CN213148698U - Gas corrosion resistance test device for material - Google Patents

Abstract

The utility model discloses a material gas corrosion resistance test device, including heat preservation layer shell, the heat preservation layer shell is embedded to have a jar body, and the flange outside is provided with the asbestos pad through bolt and trompil flange blind flange fixed connection, flange and trompil flange blind flange within a definite time respectively. Heating coil winding is at the heating of jar external wall, both avoid with jar internal corrosive gas contact and damage, jar body and cutting ferrule formula check valve pass through connecting line C and adopt the extension design, make jar the body in the highest temperature can far exceed the tolerance temperature of fluororubber circle in the cutting ferrule formula check valve, satisfy the high temperature test requirement, gas generator has been simplified, can avoid the leakage of junction again, and the operation is thus simple, this equipment welding department all adopts argon arc to weld, can guarantee welded gas tightness, improve the safety in utilization, through heating coil and temperature sensor, can free control and keep the temperature, the intensification is fast, it is convenient to control.

Description

Gas corrosion resistance test device for material

Technical Field

The utility model relates to a material corrosion resistance test device technical field specifically is a material gas corrosion resistance test device.

Background

With the improvement of the requirement of the field of waste gas treatment, different temperatures and pollutant components are met, particularly, corrosive extremely toxic pollutants are treated at high temperature, the selection of materials of treatment equipment becomes a difficult problem, in different pollutant treatment occasions, the selection of corrosion-resistant materials suitable for the materials becomes an important link for the development of gas environment-friendly equipment, in order to verify the corrosion resistance of the materials at high temperature, economic, convenient, safe and reliable test equipment is needed, the traditional test equipment is complex in structure and high in cost, the materials cannot be used at high temperature generally due to the tolerance temperature limit of the fluororubber ring of the sealing material, the risk of toxic gas leakage exists, and the design of a gas corrosion resistance test device of the materials is necessary for overcoming the defects.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a material gas corrosion resistance test device, heating coil and temperature sensor are fixedly connected for temperature regulation and maintenance, do not need to be watched, heating coil is wound on the outer wall of the tank body for heating, not only avoiding being damaged by contacting with corrosive gas in the tank body, but also avoiding the corrosion product of heating coil from falling off and interfering with the test result, the tank body and the cutting ferrule type one-way valve adopt the lengthening design through the connecting pipeline C, so that the highest temperature in the tank body can far exceed the tolerance temperature of the fluororubber ring in the cutting ferrule type one-way valve, the high temperature test requirement is met, the gas generating device is simplified, the leakage of the connecting part can be avoided, the operation is simple, the welding part of the device adopts argon arc welding, the welding air tightness can be ensured, the use safety is improved, the temperature can be freely controlled and kept through heating coil and temperature sensor, the control is convenient and fast, and the problems in the prior art can be solved.

In order to achieve the above object, the utility model provides a following technical scheme:

a gas corrosion resistance test device for a material comprises a heat insulation layer shell, wherein a tank body is embedded in the heat insulation layer shell, heating coils are respectively wound on the outer wall of the tank body, two sides of the heat insulation layer shell are respectively and fixedly connected with flanges through bolts, the outer sides of the flanges are respectively and fixedly connected with perforated flange blind plates through bolts, and asbestos gaskets are arranged between the flanges and the perforated flange blind plates;

the center of the perforated flange blind plate is respectively connected with a connecting pipeline A in a soldering mode, one end of the connecting pipeline A is sleeved with an elbow, the connecting pipeline A is fixedly connected with a connecting pipeline C through the elbow, and the connecting pipeline C is sleeved with a ferrule type one-way valve;

the other end of the connecting pipeline A is sleeved with a tee joint, the connecting pipeline A is fixedly connected with the connecting pipeline B through the tee joint, the other end of the tee joint is connected with a pagoda joint in a soldering mode, and a thermocouple is arranged on one side of the pagoda joint.

Preferably, a thermocouple is arranged in the heating coil, and aluminum silicate heat insulation cotton is sleeved outside the heating coil.

Preferably, the other end of the connecting pipeline C is connected with the pagoda joint in a soldering mode.

Preferably, one end of the pagoda joint is sleeved with a tetrafluoro rubber pipe, and the tetrafluoro rubber pipe is an air inlet pipe.

