CGLC 40A型溜槽是在我廠引進(jìn)的美國、俄羅斯溜槽和國內(nèi)龍江I型溜槽的基礎(chǔ)上，吸收其先進(jìn)結(jié)構(gòu)的優(yōu)點(diǎn)進(jìn)行設(shè)計(jì)制造的，并經(jīng)過多次生產(chǎn)實(shí)驗(yàn)，多次改進(jìn)后生產(chǎn)定型的。它具備以下各項(xiàng)優(yōu)點(diǎn)：
1、金礦砂處理量大，每小時(shí)可洗選礦砂60 - 80m3/h，砂石≤ 10mm時(shí)可達(dá) 150 m3/h。
2、結(jié)構(gòu)合理，強(qiáng)度高，可拆裝性強(qiáng)，便于運(yùn)輸搬遷。
3、采金回收率高，回收率可達(dá)到85-90%，不但能回收粒狀金、片狀金，還可回收微粒金。
4、適應(yīng)性很強(qiáng)，可在任何條件的礦體內(nèi)選礦。
| CGLC 40A型雙層組合式砂金選礦溜槽技術(shù)參數(shù) | ||
| 礦砂處理量： | m3/h | 40 |
| 總用水量： | m3/h | 585 |
| 10"寸泵（噴水管） | m3/h | 540 |
| 3"寸泵（水槍） | m3/h | 45 |
| 電機(jī)總?cè)萘?/td> | kw | 25 |
| 10"寸泵電機(jī)功率 | kw | 17 |
| 3"寸泵電機(jī)功率 | kw | 5.5 |
| 潛水泵電機(jī)功率 | kw | 0.7 |
| 溜槽流程 | ||
| 主溜槽 | m | 5 |
| 副溜槽 | m | 6.2 |
| 溜槽寬度 | ||
| 主溜槽 | mm | 800 |
| 副溜槽（上口） | m | 608 |
| （下口） | m | 838 |
| 溜格數(shù) | ||
| 主溜格 | 個(gè) | 8 |
| 副溜格（兩邊） | 個(gè) | 18 |
| 溜槽安裝角度 | （°） | 11-12 |
| 塑料毛氈總長 | m | 15 |
| 外形尺寸 | m | 11×2.5×1.84 |
| 總質(zhì)量 | t | 8 |
1、上料臺(tái)：是承裝礦砂料的部位，也是充分造漿的部位。
2、篩分裝置：篩分裝置由篩板和大小分流箱組成。
3、溜槽：溜槽分主溜槽、副溜槽。主溜槽在中間，副溜槽分置兩側(cè)。是采金選礦的主要部位。
4、溜格：溜格分主溜格、副溜格。主溜槽內(nèi)放9個(gè)主溜格，副溜槽內(nèi)（每側(cè)）放11個(gè)副溜格。
5、底坐：由4根地梁和11根橫梁組成，上述三大部件按順序組裝在底座上，組成一臺(tái)完整溜槽。
6、主噴水管：是采金選礦的水源裝置，它由12寸混流泵供水，裝在斜篩板上方。
7、副噴水管：補(bǔ)充主噴水管水量，擴(kuò)大噴水范圍，在主噴水管尾部接6寸膠管與副噴水接通，裝在方篩板上方。
8、塑料毛氈：鋪在主、副溜槽底部，是珍藏砂金的主要部位。
9、電氣裝置：可用柴油機(jī)帶動(dòng)，也可用發(fā)電機(jī)組，有電路地區(qū)，也可用電動(dòng)機(jī)驅(qū)動(dòng)。
10、附屬設(shè)備：砂金精選機(jī)、金砂箱。
安裝位置選定后，用推土機(jī)將剝離的非礦砂推成角度為10º-12º，長14m，寬5m的坡形基座，上面鋪上6-8根枕木，操平，按先后順序?qū)⒘锊劢M裝在座機(jī)上，各連接部用螺栓連接，用力把緊。根據(jù)砂金顆粒大小和形狀，確定溜槽安裝角度。當(dāng)粒狀金或以大、中粒為主時(shí)，宜坡度稍大，當(dāng)砂金顆粒小，以片狀、微粒金為主時(shí)，宜坡度稍小；以保證回收率。溜槽角度確定后，調(diào)好定位。
按選定位置安裝水泵，并用膠管連接成回路。
安裝好動(dòng)力線和電氣操縱裝置。
一切準(zhǔn)備就緒后，接通電源和水泵進(jìn)行試溜，試溜成功，就可投入生產(chǎn)。每八小時(shí)清溜一次，在清溜前，先停止供料，繼續(xù)供水，清洗5-10分鐘后停水。取出主、副溜格將毛氈上的浮砂收起放入金砂箱，然后將毛氈卷起放入金砂箱抖洗，毛氈洗凈后放回溜槽內(nèi)，繼續(xù)生產(chǎn)。將金砂箱內(nèi)的金砂，用鍬放入精選機(jī)上進(jìn)行精選，然后經(jīng)過人工精淘產(chǎn)出砂金。
1、上料臺(tái)、主、副溜槽各篩板為鋼板焊接而成，在供料、推尾砂和搬遷運(yùn)輸中，嚴(yán)防碰撞以防嚴(yán)重變形，造成停產(chǎn)。
