阅读说明：本技术 一种建筑工程预埋外露钢筋防锈装置及其操作方法 (Rust prevention device for embedded exposed steel bars in constructional engineering and operation method of rust prevention device ) 是由 叶胜军 汪静 于 2019-11-12 设计创作，主要内容包括：本发明公开一种建筑工程预埋外露钢筋防锈装置及其操作方法,该耗氧防锈装置包括依次连通连接的耗氧球壳、导管和加热球壳,所述耗氧球壳固设于所述防锈套管,所述耗氧球壳底部设置有出气管,所述导管设置于所述耗氧球壳底部偏上侧,所述加热球壳上设置有连接管,所述连接管与所述导管可拆卸连接,所述加热球壳内设置有耗氧反应物。本发明中的耗氧防锈装置消耗防锈套管内氧气,并隔绝外界空气,使得钢筋氧化生锈条件大大受限,起到良好的防锈效果,同时本发明无需抽真空,方便操作。(The invention discloses an anti-rust device for embedded exposed reinforcing steel bars in constructional engineering and an operation method thereof. The oxygen-consuming and rust-proof device consumes oxygen in the rust-proof sleeve and isolates external air, so that the oxidation and rust-proof conditions of the steel bar are greatly limited, and a good rust-proof effect is achieved.)

1. The anti-rust device for the embedded exposed reinforcing steel bars in the building engineering comprises the exposed reinforcing steel bars (6), one ends of the exposed reinforcing steel bars (6) are embedded in embedded concrete (1), the other ends of the exposed reinforcing steel bars are arranged outside the embedded concrete (1) and sleeved with anti-rust sleeves (5), and the anti-rust device is characterized in that a sealing joint with a protection structure is arranged at a pipe orifice at one end of each anti-rust sleeve (5) and fixed on the embedded concrete (1), and an oxygen consumption anti-rust device is arranged at a pipe orifice at the other end of each anti-rust sleeve (5); consume oxygen anti-rust device including the consumption oxygen ball shell (7), pipe (8) and the heating ball shell (10) that communicate the connection in proper order, consume oxygen ball shell (7) set firmly in rust-resistant sleeve pipe (5), it is provided with outlet duct (13) to consume oxygen ball shell (7) bottom, pipe (8) set up in consume oxygen ball shell (7) upside on the side of bottom, be provided with connecting pipe (9) on heating ball shell (10), connecting pipe (9) with pipe (8) can be dismantled the connection, be provided with in heating ball shell (10) and consume oxygen reactant (11).

2. The embedded exposed steel bar rust prevention device for the building engineering as claimed in claim 1, wherein the oxygen-consuming reactant (11) is aluminum powder and/or magnesium powder.

3. The embedded exposed steel bar rust prevention device for the constructional engineering as claimed in claim 1, wherein the pipe diameter of the connecting pipe (9) is larger than that of the conduit (8), and the conduit (8) is sleeved on the connecting pipe (9) and in threaded connection with the connecting pipe.

4. The embedded exposed steel bar rust prevention device for the building engineering as claimed in claim 1, wherein the air outlet pipe (13) is provided with a one-way air outlet valve (12).

5. The embedded exposed steel bar rust prevention device for building engineering according to claim 1, wherein the sealing joint comprises a sealing tube seat (4) fixedly arranged on the exposed steel bar (6), a protective cover (2) is fixedly connected to the outer side of the sealing tube seat (4), a cover opening of the protective cover (2) is fixed on the embedded concrete (1), and a through hole (3) is formed in the middle of the protective cover (2).

6. The embedded exposed steel bar rust prevention device for the building engineering according to claim 5, wherein a sealing rubber sleeve (14) is arranged between the sealing tube seat (4) and the exposed steel bar (6), and the length of the sealing rubber sleeve (14) is greater than that of the sealing tube seat (4).

7. The embedded exposed steel bar rust prevention device for building engineering according to claim 5, wherein an internal thread is arranged in the through hole (3), an external thread is arranged on the outer side of the sealing tube seat (4), and the protective cover (2) is in threaded connection with the sealing tube seat (4) through the through hole (3).

8. The embedded exposed steel bar rust prevention device for the building engineering according to claim 5, which is characterized in that: protective cover (2) flap with be provided with elastic rubber pad (15) between pre-buried concrete (1), just elastic rubber pad (15) length is greater than protective cover (2) flap width.

9. An operation method of an antirust device for embedded exposed steel bars in constructional engineering is characterized by comprising the following specific steps:

the method comprises the following steps: placing the antirust sleeve (5) on the exposed steel bar (6);

step two: installing a sealing joint at a pipe orifice of one end of the anti-rust sleeve (5) close to the embedded concrete (1), and installing an oxygen-consuming anti-rust device at a pipe orifice of the other end;

step three: the heating spherical shell (10) is heated, and the oxygen-consuming reactant (11) in the heating spherical shell reacts to consume air in the antirust sleeve (5) so as to form vacuum in the antirust sleeve (5).

The technical field is as follows:

the invention belongs to the technical field of antirust devices, and particularly relates to an antirust device for embedded exposed steel bars in constructional engineering and an operation method of the antirust device.

