CN203635849U - Ultrasonic sand washing device - Google Patents

Ultrasonic sand washing device Download PDF

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Publication number
CN203635849U
CN203635849U CN201320809510.4U CN201320809510U CN203635849U CN 203635849 U CN203635849 U CN 203635849U CN 201320809510 U CN201320809510 U CN 201320809510U CN 203635849 U CN203635849 U CN 203635849U
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China
Prior art keywords
sand
tank body
ultrasonic wave
washing device
interlayer
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Expired - Lifetime
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CN201320809510.4U
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Chinese (zh)
Inventor
李家波
邓宇辉
张云鑫
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Zhangwu County Lian Xin Casting Silica Sand Co Ltd
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Zhangwu County Lian Xin Casting Silica Sand Co Ltd
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Priority to CN201320809510.4U priority Critical patent/CN203635849U/en
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Publication of CN203635849U publication Critical patent/CN203635849U/en
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Abstract

The utility model discloses an ultrasonic sand washing device, which comprises a tank body, an ultrasonic vibration plate, a water inlet pipe, an overflow hole, a sand inlet and a sand outlet, wherein the ultrasonic vibration plate is fixedly arranged inside the tank body, the bottom of the tank body has a conical structure, and the sand outlet is formed in the middle of the bottom of the conical structure; the bottom of the tank body has an interlayer structure, the water inlet pipe is formed on the outer wall of the interlayer, a water outlet is formed in the inner wall of the interlayer, and water enters the internal space of the interlayer through the water inlet pipe, and then flows in the tank body from the water outlet in the interlayer; the sand inlet is formed in the top of the tank body, and an overflowing tank for collecting sewage is arranged on the edge of the top end of the tank body. To-be-washed silica sand enters the tank body, mud and pollutants in the silica sand are separated under the action of the ultrasonic vibration plate and then the silica sand enters in the overflowing tank along with rising water flow, the washed silica sand is settled to the bottom of the tank body and discharged from the sand outlet. After the ultrasonic sand washing device is applied, the mud content of the cast silica sand is reduced to about 0.1%, and the energy consumption can also be reduced by 20%-40%.

Description

A kind of ultrasonic wave sand-washing device
Technical field
The utility model relates to sand-washing device technical field, is specifically related to one and makes the significantly reduced ultrasonic wave sand-washing device of silica sand clay content.
Background technology
In China, core, sand mold that casting industry needs in producing every year are at least wanted several ten million tons.Wherein, silica sand is widely used in casting process because it is cheap, reserves are abundant.
The following performance indications of at present both at home and abroad research is clear and definite silica sand have important impact to Foundry Production: clay content, sour consumption value, refractoriness, burning decrement, pH value etc.Wherein the size of clay content directly affects the core that uses casting silica sand to make, the intensity of sand mold.Definition in professional standard (GB/T9442 casting silica sand): the diameter < 0.020mm particulate fraction mass fraction containing in clay content---roughing sand.And clearly specify in standard: clean sand clay content < 0.3%, washed-out sand clay content < 0.5%.So, the product that clay content is lower will inevitably rely on the performance of its high-quality to occupy the larger market share on market, also can reduce the consumption of Foundry Works's binding agent (being mainly resin), see all there is very large benefit from cost angle or utilization of resources angle simultaneously.
At present, the domestic washed-out sand mode generally adopting is to utilize scouring method, to remove mud part and some pollutants of sand grain surface of particle diameter < 0.02mm in raw ore.Capital equipment also all concentrates on single barrel of swaging machine and many barrels of swaging machines.Each factory also just reaches by adjusting each operation processing sequence, increase scouring number of times and scouring time the object that reduces silica sand clay content.
Cardinal principle is as follows: mortar enters swaging machine, and driven by motor impeller stirs in swaging machine, makes mutual collision friction between sand grains and sand grains, sand grains and impeller, sand grains and swaging machine wall, reaches washed-out sand object.
Shortcoming: while production in a large number continuously, affected by pulp consistency, scouring time, the clean level of raw ore own larger, energy consumption is high simultaneously, and equipment loss is large.Prove through our lot of experiments: use rational pulp consistency, increase scouring time and number of times, although can reduce silica sand clay content, in the time that clay content reaches 0.24% left and right, then continue to improve the quality of products by this way, have little effect.
