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牛糞沼液沼渣污泥脫水處理

簡介

牛糞沼液沼渣污泥脫水處理屬于螺旋壓榨脫水機，可以減少沉淀池及污泥濃縮池，節(jié)約污水站建設成本。

巧妙運用自動更新濾餅過濾技術代替了傳統(tǒng)濾篩過濾，自身更新濾餅過濾技術確保脫水機連續(xù)穩(wěn)定的泥水分離效果，通過螺桿直徑和螺距變化產生的強大擠壓力，以及游動環(huán)與固定環(huán)之間的微小縫隙，實現(xiàn)對污泥進行擠壓脫水，是一種新型的固液分離設備。

Multi-Disk Screw Press( Hereinafter referred as MDS ) belongs to the screw press, it's clog-free and can reduce the sedimentation tank and sludge thickening tank, saving the cost of sewage plant construction. MDS using screw and the moving rings to clean itself as clog-free structure, and controlled by the PLC automatically, it's a new technology that can replace the traditional filter press like belt press and frame press, the screw speed is very low, so it cost low power and water consumption in contrast to the centrifuge, it is a cutting edge sludge dewatering machine.

工藝流程

工藝流程說明

1、通過絮凝實驗，確定匹配的絮凝劑種類和投加比例。如果需要用兩種絮凝劑才能有效絮凝的，建議選擇帶有兩個絮凝混合槽的脫水機。污泥池內要設置攪拌裝置，脫水機在運行之前和運行過程中，要持續(xù)攪拌污泥，保證污泥濃度的相對穩(wěn)定。
2、運行MDS313污泥脫水機之前，應先用泡藥裝置泡制好絮凝劑溶液。其中高分子絮凝劑的正常的稀釋倍數(shù)為500-1000倍。污泥通過污泥輸送泵，泡制好的絮凝劑通過加藥泵，按照相應的比例同時投加到絮凝混合槽內，通過攪拌機進行充分混合形成礬花，在濃縮部進行重力濃縮，濾液從濃縮部的濾縫中排出。濾液含固量低，直接回流到原水池。
3、濃縮后的污泥沿著螺旋軸向前推進，在各種合力的作用下在脫水部充分脫水。脫水部的濾液含固量較高，可回流到絮凝混合槽再次脫水。
4、脫水后的泥餅從泥餅排出口排出，直接或通過無軸螺旋輸送機送至運泥車，進行再利用。

參數(shù)及選型

規(guī)格選型

機型	DS 固體負荷(kg/h)		流量負荷(m³/h)
機型	低濃度	高濃度	2000mg/L	4000mg/L	10000mg/L	20000mg/L	25000mg/L	50000mg/L
MDS 101	~ 3	~ 6	~ 1.5	~ 0.75	~ 0.6	~ 0.3	~ 0.24	~ 0.12
MDS 131	~ 6	~ 12	~ 3	~ 1.5	~ 1.2	~ 0.6	~ 0.48	~ 0.24
MDS 132	~ 12	~ 24	~ 6	~ 3	~ 2.4	~ 1.2	~ 0.96	~ 0.48
MDS 201	~ 12	~ 20	~ 6	~ 3	~ 2	~ 1	~ 0.8	~ 0.4
MDS 202	~ 24	~ 40	~ 12	~ 6	~ 4	~ 2	~ 1.6	~ 0.8
MDS 311	~ 30	~ 60	~ 15	~ 7.5	~6	~ 3	~ 2.4	~ 1.2
MDS 312	~ 60	~ 120	~ 30	~ 15	~ 12	~6	~ 4.8	~ 2.4
MDS 313	~ 90	~ 180	~ 45	~ 22.5	~ 18	~ 9	~ 7.2	~ 3.6
MDS 314	~ 120	~ 240	~ 60	~ 30	~24	~ 12	~ 9.6	~ 4.8
MDS 411	~ 60	~ 120	~ 30	~ 15	~ 12	~6	~ 4.8	~ 2.4
MDS 412	~ 120	~ 240	~ 60	~ 30	~ 24	~ 12	~ 9.6	~ 4.8
MDS 413	~ 180	~ 360	~ 90	~ 45	~ 36	~ 18	~ 14.4	~ 7.2
MDS 414	~ 240	~ 480	~ 120	~ 60	~ 48	~24	~ 19.2	~ 9.6
MDS 511	~90	~ 150	~ 45	~ 22.5	~15	~7.5	~ 6	~ 3.5
MDS 512	~ 180	~ 300	~ 90	~ 45	~30	~15	~12	~ 7
MDS 513	~ 270	~ 450	~ 135	~ 67.5	~45	~22.5	~ 18	~ 10.5
MDS 514	~ 360	~ 600	~ 180	~ 90	~60	~30	~ 24	~ 14

