drip washing or single groove washing to stainless steel welding among the prior art, it washs the water consumption big, and waste water treatment investment cost and working costs are high, also the technical problem of more water waste resource provides a water-saving stainless steel welding piece washing equipment.
In order to solve the technical problem, the technical scheme of the utility model is specifically as follows:
a water-saving stainless steel weldment washing apparatus comprising:
a counter-current cleaning tank;
a circulating purification treatment device located downstream of the counter-current cleaning tank;
and a water quality adjusting and feeding device arranged inside the counter-current cleaning tank;
wherein, the circulation purification treatment equipment also comprises a water filtering equipment and a desalted water equipment.
Further, the counter current cleaning tank comprises a first stage cleaning tank and a final stage cleaning tank downstream of the first stage cleaning tank.
Further, the water filtering apparatus includes: the automatic water inlet valve, the circulating pump, the quartz sand filter, the activated carbon filter, the precision filter and the water filtering valve are sequentially connected in series, the water outlet of the water filtering valve is connected to the water inlet of the first-stage cleaning tank, and the water inlet of the automatic water inlet valve is communicated with the water outlet of the first-stage cleaning tank;
wherein, the flocculation device is communicated with a pipeline between the automatic water inlet valve and the circulating pump;
the pH adjusting device is communicated with a pipeline between the activated carbon filter and the precision filter;
a handheld cleaning gun for pressure washing of a welding piece is arranged at the outlet of the filtering water valve;
the desalination water equipment comprises: the device comprises a desalting water valve and a nanofiltration/reverse osmosis device which are sequentially connected in series, wherein the inlet end of the desalting water valve is communicated with a pipeline between a precision filter and a filtered water valve, and the nanofiltration/reverse osmosis device is communicated with a water inlet of a final-stage cleaning tank.
Further, the water quality adjusting and feeding device comprises:
the conductivity meter, the PH meter, the turbidimeter and the liquid level meter are arranged on the side face of the bottom of the first-stage cleaning tank;
the automatic drain valve is arranged on the side surface of the bottom of the first-stage cleaning tank;
and the automatic water replenishing valve is arranged at the water inlet of the final-stage cleaning tank.
The utility model discloses following beneficial effect has:
the utility model discloses a water-saving stainless steel welding piece washing device, which adopts a plurality of washing tanks, the water flow direction in the tank is opposite to the movement direction of the cleaning piece, and a final-stage washing tank supplies fresh water or purified water after treatment; the cleaning water in the tank is provided with a circulating purification treatment device which is divided into two parts, wherein one part is a filtering water device for removing particulate matters and most organic matters in the cleaning water, and the other part is mainly used for circularly purifying the first-stage cleaning tank; the other part is desalting equipment for removing various inorganic ions, colloids and organic matters in water, and the effluent is treated by the desalting equipment and then supplied to a final-stage cleaning tank because the effluent has good water quality.
A water quality detection instrument is arranged in the first-stage cleaning tank, and water supply quantity and circulating purification treatment equipment are automatically adjusted according to the detection result of water quality. The process not only realizes the cleaning of the stainless steel welding parts, the adopted multi-stage countercurrent cleaning saves more than 50 percent of water compared with single-tank cleaning or leaching, the recycling rate of the cleaning wastewater purified by the circular purification treatment equipment is more than 50 percent, and the whole process can save more than 75 percent of water.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of a water-saving stainless steel welding piece washing device of the present invention.
The reference numerals in the figures denote:
1. a first-stage cleaning tank; 2. a final stage cleaning tank; 3. an automatic water inlet valve; 4. a flocculation device; 5. a circulation pump; 6. a quartz sand filter; 7. an activated carbon filter; 8. a pH adjusting device; 9. a precision filter; 10. A water filtering valve; 11. a hand-held cleaning gun; 12. a desalted water valve; 13. a nanofiltration/reverse osmosis device; 14. a conductivity meter; 15. a PH meter; 16. a turbidity meter; 17. a liquid level meter; 18. an automatic water replenishing valve; 19. an automatic water discharge valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a water-saving stainless steel welding piece washing device comprises:
a counter-current cleaning tank;
a circulating purification treatment device located downstream of the counter-current cleaning tank;
and a water quality adjusting and feeding device arranged inside the counter-current cleaning tank;
wherein, the circulation purification treatment equipment also comprises a water filtering equipment and a desalted water equipment.
The counter current cleaning tank comprises a first stage cleaning tank 1 and a final stage cleaning tank 2 downstream of the first stage cleaning tank 1.
