CN216571977U

CN216571977U - Circulating water filter equipment for aniline workshop heat exchanger

Info

Publication number: CN216571977U
Application number: CN202220109641.0U
Authority: CN
Inventors: 李玉勇; 李纪峰; 李涛
Original assignee: Jiangsu Fuqiang New Material Co ltd
Current assignee: Jiangsu Fuqiang New Material Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-05-24
Anticipated expiration: 2032-01-17

Abstract

The utility model relates to the technical field of chemical equipment, in particular to a circulating water filtering device for an aniline workshop heat exchanger, which comprises a shell part and a rotary extrusion part, wherein the shell part comprises a shell body, a liquid inlet pipe and a liquid outlet pipe, the shell body is of a hollow tank-shaped structure, the bottom of the shell body is provided with the liquid inlet pipe and the liquid outlet pipe, the rotary extrusion part comprises a driving motor, a rotating ring, a fixed filter plate and a rotary filter plate, the fixed filter plate and the rotary filter plate are arranged at radial intervals by taking the vertical shaft of the shell body as the center, the inner end of the fixed filter plate is connected to form an integral structure and is fixedly connected with the inner wall of the shell body, the top of the rotary filter plate is fixedly provided with the rotating ring, the outer end and the bottom end of the rotary filter plate are connected with the inner wall of the shell body in a sliding way, the driving motor is fixedly arranged at the top of the shell body and drives the rotating ring to rotate, and the device can effectively remove impurities in circulating water through multi-stage filtration, the treatment effect is good, and the treatment efficiency is high.

Description

Circulating water filter equipment for aniline workshop heat exchanger

Technical Field

The utility model relates to a chemical industry equipment technical field, concretely relates to circulating water filter equipment for aniline workshop heat exchanger.

Background

In an aniline workshop, a large number of heat exchangers need to be cooled by circulating water, the circulating water amount reaches 9200m3/h, most of the heat exchangers are made of carbon steel and stainless steel, the scaling phenomenon of a heat exchanger tube bundle is serious after the heat exchangers are operated for a period of time, and the heat exchange effect is obviously reduced, so that the heat exchange effect of the workshop heat exchangers and the stability of the whole production system are directly influenced by the quality of circulating water. In order to thoroughly solve the problem of poor heat exchange effect caused by poor circulating water quality, a medicament is generally added into circulating cooling water in advance to enable a part of impurities to be suspended in the circulating cooling water, in addition, a part of insoluble impurities are precipitated at the bottom of the water, then the circulating cooling water is filtered, and finally the circulating cooling water is pumped into a circulating water pipe network for recycling, and the filtering is usually carried out by using a precipitation and filter screen filtering mode, however, the filtering mode has low efficiency and cannot meet the requirement of large-flow water treatment.

The circulating water dosing device for the aniline workshop heat exchanger comprises a barrel and a stirring motor, wherein an opening is formed in the top of the barrel, a liquid outlet is formed in the bottom of the side wall of the barrel, a valve is installed on the liquid outlet, a connecting barrel sleeve is arranged in the barrel in a sliding and sealing mode, filter cloth is arranged at the bottom of the barrel sleeve, a cross beam is fixedly connected to the top of the barrel sleeve, the stirring motor is vertically installed on the cross beam, a rotating shaft of the stirring motor penetrates through the cross beam and then extends into the barrel sleeve to be connected with a spiral belt, and the spiral belt, the stirring motor and the barrel sleeve are located on the same axis; a hydraulic cylinder for lifting is arranged between the cylinder sleeve and the cylinder body. The specific working principle is that a filtrate cavity can be formed between the filter cloth and the inner bottom surface of the cylinder body through the position change of a cylinder sleeve connected in the cylinder body in a sliding sealing manner, however, the mode still has slow treatment speed, can not carry out segmented multi-stage treatment, and still has low treatment efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a circulating water filter equipment for aniline workshop heat exchanger to the defect that prior art exists exactly.

