CN217490002U

CN217490002U - Concrete mixing tank washes waste water recovery and recycles device

Info

Publication number: CN217490002U
Application number: CN202122646539.2U
Authority: CN
Inventors: 王振; 徐志平; 张坤; 李文杰
Original assignee: Commercial Concrete Center Of Shandong Ping An Construction Group Co ltd
Current assignee: Commercial Concrete Center Of Shandong Ping An Construction Group Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-09-27
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a concrete mixing tank washes waste water recovery and recycles device, include: the device comprises a feeding box, a rotary drum, a bearing plate and a bearing box; wherein: the drum surface of the rotary drum is a filter screen, the rotary drum is horizontally and rotatably connected in the feeding box, and the lower part of the rotary drum is positioned below the lower port of the feeding box; the two bearing plates are respectively obliquely arranged on two sides of the cylindrical surface of the rotary drum, the lower end of each bearing plate extends to the outside of the feeding box from the lower port of the feeding box, and the upper end of each bearing plate is positioned on the cylindrical surface of the rotary drum and is not in contact with the cylindrical surface of the rotary drum; a gap is formed between the bearing plate and the lower port of the feeding box; the inner cavity of the bearing box is divided into a left chamber, a middle chamber and a right chamber along the length direction of the rotary drum, the middle chamber is positioned below the rotary drum, and the lower ends of the two bearing plates are respectively positioned in the left chamber and the right chamber. The device can high-efficiently, conveniently carry out the recovery of separation water resource, sand, stone to washing waste water, avoids the wasting of resources.

Description

Concrete mixing tank washes waste water recovery and recycles device

Technical Field

The utility model relates to a building engineering technology field, concretely relates to concrete mixing tank washes waste water recovery and recycles device.

Background

Concrete mixers are important equipment in concrete mixing plants, which mix and mix cement, gravel aggregate and water into a concrete mix. After the concrete mixer is used each time, concrete adhered to the mixing tank and the material inlet and outlet needs to be cleaned by water, a large amount of alkaline waste water is generated in the process, and the waste water contains a large amount of sand, stones, cement and the like, so that the environment is easily polluted if the waste water is directly discharged, and the waste of water resources and concrete raw materials is caused. In addition, sometimes in order to improve the cleaning efficiency, concrete adhered to the inner wall of the stirring tank is accelerated, sand and stones are specially added into the stirring tank before cleaning, then stirring and cleaning are carried out, and waste is caused along with waste water discharge after cleaning.

Disclosure of Invention

To foretell problem, the utility model provides a concrete mixing tank washes waste water recovery and recycles device, the device can high-efficiently, conveniently carry out the recovery of separation water resource, sand, stone to washing waste water, avoids the wasting of resources. In order to achieve the above object, the technical solution of the present invention is as follows.

The utility model provides a concrete mixing tank washes waste water recovery and recycles device, includes: the device comprises a feeding box, a rotary drum, a bearing plate and a bearing box. Wherein: the upper end and the lower end of the feeding box are both in an open shape, the cylindrical surface of the rotary drum is a filter screen, the rotary drum is horizontally and rotatably connected in the feeding box, and the lower part of the rotary drum is positioned below the lower port of the feeding box. The two bearing plates are respectively obliquely arranged on two sides of the cylindrical surface of the rotary drum, the lower end of each bearing plate extends to the outside of the feeding box from the lower port of the feeding box, and the upper end of each bearing plate is positioned on the cylindrical surface of the rotary drum and is not in contact with the cylindrical surface of the rotary drum; a gap is formed between the bearing plate and the lower port of the feeding box, so that stones can pass through the gap conveniently. The inner cavity of the bearing box is divided into a left chamber, a middle chamber and a right chamber along the length direction of the rotary drum, the middle chamber is positioned below the rotary drum, and the lower ends of the two bearing plates are respectively positioned in the left chamber and the right chamber so as to be convenient for bearing stones falling from the bearing plates.

Furthermore, rotating shafts are fixed on two end faces of the rotating drum, the rotating shafts are rotatably connected to the side wall of the feeding box, and one of the rotating shafts is in transmission connection with a driving motor outside the feeding box through a belt.

Furthermore, the cylinder surface of the rotary cylinder is a stainless steel filter screen with the aperture of 1.0-1.5 cm.

Furthermore, the left end and the right end of the receiving box respectively correspond to the left end and the right end of the rotary drum, and one end of the receiving box extends to the outside of the feeding box.

Furthermore, a flow stabilizing plate is arranged in the middle cavity at one end, located outside the feeding box, of the bearing box, the flow stabilizing plate is fixed on the inner wall of the upper portion of the middle cavity in a hanging mode, and the upper space of the middle cavity is divided into two parts by the flow stabilizing plate.

Furthermore, a water outlet communicated with the middle chamber is fixed on the upper part of one end wall surface of the receiving box positioned outside the feeding box.

Furthermore, discharge ports are formed below the outer walls of the left chamber and the right chamber of the bearing box, so that stones falling from the bearing plate can be discharged conveniently.

Furthermore, the bearing plate is supported and fixed on the upper end surfaces of the inner walls of the left chamber and the right chamber through a supporting piece.

Furthermore, a sand discharge port communicated with the middle chamber is fixed on the outer wall of the middle chamber so as to discharge the sand-water mixture precipitated at the bottom of the middle chamber.

Further, the sand discharge port is connected with a filtering device so as to further filter and separate the discharged sand water.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses a set up the rotary drum that can pivoted filter screen formula in the feed tank, when the concrete mixing tank who contains sand, stone and moisture washes waste water and send to the tube side of rotary drum from the last port of feed tank on, the stone can't pass through the tube side mesh of rotary drum and the landing is fast to accepting the board on, get into the left cavity that holds the case at last, in the right cavity, sand and moisture then enter into the well cavity that holds the case behind the tube side mesh that sees through the rotary drum, the separation of stone in the waste water has been realized, and pivoted rotary drum still helps preventing some stone cards in the tube side mesh.

(2) The utility model discloses a three chamber structure accept the case can with the rotary drum well with accept the board cooperation, both realized accepting the stone of separation, also realized accepting sand and water. Meanwhile, the flow stabilizing plate is arranged in the middle chamber of the bearing box, so that the disturbance of the sand water falling in the rotary drum to the liquid level between the flow stabilizing plate and the water outlet can be reduced, and the effluent is kept as clear as possible.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

FIG. 1 is a schematic structural diagram of a concrete mixing tank washing wastewater recycling device in the embodiment.

FIG. 2 is a side sectional view of the concrete mixer tank washing wastewater recycling apparatus in the example.

FIG. 3 is a schematic structural view of a drum in the example.

FIG. 4 is a schematic structural diagram of a receiving box in the embodiment.

The labels in the figures represent: 1-feeding box, 2-rotating drum, 2.1-rotating shaft, 3-bearing plate, 4-bearing box, 4.1-left chamber, 4.2-middle chamber, 4.3-right chamber, 4.4-discharging port, 4.5-sand discharging port, 5-gap, 6-driving motor, 7-flow stabilizing plate, 8-water outlet and 9-supporting piece.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

In the description of the present invention, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and do not limit the structure, but merely facilitate the description of the present invention, rather than indicate or imply that the device or element referred to needs to have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The technical solution of the present invention will be further explained with reference to the drawings and examples of the specification.

Referring to fig. 1 to 4, there is illustrated a concrete mixing tank washing wastewater recycling apparatus, including: feeding box 1, rotary drum 2, accept board 3 and accept case 4, wherein:

the feeding box 1 is a cuboid structure with openings at the upper end and the lower end, the cylindrical surface of the rotary drum 2 is a stainless steel filter screen, and the feeding box 1 is mainly used for filtering out stones in flushing wastewater and discharging the stones from the rotary drum 2 along the bearing plate 3 after rolling off. The aperture of the stainless steel filter screen is selectable between 1.0 cm and 1.5cm, or other suitable apertures are selected according to actual needs. In addition, the filter screen made of stainless steel is impact-resistant and has good corrosion resistance.

And rotating shafts 2.1 are fixed on two end faces of the rotating drum 2, the rotating shafts 2.1 are rotatably connected on the side wall of the feeding box 1, and the lower part of the rotating drum is positioned below the lower port of the feeding box 1. One of the rotating shafts 2.1 is in transmission connection with a driving motor 6 outside the feeding box 1 through a belt so as to drive the rotating drum 2 to rotate through the driving motor 6.

The two bearing plates 3 are respectively obliquely arranged on two sides of the cylindrical surface of the rotary drum 2, the lower end of each bearing plate 3 extends from the lower port of the feeding box 1 to the outside of the feeding box 1, and the upper end of each bearing plate 3 is positioned at the cylindrical surface of the rotary drum 2 and is not in contact with the cylindrical surface; a gap 5 is arranged between the bearing plate 3 and the lower port of the feeding box 1 so as to facilitate the passing of stones. The bearing plate 3 is supported and fixed on the upper end surfaces of the inner walls of the left chamber 4.1 and the right chamber 4.3 through a support member 9 (such as a support column, a support plate and the like).

The inner cavity of the receiving box 4 is divided into a left chamber 4.1, a middle chamber 4.2 and a right chamber 4.3 along the length direction of the rotary drum 2, the middle chamber 4.2 is positioned below the rotary drum 2, and the lower ends of the two receiving plates 3 are respectively positioned in the left chamber 4.1 and the right chamber 4.3 so as to receive stones falling from the receiving plates 3.

Through the rotary drum 2 of the filter screen type which can rotate arranged in the feeding box 1, when the washing wastewater of the concrete mixing tank containing sand, stones and moisture is sent to the drum surface of the rotary drum 2 from the upper port of the feeding box 1, the stones can not rapidly slide to the receiving plate 3 through the drum surface meshes of the rotary drum 2 and finally enter the left chamber 4.1 and the right chamber 4.3 of the receiving box, and the sand and the moisture enter the middle chamber 4.2 of the receiving box after penetrating through the drum surface meshes of the rotary drum 2, so that the separation of the stones in the wastewater is realized, and the rotary drum 2 can help to prevent some stones from being blocked in the drum surface meshes.

Referring to fig. 1, in another preferred embodiment, the left and right ends of the receiving box 4 correspond to the left and right ends of the drum 2, respectively, and one end of the receiving box 4 extends to the outside of the feeding box 1. A flow stabilizing plate 7 is arranged in the middle chamber 4.2 at one end of the receiving box 4, which is positioned outside the feeding box 1, the flow stabilizing plate 7 is fixed on the inner wall of the upper part of the middle chamber 4.2 in a hanging manner, and the flow stabilizing plate 7 divides the upper space of the middle chamber 4.2 into two parts. A water outlet 8 communicated with the middle chamber 4.2 is fixed on the upper part of one end wall surface of the receiving box 4 positioned outside the feeding box 1, and the flow stabilizing plate 7 is arranged in the middle chamber 4.2 of the receiving box 4, so that the disturbance of sand water falling in the rotary drum 2 on the liquid level between the flow stabilizing plate 7 and the water outlet 8 can be reduced, and the discharged water is kept as clear as possible.

Referring to fig. 1, 2 or 4, in another preferred embodiment, the receiving box 4 has a discharge port 4.4 below the outer wall of the left and right chambers 4.1 and 4.3 to discharge the stones falling from the receiving plate 3, and the left and right chambers 4.1 and 4.3 can well buffer the speed of the stones falling from the receiving plate 3, so as to prevent the stones from falling to the ground and help to keep the ground clean.

Referring to fig. 4, in another preferred embodiment, a sand outlet 4.5 communicated with the middle chamber 4.2 is fixed on the outer wall of the middle chamber 4.2 to discharge the sand-water mixture settled at the bottom of the middle chamber 4.2. The sand discharge port 4.5 is connected with a filtering device so as to further filter and separate the discharged sand water, thereby realizing the recycling of water resources and sand.

Finally, it should be understood that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims

1. The utility model provides a concrete mixing tank washes waste water recovery and recycles device which characterized in that includes: the device comprises a feeding box, a rotary drum, a bearing plate and a bearing box; wherein: the upper end and the lower end of the feeding box are both open, the cylindrical surface of the rotary drum is a filter screen, the rotary drum is horizontally and rotatably connected in the feeding box, and the lower part of the rotary drum is positioned below the lower port of the feeding box; the two bearing plates are respectively obliquely arranged on two sides of the cylindrical surface of the rotary drum, the lower end of each bearing plate extends to the outside of the feeding box from the lower port of the feeding box, and the upper end of each bearing plate is positioned on the cylindrical surface of the rotary drum and is not in contact with the cylindrical surface of the rotary drum; a gap is formed between the bearing plate and the lower port of the feeding box; the inner cavity of the bearing box is divided into a left chamber, a middle chamber and a right chamber along the length direction of the rotary drum, the middle chamber is positioned below the rotary drum, and the lower ends of the two bearing plates are respectively positioned in the left chamber and the right chamber.

2. The concrete mixing tank washing wastewater recycling device according to claim 1, wherein the drum surface of the drum is a stainless steel filter screen with a diameter of 1.0-1.5 cm.

3. The concrete mixer tank washing wastewater recycling device according to claim 1, wherein the left and right ends of the receiving box correspond to the left and right ends of the drum, respectively, and one end of the receiving box extends to the outside of the feeding box.

4. The concrete mixing tank washing wastewater recycling device according to claim 1, wherein the receiving box has discharge ports below the outer walls of the left chamber and the right chamber.

5. The concrete mixing tank washing wastewater recycling device as recited in claim 1, wherein the receiving plate is supported and fixed on the upper end surface of the inner wall of the left chamber and the inner wall of the right chamber by a supporting member.

6. The concrete mixing tank washing wastewater recycling device according to claim 1, wherein a sand discharge port communicated with the middle chamber is fixed on the outer wall of the middle chamber.

7. The concrete mixing tank washing wastewater recycling device according to claim 6, wherein the sand discharge port is connected with a filtering device.

8. The concrete mixing tank washing wastewater recycling device according to any one of claims 1 to 7, wherein rotating shafts are fixed on two end surfaces of the rotating drum, the rotating shafts are rotatably connected to the side wall of the feeding box, and one of the rotating shafts is in belt transmission connection with a driving power outside the feeding box.