CN219450257U

CN219450257U - Papermaking black liquor concentrator

Info

Publication number: CN219450257U
Application number: CN202320792869.9U
Authority: CN
Inventors: 胡艳君; 徐为; 方喜; 吕雪峰
Original assignee: Huanggang Chenming Pulp Paper Co ltd
Current assignee: Huanggang Chenming Pulp Paper Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-08-01
Anticipated expiration: 2033-04-12

Abstract

The utility model discloses a papermaking black liquor concentrator, which comprises a concentrating box, wherein a cleaning component is arranged in the concentrating box, a feeding pipe is fixedly arranged on the side surface of the concentrating box, an exhaust pipe is fixedly arranged at the top of the concentrating box, a discharge component is arranged at the bottom of the concentrating box, and supporting legs are fixedly arranged at the bottom of the concentrating box; this papermaking black liquor concentrator drives the pivot through the motor and rotates, and the pivot passes through the connecting rod and drives the side scraper blade and rotate, and the side scraper blade removes along the inside wall of concentrate case, can effectively clear up the fixed thing of adhesion on the concentrate case inside wall, falls the bottom of concentrate case after the clearance, still can drive the bottom scraper blade through the pivot rotation and rotate, can strike off and discharge the solid thing of concentrate case bottom in the lump when black liquor is discharged to the solid thing of effective clearance concentrate case inner wall adhesion has been realized.

Description

Papermaking black liquor concentrator

Technical Field

The utility model relates to the technical field of papermaking, in particular to a papermaking black liquor concentrator.

Background

The waste water from the alkaline (caustic soda and sulfate) pulping processes of the paper industry contains a significant amount of lignin and is black brown, and is therefore referred to as black liquor. The black liquor contains a large amount of suspended solids, organic pollutants and toxic substances, and serious pollution is caused by directly discharging the suspended solids, the organic pollutants and the toxic substances into a water body, and a concentrator is generally adopted to concentrate the papermaking black liquor at present.

The papermaking black liquor concentrator disclosed by the search patent publication No. CN212374924U comprises a base provided with a discharge channel and a concentrating box fixedly arranged on the base, wherein the bottom of the concentrating box is provided with a discharge port communicated with a feed inlet of the discharge channel, and the discharge port is provided with a heating type sealing cover positioned in the concentrating box; the concentrating box is internally provided with a rotary driving part fixedly connected with the top of the heating type sealing cover and a telescopic device rotationally connected with the rotary driving part, and the telescopic device is arranged at the top of the concentrating box; the telescopic device stretches to control the sealing state of the heating type sealing cover on the discharge hole, and the rotary driving part rotates the heating type sealing cover by the stretching power of the telescopic device; compared with the prior art, when the discharge port discharges liquid, the heating type sealing cover rotates by the power of the telescopic device, so that centrifugal stirring force is formed in the concentration box, and suspended solids adhered to the inside of the concentration box are greatly reduced;

in view of the above-mentioned problems, the applicant believes that when the heating type sealing cover rotates with the telescopic device as power to generate centrifugal stirring force, the sealing cover can clean the solid adhered inside the concentration tank, but the centrifugal stirring force generated when the sealing cover rotates is not large, and a certain adsorption force exists between the fixed suspended matters and the inner wall of the concentration tank, so that the solid on the inner wall of the concentration tank cannot be cleaned effectively.

To this end, the present utility model provides a papermaking black liquor concentrator to solve the above-mentioned problems.

Disclosure of Invention

The utility model provides a papermaking black liquor concentrator which solves the problems.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the papermaking black liquor concentrator comprises a concentrating box, wherein a cleaning assembly is arranged in the concentrating box, a feeding pipe is fixedly arranged on the side face of the concentrating box, an exhaust pipe is fixedly arranged at the top of the concentrating box, a discharge assembly is arranged at the bottom of the concentrating box, and supporting legs are fixedly arranged at the bottom of the concentrating box;

the cleaning assembly comprises a motor, a rotating shaft, a heating rod, a connecting rod, a side scraping plate and a bottom scraping plate, wherein the rotating shaft is rotationally connected to the inner top wall of the concentrating box, the connecting rod is fixedly arranged on the outer side of the rotating shaft, the side scraping plate is fixedly arranged on the outer side of the connecting rod, and the bottom scraping plate is fixedly arranged on the outer side of the rotating shaft.

Further, the heating rod is fixedly arranged on the inner top wall of the concentrating box, the motor is fixedly arranged on the top of the concentrating box, the output shaft of the motor penetrates through the top wall of the concentrating box and is movably connected with the concentrating box, and the rotating shaft is fixedly connected with the output shaft of the motor.

Through adopting above-mentioned technical scheme, be convenient for drive the pivot through the motor and rotate, evaporate the concentration through the heating rod to inside black liquor.

Further, the side face scraping plate is attached to the inner side wall of the concentration box, the side face scraping plate is an inclined plate, and the bottom scraping plate is attached to the inner bottom wall of the concentration box.

Through adopting above-mentioned technical scheme, be convenient for strike off the solid impurity of concentrate case inner wall adhesion through side, bottom scraper blade.

Further, the inside of the concentration box of inlet pipe, blast pipe all communicates each other.

Through adopting above-mentioned technical scheme, be convenient for carry out the material loading through the inlet pipe, discharge the gaseous exhaust of evaporation through the blast pipe.

Further, the discharge assembly comprises a discharge box, a sealing plate, a communication groove, a first hydraulic rod and a matching groove, wherein the discharge box is fixedly arranged at the bottom of the concentration box, and the communication groove is formed between the discharge box and the concentration box.

Through adopting above-mentioned technical scheme, be convenient for discharge concentrated black liquor to the drain box inside through the intercommunication groove.

Further, the sealing plate is located inside the communicating groove, the first hydraulic rod is fixedly installed inside the discharge box, the sealing plate is fixedly installed at the top of the first hydraulic rod, and the matching groove is formed in the discharge box.

Through adopting above-mentioned technical scheme, be convenient for remove the closing plate through first hydraulic stem, realize discharging black liquor.

Further, the discharge assembly further comprises a discharge hopper, a second hydraulic rod and a push plate, wherein the second hydraulic rod is fixedly arranged in the discharge box, the push plate is fixedly arranged at the output end of the second hydraulic rod, and the discharge hopper is fixedly arranged on the side wall of the discharge box and is communicated with the interior of the discharge box.

Through adopting above-mentioned technical scheme, be convenient for drive the push pedal through the second hydraulic stem and remove, be convenient for realize clearing up the remaining black liquor in closing plate top.

Advantageous effects

The utility model provides a papermaking black liquor concentrator. Compared with the prior art, the method has the following beneficial effects:

1. this papermaking black liquor concentrator drives the pivot through the motor and rotates, and the pivot passes through the connecting rod and drives the side scraper blade and rotate, and the side scraper blade removes along the inside wall of concentrate case, can effectively clear up the fixed thing of adhesion on the concentrate case inside wall, falls the bottom of concentrate case after the clearance, still can drive the bottom scraper blade through the pivot rotation and rotate, can strike off and discharge the solid thing of concentrate case bottom in the lump when black liquor is discharged to the solid thing of effective clearance concentrate case inner wall adhesion has been realized.

2. This papermaking black liquor concentrator, when the black liquor concentration is accomplished discharging, remove the cooperation inslot with the closing plate through first hydraulic stem, transport the black liquor to the discharge incasement portion through the intercommunication groove, discharge through the discharge bucket, discharge efficiently, and after discharging, residual black liquor on the closing plate can be through starting the second hydraulic stem, drive the push pedal and remove, clear up residual black liquor, and can clear up through the push pedal when discharging incasement portion jam.