The water filtering apparatus includes: the automatic water inlet valve 3, the circulating pump 5, the quartz sand filter 6, the activated carbon filter 7, the precision filter 9 and the filtering water valve 10 are sequentially connected in series, the water outlet of the filtering water valve 10 is connected to the water inlet of the first-stage cleaning tank 1, and the water inlet of the automatic water inlet valve 3 is communicated with the water outlet of the first-stage cleaning tank 1;
wherein, the flocculation device 4 is communicated with a pipeline between the automatic water inlet valve 3 and the circulating pump 5;
the pH adjusting device 8 is communicated with a pipeline between the activated carbon filter 7 and the precision filter 9;
a handheld cleaning gun 11 for pressure washing of the welding piece is arranged at the outlet of the filtering water valve 10, so that the welding piece is conveniently pressure washed without additionally arranging a high-pressure cleaning pump;
the desalination water equipment comprises: a desalted water valve 12 and a nanofiltration/reverse osmosis device 13 which are connected in series in sequence, wherein the inlet end of the desalted water valve 12 is communicated with a pipeline between the precision filter 9 and the filtered water valve 10, and the nanofiltration/reverse osmosis device 13 is communicated with the water inlet of the final stage cleaning tank 2.
The water quality adjusting and feeding device comprises:
a conductivity meter 14, a PH meter 15, a turbidimeter 16 and a liquid level meter 17 which are arranged on the side surface of the bottom of the first-stage cleaning tank 1;
an automatic drain valve 19 installed on the bottom side surface of the first-stage cleaning tank 1;
and an automatic water replenishing valve 18 arranged at the water inlet of the final cleaning tank 2.
The working principle is as follows: a plurality of cleaning tanks are adopted, the water flow direction in the tanks is opposite to the movement direction of the cleaning parts, and the final cleaning tank 2 supplies fresh water or purified water after treatment; the cleaning water in the tank is provided with a circulating purification treatment device which is divided into two parts, wherein one part is a filtering water device for removing particulate matters and most organic matters in the cleaning water, and the other part is mainly used for circulating purification of the first-stage cleaning tank 1; the other part is desalting equipment for removing various inorganic ions, colloids and organic matters in water, and the effluent is treated by the desalting equipment and then supplied to a final-stage cleaning tank because the effluent has good water quality.
A water quality detection instrument is arranged in the first-stage cleaning tank 1, and water supply quantity and circulating purification treatment equipment are automatically adjusted according to the detection result of water quality. The process not only realizes the cleaning of the stainless steel welding parts, the adopted multi-stage countercurrent cleaning saves more than 50 percent of water compared with single-tank cleaning or leaching, the recycling rate of the cleaning wastewater purified by the circular purification treatment equipment is more than 50 percent, and the whole process can save more than 75 percent of water.
The countercurrent cleaning adopts two or more than two cleaning tanks, the water quality in the first cleaning tank 1 after multiple cleaning can not meet the cleaning requirement, the equipment can provide two modes of cleaning water, and the first circulating purification treatment equipment automatically operates and purifies the cleaning wastewater in the cleaning tanks; secondly, a water quality adjusting and feeding device is adopted to automatically discharge water, and fresh water is supplemented to the final-stage cleaning tank 2 and enters the first-stage cleaning tank 1 in a countercurrent mode.
When the conductivity is higher than 1500PPM or exceeds the conductivity required by cleaning, the desalted water equipment is started to carry out internal circulation, and after the internal circulation is carried out for a period of time, the automatic water supply is fed back to the automatic water supply valve 18 according to the liquid level meter 17 in the tank. When the turbidity is higher than 5NTU or exceeds the turbidity required by cleaning or the circulating equipment is supersaturated during treatment, the automatic drain valve 19 is opened, and the automatic water replenishing valve 18 is opened at the same time, and when the turbidity is lower than 1NTU or reaches the turbidity required by cleaning, the automatic drain valve 19 and the automatic water replenishing valve 18 are closed successively; during the washing period of the stainless steel welding parts, the water filtering device of the circulating purification treatment device is continuously operated, and the device can also be intermittently operated.
The flocculation device 4 comprises a dosing pump and a dosing tank; the PH adjusting device 8 comprises a dosing pump and a dosing tank; the nanofiltration/reverse osmosis device 13 comprises a booster pump, a nanofiltration or reverse osmosis membrane element, a membrane container and a matched instrument. The liquid level meter 17 is an electrode type liquid level meter or a connecting rod type liquid level meter.
