CN112959705A - Production process of wear-resistant composite pipe filled with adhesive mortar - Google Patents
Production process of wear-resistant composite pipe filled with adhesive mortar Download PDFInfo
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- CN112959705A CN112959705A CN202110156770.5A CN202110156770A CN112959705A CN 112959705 A CN112959705 A CN 112959705A CN 202110156770 A CN202110156770 A CN 202110156770A CN 112959705 A CN112959705 A CN 112959705A
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- 239000002131 composite material Substances 0.000 title claims abstract description 56
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 48
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 25
- 239000000853 adhesive Substances 0.000 title claims description 54
- 230000001070 adhesive effect Effects 0.000 title claims description 50
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 86
- 239000010959 steel Substances 0.000 claims abstract description 86
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 239000004568 cement Substances 0.000 claims description 61
- 238000000034 method Methods 0.000 claims description 25
- 230000008569 process Effects 0.000 claims description 20
- 238000005299 abrasion Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 6
- 229920000715 Mucilage Polymers 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 239000003292 glue Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000011265 semifinished product Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007569 slipcasting Methods 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
Abstract
The invention relates to a production process of a wear-resistant composite pipe filled with bonding mortar, which comprises the steps of horizontally feeding the pipe and horizontally filling the bonding mortar, wherein an outer sleeved steel pipe is horizontally fixed on a support, one end of the outer sleeved steel pipe is tightly connected with a grouting sealing clamp, a plurality of fixing blocks are arranged on the outer wall of the wear-resistant pipe, two adjacent wear-resistant pipes are sealed and bonded, a pressure propulsion device pushes all the wear-resistant pipes into the outer sleeved steel pipe in sequence through a propulsion rod, a grouting cavity is formed between the outer sleeved steel pipe and the wear-resistant pipes through the support of the fixing blocks, the pressure grouting device fully injects the bonding mortar into the grouting cavity, the outer sleeved steel pipe and the wear-resistant pipes form the wear-resistant composite pipe, the grouted wear-resistant composite pipe is maintained, the end part without the bonding mortar of the wear-resistant. The invention adopts horizontal pipe feeding and horizontal filling of the bonding glue, reduces additional steps, shortens the production period, and is beneficial to improving the production efficiency and reducing the production cost.
Description
Technical Field
The invention relates to the technical field of wear-resistant composite pipe production, in particular to a production process of a wear-resistant composite pipe filled with bonding mortar.
Background
In modern industrial production systems, the safe and reliable operation of the piping system connecting the respective equipments or systems is an important component for ensuring the safe operation of the equipments or systems, and the wear-resistant composite pipes are widely used due to their excellent properties. The wear-resistant composite pipe comprises a peripheral steel pipe and a wear-resistant material of an inner layer, so the steel pipe and the wear-resistant material are required to be tightly combined by using bonding mortar, the existing wear-resistant composite pipe adopts a horizontal pipe-in vertical bonding mortar mode, namely, the wear-resistant material is horizontally pushed into the steel pipe, then a semi-finished product is lifted and moved to be vertical, and then the bonding mortar is filled, and the wear-resistant composite pipe comprises the following specific production steps: the method comprises the following steps of pipe manufacturing, pipe entering, end sealing, end fixing and sealing, hanging and moving, adhesive cement manufacturing, gravity grouting, maintenance, hanging and horizontal placing, cement cavity inspection, cement cavity repairing, end repairing, composite pipe outer surface treatment and finished product forming. However, this process has obvious defects, in the process of hoisting and moving the semi-finished product, the wear-resistant material of the lining is easy to shift and even fall off to hurt people, and the filling conforming process is divided into two stages, which wastes time and labor and has low efficiency, the production cycle of the wear-resistant composite pipe is long, the quality cannot continuously reach the same standard, and uncertain quality hidden troubles exist, so a new wear-resistant composite pipe production process is necessary to solve the problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a production process of a wear-resistant composite pipe filled with bonding mortar, which adopts horizontal pipe feeding and horizontal bonding mortar filling, reduces extra steps, shortens the production period, and is beneficial to improving the production efficiency and reducing the production cost.
