CN220453387U - Lubricating device for sludge conveying pipeline - Google Patents

Abstract

The utility model discloses a lubricating device for a sludge conveying pipeline, which belongs to the field of sludge conveying and comprises a sludge inlet pipe, a lubricating pipe and a conveying pipe, wherein two ends of the lubricating pipe are respectively connected with the sludge inlet pipe and the conveying pipe in a sealing way through a first bolt and a second bolt, the diameter value of the inner cavity of the inner pipe is the same as that of the inner cavity of the sludge inlet pipe, the diameter value of the inner cavity of the lubricating pipe, which is close to one end of the conveying pipe, is gradually reduced to the diameter value of the inner cavity of the conveying pipe, an inner pipe is arranged in the lubricating pipe, the outer wall of the inner pipe and the inner wall of the lubricating pipe form a lubricating water film, an annular pipe is sleeved on the lubricating pipe and is communicated with the lubricating pipe through a connecting pipe, water is connected with a water inlet pipe and is injected into the lubricating pipe through the annular pipe, sludge enters the lubricating pipe through the inner pipe, the sludge enters the lubricating pipe, the water is wrapped into a layer of water film at the lubricating water film, the position of the lubricating water film, the energy consumption of the pipeline caused by overlarge resistance of the sludge is reduced, and the abrasion of the pipeline is also reduced.

Description

Lubricating device for sludge conveying pipeline

Technical Field

The utility model belongs to the technical field of sludge conveying, and particularly relates to a sludge conveying pipeline lubricating device.

Background

The current disposal modes of sludge mainly comprise landfill, incineration, land utilization, microorganism treatment and the like, wherein the modes of landfill, incineration, microorganism treatment and the like are similar to the treatment modes and advantages and disadvantages of household garbage, a large amount of percolate and landfill gas can be generated after the sludge with higher organic matter content is landfilled, and the landfill proportion of municipal sludge is gradually reduced in all countries at present, and sludge incineration is selected.

In the sludge incineration process, the sludge is required to be conveyed into the middle combustion furnace through a conveying pipeline, and in the sludge conveying process, the sludge has excessive resistance in the pipeline and serious pipeline abrasion because of more solid particles in the sludge conveying pipeline, so that the sludge conveying pipeline lubricating device is provided.

Disclosure of Invention

The utility model aims to provide a sludge conveying pipeline lubricating device for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the lubricating device for the sludge conveying pipeline comprises a sludge inlet pipe, a lubricating pipe and a conveying pipe, wherein two ends of the lubricating pipe are respectively connected with the sludge inlet pipe and the conveying pipe;

the inside of lubrication tube is provided with the inner tube, the outer wall of inner tube and lubrication tube inner wall form the lubrication water film way, the last annular pipe that has cup jointed of lubrication tube, the annular pipe is linked together with the lubrication tube through the connecting pipe, be connected with the inlet tube on the annular pipe.

Further, two ends of the lubricating pipe are respectively connected with the mud inlet pipe and the transmission pipe in a sealing mode through a first bolt and a second bolt.

Further, the diameter value of the inner cavity of the inner tube is the same as that of the inner cavity of the mud inlet tube.

Further, the diameter value of the inner cavity of the end, close to the transmission pipe, of the lubrication pipe gradually decreases to the diameter value of the inner cavity of the transmission pipe.

Further, the four connecting pipes are positioned on the lubrication pipe center and are symmetrical up and down.

Further, one end of the connecting pipe far away from the lubricating pipe is provided with a filter screen port.

Further, the connecting pipe is provided with a backflow prevention assembly.

Further, the backflow prevention assembly comprises an elastic piece, an annular piece and a sealing ball, wherein the annular piece is connected to the inside of the connecting pipe, and two ends of the elastic piece are respectively connected with the sealing ball and the inner wall of the connecting pipe.

Further, the annular piece is sleeved on the elastic piece, and the bottom of the annular piece is elastic.

