Heating device for discharging pipeline of discharging slurry pump
By designing a heating device at the discharge pipe of the unloading pulp pump, and utilizing components such as a steam generator and agitator, the problem of high viscosity and poor fluidity of pulp at low temperatures was solved, achieving uniform heating and smooth discharge of the pulp, thus improving pulp quality and production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-03-27
AI Technical Summary
Pulp becomes more viscous and less fluid at low temperatures, leading to uneven paper layers, holes, and other problems. Furthermore, lower temperatures may cause thickening or blockage of pipes.
Design a heating device at the discharge pipe of a pulp pump, using a steam generator to provide a heat source, combined with an agitator and a conveyor to ensure uniform heating of the pulp, using a scraper and a filter to remove impurities, and a one-way valve and a discharge hopper to ensure smooth and controllable discharge.
Ensure that the pulp is kept at a suitable temperature during the conveying process to prevent sedimentation and blockage, thereby improving pulp quality and discharge efficiency.
Smart Images
Figure CN224047801U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pulp discharging field especially to a heating device for discharging pulp pump discharge pipeline. BACKGROUND
[0002] Paper pulp discharging generally refers to the process of transferring the prepared paper pulp from one container or equipment to another container or equipment in the papermaking process.
[0003] Paper pulp heating has multiple purposes and importance in the papermaking process, because the paper pulp has greater viscosity and poorer fluidity at lower temperature, which can cause problems such as uneven paper layer and holes in the paper forming process; if the paper pulp thickens or precipitates due to temperature reduction, the phenomenon of pipeline blockage will occur.
[0004] Therefore, it is urgent to design a heating device for discharging pulp pump discharge pipeline. UTILITY MODEL CONTENT
[0005] In order to overcome the shortcomings of the prior art, the utility model provides a heating device for discharging pulp pump discharge pipeline.
[0006] The technical implementation scheme of the utility model is as follows: a heating device for discharging pulp pump discharge pipeline, comprising a base, a limiting rod, a gear ring, a gear, a tank body, a first motor, a material guide pipe, a discharge pipe, a feed hopper, a steam generator, an air pipe, a conveying valve, a pump body and a discharge part, the limiting rods are symmetrically arranged on the upper parts of both sides of the base, the gear rings are rotatably arranged on the two limiting rods on the same side, the tank body is arranged between the inner sides of the two gear rings, the first motors are arranged on the upper parts of both sides of the right of the base, the gears are arranged on the output shafts of the first motors, the two gears are rotatably engaged with the adjacent gear rings, the material guide pipe is connected to the front side of the tank body, the discharge pipe is connected to the rear part of the material guide pipe and extends into the front part of the tank body in a bent shape, the material guide pipe is connected to the upper part of the base, the feed hopper is arranged on the top of the material guide pipe, the steam generator is arranged on the front side of the base, the air pipe is connected to the top of the steam generator, the output end of the air pipe is connected to the material guide pipe, a conveying valve is arranged at the connection part of the air pipe and the material guide pipe, the pump body is arranged on the outside of the material guide pipe, and the discharge part is arranged in the rear part of the tank body.
[0007] In a preferred embodiment of the utility model, the tank body is composed of a plurality of equidistantly arranged folding frames, so as to form an integrated cylindrical tank body, and a plurality of cavities corresponding to the number of folding rods are arranged in the inner side of the rear part of the tank body.
[0008] In a preferred embodiment of the utility model, a scraper is further arranged, the scraper is arranged at the bottom end of the extending part of the discharge pipe, a filter screen is arranged on the scraper, and the end part of the scraper is rotatably connected to the inner wall of the tank body.
[0009] In a preferred embodiment of the present application, the stirring paddle is further provided, and the stirring paddle is rotatably arranged in the tank.