Utility model content
The weak point existing in order to overcome prior art, the utility model provides a kind of ultrasonic wave sand-washing device.Apply this ultrasonic wave sand-washing device, casting silica sand clay content is down to 0.1% left and right, and energy consumption also can reduce by 20%~40%.
The technical solution of the utility model is:
A kind of ultrasonic wave sand-washing device, comprise tank body, ultrasonic wave shake plate, water inlet pipe, overfall, sand inlet and sand export, described ultrasonic wave shake plate is fixedly arranged on described tank interior, the bottom of tank body is pyramidal structure, and the intermediate position, bottom of this pyramidal structure is provided with sand export (sand export place is provided with the plate of controlling silica sand discharge); The bottom of described tank body is sandwich, on the outer wall of interlayer, offers water inlet pipe, on the inwall of interlayer, sets out the mouth of a river, and water enters interlayer inner space by water inlet pipe, then flows in tank body by the delivery port on interlayer; Described sand inlet is located at tank body top, and edge, tank body top is provided with the overflow launder of collecting sewage; Silica sand to be washed enters tank interior from the sand inlet on tank body top, and in it, the effect of ultrasonic wave shake plate, enters overflow launder with ascending current after the mud part in silica sand and pollutant are separated, and the silica sand after cleaning is settled down to tank base, discharges through sand export.
Described ultrasonic wave shake plate is multiple, and its mode arranging in tank body has two kinds, and one is: ultrasonic wave shake plate is fixedly arranged on the sidewall of described tank body and bottom, and quantity and the supersonic frequency of ultrasonic wave shake plate are selected by actual demand, and frequency is generally at 28-40KHz; It two is: multiple ultrasonic waves shake plates are from top to bottom arranged successively in tank body, each ultrasonic wave shake one end of plate and the welding of the sidewall of tank body, between the other end and the sidewall of tank body, leave space, between adjacent ultrasonic wave shake plate, be V-shape and arrange (one end of each ultrasonic wave shake plate and tank body welding is higher than leaving the other end in space with tank wall).
In the time that ultrasonic wave shake plate is the first set-up mode, tank body is cylindric, and tank body upper opening, as sand inlet, makes silica sand to be washed enter in tank body from sand inlet by sand separator.Described sand separator comprises tubular sand inlet and buffer, buffer is cone structure, be located at tubular sand inlet below, silica sand to be washed enters tubular sand inlet, then disperses to flow in washed-out sand tank and contacts on ultrasonic wave shake plate working face through the outer surface buffering of taper buffer.
In the time that ultrasonic wave shake plate is the second set-up mode, tank body is rectangular-shaped, ultrasonic wave shake plate and inner tank wall seal welding (removing one end of leaving space with inwall).When this kind of set-up mode, described sand inlet is located at the highest point of the plate of ultrasonic wave shake topmost in tank body.
The utility model principle is as follows:
By ultrasonic applications in washed-out sand, utilize exactly hyperacoustic cavitation, micro-bubble in liquid, in the huge external force (pressure can reach dozens or even hundreds of MPa) that sand grain surface " blast " moment produces, is peeled off mud part and the pollutant of sand grain surface, thereby is reached washed-out sand object.
Roughing sand size is generally at 0.1~0.5mm, and sand grain surface has many small pits.Although utilize original swaging machine method can remove most of mud part and pollutant, part is in sand grain surface pit to type processed, the harmful basic anhydride of core, or follows silicon crystal to grow, and extremely difficulty is disposed.This is also when clay content is controlled to 0.24% left and right, then by the main cause of scouring way DeGrain.
And carry out washed-out sand with ultrasonic wave, just solve largely this difficult point.Through evidence, the washed-out sand of using ultrasound ripple, is down to 0.1% left and right by casting silica sand clay content, and energy consumption also can reduce by 20%~40%.
When washed-out sand, approximately 100 tons of mortar amounts per hour, so have relatively high expectations to the disposal ability of washed-out sand equipment.Although supersonic wave cleaning machine has had ripe product on market, respond well with its wash machine parts, also have its limitation: solution can not acutely stir, otherwise hyperacoustic decay will be very serious, affect cleaning performance.So, in the market also not by ultrasonic applications in continuous, a large amount of cleaning of thin material.
