CN204308440U - A kind ofly take over the anti-deformation device welded with low head for electric heater - Google Patents
A kind ofly take over the anti-deformation device welded with low head for electric heater Download PDFInfo
- Publication number
- CN204308440U CN204308440U CN201420719351.3U CN201420719351U CN204308440U CN 204308440 U CN204308440 U CN 204308440U CN 201420719351 U CN201420719351 U CN 201420719351U CN 204308440 U CN204308440 U CN 204308440U
- Authority
- CN
- China
- Prior art keywords
- electric heater
- support member
- packing ring
- pipe joint
- elastomeric element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model provides a kind ofly takes over the anti-deformation device welded with low head for electric heater, this device is positioned at the self-seal device that each port taken over by electric heater, wherein, self-seal device comprises: pipe joint, fixture, support member, packing ring and elastomeric element, described pipe joint is set with from top to bottom successively: fixture, support member, packing ring and elastomeric element, wherein, described packing ring, the part that elastomeric element and support member contact with packing ring is positioned at the inside that electric heater is taken over, on vertical direction, be arranged so that cooling circulating water passes into the through hole of electric heater nozzle interior in the inside of described pipe joint, described fixture is positioned at the outside of electric heater adapter and contacts with support member.Through hole in this device makes cooling circulating water be passed into the inside of electric heater adapter, heat when making cooling circulating water take away welding thus realize the object preventing electric heater connecting pipe deformation.
Description
Technical field
The utility model relates to nuclear power field, especially, relates to a kind of anti-deformation device, particularly, relates to and a kind ofly takes over the anti-deformation device welded with low head for electric heater.
Background technology
Voltage-stablizer is one of capital equipment in nuclear power plant nuclear island, realize automatically carrying out pressure adjustment to nuclear reactor primary Ioops system, maintain its constant pressure, the regulatory function of voltage-stablizer is mainly realized heating liquid in system by the electric heater at lower seal head of voltage stabilizer place simultaneously.
Electric heater enters voltage-stablizer inside by the electric heater adapter on lower seal head of voltage stabilizer, wherein, electric heater adapter is welded with lower seal head of voltage stabilizer, because each adapter axis is not by the end socket centre of sphere, therefore the weld seam between electric heater adapter and lower seal head of voltage stabilizer is asymmetric weld seam, therefore, two side weld welding capacity differences are larger, welding difficulty is large, causes taking over being very easy to distortion.In addition, the gap between the internal diameter that electric heater and electric heater are taken over is minimum, adapter be slightly out of shape, can cause electric heater can not from adapter through, thus must ensure electric heater adapter weld with low head after, electric heater connecting pipe deformation is very little.
In the prior art, in order to prevent electric heater connecting pipe deformation, all adopting comparatively traditional method, namely inserting in the inside of electric heater adapter and fixedly carrying out anti-deformation by force with the close-fitting rigid central spindle of adapter internal diameter.But, but there are some defects being difficult to overcome in the method, because electric heater adapter internal diameter is less, mandrel is difficult to make external diameter adjustable structure form, then adopt above-mentioned conventional method very easily to cause both Han Jiehou rigid central spindles to be difficult to take out, if take out by force, very easily butt tube inwall causes scuffing again.Due to the particular/special requirement to nuclear power product, nozzle inner wall and end face all forbid welding and damage, therefore it is not remarkable to adopt the traditional approach fixed by force of rigid central spindle to carry out distortion-free effect.
Utility model content
In order to solve the problem, the utility model people has carried out studying with keen determination, found that: all self-seal device is installed at the two ends of electric heater adapter, this self-seal device is provided with along the through hole on vertical direction, when electric heater adapter is welded with low head, inside electric heater being taken over by the through hole arranged passes into cooling circulating water, the heat produced when cooling circulating water takes away welding, thus reach the object preventing electric heater connecting pipe deformation, thus complete the utility model.
The purpose of this utility model is that providing a kind of takes over the anti-deformation device welded with low head for electric heater, this anti-deformation device comprises the self-seal device 1 being positioned at each port of electric heater adapter 2, wherein, self-seal device 1 comprises: pipe joint 11, fixture 12, support member 13, packing ring 14 and elastomeric element 15
Described pipe joint 11 comprises from top to bottom successively: termination 111, main body 112, second step 114 and first step 113, and wherein, termination 111, main body 112, second step 114 and first step 113 are structure as a whole,
Be set with successively from top to bottom in the outside of described second step 114: packing ring 14, elastomeric element 15, at the outside of described main body 112 suit support member 13, wherein,
The part that described packing ring 14, elastomeric element 15 and support member 13 contact with packing ring 14 is positioned at the inside of electric heater adapter 2,
On vertical direction, be arranged so that cooling circulating water passes into the through hole 115 of electric heater nozzle interior in the inside of described pipe joint 11,
Described fixture 12 is positioned at the outside of electric heater adapter 2 and contacts with support member 13.