2、在洗選中，在額定容量內(nèi)，主、副槽內(nèi)必須有足夠水，如水量不均或不夠，應(yīng)及時(shí)調(diào)整水泵，溜槽內(nèi)的礦漿液固比一般為10-12：1，礦漿流速為1.4 - 1.6米/秒,安裝溜槽時(shí),橫向應(yīng)保持水平.
3、溜槽篩板用于礦砂篩分選礦，當(dāng)篩孔嚴(yán)重堵塞時(shí)，應(yīng)在清溜時(shí)及時(shí)清除。
4、在洗選中，清溜時(shí)間根據(jù)實(shí)際情況定。當(dāng)金粒較大時(shí)，宜8-10小時(shí)清溜一次，當(dāng)金粒較小或片狀時(shí)宜6- 8小時(shí)清溜一次。
5、溜槽搬遷時(shí)，距離遠(yuǎn)應(yīng)解體分組搬遷，在新基座上組裝，其安裝順序和要求同前。連接螺栓必順緊固。距離近時(shí)，整體搬遷，必順拉牽引杠，牽引杠穿在地梁兩端各孔內(nèi)，不準(zhǔn)牽引其它部位。
CGLC 40A Combined Placer Gold Separation Chute is designed and manufactured by assimilating advantages of the advanced structure on the basis of American chute imported by our factory and Longjiang 1 Model Chute in China. It also has undergone many production tests and improvements with its advantages as follows:
A．Large capacity of handling placer gold at a washing capacity of 60 -80m3/h.
B．Rational structure, high strength, removable and easy to be transported and transferred.
C．High recovery in gold mining at a rate of 75-80%, recovering not only granular gold and platelet gold but particulate gold.
D．Strong adaptability and applicable for beneficiation of ore deposits at any conditions.
| CGLC 40A Model | ||
| Mineral sand handling capacity： | m3/h | 40 |
| Overall water consumption： | m3/h | 585 |
| 10'' pump（water spray pipe） | m3/h | 540 |
| 3'' pump（water gun） | m3/h | 45 |
| Over capacity of motor | kw | 25 |
| 10''pump motor power | kw | 22 |
| 3''pump motor power | kw | 5.5 |
| Submerged pump motor power | kw | 0.7 |
| Sluice flowsheet | ||
| Primary sluice | m | 5 |
| Secondary sluice | m | 6.2 |
| Sluice length | ||
| Primary sluice | mm | 800 |
| Secondary sluice（Upper opening） | m | 608 |
| Secondary sluice（Lower opening） | m | 838 |
| No. of Sluice lattice | ||
| Primary sluice | Piece | 8 |
| Secondary sluice lattice（two edges） | Piece | 18 |
| Sluice mounting angle | （°） | 11-12 |
| Overall length of plastic felt | m | 15 |
| Outside dimension | m | 11×2.5×1.84 |
| Overall quality | t | 8 |
A．Feeding platform - section of carrying gold placer materials and place where pulp is fully produced.