The technical purpose of the invention is realized by the following technical scheme:
the production process of the wear-resistant composite pipe filled with the adhesive cement comprises the steps of horizontal pipe feeding and horizontal filling of the adhesive cement, and comprises the following steps,
horizontally fixing the outer steel tube on the support, wherein one end of the outer steel tube is tightly connected with the grouting sealing clamp, and the other end of the outer steel tube is aligned with the pressure propelling device;
the outer wall of the wear-resistant pipe is provided with a plurality of fixing blocks, the difference between the outer diameter of the wear-resistant pipe and the inner diameter of the outer sleeve steel pipe is matched with the thickness of the fixing blocks, one end of the wear-resistant pipe is embedded into the outer sleeve steel pipe, and the other end of the wear-resistant pipe is aligned to a pushing rod of the pressure pushing device;
pushing a first wear-resistant pipe into the outer sleeve steel pipe by the pressure pushing device through the pushing rod, withdrawing the pushing rod, sealing and bonding a second wear-resistant pipe and the first wear-resistant pipe, continuously pushing the second wear-resistant pipe into the outer sleeve steel pipe by the pressure pushing device through the pushing rod, repeating the steps, pushing all the wear-resistant pipes into the outer sleeve steel pipe, flushing the end parts of the outer sleeve steel pipe and the last wear-resistant pipe, and forming a grouting cavity between the outer sleeve steel pipe and the wear-resistant pipes through the support of the fixing block;
the pressure grouting device is used for fully grouting the bonding mortar into the grouting cavity, and the outer sleeved steel pipe and the wear-resistant pipe form a wear-resistant composite pipe;
and maintaining the grouted wear-resistant composite pipe, repairing the end part of the wear-resistant composite pipe without the adhesive cement and leveling the end part, and treating the outer surface of the wear-resistant composite pipe.
In one embodiment, when the pressure pushing device pushes the wear-resistant pipe into the outer sleeve steel pipe through the pushing rod, the reserved part of the wear-resistant pipe is arranged outside the outer sleeve steel pipe, and the subsequent wear-resistant pipe is hermetically bonded with the reserved part of the wear-resistant pipe.
In one embodiment, a plurality of fixing blocks are arranged at the sealing and bonding positions of two adjacent wear-resistant pipes.
In one embodiment, the upper end of the grouting sealing clamp is provided with an air outlet, and when the pressure grouting device is used for filling the bonding cement into the grouting cavity, air in the grouting cavity is discharged through the air outlet of the grouting sealing clamp.
In one embodiment, the pressure grouting device injects the bonding cement into the grouting cavity, and when the bonding cement reaches the air outlet of the grouting sealing clamp, the grouting is stopped, the air outlet is blocked, and the bonding cement is prevented from overflowing from the air outlet.
In one embodiment, the support is provided with a lifting device, when the wear-resistant pipe is pushed into the outer steel pipe, the lifting device enables the outer steel pipe to be kept horizontal, before the bonding mortar is injected into the grouting cavity, one end of the outer steel pipe provided with the grouting sealing clamp is lifted up by the lifting device, one end of the outer steel pipe provided with the grouting sealing clamp is higher than the other end of the outer steel pipe, the dense mortar is favorably discharged, gas in the cavity is favorably exhausted, and after grouting is completed, the lifting device enables the outer steel pipe to return to a horizontal state.
In one embodiment, the angle of lifting one end of the outer sleeve steel pipe by the lifting device is 5-10 degrees, one end of the outer sleeve steel pipe, which is provided with the grouting sealing clamp, is a sealing end, the other end of the outer sleeve steel pipe is a grouting end, and the sealing end is higher than the grouting end, so that the bonding adhesive cement gradually fills the grouting cavity in the grouting process, and gas in the grouting cavity is discharged from the air outlet.
In one embodiment, the grouting pressure of the pressure grouting device ranges from 0.6Mpa to 1.0Mpa, the grouting pressure is influenced by the viscosity of the adhesive cement, the more viscous the adhesive cement is, the higher the grouting pressure is, the grouting pressure is also influenced by the requirement of grouting speed, and the higher the grouting speed is, the higher the grouting pressure is.