Compared with prior art, the utlity model has following advantage:
1, washed-out sand better effects if.Properties of product are superior, and client Foundry Works can save the use of binding agent;
2, energy consumption reduces approximately 20%~40%, and washed-out sand cost can reduce.
3, ultrasonic cleaning technology is applied to casting silica sand production industry.
Brief description of the drawings
Fig. 1 is the utility model embodiment 1 sand-washing device structural representation.
Fig. 2 is the utility model embodiment 1 washed-out sand process schematic diagram.
Fig. 3 is the utility model embodiment 2 sand-washing device structural representations.
Fig. 4 is the utility model embodiment 2 washed-out sand process schematic diagrames.
In figure: 1-tank body; 2-ultrasonic wave shake plate; 3-overfall; 4-water inlet pipe; 5-interlayer; 6-sand export; 7-sand inlet; 8-sand separator; 81-tubular sand inlet; 82-buffer; 9-plate switch.
Detailed description of the invention
As Figure 1-4, the utility model ultrasonic wave sand-washing device, comprise tank body 1, ultrasonic wave shake plate 2, water inlet pipe 4, overfall 3, sand inlet 7 and sand export 6, described ultrasonic wave shake plate 2 is fixedly arranged on described tank body 1 inside, the bottom of tank body 1 is pyramidal structure, and 1 intermediate position, bottom of this pyramidal structure is provided with sand export 6(sand export 6 places and is provided with the plate switch 9 of controlling silica sand discharge); The bottom of described tank body 1 is sandwich, offers water inlet pipe 4 on the outer wall of interlayer 5, on the inwall of interlayer 5, sets out the mouth of a river, and water enters interlayer 5 inner spaces by water inlet pipe 4, then flows in tank body 1 by the delivery port on interlayer 5; Described sand inlet 7 is located at tank body 1 top, and tank body 1 edge, top is provided with the overfall 3 of collecting sewage; Silica sand to be washed enters tank interior from the sand inlet on tank body top, and in it, the effect of ultrasonic wave shake plate 2, enters overfall 3 with ascending current after the mud part in silica sand and pollutant are separated, and the silica sand after cleaning is settled down to tank base, discharges through sand export 6.
Embodiment 1:
As shown in Figure 1-2, the utility model ultrasonic wave sand-washing device comprises tank body 1, ultrasonic wave shake plate 2, water inlet pipe 4, overfall 3, sand inlet 7 and sand export 6, described ultrasonic wave shake plate 2 is fixedly arranged on described tank body 1 inside, the bottom of tank body 1 is pyramidal structure, and 1 intermediate position, bottom of this pyramidal structure is provided with sand export 6(sand export 6 places and is provided with the plate switch 9 of controlling silica sand discharge); The bottom of described tank body 1 is sandwich, offers water inlet pipe 4 on the outer wall of interlayer 5, on the inwall of interlayer 5, sets out the mouth of a river, and water enters interlayer 5 inner spaces by water inlet pipe 4, then flows in tank body 1 by the delivery port on interlayer 5; Described sand inlet 7 is located at tank body 1 top, and tank body 1 edge, top is provided with the overfall 3 of collecting sewage; Silica sand to be washed enters tank interior from the sand inlet on tank body top, and in it, the effect of ultrasonic wave shake plate 2, enters overfall 3 with ascending current after the mud part in silica sand and pollutant are separated, and the silica sand after cleaning is settled down to tank base, discharges through sand export 6.
Described ultrasonic wave shake plate 2 be multiple, and ultrasonic wave shake plate 2 is fixedly arranged on the sidewall of described tank body 1 and bottom, the about 50cm in interval between ultrasonic wave shake plate 2, and attention is shaken plate working face towards sand.Quantity and the supersonic frequency of ultrasonic wave shake plate 2 are selected by actual demand, and frequency is generally at 28-40KHz; Tank body 1 is cylindric, and tank body upper opening, as sand inlet 7, makes silica sand to be washed enter in tank body 1 from sand inlet 7 by sand separator 8.Described sand separator 8 comprises tubular sand inlet 81 and buffer 82, buffer 82 is cone structure, be located at tubular sand inlet 81 belows, silica sand to be washed enters tubular sand inlet 81, then disperses to flow in washed-out sand tank body 1 and contacts on ultrasonic wave shake plate 2 working faces through the outer surface buffering of taper buffer 82.
