CN214913662U - Horizontal cellulose ether raffinate settling cask - Google Patents

Abstract

The utility model provides a horizontal cellulose ether raffinate settling cask, includes a plurality of precipitation tanks that adjoin the setting, is equipped with the interval baffle between the precipitation tank, and the interval baffle between the precipitation tank reduces according to the single direction progressively, is equipped with the agitator in the precipitation tank, is equipped with a feed line in the highest precipitation tank of interval baffle, is equipped with a collecting tank at the lateral part of the lowest precipitation tank of interval baffle. This application adopts the interval baffle that the interval set up to carry out fractional precipitation, the cellulose ether raffinate gets into the highest precipitation tank of interval baffle from the inlet line, each district is lived in proper order, discharge through the collecting tank at last, the cellulose ether in the raffinate is earlier once subsided at the highest precipitation tank of interval baffle, the cellulose ether that does not subside gets into the precipitation tank of next grade along with the raffinate, so reciprocal, the cellulose ether that contains in the raffinate after subsiding many times falls to minimumly, COD content reduces 60%, effectively reduces the sewage treatment degree of difficulty.

Description

Horizontal cellulose ether raffinate settling cask

Technical Field

The application relates to a horizontal cellulose ether raffinate settling cask.

Background

In the production process of cellulose ether products, a large amount of residual liquid mixed with cellulose ether materials is generated, and the materials in the residual liquid increase the difficulty of treating residual liquid sewage, so that the cellulose ether in the residual liquid needs to be separated in the production process. The easy seepage of current cement settling tank and separation effect are poor, and the vertical stainless steel storage tank clearance material degree of difficulty is big and influence the production progress, therefore how can in time effectual subside and retrieve the cellulose ether in the raffinate very important to the production of cellulose ether.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the application provides a horizontal cellulose ether raffinate settling tank which comprises a plurality of adjacent settling tanks, wherein spacing partition plates are arranged between the settling tanks, the spacing partition plates between the settling tanks are gradually reduced according to a single direction, a stirrer is arranged in each settling tank, a feeding pipeline is arranged in each settling tank with the highest spacing partition plate, and a liquid collecting tank is arranged at the side part of each settling tank with the lowest spacing partition plate. This application adopts the interval baffle that the interval set up to carry out fractional precipitation, the cellulose ether raffinate gets into the highest precipitation tank of interval baffle from feed line, each district is lived in proper order, discharge through the collecting tank at last, can set up the agitator certainly also can not set up at the collecting tank, cellulose ether in the raffinate is earlier once subsided at the highest precipitation tank of interval baffle, the cellulose ether that does not subside gets into the precipitation tank of next grade along with the raffinate, so reciprocal, the cellulose ether that contains in the raffinate after subsiding many times reduces to the minimum, COD content reduces 60%, effectively reduces the sewage treatment degree of difficulty.

Preferably, the feed line is inserted to a position below the middle of the depth of the corresponding settling tank.

Preferably, the stirrer comprises a rotating motor, a power shaft of the rotating motor is fixedly connected with a rotating rod, and a plurality of stirring paddles are arranged on the rotating rod.

Preferably, the stirring paddle comprises a sleeve shaft fixedly arranged on the rotating rod, and an inclined plate is arranged on the sleeve shaft; the included angle between the inclined plate and the horizontal direction is 24-45 degrees. The utility model provides a stirrer sets up to oblique oar formula stirrer, and the blade wholly adopts the band steel to make, connects for the welding or fixes it on the spiale with the bolt, and the blade number is 2-4 and is suitable, and what oblique oar formula stirrer produced is the axial force, and the slant board is 24-45, adopts the individual layer or double-deck stirring rake according to the liquid level height, and the stirring composite effect is better.

Preferably, the device also comprises a box body, and the separation partition plate is fixedly connected with the inner wall of the box body in a sealing manner to form a precipitation tank.

