A multi-stage filtration water recycling device for cleaning papermaking

Abstract

The utility model provides a kind of for cleaning papermaking multistage filtering water circulating device, belong to clean papermaking technical field, including water circulating mechanism, including water storage bucket, first communicating pipe connected in water storage bucket inside, multistage filtering cylinder for carrying out multistage filtration to water, second connecting pipe connected in multistage filtering cylinder water outlet, for circulating use to water circulation pump;Cleaning mechanism, including for backwashing component for backwashing multistage filtering cylinder, and for the energy recovery component of the flow of backwashing water can be collected.The utility model is matched between backwashing component and energy recovery component, realizes the backwashing and kinetic energy recovery of multistage filtering cylinder, solves the problem that traditional water circulating device lacks backwashing function and needs to frequently dismount cleaning multistage filtering cylinder, to improve cleaning efficiency further, and recycling kinetic energy in backwashing process, to enhance overall energy utilization.

Description

Technical Field

[0001] This utility model belongs to the field of clean papermaking technology, specifically relating to a multi-stage filtration water circulation device for clean papermaking. Background Technology

[0002] Clean papermaking refers to a sustainable papermaking method that reduces pollution and energy consumption through environmentally friendly processes and technologies. Its core lies in employing a closed-loop water recycling system, utilizing multi-stage filtration and recycling devices to deeply treat wastewater, removing suspended solids, chemical residues, and other pollutants, enabling water resource reuse and significantly reducing wastewater discharge. Simultaneously, this technology combines clean raw materials (such as recycled fibers) with green chemicals to reduce pollution at the source, achieving low-carbon production processes and efficient resource recycling, thus driving the papermaking industry towards an environmentally friendly transformation. The efficient operation of the multi-stage filtration device is a key element in ensuring stable water quality and improving recycling rates.

[0003] Traditional water circulation devices require disassembly and cleaning of multi-stage filter cartridges after long-term use. However, this method is inefficient and affects the normal operation of the device. To address this, some water circulation devices use backwashing technology to clean multi-stage filter cartridges, avoiding the problem of frequent disassembly. However, most existing backwashing devices lack kinetic energy recovery functions, resulting in the energy generated during the rinsing process not being effectively utilized, thus reducing the overall energy utilization rate. Utility Model Content

[0004] The purpose of this invention is to provide a multi-stage filtration water circulation device for cleaning papermaking, aiming to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A multi-stage filtration and water circulation device for cleaning papermaking includes,

[0007] The water circulation mechanism includes a water storage tank, a first connecting pipe connected to the inside of the water storage tank, a multi-stage filter cylinder for multi-stage filtration of water, a second connecting pipe connected to the outlet of the multi-stage filter cylinder, a circulation pump for circulating water, an outlet pipe connected to the output end of the circulation pump, and a return pipe connected to the top of the water storage tank for water return.

[0008] The cleaning mechanism includes a backwashing component for backwashing the multi-stage filter cartridges and an energy recovery component for collecting the kinetic energy of the backwash water.

[0009] As a preferred embodiment of this utility model, the surfaces of the first connecting pipe, the second connecting pipe, and the outlet pipe are respectively fitted with shut-off valves.

[0010] As a preferred embodiment of this utility model, the backwashing component is connected to a water inlet pipe inside the water storage tank, a first control valve adapted to be installed on the surface of the water inlet pipe, a bend pipe connected to the output end of the circulation pump, and a second control valve and a third control valve adapted to be installed on the surface of the bend pipe.

[0011] In a preferred embodiment of this utility model, the second control valve is installed near the output end of the circulating pump, and the third control valve is installed near the second connecting pipe.

[0012] In a preferred embodiment of this utility model, the ends of the water inlet pipe and the bend pipe connected to the second connecting pipe are respectively located on both sides of the shut-off valve. The end of the water inlet pipe is close to the circulating pump, and the end of the bend pipe is close to the multi-stage filter cartridge.

[0013] As a preferred embodiment of this utility model, the energy recovery component includes a drain pipe connected to the surface of the first connecting pipe, a fourth control valve adapted to be installed on the surface of the drain pipe, a hydraulic worm gear housing connected to the end of the drain pipe, and a generator fixedly installed on the top of the hydraulic worm gear housing and generating electricity using the hydraulic worm gear housing.