In one embodiment, the pressure grouting device injects the adhesive cement into the grouting cavity at a speed of 0.8m-1.0m of advance of the adhesive cement per minute, the adhesive cement advances at a uniform speed, gas in the grouting cavity can be discharged as far as possible, and the grouting effect is prevented from being influenced by bubbles after the adhesive cement is fully injected into the grouting cavity.
In one embodiment, when the curing environment temperature is higher than or equal to 15 ℃, the curing time is longer than or equal to 72 hours, and when the curing environment temperature is 1-15 ℃, the curing time is longer than or equal to 144 hours; and maintaining the stability of the wear-resistant composite pipe during maintenance.
The invention has the following beneficial effects:
firstly, the invention completely cancels the device required by a vertical filling mode, saves the space required by production, and compared with the prior art, the invention only needs 60 percent of the production space of the prior art, reduces the overall cost of the production process of the wear-resistant composite pipe, the process cost of the invention is only 65 percent of the process cost of the prior art, the quality of the wear-resistant composite pipe produced according to the invention completely reaches the same standard, improves the stability of the product quality, and is beneficial to improving the economic benefit;
secondly, the steps from horizontal pipe feeding to vertical filling are reduced, so that the production period is shortened, the production efficiency is improved, and compared with the existing production process, the production process can save more than 15% of production time;
thirdly, the process of hoisting and shifting from horizontal pipe feeding to vertical filling is cancelled, so that the hoisting cost is saved, the safety risk in the hoisting process is reduced, and the quality hidden trouble which is difficult to perceive and is generated in the hoisting and shifting process of the semi-finished product is avoided;
fourthly, reduce labourer's intensity of labour, can be at the very first time through the condition that whether the bonding adhesive cement leaked that appears of visual inspection, reduced the probability that bonding adhesive cement was revealed at the filling in-process, reduce extravagantly, reduce bonding adhesive cement cost.
Drawings
FIG. 1 is a schematic view of a horizontal pipe entry of the present invention;
FIG. 2 is a schematic view of the horizontal fill adhesive cement of the present invention;
fig. 3 is a schematic view of a finished wear-resistant composite pipe of the present invention.
In the figure: 1-wear-resistant pipe, 2-fixed block, 3-outer sleeve steel pipe, 4-support, 5-pressure propulsion device, 6-lifting device, 7-adhesive cement, 8-grouting sealing clamp and 9-pressure grouting device.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
It should be noted that all the directional terms such as "upper" and "lower" referred to herein are used with respect to the view of the drawings, and are only for convenience of description, and should not be construed as limiting the technical solution.
The production process of the wear-resistant composite pipe in the prior art comprises the steps of horizontal pipe feeding and vertical filling of bonding mucilage, and comprises the following specific production steps: the method comprises the following steps of pipe manufacturing, pipe entering, end sealing, end fixing and sealing, hanging and moving, adhesive cement manufacturing, gravity grouting, maintenance, hanging and horizontal placing, cement cavity inspection, cement cavity repairing, end repairing, composite pipe outer surface treatment and finished product forming.
The production process of the wear-resistant composite pipe comprises the following steps of horizontal pipe feeding and horizontal filling of bonding mucilage: the method comprises the following steps of pipe manufacturing, pipe entering, end part leveling treatment, adhesive cement manufacturing, grouting equipment installation, pressure grouting, maintenance, grouting equipment removal, end part repairing treatment, composite pipe outer surface treatment and finished product production.
