CN202700233U - Circulating water filter device used for preparing resin precoated sand - Google Patents
Circulating water filter device used for preparing resin precoated sand Download PDFInfo
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- CN202700233U CN202700233U CN201220427424.2U CN201220427424U CN202700233U CN 202700233 U CN202700233 U CN 202700233U CN 201220427424 U CN201220427424 U CN 201220427424U CN 202700233 U CN202700233 U CN 202700233U
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- water
- bin
- settling
- circulating water
- settling bin
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Abstract
The utility model relates to a circulating water filter device used for preparing resin precoated sand. The circulating water filter device comprises a circulating water pond, a settling pond, a settling bin arranged between the circulating water pond and the settling pond and a first water suction pump, wherein a water inlet of the first water suction pump extends into the circulating water pond, and a water outlet is communicated with the top of the settling bin; the interior of the upper part of the settling bin is provided with a water filter plate, one side of the middle part of the settling bin is provided with a water bin, and a refined filtration partition plate is arranged between the water bin and the settling bin; the lower part of the settling bin is of a hopper shape, and a sediment discharge pipe connected to the bottom of the hopper is communicated with the settling pond; and the circulating water filter device also comprises a second water suction pump, a water inlet of the second water suction pump extends into the water bin, and a water outlet is communicated with a cooling water pipe of a cooling procedure used for preparing resin precoated sand and a water inlet pipeline of a curing agent aqueous solution preparation tank. The circulating water filter device can be used for recovering, treating and utilizing waste water generated in a process of preparing the resin precoated sand and also collecting dust generated in the process of preparing the resin precoated sand so as to reduce pollution to the environment and save water resources.
Description
Technical field
The utility model relates to industrial wastewater treatment device, is specifically related to a kind of Circulated water filter for the preparation of coated sand.
Background technology
The technological process of the coated sand of preparation casting usefulness is normally: the quantitative weighing quartz sand → heater heating → quantitative weighing resin → mixing device → insulated and stirred overlay film → aqueous solution of curing agent that cools → add → adding additive → adding interleaving agent → mix mixing sand → heat exchange cooling → packing of product.At the running water of operation with water system that cool, the steam of generation is emptying; Process emptying by chimney at the waste gas that contains dust and water vapour that mulling, sediment outflow, heat exchange cooling produce by cyclone dust collectors.In the existing coated sand preparation process, utilize simple exhaust gas and dust to process, adopt the cyclone dust collectors dedusting average diameter can be removed from waste gas greater than the granule dust of 0.01mm, efficiency of dust collection is about 85%.One ton of coated sand of every preparation can be approximately 0.32 kilogram (much larger than this value, reaching 2～3 kilograms in the actual production process) less than the solid dust of 0.01mm to the environmental emission particle size, can water loss be about 10.75 kilograms simultaneously.Obviously, existing preparation coated sand technology process is serious on the impact of environment, and secondly the dust emission that the first is a large amount of is to consume a large amount of valuable water resources.Therefore, need to be improved existing simple process equipment.
Summary of the invention
The purpose of this utility model provides a kind of Circulated water filter for the preparation of coated sand, it can recycle the waste water that produces in the preparation coated sand process and be used, simultaneously, can also collect the dust that produces in the preparation coated sand process, alleviate the pollution to environment, saving water resource.
A kind of Circulated water filter for the preparation of coated sand described in the utility model, comprise circulating water pool, settling tank, be located at that settling bin, water inlet between circulating water pool and the settling tank stretches in the circulating water pool and the first suction pump that delivery port communicates with the top of settling bin is characterized in that:
Be provided with a minute water filtration plate in the top of described settling bin, one side is provided with sump at the middle part of described settling bin, is provided with essence filter dividing plate between sump and settling bin; The bottom of described settling bin is funnel type, and the precipitum discharge pipe that is connected to funnel bottom communicates with described settling tank;
Also comprise the second suction pump, its water inlet stretches in the sump, delivery port communicates with the cooling water pipeline of the cooling process of preparation coated sand and the water inlet pipe of aqueous solution of curing agent configured slot.Water after the filtration treatment is recycled, with saving water resource.
Further, be provided with the precipitum drain valve at described precipitum discharge pipe.Open the precipitum drain valve, the dust of collecting can be removed.
Further, described circulating water pool is communicated with water system.So that amount of makeup water guarantees need of production.
The beneficial effects of the utility model: adopt this device; basis in common coated sand preparing technique process; can reduce the discharging of dust more than 99%; can reduce 8～9 kilograms of the running water use amounts of coated sand per ton; both reduced the discharging of preparation coated sand; be conducive to environmental protection, saved again water resource, reduced cost.
Description of drawings
Fig. 1 is schematic diagram of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
A kind of Circulated water filter for the preparation of coated sand referring to shown in Figure 1 comprises circulating water pool 1, settling tank 9, is located at that settling bin 3, water inlet between circulating water pool and the settling tank stretches in the circulating water pool and the first suction pump 2 that delivery port communicates with the top of settling bin; Be provided with minute water filtration plate 4 in the top of described settling bin 3, a side is provided with sump 6 at the middle part of described settling bin 3, is provided with essence filter dividing plate 5 between sump and settling bin; The bottom of described settling bin 3 is funnel type, and the precipitum discharge pipe that is connected to funnel bottom communicates with described settling tank 9;
Also comprise the second suction pump 7, its water inlet stretches in the sump 6, delivery port communicates with the cooling water pipeline of the cooling process of preparation coated sand and the water inlet pipe of aqueous solution of curing agent configured slot.
