CN208266015U

CN208266015U - Deep sludge dehydrator

Info

Publication number: CN208266015U
Application number: CN201820338914.2U
Authority: CN
Inventors: 宋庭树; 杨玉云
Original assignee: Yixing Kailida Environmental Protection Equipment Co
Current assignee: Wuxi Wankeli Environmental Protection Technology Co., Ltd.
Priority date: 2018-03-12
Filing date: 2018-03-12
Publication date: 2018-12-21
Anticipated expiration: 2028-03-12

Abstract

The utility model discloses a kind of deep sludge dehydrators, and including two sets of rolling mechanisms setting up and down, every set rolling mechanism is wrapped on multiple drum rolls by strainer circulation and is constituted；Part drum roll below the rolling mechanism of top is the part drum roll above the rolling mechanism of lower part, and two strainers are contacted at the part drum roll and are wrapped on the part drum roll jointly.The strainer that the utility model is tensioned by upper and lower two is entrainment of sludge blanket, it is S-type by forming squeezing and shearing force to sludge by the tension of strainer itself from the roll-in cylinder of a succession of regular arrangement, capillary water in sludge blanket is squeezed out, obtain the higher mud cake of solid content, to realize the deep dehydration of sludge, primary dewatering can be to 60% or less moisture content.

Description

Deep sludge dehydrator

Technical field

The utility model relates to device for dehydrating sladge waste technical field, especially a kind of deep sludge dehydrator.

Background technique

Sludge is the solid sediment matter as caused by water and sewage disposal process, and moisture content is high, up to 99% or more, Also containing nutritional ingredients such as a large amount of nitrogen, phosphorus, potassium for promoting plants and crop growth, fertilizer efficiency is preferable, can be with by compost treatment Achieve the purpose that stabilisation, innoxious and recycling.

But due to high organic content, it is smelly to be easy corruption, and particle is thinner, specific gravity is smaller, jelly liquid.It is Concentrated thing between liquid and solid can use pump transport, but it is difficult to be separated by solid-liquid separation by sedimentation.In addition sludge As composting material, it is desirable that the moisture content of raw material just can be carried out aerobic decomposition less than 55%.Therefore sludge dewatering treatment is required 's.

And device for dehydrating sladge waste mainly has plate and frame dewaterer at present, in the state of closed, squeezes by high-pressure pump Sludge passes through the extruding of sheet frame, and the water in sludge is discharged by filter cloth, reaches dehydration purpose；It is good at the dehydration of inorganic sludge. And it squeezes forming after blocking sludge need to dilute again.But easily blocking needs not being suitable for oiliness dirt using high-pressure pump The dehydration of mud, high concentration sludge are pumped into after need to diluting, the waste for causing be dehydrated early period, it is difficult to be realized continuous automatic running, be added Solid powder increase solid content in sludge；Dewatered moisture content of the cake is 50%~80%.

Utility model content

The utility model in view of the deficiencies of the prior art, proposes a kind of deep sludge dehydrator, and clever structure is dirty after processing Mud moisture content is to 60% or less.

In order to realize above-mentioned purpose of utility model, the utility model is the following technical schemes are provided: a kind of deeply dehydrating sludge Machine, including two sets of rolling mechanisms setting up and down, every set rolling mechanism is wrapped on multiple drum rolls by strainer circulation and is constituted； Part drum roll below the rolling mechanism of top is the part drum roll above the rolling mechanism of lower part, and two strainers are rolled in the part It contacts and is wrapped on the part drum roll jointly at pressure cylinder.

Further, which includes running wheel, guide wheel and the high pinch roller that strainer is successively wound, which is equipped with Several, set up two rows separately；Strainer between the running wheel and the guide wheel length be greater than the guide wheel with closely the high pinch roller it Between length.

Further, which is greater than the guide wheel, which is greater than the high pinch roller.

Further, along far from the guide wheel side, strainer length between the high pinch roller of two rows reduces.

Further, which is made of polyethylene terephthalate.

Further, including the first liquid trap, first liquid trap are located at below the part drum roll.

Further, including the second liquid trap, second liquid trap are located at the lower section of lower part rolling mechanism.

Compared with prior art, the utility model has the advantage that the strainer being tensioned by upper and lower two entrainment of sludge Layer, from the roll-in cylinder of a succession of regular arrangement the S-type tension by by strainer itself formed squeezing to sludge and Shearing force squeezes out the capillary water in sludge blanket, obtains the higher mud cake of solid content, to realize that the depth of sludge is de- Water, primary dewatering can be to 60% or less moisture content.

Detailed description of the invention

Fig. 1 is the schematic illustration of the utility model deep sludge dehydrator；

Fig. 2 is the structural schematic diagram of the utility model deep sludge dehydrator；

Diagram label:

Rolling mechanism under the upper rolling mechanism of 1-, the upper strainer of 11-, 2-, 21- lower filter belt, 3- running wheel, 4- guide wheel, 5- high pinch roller, The first liquid trap of 6-, the second liquid trap of 7-, 8- sludge, the dry clod of 9-.

Specific embodiment

The utility model is described in detail with reference to the accompanying drawing, the description of this part be only it is exemplary and explanatory, There should not be any restriction effect to the protection scope of the utility model.

