CN213112967U - Wastewater pretreatment device for cleaning papermaking process - Google Patents
Wastewater pretreatment device for cleaning papermaking process Download PDFInfo
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- CN213112967U CN213112967U CN202021768960.XU CN202021768960U CN213112967U CN 213112967 U CN213112967 U CN 213112967U CN 202021768960 U CN202021768960 U CN 202021768960U CN 213112967 U CN213112967 U CN 213112967U
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Abstract
The utility model discloses a waste water pretreatment device for cleaning papermaking process, belonging to the technical field of papermaking waste water pretreatment device, comprising a sewage pipe, wherein the bottom pipeline of the sewage pipe is communicated with a sewage pipe A and a sewage pipe B, the middle parts of the pipelines of the sewage pipe A and the sewage pipe B are respectively provided with a sewage valve A and a sewage valve B, a collecting box A and a collecting box B are arranged below the sewage pipe, when the internal filtrate of the collecting box A or the collecting box B needs to be cleaned, the sewage valve A or the sewage valve B at the sewage pipe A or the sewage pipe B can be closed, then the sewage pipe A and the water inlet pipe A of the collecting box A are disassembled, then the water outlet pipe A and the bottom drainage pipe are disassembled, the collecting box A can be taken down for filtering cleaning, and the collecting box B can be disassembled for cleaning the collecting box B according to the treatment mode of the collecting box A during treatment, when the two groups of box bodies are disassembled and cleaned, the normal water filtering operation of the other group of box bodies can be kept.
Description
Technical Field
The utility model relates to a papermaking pretreatment of water device technical field especially relates to a clean papermaking process's pretreatment of water device.
Background
The papermaking wastewater refers to wastewater generated in the pulping and papermaking process. Comprises pulping and cooking waste liquor, washing waste water, bleaching waste water, paper machine white water and the like. The papermaking wastewater has complex components and poor biodegradability, belongs to industrial wastewater which is difficult to treat, and is one of main industrial pollution sources in China.
Patent number CN201620757479.8 discloses a high-concentration high-acidification degree papermaking wastewater pretreatment device, the utility model discloses simple structure, it is with low costs, its jet aerator carry before sewage treatment device at papermaking wastewater, the jet aerator in the equalizing basin carries out aeration treatment to papermaking wastewater. The utility model discloses simple structure provides the processing function of aeration preliminary treatment to papermaking waste water through jet aerator, through jet aerator to the shearing and the efflux effect of air water, make oxygen in the air transfer to in the waste water, improve the dissolved oxygen in the waste water, restrain the hyperplasia of acidizing bacterium, prevent the excessive acidizing of waste water, the new freshness of sewage has been improved, make the waste water homogeneity do benefit to the steady operation of follow-up processing equipment, reduce treatment facility's pressure, it is energy-concerving and environment-protective more to the treatment of the papermaking waste water of flute core paper, the clean environmental protection pollution-free of processing procedure.
1. The suspended matters in the sewage of the existing clean papermaking process are mainly substances such as cellulose lignin and the like, the biodegradability of the lignin and the cellulose is very low, the lignin and the cellulose are hardly degraded in biochemical treatment, and the suspended matters have great influence on the operation of a biochemical reactor after entering the biochemical reactor. Therefore, most suspended matters need to be removed before biochemical treatment so as to ensure smooth follow-up treatment, and when the existing sewage treatment is large, the sewage is directly introduced into a sedimentation tank for sedimentation and then is fished out through mechanical facilities, so that the biochemical reactor is influenced.
2. The sewage pretreatment device for the existing clean papermaking process is mostly provided with a single filtering box body, when materials in the filtering box body are recycled, the materials in the filtering box body can be recycled only by closing a valve body at the source of a sewage pipeline, and the working efficiency of the pretreatment of the papermaking sewage can be influenced by the mode of closing and cleaning the filtering box body.
