Papermaking chemical additive mixing and dispersing device
By introducing a liquid-supply dual-mixing and dispersing component and a liquid-supply component into the papermaking chemical additive mixing and dispersing device, combined with mechanical stirring and high-pressure gas, the problem of mediocre mixing effect in the existing technology has been solved, achieving efficient dispersion of additives, improving paper quality and saving pulp consumption.
Patent Information
- Application Number
- CN202520015812.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-03
AI Technical Summary
In existing papermaking dispersion equipment, additives are often mixed using only high-pressure gas or mechanical stirring, which generally results in poor mixing effects.
The system employs a liquid supply dual mixing and dispersion component and a liquid supply component. It utilizes a mixing and dispersion system consisting of a hollow mixing screw, buffer tank, connecting pipe, rotary joint, high-pressure air pump and air pipe, and combines mechanical stirring and high-pressure gas for mixing and dispersion. The liquid supply component precisely controls the amount of additives added.
It improves the mixing and dispersion of additives, ensures the uniform dispersion of fibers and fillers in pulp, enhances the surface smoothness, flexibility and strength of paper, reduces paper breaks and dusting, and saves pulp consumption.
Smart Images
Figure CN223747424U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to papermaking technical field especially relates to a papermaking chemical auxiliary agent mixing dispersion device. BACKGROUND
[0002] In the papermaking process, paper fibers and fillers in the pulp have hydrophobicity and are easy to flocculate into groups, which makes it difficult to produce paper with uniform performance and strength. Therefore, an auxiliary agent needs to be added to improve the viscosity of the pulp to promote the uniform dispersion of fibers and fillers, so as to realize the smoothness and flexibility of the paper produced, and no holes, so as to improve the stability of the papermaking, reduce the phenomenon of paper breakage and powdering. At the same time, it also helps to improve the tensile strength and dry and wet strength of the paper, and save the amount of pulp.
[0003] The current dispersion device often uses high-pressure gas or mechanical stirring method to mix the auxiliary agent when in use, which is relatively single and the mixing effect is general, so it needs to be improved. UTILITY MODEL CONTENT
[0004] The utility model wants to overcome the prior art's insufficient and provides a papermaking chemical auxiliary agent mixing dispersion device to solve the problem that the dispersion device in the prior art often uses high-pressure gas or mechanical stirring method to mix the auxiliary agent when in use, which is relatively single and the mixing effect is general.
[0005] Therefore, the utility model provides a papermaking chemical auxiliary agent mixing dispersion device, which comprises a mixing dispersion box, a feeding port is formed in the top of the mixing dispersion box, a driving motor is fixedly installed on one side of the mixing dispersion box, the mixing dispersion box is provided with a liquid supply double mixing dispersion assembly and a liquid supply assembly;
[0006] The liquid supply double mixing dispersion assembly comprises a hollow mixing screw, a gas hole, a buffer tank, a connecting pipe, a rotary joint, a high-pressure gas pump and a gas pipe, the hollow mixing screw is rotatably connected to the middle part of the mixing dispersion box, the gas hole is formed in the side wall of the blade of the hollow mixing screw, the buffer tank is fixedly installed on the top of the mixing dispersion box, the connecting pipe is fixedly installed on the top of the buffer tank, the rotary joint is fixedly installed on one end of the connecting pipe, the high-pressure gas pump is fixedly installed on one side of the mixing dispersion box, and the gas pipe is fixedly installed between the buffer tank and the high-pressure gas pump.
[0007] Optionally, one end of the connecting pipe extends to the inside bottom of the buffer tank.
[0008] Optionally, the output end of the rotary joint is fixedly installed on the top of the hollow mixing screw.
[0009] Optionally, one end of the gas pipe is fixedly installed on the output end of the high-pressure gas pump, and the other end of the gas pipe is in communication with the inside of the buffer tank.
[0010] Optionally, the driving motor output shaft and one end of the hollow mixing screw are connected through a belt transmission provided with a belt pulley.
[0011] Optionally, the liquid supply assembly comprises a liquid supply pipe, a solenoid valve and a flow meter, one end of the liquid supply pipe is fixedly installed at the top of the buffer tank, and the solenoid valve and the flow meter are fixedly installed in the middle of the liquid supply pipe.
[0012] Optionally, one end of the liquid supply pipe is connected with the inside of the buffer tank.
