Filter pressing separator for producing 2-ethyl anthraquinone

By designing a filter press separator with a surrounding movable filter cloth and cleaning components in the production of 2-ethylanthraquinone, the problem of low filtration efficiency was solved, enabling rapid filter cake removal and filter cloth cleaning, thus improving the overall filtration efficiency.

CN223696963UActive Publication Date: 2025-12-23WUXI RONGYI CHEM CO LTD
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Patent Information

Application Number
CN202423277910.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-23
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

In the current 2-ethylanthraquinone production process, the filter press separator has low filtration efficiency, and the filter cake needs to be stopped for a long time to unload after it is formed, resulting in low efficiency.

Method used

A filter press separator for the production of 2-ethylanthraquinone is designed, employing a surrounding movable filter cloth and a cleaning assembly. The surrounding motion of the filter cloth enables rapid pressing out of the filter cake and spray cleaning of the filter cloth surface, thereby improving filtration efficiency.

Benefits of technology

It enables rapid removal of filter cake, shortens filtration downtime, improves filtration efficiency, and enhances the cleaning effect of filter cloth.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of 2-ethyl anthraquinone production, in particular to a filter-pressing separator for 2-ethyl anthraquinone production, which comprises two racks arranged in parallel and filter cloth rotatably arranged between the two racks in a surrounding manner, and a filter-pressing assembly comprises a filter-pressing cylinder mounted above the filter cloth in a lifting and sliding manner, a filter pressing plate is installed in the filter pressing cylinder in a lifting and sliding mode, a feeding hopper communicated with an inner cylinder cavity of the filter pressing cylinder is further arranged above the filter cloth, the filter cloth capable of moving in a surrounding mode is arranged, rapid replacement is convenient, meanwhile, a filter cake can be conveniently pressed out of the filter cylinder through the arranged filter pressing assembly and conveyed out through the filter cloth, the whole filtering stopping time is short, and the filtering efficiency is high. The cleaning assembly is arranged on the inner side of the filter cloth, filter residues on the surface of the filter cloth are sprayed and cleaned from inside to outside in a water spraying and flushing mode, the filter residues on the surface of the whole filter cloth can be sprayed and cleaned in cooperation with surrounding movement of the filter cloth, and the filtering efficiency is further improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to 2-ethylanthraquinone production technical field, concretely relates to a kind of for 2-ethylanthraquinone production filter press separator. BACKGROUND

[0002] In the production process of 2-ethylanthraquinone, filter press separator plays an important role, and it is a kind of equipment for solid-liquid separation, which is mainly used for separating solid substances (such as unreacted raw materials, catalysts, by-products, etc.) in the reaction liquid from the liquid in the production process of 2-ethylanthraquinone. Through filter pressing separation, relatively pure 2-ethylanthraquinone product or intermediate product can be obtained to provide a basis for subsequent reaction or refining process.

[0003] The working principle of filter press separator is to use filter medium such as filter cloth to intercept solid particles in the liquid, so as to realize solid-liquid separation. In the filter pressing process, the reaction liquid is input into the filter chamber of the filter press, and the liquid is made to flow out through the filter cloth by applying pressure, while the solid particles are intercepted in the filter chamber.

[0004] With the progress of filtration, the solid particles in the filter chamber gradually increase to form filter cake. When the filter cake reaches a certain thickness, the filtration needs to be stopped and the cake needs to be unloaded. Because the filtration is stopped for a long time, there is a problem of low filtration efficiency. UTILITY MODEL CONTENTS

[0005] In view of the above-mentioned shortcomings of the prior art, the utility model provides a filter press separator for 2-ethylanthraquinone production, which can effectively solve the problems raised in the background art.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme:

[0007] The utility model provides a filter press separator for 2-ethylanthraquinone production, which comprises two parallelly arranged racks, filter cloth rotatably arranged between the two racks, a filter pressing assembly comprising a filter pressing cylinder slidably installed above the filter cloth, a filter pressing plate slidably installed in the filter pressing cylinder, a feed hopper communicated with the inner cylinder cavity of the filter pressing cylinder arranged above the filter cloth, a discharge assembly comprising a discharge hopper arranged between the two racks and having a top opening in contact with the inner ring wall of the filter cloth, a discharge pipe penetrating one of the racks and communicated with the bottom opening of the discharge hopper, and a cleaning assembly comprising a nozzle vertically downwardly arranged at the bottom output port between the two racks, and a water inlet pipe penetrating the other rack and communicated with the nozzle.

[0008] Further, two transmission rollers are rotatably installed between the two racks, and the filter cloth is simultaneously sleeved around the outer roller walls of the two transmission rollers, and the outer side wall of one of the racks is vertically and fixedly provided with a driving motor.

[0009] Further, the output end of the driving motor is fixedly connected with one end of one of the transmission rollers, and two bases are vertically and fixedly installed at the bottom of the two racks.

