阅读说明：本技术 一种水泥管道防水连接方法 (Waterproof connection method for cement pipeline ) 是由 朱年华 余劲松 程平 朱清华 朱冬明 于 2020-07-22 设计创作，主要内容包括：本发明公开了一种水泥管道防水连接方法,准备工作、第一预处理、晾干处理、排放处理、封堵处理和外观处理中,首先准备布条或者防水布,另外在准备黄油或者防水剂,再将黄油倒在布条上来进行搓湿,或者将防水剂倒在防水布上进行搓湿,来封堵住水泥管道的连接处,再将第一预处理中的水泥取出,覆盖在其表面,在用木棒进行捣实,在对覆盖表面的水泥进行快速风干,黄油的质量为10-50g,防水剂的质量为20-40g,本发明涉及水泥管道技术领域,该水泥管道防水连接方法,可以解决水泥管道在不停水带压力情况下在水泥管道进行连接时,需要关闭水阀门来进行连接,不然会导致连接处漏水,如何在不停水带压力情况下在水泥管道进封堵的问题。(The invention discloses a waterproof connection method of a cement pipeline, which comprises the steps of preparing a cloth strip or waterproof cloth, preparing butter or a waterproof agent, pouring the butter on the cloth strip for rubbing wet, or pouring the waterproof agent on the waterproof cloth for rubbing wet to block the connection part of the cement pipeline, taking out the cement in the first pretreatment, covering the surface of the cement pipeline with the cement, tamping the cement covered on the surface with a wood bar, quickly drying the cement covered on the surface with 10-50g of butter and 20-40g of waterproof agent, and relates to the technical field of cement pipelines, the waterproof connection method of the cement pipeline can solve the problem that when the cement pipeline is connected under the condition of water pressure without stopping, a water valve needs to be closed for connection, otherwise, the water leakage at the joint can be caused, and the plugging can be performed on the cement pipeline under the condition of not stopping the pressure of the water belt.)

1. A waterproof connecting method for cement pipelines is characterized by comprising the following steps:

s1, preparation: firstly, extending a reinforcing steel bar fixed in the inner cavity of the cement pipeline out of one end of the cement pipeline to form a connected port, and then extending a reinforcing steel bar at the other end of the cement pipeline out of the port to be connected;

s2, first pretreatment: preparing cement powder and water, mixing the cement powder and the water, stirring the cement powder and the water to form cement, preparing circular plates with the same size as a cement pipeline, piling the circular plates to be sleeved on the surfaces of the extending reinforcing steel bars, respectively injecting the stirred cement into the reinforcing steel bars at two ends, and extruding the cement between the reinforcing steel bars by using a wood bar to ensure that the cement in the reinforcing steel bars can be filled and gaps formed by the cement in the reinforcing steel bars are reduced;

s3, airing treatment: placing the injected cement pipeline, drying the cement injected with the reinforcing steel bars in the sun, and treating the two injected ends after the cement is dried in the sun;

s4, secondary pretreatment, namely, roughening the inner parts of the two ends of the water pipeline, wherein one end of the cement pipeline is roughened, and the other end of the cement pipeline is roughened;

s5, performing discharge treatment, namely hoisting the cement pipeline by using a crane, and discharging the cement pipeline in place according to the paying-off position, so that the port to be connected and the connected port of the cement pipeline are all inserted into the connecting port of the gas cement pipeline, and the cement pipeline needs to be plugged under the condition of not stopping the pressure of a water hose;

s6, plugging treatment: firstly, preparing a cloth strip or a waterproof cloth, preparing butter or a waterproof agent, pouring the butter on the cloth strip for wetting, or pouring the waterproof agent on the waterproof cloth for wetting to seal the joint of a cement pipeline, taking out the cement in S2, covering the surface of the cement, tamping by using a wood bar, and quickly drying the cement covered on the surface;

s7, appearance processing: unevenness can appear in the junction after covering, influences the outward appearance and can polish to unevenness's surface, perhaps does not polish, again with the cement pipeline carry on the cover of soil layer can.

2. The waterproof connecting method for cement pipelines according to claim 1, characterized in that: the cement powder in the step S2 is 100-300g, the water is 50-150g, and the proportion of the cement powder to the water is 0.3: 0.5.