選型參考

污泥處理量=DS標準處理量÷污泥濃度（DS是指絕干污泥）

*上述處理量為參考值，根據(jù)污泥性狀的不同，處理量會有所偏差，詳情請在選型時咨詢我司。

*上述處理量是指脫水后泥餅含水率在85%以下為基準的參考值。

*污泥濃度沒有上限，但前提是必須要具有流動性。

*浮渣.加壓氣浮污泥的處理能力是針對食肉加工廠等含油分較多的污泥。

*混合污泥.好氧性消化污泥的處理能力針對的前提條件是污泥的纖維物質（20mesh）含量＞30

*上述機型為我司的標準配置，根據(jù)污泥的性質及客戶的要求可以進行有針對性的規(guī)格變更，從處理量、含水率、固體回收率、運行穩(wěn)定性等方面進一步提高脫水機的性能，詳情請咨詢我司。

Model Reference

① Use three letters and three digits to represent the Model. The letter MDS means machine type—Multi-Disk Screw. Two former digits means the MDS cylinder diameter, the last digit shows the number of the screw shafts, such as MDS 312, it means the MDS cylinder diameter is 310mm, the number of the screw shafts is two.

② Sludge Treatment Capacity=DS Standard Capacity÷Sludge Concentration (DS stands for Dried Sludge, 0% moisture.)

* Throughput of each model is based on sludge cake with 85% water content.

* There is no certain upper limitation on inlet sludge concentration, however, the target sludge must be flowable.

* Throughput of DAF Sludge is based on sludge containing much fat, oil, and grease such as meat processing applications etc.

* Throughput of Mixed Sludge (Primary Sludge and Waste Activated Sludge) and Aerobically Digested Sludge is based on sludge containing more than 30% fiber (200 mesh) against Total Solids.

規(guī)格尺寸

機型	螺旋軸規(guī)格（mm）	泥餅排出口離地面距離（mm）	機型尺寸（mm）			凈重(kg)	運行重量(kg)	功率 (kw)
機型	螺旋軸規(guī)格（mm）	泥餅排出口離地面距離（mm）	長 (L)	寬(W)	高(H)	凈重(kg)	運行重量(kg)	功率 (kw)
MDS 101	Φ100x1	215	1861	736	1072	205	315	0.24
MDS 131	Φ130x1	250	1861	736	1072	205	315	0.24
MDS 132	Φ130x2	250	1929	912	982	275	450	0.36
MDS 201	Φ200x1	350	2580	883	1264	520	720	0.3
MDS 202	Φ200x2	350	2650	1055	1375	720	1000	0.66
MDS 311	Φ310x1	495	3377	930	1670	910	1320	0.74
MDS 312	Φ310x2	495	3576	1260	1670	1350	2090	1.11
MDS 313	Φ310x3	495	3726	1615	1670	1820	2820	1.86
MDS 314	Φ310x4	495	3976	1970	1671	2250	3210	3.1
MDS 411	Φ410x1	585	3826	1061	1990	1100	1900	1.87
MDS 412	Φ410x2	585	4345	1460	1952	2300	3250	3.75
MDS 413	Φ410x3	585	4565	2100	2156	3350	4850	6
MDS 414	Φ410x4	585	4660	2650	2190	4500	6100	8.2
MDS511	Φ510x1	508	4875	1000	2215	1400	2400	2.25
MDS512	Φ510x2	508	5225	1550	2215	2800	3850	4.5
MDS513	Φ510x3	508	5575	2100	2215	3900	4850	6.7
MDS514	Φ510x4	508	5800	2650	2215	4800	6000	9

運行條件

機型 Model	功率(KW)			清洗用水壓 (L/h)	易損件更換周期(h)		清洗水用量(L/h)
機型 Model	螺旋軸	攪拌機	合計	清洗用水壓 (L/h)	螺旋軸	活動環(huán)	清洗水用量(L/h)
MDS 101	0.1	0.1	0.2	0.1Mpa-0.2Mpa	10000	5000	24
MDS 131	0.1	0.1	0.2		10000	5000	24
MDS 132	0.2	0.1	0.3		10000	5000	48
MDS 201	0.2	0.1	0.3		15000	7500	32
MDS 202	0.4	0.2	0.6		15000	7500	64
MDS 311	0.4	0.4	0.8		30000	15000	40
MDS 312	0.8	0.4	1.2		30000	15000	80
MDS 313	1.2	0.75	1.95		30000	15000	120
MDS 314	1.6	1.5	3.1		30000	15000	160
MDS 411	1.5	0.4	1.9		30000	15000	72
MDS 412	3	0.75	3.75		30000	15000	144
MDS 413	4.5	1.5	6		30000	15000	216
MDS 414	6	2.2	8.2		30000	15000	288
MDS511	1.5	0.75	2.25		30000	15000	72
MDS512	3	1.5	4.5		30000	15000	144
MDS513	4.5	2.2	6.7		30000	15000	216
MDS514	6	3	9		30000	15000	288

運行條件

易損品更換時間是個大概數(shù)值，在實際運行過程中，污泥的種類、處理的方式、運行調整狀況以及每天的運行時間，都會影響易損件的更換周期。（易損件更換周期以365天/年，8小時/天的運行時間來計算。）

Running Conditions

Replacement time of vulnerable part is a estimated time, in the actual operation process, the types of sludge, the means of processing, operation adjustment status and the running of the day, will affect the replacement time. (Replacement cycle of vulnerable part is calculated as 365 days per year, 8 hours/day of running time.)

