CN220845649U - DTRO flow guide disc - Google Patents

Abstract

The utility model discloses a DTRO flow guiding disc, which relates to the technical field of flow guiding discs and comprises the following components: the membrane shell comprises a membrane shell body and connecting ribs, wherein a water inlet is formed in the bottom of the membrane shell body, a guide disc body is arranged in the membrane shell body, and diaphragms are connected to two sides of the guide disc body. This DTRO water conservancy diversion dish can follow the water channel of water conservancy diversion dish body through the waste liquid and flow out, contact with the diaphragm, then by diaphragm center to circumference diffusion, flow through the diaphragm upper surface back at diaphragm circumference direction and cross to the back of diaphragm, then flow to the center by the circumferencial direction of diaphragm again, the overflow area of feed liquid is from little to big then from big to little again, the diaphragm surface cross flow velocity of flow center department that corresponds is big, circumference department is little, diaphragm center department is fixed by the sealing washer and the overflow area is less, can bear the highest cross flow velocity of flow, circumference department diaphragm is natural state, less velocity of flow is favorable to reducing the impact of diaphragm, radial water distribution rib has filled up the diaphragm, prevent that diaphragm body surface first protruding head from impaling the diaphragm.

Description

DTRO flow guide disc

Technical Field

The utility model relates to the technical field of flow guide plates, in particular to a DTRO flow guide plate.

Background

DTRO is a classification of DT, of which there are DTRO, DTNF, DTUF kinds, wherein DTRO is used in the occasion of high concentration sewage and landfill leachate, and mainly comprises a flow guiding disk, a DTRO membrane, a membrane shell, a central pull rod, a water inlet and outlet high pressure joint, a fixing nut, a sealing shaft sleeve, a pressure bearing nut, an upper flange, a lower flange, a pull rod end sleeve, a lip-shaped sealing ring and a water producing shaft sleeve. The DTRO membrane and the guide disc are stacked together, fixed by a central pull rod and an end cover flange, and then placed in a pressure-resistant membrane shell, so that the disc-tube type reverse osmosis membrane assembly is formed. The flow guide disc is a core component in the disc-tube type membrane assembly, plays a fixed limiting role on the membrane, determines the turbulence effect on the surface of the membrane, directly influences the anti-pollution performance of the membrane assembly, and plays a decisive role in the sealing effect between the flow guide disc and the membrane in a high-pressure state.

The DTRO flow guide disk is a part installed in sewage treatment equipment, and is used for guiding the flow direction of liquid in the sewage treatment equipment, so that the separation of concentrated liquid and clear liquid is realized, the structure of the existing flow guide disk is single, the convex points on the flow guide disk body can puncture the diaphragm when the diaphragm column is assembled, the surface of the flow guide disk is unevenly distributed, and the through diaphragm can not achieve an ideal effect.

Disclosure of utility model

The utility model aims to provide a DTRO flow guiding disc so as to solve the problem that the convex points on the prior flow guiding disc body can puncture a diaphragm.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a DTRO baffle comprising: the membrane shell is provided with a water inlet at the bottom, a guide disc body is arranged in the membrane shell, two sides of the guide disc body are connected with diaphragms,

The connecting rib one side and the water conservancy diversion dish body integrated into one piece, connecting rib opposite side integrated into one piece has interior supporting ring, water conservancy diversion dish body outside fixedly connected with outer supporting ring.

Preferably, a fixing pin platform is injection molded on one side of the inner support ring, and a fixing pin body is fixedly connected on one side of the fixing pin platform.

Preferably, a water producing channel is formed in the inner side of the inner supporting ring, and the two sides of the flow guiding disc body are fixedly connected with first raised heads.

Preferably, sealing grooves are formed in two sides of the inner support ring, and second raised heads are formed in two sides of the connecting ribs in an injection molding mode.