The technical scheme of the utility model is that:

the utility model provides a circulating water filter equipment for aniline workshop heat exchanger, includes shell portion and rotation extrusion portion, shell portion includes casing, feed liquor pipe and drain pipe, the casing is provided with feed liquor pipe and drain pipe for hollow tank column structure and bottom, the rotation extrusion portion includes driving motor, rotating ring, fixed filter plate and rotation filter plate, fixed filter plate with rotate the filter plate with the vertical axle of casing is radial interval setting as the center, the inner of fixed filter plate link to each other constitute an overall structure and with the inner wall fixed connection of casing, rotate the fixed rotating ring and outer end and the bottom that are provided with in filter plate top with shells inner wall sliding connection, driving motor fixed set up in casing top and drive the rotating ring rotates, the filter plate rotate with fixed filter plate cooperation constitutes circulating water multi-stage filtration structure.

Preferably, the vertical center shaft of the center of the shell is further provided with a limiting center shaft, the lower portion of the limiting center shaft is fixedly connected with the fixed filter plate, the upper portion of the limiting center shaft is detachably connected with the driving motor, the rotating ring is of a wheel-shaped structure and comprises a limiting ring, a spoke plate and inner and outer gear rings, the inner and outer gear rings are sleeved with the limiting center shaft and are rotatably connected with the limiting center shaft, the limiting ring is rotatably connected with the inner wall of the shell in a limiting mode, the spoke plate is fixedly connected with the top of the rotating filter plate, the bottom of the driving motor is provided with a driving gear shaft, and the driving gear shaft is meshed with the inner and outer gear rings and drives the rotating ring to rotate back and forth in a periodic mode.

Preferably, the inside and outside ring gear includes carrier ring, semi-gear and semi-gear ring, the carrier ring with the top fixed connection of spoke board, the semi-gear ring be inside only the left side half be provided with the ring gear of dogtooth and fixed set up in on the carrier ring, the semi-gear be the outside only the right side half be provided with the gear of dogtooth and with the semi-gear ring is coaxial fixed set up in on the carrier ring, the drive gear axle respectively with correspond the position the semi-gear ring and semi-gear meshing constitute cycle and come and go the revolution mechanic.

Preferably, the top of the shell is provided with a limiting top cover, the center of the limiting top cover is provided with a circular rotating limiting groove, the bearing ring rotates in the rotating limiting groove in a limiting mode, the driving motor is detachably connected with the limiting top cover, and the limiting top cover is connected with the shell through screw threads.

Preferably, an orange-shaped annular flexible filter screen is further paved in a space formed by every two adjacent fixed filter plates and every two adjacent rotary filter plates.

Preferably, except that the fixed filter plate that feed liquor pipe and drain pipe correspond the department does not set up the filtration pore, all the other is whole all be provided with on fixed filter plate and the rotation filter plate cross filtration pore and filter screen gim peg, the filter screen gim peg will flexible filter screen and corresponding face fixed filter plate can dismantle with the rotation filter plate and be connected.

Compared with the prior art, the utility model, have following advantage:

the circulating water can be subjected to multiple filtration through the matching of the fixed filter plate and the rotary filter plate, and more efficient filtration and more accurate water quality control can be realized by matching with filter screens with different apertures, so that the requirement of the production process is met. Meanwhile, the filter screen is detachably designed, so that the maintenance of operators can be facilitated.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the present invention;

FIG. 3 is a schematic view of the flow of liquid by rotating the filter plate clockwise;

FIG. 4 is a schematic view of the liquid flow with the rotary filter plate rotated counterclockwise;

in the figure: 1-a shell part, 2-a rotary extrusion part;

11-shell, 12-liquid inlet pipe, 13-liquid outlet pipe, 14-limit top cover, 141-rotation limit groove, 15-limit middle shaft;

21-drive motor, 211-drive gear shaft, 22-rotating ring, 221-spoke plate, 222-inner and outer gear ring, 2221-semi-gear, 2222-semi-gear ring, 2223-bearing ring, 223-limiting ring, 23-fixed filter plate, 24-rotating filter plate, 25-flexible filter screen, 26-filter hole and 27-filter screen fixing bolt.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