[0010] In a preferred embodiment of the present application, the discharging part comprises the baffle, the one-way valve, the outlet pipe, the conveying paddle and the second motor, a plurality of closely fitted baffles are circumferentially arranged on the end face of the rear part of the tank, the one-way valve is arranged in the upper part of each baffle, each one-way valve is arranged on the plurality of folding rods constituting the tank, and each one-way valve is in communication with the cavity of the corresponding tank, the outlet pipe is connected to the rear part of the tank, the upper end of the outlet pipe is provided with a discharging opening, the discharging opening is arranged below half of the cavities, and the lower end of the outlet pipe is provided with a discharging opening, the conveying paddle is rotatably arranged in the outlet pipe, the end of the conveying paddle is connected with the stirring paddle in front, the second motor is arranged at the rear part of the base, and the output shaft of the second motor is connected with the conveying paddle.
[0011] In a preferred embodiment of the present application, the discharging part comprises the baffle, the one-way valve, the outlet pipe, the conveying paddle and the second motor, a plurality of closely fitted baffles are circumferentially arranged on the end face of the rear part of the tank, the one-way valve is arranged in the upper part of each baffle, each one-way valve is arranged on the plurality of folding rods constituting the tank, and each one-way valve is in communication with the cavity of the corresponding tank, the outlet pipe is connected to the rear part of the tank, the upper end of the outlet pipe is provided with a discharging opening, the discharging opening is arranged below half of the cavities, and the lower end of the outlet pipe is provided with a discharging opening, the conveying paddle is rotatably arranged in the outlet pipe, the end of the conveying paddle is connected with the stirring paddle in front, the second motor is arranged at the rear part of the base, and the output shaft of the second motor is connected with the conveying paddle.
[0012] In a preferred embodiment of the present application, the lower part of the discharging hopper is arranged in an inclined manner.
[0013] In a preferred embodiment of the present application, the discharging part comprises the baffle, the one-way valve, the outlet pipe, the conveying paddle and the second motor, a plurality of closely fitted baffles are circumferentially arranged on the end face of the rear part of the tank, the one-way valve is arranged in the upper part of each baffle, each one-way valve is arranged on the plurality of folding rods constituting the tank, and each one-way valve is in communication with the cavity of the corresponding tank, the outlet pipe is connected to the rear part of the tank, the upper end of the outlet pipe is provided with a discharging opening, the discharging opening is arranged below half of the cavities, and the lower end of the outlet pipe is provided with a discharging opening, the conveying paddle is rotatably arranged in the outlet pipe, the end of the conveying paddle is connected with the stirring paddle in front, the second motor is arranged at the rear part of the base, and the output shaft of the second motor is connected with the conveying paddle.
[0014] Compared with the prior art, the present application has the following advantages: the steam generator provides a heat source to ensure that the paper pulp maintains an appropriate temperature during the conveying process; the stirring paddle and the conveying paddle jointly act to uniformly heat the paper pulp and smoothly discharge the paper pulp; the combination of the one-way valve and the discharging hopper ensures the smoothness and controllability of the discharging; and the scraper and the filter screen help to remove impurities and improve the quality of the paper pulp. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The assembly diagram of the present application.
[0016] Figure 2 The sectional structure diagram of the guide pipe, the discharging pipe and the feeding hopper and other components of the present application.
[0017] Figure 3 The three-dimensional structure diagram of the tank, the baffle and the one-way valve of the present application.
[0018] Figure 4 The sectional structure diagram of the scraper, the stirring paddle and the outlet pipe and other components of the present application.
[0019] The reference signs of the individual parts in the drawing are as follows: 1, base, 2, limiting rod, 3, gear ring, 4, gear, 5, tank body, 6, first motor, 7, material guide pipe, 71, discharge pipe, 8, feeding hopper, 9, steam generator, 10, air pipe, 101, conveying valve, 11, pump body, 12, scraper, 13, stirring paddle, 14, partition, 141, one-way valve, 15, outlet pipe, 16, conveying paddle, 161, second motor, 17, discharge hopper, 171, material blocking plate. DETAILED DESCRIPTION
[0020] It is first to be pointed out that in the different described embodiments identical parts are provided with identical reference signs or identical component names, wherein the disclosure contained in the entire description can be transferred by its meaning to the identical parts with identical reference signs or identical component names. The chosen position indications in the description, for example, upper, lower, lateral, and the like, also refer to the directly described and shown drawing and are transferred by their meaning to the new position in case of a position change.