[0014] In a preferred embodiment of this utility model, the end of the drain pipe connected to the first connecting pipe is located between the shut-off valve and the multi-stage filter cartridge.

[0015] Compared with the prior art, the beneficial effects of this utility model are: by cooperating with the backwashing component and the energy recovery component, backwashing and kinetic energy recovery of the multi-stage filter cartridges are realized, which solves the problem that traditional water circulation devices need to be frequently disassembled and cleaned due to the lack of backwashing function, thereby improving cleaning efficiency and recovering and utilizing the kinetic energy in the backwashing process, thereby improving the overall energy utilization rate. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the water circulation mechanism of this utility model;

[0019] Figure 3 This is a schematic diagram of the backwashing component of this utility model;

[0020] Figure 4This is a schematic diagram of the energy recovery component of this utility model.

[0021] In the diagram: 100, water circulation mechanism; 110, water storage tank; 120, first connecting pipe; 130, multi-stage filter cartridge; 140, second connecting pipe; 150, circulation pump; 160, outlet pipe; 170, return pipe; 200, cleaning mechanism; 210, backwashing component; 211, water inlet pipe; 212, first control valve; 213, bend; 214, second control valve; 215, third control valve; 220, energy recovery component; 221, drain pipe; 222, fourth control valve; 223, hydraulic worm gear housing; 224, generator. Detailed Implementation

[0022] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0025] Example

[0026] Reference Figure 1-4 This embodiment of the present invention provides a multi-stage filtration water circulation device for cleaning papermaking, comprising:

[0027] The water circulation mechanism 100 includes a water storage tank 110, a first connecting pipe 120 connected to the inside of the water storage tank 110, a multi-stage filter cylinder 130 for multi-stage filtration of water, a second connecting pipe 140 connected to the outlet of the multi-stage filter cylinder 130, a circulation pump 150 for circulating water, an outlet pipe 160 connected to the output end of the circulation pump 150, and a return pipe 170 connected to the top of the water storage tank 110 for water return.

[0028] The cleaning mechanism 200 includes a backwashing component 210 for backwashing the multi-stage filter cartridge 130 and an energy recovery component 220 for collecting the kinetic energy of the backwash water.

[0029] The backwashing component 210 and the energy recovery component 220 work together to achieve backwashing and kinetic energy recovery of the multi-stage filter cartridge 130. This solves the problem that traditional water circulation devices need to frequently disassemble and clean the multi-stage filter cartridge 130 due to the lack of backwashing function, thereby improving cleaning efficiency and recovering and utilizing the kinetic energy in the backwashing process, thus improving the overall energy utilization rate.

[0030] Specifically, relevant shut-off valves are respectively fitted onto the surfaces of the first connecting pipe 120, the second connecting pipe 140, and the outlet pipe 160.

[0031] Furthermore, the backwashing component 210 is connected to a water inlet pipe 211 inside the water storage tank 110, a first control valve 212 adapted to be installed on the surface of the water inlet pipe 211, a bend pipe 213 connected to the output end of the circulation pump 150, and a second control valve 214 and a third control valve 215 adapted to be installed on the surface of the bend pipe 213.

[0032] Preferably, the second control valve 214 is installed near the output end of the circulating pump 150, and the third control valve 215 is installed near the second connecting pipe 140.

[0033] Furthermore, the ends of the water inlet pipe 211 and the bend pipe 213 connected to the second connecting pipe 140 are located on both sides of the shut-off valve, with the end of the water inlet pipe 211 close to the circulating pump 150 and the end of the bend pipe 213 close to the multi-stage filter cartridge 130.

[0034] Specifically, the energy recovery component 220 includes a drain pipe 221 connected to the surface of the first connecting pipe 120, a fourth control valve 222 adapted to be installed on the surface of the drain pipe 221, a hydraulic worm gear housing 223 connected to the end of the drain pipe 221, and a generator 224 fixedly installed on the top of the hydraulic worm gear housing 223 and generating electricity using the hydraulic worm gear housing 223.

[0035] The backwash liquid flows out through the drain pipe 221. When the liquid flows through the inside of the hydraulic worm gear housing 223, the flow of the liquid causes the impeller inside the hydraulic worm gear housing 223 to rotate. The impeller drives the shaft to rotate, and the shaft drives the wheel of the generator 224 to rotate. Thus, the generator 224 can generate electricity using the shock-resistant kinetic energy, thereby improving the energy recovery efficiency.