[0013] From the above technical solutions, it can be seen that the embodiments of the utility model have the following advantages:
[0014] 1. The papermaking chemical additive mixing and dispersing device, by setting up liquid supply double mixing and dispersing assembly, specific, utilize hollow mixing screw mixing and dispersing at the same time, high pressure air pump utilizes air tube to pressurize buffer tank, so that the additive in the buffer tank flows into the hollow mixing screw through the connecting pipe, and is sprayed from the air hole at the same time, after the additive is added, the high pressure air pump continues to work, which will make the air hole spray high pressure gas, at this time, mechanical stirring and high pressure gas carry out mixing and dispersing work at the same time, so that the mixing and dispersing effect of the equipment is improved.
[0015] 2. The papermaking chemical additive mixing and dispersing device, by setting up liquid supply assembly, specific, when using, open solenoid valve, and add additive to the inside of the buffer tank through the liquid supply pipe, and utilize flow meter to measure, automatically close solenoid valve after reaching the set flow, so that the additive can be accurately added, and the mixing and dispersing effect is improved.
[0016] The characteristics and advantages of the utility model will be disclosed in detail in the following specific embodiments and drawings. BRIEF DESCRIPTION OF DRAWINGS
[0017] The utility model will be further explained in combination with the drawings:
[0018] Figure 1 It is the structure schematic drawing of the utility model;
[0019] Figure 2 It is the side surface partial section view of the utility model;
[0020] Figure 3 It is the side surface section view of the hollow mixing screw of the utility model;
[0021] Figure 4 It is the side surface partial section view of the buffer tank of the utility model.
[0022] Explanation of reference signs: 1, mixed dispersion tank; 2, feed inlet; 3, driving motor; 401, hollow mixing screw; 402, air hole; 403, buffer tank; 404, connecting pipe; 405, rotary joint; 406, high-pressure air pump; 407, air pipe; 501, liquid supply pipe; 502, electromagnetic valve; 503, flow meter. DETAILED DESCRIPTION
[0023] The technical solutions of the embodiments of the utility model will be explained and described below in combination with the drawings of the embodiments of the utility model. However, the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0024] A papermaking chemical additive mixing and dispersing device is specifically described below in combination with the drawings of the embodiments of the utility model.
[0025] Embodiment 1
[0026] For the convenience of understanding, please refer to Figures 1 to 4 An embodiment of the papermaking chemical additive mixing and dispersing device provided by the utility model comprises a mixed dispersion tank 1, the mixed dispersion tank 1 is provided with a feed inlet 2 at the top, a driving motor 3 is fixedly installed on one side of the mixed dispersion tank 1, and the mixed dispersion tank 1 is provided with a liquid supply double mixing and dispersing assembly and a liquid supply assembly;
[0027] The liquid supply double mixing and dispersing assembly comprises a hollow mixing screw 401, an air hole 402, a buffer tank 403, a connecting pipe 404, a rotary joint 405, a high-pressure air pump 406 and an air pipe 407, the hollow mixing screw 401 is rotatably connected in the middle of the mixed dispersion tank 1, the air hole 402 is arranged in the blade side wall of the hollow mixing screw 401, the buffer tank 403 is fixedly installed at the top of the mixed dispersion tank 1, the connecting pipe 404 is fixedly installed at the top of the buffer tank 403, the rotary joint 405 is fixedly installed at one end of the connecting pipe 404, the high-pressure air pump 406 is fixedly installed on one side of the mixed dispersion tank 1, the air pipe 407 is fixedly installed between the buffer tank 403 and the high-pressure air pump 406, one end of the connecting pipe 404 extends to the inside bottom of the buffer tank 403, the output end of the rotary joint 405 is fixedly installed at the top of the hollow mixing screw 401, one end of the air pipe 407 is fixedly installed at the output end of the high-pressure air pump 406, the other end of the air pipe 407 is in communication with the inside of the buffer tank 403, and the output shaft of the driving motor 3 and one end of the hollow mixing screw 401 are belt-driven through the setting of pulleys.
[0028] It should be noted that by setting the buffer tank 403, hollow mixing screw 401, air hole 402 and high pressure air pump 406, and setting the connecting pipe 404 and air pipe 407 for connection, using the set high pressure air pump 406 to pressurize the buffer tank 403 through the air pipe 407, so that the additives in the buffer tank 403 flow into the hollow mixing screw 401 through the connecting pipe 404, and are sprayed out from the air hole 402, after the addition of the additives is completed, the high pressure air pump 406 continues to work, at the same time the driving motor 3 drives the hollow mixing screw 401 to rotate through the belt transmission, at this time the mechanical stirring and high pressure gas are mixed and dispersed at the same time.