Drawings

FIG. 1 is a perspective view of the external structure of the present utility model;

FIG. 2 is a perspective view of a cleaning assembly of the present utility model;

FIG. 3 is a partial structural perspective view of the present utility model;

fig. 4 is a schematic view of the discharge assembly of the present utility model.

In the figure 1, a concentration tank; 2. cleaning the assembly; 21. a motor; 22. a rotating shaft; 23. a heating rod; 24. a connecting rod; 25. a side scraper; 26. a bottom scraper; 3. a discharge assembly; 31. a discharge box; 32. a first hydraulic lever; 33. a discharge hopper; 34. a sealing plate; 35. a communication groove; 36. a second hydraulic lever; 37. a push plate; 38. a mating groove; 4. an exhaust pipe; 5. a feed pipe; 6. and (5) supporting legs.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

Referring to fig. 1-4, an embodiment of the present utility model is provided, and the papermaking black liquor concentrator includes a concentrating tank 1, a cleaning component 2 is disposed in the concentrating tank 1, a feeding pipe 5 is fixedly disposed on a side surface of the concentrating tank 1, an exhaust pipe 4 is fixedly disposed on a top of the concentrating tank 1, an exhaust component 3 is disposed at a bottom of the concentrating tank 1, supporting legs 6 are fixedly disposed at a bottom of the concentrating tank 1, the feeding pipe 5 and the exhaust pipe 4 are both communicated with each other in the concentrating tank 1, the exhaust pipe 4 is communicated with a gas filter, and harmful substances in the exhaust gas can be filtered by the gas filter and then discharged;

the cleaning assembly 2 comprises a motor 21, a rotating shaft 22, a heating rod 23, a connecting rod 24, a side scraping plate 25 and a bottom scraping plate 26, wherein the rotating shaft 22 is rotationally connected to the inner top wall of the concentrating box 1, the connecting rod 24 is fixedly arranged on the outer side of the rotating shaft 22, the side scraping plate 25 is fixedly arranged on the outer side of the connecting rod 24, the bottom scraping plate 26 is fixedly arranged on the outer side of the rotating shaft 22, the heating rod 23 is fixedly arranged on the inner top wall of the concentrating box 1, the motor 21 is fixedly arranged on the top of the concentrating box 1, an output shaft of the motor 21 penetrates through the top wall of the concentrating box 1 and is movably connected with the concentrating box 1, the rotating shaft 22 is fixedly connected with the output shaft of the motor 21, the side scraping plate 25 is attached to the inner side wall of the concentrating box 1, the side scraping plate 25 is an inclined plate, and the bottom scraping plate 26 is attached to the inner bottom wall of the concentrating box 1;

in this embodiment, the motor 21 drives the rotating shaft 22 to rotate, the rotating shaft 22 drives the side scraping plate 25 to rotate through the connecting rod 24, the side scraping plate 25 moves along the inner side wall of the concentration tank 1, so that the fixed objects adhered on the inner side wall of the concentration tank 1 can be effectively cleaned, the fixed objects fall to the bottom of the concentration tank 1 after cleaning, the bottom scraping plate 26 can be driven to rotate through the rotation of the rotating shaft 22, and the solid objects at the bottom of the concentration tank 1 can be scraped and discharged together when black liquor is discharged, so that the solid objects adhered on the inner wall of the concentration tank 1 can be effectively cleaned;

the discharging assembly 3 comprises a discharging box 31, a sealing plate 34, a communicating groove 35, a first hydraulic rod 32 and a matching groove 38, wherein the discharging box 31 is fixedly arranged at the bottom of the concentrating box 1, the communicating groove 35 is arranged between the discharging box 31 and the concentrating box 1, the sealing plate 34 is positioned in the communicating groove 35, the first hydraulic rod 32 is fixedly arranged in the discharging box 31, the sealing plate 34 is fixedly arranged at the top of the first hydraulic rod 32, the matching groove 38 is arranged in the discharging box 31, the discharging assembly 3 further comprises a discharging hopper 33, a second hydraulic rod 36 and a push plate 37, the second hydraulic rod 36 is fixedly arranged in the discharging box 31, the push plate 37 is fixedly arranged on the output end of the second hydraulic rod 36, and the discharging hopper 33 is fixedly arranged on the side wall of the discharging box 31 and is communicated with the inside of the discharging box 31;