Another object of the present utility model is the using method providing a kind of anti-deformation device provided by the utility model, and the method comprises the following steps:
1) pipe joint 11 is fixed on the port of electric heater adapter 2, wherein, makes first step 113, second step 114, portion body 112 be positioned at the inside of electric heater adapter 2;
2) first elastomeric element 15 is sleeved on the outside of second step 114, then packing ring 14 is sleeved on the outside of second step 114;
3) support member 13 is sleeved on the outside of main body 112, then mounting fixing parts 12, under the effect of fixture 12, makes the inwall close contact of rubber components 15 and electric heater adapter 2;
4) when electric heater adapter 2 being welded with low head, in through hole 115, cooling circulating water is passed into.
What the utility model provided a kind ofly takes over the anti-deformation device welded with low head for electric heater, this anti-deformation device has the following advantages:
1) this anti-deformation device adopts under the effect of nut, and the contact internal walls that the mode of rubber blanket swelling and electric heater are taken over, prevents the damage of nozzle interior or end effectively;
2) this anti-deformation device adopts under the effect of nut, and self-seal device is fixed by the mode of rubber blanket swelling, and therefore, the installation and removal of anti-deformation device are all very convenient, are conducive to practical operation;
3) steel components contacted with electric heater nozzle inner wall all adopts stainless steel, and rubber blanket material also meets nuclear power requirement, effectively prevents material from polluting, and good sealing effect, in use, can not produce drainage simultaneously;
4) the distortion-free Be very effective of this anti-deformation device, after adopting this to put deformation device, electric heater adapter is almost without distortion, and electric heater all can freely penetrate;
5) total is simple, is convenient to machine-shaping, and with low cost, is conducive to promoting.
Accompanying drawing explanation
Fig. 1 illustrates the cross-sectional view after installing according to a kind of anti-deformation device preferred embodiment of the present utility model;
Fig. 2 illustrates the cross-sectional view according to a kind of pipe joint preferred embodiment of the present utility model;
Fig. 3 illustrates the cross sectional representation according to a kind of main body preferred embodiment of the present utility model.
Drawing reference numeral
1-self-seal device
11-pipe joint
111-termination
112-main body
113-first step
114-second step
115-through hole
12-fixture
13-support member
14-packing ring
15-elastomeric element
2-electric heater is taken over
Detailed description of the invention
Be described in detail below by the utility model, feature of the present utility model and advantage will illustrate along with these and become more clear, clear and definite.
According to one side of the present utility model, there is provided a kind of and take over the anti-deformation device welded with low head for electric heater, as shown in Figure 1, this device comprises two self-seal devices 1, wherein, a self-seal device is positioned at one end of electric heater adapter 2, and another self-seal device is positioned at the other end of electric heater adapter 2.
According to two self-seal devices described in the utility model, the structure of two self-seal devices is identical, and each sealing device all can disassemble from electric heater adapter 2.
According to the utility model, as shown in Figure 1, described self-seal device comprises: pipe joint 11, fixture 12, support member 13, packing ring 14 and elastomeric element 15.
In described self-seal device, arrange through hole 115 in the inside of pipe joint 11, especially, the axis of this through hole 115 and the axis of pipe joint 11 overlap.Due to pipe joint 11 inside and on vertical direction, through hole 115 is set, this through hole 115 makes the inside of electric heater adapter 2 to pass into cooling circulating water, the heat produced in welding process with low head in electric heater adapter can be taken away, thus prevent electric heater connecting pipe deformation.
In described self-seal device, be set with successively from top to bottom in the outside of pipe joint 11: fixture 12, support member 13, packing ring 14 and elastomeric element 15, wherein, the part that packing ring 14, elastomeric element 15 and support member 13 contact with packing ring 14 is positioned at the inside of electric heater adapter 2, and fixture 12 is positioned at the outside of electric heater adapter 2 and contacts with support member 13.