Preferably, the heating coil is fixedly connected with the temperature sensor, and a fluororubber ring is arranged at the joint of the connecting pipeline C and the ferrule type one-way valve.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the gas corrosion resistance test device of the material has the advantages that the heating coil is fixedly connected with the temperature sensor and used for temperature regulation and maintenance without watching, the heating coil is wound on the outer wall of the tank body for heating, the heating coil is prevented from being damaged due to contact with corrosive gas in the tank body, the corrosion product of the heating coil is prevented from falling off to interfere with the test result, two sides of the heat preservation shell are respectively and fixedly connected with the flange through bolts, the outer side of the flange is respectively and fixedly connected with the blind plate of the perforated flange through bolts, an asbestos gasket is arranged between the flange and the blind plate of the perforated flange, the test is convenient to replace, disassemble and seal and reliable, the connection part of the connecting pipeline C and the ferrule type one-way valve is provided with the fluororubber ring, the highest temperature in the tank body can far exceed the tolerance temperature of the fluororubber ring in the ferrule type one-, the gas is kept in the tank body by utilizing the ferrule type one-way valve, meanwhile, the pressure is automatically released in the temperature rising process, the pressure in the tank body is prevented from rising and exploding, the pressure in the tank body is always kept at the opening pressure of the ferrule type one-way valve, the gas is automatically supplemented in the temperature reduction process, the opening pressure of the ferrule type one-way valve is achieved in the tank body, after the whole system is built, the welding quality of each welding part needs to be checked, the test system can start to test just by testing the gas tightness, so as to prevent toxic gas leakage and toxic accidents, the tank body is filled with the test gas only once, the flange is screwed down, then the hydrogen chloride gas is introduced, the temperature rising is started until the whole tank body is filled with the gas, the trouble of toxic gas collection and treatment caused by continuous ventilation is avoided, the test gas generated by the evaporation of the solution can be, after the test reaches predetermined cycle, open the flange, take out sample measurement record test data, both simplified gas generator, can avoid the leakage of junction again, easy operation, this equipment welding department all adopts argon arc to weld, can guarantee welded gas tightness, improves the safety in utilization, through heating coil and temperature sensor, can freely control and keep the temperature, and the intensification is fast, and control is convenient.

Drawings

Fig. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a top sectional view of the overall structure of the present invention;

fig. 3 is a partial structural sectional view of the present invention.

In the figure: 1. a tank body; 2. a flange; 3. opening a flange blind plate; 4. an asbestos gasket; 5. a cutting sleeve type one-way valve; 6. bending the pipe; 7. a tee joint; 8. connecting a pipeline A; 9. a connecting pipeline B; 10. a pagoda joint; 11. a connecting pipeline C; 12. a heating coil; 13. a heat-insulating layer shell; 14. and a thermocouple.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a gas corrosion resistance test device for materials comprises a heat preservation layer shell 13, a tank body 1 is embedded in the heat preservation layer shell 13, a heating coil 12 is respectively wound on the outer wall of the tank body 1, a thermocouple 14 is arranged in the heating coil 12, aluminum silicate heat preservation cotton is sleeved outside the heating coil 12, the heating coil 12 is fixedly connected with a temperature sensor for temperature adjustment and maintenance without watching, the heating coil 12 is wound on the outer wall of the tank body 1 for heating, not only the heating coil is prevented from being damaged by contacting with corrosive gas in the tank body 1, but also the corrosion product of the heating coil 12 is prevented from falling off to interfere with the test result, two sides of the heat preservation layer shell 13 are respectively fixedly connected with flanges 2 through bolts, the outer sides of the flanges 2 are respectively fixedly connected with perforated flange blind plates 3 through bolts, asbestos gaskets 4 are arranged between the flanges 2 and the perforated, the center of the perforated flange blind plate 3 is respectively connected with a connecting pipeline A8 in a soldering way, one end of the connecting pipeline A8 is sleeved with an elbow 6, the connecting pipeline A8 is fixedly connected with a connecting pipeline C11 through the elbow 6, the other end of the connecting pipeline C11 is connected with a pagoda joint 10 in a soldering way, a cutting sleeve type one-way valve 5 is sleeved on a connecting pipeline C11, a fluorine rubber ring is arranged at the joint of the connecting pipeline C11 and the cutting sleeve type one-way valve 5, the tank body 1 and the cutting sleeve type one-way valve 5 adopt an extension design through the connecting pipeline C11, so that the highest temperature in the tank body 1 can far exceed the tolerance temperature of the fluorine rubber ring in the cutting sleeve type one-way valve 5, the high temperature test requirement is met, the gas is kept in the tank body 1 by the cutting sleeve type one-way valve 5, meanwhile, the pressure of the tank body 1 is prevented from rising and being exploded during the temperature rising, the, the inside of the tank body 1 reaches the opening pressure of a cutting sleeve type check valve 5, the other end of a connecting pipeline A8 is sleeved with a tee joint 7, the connecting pipeline A8 is fixedly connected with a connecting pipeline B9 through the tee joint 7, the other end of the tee joint 7 is connected with a pagoda joint 10 in a soldering mode, one end of the pagoda joint 10 is sleeved with a tetrafluoro rubber pipe which is an air inlet pipe, the air inlet pipe is connected with gas generation experimental equipment, the connecting pipeline C11 is an air outlet pipe which is connected with gas collecting equipment, a thermocouple 14 is arranged on one side of the pagoda joint 10, after the whole system is set up, the welding quality of each welding part needs to be checked, the test system can start to test in air tightness to prevent toxic gas leakage and toxic accidents, the test gas only needs to fill the tank body 1 once, the flange 2 is screwed down, then hydrogen chloride gas is introduced, the temperature rises until the whole tank, can utilize the test gas that solution evaporation generated can directly arrange solution in jar body 1 inside, set up the temperature that needs, the system begins to heat up, after the test reaches predetermined cycle, open flange 2, take out sample measurement record test data, gas generator has both been simplified, can avoid the leakage of junction again, therefore, the steam generator is simple in operation, this equipment welding department all adopts argon arc welding, can guarantee welded gas tightness, improve the safety in utilization, through heating coil 12 and temperature sensor, can freely control and keep the temperature, the rising temperature is fast, and it is convenient to control.