when the black liquor concentration is completed and discharged, the sealing plate 34 is moved into the matching groove 38 through the first hydraulic rod 32, the black liquor is transported into the discharge box 31 through the communicating groove 35, the black liquor is discharged through the discharge hopper 33, the discharge efficiency is high, after the black liquor is discharged, the residual black liquor remained on the sealing plate 34 can be moved by starting the second hydraulic rod 36 to drive the push plate 37, the residual black liquor is cleaned, and the residual black liquor can be cleaned through the push plate 37 when the inside of the discharge box 31 is blocked.

And all that is not described in detail in this specification is well known to those skilled in the art.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. A papermaking black liquor concentrator, comprising a concentrating tank (1), characterized in that: the device is characterized in that a cleaning assembly (2) is arranged inside the concentrating box (1), a feeding pipe (5) is fixedly arranged on the side face of the concentrating box (1), an exhaust pipe (4) is fixedly arranged at the top of the concentrating box (1), a discharging assembly (3) is arranged at the bottom of the concentrating box (1), and supporting legs (6) are fixedly arranged at the bottom of the concentrating box (1);

the cleaning assembly (2) comprises a motor (21), a rotating shaft (22), a heating rod (23), a connecting rod (24), a side scraping plate (25) and a bottom scraping plate (26), wherein the rotating shaft (22) is rotationally connected to the inner top wall of the concentrating tank (1), the connecting rod (24) is fixedly arranged on the outer side of the rotating shaft (22), the side scraping plate (25) is fixedly arranged on the outer side of the connecting rod (24), and the bottom scraping plate (26) is fixedly arranged on the outer side of the rotating shaft (22).

2. A papermaking black liquor concentrator according to claim 1, wherein: the heating rod (23) is fixedly arranged on the inner top wall of the concentrating box (1), the motor (21) is fixedly arranged on the top of the concentrating box (1), an output shaft of the motor (21) penetrates through the top wall of the concentrating box (1) and is movably connected with the concentrating box (1), and the rotating shaft (22) is fixedly connected with the output shaft of the motor (21).

3. A papermaking black liquor concentrator according to claim 1, wherein: the side scraping plate (25) is attached to the inner side wall of the concentrating box (1), the side scraping plate (25) is an inclined plate, and the bottom scraping plate (26) is attached to the inner bottom wall of the concentrating box (1).

4. A papermaking black liquor concentrator according to claim 1, wherein: the feed pipe (5) and the exhaust pipe (4) are communicated with each other in the concentration box (1).

5. A papermaking black liquor concentrator according to claim 1, wherein: the discharging assembly (3) comprises a discharging box (31), a sealing plate (34), a communicating groove (35), a first hydraulic rod (32) and a matching groove (38), wherein the discharging box (31) is fixedly arranged at the bottom of the concentrating box (1), and the communicating groove (35) is formed between the discharging box (31) and the concentrating box (1).

6. A papermaking black liquor concentrator according to claim 5, wherein: the sealing plate (34) is located in the communicating groove (35), the first hydraulic rod (32) is fixedly installed in the discharging box (31), the sealing plate (34) is fixedly installed at the top of the first hydraulic rod (32), and the matching groove (38) is formed in the discharging box (31).

7. A papermaking black liquor concentrator according to claim 5, wherein: the discharging assembly (3) further comprises a discharging hopper (33), a second hydraulic rod (36) and a pushing plate (37), wherein the second hydraulic rod (36) is fixedly arranged in the discharging box (31), the pushing plate (37) is fixedly arranged at the output end of the second hydraulic rod (36), and the discharging hopper (33) is fixedly arranged on the side wall of the discharging box (31) and is communicated with the inside of the discharging box (31).