CN-112297226-B - Pulping and pulp feeding device for clean pulp

CN112297226BCN 112297226 BCN112297226 BCN 112297226BCN-112297226-B

Abstract

The invention discloses a pulping and pulp feeding device for clean pulp, and relates to the field of clean pulp spraying equipment. Including agitator, abandon thick liquid structure, screw pump, the agitator is vertical to be fixed on the base, its inner wall is provided with belt cleaning device, inside center is provided with filter equipment, the agitator below is connected with abandon thick liquid structure through the flange, it is fixed on the barrel to abandon the thick liquid pipe slant of thick liquid structure, it is connected with the screw pump through the hose to abandon thick liquid structure, the screw pump is vertical to be fixed on the base, the screw pump is equipped with water jet and first jet, the second jet, can carry out washing and gas washing to screw pump and thick liquid way pipeline, and carry out back flush to filter equipment of agitator. The invention has simple structure, convenient operation, no splashing of mud during stirring, capability of filtering mud residue, more convenient and thorough cleaning by adopting a mode of combining air cleaning and water cleaning, good cleaning effect and difficult blockage of a slurry path pipeline.

Inventors

GE TONGFU
XUE HONGFA
MENG RAN
ZHANG HAIFENG
WANG YANXUN
WANG JIANLI
Wang Yandai
LI GUANGLONG
WANG HUILIANG
JIA YANQI
WANG LIFEI
JIN SHANSHAN

Assignees

河北高达智能装备股份有限公司

Dates

Publication Date: 20260505
Application Date: 20190730

Claims (9)

1. The pulping and pulp feeding device for the clean pulp is characterized by comprising a stirring barrel (1), a pulp discarding structure (2) and a screw pump (3), wherein the stirring barrel (1) is fixedly connected with a first valve (202) of the pulp discarding structure (2) through a stirring barrel pulp outlet pipe flange (201) fixed on a pulp discharging pipe (113), and a pulp outlet pipe (204) of the pulp discarding structure (2) is communicated with the screw pump (3) through a pulp feeding path hose (319); The stirring barrel (1) comprises a barrel body (109), wherein the barrel body (109) is fixed on a base (107), a cleaning pipe (106) is fixed above the barrel body (109) by a supporting block (105) in a clinging manner, the cleaning pipe (106) is communicated with an external water source through a water pump, a splash preventing structure (110) is fixed on the inner wall below the barrel body (109), a filter cartridge (112) is fixed at the center of the bottom of the barrel body (109), a slurry discharging pipe (113) is arranged below the barrel body (109), a flange is fixed at the tail end of the slurry discharging pipe, a stirring shaft (108) is arranged at the center line position of the barrel body, stirring blades (111) are fixed at the tail end of the stirring shaft (108), a stirring shaft bracket (104) is arranged at the position of the stirring shaft extending out of the barrel body, a bearing is arranged on the stirring shaft bracket (104), the stirring shaft bracket (104) is fixedly connected with a motor bracket (102), the motor (101) is fixedly connected with the motor bracket (102), and the motor (101) is fixedly connected with the base (107) through a connector (103); The slurry discarding structure (2) comprises a barrel (205), a first flange (203) and a second flange (206) are respectively fixed at two ends of the barrel (205), the first flange (203) is fixedly connected with one end of a first valve (202), the other end of the first valve (202) is fixedly connected with a slurry outlet pipe flange (201) of the stirring barrel, the second flange (206) is fixedly connected with one end of a second valve (207), the other end of the second valve (207) is fixedly connected with a flange on a connecting body (208), threads are arranged on the outer wall of the opposite end of the connecting body (208) to the flange, and a slurry outlet pipe (204) is fixedly connected on the barrel (205) between the first flange (203) and the second flange (206); Screw pump (3) include screw pump body (304), screw pump body (304) are vertical to be fixed on screw pump support (305), screw pump body (304) are equipped with driving motor (303), driving motor (303) are connected with converter (301) electricity, screw pump body (304) are including feed section and ejection of compact section, the feed section is provided with feed inlet (302), water jet (306) and first air jet (307), feed inlet (302) are connected with feed thick liquid way hose (319) through the flange, water jet (306) are connected with water source (316) through cleaning machine (312), first air jet (307) are connected with air source (315) through second solenoid valve (309), the ejection of compact section is provided with ejection of compact mouth (314) and second air jet (313), ejection of compact mouth (314) are connected with ejection of compact thick liquid way hose (320) through the flange, second air jet (313) are connected with air source (315) through first solenoid valve (308).
2. The pulping and pulp-feeding device for clean pulp according to claim 1, wherein the cleaning tube (106) is annular and tubular, made of polytetrafluoroethylene, is tightly attached to the inner wall of the barrel body (109), and is provided with a plurality of water spray holes close to and facing the inner wall of the stirring barrel body uniformly.
3. The pulping and pulp-feeding device for clean pulp according to claim 1, wherein the splash preventing structure (110) is at least two rectangular steel plates, and is welded and fixed on the inner wall of the barrel body (109) obliquely and symmetrically and above the stirring blade (111).
4. The pulping and pulp-feeding device for clean pulp according to claim 1, wherein the inside of the filter cartridge (112) is of a cavity structure, the side wall of the filter cartridge is uniformly provided with a plurality of filter holes, and the filter cartridge (112) is welded and fixed at the bottom center of the barrel body (109).
5. The pulping and pulp-feeding device for clean pulp according to claim 1, wherein the first flange (203) and the second flange (206) are fixedly connected with the cylinder (205) by welding, and the first valve (202) and the second valve (207) are butt-clamp type electric butterfly valves.
6. The pulping and pulp-feeding device for clean pulp according to claim 1, wherein the outlet of the pulp outlet pipe (204) is obliquely upwards and forms an acute included angle with the cylinder (205) for welding and fixing, and the outer wall of the outlet of the pulp outlet pipe (204) is provided with threads.
7. Pulping and pulp-feeding device for clean pulp according to claim 1, characterized in that the screw pump body (304) is a G-type screw pump, the driving motor (303) is an electromagnetic speed regulating motor and the rotation speed is regulated by a frequency converter (301).
8. The pulping and pulp-feeding device for clean pulp according to claim 1, wherein the first electromagnetic valve (308) and the second electromagnetic valve (309) are connected with the air source (315) through air pipes (317) to form a water vapor filter (311), and the second air jet (313) is connected with the first electromagnetic valve (308) through air pipes to form a pressure transmitter (310).
9. The pulping and pulp-feeding device for clean pulp according to claim 1, characterized in that the water jet (306) of the feeding section of the screw pump is provided with threads and is fixedly connected with the water pipe (318) through threads, and the first air jet (307) and the second air jet (313) are provided with threads and are fixedly connected with the air pipe (317) through threads.