The quartz sand filter 6 removes suspended impurities in the water through a quartz sand filter layer; the activated carbon filter 7 adopts coconut shell activated carbon to adsorb colloid, pigment and organic matters in water; the safety filter (precision filter 9) is internally filled with a PP filter element, the filtering precision is 5 mu m, and the particles larger than 5 mu m in the intercepted water are filtered; the flocculation device 4 adds a flocculating agent into the circulating filtration pipeline to increase the flocculation property of small particles in water and improve the filtration efficiency of the quartz sand filtration layer; the pH adjusting device 8 adjusts the pH value of the filtered water to be between 6 and 7 by adding alkali liquor into the circulating filtering pipeline; the nanofiltration/reverse osmosis device 13 adopts a membrane separation technology to separate and purify the filtered water by a membrane under the action of higher osmotic pressure so as to achieve the purpose of pure water.
The intelligent water quality adjusting and feeding device detects the water quality through the water quality analysis instrument, judges whether water is required to be supplemented or drained, controls the automatic water supplementing valve 18 and the automatic water draining valve 19, and reduces artificial water waste;
when the conductivity is higher than 1500PPM or exceeds the conductivity required by cleaning, the desalted water equipment is started to carry out internal circulation, and after the internal circulation is carried out for a period of time, the water is automatically supplemented by the water automatically fed back to the automatic water supplementing valve 18 according to the liquid level meter in the tank.
When the turbidity is higher than 5NTU or exceeds the turbidity required by cleaning, the automatic drain valve 19 is opened, meanwhile, the automatic water replenishing valve 18 is opened, the regulating valve keeps the water inlet flow not lower than the water drainage flow, and when the turbidity is lower than 1NTU or reaches the turbidity required by cleaning, the automatic drain valve 19 and the automatic water replenishing valve 18 are closed;
during the washing period of the stainless steel welding parts, the water filtering device of the circulating purification treatment device is continuously operated, and the device can also be intermittently operated.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (4)
1. The utility model provides a water-saving stainless steel weldment washing equipment which characterized in that includes:
a counter-current cleaning tank;
a cyclic purification treatment device downstream of the counter-current rinse tank;
the water quality adjusting and feeding device is arranged inside the counter-current cleaning tank;
wherein, the circulation purification treatment equipment also comprises a water filtering equipment and a desalted water equipment.
2. A water-saving stainless steel weldment water washing apparatus as recited in claim 1, wherein said counter-current washing tank comprises a first-stage washing tank (1) and a last-stage washing tank (2) downstream of said first-stage washing tank (1).
3. A water-saving stainless steel weldment water-washing apparatus as recited in claim 2, wherein the water-filtering apparatus comprises: the automatic water inlet valve (3), the circulating pump (5), the quartz sand filter (6), the activated carbon filter (7), the precision filter (9) and the filtering water valve (10) are sequentially connected in series, a water outlet of the filtering water valve (10) is connected to a water inlet of the first-stage cleaning tank (1), and a water inlet of the automatic water inlet valve (3) is communicated with a water outlet of the first-stage cleaning tank (1);
wherein a pipeline between the automatic water inlet valve (3) and the circulating pump (5) is connected with a flocculation device (4);
a pH adjusting device (8) is connected with a pipeline between the activated carbon filter (7) and the precision filter (9);
a handheld cleaning gun (11) for pressurizing and washing a welding part is arranged at the outlet of the filtered water valve (10);
the desalination apparatus comprises: the device comprises a desalting water valve (12) and a nanofiltration/reverse osmosis device (13) which are sequentially connected in series, wherein the inlet end of the desalting water valve (12) is communicated with a pipeline between a precision filter (9) and a filtered water valve (10), and the nanofiltration/reverse osmosis device (13) is communicated with a water inlet of a final-stage cleaning tank (2).
4. A water-saving stainless steel weldment water-washing apparatus as recited in claim 2, wherein the water quality adjusting and water-feeding device comprises:
the conductivity meter (14), the PH meter (15), the turbidimeter (16) and the liquid level meter (17) are arranged on the side face of the bottom of the first-stage cleaning tank (1);
an automatic drain valve (19) mounted on the side surface of the bottom of the first-stage cleaning tank (1);
and the automatic water replenishing valve (18) is arranged at a water inlet of the final-stage cleaning tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021738702.7U CN213537513U (en) | 2020-08-19 | 2020-08-19 | Water-saving stainless steel welding piece washing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021738702.7U CN213537513U (en) | 2020-08-19 | 2020-08-19 | Water-saving stainless steel welding piece washing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213537513U true CN213537513U (en) | 2021-06-25 |
Family
ID=76488932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021738702.7U Active CN213537513U (en) | 2020-08-19 | 2020-08-19 | Water-saving stainless steel welding piece washing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213537513U (en) |
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2020
- 2020-08-19 CN CN202021738702.7U patent/CN213537513U/en active Active
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