[0021] Embodiment: A heating device for a discharge pipe of a slurry pump, like Figures 1-4As shown, including the base 1, limit rod 2, gear ring 3, gear 4, tank 5, the first motor 6, material pipe 7, discharge pipe 71, feed hopper 8, steam generator 9, air pipe 10, conveying valve 101, pump body 11 and discharge part, the base 1 as the foundation of the entire device support platform, for fixing and supporting other components, ensure stable operation of equipment, the upper part of both sides of base 1 is provided with limit rod 2 symmetrically, the same side of two limit rod 2 is provided with gear ring 3 rotationally, for limiting the movement range of gear ring 3, ensure its smooth rotation, prevent gear ring 3 from deviating in the process of rotation, the inside between two sides of gear ring 3 is provided with tank 5, for storing and heating pulp, driven by the meshing of gear 4, make tank 5 rotate, make pulp evenly heated in tank 5, tank 5 is made of several equidistant size of folding frame, to form integrated cylindrical tank 5, the inside of rear part of tank 5 is provided with cavity corresponding to the number of several folding rods, so that the pulp can be evenly heated in tank 5 and reduce deposition, the upper right part of base 1 is provided with first motor 6, for providing rotating power, its output shaft drives gear 4 to rotate, in turn drives tank 5 to rotate, ensure pulp evenly heated and mixed in tank 5, the output shaft of first motor 6 is provided with gear 4, driven by rotation, drive gear ring 3 and tank 5 to rotate, realize the uniform mixing of pulp in tank 5, both sides of gear 4 are rotationally engaged with adjacent gear ring 3, the front side of tank 5 is connected with material pipe 7, for pulp import and heating, the outside is connected with the upper part in base 1, ensure pulp can be fully heated before entering tank 5, the rear part of material pipe 7 is connected with discharge pipe 71, which is bent and extends into the front part of tank 5, for guiding pulp into tank 5, ensure pulp can smoothly enter tank 5 for heating treatment, the outside of material pipe 7 is connected with the upper part in base 1, the top of material pipe 7 is provided with feed hopper 8, for guiding pulp into tank 5, ensure pulp can smoothly enter tank 5 for heating treatment, the front side of base 1 is provided with steam generator 9, generate high temperature steam, provide heat source for pulp heating, ensure pulp in the conveying process will not increase viscosity or sedimentation because of temperature reduction, the top of steam generator 9 is connected with air pipe 10, transmit steam, ensure pulp is fully heated in material pipe 7, the output end of air pipe 10 is communicated with material pipe 7, and the communication part of the two is provided with conveying valve 101, control the inflow of steam, can adjust the supply amount of steam according to actual needs, the outside of material pipe 7 is provided with pump body 11, for pushing pulp flow, ensure pulp can flow smoothly in material pipe 7, the rear part of tank 5 is provided with discharge part for discharging.
[0022] As Figure 2 and Figure 4 shown, also including scraper 12, the extension part of discharge pipe 71 is provided with scraper 12 at the bottom end, for scraping pulp attached on the inner wall of tank 5, and filtering impurities in pulp, ensure the purity of pulp, the scraper 12 is provided with filter screen, the end of scraper 12 is in rotational contact with the inner wall of tank 5.
[0023] As shown in Figure 2 and Figure 4 , it also includes a stirring paddle 13, which is rotatably arranged in the tank 5, for stirring the pulp in the tank 5, so that the pulp is uniformly heated and prevented from settling or stratifying during heating, ensuring the quality of the pulp.