Horizontally fixing the outer steel casing pipe 3 on the support 4, wherein one end of the outer steel casing pipe 3 is tightly connected with the grouting sealing clamp 8, and the other end of the outer steel casing pipe 3 is aligned with the pressure propulsion device 5;
the outer wall of the wear-resistant pipe 1 is provided with a plurality of fixing blocks 2, the difference between the outer diameter of the wear-resistant pipe 1 and the inner diameter of the outer sleeve steel pipe 3 is matched with the thickness of the fixing blocks 2, one end of the wear-resistant pipe 1 is embedded into the outer sleeve steel pipe 3, and the other end of the wear-resistant pipe 1 is aligned to a pushing rod of the pressure pushing device 5;
the pressure propulsion device 5 pushes a first wear-resistant pipe 1 into the outer sleeve steel pipe 3 through the propulsion rod, then the propulsion rod exits, a second wear-resistant pipe 1 is hermetically bonded with the first wear-resistant pipe 1, then the pressure propulsion device 5 continuously pushes the second wear-resistant pipe 1 into the outer sleeve steel pipe 3 through the propulsion rod, the steps are repeated, all the wear-resistant pipes 1 are pushed into the outer sleeve steel pipe 3, the end parts of the outer sleeve steel pipe 3 and the last wear-resistant pipe 1 are leveled, and a grouting cavity is formed between the outer sleeve steel pipe 3 and the wear-resistant pipe 1 through the support of the fixing block 2;
the pressure grouting device 9 is used for fully grouting the bonding mortar 7 into the grouting cavity, and the outer sleeved steel pipe 3 and the wear-resistant pipe 1 form a wear-resistant composite pipe;
and maintaining the grouted wear-resistant composite pipe, repairing the end part, which is not provided with the adhesive cement 7, of the wear-resistant composite pipe, leveling the end part, and treating the outer surface of the wear-resistant composite pipe.
As shown in fig. 1-3, a process for producing an abrasion-resistant composite pipe filled with adhesive cement comprises the following steps,
s1, horizontally fixing the outer steel tube 3 on the support 4, wherein an opening at one end of the outer steel tube 3 is tightly connected with the grouting sealing clamp 8, an air outlet is formed in the upper end of the grouting sealing clamp 8, and an opening at the other end of the outer steel tube 3 is aligned with the pressure propulsion device 5;
s2, arranging a plurality of fixing blocks 2 on the outer wall of the wear-resistant pipe 1, wherein the difference between the outer diameter of the wear-resistant pipe 1 and the inner diameter of the outer sleeve steel pipe 3 is matched with the thickness of the fixing blocks 2, one end of the wear-resistant pipe 1 is in contact with a pushing rod of the pressure pushing device 5, and the other end of the wear-resistant pipe 1 is aligned to the outer sleeve steel pipe 3;
s3, the pressure propulsion device 5 is in contact with the first wear-resistant pipe 1, the first wear-resistant pipe 1 is pushed into the outer sleeve steel pipe 3, the reserved part of the first wear-resistant pipe 1 is arranged outside the outer sleeve steel pipe 3, a propulsion rod of the pressure propulsion device 5 exits from the first wear-resistant pipe 1, the second wear-resistant pipe 1 is hermetically bonded with the first wear-resistant pipe 1, and a fixed block 2 is fixedly connected at the connection position of the first wear-resistant pipe 1 and the second wear-resistant pipe 1;
s4, a pushing rod of the pressure pushing device 5 is in contact with a second wear-resistant pipe 1, the second wear-resistant pipe 1 is pushed towards the direction of the outer sleeve steel pipe 3, the first wear-resistant pipe 1 is completely pushed into the outer sleeve steel pipe 3, part of the second wear-resistant pipe 1 is pushed into the outer sleeve steel pipe 3, and the reserved part of the second wear-resistant pipe 1 is outside the outer sleeve steel pipe 3;
s5, repeating the steps S3 and S4, gradually pushing all the wear-resistant pipes 1 into the outer steel sleeve 3, enabling the first wear-resistant pipe 1 to be in close contact with the grouting sealing clamp 8, then leveling the end parts of the outer steel sleeve 3 and the last wear-resistant pipe 1, and forming a grouting cavity between the outer steel sleeve 3 and the wear-resistant pipe 1 through the support of the fixing block 2;
s6, the pressure grouting device 9 fully injects the bonding cement 7 into the grouting cavity, gas in the grouting cavity is discharged through the air outlet of the grouting sealing clamp 8, when the bonding cement 7 reaches the air outlet of the grouting sealing clamp 8, the air outlet is blocked, the bonding cement 7 is prevented from overflowing from the air outlet, and the outer sleeved steel pipe 3 and the wear-resistant pipe 1 form a wear-resistant composite pipe;
s7, maintaining the grouted wear-resistant composite pipe, repairing the end part, which is not provided with the adhesive cement 7, of the wear-resistant composite pipe and leveling the end part, and treating the outer surface of the wear-resistant composite pipe.
