CN219709151U - Papermaking black liquor treatment and recycling device - Google Patents
Papermaking black liquor treatment and recycling device Download PDFInfo
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- CN219709151U CN219709151U CN202321056042.8U CN202321056042U CN219709151U CN 219709151 U CN219709151 U CN 219709151U CN 202321056042 U CN202321056042 U CN 202321056042U CN 219709151 U CN219709151 U CN 219709151U
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- black liquor
- discharge
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- 238000004064 recycling Methods 0.000 title claims abstract description 16
- 238000000605 extraction Methods 0.000 claims abstract description 108
- 229920005610 lignin Polymers 0.000 claims abstract description 30
- 238000003756 stirring Methods 0.000 claims abstract description 25
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000007787 solid Substances 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 abstract description 2
- 239000003814 drug Substances 0.000 description 7
- 230000029058 respiratory gaseous exchange Effects 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
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- Extraction Or Liquid Replacement (AREA)
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Abstract
The utility model relates to the technical field of sewage treatment, and provides a papermaking black liquor treatment and recycling device which is convenient for separating lignin with heavy solids and recycling the lignin, reduces the waste of the lignin, and comprises a primary extraction box, wherein the bottom end of the primary extraction box is connected with a secondary extraction box, and the device further comprises: the device comprises a primary extraction mechanism, a secondary extraction mechanism and a discharge mechanism, wherein the primary extraction mechanism is arranged on a primary extraction box, and the secondary extraction mechanism is arranged on a secondary extraction box and is used for further extracting lignin in papermaking black liquor; the discharging mechanism is arranged on the secondary extracting box and used for outputting and discharging the lignin extracted and separated, the primary extracting mechanism comprises a first motor, the first motor is arranged on the primary extracting box, the output end of the first motor is connected with a stirring paddle through a driving wheel and a driving belt, the stirring paddle is rotationally connected in the primary extracting box, and a heating wire is arranged in the stirring paddle.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a papermaking black liquor treatment and recycling device.
Background
In China, the total amount of the papermaking wastewater is inferior to that of metallurgical wastewater and petrochemical wastewater, the environmental pollution problem of the papermaking wastewater is serious, wherein the pollutant in the papermaking black liquor accounts for about 90% of the total amount of the pollutant in the papermaking wastewater, and the black liquor contains a large amount of suspended solids, organic pollutants and toxic substances, and is directly discharged into a water body to cause serious pollution and needs to be treated.
In the papermaking black liquor treatment technology, the Chinese patent publication No. CN201056657Y is searched, the solid in the black liquor is separated from water, the separated solid is directly combusted, so that zero pollution emission is achieved to water, and lignin contained in the separated solid is directly combusted, so that great waste is easily caused, and therefore, the papermaking black liquor treatment and recycling device capable of treating and recycling lignin in the papermaking black liquor is provided.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a papermaking black liquor treatment and recycling device, which is convenient for separating lignin with heavy solids and recycling the lignin, thereby reducing the waste of the lignin.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a papermaking black liquor treatment recycling device, includes preliminary extraction case, the bottom fixedly connected with secondary extraction case of preliminary extraction case still includes: the device comprises a primary extraction mechanism, a secondary extraction mechanism and a discharge mechanism, wherein the primary extraction mechanism is arranged on a primary extraction box and is used for primarily extracting lignin in papermaking black liquor. The secondary extraction mechanism is arranged on the secondary extraction box and is used for further extracting lignin in the papermaking black liquor. The discharging mechanism is arranged on the secondary extraction box and is used for outputting and discharging the extracted and separated lignin.