In conclusion, in the gas corrosion resistance test device of the material, the heating coil 12 is fixedly connected with the temperature sensor and used for temperature regulation and maintenance without watching, the heating coil 12 is wound on the outer wall of the tank body 1 for heating, so that the heating coil is prevented from being damaged due to contact with corrosive gas in the tank body 1 and also prevented from falling off and interfering with test results due to corrosion products of the heating coil 12, two sides of the heat preservation layer shell 13 are respectively and fixedly connected with the flange 2 through bolts, the outer side of the flange 2 is respectively and fixedly connected with the perforated flange blind plate 3 through bolts, the asbestos gasket 4 is arranged between the flange 2 and the perforated flange blind plate 3, the test, the assembly and the disassembly are convenient, the sealing is reliable, the fluorine rubber ring is arranged at the joint of the connecting pipeline C11 and the cutting sleeve type check valve 5, the tank body 1 and the cutting sleeve type check valve 5 adopt the lengthening design through the connecting pipeline C11, so that the highest, the high-temperature test requirement is met, the gas is kept in the tank body 1 by the ferrule type one-way valve 5, meanwhile, the pressure is automatically released in the temperature rise process, the tank body 1 is prevented from being exploded due to pressure rise, the pressure in the tank body 1 is always kept at the opening pressure of the ferrule type one-way valve 5, the gas is automatically supplemented in the temperature reduction process, the opening pressure of the ferrule type one-way valve 5 is achieved in the tank body 1, after the whole system is built, the welding quality of each welding part needs to be checked, the test system can start to test in the air tightness, so that toxic gas leakage is prevented, toxic accidents are caused, the test gas only needs to be filled in the tank body 1 once, the flange 2 is screwed, then hydrogen chloride gas is introduced, the temperature rise is started until the gas is filled in the whole tank body 1, the trouble of toxic gas collection and treatment caused by continuous ventilation is avoided, and the, set up the temperature that needs, the system begins to heat up, and after the test reached predetermined cycle, open flange 2, take out sample measurement record test data, both simplified gas generating device, can avoid the leakage of junction again, easy operation, this equipment welding department all adopts argon arc welding, can guarantee welded gas tightness, improves the safety in utilization, through heating coil 12 and temperature sensor, can freely control and keep the temperature, and it is fast to heat up, and control is convenient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims (5)

1. The utility model provides a material gas corrosion resistance test device, includes heat preservation layer shell (13), its characterized in that: a tank body (1) is embedded in the heat-insulating layer shell (13), heating coils (12) are wound on the outer wall of the tank body (1) respectively, two sides of the heat-insulating layer shell (13) are fixedly connected with flanges (2) through bolts respectively, the outer sides of the flanges (2) are fixedly connected with perforated flange blind plates (3) through bolts respectively, and asbestos gaskets (4) are arranged between the flanges (2) and the perforated flange blind plates (3);

the center of the perforated flange blind plate (3) is respectively connected with a connecting pipeline A (8) in a soldering way, one end of the connecting pipeline A (8) is sleeved with an elbow (6), the connecting pipeline A (8) is fixedly connected with a connecting pipeline C (11) through the elbow (6), and the connecting pipeline C (11) is sleeved with a cutting sleeve type one-way valve (5);

the other end of the connecting pipeline A (8) is sleeved with a tee joint (7), the connecting pipeline A (8) is fixedly connected with a connecting pipeline B (9) through the tee joint (7), the other end of the tee joint (7) is connected with a pagoda joint (10) in a soldering mode, and a thermocouple (14) is arranged on one side of the pagoda joint (10).

2. The device for testing the gas corrosion resistance of the material according to claim 1, wherein: a thermocouple (14) is arranged in the heating coil (12), and aluminum silicate heat-insulating cotton is sleeved outside the heating coil (12).

3. The device for testing the gas corrosion resistance of the material according to claim 1, wherein: the other end of the connecting pipeline C (11) is connected with the pagoda joint (10) in a soldering mode.

4. The device for testing the gas corrosion resistance of the material according to claim 1, wherein: one end of the pagoda joint (10) is sleeved with a tetrafluoro rubber pipe which is an air inlet pipe.

5. The device for testing the gas corrosion resistance of the material according to claim 1, wherein: the heating coil (12) is fixedly connected with the temperature sensor, and a fluororubber ring is arranged at the joint of the connecting pipeline C (11) and the ferrule type one-way valve (5).

Images