The waste gas of dust after cyclone dust collectors are processed that contains that preparation coated sand process produces is admitted in the screen collector, waste gas passes the water curtain that flows and form in screen collector, contained various solid particulate matters in the waste gas, alkaline soluble materials (comprise be evaporated to waste gas the latent curing agent component of going in the gas phase etc.) are separated from waste gas by water curtain, take away with current to form waste water and flow into circulating water pool; Dust granules and other chemical constituents contained in the waste gas after being processed by screen collector greatly reduce, and then (particle content is less than 120mg/M to be lower than the relevant emission regulation of National Environmental
3), reach 80～110mg/M
3Discharge.Contain various solid particulate matters, after the waste water of solubilized goods and materials flows into circulating water pool, sedimentation occurs in various solid particulate matters under its action of gravitation, progressively depositing to the circulating water pool bottom piles up, recirculated water in the circulating water pool forms from water surface water layer that contains different solid particulate matters to distribution at the bottom of the pond, it is maximum that bottom aquifer contains solid particulate matter, middle water layer takes second place, epiliminion is minimum, the pump mouth end that of the present invention and the first suction pump join extend into middle water layer and epiliminion and joins in the water layer, the first suction pump 2 is with the waste water suction settling bin 3 in the circulating water pool, carrying out current through a minute water filtration plate 4 distributes, the current of suction are flow through at watershed partition 4 equably, divide on the water plate and implement loose structure, waste water circulation and out-of-date meeting is flowed slowly because of the resistance that loose structure produces, flow slowly and can reduce on the one hand the column stirring effect that produces when flowing into settling bin 3 and be unfavorable for that particle in the waste water in the settling bin 3 is deposited to the bottom of settling bin 3, the aspect can be so that waste water and air prolong and the effect of generation aeration time of contact in addition, reduce the waste water oxygen demand, improve water quality; The wastewater flow rate that enters in the settling bin after watershed partition is processed reach a certain height, after surpassing the essence filter dividing plate 5 that is located at sedimentation bulkhead one side, waste water enters in the sump 6 by essence filter dividing plate 5 is laggard, the tiny solid particle that the waste water that enters into sump 6 wherein contains during by smart filter plate is blocked on settling bin 3 one sides and becomes more limpid, be blocked on the smart solid particulate matter of filtering on dividing plate settling bin 3 one sides is lowered into settling bin 3 on the one hand because of the automatic flake-off of reason meeting of gravity bottom, the water body that other aspect also can be subject to falling from settling bin top watershed partition 4 stirs, wash away and come off and drop to the bottom of settling bin 3.From watershed partition 4, directly drop to the bottom that dust contained the waste water of settling bin 4 then sinks to settling bin 3; The second suction pump 7 will enter solid particle size in the interior waste water after described circulating water pool sedimentation processing and Circulated water filter links are processed of sump 6 and content very low (only contain average-size less than the 0.005mm particle, water solid suspended particulate content per ton is less than 130mg/L) the water body extraction, cooling process and the aqueous solution of curing agent preparation process of delivering to the preparation coated sand are used; Open the precipitum drain valve 8 on the precipitum discharge pipe, the dust of collecting can be removed.
Further, described circulating water pool 1 is communicated with water system.So that amount of makeup water guarantees need of production.
Claims (3)
1. Circulated water filter for the preparation of coated sand, comprise circulating water pool (1), settling tank (9), be located at that settling bin (3), water inlet between circulating water pool and the settling tank stretches in the circulating water pool and the first suction pump (2) that delivery port communicates with the top of settling bin is characterized in that:
Be provided with a minute water filtration plate (4) in the top of described settling bin (3), a side is provided with sump (6) at the middle part of described settling bin (3), is provided with essence filter dividing plate (5) between sump and settling bin; The bottom of described settling bin (3) is funnel type, and the precipitum discharge pipe that is connected to funnel bottom communicates with described settling tank (9);
Also comprise the second suction pump (7), its water inlet stretches in the sump (6), delivery port communicates with the cooling water pipeline of the cooling process of preparation coated sand and the water inlet pipe of aqueous solution of curing agent configured slot.
2. a kind of Circulated water filter for the preparation of coated sand according to claim 1 is characterized in that: be provided with precipitum drain valve (8) at described precipitum discharge pipe.
3. a kind of Circulated water filter for the preparation of coated sand according to claim 1 and 2, it is characterized in that: described circulating water pool (1) is communicated with water system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220427424.2U CN202700233U (en) | 2012-08-27 | 2012-08-27 | Circulating water filter device used for preparing resin precoated sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220427424.2U CN202700233U (en) | 2012-08-27 | 2012-08-27 | Circulating water filter device used for preparing resin precoated sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202700233U true CN202700233U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220427424.2U Expired - Lifetime CN202700233U (en) | 2012-08-27 | 2012-08-27 | Circulating water filter device used for preparing resin precoated sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202700233U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907562A (en) * | 2017-12-28 | 2018-04-13 | 山东农业大学 | Constant pressure self-loopa frost heave test system |
| CN113058325A (en) * | 2021-03-03 | 2021-07-02 | 江苏新达石英有限公司 | Quartz sand water mill wastewater recovery treatment device and working method thereof |
-
2012
- 2012-08-27 CN CN201220427424.2U patent/CN202700233U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907562A (en) * | 2017-12-28 | 2018-04-13 | 山东农业大学 | Constant pressure self-loopa frost heave test system |
| CN113058325A (en) * | 2021-03-03 | 2021-07-02 | 江苏新达石英有限公司 | Quartz sand water mill wastewater recovery treatment device and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 400707 Chongqing city Beibei District tongjiaxi Township five-star Road No. 6 Patentee after: CHONGQING CHANGJIANG RIVER MOULDING MATERIAL (GROUP) Co.,Ltd. Address before: Feng Qi Zhen Caijiaying road 400707 Chongqing city Beibei District No. 6 Patentee before: CHONGQING CHANGJIANG MOLDING MATERIAL GROUP Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |