Continuous layering device for solid-containing liquid materials with different densities

Abstract

The utility model provides a solid-containing liquid material continuous layering device with different densities, which comprises a high-pressure kettle, a plurality of filters and a layering tank, the high-pressure kettle is respectively connected with the filters through pipelines, the filters are all connected with the layering tank through pipelines, and the layering tank is connected with the high-pressure kettle through pipelines. The layering tank is provided with an upper-layer discharge port, a middle-layer discharge port and a lower-layer discharge port, the upper-layer discharge port is connected with a distillation kettle through an upper-layer material pipe, the middle-layer discharge port flows back to the filter through a middle-layer turbid liquid pipe, and the lower-layer discharge port is connected with a wastewater tank through a lower-layer wastewater pipe. The continuous layering device for the solid-containing liquid materials with different densities, disclosed by the utility model, is continuous layering equipment, and meanwhile, a middle-layer catalyst is removed and applied to production; the device can realize a continuous layering function of liquid materials with different densities, and meanwhile, the purpose of secondary filtration of middle-layer turbid liquid is realized; the transformation technology is simple, cost is low, and wide application and popularization can be achieved.

Description

Technical Field

[0001] The utility model belongs to the field of chemical industry, and particularly relates to a device for continuously layering liquid materials with different densities containing solids. Background Art

[0002] Our company's product A is produced by filter filtration during the production process. After filtration, the product is transported to a stratification tank, where it takes a long time to stand and stratify. After one filtration, the filtrate still contains a small amount of catalyst. Since the catalyst density is less than the density of water but greater than the product density, the catalyst is contained in the middle layer liquid of the stratification tank. In order to completely remove the catalyst in the middle layer of the product, a filter needs to be added to the back-end process, which increases the equipment cost. The catalyst cannot be returned to the hydrogenation kettle after filtration, which increases the cost of the catalyst raw materials. At the same time, the long standing and stratification time affects the production capacity. Summary of the invention

[0003] In view of this, the utility model aims to overcome the defects in the prior art and proposes a device for continuously layering liquid materials of different densities containing solids.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] A device for continuously stratifying liquid materials of different densities containing solids, comprising an autoclave, a plurality of filters and a stratification tank, wherein the autoclave is connected to the filters respectively through pipelines, the filters are connected to the stratification tank through pipelines, the stratification tank is provided with an upper layer discharge port, a middle layer discharge port and a lower layer discharge port, the upper layer discharge port is connected to a distillation kettle through an upper layer material pipe, the middle layer discharge port is refluxed to the filters through a middle layer turbid liquid pipe, and the lower layer discharge port is connected to a wastewater tank through a lower layer wastewater pipe.

[0006] Furthermore, a feed pipe is provided on the stratification tank, and the feed pipe extends into the middle and lower part of the stratification tank; and a pneumatic shut-off valve is provided on the feed pipe.

[0007] Furthermore, the upper layer discharge port is located at the upper middle part of the stratification tank, the middle layer discharge port is located at the lower part of the stratification tank, and the lower layer discharge port is located at the bottom of the stratification tank.

[0008] Furthermore, the bottom of the feed pipe is located between the upper layer discharge port and the middle layer discharge port.

[0009] Furthermore, the stratified tank is provided with a reflux pipeline, one end of which is connected to the bottom of the stratified tank, and the other end is connected to the top of the stratified tank, and a liquid level gauge is provided on the reflux pipeline. The liquid level gauge is interlocked with the pneumatic shut-off valve on the reflux pipeline.

[0010] Furthermore, a density detector and a pneumatic shut-off valve are provided on the upper material pipe, and the density detector and the pneumatic shut-off valve are interlocked;

[0011] The middle layer turbid liquid pipe is provided with a density detector and a pneumatic shut-off valve, and the density detector and the pneumatic shut-off valve are interlocked;

[0012] The lower wastewater pipe is provided with a density detector and a pneumatic cut-off valve, and the density detector and the pneumatic cut-off valve are interlocked.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] The utility model discloses a device for continuously stratifying liquid materials of different densities containing solids, which is a continuous stratification device, and can simultaneously remove the catalyst in the middle layer and apply it to production. Specifically, the stratification effect is achieved in the stratification tank by utilizing the density difference between solids and liquids, and the material pipe is extended to a specific length, and an online density detector and a pneumatic shut-off valve are respectively installed on the upper material pipe, the middle turbid liquid pipe, and the lower waste water pipe and interlocked, the middle turbid liquid pipe is connected to the discharge pipe of the autoclave, and the liquid material is transported to the filter for secondary filtration, and the catalyst in the filter is back-blown to the autoclave by nitrogen.

[0015] The device for continuously layering liquid materials with different densities containing solids described in the utility model solves the problem of adding an additional filter because the material still contains a small amount of solids after the product passes through the filter, and at the same time achieves the effect of continuous layering of liquids with different densities. The upper layer of liquid material is directly transported to the distillation kettle through a pipeline for distillation production, the middle layer of material is filtered again through the filter through a pipeline, and the lower layer of wastewater is directly transported to the wastewater tank, thereby achieving the function of continuous layering of liquid materials with different densities and the purpose of secondary filtration of the middle layer of turbid liquid; and the transformation technology is simple and low-cost, and can be widely promoted and used. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of a device for continuously layering liquid materials of different densities containing solids according to an embodiment of the utility model.

[0018] Description of reference numerals:

[0019] 1. Autoclave; 2. Filter; 3. Stratification tank; 4. Density detector; 5. Pneumatic shut-off valve; 31. Upper layer outlet; 32. Middle layer outlet; 33. Lower layer outlet; 34. Feed pipe; 35. Reflux pipeline; 36. Liquid level meter. DETAILED DESCRIPTION

[0020] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0021] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0023] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0024] like Figure 1As shown, a device for continuously stratifying liquid materials of different densities containing solids comprises an autoclave 1, two filters 2 and a stratification tank 3, wherein the autoclave 1 is connected to the filters 2 respectively through pipelines, and the filters 2 are connected to the stratification tank 3 through pipelines, and the stratification tank 3 is provided with an upper layer discharge port 31, a middle layer discharge port 32 and a lower layer discharge port 33, wherein the upper layer discharge port 31 is connected to the distillation kettle through an upper layer material pipe, the middle layer discharge port 32 flows back to the filter 2 through a middle layer turbid liquid pipe, and the lower layer discharge port 33 is connected to the wastewater tank through a lower layer wastewater pipe.

[0025] The stratified tank 3 is provided with a feed pipe 34, which extends into the middle and lower part of the stratified tank 3; the feed pipe 34 is provided with a pneumatic shut-off valve 5. The upper layer discharge port 31 is located at the middle and upper part of the stratified tank 3, the middle layer discharge port 32 is located at the lower part of the stratified tank 3, and the lower layer discharge port 33 is located at the bottom of the stratified tank 3. The bottom of the feed pipe 34 is located between the upper layer discharge port 31 and the middle layer discharge port 32.

[0026] The stratified tank 3 is provided with a reflux pipeline 35, one end of which is connected to the bottom of the stratified tank 3, and the other end is connected to the upper part of the stratified tank 3, and a liquid level gauge 36 is provided on the reflux pipeline 35. The liquid level gauge 36 is interlocked with the pneumatic shut-off valve 5 on the reflux pipeline 35.

[0027] The upper material pipe is provided with a density detector 4 and a pneumatic cut-off valve 5, and the density detector 4 and the pneumatic cut-off valve 5 are interlocked; the middle turbid liquid pipe is provided with a density detector 4 and a pneumatic cut-off valve 5, and the density detector 4 and the pneumatic cut-off valve 5 are interlocked; the lower wastewater pipe is provided with a density detector 4 and a pneumatic cut-off valve 5, and the density detector 4 and the pneumatic cut-off valve 5 are interlocked.