In described self-seal device, as shown in Figure 2, pipe joint 11 comprises from top to bottom successively: termination 111, main body 112, second step 114 and first step 113, wherein, the termination 111 of described pipe joint 11, main body 112, first step 113 and second step 114 are integrated machine-shaping, namely be structure as a whole, and described termination 111, main body 112, second step 114 are connected with the inside of first step 113, form through hole 115.
According in pipe joint 11 described in the utility model, the longitudinal cross-section width of termination 111, main body 112, second step 114 and first step 113 increases successively according to the order of termination 111, main body 112, second step 114, first step 113.Wherein, longitudinal cross-section is the cross section by axis.
In a preferred embodiment, the external diameter of termination 111, main body 112, second step 114 and first step 113 increases successively according to the order of termination 111, main body 112, second step 114, first step 113, wherein, the external diameter of first step 113 is slightly smaller than the internal diameter of electric heater adapter 2, thus ensures that pipe joint 11 can stretch into the inside of electric heater adapter 2.Especially, the external diameter of first step 113 0.15mm less of electric heater adapter 2 internal diameter.
According in pipe joint 11 of the present utility model, the height of second step 114 is for being more than or equal to the thickness of elastomeric element 15 and the thickness sum of packing ring 14 of be sleeved on second step 114 outside.Wherein, the height of involved second step is the distance between the upper surface of first step 113 and the upper surface of second step 114.
In a preferred embodiment, described packing ring 14 is identical with the outside dimension of elastomeric element 15.
In described self-seal device, described elastomeric element 15 is in circular ring, the internal diameter size of this elastomeric element 15 will ensure that this elastomeric element 15 can be sleeved on the outside of pipe joint 11, especially, the internal diameter of described elastomeric element 15 is a bit larger tham the external diameter of the part that elastomeric element 15 contacts with pipe joint 11, makes this elastomeric element 15 just be sleeved on the external diameter of the part that it contacts with pipe joint 11.
According to the utility model, the external diameter of described elastomeric element 15 is less than the internal diameter of electric heater adapter 2, especially, and the external diameter 0.05 ~ 0.1mm less of the internal diameter of electric heater adapter 2 of elastomeric element 15.
According to the utility model, the thickness of elastomeric element 15 is not particularly limited, and determines according to actual conditions.Especially, the thickness of this elastomeric element 15 is 3mm.
Study discovery through the present inventor, according to the actual requirements, select the material of elastomeric element 15, thus ensure that this elastomeric element 15 is under the effect of external force, can produce enough distortion, the outer end of this elastomeric element 15 is contacted with the internal diameter of electric heater adapter 2.Especially, elastomeric element 15 is preferably rubber blanket, and the material of this rubber blanket preferably selects acrylonitrile-butadiene rubber to prepare.
In a preferred embodiment, the internal diameter of described elastomeric element 15 is a bit larger tham the external diameter of second step 114, make elastomeric element 15 just be sleeved on the outside of second step, meanwhile, the external diameter of this elastomeric element 15 is greater than the external diameter of first step and is less than the internal diameter of electric heater adapter 2.
Especially, the external diameter of elastomeric element 15 0.05 ~ 0.1mm less of the internal diameter of electric heater adapter 2.
Study discovery through the present inventor, according to the actual requirements, determine the number of the elastomeric element 15 at the outside of second step 114 suit.Especially, 5 elastomeric elements 15 are set with in the outside of second step 114.
In described self-seal device, described packing ring 14 is in circular ring, the size of the internal diameter of this packing ring 14 will ensure that this packing ring 14 can be sleeved on the outside of pipe joint 11, especially, the internal diameter of described packing ring 14 is a bit larger tham the external diameter of the part that packing ring 14 contacts with pipe joint 11, makes this packing ring 14 just be sleeved on the external diameter of the part that it contacts with pipe joint 11.
According to the utility model, the external diameter of described packing ring 14 is less than the internal diameter of electric heater adapter 2, especially, and the external diameter 0.05 ~ 0.1mm less of the internal diameter of electric heater adapter 2 of packing ring 14.
In a preferred embodiment, the internal diameter of packing ring 14 is a bit larger tham the external diameter of the second step in pipe joint 11, make packing ring 14 just be sleeved on the outside of second step, meanwhile, the external diameter of packing ring 14 is greater than the external diameter of first step and is less than the internal diameter of electric heater adapter.
Especially, the external diameter of packing ring 14 0.05 ~ 0.1mm less of the internal diameter of electric heater adapter 2.