[0024] As shown in Figures 1-4 , the discharge part includes a partition plate 14, a one-way valve 141, an outlet pipe 15, a conveying paddle 16 and a second motor 161, a plurality of closely fitted partition plates 14 are arranged circumferentially on the end face of the rear part of the tank 5, to ensure uniform discharge of the pulp and better control of the flow path of the pulp in the tank 5, a one-way valve 141 is arranged in each partition plate 14, for controlling the one-way flow of the pulp and preventing backflow, to ensure that the pulp flows in the predetermined direction, each one-way valve 141 corresponds to a plurality of folded rods constituting the tank 5, and each one-way valve 141 communicates with the corresponding cavity of the tank 5, the outlet pipe 15 is connected to the rear part of the tank 5 for discharging the pulp, the upper end of the outlet pipe 15 is provided with a discharge opening, which corresponds to the lower side of half of the cavities, and the lower end of the outlet pipe 15 is provided with a discharge opening, the conveying paddle 16 is rotatably arranged in the outlet pipe 15 for pushing the pulp backward, the conveying paddle 16 is connected to the front stirring paddle 13, the second motor 161 is arranged at the rear part of the base 1, the second motor 161 is used to provide rotary power, and the output shaft of the second motor 161 is connected to the conveying paddle 16.
[0025] As shown in Figure 4 , it also includes a discharge hopper 17, the discharge hopper 17 is connected to the lower part of the outlet pipe 15, and the lower part of the discharge hopper 17 is inclined to facilitate the smooth flow of the pulp.
[0026] As shown in Figure 4 , it also includes a baffle plate 171, the baffle plate 171 is slidably arranged in the upper part of the discharge hopper 17, the flow rate of the pulp can be adjusted by pulling the baffle plate 171, to ensure that the discharge process is controllable and prevent the pulp from flowing too fast or too slow.
[0027] In use, first start the steam generator 9, the high temperature steam generated by the steam generator 9 is transported into the guide pipe 7 through the air pipe 10, the steam enters the inside of the guide pipe 7 through the delivery valve 101, the guide pipe 7 is preheated to ensure that the paper pulp does not increase viscosity or precipitate due to temperature reduction in the conveying process, then the first motor 6 on the right upper part of the base 1 is started, the output shaft of the first motor 6 drives the gear 4 to rotate, the gear 4 is engaged with the gear ring 3, so that the gear ring 3 rotates, and then drives the tank body 5 to rotate, the rotation of the tank body 5 helps the paper pulp to receive heating more uniformly inside the tank body 5, and also helps the paper pulp to mix better, preventing the paper pulp from precipitating or caking in the tank body 5; in the heating and conveying stage, the paper pulp is added into the guide pipe 7 through the feed hopper 8, the paper pulp is heated by the steam in the guide pipe 7 to maintain good fluidity, after the paper pulp is heated by the steam in the guide pipe 7, the paper pulp is output into the tank body 5 through the discharge pipe 71 at the end of the guide pipe 7, the scraper 12 provided at the bottom end of the extension part of the discharge pipe 71 is provided with a filter screen, the end of the scraper 12 is in rotating contact with the inner wall of the tank body 5, the paper pulp attached to the inner wall of the tank body 5 can be scraped off, and the impurities in the paper pulp can be filtered through the filter screen, ensuring the purity of the paper pulp; in the stirring and discharging stage, if it is necessary to further stir the paper pulp in the tank body 5, the stirring paddle 13 can be started, the stirring paddle 13 rotates in the tank body 5 to promote the paper pulp to be heated uniformly, and to prevent the paper pulp from precipitating or stratifying during the heating process, when it is necessary to discharge the paper pulp from the tank body 5, the second motor 161 is started, the output shaft of the second motor 161 drives the conveying paddle 16 to rotate, the conveying paddle 16 is connected with the front stirring paddle 13 to work together to push the paper pulp forward, with the rotation of the conveying paddle 16, the one-way valve 141 is opened, the paper pulp enters the cavity through the one-way valve 141, and then is discharged from the outlet pipe 15, the design of the one-way valve 141 ensures that the paper pulp can only flow in one direction, preventing backflow; in the discharging stage, the paper pulp is discharged through the outlet pipe 15, the outlet pipe 15 is connected with the discharge hopper 17 at the lower end, the lower part of the discharge hopper 17 is inclined to facilitate the smooth flow of the paper pulp, the blocking plate 171 can be slidably arranged in the upper part of the discharge hopper 17 to adjust the flow rate of the paper pulp, ensuring that the discharging process is controllable.