Background art:

the steel bar is steel for reinforced concrete and prestressed reinforced concrete. At present, embedded steel bars are often involved in the construction process of constructional engineering, most of the embedded steel bars are exposed, and subsequent installation and lap joint are facilitated. However, the exposed steel bars are easy to rust in the construction process, the cross section of the steel bars is weakened continuously along with time, and after concrete construction at the joint is caused, the whole structure forms a weak link at the joint and even causes structural damage accidents.

In addition, the Chinese patent granted publication No. CN103967287B, entitled "Embedded exposed Steel Bar Rust prevention device for constructional engineering", which discloses an Embedded exposed Steel Bar Rust prevention device for constructional engineering, comprises an antirust sleeve, a sealing device and an air suction hole, mainly utilizes the air suction hole to realize vacuum type rust prevention, however, the device needs additional vacuum pumping equipment and is inconvenient to operate.

The invention content is as follows:

in order to solve the defects in the prior art, the invention provides the rust prevention device for the embedded exposed reinforcing steel bars in the building engineering, which is convenient to operate, and the operation method thereof.

The technical scheme for solving the technical problem of the invention is as follows:

an anti-rust device for embedded exposed steel bars in constructional engineering comprises exposed steel bars, wherein one end of each exposed steel bar is embedded in embedded concrete, the other end of each exposed steel bar is arranged outside the embedded concrete and sleeved with an anti-rust sleeve, a sealing joint with a protective structure is arranged at a pipe orifice at one end of each anti-rust sleeve and fixed on the embedded concrete, and an oxygen-consuming anti-rust device is arranged at a pipe orifice at the other end of each anti-rust sleeve; consume oxygen anti-rust device including the consumption oxygen ball shell, pipe and the heating ball shell that communicate the connection in proper order, consume the oxygen ball shell set firmly in rust-resistant sleeve pipe, it is provided with the outlet duct to consume oxygen ball shell bottom, the pipe set up in consume the inclined to upper side in oxygen ball shell bottom, be provided with the connecting pipe on the heating ball shell, the connecting pipe with the connection can be dismantled to the pipe, be provided with in the heating ball shell and consume the oxygen reactant.

Further, the oxygen-consuming reactant is aluminum powder and/or magnesium powder.

Further, the pipe diameter of the connecting pipe is larger than that of the guide pipe, and the guide pipe is sleeved on the connecting pipe and is in threaded connection with the connecting pipe.

Furthermore, a one-way air outlet valve is arranged on the air outlet pipe.

Further, sealing joint including fixed set up in expose the sealing tube seat on the reinforcing bar, sealing tube seat outside fixedly connected with protective cover, the protective cover flap is fixed in pre-buried concrete just the through-hole has been seted up at the protective cover middle part.

Furthermore, a sealing rubber sleeve is arranged between the sealing pipe seat and the exposed steel bar, and the length of the sealing rubber sleeve is greater than that of the sealing pipe seat.

Further, an internal thread is arranged in the through hole, an external thread is arranged on the outer side of the sealing tube seat, and the protective cover is in threaded connection with the sealing tube seat through the through hole

Further, the protective cover flap with be provided with the elastic rubber pad between the pre-buried concrete, just elastic rubber pad length is greater than the protective cover flap width.

An operation method of an antirust device for embedded exposed steel bars in constructional engineering comprises the following steps:

the method comprises the following steps: placing the antirust sleeve on the exposed steel bar;

step two: installing a sealing joint at the pipe orifice of one end of the anti-rust sleeve close to the embedded concrete, and installing an oxygen-consuming anti-rust device at the pipe orifice of the other end;

step three: the heating spherical shell is heated, and the oxygen-consuming reactant inside the heating spherical shell reacts to consume air in the antirust sleeve, so that vacuum is formed in the antirust sleeve.

Compared with the prior art, the invention has the following beneficial effects: 1) the oxygen-consuming and rust-proof device consumes oxygen in the rust-proof sleeve and isolates external air, so that the oxidation and rust conditions of the steel bar are greatly limited, and a good rust-proof effect is achieved; 2) heating an oxygen-consuming reactant in the spherical shell, wherein the oxygen-consuming reactant consumes oxygen in the anti-rust sleeve pipe when being heated due to the heating of the spherical shell; 3) the oxygen consumption reactants are aluminum powder and magnesium powder, and react with oxygen to generate metal oxide in the heating process, and in addition, the aluminum powder and the magnesium powder react with water in the air in the heating process, so that the further water consumption is favorable for rust prevention; 4) the sealing rubber sleeve is arranged between the sealing pipe seat and the exposed steel bar, so that the sealing and fixing effects are further improved; 5) the operation method is simple, and the antirust effect is effectively improved.

Drawings

The invention is further described with reference to the following figures and detailed description:

FIG. 1 is a schematic structural view of an antirust device for embedded exposed steel bars in constructional engineering;

fig. 2 is a schematic structural diagram of a protective cover in an antirust device for embedded exposed steel bars in constructional engineering.

The numbers in the figures are as follows: 1-pre-burying concrete; 2-a protective cover; 3-a through hole; 4-sealing the tube seat; 5-antirust sleeve; 6-exposed steel bars; 7-oxygen consuming spherical shell; 8-a catheter; 9-connecting pipe; 10-heating the spherical shell; 11-an oxygen-consuming reactant; 12-one-way air outlet valve; 13-an air outlet pipe; 14-sealing rubber sleeve; 15-elastic rubber cushion.

Detailed Description