SUMMERY OF THE UTILITY MODEL
The utility model provides a waste water pretreatment device for cleaning papermaking process, wherein a sewage discharge pipe A and a sewage discharge pipe B are connected with the bottom end of a sewage pipe through pipelines, the middle parts of the sewage discharge pipe A and the sewage discharge pipe B are respectively provided with a sewage valve A and a sewage valve B, papermaking waste water flows into a water inlet pipe A of a collecting box A and a water inlet pipe B of a collecting box B through the sewage pipe A and the sewage discharge pipe B respectively after passing through the sewage pipe, after the sewage flows into the collecting box A and the collecting box B, cellulose suspended solids in the sewage can be retained in the collecting box A and the collecting box B by a filter screen on the surface of a net frame, the sewage in the collecting box A and the collecting box B is respectively discharged to a sewage biochemical sedimentation tank from a water outlet pipe A and a water outlet pipe B, the cellulose suspended solids in the sewage are prevented from directly flowing into a biochemical reactor of the sewage tank to influence the biochemical reaction of the biochemical reactor, the collecting box, when the internal filter of the collecting box A or the collecting box B needs to be cleaned, the sewage valve A or the sewage valve B at the sewage discharge pipe A or the sewage discharge pipe B can be closed, then the sewage discharge pipe A and the water inlet pipe A of the collecting box A are disassembled, then the water outlet pipe A and the bottom water discharge pipe are disassembled, the collecting box A can be taken down for cleaning the filter, the collecting box B can also be disassembled according to the treatment mode of the collecting box A for cleaning the collecting box B, and the normal water filtering operation of the other group of boxes can be kept when the two groups of boxes are disassembled for cleaning, so that the treatment of the papermaking wastewater is not influenced.
The utility model provides a specific technical scheme as follows:
the utility model provides a wastewater pretreatment device for a clean papermaking process, which comprises a sewage pipe, a sewage discharge pipe A and a sewage discharge pipe B are communicated with the bottom pipeline of the sewage pipe, a sewage valve A and a sewage valve B are respectively arranged in the middle of the sewage discharge pipe A and the sewage discharge pipe B, the bottom end of the sewage discharge pipe A below the sewage valve A is detachably connected with a water inlet pipe A, the water inlet pipe A is integrally formed at the top end of the collecting box A, a water outlet pipe A extends out of the bottom end of the collecting box A, a water inlet pipe B is detachably connected with the bottom end of a sewage discharge pipe B below the sewage valve B, the water inlet pipe B is integrally formed at the top end of the collecting box B, the bottom end of the collecting box B extends out of the water outlet pipe B, and the collecting box B and the collecting box A have the same internal structure, the insides of the collecting box B and the collecting box A are detachably connected with a net frame, and the middle part of the net frame is fixedly connected with a filter screen.
Optionally, a supporting table is welded inside the collecting box A and the collecting box B, and a net frame is connected above the supporting table.
Optionally, the surfaces of the collecting box B and the collecting box A are coated with metal antirust paint.
Optionally, the filter screen is a mesh body woven by nylon wire bodies.
The utility model has the advantages as follows:
1. the utility model discloses a there are blow off pipe A and blow off pipe B in the bottom of sewage pipe with pipe connection, sewage valve A and sewage valve B are installed respectively to the body middle part of blow off pipe A and blow off pipe B, papermaking waste water flows in to collecting box A's inlet tube A and collecting box B's inlet tube B respectively by blow off pipe A and blow off pipe B behind the sewage pipe, sewage flows in behind collecting box A and collecting box B, the cellulose suspended solid in the sewage can be detained in collecting box A and collecting box B by the filter screen on net frame surface, and sewage in collecting box A and the collecting box B then is arranged to the biochemical sedimentation tank of sewage from outlet pipe A and outlet pipe B respectively, prevent that the cellulose suspended solid in the sewage from directly flowing into the biochemical reactor of effluent water sump influences the biochemical reaction of biochemical reactor, the waste water preliminary treatment of clean papermaking technology has been realized.
2. The utility model discloses a set up collecting box A and collecting box B in the below of blow off pipe, when collecting box A or collecting box B's inside filtrations need clear up, can close sewage valve A or sewage valve B of blow off pipe A or blow off pipe B department, then dismantle blow off pipe A and collecting box A's inlet tube A, then outlet pipe A dismantles with bottom drainage pipe and come alright take off collecting box A and carry out the filtrations clearance of crossing, and collecting box B also dismantles inlet tube B and outlet pipe B according to collecting box A's treatment mode when handling alright pull off collecting box B and clear up, two sets of boxes are when dismantling the clearance, can keep the normal drainage operation of another set of box, do not influence the processing of papermaking waste water, the incessant high-efficient drainage of clean papermaking technology waste water preprocessing device has been realized.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is an overall structure schematic diagram of a wastewater pretreatment device for a clean papermaking process according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of the collecting box of the wastewater pretreatment device for cleaning the papermaking process.