According to the utility model, the thickness not requirement especially of described packing ring 14, can select according to the actual requirements.Especially, the thickness of packing ring 14 is 4mm.
In addition, it is obtained that packing ring 14 adopts stainless steel material to process, and meets the demand of practical application.
In a preferred embodiment, described support member 13 is not for having the cylindrical structure of bottom surface, and this cylinder comprises a upper bottom surface and cylindrical shell, and described cylindrical upper bottom surface and cylindrical cylindrical shell are structure as a whole.
In a preferred embodiment, the upper bottom surface of described support member 13 arranges support member through hole, this support member through hole makes support member 13 just be sleeved on the outside of main body 112.
In a preferred embodiment, the internal diameter of the cylindrical shell of described support member 13 is greater than the external diameter of second step, the internal diameter of the cylindrical shell of this support member 13 is a bit larger tham the external diameter of second step, especially, the size of the internal diameter of the cylindrical shell of this support member 13 and the internal diameter of packing ring 14 measure-alike, and the external diameter of the cylindrical shell of this support member 13 is slightly smaller than the external diameter of packing ring 14, thus ensure that the uniform force of the elastomeric element 15 be positioned at below packing ring 14.
Especially, the external diameter of the cylindrical shell of support member is less than the external diameter 0.5 ~ 1mm of packing ring 14.
In addition, in a preferred embodiment, it is obtained that described support member 13 adopts stainless steel material to process, thus meet the demand of practical application.
In described self-seal device, the lower surface of fixture 12 contacts with the upper surface of support member 13.Wherein, the kind of fixture 12 does not limit especially, can carry out Choice and design according to the actual requirements.
In a preferred embodiment, at the outer setting screw thread of main body 112, this screw thread is positioned at the top of support member 12, and fixture 12 is nut, thus nut is fixedly connected with pipe joint 11 by the screw thread in main body 112.
In a preferred embodiment, as shown in Figure 3, be connected by two line segments between two sections of camber lines in the shape of cross section of the termination 111 of the port certain distance of distance pipe joint 11.Especially, the radian of two sections of camber lines is identical, and identical and two line segments of the length of two line segments are parallel to each other.The cross section of termination is above-mentioned shape, then, when mounting nuts, convenience is artificial or machinery clamps.
According to the utility model, to the termination 111 of the pipe joint of one end of electric heater adapter 2 be positioned at as cooling water intake, and will the termination of the pipe joint 111 of the other end of electric heater adapter 2 be positioned at as delivery port, make to pass into cooling circulating water in the through hole 115 of pipe joint 111, thus make cooling water take away the heat produced when electric heater adapter is welded with low head, reach the distortion preventing electric heater adapter 2.
In a preferred embodiment, the outside of the termination 111 of the port certain distance in distance termination 111 is for falling tooth type structures, and tooth type structures of should falling more is conducive to being connected with cooling water circulating device.
In a preferred embodiment, the axes coincide of described termination 111, main body 112, second step 114, first step 113, electric heater adapter 2.
In a preferred embodiment, the axes coincide of described electric heater adapter 2, pipe joint 11, fixture 12, support member 13, packing ring 14, elastomeric element 15.
Comprehensive, described pipe joint, packing ring and elastomeric element are main seal members, wherein, the contact surface surface roughness of the contact surface of the inwall that described pipe joint and electric heater are taken over, described packing ring and electric heater nozzle inner wall all will more than 3.2.
According to another aspect of the present utility model, provide a kind of using method being provided for the anti-deformation device that electric heater welds with low head by the utility model, the method comprises following four steps.
Step one, pipe joint 11 is fixed on the port of electric heater adapter 2.
In above-mentioned steps one, fixing mode is not subject to concrete restriction, and pipe joint is helped in the port of its adapter 2 of electric heater by artificial fixing hand of such as selecting, or machinery is fixing.
In above-mentioned steps one, first step 113, second step 114, portion body 112 is made to be positioned at the inside of electric heater adapter 2.
Step 2, first elastomeric element 15 is sleeved on the outside of second step, then packing ring 14 is sleeved on the outside of second step.
In above-mentioned steps two, elastomeric element 15 is preferably rubber blanket, and this rubber blanket adopts acrylonitrile-butadiene rubber to be prepared from.
Step 3, support member 13 is sleeved on the outside of main body 112, then mounting fixing parts 12.
In above-mentioned steps three, the lower end of the cylindrical shell of support member 13 contacts with packing ring 14, and after mounting fixing parts 14, the lower surface of fixture 14 contacts with the upper surface of support member 13.