Preferably, a fixing groove matched with the fixing pin body is formed in one side, far away from the fixing pin body, of the guide plate body, and radial water distribution ribs are formed in two sides of the guide plate body in an injection molding mode.

Compared with the prior art, the DTRO flow guiding disc has the beneficial effects that: the DTRO flow guiding disc is a part installed in sewage treatment equipment, the liquid flow direction in the sewage treatment equipment is guided, and then separation of concentrated liquid and clear liquid is achieved, waste liquid to be treated flows out of a water producing channel of a flow guiding disc body and contacts with a diaphragm, then the waste liquid is diffused from the center of the diaphragm to the circumference, the waste liquid flows through the upper surface of the diaphragm and then passes over the back surface of the diaphragm in the circumferential direction, then flows to the center from the circumferential direction of the diaphragm again, the overflow area of feed liquid is from small to large and then from large to small, the corresponding cross flow velocity center of the diaphragm surface is large, the circumference is small, the diaphragm at the center is fixed by a sealing ring and has small overflow area, the highest cross flow velocity can be borne, the diaphragm at the circumference is in a natural state, the small velocity is favorable for reducing impact of the diaphragm, radial water distribution ribs heighten the diaphragm, the first convex heads on the surface of the flow guiding disc body are prevented from piercing the diaphragm, the liquid distribution on the flow guiding disc body is uniform through the operation, the film filling time is shortened, the service life of the diaphragm is guaranteed.

Drawings

FIG. 1 is a schematic view in front cross section of a membrane shell of the present utility model;

FIG. 2 is a schematic top view of the baffle body of the present utility model;

FIG. 3 is a schematic view of a baffle according to the present utility model;

FIG. 4 is a schematic front perspective view of a baffle plate of the present utility model;

FIG. 5 is a schematic view of a reverse side of a baffle plate of the present utility model;

FIG. 6 is a schematic view of a combination of a baffle plate body according to the present utility model;

FIG. 7 is an enlarged schematic view of the utility model A;

FIG. 8 is a schematic diagram of a prior art diaphragm assembly;

FIG. 9 is a schematic top view of a prior art baffle;

Fig. 10 is a schematic bottom view of a conventional baffle.

In the figure: 1. a membrane shell; 2. a water inlet; 3. a deflector body; 4. an inner support ring; 5. an outer support ring; 6. a fixed pin platform; 7. a fixing pin body; 8. a water producing channel; 9. a first projection; 10. sealing grooves; 11. a connecting rib; 12. a second raised head; 13. a fixing groove; 14. a membrane; 15. radial water distribution ribs.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 10, the present utility model provides a technical solution: a DTRO baffle comprising: the membrane shell 1 and the connecting ribs 11, the water inlet 2 is arranged at the bottom of the membrane shell 1, the guide disc body 3 is arranged in the membrane shell 1, the diaphragms 14 are connected at two sides of the guide disc body 3,

One side of the connecting rib 11 is integrally formed with the guide disc body 3, the other side of the connecting rib 11 is integrally formed with the inner supporting ring 4, and the outer side of the guide disc body 3 is fixedly connected with the outer supporting ring 5; a fixed pin platform 6 is formed on one side of the inner support ring 4 in an injection molding way, and a fixed pin body 7 is fixedly connected to one side of the fixed pin platform 6; a water producing channel 8 is formed in the inner side of the inner supporting ring 4, and the two sides of the flow guiding disc body 3 are fixedly connected with first raised heads 9; sealing grooves 10 are formed in two sides of the inner support ring 4, and second raised heads 12 are formed in two sides of the connecting ribs 11 in an injection molding mode; the fixed slot 13 matched with the fixed pin body 7 is formed in one side, far away from the fixed pin body 7, of the guide plate body 3, and radial water distribution ribs 15 are formed in two sides of the guide plate body 3 in an injection molding mode.