Preferably, the bottom of the box body is provided with liquid outlets matched with the sedimentation tanks, and the peripheries of the liquid outlets are provided with compressed gas inlets; the bottom of the box body is provided with a plurality of steam inlets. The cellulose ether that this application sedimentation tank subsided gets off passes through the stirring of agitator, evenly suspends in the raffinate, then gets into the raffinate pump through the liquid outlet at the tank bottoms, squeezes into solid-liquid separators such as centrifuge or filter-pressing jar, carries out solid-liquid separation, and cellulose ether recycle forms the cellulose ether product through drying equipment stoving.

Preferably, a manhole and a sight glass matched with the sedimentation tank are arranged on the side part of the box body.

Preferably, the box body is also provided with a pH instrument connecting port, a liquid level meter port and a temperature measuring port.

Preferably, a vent is arranged above the box body.

Preferably, a liquid inlet is arranged on the box body and is matched with the feeding pipeline.

This application can bring following beneficial effect:

1. the method adopts the interval partition plates arranged at intervals for fractional precipitation, the residual cellulose ether liquid enters the precipitation tank with the highest interval partition plate from the feeding pipeline, sequentially fills all the regions, is discharged through the liquid collecting tank, the liquid collecting tank can be provided with a stirrer or not, the cellulose ether in the residual liquid is firstly precipitated in the precipitation tank with the highest interval partition plate, the unsettled cellulose ether enters the next-stage precipitation tank along with the residual liquid, the steps are repeated, the content of the cellulose ether in the residual liquid after multiple times of sedimentation is reduced to the minimum, the COD content is reduced by 60%, and the difficulty in sewage treatment is effectively reduced;

2. the stirrer is an inclined paddle type stirrer, the whole blades are made of flat steel and are connected to be welded or fixed on a sleeve shaft through bolts, the number of the blades is preferably 2-4, axial force is generated by the inclined paddle type stirrer, an inclined plate is 24-45 degrees, single-layer or double-layer stirring paddles are adopted according to the height of a liquid level, and the comprehensive stirring effect is better;

3. the cellulose ether that this application sedimentation tank subsided gets off passes through the stirring of agitator, evenly suspends in the raffinate, then gets into the raffinate pump through the liquid outlet at the tank bottoms, squeezes into solid-liquid separators such as centrifuge or filter-pressing jar, carries out solid-liquid separation, and cellulose ether recycle forms the cellulose ether product through drying equipment stoving.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic diagram of the internal structure of the present application;

fig. 3 is an enlarged view of a portion a of fig. 2.

Detailed Description

In order to clearly explain the technical features of the present invention, the present application will be explained in detail by the following embodiments in combination with the accompanying drawings.

As shown in the drawings, the following detailed description is given by way of example in order to more clearly explain the overall concept of the present application.

In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In a first embodiment, as shown in fig. 1 to 3, a horizontal cellulose ether residue settling tank comprises a plurality of settling tanks 1 arranged adjacently, wherein partition plates 2 are arranged between the settling tanks 1, the partition plates 2 between the settling tanks 1 are gradually lowered in a single direction, a stirrer 3 is arranged in the settling tank 1, a feeding pipeline 4 is arranged in the settling tank 1 with the highest partition plate 2, and a collecting tank 5 is arranged at the side of the settling tank 1 with the lowest partition plate 2. The feed line 4 is inserted to a position below the middle of the depth of the corresponding settling tank 1. The stirrer 3 comprises a rotating motor 6, a power shaft of the rotating motor 6 is fixedly connected with a rotating rod 7, and a plurality of stirring paddles 8 are arranged on the rotating rod 7. The stirring paddle 8 comprises a sleeve shaft 9 fixedly arranged on the rotating rod 7, and an inclined plate 10 is arranged on the sleeve shaft 9; the included angle between the inclined plate 10 and the horizontal direction is 24-45 degrees. Still include a box 11, the sealed fixedly connected setting of the inner wall of interval baffle 2 and box 11 forms precipitation tank 1. The bottom of the box body 11 is provided with liquid outlets 12 matched with the sedimentation tanks 1, and the peripheries of the liquid outlets 12 are provided with compressed gas inlets; a plurality of steam inlets 13 are provided at the bottom of the cabinet 11. A manhole 14 and a sight glass 15 are provided at a side of the case 11 to be matched with the settling tank 1. The box body 11 is also provided with a pH meter connecting port 16, a liquid level meter port 17 and a temperature measuring port 18. And a vent 20 is arranged above the box body 11. The box body 11 is provided with a liquid inlet 19, and the liquid inlet 19 is matched with the feeding pipeline 4.

