A reactor gas collection testing system

Abstract

The application provides a reactor gas collection testing system, which comprises an air inlet direction cover plate arranged on a manhole flange plate of a detachable lead riser seat of a high-voltage side of the reactor, a Φ100 ball valve is arranged on the air inlet direction cover plate, a sleeve replacement part is arranged for replacing a high-voltage sleeve of the reactor, a first Φ50 ball valve, a first transition flange, a second union pipe, a screw rod and a plug cover plate are sequentially arranged on the sleeve replacement part, a first union pipe, a second transition flange, a second Φ50 ball valve and a three-way union pipe are sequentially arranged between a pipe joint for air running of an upper cover plate of a high-voltage transformer riser seat of the reactor and a main union pipe, a gas charging device is arranged at the Φ100 ball valve, the first union pipe is connected with a Φ80 main union pipe on an oil tank cover, the Φ80 main union pipe is connected with a gas relay of the reactor, the system can safely, effectively and quickly measure the gas collection amount, provides a theoretical basis for subsequent structure improvement and effectively avoids accidents.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of transformers, and particularly relates to a reactor gas collection testing system. BACKGROUND

[0002] During the operation of a 1000kV reactor, gas is generated due to partial discharge or overheating caused by problems of the bushing or the lead connected thereto. There is an annular gap between the upper cover plate of the mutual inductor riser and the porcelain sleeve of the bushing. The gas floats upward along the outer limit of the porcelain sleeve, and is easily gathered in the gap in a large amount, and cannot pass through the gas running groove of the cover plate, the connecting pipe connected thereto and the gas relay in time, so that the alarm of the gas relay is delayed, and the probability of accidents is greatly increased. SUMMARY

[0003] To solve the above technical problems, the application provides a reactor gas collection testing system, which realizes safe, effective and rapid measurement of the gas gathering amount by replacing a series of simple components on the original reactor, provides a theoretical basis for subsequent structural improvement, and effectively avoids accidents.

[0004] The application provides a reactor gas collection testing system, which comprises:

[0005] An air inlet direction cover plate is arranged on a manhole flange plate of a high-voltage lead riser of the reactor, and a Φ100 ball valve is arranged on the air inlet direction cover plate.

[0006] A bushing replacement part is arranged for replacing the original high-voltage bushing of the reactor, and a first Φ50 ball valve, a first transition flange, a second connecting pipe, a screw rod and a plug cover plate are sequentially arranged on the bushing replacement part.

[0007] A first connecting pipe, a second transition flange, a second Φ50 ball valve and a three-way connecting pipe are sequentially arranged between a gas running pipe joint of an upper cover plate of a high-voltage mutual inductor riser of the reactor and a main connecting pipe.

[0008] A gas charging device is arranged at the Φ100 ball valve, the first connecting pipe is connected to a Φ80 main connecting pipe on an oil tank cover, and the Φ80 main connecting pipe is connected to a gas relay of the reactor.

[0009] Optionally, the number of the screw rods is two.

[0010] Optionally, oil is supplemented into the oil tank through an oil filter at the bottom of the oil tank during testing.

[0011] Optionally, the system further comprises an oil storage tank and a cooling device, and the oil storage tank and the cooling device are connected to the oil tank through valves.

[0012] Optionally, the first connecting pipe and the second connecting pipe are both transparent flexible pipes.

[0013] Optionally, the length of the first connecting pipe is 1580 mm, and the length of the second connecting pipe is 1000 mm.

[0014] Optionally, the length of the screw is 1050 mm.

[0015] The reactor gas collection test system of the present invention conducts tests by replacing the original components with test components. During the test, a fixed amount of gas is injected into the reactor body. After the gas rises and stabilizes, the gas storage and injection volume of the hose above the high voltage transformer and the gas relay are compared and the time required to reach a stable state is recorded, providing data reference for subsequent structural improvements and operation and maintenance. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of a reactor gas collection test system according to an embodiment of the present invention;

[0018] Figure 2 This is a schematic diagram of the structure of the first connecting pipe of a reactor gas collection test system according to an embodiment of the present invention;

[0019] Figure 3 This is a view from direction A of the first connecting pipe of a reactor gas collecting test system according to an embodiment of the present invention;

[0020] Figure 4 This is a B-direction view of the first connecting pipe of a reactor gas collecting test system according to an embodiment of the present invention;

[0021] Figure 5 This is a schematic diagram of the structure of the second connecting pipe of a reactor gas collection test system according to an embodiment of the present invention;

[0022] Figure 6 This is a view from direction A of the second connecting pipe of a reactor gas collecting test system according to an embodiment of the present invention;

