CN216538182U

CN216538182U - Slurry conveying system

Info

Publication number: CN216538182U
Application number: CN202122979219.9U
Authority: CN
Inventors: 陈挺; 夏于友; 王聪颖
Original assignee: Chongqing Pengkai Fine Chemicals Co ltd
Current assignee: Chongqing Pengkai Fine Chemicals Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-17
Anticipated expiration: 2031-11-30

Abstract

The utility model provides a thick liquids conveying system, includes thick liquids intermediate storage tank, thick liquids transfer pump, thick liquids homogeneous emulsification pump, the tank inner space of thick liquids intermediate storage tank is equipped with agitating unit, and the tank bottoms of thick liquids intermediate storage tank sets up the bin outlet, and through the switching of relief valve control, the feed end of thick liquids transfer pump links to each other with the relief valve through first pipeline, and the discharge end of thick liquids transfer pump passes through the second pipeline and links to each other with the feed end of thick liquids homogeneous emulsification pump, the third pipeline is connected to the discharge end of thick liquids homogeneous emulsification pump for to the centrifuge feed, be equipped with first valve on the third pipeline. The utility model has simple structure and convenient operation, can crush the particles in the conveyed slurry to below 1mm, ensures the slurry to be uniform and stable, reduces the washing water, and meets the actual requirements of enterprises.

Description

Slurry conveying system

Technical Field

The utility model relates to the field of chemical industry, in particular to a slurry conveying system.

Background

Chemical enterprises generally use pipelines to convey slurry to a centrifugal machine, the slurry is subjected to solid-liquid separation under the action of the centrifugal machine, the obtained solid material is washed by washing water to be clean, and finally the product is obtained and packaged or an intermediate product is used for downstream processes.

However, since large particle materials usually exist in the slurry, the solid materials obtained by centrifugal separation need to consume more washing water for washing, so that the washing water consumption is high, the washing efficiency is low, and the actual requirements of enterprises cannot be met.

Therefore, how to design a conveying system capable of reducing large-particle materials in slurry and further facilitating the downstream process economy is a problem to be solved urgently by those skilled in the art.

Disclosure of Invention

The utility model aims to provide a slurry conveying system aiming at the defects of the prior art, which has a simple structure and is convenient to operate, can crush particles in the conveyed slurry to be less than 1mm, ensures the uniformity and stability of the slurry, reduces the washing water, and meets the actual requirements of enterprises.

The technical scheme of the utility model is as follows: the utility model provides a thick liquids conveying system, includes storage tank, thick liquids transfer pump, thick liquids homogeneity emulsification pump in the middle of the thick liquids, the tank inner space of storage tank is equipped with agitating unit in the middle of the thick liquids, and the tank bottoms of storage tank sets up the bin outlet in the middle of the thick liquids, and through the switching of relief valve control, the feed end of thick liquids transfer pump links to each other with the relief valve through first pipeline, and the discharge end of thick liquids transfer pump passes through the second pipeline and links to each other with the feed end of thick liquids homogeneity emulsification pump, the third pipeline is connected to the discharge end of thick liquids homogeneity emulsification pump for to the centrifuge feed, be equipped with first valve on the third pipeline.

The slurry transfer pump is a cam pump.

The slurry storage tank is characterized by further comprising a return pipeline, the upstream end of the return pipeline is connected to the third pipeline and located at the upstream of the first valve, the downstream end of the return pipeline is connected with the feed inlet of the slurry intermediate storage tank, and the return pipeline is provided with a second valve.

And the third pipeline is also provided with a three-way valve which is positioned at the upstream of the connecting point between the return pipeline and the third pipeline.

The second pipeline is a hose, and the downstream end of the second pipeline is detachably connected with the feed end of the slurry homogenizing and emulsifying pump.

The hot water supply device is characterized by further comprising a fourth pipeline, wherein the downstream end of the fourth pipeline is connected with the first pipeline and is located between the discharge valve and the slurry transfer pump, the upstream end of the fourth pipeline is used for being connected with a hot water source, and a third valve is arranged on the fourth pipeline.

Adopt above-mentioned technical scheme to have following beneficial effect:

1. the slurry conveying system comprises a slurry intermediate storage tank, a slurry transfer pump and a slurry homogenizing emulsification pump, wherein the slurry intermediate storage tank is used for temporarily storing slurry and pretreating the slurry, and the slurry homogenizing emulsification pump is used for crushing large-particle matters in the slurry until the particle size is smaller than 1 mm. The tank inner space of the slurry intermediate storage tank is provided with a stirring device, the slurry temporarily stored in the slurry intermediate storage tank is decelerated and buffered, and is uniformly stirred by the stirring device, so that the solid materials in the slurry are uniformly distributed, and the blocking phenomenon caused by the deposition of the solid materials is avoided. The tank bottom of the slurry intermediate storage tank is provided with a discharge port, and the opening and the closing of the discharge port are controlled by a discharge valve. The feed end of thick liquids transfer pump links to each other with the relief valve through first pipeline, and the discharge end of thick liquids transfer pump links to each other through the feed end of second pipeline and thick liquids homogeneity emulsification pump, the third pipeline is connected to the discharge end of thick liquids homogeneity emulsification pump for to the centrifuge feed, be equipped with first valve on the third pipeline, the thick liquids of stirring mixing through agitating unit are delivered to thick liquids homogeneity emulsification pump by thick liquids transfer pump, smash the large granule material in the thick liquids to particle diameter 1mm below, arrange to centrifuge through the third pipeline again for the centrifugation does not contain the large granule material in the solid material who obtains, can show improvement washing efficiency, and reduces the water consumption of washing, improves the economic nature of thick liquids low reaches process.

2. The slurry homogenizing emulsification pump is characterized by further comprising a return pipeline, the upstream end of the return pipeline is connected to the third pipeline and located at the upstream of the first valve, the downstream end of the return pipeline is connected with a feed inlet of the slurry intermediate storage tank, the second valve is arranged on the return pipeline, when the slurry subjected to one-level homogenizing treatment cannot meet the actual requirements of an enterprise, the second valve is opened by closing the first valve, the slurry subjected to one-level homogenizing treatment returns to the slurry intermediate storage tank and is then conveyed to the slurry homogenizing emulsification pump for homogenizing again, or repeated operation is carried out for homogenizing for multiple times, and the actual requirements of the enterprise can be effectively met.

3. Still be equipped with the three-way valve on the third pipeline, be located the upper reaches of the tie point between return line and the third pipeline, the second pipeline is the hose, and the low reaches end of second pipeline is detachable connection with the feed end of thick liquids homogeneous emulsification pump, when thick liquids are up to standard, when not needing homogenization treatment, can be with the second pipeline with the separation of thick liquids homogeneous emulsification pump back, directly link to each other with the three-way valve, make the second pipeline walk around thick liquids homogeneous emulsification pump, link to each other with the third pipeline, directly to the centrifuge feed, satisfy enterprise's actual demand.

4. Still include the fourth pipeline, the low reaches end and the first pipeline of fourth pipeline link to each other, are located the low reaches of relief valve, and the upper reaches end of fourth pipeline is used for linking to each other with the hot water source, be equipped with the third valve on the fourth pipeline, after the thick liquids in the storage tank finishes discharging in the middle of the thick liquids, can open the third valve, provide high-pressure hot water to thick liquids intermediate storage tank, first pipeline and wash, avoid taking place the condition of putty, improve the utilization ratio of thick liquids simultaneously.

The following further description is made with reference to the drawings and specific examples.

Drawings

FIG. 1 is a schematic diagram of the connection of the present invention.

In the attached drawing, 1 is a slurry intermediate storage tank, 2 is a slurry transfer pump, 3 is a slurry homogenizing emulsification pump, 4 is a stirring device, 5 is a discharge valve, 6 is a return line, 7 is a three-way valve, 11 is a first pipeline, 12 is a second pipeline, 13 is a third pipeline, 14 is a fourth pipeline, a is a first valve, b is a second valve, and c is a third valve.

Detailed Description

In the utility model, the equipment or the component which is not marked with a specific structure or model is generally conventional equipment or component in the chemical field, and the equipment or the component which is not marked with a specific connection mode is generally a conventional connection mode in the chemical field or a connection mode suggested by a manufacturer.

Referring to fig. 1, a specific embodiment of a slurry delivery system is shown. The slurry conveying system comprises a slurry intermediate storage tank 1, a slurry transfer pump 2 and a slurry homogenizing emulsification pump 3, and particularly, a feed inlet and an exhaust outlet are formed in the top of the slurry intermediate storage tank, and generally, the slurry intermediate storage tank is provided with a heat exchange interlayer, and steam is utilized to heat up/preserve the temperature of the slurry. The tank inner space of the slurry intermediate storage tank 1 is provided with a stirring device 4, the tank bottom of the slurry intermediate storage tank 1 is provided with a discharge port, and the opening and the closing are controlled by a discharge valve 5. The feed end of thick liquids transfer pump 2 links to each other with blow-off valve 5 through first pipeline 11, and the blow-off end of thick liquids transfer pump 2 passes through second pipeline 12 and links to each other with the feed end of thick liquids homogeneous emulsification pump 3, and is concrete, and the thick liquids transfer pump adopts the cam pump, and the second pipeline adopts the hose, and be detachable connection between the feed end of thick liquids homogeneous emulsification pump. Third pipeline 13 is connected to thick liquids homogeneous emulsification pump 3's discharge end for to the centrifuge feed, be equipped with first valve an on the third pipeline 13, in this embodiment, still be provided with return line 6, return line 6's upstream end is connected on third pipeline 13, is located first valve an's upper reaches, and return line 6's downstream end links to each other with the feed inlet of thick liquids intermediate storage tank 1, sets up second valve b on this return line 6, still is equipped with three-way valve 7 on the third pipeline 13, is located the upper reaches of the tie point between return line 6 and the third pipeline 13.