Example one

Referring to fig. 1 and 2, a circulating water filtering device for an aniline workshop heat exchanger, which utilizes the principle that a plate-shaped structure in liquid generates high pressure on the front side of the moving direction and low pressure on the back side when moving to push circulating water for multi-stage filtration, and the specific structure comprises a shell part 1 and a rotary extrusion part 2, wherein the shell part 1 comprises a shell 11, a liquid inlet pipe 12 and a liquid outlet pipe 13, the shell 11 is of a hollow tank-shaped structure, the bottom of the shell is provided with the liquid inlet pipe 12 and the liquid outlet pipe 13, the circulating water filtering device is characterized in that the rotary extrusion part 2 comprises a driving motor 21, a rotary ring 22, a fixed filter plate 23 and a rotary filter plate 24, the fixed filter plate 23 and the rotary filter plate 24 are radially arranged at intervals by taking the vertical shaft of the shell 11 as the center, the inner ends of the fixed filter plate 23 are connected to form an integral structure and fixedly connected with the inner wall of the shell 11, the top of the rotary ring 22 is fixedly arranged on the rotary filter plate 24, and the outer end and the bottom end are connected with the inner wall of the shell 11 in a sliding way, the driving motor 21 is fixedly arranged at the top of the shell 11 and drives the rotating ring 22 to rotate, and the rotating filter plate 24 and the fixed filter plate 23 are matched to form a circulating water multi-stage filtering structure.

This device can two liang of parallel arrangement of multiunit to set up intermittent type nature at the circulating water entrance of device in pairs and divide the water structure and the periodic one to the device in pairs provides circulating water and medicament, and this period should be unanimous with the reciprocal rotation period of rotating ring 22, sets up like this and can reduce the water hammer effect, and can continuously filter rather than intermittent type nature filters, and the multiunit sets up the large-traffic filtration demand that also can fully respond to when putting into production jointly simultaneously.

The circulating water can be subjected to multiple filtration through the matching of the fixed filter plate 23 and the rotary filter plate 24, and more efficient filtration and more accurate water quality control can be realized by matching with filter screens with different apertures, so that the requirement of the production process is met. Meanwhile, the filter screen is detachably designed, so that the maintenance of operators can be facilitated.

Example two

Referring to fig. 1, 2, 3 and 4, the same as the first embodiment, except that a limiting middle shaft 15 is further disposed at a central vertical shaft of the housing 11, a lower portion of the limiting middle shaft 15 is fixedly connected to the fixed filter plate 23, and an upper portion of the limiting middle shaft 15 is detachably connected to the driving motor 21, the rotating ring 22 is a wheel-shaped structure and includes a limiting ring 223, a spoke plate 221, and inner and outer gear rings 222, the inner and outer gear rings 222 are sleeved and rotatably connected to the limiting middle shaft 15, the limiting ring 223 is connected to an inner wall of the housing 11 in a limiting and rotating manner, the spoke plate 221 is fixedly connected to a top portion of the rotating filter plate 24, a driving gear shaft 211 is disposed at a bottom of the driving motor 21, and the driving gear shaft 211 is engaged with the inner and outer gear rings 222 and drives the rotating ring 22 to rotate back and forth in a periodic manner.

The inner and outer gear rings 222 include a carrier ring 2223, a half gear 2221 and a half gear ring 2222, the carrier ring 2223 is fixedly connected to the top end of the spoke plate 221, the half gear ring 2222 is a gear ring in which only the left half of the inner side is provided with a convex tooth and is fixedly disposed on the carrier ring 2223, the half gear 2221 is a gear in which only the right half of the outer side is provided with a convex tooth and is fixedly disposed on the carrier ring 2223 coaxially with the half gear ring 2222, and the driving gear shaft 211 is engaged with the half gear ring 2222 and the half gear 2221 at corresponding positions respectively to form a periodic reciprocating rotation structure.