Description

Pulping and pulp feeding device for clean pulp Technical Field The invention relates to a clean pulp spraying device, in particular to a pulp making and feeding device for clean pulp. Background The prestressed steel cylinder concrete pipe (PCCP) is widely applied to major diversion water conservancy construction projects such as south-to-north water regulation and urban water supply network construction projects in China by the excellent characteristics of large caliber, high working pressure, deep soil covering and long distance, and the durability of the prestressed high-strength steel wire wound on the PCCP pipe core directly influences the structural safety of the PCCP. In the national standard of GB/T19685 prestressed concrete cylinder pipe, cement paste with a specified water-cement ratio is sprayed when wire winding is required, and the surface of the steel wire is effectively protected for the first time. The cement paste water-gel ratio on the surface of the steel wire is 0.625, the cement paste water-gel ratio is strong in viscosity, the solidification speed is high, the stirred slurry exceeds 45 minutes, initial solidification is started, sludge can be generated, if the cleaning is not timely and thoroughly performed, the cement paste is solidified on the inner wall of a stirring barrel or a slurry path pipeline, a worker directly takes a water pipe to clean the stirring barrel during the general cleaning, and cleaning wastewater flows out from a spray head along the slurry path pipeline, so that the slurry path pipeline is cleaned. In addition, the traditional spraying equipment is that the slurry is precipitated through the slag basin and then flows into the slurry pipeline to be sprayed after the slurry comes out of the stirring barrel in the working process, the equipment structure is complex, the occupied area is large, and the slurry path pipeline is inconvenient to clean and easy to block after the slurry comes out of the stirring barrel. The screw pump for conveying the slurry is generally of a horizontal structure, a gap is formed between the lower part of the conveying rod and the cylinder wall, the slurry is large in specific gravity and is easy to deposit on the cylinder wall, the traditional screw pump is not easy to clean, a thick layer of slurry is solidified below the cylinder wall over time, the conveying of the slurry is affected, and the slurry is easy to produce sludge and block a slurry path. Disclosure of Invention The invention aims to solve the technical problems of providing a pulping and slurry-feeding device for clean slurry, which has the advantages of simple structure, convenient operation, no splashing of slurry during stirring, capability of filtering sludge, convenient cleaning, good cleaning effect and difficult blockage of slurry pipelines. In order to solve the technical problems, the invention adopts the technical scheme that the pulping and pulp feeding device comprises a stirring barrel, a pulp discarding structure and a screw pump, wherein the stirring barrel is fixedly connected with a first valve of the pulp discarding structure through a stirring barrel pulp outlet pipe flange fixed on a pulp discharging pipe, and a pulp outlet pipe of the pulp discarding structure is communicated with the screw pump through a pulp feeding path hose; The stirring barrel comprises a barrel body, wherein the barrel body is fixed on a base, a cleaning pipe is fixed above the barrel body and clings to the inner wall through a supporting block, the cleaning pipe is communicated with an external water source through a water pump, a splash preventing structure is fixed on the inner wall below the barrel body, a filter barrel is fixed at the center of the bottom of the barrel body, a slurry outlet pipe is arranged below the barrel body, a flange is fixed at the tail end of the slurry outlet pipe, a stirring shaft is arranged at the central line position of the barrel body, stirring blades are fixed at the tail end of the stirring shaft, a stirring shaft bracket is arranged at the position of the stirring shaft, a bearing is arranged on the stirring shaft bracket, the stirring shaft bracket is fixedly connected with a motor bracket, the motor is fixedly connected with the stirring shaft bracket through a coupler, and the stirring shaft bracket is fixedly connected with the base. The slurry discarding structure comprises a barrel, a first flange and a second flange are respectively fixed at two ends of the barrel, the first flange is fixedly connected with one end of a first valve, the other end of the first valve is fixedly connected with a flange of a slurry outlet pipe of a stirring barrel, the second flange is fixedly connected with one end of a second valve, the other end of the second valve is fixedly connected with a flange on a connecting body, threads are arranged on the outer wall of one end, opposite to the flange, of the connecting body, and the slurry outlet pipe is f