In the figure: 1. a sewage pipe; 2. a sewage discharge pipe A; 3. a sewage discharge pipe B; 4. a sewage valve A; 5. a sewage valve B; 6. a water inlet pipe A; 7. a collecting box A; 8. a water outlet pipe A; 9. a water inlet pipe B; 10. a collecting box B; 11. a water outlet pipe B; 12. a screen frame; 13. filtering with a screen; 14. and a support table.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The waste water pretreatment device for a clean papermaking process according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.
Referring to fig. 1 and 2, a sewage pretreatment device for a clean papermaking process according to an embodiment of the present invention includes a sewage pipe 1, a sewage pipe a2 and a sewage pipe B3 are communicated with each other at a bottom of the sewage pipe 1, a sewage valve A4 and a sewage valve B5 are respectively installed at middle portions of pipelines of the sewage pipe a2 and the sewage pipe B3, a water inlet pipe A6 is detachably connected to a bottom end of the sewage pipe a2 below the sewage valve A4, the water inlet pipe A6 is integrally formed at a top end of a collection tank A7, a water outlet pipe A8 is extended from a bottom end of the collection tank A7, a water inlet pipe B9 is detachably connected to a bottom end of the sewage pipe B3 below the sewage valve B5, and a water inlet pipe B9 is integrally formed at a top end of the collection tank B10, a water outlet pipe B11 is extended from a bottom end of the collection tank B10, the collection tank B10 and A7 have the same internal structure, a detachable mesh frame 12 is connected to the, and the middle part of the screen frame 12 is fixedly connected with a filter screen 13.
Illustratively, a drain pipe a2 and a drain pipe B3 are connected to the bottom end of the drain pipe 1 through pipes, a drain valve A4 and a drain valve B5 are respectively installed in the middle of the pipe bodies of the drain pipe a2 and the drain pipe B3, the papermaking wastewater passes through the drain pipe 1 and then flows into the inlet pipe A6 of the collection tank A7 and the inlet pipe B9 of the collection tank B10 through the drain pipe a2 and the drain pipe B3, respectively, the wastewater flows into the collection tank A7 and the collection tank B10, the cellulose suspension in the wastewater is trapped in the collection tank A7 and the collection tank B10 by the screen 13 on the surface of the mesh frame 12, the wastewater in the collection tank a 10 and the collection tank B10 is discharged into the wastewater precipitation tank through the outlet pipe A8 and the outlet pipe B9, respectively, so as to prevent the cellulose suspension in the wastewater from directly flowing into the biochemical reactor of the sewage tank and affecting the biochemical reactor, a 5969556 and the collection tank a 5953 or B10 is disposed below the drain pipe 1, the sewage valve A4 or the sewage valve B5 at the sewage discharge pipe A2 or the sewage discharge pipe B3 can be closed, then the sewage discharge pipe A2 and the water inlet pipe A6 of the collecting box A7 are detached, then the water outlet pipe A8 and the bottom water discharge pipe are detached, the collecting box A7 can be taken down for cleaning the filtered substances, the collecting box B10 is detached for cleaning the collecting box B10 by detaching the water inlet pipe B9 and the water outlet pipe B11 according to the treatment mode of the collecting box A7, and the normal water filtering operation of the other box can be kept when the two groups of boxes are detached for cleaning, and the treatment of papermaking wastewater is not influenced.
Referring to fig. 1 and 2, the collection box a7 and the collection box B10 have support bases 14 welded therein, and a net frame 12 is received above the support bases 14.
Illustratively, the support tables 14 within the collection tank a7 and the collection tank B10 support the frame 12.
Referring to fig. 1, the surfaces of the collection tank B10 and the collection tank a7 are coated with metallic rust inhibitive paint.
For example, the metal rust preventive paint forms a protective layer on the surfaces of the collection box a7 and the collection box B10 for rust preventive protection.
Referring to fig. 2, the filter screen 13 is a mesh body woven by nylon thread.
For example, the filter screen 13 woven by nylon wire has better corrosion resistance and longer service life.
