High-temperature-resistant valve seat ring of boiler soot blower

Abstract

The utility model relates to the technical field of boiler soot blower valve seat rings, and discloses a high-temperature-resistant boiler soot blower valve seat ring which comprises a valve seat ring body, a through hole is formed in the top of the valve seat ring body, the valve seat ring body comprises a base layer, the inner surface of the base layer is fixedly connected with an anti-corrosion layer, and the inner surface of the base layer is fixedly connected with an anti-corrosion layer. According to the boiler soot blower valve seat ring, the purposes of high temperature resistance, high strength, corrosion resistance and abrasion resistance are achieved, the defects of a boiler soot blower valve seat ring in the prior art in the use process are overcome, if the boiler soot blower valve seat ring does not have the advantage of high temperature resistance, the boiler soot blower valve seat ring can not be damaged, and the service life of the boiler soot blower valve seat ring is prolonged. The utility model solves the problems that the valve seat ring of the boiler soot blower is easy to deform due to heating, so that the normal use of the valve seat ring of the boiler soot blower is influenced, the valve seat ring does not have the advantages of high strength, corrosion resistance and wear resistance, the service life of the valve seat ring of the boiler soot blower is shortened, and the current market demand cannot be met.

Description

Technical Field

[0001] The utility model relates to the technical field of valve seat rings for boiler soot blowers, in particular to a high-temperature resistant valve seat ring for boiler soot blowers. Background Art

[0002] At present, the sootblowing equipment installed in power station boilers are mainly steam sootblower, sonic sootblower and shock wave sootblower. Steam sootblower is a traditional sootblower, which is currently the most widely used and most effective one. It is a must for boiler sootblowing. The valve seat ring of the boiler sootblower is a component of the sootblower.

[0003] The boiler sootblower valve seat ring in the prior art has some defects in use. For example, it does not have the advantage of high temperature resistance, which easily causes the boiler sootblower valve seat ring to deform due to heat, thereby affecting the normal use of the boiler sootblower valve seat ring. It also does not have the advantages of high strength, corrosion resistance and wear resistance, which reduces the service life of the boiler sootblower valve seat ring and cannot meet the needs of today's market.

[0004] To this end, we provide a high temperature resistant boiler sootblower valve seat ring to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a high-temperature resistant valve seat ring for a boiler sootblower, which has the advantages of high temperature resistance, high strength, corrosion resistance and wear resistance, and solves the problems mentioned in the background technology.

[0006] In order to achieve the above-mentioned purposes of high temperature resistance, high strength, corrosion resistance and wear resistance, the utility model provides the following technical solutions: a high temperature resistant boiler sootblower valve seat ring, comprising a valve seat ring body, a through hole is opened on the top of the valve seat ring body, the valve seat ring body comprises a base layer, the inner surface of the base layer is fixedly connected with an anti-corrosion layer, the outer surface of the base layer is fixedly connected with a reinforcement layer, the outer surface of the reinforcement layer is fixedly connected with an insulating layer, the outer surface of the insulating layer is fixedly connected with a high temperature resistant layer, and the outer surface of the high temperature resistant layer is fixedly connected with a weather resistant layer.

[0007] Preferably, the base layer is made of carbon steel and has a thickness of 0.4 cm.

[0008] Preferably, the anti-corrosion layer is made of polyimide material, and the thickness of the anti-corrosion layer is 0.05 cm.

[0009] Preferably, the reinforcement layer comprises a first strength layer and a second strength layer, and the thickness of the first strength layer is consistent with that of the second strength layer.

[0010] Preferably, the first strength layer is made of titanium nitride material, and the second strength layer is made of chromium nitride material.

[0011] Preferably, the insulating layer is made of KNM1000 insulating material, and the high temperature resistant layer is made of phenolic resin material.

[0012] Preferably, the material of the weather-resistant layer is a metal-based ceramic composite material, and the thickness of the weather-resistant layer is 0.05 cm.

[0013] Compared with the prior art, the utility model provides a high temperature resistant valve seat ring for a boiler sootblower, which has the following beneficial effects:

[0014] The utility model achieves the purposes of high temperature resistance, high strength, corrosion resistance and wear resistance, and solves some defects in the use of the valve seat ring of the boiler sootblower in the prior art, such as the lack of high temperature resistance, which easily causes the valve seat ring of the boiler sootblower to deform due to heat, thereby affecting the normal use of the valve seat ring of the boiler sootblower, and the lack of high strength, corrosion resistance and wear resistance, which reduces the service life of the valve seat ring of the boiler sootblower and cannot meet the current market demand. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the main material composition of the valve seat ring of the utility model;

[0017] Figure 3 This is a schematic diagram of the composition of the reinforcing layer material of the utility model.