[0010] Further, a top base is vertically and fixedly installed at the top of the two racks, the filter cylinder is arranged below the top base, the outer side wall of the top base is fixedly provided with a lifting cylinder, and the output end of the lifting cylinder is connected with an L-shaped bending rod which penetrates through the top base and is vertically and fixedly connected with the outer cylinder wall of the filter cylinder.

[0011] Further, the output end of the lifting cylinder is connected with a lifting rod.

[0012] Further, the end of the lifting rod is vertically and fixedly connected with the top end center of the filter plate, and a feeding hose is in communication between the discharging port of the feeding hopper and the inner cylinder cavity of the filter cylinder.

[0013] Compared with the prior art, the technical scheme has the following beneficial effects:

[0014] 1. The filter cloth can be sleeved and moved, the filter cake can be conveniently and quickly replaced, the filter cake can be conveniently pressed out of the filter cylinder through the filter assembly, and the filter cake can be conveniently conveyed out, the whole stopping filtering time is short, and the filtering efficiency is improved.

[0015] 2. The cleaning assembly is arranged on the inner side of the filter cloth, the filter residue on the surface of the filter cloth is cleaned by spraying from the inside to the outside, the cleaning of the filter residue on the whole surface of the filter cloth is realized through the movement of the filter cloth, and the filtering efficiency is further improved. DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Figure 1 It is a whole first perspective structural schematic view of the present application.

[0018] Figure 2 It is a whole second perspective structural schematic view of the present application.

[0019] Figure 3 Figure 2 is a schematic view of the installation structure of the discharging assembly and the cleaning assembly of the utility model;

[0020] Figure 4 Figure 3 is a schematic view of the structure of the filter-pressing assembly of the utility model.

[0021] The reference numerals in the figures respectively represent:

[0022] 1, frame; 11, transmission roller; 12, filter cloth; 13, driving motor; 14, base;

[0023] 2, top base; 21, filter-pressing cylinder; 22, lifting air cylinder; 23, L-shaped bent rod; 24, filter-pressing air cylinder; 25, lifting rod; 26, filter-pressing plate; 27, feeding hopper;

[0024] 31, discharging hopper; 32, discharging pipe;

[0025] 41, water inlet pipe; 42, spray head. DETAILED DESCRIPTION

[0026] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] The utility model will be further described below in combination with the embodiments.

[0028] Embodiment 1:

[0029] With reference to Figures 1-4 , the utility model discloses a kind of for 2-ethylanthraquinone production filter-pressing separator, including two parallelly arranged frames 1, filter cloth 12 is rotatably arranged between two frames 1, the filter hole of filter cloth 12 is smaller, can be suitable for 2-ethylanthraquinone production filter-pressing separation use, filter-pressing assembly includes filter-pressing cylinder 21 of lifting sliding installation in filter cloth 12 upper, filter-pressing plate 26 is slidably installed in filter-pressing cylinder 21, filter-pressing plate 26 and filter-pressing cylinder 21 inner cylinder cavity specification are adapted, ensure that there is no leakage in filter-pressing process;

[0030] The upper portion of the filter cloth 12 is further provided with a feeding hopper 27 communicated with the inner cylinder cavity of the filter cylinder 21, and a sealing cover is buckled on the top of the feeding hopper 27 to prevent impurities and foreign matters from being discharged.

[0031] Embodiment 2

[0032] With reference to Figures 1-4 For the second embodiment of the utility model, the difference between the embodiment and the first embodiment is that two transmission rollers 11 are rotatably installed between the two machine frames 1, the two transmission rollers 11 are both provided with baffle plates on the two side edges, so that the deviation and falling of the filter cloth 12 during the circumferential movement can be avoided, the filter cloth 12 is circumferentially sleeved on the outer roller wall of the two transmission rollers 11, the outer side wall of one of the machine frames 1 is vertically and fixedly provided with a driving motor 13, the output end of the driving motor 13 is fixedly connected with one end of the circumferential center of one of the transmission rollers 11, and the two machine frames 1 are both vertically and fixedly provided with two bases 14 at the bottom;

[0033] The top of the two machine frames 1 is vertically and fixedly provided with a top base 2, the filter cylinder 21 is arranged below the top base 2, the outer side wall of the top base 2 is fixedly provided with a lifting cylinder 22, the output end of the lifting cylinder 22 is connected with an L-shaped bending rod 23 penetrating through the top base 2 and being vertically and fixedly connected with the outer cylinder wall of the filter cylinder 21, the outer side wall of the top base 2 is provided with a lifting opening penetrating the inner side wall, so that the L-shaped bending rod 23 can be conveniently lifted and slid, the top of the top base 2 is vertically and fixedly provided with a filter cylinder 24, the output end of the filter cylinder 24 is connected with a lifting rod 25, the distal end of the lifting rod 25 is vertically and fixedly connected with the top center of a filter plate 26, and the feeding hopper 27 is communicated with the inner cylinder cavity of the filter cylinder 21 through a feeding hose, so that the feeding hopper 27 can be kept in communication with the filter cylinder 21 at all times and will not be separated from the filter cylinder 21 due to the lifting of the filter cylinder 21.