Tank body bottom surface interlayer has equally distributed apopore in tank inner side, have steady ascending current when ensureing to interlayer water filling in round can.On round can, along there being overfall (being set to groove shape in the present embodiment), collect sewage.There is buffer at center, round can upper end, guarantees that mortar steadily enters in tank body.Round can diameter, height are determined according to treating capacity.
When continuous production work, the water inlet of washed-out sand pot bottom interlayer, forms steady ascending current.Start ultrasonic wave vibration plate.Mortar enters into washed-out sand tank from the buffer smooth dispersion of center, washed-out sand tank upper end, after sand grains scatters, can be subject to ultrasonic cavitation effect, affected by ascending current, and sedimentation is slowly to extend the ul-trasonic irradiation time.After being stripped from, mud part and pollutant enter overflow launder with ascending current.Silica sand sedimentation after cleaning causes bottom surface, is concentrated to back taper sand export, opens plate switch and discharges.
Embodiment 2:
As shown in Figure 3-4, the utility model ultrasonic wave sand-washing device, comprise tank body 1, ultrasonic wave shake plate 2, water inlet pipe 4, overfall 3, sand inlet 7 and sand export 6, described ultrasonic wave shake plate 2 is fixedly arranged on described tank body 1 inside, the bottom of tank body 1 is pyramidal structure, and 1 intermediate position, bottom of this pyramidal structure is provided with sand export 6(sand export 6 places and is provided with the plate switch 9 of controlling silica sand discharge); The bottom of described tank body 1 is sandwich, offers water inlet pipe 4 on the outer wall of interlayer 5, on the inwall of interlayer 5, sets out the mouth of a river, and water enters interlayer 5 inner spaces by water inlet pipe 4, then flows in tank body 1 by the delivery port on interlayer 5; Described sand inlet 7 is located at tank body 1 top, and tank body 1 edge, top is provided with the overfall 3 of collecting sewage; Silica sand to be washed enters tank interior from the sand inlet on tank body top, and in it, the effect of ultrasonic wave shake plate 2, enters overfall 3 with ascending current after the mud part in silica sand and pollutant are separated, and the silica sand after cleaning is settled down to tank base, discharges through sand export 6.
Ultrasonic wave shake plate 2 is multiple, multiple ultrasonic wave shake plates 2 are from top to bottom arranged successively in tank body 1, each ultrasonic wave shake one end of plate 2 and the welding of the sidewall of tank body 1, between the sidewall of the other end and tank body 1, leave space, between adjacent ultrasonic wave shake plate 2, be V-shape and arrange (one end that each ultrasonic wave shake plate 2 and tank body 1 weld is higher than leaving the other end in space with tank wall).
Tank body 1 is rectangular-shaped, and tank height is determined according to treating capacity, and sectional dimension is depending on ultrasonic wave vibration plate size.Ultrasonic wave shake plate 2 and tank body 1 inner wall sealing welding (removing one end of leaving space with inwall).When this kind of set-up mode, described sand inlet 7 is located at the highest point of the plate 2 of ultrasonic wave shake topmost in tank body.
Ultrasonic wave vibration plate is welded in washed-out sand tank, makes to form " it " word temporary dwelling palace chamber passage in tank, ultrasonic wave working face obliquely.Attention: will ensure when welding that ultrasonic wave vibration plate contacts tightly with washed-out sand tank, guarantee that mortar can only pass through from "the" shape passage; Between ultrasonic wave vibration plate, to leave certain altitude, prevent that ascending current from forming turbulent flow, make ultrasonic effect decay; Ultrasonic wave vibration plate is noted angle, ensures that mortar can flow down smoothly.