[0023] Figure 7 This is a schematic diagram of the structure of a three-way connecting pipe for a reactor gas collection test system according to an embodiment of the present invention;

[0024] Figure 8 This is a view from direction A of a three-way connecting pipe of a reactor gas collecting test system according to an embodiment of the present invention;

[0025] Figure 9 B view of a tee pipe of a reactor gas collection test system according to an embodiment of the present application;

[0026] Figure 10 Structure diagram of a plug cover plate of a reactor gas collection test system according to an embodiment of the present application;

[0027] Figure 11 A-A view of a plug cover plate of a reactor gas collection test system according to an embodiment of the present application;

[0028] Figure 12 Structure diagram of a first transition flange of a reactor gas collection test system according to an embodiment of the present application;

[0029] Figure 13 A view of a first transition flange of a reactor gas collection test system according to an embodiment of the present application;

[0030] Figure 14 B view of a first transition flange of a reactor gas collection test system according to an embodiment of the present application;

[0031] Figure 15 Structure diagram of a second transition flange of a reactor gas collection test system according to an embodiment of the present application;

[0032] Figure 16 A view of a second transition flange of a reactor gas collection test system according to an embodiment of the present application;

[0033] Figure 17 B view of a second transition flange of a reactor gas collection test system according to an embodiment of the present application;

[0034] Figure 18 Structure diagram of a screw rod of a reactor gas collection test system according to an embodiment of the present application;

[0035] Figure 19 Structure diagram of a sleeve replacement of a reactor gas collection test system according to an embodiment of the present application;

[0036] Figure 20 A view of a sleeve replacement of a reactor gas collection test system according to an embodiment of the present application;

[0037] Figure 21 Structure diagram of an air inlet direction cover plate of a reactor gas collection test system according to an embodiment of the present application;

[0038] Figure 22It is an A view of an air inlet direction cover plate of a reactor gas collection test system according to an embodiment of the present application. DETAILED DESCRIPTION

[0039] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0040] Embodiment one:

[0041] The embodiment of the present application provides a reactor gas collection test system, Figure 1 It is a structural schematic diagram of a reactor gas collection test system according to an embodiment of the present application. Figures 2-22 It is a structural schematic diagram of a first connecting pipe, a second connecting pipe, a three-way connecting pipe, a cover plate with a plug, a first transition flange, a second transition flange, a screw rod, a sleeve replacement part and an air inlet direction cover plate in a reactor gas collection test system according to an embodiment of the present application.

[0042] As shown in Figures 1-22 The embodiment of the present application provides a reactor gas collection test system, which comprises: an air inlet direction cover plate 1 arranged on a manhole flange plate of a removable lead riser of a reactor high-voltage side, wherein a Φ100 ball valve 2 is installed on the air inlet direction cover plate 1.

[0043] A sleeve replacement part 3 is used for replacing a high-voltage sleeve of the reactor, wherein a first Φ50 ball valve 4, a first transition flange 5, a second connecting pipe 6, a screw rod 7 and a cover plate with a plug 8 are sequentially installed on the sleeve replacement part 3.

[0044] A first connecting pipe 9, a second transition flange 10, a second Φ50 ball valve 11 and a three-way connecting pipe 12 are sequentially arranged between a pipe joint for air running of an upper cover plate of a high-voltage transformer riser of the reactor and a main connecting pipe.

[0045] The Φ100 ball valve 2 is provided with a gas charging device, the first connecting pipe 9 is connected with a Φ80 main connecting pipe on an oil tank cover, and the Φ80 main connecting pipe is connected with a gas relay 13 of the reactor.

[0046] Optionally, the number of the screw rods 7 in the reactor gas collection test system according to the embodiment of the present application is two.

[0047] Optionally, the reactor gas collection test system according to the embodiment of the present application is used for supplementing oil into an oil tank through an oil filter at the bottom of the oil tank during test.

[0048] Optionally, the reactor gas collection test system of this embodiment of the invention further includes an oil tank and a cooling device, wherein the oil tank and the cooling device are connected to the oil tank through valves.