Above-mentioned steps three kinds, when fixture 12 is nut, nut is screwed in the screw thread place of main body 112, make lower end packing washer and the rubber blanket of the cylindrical shell of support member 14, make the inwall close contact that rubber blanket and electric heater are taken over further, thus reach the effect of swelling, make self-seal device be fixed on the port of electric heater adapter.
Step 4, when electric heater adapter 2 being welded with low head, in through hole 115, pass into cooling circulating water.
In above-mentioned steps four, the water inlet of a termination 111 as cooling circulating water of electric heater adapter 2 port will be positioned at, the delivery port of termination 111 as cooling circulating water of another port of electric heater adapter 2 will be positioned at, thus make to pass into cooling circulating water in electric heater adapter 2, thus reach weld time take away the object that heat prevents electric heater connecting pipe deformation.
embodiment
The utility model is further described below by way of instantiation.But these examples are only exemplary, do not form any restriction to protection domain of the present utility model.
In the following embodiments:
The internal diameter of electric heater adapter is φ 70 ± 0.1mm, and the external diameter of first step is
the external diameter of second step is φ 53mm, and the external diameter of main body is φ 36mm, and the internal diameter of packing ring is φ 54mm and external diameter is
the internal diameter of nitrile rubber pad is φ 53mm and external diameter is φ 70mm, and the diameter of support member through hole is φ 37mm, and the internal diameter of the cylindrical shell of support member is φ 54mm and external diameter is φ 69mm, and fixture is hex nut.
Embodiment 1
Anti-deformation device
Take over each port and arrange self-seal device being positioned at electric heater, wherein, self-seal device comprises: pipe joint, hex nut, support member, packing ring and rubber blanket,
Be set with successively in the outside of the second step of pipe joint: rubber blanket, packing ring, at the outside of described main body suit support member, wherein, the part that described packing ring, rubber blanket and support member contact with packing ring is positioned at the inside that electric heater is taken over,
On vertical direction, be arranged so that cooling circulating water passes into the through hole of electric heater nozzle interior in the inside of pipe joint,
Support member is cylindrical structure, and this cylinder comprises a upper bottom surface and a cylindrical shell, wherein, described upper bottom surface arranges support member through hole, is sleeved on body exterior by this support member through hole,
Hex nut is positioned at the outside of electric heater adapter and contacts with support member, and described nut is fixedly connected with main body by the screw thread be arranged in main body.
Embodiment 2
When electric heater adapter is welded with low head, select the anti-deformation device that embodiment 1 provides, pass into cooling circulating water by the through hole being arranged on pipe joint inside to electric heater nozzle interior, the time of welding is 90 minutes.
Through observing, in 90 minutes of welding, taking over the place that contacts and water-tight at self-seal device and electric heater, showing the good sealing effect of self-seal device.
After having welded, electric heater can pass electric heater nozzle interior.Can learn thus, electric heater adapter is almost undeformed.
Comparative example 1
Do not install the anti-deformation device described in embodiment 1 in the port of electric heater adapter, welded with low head electric heater in the same manner as in Example 2, the time of wherein welding is 90 minutes.
After having welded, after weld seam cooling, electric heater can not be inserted into electric heater nozzle interior, illustrates when welding, and electric heater is taken over and creates deformation.
More than in conjunction with detailed description of the invention and exemplary example, the utility model has been described in detail, but these explanations can not be interpreted as restriction of the present utility model.It will be appreciated by those skilled in the art that when not departing from the utility model spirit and scope, can carry out multiple equivalencing, modification or improvement to technical solutions of the utility model and embodiment thereof, these all fall in scope of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (9)
1. take over the anti-deformation device welded with low head for electric heater for one kind, this anti-deformation device comprises the self-seal device (1) being positioned at electric heater adapter (2) each port, wherein, self-seal device (1) comprising: pipe joint (11), fixture (12), support member (13), packing ring (14) and elastomeric element (15)
Described pipe joint (11) comprises from top to bottom successively: termination (111), main body (112), second step (114) and first step (113), wherein, termination (111), main body (112), second step (114) and first step (113) are structure as a whole
Be set with successively from top to bottom in the outside of described second step (114): packing ring (14), elastomeric element (15), in the outside of described main body (112) suit support member (13), wherein,
The part that described packing ring (14), elastomeric element (15) and support member (13) contact with packing ring (14) is positioned at the inside that electric heater takes over (2),
On vertical direction, be arranged so that cooling circulating water passes into the through hole (115) of electric heater nozzle interior in the inside of described pipe joint (11),
Described fixture (12) is positioned at the outside of electric heater adapter (2) and contacts with support member (13).