In the embodiment, the support 4 is provided with a lifting device 6, the lifting device 6 can lift one end of the outer sleeved steel pipe 3 provided with the grouting sealing clamp 8 by 5-10 degrees, in steps S1 to S5, the lifting device 6 keeps the outer steel casing pipe 3 horizontal all the time, so that the pressure propulsion device 5 can conveniently push the wear-resistant pipe 1 into the outer steel casing pipe 3, in step S6, the end of the jacket steel tube 3 provided with the slip casting sealing clamp 8 is a sealing end, the other end of the jacket steel tube 3 is a slip casting end, the sealing end is higher than the slip casting end, therefore, in the grouting process, the adhesive cement 7 gradually fills the grouting cavity, the gas in the grouting cavity is discharged from the air outlet, when the adhesive mortar 7 reaches the position of the air outlet, grouting is stopped, the air outlet is blocked and leveled by using semisolid mortar capable of being rapidly solidified, and the outer steel tube 3 is restored to the horizontal state by the lifting device 6 after the semisolid mortar is solidified.
In this embodiment, in steps S3 to S5, the length of each wear-resistant pipe 1 reserved outside the jacket steel pipe 3 is 20cm except for the last wear-resistant pipe 1, the joints of two adjacent wear-resistant pipes 1 are sealed and connected by using adhesive cement, a plurality of fixing blocks 2 are fixed at the joints of two adjacent wear-resistant pipes 1, and preferably, the fixing blocks 2 can be bound at the joints of two adjacent wear-resistant pipes 1 by steel wires or the like.
In this embodiment, see from wear-resisting pipe 1's circular cross-section, every 90 fixed block 2 that set up, per four fixed blocks 2 are a set of, include fixed block 2 at the junction of two adjacent wear-resisting pipes 1, set up two sets of fixed blocks 2 on same wear-resisting pipe 1 at least, when only setting up two sets of fixed blocks 2, the position of every group fixed block 2 needs to be close wear-resisting pipe 1's port, when setting up two sets of above fixed blocks 2, fixed block 2 evenly sets up on wear-resisting pipe 1's outer wall, can play the effect of dispersed pressure like this.
Preferably, the fixing blocks 2 can be arranged at intervals of 45 degrees, 30 degrees or 60 degrees, the number of each group of fixing blocks 2 is more than three, as long as the fixing blocks 2 are arranged on the same circular section of the wear-resistant pipe 1 at the same angle, and the structure enables the influence of the interaction force between the fixing blocks 2 and the wear-resistant pipe 1 to be minimum.
In the present embodiment, in step S3, the fixing block 2 is disposed on the outer wall of the first wear-resistant pipe 1 at a distance of 15cm from the end of the wear-resistant pipe 1.
In this embodiment, the pressure pushing device 5 includes a driving device, a driving rod, and a pushing rod adapted to the inner diameter of the wear-resistant pipe 1, the wear-resistant pipe 1 is sleeved on the pushing rod, and the pushing rod is pushed by the driving device, so as to push the wear-resistant pipe 1 into the outer sleeve.
In this embodiment, the outlet of 60 degrees (can reserve angles such as 45 degrees, 50 degrees) is reserved at the top of the grouting sealing clamp 8 and is used as the air outlet, or the air outlet is reserved at the top of the grouting sealing clamp 8, when the bonding mortar 7 reaches the position of the air outlet, grouting is stopped, and the air outlet is blocked and leveled by using the semisolid mortar capable of being rapidly solidified.
In this embodiment, the grouting pressure of the pressure grouting device 9 is in the range of 0.6Mpa to 1.0Mpa, the grouting pressure is affected by the viscosity of the adhesive cement 7, the more viscous the adhesive cement 7 is, the higher the grouting pressure is, the grouting pressure is also affected by the requirement of grouting speed, and the higher the grouting speed is, the higher the grouting pressure is; the pressure grouting device 9 injects the bonding adhesive cement 7 into the grouting cavity at a speed of 0.8m-1.0m of advance of the bonding adhesive cement per minute, the bonding adhesive cement 7 advances at a uniform speed, gas in the grouting cavity can be discharged as far as possible, and the grouting effect is prevented from being influenced by bubbles after the bonding adhesive cement 7 is fully injected into the grouting cavity.
In this embodiment, when the curing environment temperature is greater than or equal to 15 ℃, the curing time is greater than or equal to 72 hours, and when the curing environment temperature is 1-15 ℃, the curing time is greater than or equal to 144 hours; and maintaining the stability of the wear-resistant composite pipe during maintenance.
Because the movement among the substances is influenced by pressure and density, under the same pressure environment, the substances with high density extrude the low-density substances and move to the low-density substance area at the same time, and the high-pressure parts among the substances with the same density extrude the low-pressure parts and make the low-pressure parts move to the low-pressure direction, therefore, in the process of horizontally filling the adhesive mortar 7, the adhesive mortar 7 is pushed by the grouting pressure to fill the grouting cavity from bottom to top until the grouting colloid is filled, the adhesive mortar 7 in the grouting cavity is uniformly distributed, and the product quality is ensured.
The quality of the wear-resistant composite pipe produced according to the invention completely reaches the same standard, the stability of the product quality is improved, the device required by a vertical filling mode is completely cancelled, the space required by production is saved, compared with the prior art, the invention only needs 60 percent of the production space of the prior art, the total cost of the production process of the wear-resistant composite pipe is reduced, the process cost of the invention is only 65 percent of that of the prior art, the improvement of the economic benefit is facilitated, and the reason is that:
the invention reduces the steps from horizontal pipe feeding to vertical filling, thereby shortening the production period and improving the production efficiency, and compared with the existing production process, the invention can save the production time by more than 15 percent;
the process of hoisting and shifting from horizontal pipe feeding to vertical filling is cancelled, so that the hoisting cost is saved, the safety risk in the hoisting process is reduced, and the quality hidden trouble which is difficult to perceive and is generated in the hoisting and shifting process of the semi-finished product is avoided;
the invention reduces the labor intensity of workers, can visually check whether the adhesive cement 7 leaks at the first time, reduces the leakage probability of the adhesive cement 7 in the filling process, reduces the waste and reduces the cost of the adhesive cement 7.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. The production process of the wear-resistant composite pipe filled with the adhesive cement is characterized by comprising the steps of horizontal pipe feeding and horizontal filling of the adhesive cement,
horizontally fixing the outer sleeved steel pipe (3) on the support (4), wherein one end of the outer sleeved steel pipe (3) is tightly connected with the grouting sealing clamp (8), and the other end of the outer sleeved steel pipe (3) is aligned to the pressure propelling device (5);
the outer wall of the wear-resistant pipe (1) is provided with a plurality of fixing blocks (2), the difference between the outer diameter of the wear-resistant pipe (1) and the inner diameter of the outer sleeve steel pipe (3) is matched with the thickness of the fixing blocks (2), one end of the wear-resistant pipe (1) is embedded into the outer sleeve steel pipe (3), and the other end of the wear-resistant pipe (1) is aligned to a pushing rod of the pressure pushing device (5);
the method comprises the following steps that a pressure propulsion device (5) pushes a first wear-resistant pipe (1) into an outer sleeve steel pipe (3) through a propulsion rod, then the propulsion rod withdraws, a second wear-resistant pipe (1) is hermetically bonded with the first wear-resistant pipe (1), then the pressure propulsion device (5) continuously pushes the second wear-resistant pipe (1) into the outer sleeve steel pipe (3) through the propulsion rod, the steps are repeated, all wear-resistant pipes (1) are pushed into the outer sleeve steel pipe (3), the end parts of the outer sleeve steel pipe (3) and the last wear-resistant pipe (1) are leveled, and a grouting cavity is formed between the outer sleeve steel pipe (3) and the wear-resistant pipe (1) through the support of a fixing block (2);
the pressure grouting device (9) is used for fully grouting the bonding mucilage (7) into the grouting cavity, and the outer sleeve steel pipe (3) and the wear-resistant pipe (1) form a wear-resistant composite pipe;
and maintaining the grouted wear-resistant composite pipe, repairing the end part, which is not provided with the adhesive cement (7), of the wear-resistant composite pipe, leveling the end part, and treating the outer surface of the wear-resistant composite pipe.
