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CN-224220925-U - Dichloropropyl di (CPP) glycol dimaleate multistage filter equipment is used in sour ester production

CN224220925UCN 224220925 UCN224220925 UCN 224220925UCN-224220925-U

Abstract

The utility model relates to the technical field of dichloropropyl diglycol dimaleate, in particular to a multistage filtering device for producing the dichloropropyl diglycol dimaleate, which comprises a containing barrel, a filtering component, a driving component and a cleaning component, wherein a screen mesh and the inner wall of the containing barrel are obliquely arranged, a horizontal flow field of a traditional plane screen mesh is broken, gradient flow velocity is formed when liquid flows through the screen mesh, namely, the flow velocity of a low-position area is faster to enhance flushing force, and the flow of the liquid is accelerated by an oblique angle in a high-position area.

Inventors

  • ZHANG XIANG

Assignees

  • 湖北省彦弘实业有限公司

Dates

Publication Date
20260512
Application Date
20250508

Claims (7)

  1. 1. A multi-stage filtration device for producing dichloropropyl diglycol dimaleate, comprising: a containing barrel (1); The filter assembly (2), the filter assembly (2) is installed in the accommodating barrel (1), the filter assembly (2) comprises sliding grooves (3), the sliding grooves (3) are formed in two sides of the accommodating barrel (1), sliding blocks (4) are arranged in the sliding grooves (3) in a sliding mode, a screen (5) is fixedly arranged between the sliding blocks (4), the screen (5) is distributed in the accommodating barrel (1) in a matrix mode, and the screen (5) and the inner wall of the accommodating barrel (1) are installed in an inclined mode; The driving assembly (6), the driving assembly (6) is installed at the top of the containing barrel (1), the driving assembly (6) comprises sliding columns (8) corresponding to the sliding grooves (3), the sliding columns (8) are arranged in the sliding grooves (3) in a sliding manner, the sliding columns (8) and the sliding blocks (4) are fixedly arranged, one end of each sliding column (8) penetrates through the containing barrel (1) and extends to the outside, a movable ring (9) is fixedly arranged at the top of each sliding column (8), and The cleaning assemblies (7), the cleaning assemblies (7) are installed on the side face of the containing barrel (1), and the number of the cleaning assemblies (7) is the same as the number of the screens (5).
  2. 2. The multistage filtering device for producing the dichloropropyl diglycol maleate according to claim 1, wherein a mounting plate (10) is fixedly arranged at the top of the holding barrel (1), supporting seats (11) are fixedly arranged on two sides of the mounting plate (10), sliding rods (12) are arranged on the supporting seats (11) in a sliding manner, connecting rings (13) are fixedly arranged between the sliding rods (12) on one side and the moving rings (9), first rotating rings (14) are rotationally arranged on the connecting rings (13), second rotating rings (15) are rotationally arranged on the first rotating rings (14), and the second rotating rings (15) are eccentrically arranged relative to the connecting rings (13).
  3. 3. The multistage filtering device for producing the dichloropropyl diglycol dimaleate according to claim 2, wherein a fixing rod (16) is fixedly arranged on the mounting plate (10), a motor (17) is fixedly arranged on the fixing rod (16), and an output shaft of the motor (17) is connected with the second rotating ring (15) through a key.
  4. 4. The multistage filtering device for producing the dichloropropyl diglycol dimaleate according to claim 1, wherein the cleaning assembly (7) comprises output ports (18) corresponding to the number of the screens (5), the output ports (18) are formed in the side face of the containing barrel (1) and are communicated with the interior of the containing barrel (1), and shielding frames (19) corresponding to the number of the output ports (18) are fixedly arranged on the side face of the containing barrel (1).
  5. 5. The multistage filtering device for producing the dichloropropyl diglycol dimaleate according to claim 4, wherein the bottoms of the shielding frames (19) are detachably provided with screen plates (20), and the side surfaces of the screen plates (20) are fixedly provided with handles (21).
  6. 6. The multistage filtering device for producing dichloropropyl diglycol dimaleate according to claim 5, wherein a baffle plate (22) is fixedly arranged at the bottom of the shielding frame (19) at the bottom, and the space between the baffle plate (22) and the shielding frame (19) at the bottom is communicated with the holding barrel (1).
  7. 7. The multistage filtering device for producing the dichloropropyl diglycol dimaleate according to claim 6, wherein limiting seats (23) are fixedly arranged on two sides of the sieve plate (20), limiting spanners (24) are rotatably arranged on the limiting seats (23), limiting rings (25) are rotatably arranged on the limiting spanners (24), auxiliary seats (26) corresponding to the limiting rings (25) in number are fixedly arranged on the side face of the containing barrel (1), and the limiting rings (25) are matched with the auxiliary seats (26).