Furthermore, the slurry transfer pump further comprises a fourth pipeline 14, a downstream end of the fourth pipeline 14 is connected with the first pipeline 11 and is located between the discharge valve 5 and the slurry transfer pump 2, an upstream end of the fourth pipeline 14 is used for being connected with a hot water source, and a third valve c is arranged on the fourth pipeline 14.

The working principle of the utility model is that the slurry is firstly conveyed to a slurry intermediate storage tank, is fully stirred and uniformly mixed, then passes through a first pipeline, a slurry transfer pump and a second pipeline to a slurry homogenizing and emulsifying pump, large-particle materials in the slurry are crushed to the particle size of less than 1mm, and then is discharged to a centrifugal machine through a third pipeline, so that the solid materials obtained by centrifugation do not contain the large-particle materials, the washing efficiency can be obviously improved, the water consumption for washing is reduced, and the economical efficiency of the downstream process of the slurry is improved. When detecting that the slurry passing through the homogenizing emulsifying pump still contains more large-particle solid materials, closing the first valve and opening the second valve to return the slurry subjected to the first-stage homogenization to the intermediate slurry storage tank, then conveying the slurry to the homogenizing emulsifying pump for homogenization again, or repeatedly operating the homogenizing emulsifying pump for multiple times of homogenization, so that the actual requirements of enterprises can be effectively met. When the thick liquids reach standard, when not needing the homogenization, can with the second pipeline with thick liquids homogeneity emulsification pump separation back, directly link to each other with the three-way valve, make the second pipeline walk around thick liquids homogeneity emulsification pump, link to each other with the third pipeline, directly satisfy the actual demand of enterprise to the centrifuge feed. After the slurry in the intermediate slurry storage tank is discharged, the third valve can be opened, high-pressure hot water is provided for the intermediate slurry storage tank and the first pipeline to be washed, the situation of material blockage is avoided, and the utilization rate of the slurry is improved.

Claims

1. A slurry delivery system, characterized by: comprises a slurry intermediate storage tank (1), a slurry transfer pump (2) and a slurry homogenizing emulsification pump (3),

the inner space of the intermediate slurry storage tank (1) is provided with a stirring device (4), the bottom of the intermediate slurry storage tank (1) is provided with a discharge port, and the opening and the closing are controlled by a discharge valve (5),

the feed end of thick liquids transfer pump (2) links to each other with blow-off valve (5) through first pipeline (11), and the discharge end of thick liquids transfer pump (2) passes through the feed end of second pipeline (12) and thick liquids homogeneity emulsification pump (3) and links to each other, third pipeline (13) are connected to the discharge end of thick liquids homogeneity emulsification pump (3) for to the centrifuge feed, be equipped with first valve (a) on third pipeline (13).

2. The slurry delivery system according to claim 1, wherein: the slurry transfer pump (2) is a cam pump.

3. The slurry delivery system according to claim 1, wherein: still include return line (6), the upper reaches end of return line (6) is connected on third pipeline (13), is located the upper reaches of first valve (a), and the downstream end of return line (6) links to each other with the feed inlet of thick liquids intermediate storage tank (1), sets up second valve (b) on this return line (6).

4. The slurry delivery system according to claim 3, wherein: and a three-way valve (7) is further arranged on the third pipeline (13) and is positioned at the upstream of the connection point between the return pipeline (6) and the third pipeline (13).

5. The slurry delivery system according to claim 4, wherein: the second pipeline (12) is a hose, and the downstream end of the second pipeline (12) is detachably connected with the feed end of the slurry homogenizing and emulsifying pump (3).

6. The slurry delivery system according to claim 1, wherein: the slurry transfer pump is characterized by further comprising a fourth pipeline (14), the downstream end of the fourth pipeline (14) is connected with the first pipeline (11) and located between the discharge valve (5) and the slurry transfer pump (2), the upstream end of the fourth pipeline (14) is used for being connected with a hot water source, and a third valve (c) is arranged on the fourth pipeline (14).