CN112227107A - Low thick scummer tailings processing apparatus - Google Patents
Low thick scummer tailings processing apparatus Download PDFInfo
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- CN112227107A CN112227107A CN202011213706.8A CN202011213706A CN112227107A CN 112227107 A CN112227107 A CN 112227107A CN 202011213706 A CN202011213706 A CN 202011213706A CN 112227107 A CN112227107 A CN 112227107A
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- slag
- pipe
- water
- collecting chamber
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/02—Straining or screening the pulp
Abstract
The invention provides a tailing treatment device of a low-concentration slag remover, which comprises a slag removing tank, a slag collecting chamber and a sand-water separator. The first end of the slag removing tank is of a cylindrical structure, and the second end of the slag removing tank is of a conical structure. The circumferential side wall of the first end of the deslagging tank is provided with a feeding pipe connected with the tangent line of the deslagging tank, and the central shaft of the feeding pipe is perpendicular to the central shaft of the deslagging tank and the vertical distance between the central shafts is greater than zero. The end surface of the first end of the slag removing tank is provided with a good pulp discharging pipe which is coaxial with the slag removing tank. The first end of the slag collecting chamber is communicated with one end, far away from the cylindrical structure, of the conical structure through a first connecting pipe, and a first switch valve is arranged between the first connecting pipe and the slag collecting chamber. The second end of the slag collecting chamber is communicated with an inlet of the sand-water separator through a second connecting pipe, and a second switch valve is arranged between the second connecting pipe and the slag collecting chamber. So set up, low dense scummer tailings treatment facility's simple structure, convenient to use to the impurity that produces can discharge through sand-water separator, need not artifical clearance, convenience simple to use.
Description
Technical Field
The invention relates to the technical field of papermaking and pulping, in particular to a tailing treatment device of a low-concentration slag remover.
Background
At present, the process of making corrugated paper with waste paper mainly includes the procedures of disintegrating, deslagging, screening and concentrating, in which the water consumption is the largest and is used for deslagging device. In order to improve the purification efficiency and reduce the fiber loss, four to five sections of slag removers are generally arranged in series, and tailings discharged from a tail end slag remover are treated by a belt thickener or a screw press. It mainly has the mechanism complicacy with high costs to the fine sand of discharge is accumulated in the ditch and needs manual cleaning intensity of labour scheduling problem greatly. Therefore, the technical problem to be solved by those skilled in the art is how to solve the problems that the mechanism for processing the tailings of the low-concentration slag separator by using a belt thickener or a screw press in the prior art is complicated and high in cost, and the discharged fine sand is accumulated in a ditch and needs to be manually cleaned.
Disclosure of Invention
The invention aims to provide a low-concentration slag remover tailings treatment device which is simple in structure, low in cost and free of manual fine sand cleaning.
In order to solve the problems, the invention provides a tailing treatment device of a low-concentration slag remover, which comprises a slag removing tank, a slag collecting chamber and a sand-water separator, wherein the first end of the slag removing tank is of a cylindrical structure, the second end of the slag removing tank is of a conical structure, the size of the cross section of the conical structure is gradually reduced in the direction from the first end to the second end, a feeding pipe connected with the slag removing tank in a tangent way is arranged on the circumferential side wall of the first end of the slag removing tank, the end surface of the first end of the slag removing tank is provided with a good pulp discharging pipe which is coaxial with the slag removing tank, the first end of the slag collecting chamber is communicated with one end of the conical structure far away from the cylindrical structure through a first connecting pipe, a first switch valve is arranged between the first connecting pipe and the slag collecting chamber, the second end of the slag collecting chamber is communicated with the inlet of the sand-water separator through a second connecting pipe, and a second switch valve is arranged between the second connecting pipe and the slag collecting chamber.
Preferably, still include first filler pipe, first filler pipe first end with the inlet pipe intercommunication, first filler pipe second end is used for communicating with the water source.
Preferably, the center of the first end of the first water adding pipe is inclined in the direction away from the slag removing tank in the axial direction, and the included angle between the center and the slag removing tank is 45 degrees.
Preferably, the water-saving device further comprises a second water adding pipe, wherein the first end of the second water adding pipe is communicated with the first connecting pipe, and the second water adding pipe is connected with the first connecting pipe in the tangential direction.
Preferably, the distance between the second water adding pipe and the slag removing tank is smaller than the distance between the second water adding pipe and the slag collecting chamber.
Preferably, still include and eluriate the water pipe, eluriate the water pipe first end with the sediment room intercommunication, just the center pin of the first end of eluriation water pipe with the vertical distance of sediment room center pin is greater than zero.
Preferably, the number of the elutriation water pipes is two, and the vortex directions generated by the water sprayed by the two elutriation water pipes in the slag collecting chamber are the same.