[0036] Furthermore, the end of the drain pipe 221 connected to the first connecting pipe 120 is located between the shut-off valve and the multi-stage filter cartridge 130.

[0037] When backwashing the multi-stage filter cartridge 130 during use, first close all the shut-off valves, and open the first control valve 212, the second control valve 214, the third control valve 215 and the fourth control valve 222. The circulation pump 150 will pump the liquid inside the water storage tank 110 out through the water inlet pipe 211. The liquid enters the interior of the multi-stage filter cartridge 130 through the bend pipe 213 to backwash the interior of the multi-stage filter cartridge 130. The backwashed liquid is then discharged through the drain pipe 221.

[0038] The backwash liquid flows out through the drain pipe 221. When the liquid flows through the inside of the hydraulic worm gear housing 223, the flow of the liquid causes the impeller inside the hydraulic worm gear housing 223 to rotate. The impeller drives the shaft to rotate, and the shaft drives the wheel of the generator 224 to rotate. Thus, the generator 224 can generate electricity using the shock-resistant kinetic energy.

[0039] In summary, by cooperating with the backwashing component 210 and the energy recovery component 220, backwashing and kinetic energy recovery of the multi-stage filter cartridge 130 are achieved, solving the problem that traditional water circulation devices need to frequently disassemble and clean the multi-stage filter cartridge 130 due to the lack of backwashing function. This improves cleaning efficiency and recovers and utilizes the kinetic energy in the backwashing process, thereby enhancing the overall energy utilization rate.

[0040] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0041] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0042] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0043] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A multi-stage filtration and water circulation device for cleaning papermaking, characterized in that: include, The water circulation mechanism (100) includes a water storage tank (110), a first connecting pipe (120) connected to the inside of the water storage tank (110), a multi-stage filter cartridge (130) for multi-stage filtration of water, a second connecting pipe (140) connected to the outlet of the multi-stage filter cartridge (130), a circulation pump (150) for circulating water, an outlet pipe (160) connected to the output end of the circulation pump (150), and a return pipe (170) connected to the top of the water storage tank (110) for water return. The cleaning mechanism (200) includes a backwashing component (210) for backwashing the multi-stage filter cartridge (130) and an energy recovery component (220) for collecting the kinetic energy of the backwash water.

2. The multi-stage filtration water circulation device for cleaning papermaking according to claim 1, characterized in that: The surfaces of the first connecting pipe (120), the second connecting pipe (140), and the outlet pipe (160) are respectively fitted with shut-off valves.

3. A multi-stage filtration water circulation device for cleaning papermaking according to claim 2, characterized in that: The backwashing component (210) is connected to a water inlet pipe (211) inside the water storage tank (110), a first control valve (212) adapted to be installed on the surface of the water inlet pipe (211), a bend pipe (213) connected to the output end of the circulation pump (150), and a second control valve (214) and a third control valve (215) adapted to be installed on the surface of the bend pipe (213).

4. A multi-stage filtration water circulation device for cleaning papermaking according to claim 3, characterized in that: The second control valve (214) is installed near the output end of the circulating pump (150), and the third control valve (215) is installed near the second connecting pipe (140).

5. A multi-stage filtration water circulation device for cleaning papermaking according to claim 4, characterized in that: The ends of the water inlet pipe (211) and the bend pipe (213) connected to the second connecting pipe (140) are located on both sides of the shut-off valve. The end of the water inlet pipe (211) is close to the circulating pump (150), and the end of the bend pipe (213) is close to the multi-stage filter cartridge (130).

6. A multi-stage filtration water circulation device for cleaning papermaking according to claim 5, characterized in that: The energy recovery component (220) includes a drain pipe (221) connected to the surface of the first connecting pipe (120), a fourth control valve (222) adapted to be installed on the surface of the drain pipe (221), a hydraulic worm gear housing (223) connected to the end of the drain pipe (221), and a generator (224) fixedly installed on the top of the hydraulic worm gear housing (223) and generating electricity using the hydraulic worm gear housing (223).

7. A multi-stage filtration water circulation device for cleaning papermaking according to claim 6, characterized in that: The drain pipe (221) is connected to the end of the first connecting pipe (120) between the shut-off valve and the multi-stage filter cartridge (130).

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