Compared with the prior art, the utility model has the beneficial effects that:

according to the lubricating device for the sludge conveying pipeline, water is injected into the lubricating pipe through the annular pipe and the connecting pipe, sludge enters from the sludge inlet pipe, the sludge enters into the lubricating pipe through the inner pipe, and the water wraps the outer ring of the sludge at the lubricating water film pipeline to form a layer of water film, so that the energy consumption of the sludge in the pipeline due to overlarge resistance is reduced, and meanwhile, the abrasion of the sludge on the pipeline is also reduced;

this mud pipeline lubricating arrangement, sealing ball can be close to lubricated pipe direction and remove under the promotion of rivers, and sealing ball can tensile elastic component, and sealing ball and annular separation for rivers flow into inside the lubricated pipe from sealing ball and the annular gap, when stopping supplying water or rivers pressure is less, sealing ball and the bottom sealing contact of annular under the restoring force of elastic component, effectively prevent lubricated intraductal fluid backward flow.

Drawings

FIG. 1 is a perspective view of a sludge transfer conduit lubrication apparatus;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is an enlarged view at a in fig. 2.

In the figure: 10. a mud inlet pipe; 110. a first bolt; 20. a lubrication tube; 210. an inner tube; 211. a lubricating water film channel; 220. a connecting pipe; 221. an elastic member; 222. a ring member; 223. a sealing ball; 224. a filter screen port; 230. an annular tube; 231. a water inlet pipe; 30. a transmission tube; 310. and a second bolt.

Description of the embodiments

The utility model is further described below with reference to examples.

The following examples are illustrative of the present utility model but are not intended to limit the scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple modifications of the method of the utility model under the premise of the conception of the utility model are all within the scope of the utility model as claimed.

Referring to fig. 1 and 2, the present utility model provides a lubrication device for a sludge conveying pipeline, including a sludge inlet pipe 10, a lubrication pipe 20 and a transmission pipe 30, wherein the right end of the sludge inlet pipe 10 is connected with the left end of the lubrication pipe 20 in a sealing manner through a plurality of first bolts 110, the right end of the lubrication pipe 20 is connected with the left end of the transmission pipe 30 in a sealing manner through a second bolt 310, an inner pipe 210 is connected in the left port of the lubrication pipe 20 in a transverse manner, the diameter value of the inner cavity of the inner pipe 210 is the same as the diameter value of the inner cavity of the sludge inlet pipe 10, a lubrication water film channel 211 is formed between the outer wall of the inner pipe 210 and the inner wall of the lubrication pipe 20, connection pipes 220 are arranged on the lubrication pipe 20, four connection pipes 220 are arranged in a longitudinal symmetry on the circle of the lubrication pipe 20, one ends of the four connection pipes 220 far away from the lubrication pipe 20 are connected with an annular pipe 230 together, and the annular pipe 230 is communicated with a water inlet pipe 231;

the inlet tube 231 connects the high-pressure water pump, and water pours into the inside of lubricated pipe 20 through annular pipe 230, through four connecting pipes 220, and mud gets into from advancing mud pipe 10, and in mud got into lubricated pipe 20 through inner tube 210, water was in lubricated water film pipeline 211 department with the parcel of mud outer lane one deck water film, reduced the energy consumption that the mud brought because of the resistance is too big at the pipeline, also alleviateed the wearing and tearing that the mud caused to the pipeline simultaneously.

The diameter of the inner cavity at the right end of the lubricating tube 20 gradually decreases to a diameter equal to that of the inner cavity of the inner tube 210, which is more beneficial to the water-coated sludge.

Referring to fig. 2 and 3, a backflow preventing assembly is disposed inside the connecting tube 220, one end of the connecting tube 220 near the annular tube 230 is provided with a filter screen port 224, the backflow preventing assembly includes an elastic member 221, an annular member 222 and a sealing ball 223, the annular member 222 is connected to the inner wall of the connecting tube 220, the elastic member 221 passes through the annular member 222, one end of the elastic member 221 is connected to the inner wall of the end of the connecting tube 220 near the annular tube 230, the bottom of the annular member 222 is elastic, the other end of the elastic member 221 is connected to the sealing ball 223, the elastic member 221 is in a stretched state, and the sealing ball 223 is in sealing contact with the bottom of the annular member 222;

the sealing ball 223 moves in the direction close to the lubrication pipe 20 under the pushing of the water flow, the sealing ball 223 stretches the elastic piece 221, and the sealing ball 223 is separated from the annular piece 222, so that the water flow flows into the lubrication pipe 20 from the gap between the sealing ball 223 and the annular piece 222, and when the water supply is stopped or the water flow pressure is smaller, the sealing ball 223 is in sealing contact with the bottom of the annular piece 222 under the restoring force of the elastic piece 221, and the fluid in the lubrication pipe 20 is effectively prevented from flowing back.