Preferably, the sand-water separator is a single-shaft spiral sand-water separator.
Preferably, the first switching valve is a pneumatic valve.
Preferably, the second switching valve is a pneumatic valve.
The invention provides a low-concentration slag remover tailing treatment device which comprises a slag removing tank, a slag collecting chamber and a sand-water separator. The slag removing tank has a cylindrical first end and a conical second end, and the cross section of the conical structure is gradually reduced from the first end to the second end. Be equipped with the inlet pipe with the inside intercommunication of slagging-off jar on the circumference lateral wall of slagging-off jar first end, the center pin of inlet pipe is perpendicular and the vertical distance between the two center pin with the center pin of slagging-off jar is greater than zero. The end surface of the first end of the slag removing tank is provided with a good pulp discharging pipe which is coaxial with the slag removing tank. The first end of the slag collecting chamber is communicated with one end, far away from the cylindrical structure, of the conical structure through a first connecting pipe, and a first switch valve is arranged between the first connecting pipe and the slag collecting chamber. The second end of the slag collecting chamber is communicated with an inlet of the sand-water separator through a second connecting pipe, and a second switch valve is arranged between the second connecting pipe and the slag collecting chamber.
When starting, first ooff valve is opened, the second ooff valve is closed, then lead to in the inlet tube through the pipeline with the tailings of low dense scummer, because the center pin of inlet tube has certain velocity of flow for the skew setting of the center pin of slagging-off jar and tailings, consequently, enter into the tailings in the slagging-off jar around slagging-off jar circumferential direction, the centrifugal force that the great impurity of proportion received among the rotation process is great and is got rid of on the inner wall of slagging-off jar, and fall until entering into the slag collecting chamber from first connecting pipe along the inner wall of slagging-off jar, and the good thick liquid that the proportion is lighter can be discharged to the coarse pulp pond from the good thick liquid row of slagging-off jar first end center department's good thick liquid pipe, in order to accomplish the separation of impurity and good thick liquid. When the impurities in the slag collecting chamber are more, the first switch valve is closed, then the second switch valve is opened, and the impurities in the slag collecting chamber fall along the second connecting pipe under the action of gravity until entering the sand-water separator and are discharged by the sand-water separator, so that the impurities are cleaned. According to the arrangement, the tail slag treatment device of the low-concentration slag remover provided by the invention is simple in structure and convenient to use, and generated impurities can be discharged through the sand-water separator without manual cleaning, so that the tail slag treatment device is simple and convenient to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a tailings treatment device of a low-concentration slag remover in the embodiment of the invention.
In fig. 1:
1. a slag removal tank; 2. a slag collection chamber; 3. a sand-water separator; 5. a feed pipe; 6. a fine pulp discharge pipe; 7. a first connecting pipe; 8. a first on-off valve; 9. a second connecting pipe; 10. a second on-off valve; 11. a first water adding pipe; 12. a second water adding pipe; 13. washing the water pipe; 14. a sand-mud truck.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the contents of the invention recited in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.
Referring to fig. 1, a tailings treatment apparatus for a low-concentration slag remover provided by an embodiment of the present invention includes a slag removing tank 1, a slag collecting chamber 2, and a sand-water separator 3. Wherein, remove slag pot 1 and be the cavity structure, and the first end of removing slag pot 1 is the cylinder structure, and the second end is the cone structure to in the direction of the first end to the second end of removing slag pot 1, the cross section size of 1 center pin of cone structure perpendicular to removing slag pot reduces gradually. Be equipped with the inlet pipe 5 that links to each other with 1 tangent line of slagging-off jar on the circumference lateral wall of 1 first end of slagging-off jar to make the tailings of low dense scummer can enter into in the slagging-off jar 1 through inlet pipe 5. Referring to fig. 1, the central axis of the feeding pipe 5 is perpendicular to the central axis of the deslagging tank 1, and the vertical distance between the central axis of the feeding pipe 5 and the central axis of the deslagging tank 1 is greater than zero, and the greater the vertical distance between the central axis of the feeding pipe 5 and the central axis of the deslagging tank 1 is, the greater the centrifugal force applied to impurity sand grains and the like entering the deslagging tank 1 is, and the easier the separation is, and when the feeding pipe 5 is connected to the tangent of the deslagging tank, the greatest centrifugal force is generated to the slurry entering the deslagging tank. The end surface of the first end of the deslagging tank 1 is provided with a good pulp discharging pipe 6 which is coaxial with the deslagging tank 1, so that the good pulp in the central position of the deslagging tank can be discharged through the good pulp discharging pipe at the top of the deslagging tank. The slag collecting chamber is of a cavity structure, the first end of the slag collecting chamber 2 is communicated with one end, far away from the cylindrical structure, of the conical structure through a first connecting pipe 7, a first switch valve 8 is arranged between the first connecting pipe 7 and the slag collecting chamber 2, and the first switch valve 8 is used for communicating and disconnecting the first connecting pipe 7 and the slag collecting chamber 2. The second end of the slag collecting chamber 2 is communicated with an inlet of the sand-water separator through a second connecting pipe 9, a second switch valve 10 is arranged between the second connecting pipe 9 and the slag collecting chamber 2, and the second switch valve 10 is used for communicating and disconnecting the slag collecting chamber 2 and the second connecting pipe 9. It should be noted that the sand-water separator is a product in the prior art, and the construction principle thereof is not described in detail. Optionally, the sand-water separator is a single-shaft spiral sand-water separator.
At the beginning, first ooff valve 8 opens, second ooff valve 10 closes, then lead into inlet pipe 5 with the tailings of low dense scummer through the pipeline in, because the center pin of inlet pipe 5 sets up and the tailings has certain velocity of flow for the center pin skew of slagging-off jar 1, consequently, the tailings that enters into in the slagging-off jar 1 is around slagging-off jar 1 circumferential direction, the centrifugal force that the great impurity of weight received among the rotation process is great and is got rid of on the inner wall of slagging-off jar 1, and fall along the inner wall of slagging-off jar 1 until entering into in the slag collecting chamber 2 from first connecting pipe 7, and the good thick liquid that the quality is lighter can be discharged to the thick liquid pond from the good thick liquid row of good thick liquid pipe 6 of slagging-off jar 1 first end center department, in order to accomplish the separation of impurity and good thick liquid. When the impurities in the slag collecting chamber 2 are more, the first switch valve 8 is closed, then the second switch valve 10 is opened, the impurities in the slag collecting chamber 2 fall along the second connecting pipe 9 under the action of gravity until entering the sand-water separator, and are discharged by the sand-water separator, so that the impurities are cleaned, and the impurities, sand and stones, can be received by the sand-mud truck 14 at the outlet of the sand-water separator. According to the arrangement, the tail slag treatment device of the low-concentration slag remover provided by the invention is simple in structure and convenient to use, and generated impurities can be discharged through the sand-water separator without manual cleaning, so that the tail slag treatment device is simple and convenient to use.
In some embodiments, the low-consistency slag remover tailings treatment apparatus further comprises a first water supply pipe 11. The first end of the first water adding pipe 11 is communicated with the feeding pipe 5, and the second end of the first water adding pipe 11 is communicated with a water source. For example, 300kpa of pressure water can be introduced into the first water adding pipe 11 to increase the flow rate of the liquid entering the deslagging tank 1, thereby increasing the centrifugal force to which the liquid is subjected. Alternatively, the center of the first end of the first water adding pipe 11 is inclined axially away from the slag removing pot 1, and the included angle between the center and the slag removing pot may be 45 °. Like this from the water that first filler pipe 11 flows out and the liquid flow direction contained angle in the inlet pipe 5 is less to can reduce the velocity of flow loss of first filler pipe 11 entering into inlet pipe 5 water-logging, improve the acceleration effect to the material.
In some embodiments, the low-consistency slag remover tailings treatment apparatus further comprises a second feed pipe 12. The first end of the second water adding pipe 12 is communicated with the first connecting pipe 7, the vertical distance between the central axis of the first end of the second water adding pipe 12 and the central axis of the first connecting pipe 7 is larger than zero, the second water adding pipe 12 is used for being communicated with a water source, for example, 200kpa of pressure water can be communicated in the second water adding pipe 12, a vortex is generated in the first connecting pipe 7 through the pressure water, and good pulp and impurity sand grains are further separated under the action of centrifugal force. Optionally, the second water adding pipe is connected with the first connecting pipe in a tangential direction. Optionally, the distance between the second water feeding pipe 12 and the slag removing tank 1 is smaller than the distance between the second water feeding pipe 12 and the slag collecting chamber 2. Preferably, the second water feeding pipe 12 generates a vortex flow in the first connecting pipe 7 in the same direction as the vortex flow generated by the feeding pipe 5 in the slag removing tank 1.
In some embodiments, the low-consistency slag remover tailings treatment apparatus further comprises an elutriation water pipe 13. The first end of the elutriation water pipe 13 is communicated with the slag collecting chamber 2, and the vertical distance between the central shaft of the first end of the elutriation water pipe 13 and the central shaft of the slag collecting chamber 2 is greater than zero. The elutriation water pipe 13 has the same function as the second water feeding pipe 12, so that the good pulp is further separated from the impurity sand, and the inside of the slag collecting chamber 2 can be washed when the materials are discharged to the sand-water separator, so that the impurities are prevented from being bonded in the slag collecting chamber. Alternatively, the number of the elutriation water pipes 13 is two, and the vortex directions generated in the slag collecting chamber 2 by the water sprayed from the two elutriation water pipes 13 are the same.
In some embodiments, the first and second on-off valves 8, 10 are both pneumatic valves, for example, but not limited to pneumatic gate valves and the like. During the use, can set up the material level appearance respectively in 2 upper portions of slag collecting chamber and lower part, the material level appearance belongs to prior art product, can detect the solid material height. When the height of impurity sand in the slag collecting chamber 2 reaches the upper material level instrument, the upper material level instrument can transmit signals to the controller, the controller can control the first switch valve 8 to be closed, and then control the second switch valve 10 to be opened, so that the impurities in the slag collecting chamber 2 are discharged, when the material level instrument at the lower part of the slag collecting chamber 2 detects that the impurities are discharged, the signals are transmitted to the controller, and the controller can control the second switch to be opened and closed, and control the first switch valve 8 to be opened, so that the slag collecting chamber 2 can continue to collect the impurities. The controller may be, but is not limited to, a single chip microcomputer and a PLC.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a low dense scummer tailings processing apparatus, its characterized in that, including removing slag ladle (1), collection sediment room (2) and sand water separating centrifuge (3), it is the cylinder structure to remove slag ladle (1) first end, and the second end is the circular cone structure, and in the direction of its first end to second end circular cone structure cross section size reduces gradually, be equipped with on the circumference lateral wall of removing slag ladle (1) first end with remove inlet pipe (5) that slag ladle (1) tangent line links to each other, the terminal surface that removes slag ladle (1) first end is equipped with rather than coaxial good thick liquid row material pipe (6), collection sediment room (2) first end through first connecting pipe (7) with the circular cone structure keeps away from the one end intercommunication of cylinder structure, be equipped with first switch valve (8) between first connecting pipe (7) and collection sediment room (2), collection sediment room (2) second end through second connecting pipe (9) with the import intercommunication of sand water separating centrifuge, a second switch valve (10) is arranged between the second connecting pipe (9) and the slag collecting chamber (2).
2. The low-consistency slag remover tailing processing device according to claim 1, further comprising a first water adding pipe (11), wherein a first end of the first water adding pipe (11) is communicated with the feeding pipe (5), and a second end of the first water adding pipe (11) is used for being communicated with a water source.
3. The tailings treatment apparatus for low-concentration slag remover according to claim 2, wherein the center of the first end of the first water feeding pipe (11) is inclined away from the slag removing tank (1) in the axial direction, and the included angle is 45 °.
4. The low-concentration slag remover tailing processing device according to claim 1, characterized by further comprising a second water adding pipe (12), wherein a first end of the second water adding pipe (12) is communicated with the first connecting pipe (7), and the second water adding pipe (12) is connected with the first connecting pipe (7) in a tangential direction.
5. The low-consistency slag remover tailing disposal device according to claim 4, characterized in that the distance of the second water feeding pipe (12) from the slag removing tank (1) is smaller than the distance of the second water feeding pipe (12) from the slag collecting chamber (2).
6. The tailings treatment apparatus for a low-concentration slag remover according to claim 1, further comprising an elutriation water pipe (13), wherein a first end of the elutriation water pipe (13) is communicated with the slag collecting chamber (2), and a vertical distance between a central axis of the first end of the elutriation water pipe (13) and a central axis of the slag collecting chamber (2) is greater than zero.
7. The tailings treatment apparatus of the low-concentration slag separator according to claim 6, wherein the number of the elutriation water pipes (13) is two, and the swirling directions of the water ejected from the two elutriation water pipes (13) generated in the slag collecting chamber (2) are the same.
8. The low-concentration slag remover tailings treatment apparatus according to claim 1 wherein the sand-water separator is a single-shaft spiral sand-water separator.
9. The low-consistency cleaner tailings treatment apparatus according to claim 1, wherein the first switching valve (8) is a pneumatic valve.
10. The low-concentration slag remover tailings treatment apparatus according to claim 1, wherein the second switching valve (10) is a pneumatic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011213706.8A CN112227107A (en) | 2020-11-04 | 2020-11-04 | Low thick scummer tailings processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011213706.8A CN112227107A (en) | 2020-11-04 | 2020-11-04 | Low thick scummer tailings processing apparatus |
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| CN112227107A true CN112227107A (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011213706.8A Pending CN112227107A (en) | 2020-11-04 | 2020-11-04 | Low thick scummer tailings processing apparatus |
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| CN (1) | CN112227107A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113684713A (en) * | 2021-08-17 | 2021-11-23 | 浙江森然工贸有限公司 | Production process and processing equipment of environment-friendly corrugated composite paperboard made of waste corrugated paper |
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