3. the waterproof connecting method for cement pipelines according to claim 1, characterized in that: the distance for chiseling the two end parts of the cement pipeline in the step S4 is 100-200 mm.

4. The waterproof connecting method for cement pipelines according to claim 1, characterized in that: and the device required by the cement powder and the water in the step S2 is a stirrer.

5. The waterproof connecting method for cement pipelines according to claim 1, characterized in that: and the stirring time of the cement powder and the water in the step S2 is 2-5 min.

6. The waterproof connecting method for cement pipelines according to claim 1, characterized in that: the mass of the butter in the step S6 is 10-50 g.

7. The waterproof connecting method for cement pipelines according to claim 1, characterized in that: the mass of the waterproof agent in the step S6 is 20-40 g.

8. The waterproof connecting method for cement pipelines according to claim 1, characterized in that: the density of the butter and the waterproofing agent is less than that of water seal.

Technical Field

The invention relates to the technical field of cement pipelines, in particular to a waterproof connecting method for a cement pipeline.

Background

The cement pipe is a preset pipeline made of cement and steel bars by applying the principle of telegraph pole centrifugal force, is also called a cement pressure pipe and a reinforced concrete pipe, can be used as a sewer pipeline in urban construction foundations, can discharge sewage and flood control drainage, and can be used as a water supply pipe and a farmland motor-pumped well in special factories and mines. The method generally comprises the following steps: the flat reinforced concrete cement pipe, the flexible tongue-and-groove reinforced concrete cement pipe, the bell and spigot reinforced concrete cement pipe, the F-shaped steel bell mouth cement pipe, the flat lantern ring joint cement pipe, the tongue-and-groove cement pipe and the like are made of plastic concrete, and the pipe wall structure is layered after molding, so that the load resistance of the concrete is influenced; the concrete is usually C30 in the label, and can also be C40, but the concrete strength of the pipe mouth is lower than that of the pipe body, so that the pipe mouth is not suitable for being used as a jacking pipe; when in forming, the pipe die is horizontally arranged on a centrifuge to rotate at high speed, the reinforcing mesh moves along with the pipe die, two conditions which influence the service life of the pipe can be generated, the phenomena of rib leakage and rib leakage can be generated when welding spots of the reinforcing mesh are not firm, and the pipe body is in a local non-rib state; the formed reinforcing mesh is difficult to center, the reinforcing mesh is eccentric, and the protective layer of the reinforcing mesh is uneven; the process needs a large number of moulds to ensure the yield, the size of each mould has deviation, and the split mould can also generate large deformation when being disassembled and assembled for long time, so that the deviation of the roundness, the pipe orifice verticality, the pipe diameter size and the pipe length size of the pipe is large, the installation quality of the engineering is influenced, the road surface is sunk due to leakage, and the soil and the underground water on the two sides of the pipe are polluted.

At present cement pipeline all carries out butt joint through burying formula, nevertheless when cement pipeline connects under the condition of not stopping hosepipe pressure, need close the water valve and connect, otherwise can lead to the junction to leak, how to advance the shutoff at cement pipeline under the condition of not stopping hosepipe pressure.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a waterproof connection method for a cement pipeline, which solves the problems that when the cement pipeline is connected under the condition of not stopping the water pressure, a water valve needs to be closed for connection, otherwise, the connection part leaks water, and how to plug the cement pipeline under the condition of not stopping the water pressure.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a waterproof connecting method for cement pipelines comprises the following steps:

s1, preparation: firstly, extending a reinforcing steel bar fixed in the inner cavity of the cement pipeline out of one end of the cement pipeline to form a connected port, and then extending a reinforcing steel bar at the other end of the cement pipeline out of the port to be connected;

s2, first pretreatment: preparing cement powder and water, mixing the cement powder and the water, stirring the cement powder and the water to form cement, preparing circular plates with the same size as a cement pipeline, piling the circular plates to be sleeved on the surfaces of the extending reinforcing steel bars, respectively injecting the stirred cement into the reinforcing steel bars at two ends, and extruding the cement between the reinforcing steel bars by using a wood bar to ensure that the cement in the reinforcing steel bars can be filled and gaps formed by the cement in the reinforcing steel bars are reduced;

