CN211725389U

CN211725389U - Papermaking remains adding mechanism of auxiliary agent

Info

Publication number: CN211725389U
Application number: CN201922330982.1U
Authority: CN
Inventors: 王权
Original assignee: Hubei Rongcheng Recycling Technology Co ltd
Current assignee: Hubei Rongcheng Recycling Technology Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-10-23
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a papermaking remains interpolation mechanism of auxiliary agent, it is used for adding the retention auxiliary agent to low concentration paper pulp pipe, should add the mechanism including the mixing pump with add the jar, it is used for storing the retention auxiliary agent to add the jar, its lower extreme has the auxiliary agent export rather than inside intercommunication, be equipped with at least one liquid outlet and a plurality of inlet on the lateral wall of low concentration paper pulp pipe, liquid outlet and auxiliary agent export all with the feed inlet intercommunication of mixing pump, the discharge gate and a plurality of mixing pump the inlet intercommunication, the feed inlet of mixing pump with the intercommunication department of liquid outlet is equipped with first valve, the discharge gate department of mixing pump is equipped with the second valve, the auxiliary agent exit that adds the jar is equipped with the third valve. The mixing efficiency is high, namely, a part of low-concentration paper pulp in the low-concentration paper pulp pipe is sucked out by the mixing pump directly to be mixed with the retention aid, and the mixture is pumped into the low-concentration paper pulp pipe by the mixing pump to be dispersed again after being mixed, so that the mixture is uniformly mixed.

Description

Papermaking remains adding mechanism of auxiliary agent

Technical Field

The utility model belongs to the papermaking equipment field especially relates to a papermaking remains interpolation mechanism of auxiliary agent.

Background

The retention aid is required to be added into low-concentration paper pulp in a paper mill to improve the retention of each component in the low-concentration paper pulp, reduce the loss rate, control the white water concentration in the paper pulp within a required range and the like, but the existing retention aid is complex in addition mode and poor in mixing effect.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a simple structure can add the interpolation mechanism that remains the auxiliary agent on line.

In order to achieve the above purpose, the technical solution of the present invention is as follows: the utility model provides a papermaking remains interpolation mechanism of auxiliary agent, its is used for adding the retention auxiliary agent to low concentration paper pulp pipe, should add the mechanism and include the mixing pump and add the jar, add the jar and be used for storing the retention auxiliary agent, its lower extreme has the auxiliary agent export rather than inside intercommunication, be equipped with at least one liquid outlet and a plurality of inlet on the lateral wall of low concentration paper pulp pipe, liquid outlet and auxiliary agent export all with the feed inlet intercommunication of mixing pump, the discharge gate and a plurality of the mixing pump inlet intercommunication, the feed inlet of mixing pump with the intercommunication department of liquid outlet is equipped with first valve, the discharge gate department of mixing pump is equipped with the second valve, the auxiliary agent exit that adds the jar is equipped with the third valve.

The beneficial effects of the above technical scheme are that: the mixing efficiency is high, namely, a part of low-concentration paper pulp in the low-concentration paper pulp pipe is sucked out by the mixing pump directly to be mixed with the retention aid, and the mixture is pumped into the low-concentration paper pulp pipe by the mixing pump to be dispersed again after being mixed, so that the mixture is uniformly mixed.

Still include the slagging-off mechanism among the above-mentioned technical scheme, the slagging-off mechanism set up in the mixing pump with between the liquid outlet, the slagging-off mechanism has feed inlet, clear liquid export and row's cinder notch, the liquid outlet with the feed inlet intercommunication of slagging-off mechanism, the clear liquid export of slagging-off mechanism with the inlet intercommunication of mixing pump, first valve set up in the liquid outlet with between the feed inlet of slagging-off mechanism.

The beneficial effects of the above technical scheme are that: set up the slagging-off mechanism, filter the low concentration paper pulp after the liquid outlet is discharged for plain boiled water enters into the mixing pump and mixes with the retention auxiliary agent, so reducible retention auxiliary agent's use amount, and improve the drug effect, save the cost simultaneously.

In the technical scheme, the slag removing mechanism is an automatic slag removing filter or an automatic slag removing centrifugal machine.

The beneficial effects of the above technical scheme are that: the slag removing mechanism is used for carrying out solid-liquid separation on the low-concentration paper pulp discharged from the liquid outlet, so that the paper pulp is discharged from the slag discharging port for centralized recovery, and the separated white water enters the mixing pump to dilute and retain the auxiliary agent.

In the technical scheme, the additive outlet of the adding tank is also provided with a flow regulating valve.

The beneficial effects of the above technical scheme are that: this facilitates adjustment of the discharge flow rate of the retention aid in the addition tank according to the properties of the pulp in the low consistency pulp pipe.