[0028] The above merely describes the embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process conversion, or direct or indirect application in other related technical fields according to the content of the present application, are also included in the patent protection range of the present application.
Claims
1. A heating device for the discharge pipe of a slurry pump, comprising a base (1); characterized in that, It also includes limit rods (2), gear rings (3), gears (4), tank body (5), first motor (6), guide pipe (7), discharge pipe (71), feed hopper (8), steam generator (9), air pipe (10), conveying valve (101), pump body (11) and discharge section. Limit rods (2) are symmetrically arranged on both sides of the upper part of the base (1). Gear rings (3) are rotatably arranged on the two limit rods (2) on the same side. Tank body (5) is arranged between the inner sides of the gear rings (3) on both sides. First motors (6) are arranged on both sides of the upper right part of the base (1). Gears (4) are arranged on the output shaft of the first motor (6). The gears (4) on both sides are connected to the adjacent The gear ring (3) rotates and engages. A guide pipe (7) is connected to the front side of the tank body (5). A discharge pipe (71) with a bend extending into the front of the tank body (5) is connected to the rear of the guide pipe (7). The outside of the guide pipe (7) is connected to the upper part of the base (1). A feed hopper (8) is provided at the top of the guide pipe (7). A steam generator (9) is provided at the front of the base (1). A gas pipe (10) is connected to the top of the steam generator (9). The output end of the gas pipe (10) is connected to the guide pipe (7). A conveying valve (101) is provided at the connection between the two. A pump body (11) is provided on the outside of the guide pipe (7). A discharge section for discharging material is provided at the rear of the tank body (5).
2. A heating device for the discharge pipe of a slurry pump according to claim 1, characterized in that, The can body (5) is composed of several equidistant folding structures to form an integrated cylindrical can body (5). The inner rear side of the can body (5) is provided with cavities corresponding to the number of folding rods.
3. A heating device for the discharge pipe of a slurry pump according to claim 2, characterized in that, It also includes a scraper (12), and a scraper (12) is provided at the bottom of the extension part of the discharge pipe (71). A filter screen is provided on the scraper (12), and the end of the scraper (12) is in rotatable contact with the inner wall of the tank (5).
4. A heating device for the discharge pipe of a slurry pump according to claim 3, characterized in that, It also includes a stirring paddle (13), which is rotatably installed inside the tank (5).
5. A heating device for the discharge pipe of a slurry pump according to claim 4, characterized in that, The discharge section includes a baffle (14), a one-way valve (141), an outlet pipe (15), a conveying paddle (16), and a second motor (161). Several closely fitted baffles (14) are arranged circumferentially on the rear end face of the tank (5). A one-way valve (141) is provided in the upper part of each baffle (14). Each one-way valve (141) corresponds to several folding rods that make up the tank (5), and each one-way valve (141) is connected to the cavity of the corresponding tank (5). The tank body (5) is connected to the rear of the outlet pipe (15). The upper end of the outlet pipe (15) is provided with a discharge opening, which corresponds to the lower half of the cavity. The lower end of the outlet pipe (15) is also provided with a discharge opening. A conveying paddle (16) is rotatably installed inside the outlet pipe (15). The end of the conveying paddle (16) is connected to the front stirring paddle (13). A second motor (161) is provided at the rear of the base (1). The output shaft of the second motor (161) is connected to the conveying paddle (16).
6. A heating device for the discharge pipe of a slurry pump according to claim 5, characterized in that, It also includes a discharge hopper (17), and the lower part of the outlet pipe (15) is connected to the discharge hopper (17).
7. A heating device for the discharge pipe of a slurry pump according to claim 6, characterized in that, The lower part of the discharge hopper (17) is inclined.
8. A heating device for the discharge pipe of a slurry pump according to claim 7, characterized in that, It also includes a baffle plate (171), which is slidably installed in the upper part of the discharge hopper (17).