[0018] Among them: 1. Valve seat ring body; 2. Through hole; 3. Base layer; 4. Anti-corrosion layer; 5. Reinforcement layer; 6. Insulation layer; 7. High temperature resistant layer; 8. Weather resistant layer; 9. First strength layer; 10. Second strength layer. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] For specific embodiment 1, please refer to Figure 1-3The utility model is a high-temperature resistant valve seat ring for a boiler sootblower, comprising a valve seat ring body 1, a through hole 2 being opened on the top of the valve seat ring body 1, the valve seat ring body 1 comprising a base layer 3, an anti-corrosion layer 4 being fixedly connected to the inner surface of the base layer 3, a reinforcement layer 5 being fixedly connected to the outer surface of the base layer 3, an insulating layer 6 being fixedly connected to the outer surface of the reinforcement layer 5, a high-temperature resistant layer 7 being fixedly connected to the outer surface of the insulating layer 6, and a weather-resistant layer 8 being fixedly connected to the outer surface of the high-temperature resistant layer 7.

[0021] Specifically: by arranging the valve seat ring body 1, the through hole 2, the base layer 3, the anti-corrosion layer 4, the reinforcement layer 5, the insulation layer 6, the high temperature resistant layer 7 and the weather resistant layer 8, the purpose of high temperature resistance, high strength, corrosion resistance and wear resistance is achieved, and some defects of the boiler sootblower valve seat ring in the prior art in use are solved, such as it does not have the advantage of high temperature resistance, which easily causes the boiler sootblower valve seat ring to be deformed by heat, thereby affecting the normal use of the boiler sootblower valve seat ring, and it does not have the advantages of high strength, corrosion resistance and wear resistance, which reduces the service life of the boiler sootblower valve seat ring and cannot meet the current market demand.

[0022] For specific embodiment 2, please refer to Figure 1-3 On the basis of the specific embodiment 1, the material of the base layer 3 is carbon steel material, the thickness of the base layer 3 is 0.4 cm, the material of the anti-corrosion layer 4 is polyimide material, the thickness of the anti-corrosion layer 4 is 0.05 cm, the reinforcement layer 5 includes a first strength layer 9 and a second strength layer 10, the thickness of the first strength layer 9 is consistent with that of the second strength layer 10, the material of the first strength layer 9 is titanium nitride material, the material of the second strength layer 10 is chromium nitride material, the material of the insulating layer 6 is KNM1000 insulating material, the material of the high temperature resistant layer 7 is phenolic resin material, the material of the weather-resistant layer 8 is a metal-based ceramic composite material, and the thickness of the weather-resistant layer 8 is 0.05 cm.

[0023] Specifically: by setting the valve seat ring body 1, it is used to make the valve body, by setting the through hole 2, it is used to connect the valve stem, and by setting the base layer 3, the carbon steel material has the following advantages: strong corrosion resistance: it can resist the erosion of various corrosive media and is not easy to rust; high strength: it has good mechanical properties and is strong and durable; beautiful appearance: the surface is bright and neat, and has good decorative effect; high temperature resistance: it can maintain stable performance at high temperatures. By setting the anti-corrosion layer 4, the polyimide material has the following advantages: excellent insulation performance: it can provide reliable electrical insulation; strong high temperature resistance: it can maintain stable performance in a wide temperature range and can withstand high temperatures for a long time; good chemical corrosion resistance: it has good tolerance to a variety of chemical substances; strong mechanical High strength: has certain tensile and impact resistance; good dimensional stability: not easy to deform significantly due to temperature and other factors. By setting the insulation layer 6, KNM1000 insulation material has the following advantages: Excellent electrical insulation: its surface resistivity is stable, which can effectively prevent current leakage and short circuit, ensuring the normal operation of electronic equipment; Good thermal performance: the material has good heat resistance, can maintain stable insulation performance in high temperature environment, and extend the service life of electronic equipment; High adhesion: the coating has strong adhesion to the metal surface, is not easy to fall off, and can provide long-lasting insulation protection; Good wear resistance: KNM1000 insulation material has high hardness and wear resistance, can resist friction and wear, and protect the metal surface from damage. By setting High temperature resistant layer 7, phenolic resin material has the following advantages: good corrosion resistance: it has a certain resistance to some corrosive substances such as acids and alkalis; high temperature resistance: it can maintain stable performance at a certain temperature; relatively low cost: the raw materials are relatively common and the price is relatively economical; good insulation: it has certain electrical insulation performance; good hardness: it can provide a certain degree of surface protection, and by setting a weather-resistant layer 8, metal-based ceramic composite materials have the following advantages: high specific strength and specific modulus: it has both high strength and good rigidity; good wear resistance: it can effectively resist wear and extend service life; high temperature resistance: it can maintain good performance at higher temperatures; good thermal shock resistance: it can adapt to rapid changes in temperature; high dimensional stability: it is not easy to produce due to factors such as temperature The first strength layer 9 is provided, and the titanium nitride material has the following advantages: high hardness and wear resistance: it can significantly improve the wear resistance of stainless steel and reduce wear; good corrosion resistance: it has a certain resistance to many corrosive media; golden appearance: it has a beautiful color and can also have a decorative effect; low friction coefficient: it can reduce friction resistance; high temperature stability: the performance is relatively stable within a certain high temperature range. By providing the second strength layer 10, the chromium nitride material has the following advantages: high hardness: it has extremely high hardness and can be used to enhance the wear resistance of the material; good wear resistance: it is a good wear-resistant material and can effectively extend the service life of the product; excellent corrosion resistance: it can remain stable in various corrosive environments and is not easily corroded;High temperature stability: It can maintain its performance under high temperature conditions and is suitable for high temperature working environment. ;

[0024] When in use, a valve seat ring body 1 is provided to make a valve body, a through hole 2 is provided to connect a valve stem, and a base layer 3 is provided to ensure the basic strength and high temperature resistance of the valve seat ring of the boiler sootblower. An anti-corrosion layer 4 is provided to improve the anti-corrosion ability of the valve seat ring of the boiler sootblower, thereby preventing the inner wall of the valve seat ring of the boiler sootblower from being corroded by water vapor and rusting. An insulating layer 6 is provided to improve the insulation ability of the outer surface of the valve seat ring of the boiler sootblower, thereby improving the safety of the valve seat ring of the boiler sootblower when in use. A high temperature resistant layer 7 is provided to improve the high temperature resistance of the valve seat ring of the boiler sootblower, thereby further preventing the valve seat ring of the boiler sootblower from being deformed by heat. A weather resistant layer 8 is provided to improve the corrosion resistance and wear resistance of the valve seat ring of the boiler sootblower, thereby preventing the valve seat ring of the boiler sootblower from being damaged during use. A first strength layer 9 and a second strength layer 10 are provided, and the use strength of the valve seat ring of the boiler sootblower is improved through the combination of the two materials, thereby preventing the valve seat ring of the boiler sootblower from being easily deformed.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high temperature resistant valve seat ring for a boiler sootblower, comprising a valve seat ring body (1), characterized in that: A through hole (2) is provided at the top of the valve seat ring body (1), and the valve seat ring body (1) comprises a base layer (3), an inner surface of the base layer (3) is fixedly connected with an anti-corrosion layer (4), an outer surface of the base layer (3) is fixedly connected with a reinforcement layer (5), an outer surface of the reinforcement layer (5) is fixedly connected with an insulation layer (6), an outer surface of the insulation layer (6) is fixedly connected with a high-temperature resistant layer (7), and an outer surface of the high-temperature resistant layer (7) is fixedly connected with a weather-resistant layer (8).

2. The high temperature resistant valve seat ring for boiler sootblower according to claim 1, characterized in that: The base layer (3) is made of carbon steel and has a thickness of 0.4 cm.

3. A high temperature resistant valve seat ring for a boiler sootblower according to claim 1 or 2, characterized in that: The material of the anti-corrosion layer (4) is polyimide material, and the thickness of the anti-corrosion layer (4) is 0.05 cm.

4. A high temperature resistant valve seat ring for a boiler sootblower according to claim 1 or 2, characterized in that: The reinforcement layer (5) comprises a first strength layer (9) and a second strength layer (10), and the thickness of the first strength layer (9) is consistent with that of the second strength layer (10).

5. The high temperature resistant valve seat ring for boiler sootblower according to claim 4, characterized in that: The material of the first strength layer (9) is titanium nitride material, and the material of the second strength layer (10) is chromium nitride material.

6. A high temperature resistant valve seat ring for a boiler sootblower according to claim 1 or 2, characterized in that: The material of the insulating layer (6) is KNM1000 insulating material, and the material of the high temperature resistant layer (7) is phenolic resin material.

7. A high temperature resistant valve seat ring for a boiler sootblower according to claim 1 or 2, characterized in that: The material of the weather-resistant layer (8) is a metal-based ceramic composite material, and the thickness of the weather-resistant layer (8) is 0.05 cm.

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