In specific implementation, the DTRO flow guide disc is a part installed in sewage treatment equipment, the flow direction of liquid in the sewage treatment equipment is guided, so that separation of concentrated liquid and clear liquid is realized, waste liquid to be treated flows out of a water producing channel 8 of a flow guide disc body 3, contacts a diaphragm 14, is diffused circumferentially from the center of the diaphragm 14, flows through the upper surface of the diaphragm 14, then turns over to the back surface of the diaphragm 14 in the circumferential direction of the diaphragm 14, flows through the center of the diaphragm 14 again in the circumferential direction of the diaphragm 14, flows through the water producing channel 8 of the flow guide disc body 3 of a next disc tubular membrane assembly, flows through the next diaphragm 14, and is connected with a fixed groove 13 through a fixed pin body 7 between two groups of diaphragms 14, and in the process of the treated waste liquid from the center of the diaphragm 14 to the circumference, the flow rate center of the inlet liquid is large from small to large to small, the cross flow rate center of the corresponding diaphragm 14 is small, the cross flow rate center of the diaphragm 14 is fixed by a sealing ring, the cross flow rate is small, the cross flow rate of the diaphragm 14 is small, and the cross flow rate of the diaphragm 14 is high can bear, and the cross flow is in the natural state, and the cross flow of the diaphragm 14 is small, and the cross flow rate is in the natural state is easy to reduce;

the radial water distribution rib 15 heightens the diaphragm 14, the first protruding head 9 on the surface of the guide disc body 3 is prevented from piercing the diaphragm 14, thereby effectively protecting the diaphragm 14, the liquid is changed into the current secondary water distribution from the original primary water distribution under the guiding action of the connecting rib 11 and the radial water distribution rib 15, the secondary water distribution can prevent the scaling phenomenon caused by the blockage of the diaphragm 14, the service life of the diaphragm 14 is prolonged, the liquid after the secondary water distribution is uniform, the guiding flow is directional, the through flow speed is high, the film filling time is reduced, the water quality of produced water can be improved, the liquid on the guide disc body 3 can be uniformly distributed through the operation, the film filling time is shortened, the quality of produced water is improved, and the service life of the diaphragm 14 is ensured.

To sum up: when the DTRO flow guiding disc is used, sewage to be treated firstly enters the top of the sewage treatment device from the water inlet 2 at the bottom of the membrane shell 1, then flows out of the water producing channel 8 at the center of the flow guiding disc body 3 and contacts with the membrane 14, the membrane 14 purifies the sewage, and the sewage can be treated through the combination of a plurality of groups of the membrane 14 and the flow guiding disc body 3, so that the DTRO flow guiding disc is characterized in that the content which is not described in detail in the specification belongs to the prior art known to the person skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (1)

1. A DTRO baffle comprising: the novel water inlet type membrane comprises a membrane shell (1) and connecting ribs (11), wherein a water inlet (2) is formed in the bottom of the membrane shell (1), a guide disc body (3) is arranged in the membrane shell (1), and diaphragms (14) are connected to two sides of the guide disc body (3), and the novel water inlet type membrane is characterized in that:

Connecting rib (11) one side and water conservancy diversion dish body (3) integrated into one piece, connecting rib (11) opposite side integrated into one piece has interior supporting ring (4), water conservancy diversion dish body (3) outside fixedly connected with outer supporting ring (5), interior supporting ring (4) one side injection moulding has fixed pin platform (6), fixed pin platform (6) one side fixedly connected with fixed pin body (7), produce water channel (8) have been seted up to interior supporting ring (4) inboard, first bulge (9) of water conservancy diversion dish body (3) both sides fixedly connected with, seal groove (10) have been seted up to interior supporting ring (4) both sides, connecting rib (11) both sides injection moulding has second bulge (12), fixed slot (13) with fixed pin body (7) assorted are seted up to one side that fixed pin body (7) were kept away from to water conservancy diversion dish body (3), water conservancy diversion dish body (3) both sides injection moulding has radial water distribution rib (15).