As illustrated in fig. 1 and 2, a kind of deep sludge dehydrator, including upper rolling mechanism 1 and lower rolling mechanism 2, two rolling Mechanism is setting up and down；Upper rolling mechanism 1 winds several drum rolls by upper strainer 11 circulation and constitutes, and lower rolling mechanism 2 is under The circulation of strainer 21, which is wrapped on multiple drum rolls, to be constituted.

Wherein, the part drum roll of upper 1 lower section of rolling mechanism is the part drum roll of lower 2 top of rolling mechanism, that is, It says, which is shared by upper rolling mechanism 1 and lower rolling mechanism 2；Especially upper strainer 11 and lower filter belt 21 are at this It is bonded, and is wrapped on the part drum roll jointly at the drum roll of part.

Since other than the part drum roll, upper strainer 11 and lower filter belt 21 are separated, therefore in upper strainer 11 under Before strainer 21 is bonded, toward addition sludge 8 between the two；Then upper strainer 11 and lower filter belt 21 carry out fitting and roll with part Cylinder contact, so that the sludge being folded between strainer 11 and lower filter belt 21 is squeezed and torn, to be folded in sludge Water leaked out by strainer, after handling by part drum roll, sludge 8 is dehydrated into dry clod 9 and is discharged.

The part drum roll includes running wheel 3, guide wheel 4 and the high pinch roller 5 that strainer is successively wound, which is equipped with several It is a, set up two rows separately；Strainer between the running wheel 3 and the guide wheel 4 length be greater than the guide wheel 4 with closely the high pinch roller 5 it Between length.

By the way that the spacing that various drum rolls are separated by the part drum roll is arranged so that this dewaterer can be carried out low pressure, in Pressure, the high pressure even a variety of filters pressing areas of super-pressure, such as strainer longest between running wheel 3 and guide wheel 4, the active force being subject to is minimum, is low Press filters pressing；Spacing is slightly long between guide wheel 4 and high pinch roller 5, and the active force being subject to is larger, is middle pressure filters pressing.

And for high pinch roller 5, it is set as two rows structure, strainer length between the high pinch roller 5 of two rows reduces, this makes It obtains pressure-filtering process and high pressure filters pressing and super-pressure filters pressing phenomenon occurs.

In conjunction with the size of setting running wheel 3, guide wheel 4 and high pinch roller 5: running wheel diameter is greater than the guide wheel, and the guide wheel diameter is big In the high pinch roller.Above-mentioned deeply dehydrating sludge, can make moisture content is the sludge of 80-85% or so, through high-pressure compressing be dehydrated to Below moisture content 60%.

In this deep sludge dehydrator, strainer uses import special substance: polyethylene terephthalate is made, and has Tensile strength is big, and anti-fold power is strong, and wire side monofilament is uniform, and suppleness is good, wear-resisting, acid and alkali-resistance, high temperature resistant, mud cake have disengaged from, thoroughly The advantages that aqueous good.

This deep sludge dehydrator includes the first liquid trap 6, which is located at below the part drum roll.

Further, this deep sludge dehydrator includes the second liquid trap 7, which is located at lower rolling mechanism 2 Lower section.

There are following technological merits for this deep sludge dehydrator:

1, system operatio is simple, stablize, continuous operation is at low cost, speed of filter pressing is fast, without blocking；

2, dewatered mud cake is met water and is not dissolved, and stability is good, without secondary pollution.

3, have a wide range of application, be suitable for municipal sludge, pharmacy, food processing, petrochemical industry, wine brewing, process hides, printing and dyeing, papermaking, coal The industries such as chemical industry.

4, have continuous operation, reliable and stable, treatment effeciency is high, low power consumption and other advantages.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the protection scope of the utility model.

Claims

1. a kind of deep sludge dehydrator, it is characterised in that: including two sets of rolling mechanisms setting up and down, every set rolling mechanism by One strainer circulation, which is wrapped on multiple drum rolls, to be constituted；Part drum roll below the rolling mechanism of top is on the rolling mechanism of lower part The part drum roll of side, two strainers are contacted at the part drum roll and are wrapped on the part drum roll jointly.

2. deep sludge dehydrator as described in claim 1, it is characterised in that: the part drum roll includes that strainer is successively wound Running wheel, guide wheel and high pinch roller, the high pinch roller are equipped with several, set up two rows separately；Strainer is long between the running wheel and the guide wheel Length between the high pinch roller of degree greater than the guide wheel and closely.

3. deep sludge dehydrator as claimed in claim 2, it is characterised in that: the running wheel diameter is greater than the guide wheel, and the guide wheel is straight Diameter is greater than the high pinch roller.

4. deep sludge dehydrator as claimed in claim 2, it is characterised in that: along far from the guide wheel side, the strainer is upper and lower Length reduces between two rows of high pinch rollers.

5. deep sludge dehydrator as described in claim 1, it is characterised in that: the strainer is polyethylene terephthalate system At.

6. deep sludge dehydrator as described in claim 1, it is characterised in that: including the first liquid trap, which is set Below the part drum roll.

7. deep sludge dehydrator as described in claim 1, it is characterised in that: including the second liquid trap, which is set The lower section of rolling mechanism in lower part.