[0028] In this embodiment, the stratified tank 3 adopts a 2.5 cubic tank body with a height of about 2.5m. The density of the upper layer material in the stratified tank 3 is 0.625g / cm 3 , the density of the lower layer material (water) is 1-1.10g / cm 3 The density of the middle layer material is 0.833g / cm 3 The middle discharge port is 30cm away from the bottom of the tank, the upper discharge port 31 is about 110cm away from the bottom of the tank, and the feed pipe 34 extends to the bottom of the tank at a distance of 70-75cm.

[0029] The working process is as follows: the liquid material is pressed out of the autoclave 1 by using 0.4Mpa nitrogen gas in the autoclave, and passes through the filter 2 (F102A or F102B), and the filtrate is passed through the pipeline to the stratification tank 3. When the stratification tank 3 reaches a certain liquid level, the lower layer of wastewater is passed through the pipeline to the wastewater tank, and the middle layer of solid-liquid mixture is passed through the pipeline to the filter 2 (F102A or F102B, which is different from the primary filter 2) for secondary filtration. The filtrate enters the stratification tank 3 again through the pipeline, and the upper layer of liquid material is passed through the pipeline to the distillation kettle for distillation production. The catalyst in the two filters 2 is back-flushed to the autoclave 1 by 0.4Mpa nitrogen gas for application production. When the liquid level of the stratification tank 3 reaches the set value, the pneumatic valve on the feed pipe 34 is closed, and feeding is prohibited; when the density of the upper layer of liquid material is greater than the set value, the cut-off valve on the pipeline is closed; when the density of the middle layer of material is less than the set value, the cut-off valve on the pipeline is closed; when the density of the lower layer of material is greater than the set value, the cut-off valve on the pipeline is closed, thereby realizing material monitoring in the stratification tank 3 and avoiding waste of resources.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for continuously layering liquid materials of different densities containing solids, characterized in that: The invention comprises an autoclave, a plurality of filters and a stratification tank, wherein the autoclave is connected to the filters through pipelines, the filters are connected to the stratification tank through pipelines, the stratification tank is provided with an upper layer discharge port, a middle layer discharge port and a lower layer discharge port, the upper layer discharge port is connected to the distillation kettle through an upper layer material pipe, the middle layer discharge port is refluxed to the filters through a middle layer turbid liquid pipe, and the lower layer discharge port is connected to the wastewater tank through a lower layer wastewater pipe.

2. The device for continuously layering liquid materials with different densities containing solids according to claim 1, characterized in that: The stratified tank is provided with a feed pipe, which extends into the middle and lower part of the stratified tank; and the feed pipe is provided with a pneumatic cut-off valve.

3. The device for continuously layering liquid materials with different densities containing solids according to claim 2, characterized in that: The upper layer discharge port is located at the upper middle part of the stratified tank, the middle layer discharge port is located at the lower part of the stratified tank, and the lower layer discharge port is located at the bottom of the stratified tank.

4. The device for continuously layering liquid materials with different densities containing solids according to claim 3, characterized in that: The bottom of the feed pipe is located between the upper layer discharge port and the middle layer discharge port.

5. The device for continuously layering liquid materials with different densities containing solids according to claim 1, characterized in that: The stratification tank is provided with a reflux pipeline, one end of which is connected to the bottom of the stratification tank, and the other end is connected to the upper part of the stratification tank. A liquid level meter is provided on the reflux pipeline.

6. The device for continuously layering liquid materials with different densities containing solids according to claim 1, characterized in that: The upper material pipe is provided with a density detector and a pneumatic cut-off valve, and the density detector and the pneumatic cut-off valve are interlocked; The middle layer turbid liquid pipe is provided with a density detector and a pneumatic shut-off valve, and the density detector and the pneumatic shut-off valve are interlocked; The lower wastewater pipe is provided with a density detector and a pneumatic cut-off valve, and the density detector and the pneumatic cut-off valve are interlocked.

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