B．Screening device – composed of screen plate and separation box.
C．Chute – including primary chute and secondary chute with the primary chute put in place in middle and the secondary chute on both sides; major part of gold mining and separation.
D．Chute – including primary chute and secondary chute with the former housing 9 lattices and the latter containing 11 lattices on every side.
E．Base – made up of 4 ground beams and 11 cross beams, which are mounted on the base in order, forming a complete chute.
F．Main water spraying pipe – water source device for gold mining and separation, composed of 12 in flow blending pump for water supply which is mounted above inclined screen plate.
G．Secondary water spraying pipe – replenishing water volume for the primary water spraying pipe and expanding area of water spraying, connecting with the primary water spray by linking 6 in rubber pipe at its end; mounted above the square screen plate.
H．Plastic felt – covered at the bottoms of the primary and secondary chutes, a main area for storing placer gold.
I．Electrical device – driven by either diesel engine or electrical generator; If electric circuit is available in the area, electrical motor can be used for operation.
J．Auxiliary equipment: placer gold separator and gold placer box.
After the position of installation is selected, stripped waste rock will be pushed by bulldozer to form slope foundation with dip angle 100~120, 14 meters in length and 5 meters in width. 6~8 pieces of timber sleeper are put on the foundation and then leveled. The chute will be assembled on the foundation according to sequences. Each connecting points will be connected with bolts. All bolts must be tightened. The installation angle of chute will be determined according to the size and shape of placer gold particles. The slope of chute should be slightly large, when platelet gold or large and medium particles of placer gold are dominant. The slope of chute should be slightly small, when the platelet and particulate gold and small particles of placer gold are dominant to ensure recovery. After the angle of the chute is determined, the position of the chute will be adjusted.
Water pump should be installed on the position selected, and connected to form return circuit with rubber hose.
Power line and electric operating equipment should be installed properly.
When everything is ready, power supply and water pump will be connected to conduct chute beneficiation experiment. If the experiment is successful, the chute can be used in production. The chute should be cleaned every 8 hours. Before cleaning, feeding should be stopped, and water should be supplied continuously. After cleaning 5~10 minutes, the supply of water should be stopped. Main and auxiliary chute lattices are taken out, and floating sands on the hair felt are collected to the gold sand tank before rolling up the hair felt and putting it into the gold tank for vibrating and washing . After being cleaned, the hair felt is put back into the chute, and is used to produce gold placer again. The gold sand in the gold placer tank will be sent with spade to cleaning machine to product cleaning. Then gold placer will be produced via manual fine elutriation.
A．The plates of feeding platform, primary chute and secondary chute are welded with steel plate and should be protected from collision to avoid deformation during material supply, feeding tailing and transport.
B．During washing, adequacy water in primary chute and secondary chute should be ensured at rated capacity and adjustment of pump should be done timely in case of shortage of water supply. Generally solid-liquid ratio of slurry in the chute is 10~12:1, flow velocity is 1.4~ 1.6 m/s. Lateral of chute should be kept level.
C．Screen plate of the chute is used for screening placer gold. When screen holes are blocked, it should be cleaned timely.
D．In washing, cleaning time of chute is determined according to actual situation. If gold grain is bigger, a cleaning chute per 8~10 h., if gold grain is small or platelet gold, a cleaning chute per 6~8 h.
E．In moving chute for long distance, disassembly moving should be done, assembly on new base should be according to previous installation sequence, jointing bolt must be tightened. If chute is moved in whole unit, drawbar must be used, passing hole in two ends of ground beam, other part of chute can be not drawn.
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