The top of the shell 11 is provided with a limit top cover 14, the center of the limit top cover 14 is provided with a circular rotation limit groove 141, the bearing ring 2223 is limited to rotate in the rotation limit groove 141, the driving motor 21 is detachably connected with the limit top cover 14, and the limit top cover 14 is in threaded connection with the shell 11.

The circulating water can be well filtered through the matching of the fixed filter plate 23 and the rotary filter plate 24, and is filtered step by step and finally discharged like an elevator, so that the filtering efficiency and effect are improved, the scaling phenomenon of a radiator is avoided, and the maintenance cost of equipment is reduced.

EXAMPLE III

Referring to fig. 1, 2, 3 and 4, the same as the second embodiment is basically the same, except that an orange-shaped annular flexible filter screen 25 is further laid in each space defined by two adjacent fixed filter plates 23 and rotary filter plates 24. Except that the fixed filter plates 23 at the corresponding positions of the liquid inlet pipe 12 and the liquid outlet pipe 13 are not provided with filter holes 26, the rest of the fixed filter plates 23 and the rotating filter plates 24 are provided with filter holes 26 and filter screen fixing bolts 27, and the flexible filter screens 25 are detachably connected with the fixed filter plates 23 and the rotating filter plates 24 on the corresponding surfaces by the filter screen fixing bolts 27. The detachable connection of the filter screen is convenient for the maintenance of operators.

The working principle is as follows:

the principle of the device is divided into the flow of fluid to and from the interaction of the rotating filter plates 24 and how the rotating ring 22 is periodically rotated back and forth.

The rotating ring 22 realizes a periodical reciprocating rotation:

1. the driving motor 21 is started to drive the driving gear shaft 211 to rotate, when the driving gear shaft 211 is aligned with the half gear 2221 on the inner side of the half circumference, the driving gear shaft 211 rotates clockwise to drive the half gear 2221 to rotate counterclockwise, the half gear 2221 drives the inner and outer gear rings 222 to rotate counterclockwise, the inner and outer gear rings 222 drive the rotating ring 22 to drive the rotating filter plate 24 to rotate counterclockwise until the edge of the half gear 2221 is separated from the driving gear shaft 211 and is engaged with the half gear ring 2222, and the next step is performed.

2. The edge of the half gear 2221 is disengaged from the driving gear shaft 211, at this time, the driving gear shaft 211 is aligned with the half gear ring 2222 on the outer side in the half circumference, the driving gear shaft 211 rotates clockwise to drive the half gear ring 2222 to rotate clockwise, the half gear ring 2222 drives the inner and outer gear rings 222 to rotate clockwise, the inner and outer gear rings 222 drive the rotating ring 22 to drive the rotating filter plate 24 to rotate clockwise, until the edge of the half gear ring 2222 is disengaged from the driving gear shaft 211 and is engaged with the half gear 2221, and the previous step is repeated.

The flow process of the liquid when the rotary filter plate 24 rotates clockwise and counterclockwise:

1. when the rotating ring 22 starts to rotate clockwise, the valves of the liquid inlet pipe 12 and the liquid outlet pipe 13 are opened, circulating water and medicines are injected into the shell 11 through the liquid inlet pipe 12, at the moment, the rotating filter plates 24 rotate clockwise, the left space of each rotating filter plate 24 is reduced, the right space of each rotating filter plate 24 is enlarged, high pressure is generated on the left side of each rotating filter plate 24 in the process, low pressure is generated on the right side of each rotating filter plate 24, liquid in the liquid inlet pipe 12 is pumped in, liquid in the liquid outlet pipe 13 is discharged, liquid in the shell 11 rotates clockwise and enters the next filtering chamber, and in the process, impurities in the liquid are filtered.