In order to perform preliminary extraction on lignin in papermaking black liquor, preferably, the preliminary extraction mechanism comprises a first motor, the first motor is installed on a preliminary extraction box, the output end of the first motor is connected with a stirring paddle through a driving wheel and a driving belt, the stirring paddle is rotatably connected in the preliminary extraction box, and a heating wire is arranged in the stirring paddle;
the utility model discloses a suction pipe, including preliminary extraction case, first motor, second motor, preliminary extraction case is last sliding connection has the breathing pipe, fixedly connected with toothed belt on the breathing pipe, preliminary extraction case is last to install the second motor, the output fixedly connected with of second motor rotates the gear, rotates gear and toothed belt meshing, preliminary extraction is last to install the water pump, the input of water pump with the intercommunication has the conveyer pipe between the breathing pipe, through the downcomer intercommunication between the output of water pump and the secondary extraction case.
In order to further extract lignin in papermaking black liquor, further, the secondary extraction mechanism comprises a third motor, the third motor is installed on a secondary extraction box, the output end of the third motor penetrates through the secondary extraction box and is connected with a stirring frame, and a blanking mechanism for blanking the primarily extracted black liquor is installed on the secondary extraction box.
In order to discharge the lignin that separates out and collect, still further, emission mechanism includes emission case, emission case fixed connection secondary draws the bottom of case, emission incasement fixedly connected with filter, install the fourth motor on the emission case, the output of fourth motor runs through emission case and filter and fixedly connected with discharge rod, the discharge opening has been seted up on the emission case.
In order to control the black liquor after further extracting enter into the discharge box, as a further scheme of the scheme, the discharging mechanism comprises a first electric cylinder, the first electric cylinder is installed on the secondary extraction box, the output end of the first electric cylinder penetrates through the secondary extraction box and is fixedly connected with a discharging rod, the bottom end of the discharging rod is fixedly connected with a sealing block, a through hole is formed between the secondary extraction box and the discharge box, and the sealing block is arranged at the through hole.
In order to stably support the device, as a further scheme of the scheme, the bottom end of the discharge box is fixedly connected with a plurality of supporting legs.
(III) beneficial effects
Compared with the prior art, the utility model provides a papermaking black liquor treatment and recycling device, which has the following beneficial effects:
when lignin in the solid separated from the papermaking black liquor is extracted, the papermaking black liquor and the medicament are heated and stirred through the primary extraction mechanism, so that the lignin in the papermaking black liquor is primarily extracted, the papermaking black liquor is further filtered through the secondary extraction mechanism arranged on the secondary extraction box, and the extracted lignin is discharged through the discharge mechanism arranged on the secondary extraction box.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional perspective view of the present utility model;
FIG. 3 is a schematic view of a part of a blanking mechanism in a three-dimensional structure;
fig. 4 is a schematic view of a partial enlarged structure at a in fig. 1 according to the present utility model.
In the figure:
1. a preliminary extraction box; 2. a secondary extraction tank;
100. a preliminary extraction mechanism; 101. a first motor; 102. a driving wheel; 103. a transmission belt; 104. stirring paddles; 105. a heating wire; 106. an air suction pipe; 107. a toothed belt; 108. a second motor; 109. rotating the gear; 110. a water pump; 111. a delivery tube;
200. a secondary extraction mechanism; 201. a third motor; 202. a stirring rack;
300. a discharge mechanism; 301. a discharge tank; 302. a filter plate; 303. a fourth motor; 304. a discharge rod;
400. a blanking mechanism; 401. a first electric cylinder; 402. a blanking rod; 403. and a sealing block.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a papermaking black liquor treatment and recycling device includes a primary extraction tank 1, a secondary extraction tank 2 fixedly connected to the bottom end of the primary extraction tank 1, and further includes: a primary extraction mechanism 100, a secondary extraction mechanism 200 and a discharge mechanism 300, wherein the primary extraction mechanism 100 is arranged on the primary extraction box 1 and is used for carrying out primary extraction on lignin in papermaking black liquor; the secondary extraction mechanism 200 is installed on the secondary extraction box 2 and is used for further extracting lignin in the papermaking black liquor; a discharging mechanism 300 is provided on the secondary extraction tank 2 for discharging the extracted lignin.
The primary extraction mechanism 100 comprises a first motor 101, the first motor 101 is arranged on the primary extraction box 1, the output end of the first motor 101 is in transmission connection with a stirring paddle 104 through a transmission wheel 102 and a transmission belt 103, the stirring paddle 104 is in rotary connection in the primary extraction box 1, and a heating wire 105 is arranged in the stirring paddle 104;
wherein, sliding connection has breathing pipe 106 on the preliminary extraction case 1, fixedly connected with tooth area 107 on the breathing pipe 106, install second motor 108 on the preliminary extraction case 1, the output fixedly connected with rotation gear 109 of second motor 108, rotation gear 109 and tooth area 107 meshing, install water pump 110 on the preliminary extraction case 1, the intercommunication has conveyer pipe 111 between the input of water pump 110 and the breathing pipe 106, through the downcomer intercommunication between the output of water pump 110 and the secondary extraction case 2, drive stirring rake 104 through the first motor 101 of installing on the preliminary extraction case 1 and rotate, and heat through the heater strip 105 that sets up in the stirring rake 104, thereby heat black liquor and medicament and stir, thereby carry out preliminary extraction to lignin in the black liquor, after the extraction through water pump 110 and breathing pipe 106 with the liquid that floats after the layering absorb and carry into the secondary extraction case 2.
Wherein, secondary extraction mechanism 200 includes third motor 201, and third motor 201 installs on secondary extraction case 2, and the output of third motor 201 runs through secondary extraction case 2 and is connected with stirring frame 202, installs the unloading mechanism 400 that is used for carrying out the unloading to the black liquor after the preliminary extraction on the secondary extraction case 2, drives stirring frame 202 through the third motor 201 of installing on the secondary extraction case 2 and rotates to add the liquid that preliminary draws out in the black liquor into the medicament and carry out further extraction.
Wherein, discharge mechanism 300 includes discharge case 301, discharge case 301's bottom fixedly connected with a plurality of supporting legs to be convenient for carry out stable support to the device, discharge case 301 fixed connection secondary draws the bottom of case 2, discharge case 301 internal fixation has filter 302, install fourth motor 303 on the discharge case 301, the output of fourth motor 303 runs through discharge case 301 and filter 302 and fixedly connected with discharge rod 304, the discharge mouth has been seted up on the discharge case 301, drive the lignin that filters out on the filter 302 through the fourth motor 303 of installing on the discharge case 301 and discharge rod 304.
Further, the blanking mechanism 400 comprises a first electric cylinder 401, the first electric cylinder 401 is installed on the secondary extraction box 2, the output end of the first electric cylinder 401 penetrates through the secondary extraction box 2 and is fixedly connected with a blanking rod 402, the bottom end of the blanking rod 402 is fixedly connected with a sealing block 403, a through hole is formed between the secondary extraction box 2 and the discharge box 301, the sealing block 403 is arranged at the through hole, and the blanking rod 402 and the sealing block 403 are driven by the first electric cylinder 401 installed on the secondary extraction mechanism 200 to control the through hole to perform blanking on the primarily filtered black liquor.
To sum up, when the papermaking black liquor treatment recycling device is used, papermaking black liquor and a medicament are added into the primary extraction box 1 together, the stirring paddle 104 is driven to rotate by the first motor 101 arranged on the primary extraction box 1, and the heating wire 105 arranged in the stirring paddle 104 is used for heating and stirring the black liquor and the medicament, so that lignin in the black liquor is primarily extracted, the liquid which floats after layering is extracted by the water pump 110 and the air suction pipe 106 and is conveyed into the secondary extraction box 2, another medicament is added into the secondary extraction box 2, the stirring frame 202 is driven to rotate by the third motor 201 arranged on the secondary extraction box 2, the medicament is further extracted by the liquid which is primarily extracted into the black liquor, the lignin is discharged onto the filter plate 302 by the blanking mechanism 400 after extraction, and the discharging rod 304 is driven to rotate by the fourth motor 303 arranged on the discharging box 301, so that lignin at the filtering position on the filter plate 302 is cleaned and discharged.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a papermaking black liquor treatment recycling device, includes preliminary extraction case (1), the bottom fixedly connected with secondary extraction case (2) of preliminary extraction case (1), its characterized in that still includes:
the device comprises a preliminary extraction mechanism (100), wherein the preliminary extraction mechanism (100) is arranged on a preliminary extraction box (1) and is used for carrying out preliminary extraction on lignin in papermaking black liquor, the preliminary extraction mechanism (100) comprises a first motor (101), the first motor (101) is arranged on the preliminary extraction box (1), the output end of the first motor (101) is in transmission connection with a stirring paddle (104) through a transmission wheel (102) and a transmission belt (103), the stirring paddle (104) is in rotary connection in the preliminary extraction box (1), and a heating wire (105) is arranged in the stirring paddle (104);
the device is characterized in that an air suction pipe (106) is connected to the primary extraction box (1) in a sliding manner, a toothed belt (107) is fixedly connected to the air suction pipe (106), a second motor (108) is installed on the primary extraction box (1), a rotating gear (109) is fixedly connected to the output end of the second motor (108), the rotating gear (109) is meshed with the toothed belt (107), a water pump (110) is installed on the primary extraction box (1), a conveying pipe (111) is communicated between the input end of the water pump (110) and the air suction pipe (106), and the output end of the water pump (110) is communicated with the secondary extraction box (2) through a sewer pipe;
the secondary extraction mechanism (200), the secondary extraction mechanism (200) is installed on the secondary extraction box (2) and is used for further extracting lignin in papermaking black liquor, the secondary extraction mechanism (200) comprises a third motor (201), the third motor (201) is installed on the secondary extraction box (2), the output end of the third motor (201) penetrates through the secondary extraction box (2) and is connected with a stirring frame (202), and a blanking mechanism (400) for blanking the primarily extracted black liquor is installed on the secondary extraction box (2);
and the discharging mechanism (300) is arranged on the secondary extraction box (2) and is used for outputting and discharging the extracted and separated lignin.
2. The papermaking black liquor treatment and recycling device according to claim 1, wherein the discharge mechanism (300) comprises a discharge box (301), the discharge box (301) is fixedly connected with the bottom end of the secondary extraction box (2), a filter plate (302) is fixedly connected in the discharge box (301), a fourth motor (303) is mounted on the discharge box (301), the output end of the fourth motor (303) penetrates through the discharge box (301) and the filter plate (302) and is fixedly connected with a discharge rod (304), and a discharge port is formed in the discharge box (301).
3. The papermaking black liquor treatment and recycling device according to claim 2, wherein the blanking mechanism (400) comprises a first electric cylinder (401), the first electric cylinder (401) is installed on the secondary extraction tank (2), an output end of the first electric cylinder (401) penetrates through the secondary extraction tank (2) and is fixedly connected with a blanking rod (402), a sealing block (403) is fixedly connected with the bottom end of the blanking rod (402), and a through hole is formed between the secondary extraction tank (2) and the discharge tank (301), and the sealing block (403) is arranged at the through hole.
4. A papermaking black liquor treatment and reuse device according to claim 3, characterized in that the bottom end of the discharge tank (301) is fixedly connected with a plurality of support legs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321056042.8U CN219709151U (en) | 2023-05-06 | 2023-05-06 | Papermaking black liquor treatment and recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321056042.8U CN219709151U (en) | 2023-05-06 | 2023-05-06 | Papermaking black liquor treatment and recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219709151U true CN219709151U (en) | 2023-09-19 |
Family
ID=87998185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321056042.8U Active CN219709151U (en) | 2023-05-06 | 2023-05-06 | Papermaking black liquor treatment and recycling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219709151U (en) |
-
2023
- 2023-05-06 CN CN202321056042.8U patent/CN219709151U/en active Active
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