In the above technical scheme, the liquid outlet is located at the upstream of the plurality of liquid inlets.

The beneficial effects of the above technical scheme are that: so that no retention aid is present in the low consistency pulp pipe discharged from the liquid outlet.

In the technical scheme, the plurality of liquid inlets are circumferentially distributed on the low-concentration pulp pipe in the same circle, and are circumferentially and uniformly distributed on the low-concentration pulp pipe at intervals.

The beneficial effects of the above technical scheme are that: therefore, the diluted retention aid can be more uniformly distributed after entering the low-concentration pulp pipe through the liquid inlet.

In the above technical scheme, the liquid inlet and the liquid outlet both extend into the low-concentration pulp pipe, the liquid outlet is located at one end in the low-concentration pulp pipe and faces the upstream of the low-concentration pulp pipe, and the liquid inlet is located at one end in the low-concentration pulp pipe and faces the downstream of the low-concentration pulp pipe.

The beneficial effects of the above technical scheme are that: make the paper pulp in the low concentration pulp pipe can be more smooth and easy enter into the mixing pump through the liquid outlet, likewise, the fluid flow's in the low concentration pulp pipe effect makes the liquid inlet be located the intraductal one end tip of low concentration pulp and is the negative pressure to make the reservation auxiliary agent after diluting enter into the low concentration pulp pipe more easily, and quick dispersion.

In the technical scheme, one end of the liquid outlet, which is positioned in the low-concentration pulp pipe, is a trumpet-shaped flaring.

The beneficial effects of the above technical scheme are that: so that the pulp can be more smoothly sucked out of the liquid outlet.

Drawings

FIG. 1 is a schematic view of a retention aid adding mechanism according to embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of a retention aid adding mechanism according to embodiment 2 of the present invention.

In the figure: 1 low concentration paper pulp pipe, 11 liquid outlets, 12 liquid inlets, 2 mixing pumps, 21 first valves, 22 second valves, 3 adding tanks, 31 third valves, 32 flow regulating valves, 4 deslagging mechanisms, 5 collecting tanks.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1, this embodiment provides an adding mechanism of retention aid for papermaking, which is used for adding the retention aid into a low-concentration pulp pipe 1, and the adding mechanism includes a mixing pump 2 and an adding tank 3, the adding tank 3 is used for storing the retention aid, the lower end of the adding tank has an aid outlet communicated with the inside of the adding tank, the side wall of the low-concentration pulp pipe 1 is provided with at least one liquid outlet 11 and a plurality of liquid inlets 12, the liquid outlet 11 and the aid outlet are both communicated with a feed inlet of the mixing pump 2, a discharge outlet of the mixing pump 2 is communicated with the plurality of liquid inlets 12, a first valve 21 is arranged at a communication position of the feed inlet of the mixing pump 2 and the liquid outlet, a second valve 22 is arranged at the discharge outlet of the mixing pump 2, and a third valve 31 is arranged at the aid outlet of the adding tank 3. The mixing efficiency is high, namely, a part of low-concentration paper pulp in the low-concentration paper pulp pipe is sucked out by the mixing pump directly to be mixed with the retention aid, and the mixture is pumped into the low-concentration paper pulp pipe by the mixing pump to be dispersed again after being mixed, so that the mixture is uniformly mixed.

In the above technical solution, the liquid outlet is located at the upstream of the plurality of liquid inlets 12, so that no additive is retained in the low-concentration pulp pipe discharged from the liquid outlet.

In the technical scheme, the liquid inlets 12 are circumferentially distributed on the low-concentration pulp pipe 1 in the same circle, and are circumferentially and uniformly distributed on the low-concentration pulp pipe 1 at intervals, so that the diluted retention auxiliary agent can be more uniformly distributed after entering the low-concentration pulp pipe through the liquid inlets.

In the above technical scheme, inlet 11 and outlet 12 all in extend to in the low concentration pulp pipe 1, just outlet 11 is located one end orientation in the low concentration pulp pipe 1 the upper reaches of low concentration pulp pipe 1, and inlet 12 is located one end orientation in the low concentration pulp pipe 1 the low reaches of low concentration pulp pipe 1 for pulp in the low concentration pulp pipe can more smoothly enter into the mixing pump through the liquid outlet, and similarly, the effect that the fluid among the low concentration pulp pipe flows makes the inlet be located the intraductal one end tip of low concentration pulp and is the negative pressure, thereby makes the retention auxiliary agent after diluting more easily enter into the low concentration pulp pipe to rapid dispersion.

In the above technical scheme the liquid outlet 11 is located one end in the low concentration pulp pipe 1 is the tubaeform flaring, so that the liquid outlet can be more smooth suction pulp.

Wherein, liquid outlet and inlet can all set up on the same section pipeline of low concentration pulp pipe, so be convenient for maintain.

Example 2

Still include among the above-mentioned technical scheme deslagging mechanism 4, deslagging mechanism 4 set up in mixing pump 2 with between the liquid outlet 11, deslagging mechanism 4 has feed inlet, clear liquid export and row's cinder notch, liquid outlet 11 with deslagging mechanism 4's feed inlet intercommunication, deslagging mechanism 4's clear liquid export with mixing pump 2's inlet intercommunication, first valve 21 set up in liquid outlet 11 with between deslagging mechanism 4's the feed inlet. Set up the slagging-off mechanism, filter the low concentration paper pulp after the liquid outlet is discharged for plain boiled water enters into the mixing pump and mixes with the retention auxiliary agent, so reducible retention auxiliary agent's use amount, and improve the drug effect, save the cost simultaneously.

In the technical scheme, the residue removing mechanism 4 is an automatic residue removing filter or an automatic residue removing centrifugal machine, and the residue removing mechanism is used for carrying out solid-liquid separation on the low-concentration paper pulp discharged from the liquid outlet, so that the paper pulp is discharged from the residue discharging port and is intensively recycled through the collecting tank 5, and the separated white water enters the mixing pump to dilute and retain the auxiliary agent. Wherein the collecting trough 5 may resemble a municipal plastic dustbin with rollers.

In the above technical solution, the additive outlet of the addition tank 3 is further provided with a flow control valve 32, so that the discharge flow of the retained additive in the addition tank can be adjusted according to the pulp property in the low-concentration pulp pipe.

Preferably, the feed inlet of the mixing pump can be communicated with a tee joint, and the rest two interfaces of the tee joint are respectively communicated with the additive outlet and the clear liquid outlet of the deslagging mechanism.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. An adding mechanism of a retention aid for papermaking is used for adding the retention aid into a low-concentration pulp pipe (1), characterized in that the adding mechanism comprises a mixing pump (2) and an adding tank (3), the adding tank (3) is used for storing retention aid, the lower end of the low-concentration pulp pipe is provided with an auxiliary agent outlet communicated with the inside of the low-concentration pulp pipe, the side wall of the low-concentration pulp pipe (1) is provided with at least one liquid outlet (11) and a plurality of liquid inlets (12), the liquid outlet (11) and the auxiliary agent outlet are both communicated with the feed inlet of the mixing pump (2), the discharge hole of the mixing pump (2) is respectively communicated with the liquid inlets (12), a first valve (21) is arranged at the communication position of the feed inlet of the mixing pump (2) and the liquid outlet (11), a second valve (22) is arranged at the discharge outlet of the mixing pump (2), and a third valve (31) is arranged at the auxiliary agent outlet of the adding tank (3).

2. The adding mechanism of the papermaking retention aid according to claim 1, further comprising a deslagging mechanism (4), wherein the deslagging mechanism (4) is disposed between the mixing pump (2) and the liquid outlet (11), the deslagging mechanism (4) has a feed inlet, a clear liquid outlet and a deslagging port, the liquid outlet (11) is communicated with the feed inlet of the deslagging mechanism (4), the clear liquid outlet of the deslagging mechanism (4) is communicated with the liquid inlet of the mixing pump (2), and the first valve (21) is disposed between the liquid outlet (11) and the feed inlet of the deslagging mechanism (4).

3. The adding mechanism of paper making retention aid according to claim 2, characterized in that the deslagging mechanism (4) is a self-deslagging filter or a self-deslagging centrifuge.

4. The adding mechanism of the papermaking retention aid according to claim 1, characterized in that a flow regulating valve (32) is further provided at the aid outlet of the adding tank (3).

5. The mechanism for adding retention aids for papermaking according to any one of claims 1 to 4, characterised in that the outlet openings are located upstream of the plurality of inlet openings (12).

6. The mechanism for adding retention aid for papermaking as claimed in claim 5, wherein the plurality of liquid inlets (12) are arranged on the low-consistency pulp pipe (1) in a concentric manner in the circumferential direction and are evenly spaced.

7. The mechanism for adding retention aid for papermaking according to claim 6, characterized in that the liquid outlet (11) and the liquid inlet (12) both extend into the low consistency pulp pipe (1), and the liquid outlet (11) is located at one end in the low consistency pulp pipe (1) and faces upstream of the low consistency pulp pipe (1), and the liquid inlet (12) is located at one end in the low consistency pulp pipe (1) and faces downstream of the low consistency pulp pipe (1).

8. The mechanism for adding retention aid for papermaking as claimed in claim 7, wherein the end of the liquid outlet (11) inside the low consistency pulp pipe (1) is flared.