When work, first open bottom water inlet pipe, in washed-out sand tank, form steady ascending current.Start after ultrasonic wave vibration plate, start to add sand, certain density mortar enters from washed-out sand tank upper end, and sand grains can be subject to ultrasonic cavitation effect in dirty process in water, affected by ascending current, and sedimentation is slowly to extend the ul-trasonic irradiation time.After being stripped from, mud part and pollutant enter overflow launder with ascending current.Silica sand sedimentation after cleaning causes bottom surface, is concentrated to reverse pyramid sand export, opens plate switch and discharges.
Ultrasonic cleaning technology being applied in the production of casting silica sand, is the new breakthrough of the washed-out sand technique to domestic decades.To greatly promote casting silica sand quality, for casting economizes on resources; Meanwhile, be also to provide new thinking and method for the application of ultrasonic cleaning technology.

Claims (8)

1. a ultrasonic wave sand-washing device, it is characterized in that: this sand-washing device comprises tank body, ultrasonic wave shake plate, water inlet pipe, overfall, sand inlet and sand export, described ultrasonic wave shake plate is fixedly arranged on described tank interior, the bottom of tank body is pyramidal structure, and the intermediate position, bottom of this pyramidal structure is provided with sand export; The bottom of described tank body is sandwich, on the outer wall of interlayer, offers water inlet pipe, on the inwall of interlayer, sets out the mouth of a river, and water enters interlayer inner space by water inlet pipe, then flows in tank body by the delivery port on interlayer; Described sand inlet is located at tank body top, and edge, tank body top is provided with the overflow launder of collecting sewage; Silica sand to be washed enters tank interior from the sand inlet on tank body top, and in it, the effect of ultrasonic wave shake plate, enters overflow launder with ascending current after the mud part in silica sand and pollutant are separated, and the silica sand after cleaning is settled down to tank base, discharges through sand export.
2. ultrasonic wave sand-washing device according to claim 1, is characterized in that: described tank body is cylindric, and described ultrasonic wave shake plate is multiple, and ultrasonic wave shake plate is fixedly arranged on the sidewall of described tank body and bottom, and the quantity of ultrasonic wave shake plate is selected by actual demand.
3. ultrasonic wave sand-washing device according to claim 1, is characterized in that: described tank body is rectangular-shaped, and described ultrasonic wave shake plate is multiple, and multiple ultrasonic wave shake plates are from top to bottom arranged successively in tank body; Each ultrasonic wave shake one end of plate and the welding of the sidewall of tank body, leave space between the other end and the sidewall of tank body, is V-shape and arranges between adjacent ultrasonic wave shake plate.
4. ultrasonic wave sand-washing device according to claim 2, is characterized in that: described tank body upper opening, as sand inlet, makes silica sand to be washed enter in tank body from sand inlet by sand separator.
5. ultrasonic wave sand-washing device according to claim 4, it is characterized in that: described sand separator comprises tubular sand inlet and buffer, buffer is cone structure, be located at tubular sand inlet below, silica sand to be washed enters tubular sand inlet, then disperses to flow in washed-out sand tank and contacts on ultrasonic wave shake plate working face through the outer surface buffering of taper buffer.
6. ultrasonic wave sand-washing device according to claim 3, is characterized in that: described ultrasonic wave shake plate and inner tank wall seal welding.
7. ultrasonic wave sand-washing device according to claim 3, is characterized in that: described sand inlet is located at the highest point of the plate of ultrasonic wave shake topmost in tank body.
8. ultrasonic wave sand-washing device according to claim 1, is characterized in that: described sand export place is provided with the plate of controlling silica sand discharge.