[0029] Embodiment 2
[0030] In some embodiments, as shown in Figure 4 The liquid supply assembly includes a liquid supply pipe 501, a solenoid valve 502 and a flow meter 503, one end of the liquid supply pipe 501 is fixedly installed at the top of the buffer tank 403, the solenoid valve 502 and the flow meter 503 are fixedly installed in the middle of the liquid supply pipe 501, and one end of the liquid supply pipe 501 is connected with the inside of the buffer tank 403.
[0031] It should be noted that by setting the liquid supply pipe 501, the solenoid valve 502 and the flow meter 503, opening the solenoid valve 502, and adding additives to the inside of the buffer tank 403 through the liquid supply pipe 501, and using the flow meter 503 to measure, the solenoid valve 502 is automatically closed after reaching the set flow, so that the addition amount of additives can be accurately controlled.
[0032] Working principle: in use, first open the solenoid valve 502, and add additives to the inside of the buffer tank 403 through the liquid supply pipe 501, and use the flow meter 503 to measure, and automatically close the solenoid valve 502 after reaching the set flow, then use the set high pressure air pump 406 to pressurize the buffer tank 403 through the air pipe 407, so that the additives in the buffer tank 403 flow into the hollow mixing screw 401 through the connecting pipe 404, and are sprayed out from the air hole 402, after the addition of the additives is completed, the high pressure air pump 406 continues to work, at the same time the driving motor 3 drives the hollow mixing screw 401 to rotate through the belt transmission, at this time the mechanical stirring and high pressure gas are mixed and dispersed at the same time.
[0033] The above-described embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A mixing and dispersing device for papermaking chemical additives, characterized in that: The utility model provides a kind of liquid supply device, including mixed dispersion tank (1), the mixed dispersion tank (1) top is equipped with feed inlet (2), the mixed dispersion tank (1) one side is fixedly installed with drive motor (3), the mixed dispersion tank (1) is provided with liquid supply double mixing dispersion component and liquid supply component; The liquid supply double mixing dispersion component includes hollow mixing screw (401), air hole (402), buffer tank (403), connecting pipe (404), rotary joint (405), high-pressure gas pump (406) and air pipe (407), the hollow mixing screw (401) is rotatably connected in the middle of mixed dispersion tank (1), the air hole (402) is opened in hollow mixing screw (401) blade side wall, the buffer tank (403) is fixedly installed at the top of mixed dispersion tank (1), the connecting pipe (404) is fixedly installed at the top of buffer tank (403), the rotary joint (405) is fixedly installed at one end of connecting pipe (404), the high-pressure gas pump (406) is fixedly installed at one side of mixed dispersion tank (1), and the air pipe (407) is fixedly installed between buffer tank (403) and high-pressure gas pump (406).
2. The papermaking chemical additive mixing and dispersing device according to claim 1, characterized in that: One end of the connecting pipe (404) extends to the inside bottom of the buffer tank (403).
3. The papermaking chemical additive mixing and dispersing device according to claim 1, characterized in that: The rotary joint (405) output is fixedly installed at the top of the hollow mixing screw (401).
4. The papermaking chemical mixing and dispersing device according to claim 1, characterized in that: One end of the air pipe (407) is fixedly installed at the output end of the high-pressure gas pump (406), and the other end of the air pipe (407) is in communication with the inside of the buffer tank (403).
5. The papermaking chemical mixing and dispersing device according to claim 1, characterized in that: The drive motor (3) output shaft and one end of the hollow mixing screw (401) are driven by a belt through the setting pulley.
6. The papermaking chemical mixing and dispersing device according to claim 1, characterized in that: The liquid supply component includes liquid supply pipe (501), electromagnetic valve (502) and flowmeter (503), one end of the liquid supply pipe (501) is fixedly installed at the top of the buffer tank (403), and the electromagnetic valve (502) and flowmeter (503) are fixedly installed in the middle of the liquid supply pipe (501).
7. The papermaking chemical mixing and dispersing device according to claim 6, characterized in that: One end of the liquid supply pipe (501) is in communication with the inside of the buffer tank (403).