2. anti-deformation device according to claim 1, wherein, in pipe joint (11),
The external diameter of described termination (111), main body (112), second step (114) and first step (113) increases successively according to the order of termination (111), main body (112), second step (114), first step (113), wherein, the external diameter of first step (113) is slightly smaller than the internal diameter of electric heater adapter (2).
3. anti-deformation device according to claim 1 and 2, wherein, the height of described second step (114) is more than or equal to be set with elastomeric element (15) and the thickness sum of packing ring (14).
4. anti-deformation device according to claim 1, wherein,
Described support member (13) is cylindrical structure, this cylinder comprises a upper bottom surface and a cylindrical shell, wherein, described upper bottom surface arranges support member through hole, the internal diameter of described cylindrical shell is a bit larger tham the external diameter of second step (114), and the external diameter of cylindrical shell is slightly smaller than the external diameter of packing ring (14).
5. anti-deformation device according to claim 1, wherein, the external diameter of described packing ring (14) is greater than the external diameter of first step and is less than the internal diameter that electric heater takes over (2).
6. anti-deformation device according to claim 1, wherein, described elastomeric element (15) is the rubber blanket in circular ring, and the external diameter of this elastomeric element (15) is greater than the external diameter of first step and is less than the internal diameter that electric heater takes over (2), and/or
Described fixture (12) is nut, and this nut is fixedly connected with main body (112) by the screw thread being arranged on main body (112) outside, and wherein, described screw thread is positioned at the top of support member (12).
7. anti-deformation device according to claim 1 wherein, is be connected by two line segments between two sections of camber lines in the shape of the cross section of the termination (111) of the port certain distance of distance pipe joint (11).
8. anti-deformation device according to claim 1, wherein, the termination (111) of the port certain distance apart from described pipe joint (11) outside for fall tooth type structures.
9. anti-deformation device according to claim 1, wherein, the axes coincide of described electric heater adapter (2), pipe joint (11), fixture (12), support member (13), packing ring (14), elastomeric element (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420719351.3U CN204308440U (en) | 2014-11-25 | 2014-11-25 | A kind ofly take over the anti-deformation device welded with low head for electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420719351.3U CN204308440U (en) | 2014-11-25 | 2014-11-25 | A kind ofly take over the anti-deformation device welded with low head for electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204308440U true CN204308440U (en) | 2015-05-06 |
Family
ID=53130772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420719351.3U Withdrawn - After Issue CN204308440U (en) | 2014-11-25 | 2014-11-25 | A kind ofly take over the anti-deformation device welded with low head for electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204308440U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400273A (en) * | 2014-11-25 | 2015-03-11 | 哈电集团（秦皇岛）重型装备有限公司 | Deformation preventing device for welding electric heater adapter tube and lower head |
| CN107999982A (en) * | 2017-12-11 | 2018-05-08 | 中国第重型机械集团大连加氢反应器制造有限公司 | Drive tube socket penetration piece welding anti-deformation water device for cooling and its application method |
| CN114012316A (en) * | 2021-11-15 | 2022-02-08 | 中国电子科技集团公司第二十九研究所 | Metal rubber composite jig for preventing liquid cooling runner redundancy |
-
2014
- 2014-11-25 CN CN201420719351.3U patent/CN204308440U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400273A (en) * | 2014-11-25 | 2015-03-11 | 哈电集团（秦皇岛）重型装备有限公司 | Deformation preventing device for welding electric heater adapter tube and lower head |
| CN107999982A (en) * | 2017-12-11 | 2018-05-08 | 中国第重型机械集团大连加氢反应器制造有限公司 | Drive tube socket penetration piece welding anti-deformation water device for cooling and its application method |
| CN107999982B (en) * | 2017-12-11 | 2020-05-05 | 中国第一重型机械集团大连加氢反应器制造有限公司 | Using method of anti-deformation water cooling device for welding of driving pipe seat penetrating piece |
| CN114012316A (en) * | 2021-11-15 | 2022-02-08 | 中国电子科技集团公司第二十九研究所 | Metal rubber composite jig for preventing liquid cooling runner redundancy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150506 Effective date of abandoning: 20160309 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |