阅读说明：本技术 一种餐厨垃圾废水处理工艺 (Kitchen waste wastewater treatment process ) 是由 吴美琴 洪满江 于 2020-11-20 设计创作，主要内容包括：本发明公开了一种餐厨垃圾废水处理工艺,包括以下步骤：将破碎处理好的垃圾放入挤压式固液分离箱中进行固液分离；将固液分离后得到的废水进行油水分离；向油水分离后得到的废水中加入絮凝剂,沉淀；沉淀后的废水通入废水处理装置处理达标后排放,其中,挤压式固液分离箱包括上端固定连接有进料斗的固液分离箱体,固液分离箱体一侧端连接有电动机,电动机的输出轴贯穿固液分离箱体并固定连接有转轴,转轴上固定连接有挤料螺杆。本发明可将垃圾内部的水分挤出并从出水孔溢出固液分离箱体外侧,剩下的固渣则被继续挤压推进,最终从挤出孔挤出,小孔挤出的过程中可实现进一步沥水,便于垃圾后期的处理。(The invention discloses a kitchen waste wastewater treatment process, which comprises the following steps: putting the crushed garbage into an extrusion type solid-liquid separation box for solid-liquid separation; carrying out oil-water separation on the wastewater obtained after the solid-liquid separation; adding a flocculating agent into the wastewater obtained after the oil-water separation, and precipitating; the waste water after the sediment lets in waste water treatment facilities and handles and discharge after reaching standard, and wherein, extrusion formula solid-liquid separation case includes the solid-liquid separation box of upper end fixedly connected with feeder hopper, and solid-liquid separation box one side end is connected with the motor, and the output shaft of motor runs through solid-liquid separation box and fixedly connected with pivot, fixedly connected with crowded material screw rod in the pivot. The invention can extrude the water in the garbage and overflow the outer side of the solid-liquid separation box body from the water outlet hole, the remaining solid slag is continuously extruded and pushed and finally extruded from the extrusion hole, and the water can be further drained in the small hole extrusion process, thereby facilitating the post treatment of the garbage.)

1. The kitchen waste wastewater treatment process is characterized by comprising the following steps:

s1, putting the crushed garbage into an extrusion type solid-liquid separation box for solid-liquid separation;

s2, performing oil-water separation on the wastewater obtained after the solid-liquid separation;

s3, adding a flocculating agent into the wastewater obtained after oil-water separation, and precipitating;

s4, introducing the precipitated wastewater into a wastewater treatment device, treating the wastewater to reach the standard, and then discharging the wastewater.

2. The kitchen waste wastewater treatment process according to claim 1, characterized in that the extrusion type solid-liquid separation tank comprises a solid-liquid separation tank body (1) with an upper end fixedly connected with a feed hopper (2), an extrusion cavity (14) and a temporary storage cavity (13) are arranged on the inner side of the solid-liquid separation tank body (1), a side end of the solid-liquid separation tank body (1) is connected with a motor (3), an output shaft of the motor (3) penetrates through the solid-liquid separation tank body (1) and is fixedly connected with a rotating shaft (7), an extrusion screw (8) is fixedly connected to the rotating shaft (7), the extrusion screw (8) is located at the extrusion cavity (14), and an extrusion hole (6) is formed in the end, far away from the motor (3), of the solid-liquid separation tank body (1).

3. The kitchen waste and wastewater treatment process according to claim 2, characterized in that water outlet holes (5) are densely distributed on the surface of the solid-liquid separation box body (1).

4. The kitchen waste and wastewater treatment process according to claim 3, characterized in that the end of the rotating shaft (7) far away from the motor (3) is fixedly connected with a cutting part.

5. The kitchen waste and wastewater treatment process according to claim 4, wherein the cutting component comprises a fixed disc (9) and a cutting disc (10), one end of the fixed disc (9) is fixedly connected with the rotating shaft (7), the other end of the fixed disc (9) is connected with a bearing on the inner wall of the solid-liquid separation box body (1), and the cutting disc (10) is welded at the side end of the cutting disc (10).

6. The kitchen waste and wastewater treatment process according to any one of claims 2-5, characterized in that a scraping component is fixedly connected to an output shaft end of the motor (3).

7. The kitchen waste and wastewater treatment process according to claim 6, wherein the scraping component comprises a folded fixing rod (11) and a scraping strip (12), the folded fixing rod (11) is fixedly connected with an output shaft end of the motor (3), and the scraping strip (12) is fixedly connected with an end part of the folded fixing rod (11) far away from the motor (3).

8. The kitchen waste and wastewater treatment process according to claim 7, characterized in that a fixed seat cover (4) is welded at the side end of the solid-liquid separation box body (1), and the fixed seat cover (4) is positioned at the upper side of the extrusion hole (6).

Technical Field

The invention relates to the technical field of wastewater treatment, in particular to a kitchen waste wastewater treatment process.

Background

The kitchen waste, which is an important component of daily household garbage for human, accounts for nearly 20% of the total amount of the urban household garbage, and has the characteristics of high moisture, high salt content and high organic matter content, and the oil content is far higher than that of other organic garbage, so that the kitchen waste needs to be separately specially treated. But the domestic kitchen waste treatment process is still in an exploration stage at present. In recent years, various treatment process technologies are subjected to certain scale production practices.

At present, the treatment technology of the kitchen waste mainly comprises anaerobic digestion, feed conversion, a kitchen grinder, aerobic composting, small-sized biochemical on-site treatment equipment and the like. The anaerobic digestion process mainly comprises three stages of front-end pretreatment sorting, middle-end anaerobic digestion biogas production and rear-end biogas resource utilization.

In the kitchen waste wastewater treatment process, kitchen waste needs to be crushed, and solid-liquid separation is carried out on the crushed waste, but the existing kitchen waste has poor solid-liquid separation effect, so that the later-stage treatment of the waste is not thorough.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a kitchen waste and wastewater treatment process.

In order to achieve the purpose, the invention adopts the following technical scheme:

a kitchen waste wastewater treatment process comprises the following steps:

s1, putting the crushed garbage into an extrusion type solid-liquid separation box for solid-liquid separation;

s2, performing oil-water separation on the wastewater obtained after the solid-liquid separation;

s3, adding a flocculating agent into the wastewater obtained after oil-water separation, and precipitating;

s4, introducing the precipitated wastewater into a wastewater treatment device, treating the wastewater to reach the standard, and then discharging the wastewater.

Preferably, extrusion formula solid-liquid separation case includes the solid-liquid separation box of upper end fixedly connected with feeder hopper, and the solid-liquid separation box inboard is provided with extrusion chamber and interim storage cavity, solid-liquid separation box one side end is connected with the motor, the output shaft of motor runs through solid-liquid separation box and fixedly connected with pivot, fixedly connected with crowded material screw rod in the pivot, and crowded material screw rod is located extrusion chamber department, the tip that the motor was kept away from to the solid-liquid separation box is provided with extrudes the hole.

Preferably, the surface of the solid-liquid separation box body is densely provided with water outlet holes.

Preferably, the end of the rotating shaft far away from the motor is fixedly connected with a cutting component.

Preferably, the cutting part includes fixed disk and cutting piece, fixed disk one end and pivot fixed connection, the fixed disk other end is connected with solid-liquid separation box inner wall bearing, the cutting piece welds in cutting piece side.

Preferably, the output shaft end of the motor is fixedly connected with a scraping component.

Preferably, the scraping component comprises a folding fixing rod and a scraping strip, the folding fixing rod is fixedly connected with the output shaft end of the motor, and the scraping strip is fixedly connected to the end part, far away from the motor, of the folding fixing rod.

Preferably, a fixed seat cover is welded at the side end of the solid-liquid separation box body and is positioned on the upper side of the extrusion hole.

Compared with the prior art, the invention provides a kitchen waste wastewater treatment process, which has the following beneficial effects:

1. through densely distributing the water outlet holes and the extrusion holes on the surface of the solid-liquid separation box body, and connecting the extrusion screw rods in the solid-liquid separation box body, the motor drives the extrusion screw rods to rotate to extrude garbage, water in the garbage is extruded out and overflows from the water outlet holes to the outer side of the solid-liquid separation box body, the remaining solid slag is continuously extruded and pushed, finally the garbage is extruded from the extrusion holes, and the further water draining can be realized in the process of extruding the small holes, so that the later-stage treatment of the garbage is facilitated.

2. The end part fixed connection of the motor is kept away from the rotating shaft, the cutting part comprises a fixed disc and a cutting disc, one end of the fixed disc is fixedly connected with the rotating shaft, the other end of the fixed disc is connected with a bearing on the inner wall of the solid-liquid separation box body, the cutting disc is welded at the side end of the cutting disc, and the motor drives the cutting disc to cut solid slag, so that the slag is smoothly discharged.

3. Scrape the material part through the output shaft end fixed connection at the motor, when motor drive crowded material screw rod rotated extrusion rubbish, the little solid sediment of part can spill over from the apopore along with waste water, and motor drive scrapes the material part and rotates for scrape the strip and strike off the solid sediment of solid-liquid separation box surface adhesion, can prevent effectively that the apopore from blockking up, improve the solid-liquid separation effect.