The utility model relates to a sewage pretreatment device for cleaning paper making process, the bottom end of a sewage pipe 1 is connected with a sewage pipe A2 and a sewage pipe B3 by pipelines, the middle parts of the sewage pipe A2 and the sewage pipe B3 are respectively provided with a sewage valve A4 and a sewage valve B5, the paper making wastewater respectively flows into an inlet pipe A6 of a collecting box A7 and an inlet pipe B9 of a collecting box B10 by the sewage pipe A2 and the sewage pipe B3 after passing through the sewage pipe 1, after the sewage flows into the collecting box A7 and the collecting box B10, the cellulose suspended solids in the sewage can be intercepted in the collecting box A7 and the collecting box B10 by a filter screen 13 on the surface of a net frame 12, and the sewage in the collecting box A7 and the collecting box B10 is respectively discharged to a sewage biochemical sedimentation tank from an outlet pipe A8 and a B11, the biochemical reaction of the biochemical reactor of the sewage is prevented from being directly flowed into the sewage tank, the biochemical reaction of the biochemical reactor is influenced, a collecting box A7 and a collecting, when the filter in the collection box A7 or the collection box B10 needs to be cleaned, the sewage valve A4 or the sewage valve B5 at the sewage pipe A2 or the sewage pipe B3 can be closed, then the sewage pipe A2 is detached from the water inlet pipe A6 of the collection box A7, then the water outlet pipe A8 is detached from the bottom water discharge pipe, the collection box A7 can be taken down for cleaning the filter, while the collection box B10 also detaches the water inlet pipe B9 and the water outlet pipe B11 according to the treatment mode of the collection box A7 during treatment, the collection box B10 can be detached for cleaning, and when the two groups of boxes are detached for cleaning, the normal water filtering operation of the other group of boxes can be maintained, and the treatment of the papermaking wastewater is not affected.
It should be noted that the utility model relates to a clean papermaking technology's useless pretreatment of water device, including sewage pipe 1, sewage pipe A2, sewage pipe B3, sewage valve A4, sewage valve B5, inlet tube A6, collecting box A7, outlet pipe A8, inlet tube B9, collecting box B10, outlet pipe B11, net frame 12, filter screen 13, brace table 14, the part is the part that general standard component or technical personnel in the art know, its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical personnel.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (4)
1. A clean papermaking technology's useless pretreatment of water device, includes sewage pipe (1), its characterized in that: the bottom pipeline of the sewage pipe (1) is communicated with a sewage pipe A (2) and a sewage pipe B (3), the middle parts of the sewage pipe A (2) and the sewage pipe B (3) are respectively provided with a sewage valve A (4) and a sewage valve B (5), the bottom end of the sewage pipe A (2) below the sewage valve A (4) is detachably connected with a water inlet pipe A (6), the water inlet pipe A (6) is integrally formed at the top end of a collecting box A (7), a water outlet pipe A (8) extends out of the bottom end of the collecting box A (7), the bottom end of the sewage pipe B (3) below the sewage valve B (5) is detachably connected with a water inlet pipe B (9), the water inlet pipe B (9) is integrally formed at the top end of a collecting box B (10), a water outlet pipe B (11) extends out of the bottom end of the collecting box B (10), and the internal structures of the collecting box B (10) and the collecting, the inside of collecting box B (10) and collecting box A (7) can be dismantled and be connected with net frame (12), and the middle part fixedly connected with filter screen (13) of net frame (12).
2. The apparatus for pretreating wastewater for cleaning a papermaking process according to claim 1, wherein: a supporting table (14) is welded inside the collecting box A (7) and the collecting box B (10), and a net frame (12) is received above the supporting table (14).
3. The apparatus for pretreating wastewater for cleaning a papermaking process according to claim 1, wherein: and the surfaces of the collecting box B (10) and the collecting box A (7) are coated with metal antirust paint.
4. The apparatus for pretreating wastewater for cleaning a papermaking process according to claim 1, wherein: the filter screen (13) is a screen body formed by weaving nylon wire bodies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021768960.XU CN213112967U (en) | 2020-08-22 | 2020-08-22 | Wastewater pretreatment device for cleaning papermaking process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021768960.XU CN213112967U (en) | 2020-08-22 | 2020-08-22 | Wastewater pretreatment device for cleaning papermaking process |
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| Publication Number | Publication Date |
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| CN213112967U true CN213112967U (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021768960.XU Active CN213112967U (en) | 2020-08-22 | 2020-08-22 | Wastewater pretreatment device for cleaning papermaking process |
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| CN (1) | CN213112967U (en) |
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