阅读说明：本技术 一种前置过滤器穹形多孔板出水装置 (Front filter dome-shaped porous plate water outlet device ) 是由 杨宝生 范晔晖 邓娟 吴骥 于 2020-11-09 设计创作，主要内容包括：本发明公开了一种前置过滤器穹形多孔板出水装置,包括穹形多孔板、挡水板、挡水盘、挡水板固定杆和挡水盘固定杆,所述穹形多孔板的穹顶向进水管方向凸起,穹形多孔板的中心开设有进水孔,进水孔与进水管固定连接,穹形多孔板上还开设有若干布水孔。所述挡水板位于进水孔上方,挡水板经挡水板固定杆与穹形多孔板固定连接。所述挡水盘位于挡水板上方,挡水盘经挡水盘固定杆与穹形多孔板固定连接。本发明将水平的出水装置设置为向进水管凸起的穹形,减弱水流对穹形多孔板的压力,有利于出水装置的结构稳定,防止出水装置变形断裂,延长出水装置的使用寿命,同时穹形多孔板还能够促进均匀布水,提高位于边缘位置的滤元的利用效率。(The invention discloses a pre-filter dome-shaped porous plate water outlet device which comprises a dome-shaped porous plate, a water baffle disc, a water baffle fixing rod and a water baffle disc fixing rod. The water baffle is positioned above the water inlet hole and is fixedly connected with the arched porous plate through a water baffle fixing rod. The water retaining disc is positioned above the water retaining plate and is fixedly connected with the arched porous plate through a water retaining disc fixing rod. The horizontal water outlet device is arranged into the dome shape protruding towards the water inlet pipe, so that the pressure of water flow on the dome-shaped porous plate is weakened, the structure of the water outlet device is stable, the water outlet device is prevented from being deformed and broken, the service life of the water outlet device is prolonged, meanwhile, the dome-shaped porous plate can promote uniform water distribution, and the utilization efficiency of the filter element positioned at the edge position is improved.)

1. The utility model provides a leading filter vaulted porous plate effluent device, fixed locate in water treatment facilities barrel (1), and be located inlet tube (2) top, its characterized in that: the water distribution device comprises a dome-shaped porous plate (3), a water baffle (4), a water baffle disc (5), a water baffle fixing rod (6) and a water baffle disc fixing rod (7), wherein a dome of the dome-shaped porous plate (3) protrudes towards a water inlet pipe (2), a water inlet hole (8) is formed in the center of the dome-shaped porous plate (3), the water inlet hole (8) is fixedly connected with the water inlet pipe (2), and a plurality of water distribution holes (9) are formed in the dome-shaped porous plate (3); the water baffle (4) is positioned above the water inlet hole (8), and the water baffle (4) is fixedly connected with the dome-shaped porous plate (3) through a water baffle fixing rod (6); the water retaining disc (5) is positioned above the water retaining plate (4), and the water retaining disc (5) is fixedly connected with the arched porous plate (3) through a water retaining disc fixing rod (6).

2. A pre-filter domed porous plate outlet device according to claim 1, wherein: the dome-shaped porous plate (3) is integrally formed, and the thickness range of the dome-shaped porous plate (3) is 16-25 mm.

3. A pre-filter domed porous plate outlet device according to claim 2, wherein: the height difference range between the dome of the dome-shaped porous plate (3) and the edge of the dome-shaped porous plate (3) is 50-150 mm.

4. A pre-filter domed porous plate outlet device according to any of claims 1 to 3, wherein: on the vertical projection surface of the dome-shaped porous plate (3), a plurality of water distribution holes (9) formed in the dome-shaped porous plate (3) are arranged in a regular triangle.

5. A pre-filter domed porous plate outlet device according to claim 4, wherein: the distance between the adjacent water distribution holes (9) is equal, and the distance between the adjacent water distribution holes (9) ranges from 86mm to 95 mm.

6. A pre-filter domed porous plate outlet device according to claim 4, wherein: the number range of the water distribution holes (9) formed in the arched porous plate (3) is 68-406.

7. A pre-filter domed porous plate outlet device according to claim 1, wherein: the height difference between the water baffle (4) and the arched porous plate (3) ranges from 80mm to 140 mm.

8. A pre-filter domed porous plate outlet device according to claim 1, wherein: the height difference range between the water retaining disc (5) and the arched porous plate (3) is 180-280 mm.

9. A pre-filter domed porous plate outlet device according to claim 1, wherein: the diameter range of the water baffle (4) is phi 620-phi 970mm, and the diameter range of the water baffle disc (5) is phi 350-phi 630 mm.

10. A pre-filter domed porous plate outlet device according to claim 1, wherein: the perforated plate (3) is made of Q235B steel, Q235C steel, Q345R steel or 304 steel.

Technical Field

The invention relates to the technical field of industrial water treatment equipment, in particular to a water outlet device with a dome-shaped porous plate of a pre-filter.

Background

In water treatment facilities, for guaranteeing rivers are even, generally can be at the leading water outlet device of the anterior installation of water inlet rivers direction, the effect of water outlet device is with the single-stranded rivers dispersion of inlet tube department become stranded rivers, then through straining first filtration treatment, reach the water requirement. Traditional industrial water treatment facilities, especially water treatment facilities that the water inlet was arranged in the barrel below all need pressurize the intaking to guarantee that rivers possess sufficient speed and can pass through smoothly and strain the unit.

However, the porous plate water outlet device of the front filter adopted in the existing water treatment equipment is a horizontal plate fixedly connected with the cylinder, when pressurized water flows pass through the porous plate, the porous plate generates larger pressure, and the water outlet device is easy to deform or break under the action of long-time pressure, so that the service life of the water outlet device is influenced. Meanwhile, because the water outlet device is horizontally arranged, water flows vertically to the water outlet device, so that the water distribution of the water outlet device is not uniform, the filter element close to the edge cannot be fully utilized, and the water treatment efficiency is influenced. In order to solve the problem of overlarge pressure of the working environment of the water outlet device, the thickness of the porous plate water outlet device is increased by adopting a commonly adopted method, the construction cost of equipment is increased, and the problem that the porous plate water outlet device is overlarge in pressure cannot be completely solved, so that the novel porous plate water outlet device needs to be developed to solve the problem.

Disclosure of Invention

The invention aims to provide a dome-shaped porous plate water outlet device of a pre-filter, which can improve the stress condition of the water outlet device, ensure the stable structure of the water outlet device, prolong the service life of the water outlet device, promote the uniform water supplement of the water outlet device and improve the utilization efficiency of a filter element.

In order to solve the technical problems, the invention adopts the following technical scheme: a water outlet device with a dome-shaped porous plate of a pre-filter is fixedly arranged in a cylinder body of a water treatment device and is positioned above a water inlet pipe. The water outlet device of the dome-shaped porous plate of the pre-filter comprises the dome-shaped porous plate, a water baffle disc, a water baffle fixing rod and a water baffle disc fixing rod, wherein a dome of the dome-shaped porous plate protrudes towards the water inlet pipe, the center of the dome-shaped porous plate is provided with a water inlet hole, the water inlet hole is fixedly connected with the water inlet pipe, and the dome-shaped porous plate is further provided with a plurality of water distribution holes. The water baffle is positioned above the water inlet hole and is fixedly connected with the arched porous plate through a water baffle fixing rod. The water retaining disc is positioned above the water retaining plate and is fixedly connected with the arched porous plate through a water retaining disc fixing rod. Compared with a water outlet device with a flat plate horizontally arranged, the water outlet device has the advantages of uniform stress, stable structure and capability of promoting uniform water flow distribution.

In the water outlet device with the front-mounted filter and the dome-shaped porous plate, the dome-shaped porous plate is integrally formed, the thickness of the dome-shaped porous plate ranges from 16mm to 25mm, the pressure requirement in a normal use environment can be met within the range, the dome-shaped porous plate is thinner, the weight is light, and materials are saved.

Among the aforementioned leading filter vaulted perforated plate effluent device, the discrepancy in height scope between the edge of vault and the vault perforated plate of vault perforated plate is 50 ~ 150mm, and the discrepancy in height undersize can not effectively reach the effect of dispersion rivers pressure, and the too big dome department pressure that can increase of discrepancy in height is unfavorable for stable in structure equally.

In the foregoing water outlet device with the pre-filter dome-shaped porous plate, on a vertical projection plane of the dome-shaped porous plate, a plurality of water distribution holes formed in the dome-shaped porous plate are arranged in a regular triangle.

In the water outlet device with the dome-shaped porous plate of the pre-filter, the distance between every two adjacent water distribution holes is equal, and the distance between every two adjacent water distribution holes ranges from 86mm to 95 mm.

In the water outlet device of the dome-shaped porous plate of the pre-filter, the number of the water distribution holes formed in the dome-shaped porous plate ranges from 68 m to 406m, the distance and the number of the water distribution holes are controlled while the water distribution requirements are met, the excessive number of the water distribution holes is prevented, and the structural strength of the dome-shaped porous plate is reduced.

In the water outlet device with the pre-filter dome-shaped porous plate, the height difference between the water baffle and the dome-shaped porous plate ranges from 80mm to 140 mm.

In the water outlet device with the pre-filter dome-shaped porous plate, the height difference between the water retaining disc and the dome-shaped porous plate ranges from 180mm to 280 mm.

In the water outlet device with the dome-shaped porous plate of the pre-filter, the diameter range of the water baffle is phi 620-phi 970mm, and the diameter range of the water baffle disc is phi 350-phi 630 mm.

In the foregoing pre-filter dome-shaped porous plate water outlet device, the porous plate is made of Q235B steel, Q235C steel, Q345R steel or 304 steel. The invention provides yield point selection of porous plate materials, which meets the impact resistance of the porous plate, or selects 304 steel with stronger corrosion resistance.

Compared with the prior art, the invention has the advantages that: the utility model provides a leading filter vaulted porous plate effluent device sets up horizontally water outlet means into to the bellied vault of inlet tube, weakens rivers to the pressure of vaulted porous plate, is favorable to water outlet means's stable in structure, prevents water outlet means deformation fracture, prolongs water outlet means's life, and the vaulted porous plate can also promote the water evenly-distributed simultaneously, improves the utilization efficiency that is located the filtration unit of border position.

Drawings

FIG. 1 is a schematic view of the installation of the present invention in a water treatment device;

FIG. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention.

The meaning of the reference numerals: 1-cylinder, 2-water inlet pipe, 3-dome-shaped porous plate, 4-water baffle, 5-water baffle disc, 6-water baffle fixing rod, 7-water baffle disc fixing rod, 8-water inlet hole and 9-water distribution hole.

The invention is further described with reference to the following figures and detailed description.

Detailed Description

Example 1 of the invention: as shown in fig. 1, the present embodiment is a water outlet device with a dome-shaped porous plate of a pre-filter, which is fixed in a cylinder 1 of a water treatment device and located above a water inlet pipe 2. As shown in fig. 2, the water distribution device of the water supply system comprises a dome-shaped porous plate 3, a water baffle 4, a water baffle disc 5, a water baffle fixing rod 6 and a water baffle disc fixing rod 7, wherein a dome of the dome-shaped porous plate 3 protrudes towards a water inlet pipe 2, a water inlet hole 8 is formed in the center of the dome-shaped porous plate 3, the water inlet hole 8 is fixedly connected with the water inlet pipe 2, and a plurality of water distribution holes 9 are further formed in the dome-shaped porous plate 3. The water baffle 4 is positioned above the water inlet hole 8, and the water baffle 4 is fixedly connected with the dome-shaped porous plate 3 through a water baffle fixing rod 6. The water retaining disc 5 is positioned above the water retaining plate 4, and the water retaining disc 5 is fixedly connected with the arched porous plate 3 through a water retaining disc fixing rod 6. The perforated plate 3 is made of Q235B steel.

As shown in fig. 3, the dome-shaped porous plate 3 described in the present embodiment is integrally molded, and the thickness of the dome-shaped porous plate 3 is 16 mm. The height difference between the dome of the dome-shaped porous plate 3 and the edge of the dome-shaped porous plate 3 was 70 mm.

The distance between the adjacent water distribution holes 9 is equal, the distance between the adjacent water distribution holes 9 is 86mm, and 68 water distribution holes 9 are formed in the dome-shaped porous plate 3.

Example 2 of the invention: as shown in fig. 1, the present embodiment is a water outlet device with a dome-shaped porous plate of a pre-filter, which is fixed in a cylinder 1 of a water treatment device and located above a water inlet pipe 2. As shown in fig. 2, the water distribution device of the water supply system comprises a dome-shaped porous plate 3, a water baffle 4, a water baffle disc 5, a water baffle fixing rod 6 and a water baffle disc fixing rod 7, wherein a dome of the dome-shaped porous plate 3 protrudes towards a water inlet pipe 2, a water inlet hole 8 is formed in the center of the dome-shaped porous plate 3, the water inlet hole 8 is fixedly connected with the water inlet pipe 2, and a plurality of water distribution holes 9 are further formed in the dome-shaped porous plate 3. The water baffle 4 is positioned above the water inlet hole 8, and the water baffle 4 is fixedly connected with the dome-shaped porous plate 3 through a water baffle fixing rod 6. The water retaining disc 5 is positioned above the water retaining plate 4, and the water retaining disc 5 is fixedly connected with the arched porous plate 3 through a water retaining disc fixing rod 6. The perforated plate 3 is made of Q235C steel.

As shown in fig. 2, the dome-shaped porous plate 3 described in the present embodiment is integrally molded, and the thickness of the dome-shaped porous plate 3 is 20 mm. The height difference between the dome of the dome-shaped porous plate 3 and the edge of the dome-shaped porous plate 3 is 105 mm.

As shown in fig. 3, in the present embodiment, on the vertical projection plane of the dome-shaped porous plate 3, a plurality of water distribution holes 9 formed in the dome-shaped porous plate 3 are arranged in a regular triangle.

The distance between the adjacent water distribution holes 9 is equal, the distance between the adjacent water distribution holes 9 is 90mm, and the number of the water distribution holes 9 arranged on the dome-shaped porous plate 3 is 115.

In this embodiment, the height difference between the water baffle 4 and the dome-shaped porous plate 3 is 80mm, and the height difference between the water baffle 5 and the dome-shaped porous plate 3 is 180 mm. The diameter of the water baffle 4 is phi 620mm, and the diameter of the water baffle disc 5 is phi 350 mm.

Example 3 of the invention: as shown in fig. 1, the present embodiment is a water outlet device with a dome-shaped porous plate of a pre-filter, which is fixed in a cylinder 1 of a water treatment device and located above a water inlet pipe 2. As shown in fig. 2, the water distribution device of the water supply system comprises a dome-shaped porous plate 3, a water baffle 4, a water baffle disc 5, a water baffle fixing rod 6 and a water baffle disc fixing rod 7, wherein a dome of the dome-shaped porous plate 3 protrudes towards a water inlet pipe 2, a water inlet hole 8 is formed in the center of the dome-shaped porous plate 3, the water inlet hole 8 is fixedly connected with the water inlet pipe 2, and a plurality of water distribution holes 9 are further formed in the dome-shaped porous plate 3. The water baffle 4 is positioned above the water inlet hole 8, and the water baffle 4 is fixedly connected with the dome-shaped porous plate 3 through a water baffle fixing rod 6. The water retaining disc 5 is positioned above the water retaining plate 4, and the water retaining disc 5 is fixedly connected with the arched porous plate 3 through a water retaining disc fixing rod 6. The perforated plate 3 is made of Q345R steel.

As shown in fig. 2, the dome-shaped porous plate 3 described in the present embodiment is integrally molded, and the thickness of the dome-shaped porous plate 3 is 22 mm. The height difference between the dome of the dome-shaped porous plate 3 and the edge of the dome-shaped porous plate 3 is 130 mm.

As shown in fig. 3, in the present embodiment, on the vertical projection plane of the dome-shaped porous plate 3, a plurality of water distribution holes 9 formed in the dome-shaped porous plate 3 are arranged in a regular triangle.

The distance between the adjacent water distribution holes 9 is equal, the distance between the adjacent water distribution holes 9 is 90mm, and 208 water distribution holes 9 are formed in the dome-shaped porous plate 3.

In this embodiment, the height difference between the water baffle 4 and the dome-shaped porous plate 3 is 80mm, and the height difference between the water baffle 5 and the dome-shaped porous plate 3 is 180 mm. The diameter of the water baffle 4 is phi 620mm, and the diameter of the water baffle disc 5 is phi 350 mm.

In the embodiment, the height difference between the water baffle 4 and the dome-shaped porous plate 3 is 120mm, and the height difference between the water baffle 5 and the dome-shaped porous plate 3 is 240 mm. The diameter of the water baffle 4 is phi 700mm, and the diameter of the water baffle disc 5 is phi 450 mm.

Example 4 of the invention: as shown in fig. 1, the present embodiment is a water outlet device with a dome-shaped porous plate of a pre-filter, which is fixed in a cylinder 1 of a water treatment device and located above a water inlet pipe 2. As shown in fig. 2, the water distribution device of the water supply system comprises a dome-shaped porous plate 3, a water baffle 4, a water baffle disc 5, a water baffle fixing rod 6 and a water baffle disc fixing rod 7, wherein a dome of the dome-shaped porous plate 3 protrudes towards a water inlet pipe 2, a water inlet hole 8 is formed in the center of the dome-shaped porous plate 3, the water inlet hole 8 is fixedly connected with the water inlet pipe 2, and a plurality of water distribution holes 9 are further formed in the dome-shaped porous plate 3. The water baffle 4 is positioned above the water inlet hole 8, and the water baffle 4 is fixedly connected with the dome-shaped porous plate 3 through a water baffle fixing rod 6. The water retaining disc 5 is positioned above the water retaining plate 4, and the water retaining disc 5 is fixedly connected with the arched porous plate 3 through a water retaining disc fixing rod 6. The material of the porous plate 3 is 304 steel.

As shown in fig. 2, the dome-shaped porous plate 3 described in the present embodiment is integrally molded, and the thickness of the dome-shaped porous plate 3 is 25 mm. The height difference between the dome of the dome-shaped porous plate 3 and the edge of the dome-shaped porous plate 3 is 150 mm.

As shown in fig. 3, in the present embodiment, on the vertical projection plane of the dome-shaped porous plate 3, a plurality of water distribution holes 9 formed in the dome-shaped porous plate 3 are arranged in a regular triangle.

The distance between the adjacent water distribution holes 9 is equal, the distance between the adjacent water distribution holes 9 is 90mm, and 406 water distribution holes 9 are formed in the dome-shaped porous plate 3.

In the embodiment, the height difference between the water baffle 4 and the dome-shaped porous plate 3 is 140mm, and the height difference between the water baffle 5 and the dome-shaped porous plate 3 is 280 mm. The diameter of the water baffle 4 is phi 970mm, and the diameter of the water baffle disc 5 is phi 630 mm.

The working principle of the invention is as follows: compared with the water outlet device with the flat plate horizontally arranged, the flat plate water outlet device has the advantages that the stress is uniform, the structure is stable, meanwhile, the structure of the dome-shaped porous plate 3 can promote uniform water distribution, the filter elements close to the edge of the cylinder body 1 can be fully utilized, and the water treatment efficiency is further improved.

The invention also limits the height of the dome-shaped porous plate 3, namely the bending degree of the dome-shaped porous plate 3, prevents the effect of dispersing pressure from being influenced by too large or too small bending degree, optimizes the stress structure and improves the pressure resistance of the dome-shaped porous plate 3.