When the device is used, during work, cellulose ether residual liquid enters the feeding pipeline 4 from the liquid inlet and is discharged from each liquid outlet 12, the liquid level or the solid-liquid stirring state is observed through the sight glass 15, the temperature measuring port 18 is provided with a thermometer for monitoring the temperature in the tank, when the temperature is lower than 82 ℃, the stop valve of the steam inlet 13 is opened, the waste heat of drying equipment is recycled, the temperature of the residual liquid is increased to be more than or equal to 85 ℃, and the residual cellulose ether is ensured not to be gelled; when the cellulose ether in the residual liquid in the precipitation tank 1 is recovered, the rotating motor 6 can be started, the stirring paddle 8 rotates to enable the residual cellulose ether to be uniformly suspended in the residual liquid, and the residual cellulose ether is led out through the liquid outlet 12; a pH instrument connecting port 16 arranged on the box body 11 is connected with a pH instrument, displays the pH value of the residual liquid and provides parameters for workshops and sewage plants; when the device is cleaned or checked, the device can be operated by entering the cylinder body from the manhole 14 where each area is located, and a compressed gas inlet is generally arranged on the liquid outlet pipe to prevent materials from being blocked.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. The utility model provides a horizontal cellulose ether raffinate settling cask which characterized in that: the device comprises a plurality of adjacent settling tanks, wherein spacing partition plates are arranged between the settling tanks, the spacing partition plates between the settling tanks are gradually reduced according to a single direction, a stirrer is arranged in each settling tank, a feeding pipeline is arranged in each settling tank with the highest spacing partition plate, and a liquid collecting tank is arranged on the side part of each settling tank with the lowest spacing partition plate.

2. The horizontal cellulose ether raffinate settling tank of claim 1 wherein: the feed line is inserted to a position below the middle of the depth of the corresponding settling tank.

3. The horizontal cellulose ether raffinate settling tank of claim 1 wherein: the agitator includes a rotating electrical machines, rotating electrical machines's power shaft links firmly with a rotary rod and sets up, is equipped with a plurality of stirring oars on the rotary rod.

4. The horizontal cellulose ether raffinate settling tank of claim 3 wherein: the stirring paddle comprises a sleeve shaft fixedly arranged on the rotating rod, and an inclined plate is arranged on the sleeve shaft; the included angle between the inclined plate and the horizontal direction is 24-45 degrees.

5. The horizontal cellulose ether raffinate settling tank of claim 1 wherein: the separation baffle plate is fixedly connected with the inner wall of the box body in a sealing mode to form a precipitation tank.

6. The horizontal cellulose ether raffinate settling tank of claim 5 wherein: liquid outlets matched with the sedimentation tanks are formed in the bottom of the box body, and compressed gas inlets are formed in the peripheries of the liquid outlets; the bottom of the box body is provided with a plurality of steam inlets.

7. The horizontal cellulose ether raffinate settling tank of claim 5 wherein: the side part of the box body is provided with a manhole and a sight glass which are matched with the sedimentation tank.

8. The horizontal cellulose ether raffinate settling tank of claim 5 wherein: the box body is also provided with a pH instrument connecting port, a liquid level meter port and a temperature measuring port.

9. The horizontal cellulose ether raffinate settling tank of claim 5 wherein: and a vent is arranged above the box body.

10. The horizontal cellulose ether raffinate settling tank of claim 5 wherein: the box body is provided with a liquid inlet, and the liquid inlet is matched with the feeding pipeline.

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