The working principle and the using flow of the utility model are as follows: the inlet tube 231 advances water under the effect of high-pressure water pump, water gets into annular pipe 230, water gets into in the connecting pipe 220 through the filter screen port 224 on the connecting pipe 220, under the effect of pressure, rivers promote sealing ball 223, make sealing ball 223 be close to the direction removal of lubricating pipe 20, sealing ball 223 can tensile elastic component 221, and sealing ball 223 separates with annular component 222, make rivers flow into the inside of lubricating pipe 20 from sealing ball 223 and annular component 222 gap, mud gets into from advance mud pipe 10 in the time of intaking, mud gets into in the lubricating pipe 20 through inner tube 210, water wraps up the mud outer lane into one deck water film in lubricating water film way 211 department, carry through transfer pipe 30, reduce the energy consumption that mud is because of the resistance is too big at the pipeline, simultaneously also alleviateed the wearing and tearing that the mud led to the pipeline causes, sealing ball 223 is sealed contact with the bottom of annular component 222 under the resilience of elastic component 221 when stopping supplying water or rivers pressure is less, prevent effectively that the fluid in the lubricating pipe 20 from flowing backward.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a mud pipeline lubricating arrangement which characterized in that: the device comprises a mud inlet pipe (10), a lubrication pipe (20) and a transmission pipe (30), wherein two ends of the lubrication pipe (20) are respectively connected with the mud inlet pipe (10) and the transmission pipe (30);

the inside of lubrication tube (20) is provided with inner tube (210), the outer wall of inner tube (210) forms lubrication water film way (211) with lubrication tube (20) inner wall, annular pipe (230) have been cup jointed on lubrication tube (20), annular pipe (230) are linked together with lubrication tube (20) through connecting pipe (220), be connected with inlet tube (231) on annular pipe (230).

2. A sludge transfer conduit lubrication apparatus according to claim 1, wherein: two ends of the lubricating pipe (20) are respectively connected with the mud inlet pipe (10) and the transmission pipe (30) in a sealing way through a first bolt (110) and a second bolt (310).

3. A sludge transfer conduit lubrication apparatus according to claim 1, wherein: the diameter value of the inner cavity of the inner pipe (210) is the same as that of the inner cavity of the mud inlet pipe (10).

4. A sludge transfer conduit lubrication apparatus according to claim 1, wherein: the diameter value of the inner cavity of the end, close to the transmission pipe (30), of the lubrication pipe (20) is gradually reduced to the diameter value of the inner cavity of the transmission pipe (30).

5. A sludge transfer conduit lubrication apparatus according to claim 1, wherein: the four connecting pipes (220) are arranged on the center of the lubrication pipe (20) in a vertically-front-rear symmetry mode.

6. A sludge transfer conduit lubrication apparatus according to claim 1, wherein: one end of the connecting pipe (220) far away from the lubricating pipe (20) is provided with a filter screen port (224).

7. The sludge conveying pipeline lubrication device according to claim 6, wherein: the connection pipe (220) is provided with a backflow prevention assembly.

8. The sludge conveying pipeline lubrication device according to claim 7, wherein: the backflow prevention assembly comprises an elastic piece (221), an annular piece (222) and a sealing ball (223), wherein the annular piece (222) is connected inside the connecting pipe (220), and two ends of the elastic piece (221) are respectively connected with the sealing ball (223) and the inner wall of the connecting pipe (220).

9. The sludge conveying pipeline lubrication device according to claim 8, wherein: the annular piece (222) is sleeved on the elastic piece (221), and the bottom of the annular piece (222) is elastic.