優(yōu)勢

1) 使用廣泛

能廣泛應用于市政污水、食品、飲料、屠宰

養(yǎng)殖、印染、石油化工、造紙、皮革、制藥等各行業(yè)的污泥脫水；

*的脫水原理，使得設備適用于高、低濃

度污泥，從2000mg/L起，開創(chuàng)了低濃度污泥直接

脫水的先河；
創(chuàng)新的結構設計，使得設備適用于高、低粘

度的各類型污泥，特別是含油污泥，堪稱含油

污泥脫水的利器！

Can be widely used in municipal sewage, food, slaughtering breeding, printing and dyeing, oil chemical industry, paper making, leather, pharmaceutical and other industries of sludge dewatering;
Exclusive pre-concentration design, applicable sludge concentration of 2000mg/L-50000mg/L;
Due to the innovation of the structure design, it is highly suitable to various high and low concentration sludge, most especially for the oily ones.

2) 不易堵塞

*的動、靜環(huán)濾縫結構使得設備不易堵塞，無需為防止濾縫堵塞而進行大量清洗，*減少沖洗用水量，減少內循環(huán)負擔，解決了傳統(tǒng)脫水設備堵塞給企業(yè)帶來的煩惱。

Due to rotation of helical axis, the moving rings begin detaching from the fixed rings while continuously starting the self-cleaning process. As a result, the ubiquitous clogging is avoided. Therefore, it can handle oily sludge without any trouble while separating the water from the sludge easily. In addition, there is no need to add large quantity of flushing water and there is no odor and no secondary pollution during the dewatering process.

3) 連續(xù)自動運行
疊螺污泥脫水機從抽出污泥、注入藥液、排出污泥餅

均采用自動控制，通過電控柜，與泡藥機、進泥泵、加藥泵等進行聯(lián)動，不需人員操作設備，運行不會發(fā)生堵塞、濾帶走偏或其他影響工藝安全的現(xiàn)象，日常保養(yǎng)維護簡便，24小時可以連續(xù)無人運行。*次實現(xiàn)了真正意義上污泥脫水連續(xù)全自動運行。

There are no easily blocked pieces such as belt and filtration pore in Multi-Disk Screw Press. Combining with the auto control system, the machine runs very safely and simply and can be programmed according to the requirement of the users. It can operate automatically for 24 hours, unmanned.

4) 節(jié)省運行費用
一體化的整體設計，設計緊湊，大幅度節(jié)省運行費用。低速螺旋擠壓技術，使得耗電量大幅度低；設備不堵塞，沖洗用水大幅度減少；24小時全自動無人運行，人工費大幅度降低。因此，本設備也真正成為符合國家政策的節(jié)能環(huán)保新型設備。

Multi-Disk Screw Press works by the machine’s internal pressure and needs no large scale integrations like rollers. It saves energy and water and has very minimal noise because of low running speed (2-4 r/min). The average unit power consumption is only 0.1-0.01kwh/kg-DS (1/8 of Belt Press and 1/20 of Centrifuge), and can greatly reduce the running cost of wastewater treatment system.

5) 節(jié)省工程投資
疊螺污泥脫水機本身具備污泥濃縮功能，直接處理曝氣池內好氧污泥，不需要濃縮及貯存單元，減少污水處理設施整體的占地空間和建設成本。

Multi-Disk Screw Press can treat sludge in aeration tank and secondary sedimentation tank without setting sludge thickeners. Therefore, this can decrease the total investment, avoid phosphorus release from the sludge thickeners and sludge storage tanks and enhance phosphorus removal effect of the wastewater treatment system.
Save construction investments on sludge thickeners and costs on mixers, air compressors, flushing pumps and other auxiliary equipment.
Occupy smaller space, reducing the construction investment on dewatering room.

產品比較

構造原理

的主體是由多重固定環(huán)和游動環(huán)構成，螺旋軸貫穿其中形成的過濾裝置.前段為濃縮部，后段為脫水部，將污泥的濃縮和壓榨脫水工作在一筒內完成，以*微妙的濾體模式取代了傳統(tǒng)的濾布和離心的過濾方式。

Layers of the spacers, which are Fixed and Moving Rings, are secured in place by a tie rod. The inner diameters of the Moving Rings are slightly smaller than the outer diameter of the screw and their rings. Mobilized by the screw, it continuously cleans the sludge out of the gaps, therefore, preventing clogging.

脫水原理

污泥在濃縮部經過重力濃縮后,被運輸?shù)矫撍?在前進的過程中隨著濾縫及螺距的逐漸變小,以及背壓板的阻擋作用下,產生*的內壓,容積不斷縮小,達到充分脫水的目的。

The initial section of dewatering drum is the Thickening Zone, where the solid-liquid separating process takes place and where the filtrate will also be discharged. The pitch of the screw and the gaps between the rings decrease at the end of dewatering drum, hence increasing its internal pressure. At the end, the End Plate further increases the pressure, so as to discharge dry sludge cake.