2. When the rotating ring 22 starts to rotate counterclockwise, the valves of the liquid inlet pipe 12 and the liquid outlet pipe 13 are closed, at this time, the rotating filter plates 24 rotate counterclockwise, the left space of each rotating filter plate 24 is expanded and the right space is reduced, in the process, low pressure is generated on the left side of the rotating filter plate 24 and high pressure is generated on the right side, the liquid in the shell 11 is pushed to rotate clockwise, the liquid in the shell 11 rotates clockwise and enters the next filtering chamber, and in the process, impurities in the liquid are filtered.

3. By repeating the above two steps, the circulating water is filtered in multiple stages and finally discharged.

The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the spirit of the present invention, and the changed contents still belong to the protection scope of the present invention.

Claims

1. A circulating water filtering device for an aniline workshop heat exchanger, which comprises a shell part and a rotary extrusion part, the shell comprises a shell body, a liquid inlet pipe and a liquid outlet pipe, the shell body is of a hollow tank-shaped structure, the liquid inlet pipe and the liquid outlet pipe are arranged at the bottom of the shell body, it is characterized in that the rotary extrusion part comprises a driving motor, a rotary ring, a fixed filter plate and a rotary filter plate, the fixed filter plate and the rotary filter plate are radially arranged at intervals by taking the vertical shaft of the shell as the center, the inner ends of the fixed filter plates are connected to form an integral structure and are fixedly connected with the inner wall of the shell, the top of the rotary filter plate is fixedly provided with a rotary ring, the outer end and the bottom end of the rotary filter plate are connected with the inner wall of the shell in a sliding way, the driving motor is fixedly arranged at the top of the shell and drives the rotating ring to rotate, and the rotating filter plate and the fixed filter plate are matched to form a circulating water multistage filtering structure.

2. The circulating water filtering device for the aniline plant heat exchanger, according to claim 1, is characterized in that: the vertical axle department in center of casing still is provided with spacing axis, spacing centraxonial lower part with fixed filter plate fixed connection and upper portion with driving motor can dismantle the connection, the rotating ring is wheel type column structure and includes spacing ring, spoke board and inside and outside ring gear, inside and outside ring gear cover establish and rotate connect in spacing epaxial, the spacing ring with the spacing rotation of shells inner wall is connected, the spoke board with the top fixed connection who rotates the filter plate, driving motor's bottom is provided with the drive gear axle, the drive gear axle with inside and outside ring gear meshing and drive the rotating ring periodic type reciprocates and rotates.

3. The circulating water filtering device for the aniline plant heat exchanger, according to claim 2, is characterized in that: the inside and outside ring gear includes carrier ring, semi-gear and semi-gear ring, the carrier ring with the top fixed connection of spoke board, semi-gear ring be inside only the left side half be provided with the ring gear of dogtooth and fixed set up in on the carrier ring, semi-gear be the outside only the right side half be provided with the gear of dogtooth and with semi-gear ring coaxial fixed set up in on the carrier ring, the drive gear axle respectively with correspond the position semi-gear ring and semi-gear meshing constitute cycle and come and go the revolution mechanic.

4. The circulating water filtering device for the aniline plant heat exchanger, according to claim 3, is characterized in that: the top of the shell is provided with a limiting top cover, the center of the limiting top cover is provided with a circular rotating limiting groove, the bearing ring rotates in the rotating limiting groove in a limiting mode, the driving motor and the limiting top cover are detachably connected, and the limiting top cover is connected with the shell through screw threads.

5. The circulating water filtering device for the aniline plant heat exchanger, according to claim 1, is characterized in that: an orange-shaped annular flexible filter screen is further paved in a space formed by every two adjacent fixed filter plates and every two adjacent rotary filter plates.

6. The circulating water filtering device for the aniline plant heat exchanger, according to claim 5, is characterized in that: the fixed filter plate that except feed liquor pipe and drain pipe correspond the department does not set up the filtration pore, all the other is whole all be provided with on fixed filter plate and the rotation filter plate cross filtration pore and filter screen gim peg, the filter screen gim peg will flexible filter screen and corresponding face fixed filter plate can dismantle with the rotation filter plate and be connected.