The part which is not involved in the device is the same as the prior art or can be realized by the prior art, the invention can extrude the water in the garbage and overflow the outside of the solid-liquid separation box body from the water outlet hole, the remaining solid slag is continuously extruded and pushed and finally extruded from the extrusion hole, and the water can be further drained in the small-hole extrusion process, thereby facilitating the later treatment of the garbage.

Drawings

FIG. 1 is a schematic view of a kitchen waste wastewater treatment process flow structure provided by the invention;

FIG. 2 is a schematic structural diagram of an extrusion type solid-liquid separation tank of the kitchen waste wastewater treatment process provided by the invention in a partially cut-away state;

FIG. 3 is a schematic structural diagram of an extrusion type solid-liquid separation tank of the kitchen waste wastewater treatment process provided by the invention;

fig. 4 is a schematic structural diagram of a second embodiment of the kitchen waste and wastewater treatment process provided by the invention.

In the figure: 1-a solid-liquid separation box body, 2-a feed hopper, 3-a motor, 4-a fixed seat cover, 5-a water outlet hole, 6-an extrusion hole, 7-a rotating shaft, 8-an extrusion screw, 9-a fixed disc, 10-a cutting blade, 11-a folding fixed rod, 12-a scraping strip, 13-a temporary storage cavity and 14-an extrusion cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-3, a kitchen waste and wastewater treatment process comprises the following steps:

s1, putting the crushed garbage into an extrusion type solid-liquid separation box for solid-liquid separation;

s2, performing oil-water separation on the wastewater obtained after the solid-liquid separation;

s3, adding a flocculating agent into the wastewater obtained after oil-water separation, and precipitating;

s4, introducing the precipitated wastewater into a wastewater treatment device, treating the wastewater to reach the standard, and then discharging the wastewater.

According to the invention, the extrusion type solid-liquid separation box comprises a solid-liquid separation box body 1, the upper end of the solid-liquid separation box body 1 is fixedly connected with a feed hopper 2, an extrusion cavity 14 and a temporary storage cavity 13 are arranged on the inner side of the solid-liquid separation box body 1, one side end of the solid-liquid separation box body 1 is connected with a motor 3, an output shaft of the motor 3 penetrates through the solid-liquid separation box body 1 and is fixedly connected with a rotating shaft 7, an extrusion screw 8 is fixedly connected onto the rotating shaft 7, the extrusion screw 8 is positioned at the extrusion cavity 14, an extrusion hole 6 is arranged at the end part, far away from.

Wherein, motor 3's tip fixedly connected with cutting unit is kept away from to pivot 7, and cutting unit includes fixed disk 9 and cutting piece 10, and 9 one end of fixed disk and 7 fixed connection of pivot, the fixed disk 9 other end are connected with 1 inner wall bearing of solid-liquid separation box, and cutting piece 10 welds in cutting piece 10 side, and motor 3 drive cutting piece 10 cuts solid sediment, realizes slagging tap smoothly.

Wherein, the side end of the solid-liquid separation box body 1 is welded with a fixed seat cover 4, and the fixed seat cover 4 is positioned at the upper side of the extrusion hole 6.

The working principle is as follows: an operator puts garbage which is well crushed into the solid-liquid separation box body 1 from the feeding hopper 2, the motor 3 drives the extruding screw 8 to rotate to extrude the garbage, water in the garbage is extruded out and overflows from the water outlet 5 to the outer side of the solid-liquid separation box body 1, the remaining solid slag is continuously extruded and pushed, and finally extruded from the extruding hole 6, further water draining can be realized in the extruding process of the small hole, and the motor 3 drives the cutting piece 10 to cut the solid slag, so that smooth slag discharging is realized.

Example 2

Referring to fig. 1-4, in the present embodiment, compared with embodiment 1, an output shaft end of a motor 3 is fixedly connected with a scraping member, the scraping member includes a folded fixing rod 11 and a scraping strip 12, the folded fixing rod 11 is fixedly connected with the output shaft end of the motor 3, and the scraping strip 12 is fixedly connected with an end portion of the folded fixing rod 11 far away from the motor 3.

The working principle is as follows: when motor 3 drive crowded material screw 8 rotates extrusion rubbish, partial little solid sediment can spill over from apopore 5 along with waste water, and motor 3 drive scrapes the material part and rotates for scrape the strip 12 and strike off the solid sediment of 1 surface adhesion of solid-liquid separation box, can prevent effectively that apopore 5 from blockking up, improve the solid-liquid separation effect.

It should be further noted that the electrical control method used in this document is automatically controlled by a controller and powered by an external power source, and the control circuit of the controller can be implemented by simple programming by those skilled in the art, which belongs to the common knowledge in the art, and this application mainly serves to protect the mechanical device, so the control method and the circuit connection are not explained in detail in this application.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.