CN201320809510.4U 2013-12-10 2013-12-10 Ultrasonic sand washing device Expired - Lifetime CN203635849U (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104690221A (en) * 2013-12-10 2015-06-10 彰武县联信铸造硅砂有限公司 Ultrasonic sand washing device
CN107962174A (en) * 2015-04-27 2018-04-27 李天亮 A kind of broken casting bed of ultrasonic wave
CN110052325A (en) * 2019-05-29 2019-07-26 长江造型材料(集团)科左后旗有限公司 It is a kind of for sorting the control system of quartz sand
CN110064500A (en) * 2019-04-30 2019-07-30 长江造型材料(集团)科左后旗有限公司 A method of sorting quartz sand
CN110064503A (en) * 2019-04-30 2019-07-30 长江造型材料(集团)科左后旗有限公司 A kind of quartz sand ultrasonic cleaning equipment
CN110064498A (en) * 2019-04-30 2019-07-30 长江造型材料(集团)科左后旗有限公司 A kind of waterpower method for separating improving quartz sand cleanliness
CN110064501A (en) * 2019-04-30 2019-07-30 长江造型材料(集团)科左后旗有限公司 A kind of water injection type quartz sand method for separating
CN110064505A (en) * 2019-04-30 2019-07-30 长江造型材料(集团)科左后旗有限公司 A kind of device sorting quartz sand
CN110064506A (en) * 2019-04-30 2019-07-30 长江造型材料(集团)科左后旗有限公司 A kind of quartz sand waterpower sorting cleaning device
CN110282896A (en) * 2019-07-08 2019-09-27 上海第二工业大学 A kind of device and method that fluidized bed continuously washs organic sandstone with ultrasonic wave-coupled
CN112557237A (en) * 2020-12-21 2021-03-26 中山艾尚智同信息科技有限公司 Quick, automatic determination device of sand mud content for building
CN113546753A (en) * 2021-06-10 2021-10-26 昆明理工大学 Pipeline equipment for strengthening desliming of surface of cast quartz sand

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104690221A (en) * 2013-12-10 2015-06-10 彰武县联信铸造硅砂有限公司 Ultrasonic sand washing device
CN107962174A (en) * 2015-04-27 2018-04-27 李天亮 A kind of broken casting bed of ultrasonic wave
CN110064506A (en) * 2019-04-30 2019-07-30 长江造型材料(集团)科左后旗有限公司 A kind of quartz sand waterpower sorting cleaning device
CN110064506B (en) * 2019-04-30 2021-08-24 长江造型材料(集团)科左后旗有限公司 Quartz sand hydraulic separation cleaning device
CN110064503A (en) * 2019-04-30 2019-07-30 长江造型材料(集团)科左后旗有限公司 A kind of quartz sand ultrasonic cleaning equipment
CN110064498A (en) * 2019-04-30 2019-07-30 长江造型材料(集团)科左后旗有限公司 A kind of waterpower method for separating improving quartz sand cleanliness
CN110064501A (en) * 2019-04-30 2019-07-30 长江造型材料(集团)科左后旗有限公司 A kind of water injection type quartz sand method for separating
CN110064505A (en) * 2019-04-30 2019-07-30 长江造型材料(集团)科左后旗有限公司 A kind of device sorting quartz sand
CN110064498B (en) * 2019-04-30 2022-03-11 长江造型材料(集团)科左后旗有限公司 Hydraulic separation method for improving cleanliness of quartz sand
CN110064501B (en) * 2019-04-30 2022-03-08 长江造型材料(集团)科左后旗有限公司 Water injection type quartz sand sorting method
CN110064503B (en) * 2019-04-30 2021-11-30 长江造型材料(集团)科左后旗有限公司 Quartz sand ultrasonic cleaning device
CN110064500A (en) * 2019-04-30 2019-07-30 长江造型材料(集团)科左后旗有限公司 A method of sorting quartz sand
CN110064505B (en) * 2019-04-30 2021-08-24 长江造型材料(集团)科左后旗有限公司 Device for sorting quartz sand
CN110052325A (en) * 2019-05-29 2019-07-26 长江造型材料(集团)科左后旗有限公司 It is a kind of for sorting the control system of quartz sand
CN110282896B (en) * 2019-07-08 2021-10-29 上海第二工业大学 Device and method for continuously washing organic sand and stone by coupling fluidized bed and ultrasonic wave
CN110282896A (en) * 2019-07-08 2019-09-27 上海第二工业大学 A kind of device and method that fluidized bed continuously washs organic sandstone with ultrasonic wave-coupled
CN112557237A (en) * 2020-12-21 2021-03-26 中山艾尚智同信息科技有限公司 Quick, automatic determination device of sand mud content for building
CN113546753A (en) * 2021-06-10 2021-10-26 昆明理工大学 Pipeline equipment for strengthening desliming of surface of cast quartz sand
CN113546753B (en) * 2021-06-10 2024-04-19 昆明理工大学 Pipeline equipment for strengthening desliming of surface of cast quartz sand

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Granted publication date: 20140611