[0049] This invention first removes the manhole cover of the high-voltage side removable lead riser and replaces it with... Figure 21 and Figure 22 The air intake directional cover 1 is installed, and a Φ100 ball valve 2 is installed on this cover for air injection; the high-pressure bushing is removed and reinstalled in its original position. Figure 19 and Figure 20 Replacement sleeve 3, and refer to Figure 1 Install the first Φ50 ball valve 4 in sequence. Figures 12-14 First transition flange 5 Figure 5 and Figure 6 Second connecting pipe 6, Figure 18 Screw 7 and Figure 10 and Figure 11 8. Remove the plugged cover plate; remove the vent pipe joint from the upper cover plate of the high-voltage transformer riser to the Φ50 connecting pipe, bellows, Φ50 ball valve and pipe joint between the vent pipe joint and the Φ80 main connecting pipe, and refer to Figure 1 Install in sequence Figures 2-4 First connecting pipe 9, Figures 15-17 The second transition flange 10, the second Φ50 ball valve 11 and Figures 7-9 The three-way connector 12; Figure 21 and Figure 22 Install an air filling device at the Φ100 ball valve 2 on the intake direction cover plate 1; then open the valve connecting the cooling device, oil tank, and oil reservoir, and vacuum-fill oil from the bottom of the reservoir through the oil filter until the oil level reaches the 5 mark on the oil reservoir; after filling the oil, vent all the air plugs and record the result. Figure 5 and Figure 6 The oil level position in the second connecting pipe 6.

[0050] The reactor gas collection test system of this invention replaces the original components with test components such as the air inlet cover, bushing replacement parts, transparent hose, and ball valve. During the test, a fixed amount of gas is injected into the reactor body. After the gas rises and stabilizes, the gas storage and injection volume in the hose above the high voltage transformer and the gas relay are compared and the time required to reach a stable state is recorded, providing data reference for subsequent structural improvements and operation and maintenance.

[0051] Example 2:

[0052] The present invention provides a method such as Figures 1-22 As shown, this embodiment of the invention provides a reactor gas collection test system, including: an air inlet direction cover plate 1, which is disposed on the manhole flange of the removable lead riser seat on the high voltage side of the reactor, and a Φ100 ball valve 2 is installed on the air inlet direction cover plate 1;

[0053] Bushing replacement part 3 is used to replace the original high-voltage bushing of the reactor. The bushing replacement part 3 is sequentially equipped with a first Φ50 ball valve 4, a first transition flange 5, a second connecting pipe 6, a screw 7, and a cover plate with a plug 8.

[0054] A first connecting pipe 9, a second transition flange 10, a second Φ50 ball valve 11, and a three-way connecting pipe 12 are sequentially installed between the vent pipe joint of the upper cover plate of the high voltage transformer riser of the reactor and the main connecting pipe.

[0055] An air-charging device is installed at the Φ100 ball valve 2. The first connecting pipe 9 is connected to the Φ80 main connecting pipe on the oil tank cover. The Φ80 main connecting pipe is connected to the gas relay 13 of the reactor.

[0056] Optionally, the number of screws 7 in the reactor gas collection test system of this embodiment of the invention is two.

[0057] Optionally, during testing, the reactor gas collection test system of this embodiment replenishes oil into the tank through an oil filter at the bottom of the tank.

[0058] Optionally, the reactor gas collection test system of this embodiment of the invention further includes an oil tank and a cooling device, wherein the oil tank and the cooling device are connected to the oil tank through valves.

[0059] Optionally, in the reactor gas collection test system of this embodiment of the invention, both the first connecting pipe 9 and the second connecting pipe 6 are transparent flexible tubes.

[0060] Optionally, in the reactor gas collection test system of this embodiment of the invention, the length of the first connecting pipe 9 is 1580mm, and the length of the second connecting pipe 6 is 1000mm.

[0061] Optionally, the length of the screw 7 in the reactor gas collection test system of this embodiment of the invention is 1050 mm.

[0062] Specifically, pre-experiment preparation measures include:

[0063] This invention first removes the manhole cover of the high-voltage side removable lead riser and replaces it with... Figure 21 and Figure 22 The air intake directional cover 1 is installed, and a Φ100 ball valve 2 is installed on this cover for air injection; the high-pressure bushing is removed and reinstalled in its original position. Figure 19 and Figure 20 Replacement sleeve 3, and refer to Figure 1 Install the first Φ50 ball valve 4 in sequence. Figures 12-14 First transition flange 5 Figure 5 and Figure 6 Second connecting pipe 6, Figure 18Screw 7 and Figure 10 and Figure 11 8. Remove the plugged cover plate; remove the vent pipe joint from the upper cover plate of the high-voltage transformer riser to the Φ50 connecting pipe, bellows, Φ50 ball valve and pipe joint between the vent pipe joint and the Φ80 main connecting pipe, and refer to Figure 1 Install in sequence Figures 2-4 First connecting pipe 9, Figures 15-17 The second transition flange 10, the second Φ50 ball valve 11 and Figures 7-9 The three-way connector 12; Figure 21 and Figure 22 Install an air filling device at the Φ100 ball valve 2 on the intake direction cover plate 1; then open the valve connecting the cooling device, oil tank, and oil reservoir, and vacuum-fill oil from the bottom of the reservoir through the oil filter until the oil level reaches the 5 mark on the oil reservoir; after filling the oil, vent all the air plugs and record the result. Figure 5 and Figure 6 The oil level position in the second connecting pipe 6.