Description

Dichloropropyl di (CPP) glycol dimaleate multistage filter equipment is used in sour ester production Technical Field The utility model relates to the technical field of dichloropropyl diglycol dimaleate, in particular to a multistage filtering device for producing the dichloropropyl diglycol dimaleate. Background It is known that in the industrial production of dichloropropyl diglycol dimaleate, multistage filtration is a key process for separating reaction products and removing impurities, the compound is used as a fine chemical intermediate, the synthesis process is often accompanied by polymerization byproducts, unreacted monomers and inorganic salt impurities, and the effective separation of the impurities is critical to the purity of the product and the stability of the subsequent process. The screen support structure of the existing multistage filtering device is mainly planar, the problem of uneven flow velocity distribution exists when liquid flows through the screen, the local area is accelerated by impurity deposition caused by too low flow velocity, the scouring force of the high flow velocity area is insufficient to prevent adsorption, so that malignant circulation of blocking, flow velocity descending and blocking aggravation is formed, once the screen is blocked, the screen is required to be shut down, disassembled and cleaned or the filter material is replaced, the single maintenance time is as long as 2-4 hours, the continuous operation of the production line is seriously influenced, the mechanical strength of the screen is reduced due to frequent disassembly, and the damage risk is increased. Disclosure of Invention Technical problem to be solved The utility model provides a multi-stage filter device for producing dichloropropyl diglycol dimaleate, which aims to solve the problem that the screen of the multi-stage filter device for producing the dichloropropyl diglycol dimaleate is easy to block. Technical proposal In order to achieve the purpose, the utility model provides the following technical scheme that the multistage filtering device for producing the dichloropropyl diglycol dimaleate comprises: a holding barrel; The filter assembly is arranged in the accommodating barrel and comprises sliding grooves, the sliding grooves are formed in two sides of the accommodating barrel, sliding blocks are arranged in the sliding grooves in a sliding mode, a screen is fixedly arranged between the sliding blocks, the screen is distributed in the accommodating barrel in a matrix mode, and the screen and the inner wall of the accommodating barrel are obliquely arranged; A driving assembly mounted on the top of the tub, and The cleaning assemblies are arranged on the side face of the containing barrel, and the number of the cleaning assemblies is the same as that of the screens. Preferably, the driving assembly comprises sliding columns corresponding to the sliding grooves in number, the sliding columns are arranged in the sliding grooves in a sliding mode, the sliding columns are fixedly arranged with the sliding blocks, one ends of the sliding columns penetrate through the containing barrel and extend to the outside, and the top support of the sliding columns is fixedly provided with a moving ring. Further, the top of holding the bucket is fixed and is provided with the mounting panel, the both sides of mounting panel are fixed and are provided with the supporting seat, slide on the supporting seat and be provided with the slide bar, one side the slide bar with the fixed setting of removal ring, fixedly be provided with the go-between the slide bar, the go-between rotates and is provided with first rotation ring, first rotation ring internal rotation is provided with the second rotation ring, the second rotation ring for the go-between eccentric setting. Still further, the fixed pole that is provided with on the mounting panel, the fixed motor that is provided with on the fixed pole, the output shaft of motor with the second swivel becket passes through key connection. Further, the cleaning assembly comprises output ports corresponding to the number of the screens, the output ports are formed in the side face of the containing barrel and communicated with the inside of the containing barrel, and shielding frames corresponding to the number of the output ports are fixedly arranged on the side face of the containing barrel. On the basis of the scheme, the bottom of the shielding frame can be detachably provided with a screen plate, and the side face of the screen plate is fixedly provided with a handle. On the basis of the scheme, a baffle is fixedly arranged at the bottom of the shielding frame at the bottom, and the space between the baffle and the shielding frame at the bottom is communicated with the containing barrel. Further on the basis of the scheme, limiting seats are fixedly arranged on two sides of the screen plate, limiting wrenches are rotatably arranged on the limiting seats, limiting r