[0034] The remaining structure is the same as that of the first embodiment.

[0035] The working process of the utility model is as follows:

[0036] Firstly, through the feeding hopper 27 and the feeding hose, a sufficient amount of 2-ethylanthraquinone crude product is added into the filter cylinder 21, and the filter cylinder 21 is driven to start extruding from top to bottom in the inner cavity of the filter cylinder 21 by the lifting rod 25, so that the 2-ethylanthraquinone crude product is gradually pressed into the discharge hopper 31 through the filter cloth 12, and finally discharged from the discharge pipe 32, and the pressure operation is completed;

[0037] Secondly, after multiple filter pressing, the filter cake formed by the filter residue above the filter cloth 12 and in the filter cylinder 21 will block the mesh of the filter cloth 12 due to the relatively large thickness, thereby reducing the filter pressing efficiency of the 2-ethylanthraquinone crude product, at this time, the filter cake needs to be cleaned out, and the specific method is to start the lifting cylinder 22, and the filter cylinder 21 is pulled upward through the L-shaped bending rod 23, at this time, the filter pressing plate 26 is kept in reverse motion, so that the filter cake in the filter cylinder 21 is pushed out of the filter cylinder 21 and falls on the surface of the filter cloth 12;

[0038] Then, the driving motor 13 is started to drive the transmission roller 11 to rotate, and then the filter cloth 12 starts to move around the two transmission rollers 11, so that the unused new area of the filter cloth 12 is replaced and moved to the directly below the filter cylinder 21, and the filter cake generated before is moved away from below the filter cylinder 21, so as to facilitate taking out the filter cake;

[0039] Finally, with the movement of the filter cloth 12, the water source is continuously supplied to the spray head 42 through the water inlet pipe 41 and the external water pump device, and the filter residue on the surface of the filter cloth 12 is cleaned from inside to outside through the spray head 42, and the cleaning of the filter residue on the surface of the filter cloth 12 is realized by the movement of the filter cloth 12, and the filtering efficiency is further improved.

[0040] The above examples are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the embodiments of the present application.

Claims

1. A filter press separator for the production of 2-ethylanthraquinone, comprising two parallel frames (1), characterized in that, It also includes: a filter cloth (12) that is rotatably disposed between the two frames (1); The filter press assembly includes a filter press cylinder (21) that is lifted and slidably mounted above the filter cloth (12), a filter press plate (26) that is lifted and slidably mounted inside the filter press cylinder (21), and a feed hopper (27) that communicates with the inner cavity of the filter press cylinder (21) is also provided above the filter cloth (12). The discharge assembly includes a discharge hopper (31) disposed between two frames (1) and whose top opening contacts the inner ring wall of the filter cloth (12). The bottom opening of the discharge hopper (31) is connected to a discharge pipe (32) that passes through one of the frames (1). The cleaning assembly includes a nozzle (42) disposed between two frames (1) with its bottom output port pointing vertically downwards. The cleaning assembly also includes a water inlet pipe (41) that passes through the other frame (1) and communicates with the nozzle (42).

2. A filter press separator for the production of 2-ethylanthraquinone according to claim 1, characterized in that, Two drive rollers (11) are rotatably mounted between the two frames (1), and the filter cloth (12) is simultaneously wrapped around the outer roller wall of the two drive rollers (11). A drive motor (13) is vertically fixed on the outer side wall of one of the frames (1).

3. A filter press separator for the production of 2-ethylanthraquinone according to claim 2, characterized in that, The output end of the drive motor (13) is fixedly connected to the center of one end of one of the transmission rollers (11), and two bases (14) are vertically fixedly installed at the bottom of the two frames (1).

4. A filter press separator for the production of 2-ethylanthraquinone according to claim 1, characterized in that, The top of the two frames (1) is vertically fixedly mounted on a top seat (2). The filter press cylinder (21) is located below the top seat (2). A lifting cylinder (22) is fixedly mounted on the outer wall of the top seat (2). The output end of the lifting cylinder (22) is connected to an L-shaped bent rod (23) that penetrates the top seat (2) and is vertically fixedly connected to the outer wall of the filter press cylinder (21).

5. A filter press separator for the production of 2-ethylanthraquinone according to claim 1, characterized in that, The top of the top seat (2) is vertically fixedly installed with a filter press cylinder (24), and the output end of the filter press cylinder (24) is connected to a lifting rod (25).

6. A filter press separator for the production of 2-ethylanthraquinone according to claim 5, characterized in that, The end of the lifting rod (25) is vertically fixed to the center of the top of the filter press plate (26), and a feeding hose is connected between the discharge port of the feed hopper (27) and the inner cavity of the filter press cylinder (21).