s3, airing treatment: placing the injected cement pipeline, drying the cement injected with the reinforcing steel bars in the sun, and treating the two injected ends after the cement is dried in the sun;

s4, secondary pretreatment, namely, roughening the inner parts of the two ends of the water pipeline, wherein one end of the cement pipeline is roughened, and the other end of the cement pipeline is roughened;

s5, performing discharge treatment, namely hoisting the cement pipeline by using a crane, and discharging the cement pipeline in place according to the paying-off position, so that the port to be connected and the connected port of the cement pipeline are all inserted into the connecting port of the gas cement pipeline, and the cement pipeline needs to be plugged under the condition of not stopping the pressure of a water hose;

s6, plugging treatment: firstly, preparing a cloth strip or a waterproof cloth, preparing butter or a waterproof agent, pouring the butter on the cloth strip for wetting, or pouring the waterproof agent on the waterproof cloth for wetting to seal the joint of a cement pipeline, taking out the cement in S2, covering the surface of the cement, tamping by using a wood bar, and quickly drying the cement covered on the surface;

s7, appearance processing: unevenness can appear in the junction after covering, influences the outward appearance and can polish to unevenness's surface, perhaps does not polish, again with the cement pipeline carry on the cover of soil layer can.

Preferably, the cement powder in the step S2 is 100-300g, the water is 50-150g, and the ratio of the cement powder to the water is 0.3: 0.5.

preferably, the distance for chiseling the two end parts of the cement pipeline in the step S4 is 100-200 mm.

Preferably, the device required for the cement powder and the water in the step S2 is a stirrer.

Preferably, the stirring time of the cement powder and the water in the step of S2 is 2-5 min.

Preferably, the mass of the butter in the step S6 is 10-50 g.

Preferably, the mass of the water repellent in the step S6 is 20-40 g.

Preferably, the butter and water repellent have a density less than the water seal.

(III) advantageous effects

The invention provides a waterproof connection method for a cement pipeline. Compared with the prior art, the method has the following beneficial effects:

(1) the cement pipeline waterproof connection method comprises the steps of firstly extending reinforcing steel bars fixed in the inner cavity of a cement pipeline out of one end of the cement pipeline to form a connected port, then extending reinforcing steel bars at the other end of the cement pipeline to form a port to be connected, preparing cement powder and water to be mixed, stirring the cement powder and the water to form cement, stacking circular plates with the same size as the cement pipeline to be sleeved on the surface of the extending reinforcing steel bars, respectively injecting the stirred cement into the reinforcing steel bars at two ends, extruding the cement between the reinforcing steel bars by using a wood bar to ensure that the cement in the reinforcing steel bars can be filled fully, reducing gaps formed by the cement in the reinforcing steel bars, then placing the cement pipeline after injection, drying the cement injected into the reinforcing steel bars in the sun, treating the injected two ends, and chiseling the two end parts, wherein, the surface of one end of the cement pipeline is chiseled, the other end of the cement pipeline is chiseled internally, the cement pipeline is hoisted by a crane and is discharged in place according to a paying-off position, the port to be connected and the port to be connected of the cement pipeline are all inserted into a connector of the gas cement pipeline, the cement pipeline needs to be blocked under the condition of not stopping water pressure, the joint part after being covered can be uneven, the uneven surface can be polished or not polished after the appearance is influenced, the cement pipeline is covered by a soil layer, by firstly preparing a cloth strip or a waterproof cloth, in addition, preparing butter or a waterproof agent, pouring the butter on the cloth strip for rubbing wet, or pouring the waterproof agent on the waterproof cloth for rubbing wet to block the joint part of the cement pipeline, then taking out the cement in S2 and covering the surface of the waterproof cloth, carry out the tamping with the stick, air-dry fast at the cement to the shrouding surface, can solve the cement pipeline and connect when the cement pipeline is being connected under the condition of not stopping hosepipe pressure, need close the water valve and connect, otherwise can lead to the junction to leak, how to advance the problem of shutoff at the cement pipeline under the condition of not stopping hosepipe pressure.

Drawings

FIG. 1 is a flow chart of the method of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.