[0064] Specific experimental implementation process:

[0065] Close the second Φ50 ball valve 11, open the first Φ50 ball valve 4, and then open the Φ100 ball valve 1 and the gas charging device in sequence to charge a quantitative amount of gas a ml into the high-pressure side detachable lead wire and start timing. After the oil level in the second connecting pipe 6 stabilizes, record the position at this time and calculate the amount of gas collected b ml.

[0066] The test apparatus was restored to its initial state before the test, and a second test was conducted.

[0067] Open the second Φ50 ball valve 11, close the first Φ50 ball valve 4, and then open the Φ100 ball valve and the gas charging device in sequence to charge a quantitative amount of gas a ml into the high-pressure side detachable lead wire and start timing. Measure the gas c ml collected by the gas relay.

[0068] 4. Open the first Φ50 ball valve 4 and measure the amount of gas collected in the second connecting pipe 6, d ml.

[0069] Specific post-experiment data processing:

[0070] The collected gas volume b is compared with the actual gas injection volume a. ab is equal to the sum of the small amount of air bubbles attached to the high pressure riser wall, the transformer core, the inner wall of the connecting pipe, and the dissolved gas in the oil. The ratio of this difference to the gas injection volume is calculated, and the error coefficient of a single test is obtained as (ab) / a.

[0071] The sum c+d of the gas amount c collected by the gas relay 13 and the gas amount d collected by the second manifold is compared with the actual gas injection amount a, and a-(c+d) is equal to the sum of a small amount of bubbles attached to the high-voltage riser wall, the transformer core, the inner wall of the manifold, and the dissolved gas in the oil, and the ratio of the difference value to the gas injection value is calculated to obtain the secondary test error coefficient equal to [a-(c+d)] / a.

[0072] The gas amount d collected in the second manifold 6 is the amount of air collected between the upper cover plate of the high-voltage riser of the reactor and the porcelain sleeve of the high-voltage bushing.

[0073] The reactor gas collection test system of the embodiment of the application replaces the original position parts with test parts, injects a quantitative gas into the reactor body during the test, measures the gas amount stored in the high-voltage transformer upper hose and the gas relay, compares the gas amount with the gas injection amount, and records the time required to reach the stable state, thereby providing data reference for subsequent structure improvement and operation and maintenance.

[0074] Please note that the technical features of the above embodiments can be combined in any way. In order to make the description simple, not all possible combinations of the technical features in the above embodiments are described, however, as long as the combinations of the technical features do not exist, they should be considered as the scope of the description. The above embodiments only express several embodiments of the application, and the description is more specific and detailed, but it should not be interpreted as a limitation on the scope of the patent. It should be noted that for ordinary skilled in the art, without departing from the concept of the application, some modifications and improvements can be made, which are within the scope of the application. Therefore, the scope of the patent of the application should be subject to the appended claims.

Claims

1. A reactor gas collection testing system, characterized in that, include: An air intake direction cover is installed on the manhole flange of the removable lead riser seat on the high voltage side of the reactor, and a Φ100 ball valve is installed on the air intake direction cover. A bushing replacement assembly is used to replace the original high-voltage bushing of the reactor. The bushing replacement assembly is sequentially equipped with a first Φ50 ball valve, a first transition flange, a second connecting pipe, a screw, and a cover plate with a plug. Between the vent pipe joint on the upper cover of the high-voltage transformer riser of the reactor and the main connecting pipe, the first connecting pipe, the second transition flange, the second Φ50 ball valve and the three-way connecting pipe are installed in sequence. An air-charging device is installed at the Φ100 ball valve, and the first connecting pipe is connected to the Φ80 main connecting pipe on the oil tank cover. The Φ80 main connecting pipe is connected to the gas relay of the reactor.

2. The reactor gas collection test system according to claim 1, characterized in that, The number of screws is two.

3. The reactor gas collection test system according to claim 2, characterized in that, During testing, oil is replenished into the tank through an oil filter at the bottom of the tank.

4. The reactor gas collection test system according to claim 3, characterized in that, It also includes an oil storage tank and a cooling device, which are connected to the oil tank via valves.

5. The reactor gas collection test system according to claim 4, characterized in that, Both the first connecting pipe and the second connecting pipe are transparent flexible tubes.

6. The reactor gas collection test system according to claim 5, characterized in that, The length of the first connecting pipe is 1580mm, and the length of the second connecting pipe is 1000mm.

7. The reactor gas collection test system according to claim 4, characterized in that, The length of the screw is 1050mm.

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