2. The production process of the wear-resistant composite pipe filled with the adhesive cement as claimed in claim 1, wherein when the pressure propulsion device (5) pushes the wear-resistant pipe (1) into the outer sleeved steel pipe (3) through the propulsion rod, the reserved part of the wear-resistant pipe (1) is outside the outer sleeved steel pipe (3), and the subsequent wear-resistant pipe (1) is hermetically bonded with the reserved part of the wear-resistant pipe (1).
3. The production process of the wear-resistant composite pipe filled with the adhesive cement as claimed in claim 2, wherein a plurality of fixing blocks (2) are arranged at the sealing and bonding positions of two adjacent wear-resistant pipes (1).
4. The production process of the abrasion-resistant composite pipe filled with the bonding cement as claimed in claim 1, wherein the upper end of the grouting sealing clamp (8) is provided with an air outlet, and when the pressure grouting device (9) pours the bonding cement (7) into the grouting cavity, air in the grouting cavity is exhausted through the air outlet of the grouting sealing clamp (8).
5. The production process of the abrasion-resistant composite pipe filled with the adhesive cement according to claim 4, wherein the pressure grouting device (9) injects the adhesive cement (7) into the grouting cavity, and when the adhesive cement (7) reaches the air outlet of the grouting sealing clamp (8), the grouting is stopped to block the air outlet.
6. The production process of the wear-resistant composite pipe filled with the adhesive cement according to claim 5, wherein the support (4) is provided with a lifting device (6), when the wear-resistant pipe (1) is pushed into the outer sleeve steel pipe (3), the outer sleeve steel pipe (3) is kept horizontal by the lifting device (6), before the adhesive cement (7) is injected into the grouting cavity, one end of the outer sleeve steel pipe (3) provided with the grouting sealing clamp (8) is lifted by the lifting device (6), one end of the outer sleeve steel pipe (3) provided with the grouting sealing clamp (8) is higher than the other end of the outer sleeve steel pipe (3), so that the outer sleeve steel pipe (3) can be conveniently compacted with the adhesive cement and can discharge gas in the cavity, and after the grouting is completed, the lifting device (6) enables the outer sleeve steel pipe (3) to return to the.
7. The process for producing the abrasion-resistant composite pipe filled with the adhesive cement according to claim 6, wherein the angle at which the lifting device (6) lifts one end of the outer jacket steel pipe (3) is 5 ° to 10 °.
8. Process for the production of wear-resistant composite pipes filled with cementitious mortar according to any one of claims 1 to 7, characterized in that the pressure of the grouting means (9) ranges from 0.6MPa to 1.0 MPa.
9. The process for producing a wear-resistant composite pipe filled with a bonding cement according to claim 8, wherein the pressure grouting device (9) injects the bonding cement (7) into the grouting cavity at a rate of 0.8m to 1.0m advance of the bonding cement (7) per minute.
10. The process for producing an abrasion-resistant composite pipe filled with adhesive cement according to claim 1, wherein the curing of the grouted abrasion-resistant composite pipe is carried out for a period of 72 hours or longer when the curing environment temperature is 15 ℃ or higher, and for a period of 144 hours or longer when the curing environment temperature is 1 ℃ to 15 ℃; and maintaining the stability of the wear-resistant composite pipe during maintenance.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113910498A (en) * | 2021-09-18 | 2022-01-11 | 罗浩然 | Horizontal dress lid filling device |
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| US20110012282A1 (en) * | 2005-01-26 | 2011-01-20 | University Of Maine System Board Of Trustees | Composite construction members and method of making |
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| CN101625060A (en) * | 2009-08-04 | 2010-01-13 | 三一重工股份有限公司 | Conveying bent pipe, concrete conveyer and manufacturing method of same |
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