CN203370665U - Continuous wax injection device - Google Patents
Continuous wax injection device Download PDFInfo
- Publication number
- CN203370665U CN203370665U CN201320332779.8U CN201320332779U CN203370665U CN 203370665 U CN203370665 U CN 203370665U CN 201320332779 U CN201320332779 U CN 201320332779U CN 203370665 U CN203370665 U CN 203370665U
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- Prior art keywords
- tank
- dewaxing
- injection device
- wax
- valve
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Abstract
The utility model relates to a continuous wax injection device. The continuous wax injection device mainly comprises a dewaxing tank, a pressure tank, a tee valve and a spraying gun. An air inlet of the tee valve is communicated with an air source; a first air outlet of the tee valve is connected with a dewaxing air inlet located at the upper end of the dewaxing tank through a pipeline; a second air outlet of the tee valve is connected with a pressure air inlet located at the upper end of the pressure tank through another pipeline; the dewaxing tank is connected with the pressure tank through a wax conveying pipe; a pneumatic connection valve is arranged on the wax conveying pipe; the lower end of the dewaxing tank and the lower end of the pressure tank are respectively provided with a quartz heater, the quartz heater at the lower end of the pressure tank is provided with a through hole communicated with the inner portion of the pressure tank; the through hole is connected with the spraying gun through a wax outlet pipe; the wax outlet pipe is provided with a hand-operated ball valve. Because working procedures such as the charging procedure, the dewaxing procedure and the filling procedure are continuous, working efficiency is improved, construction quality is guaranteed, working time of operation personnel in the environment with trace irradiation is shortened, and the safety coefficient is increased.
Description
Technical field
The utility model relates to a kind of constructing device of nuclear power station regular maintenance, relates in particular to a kind of continuous wax injection device.
Background technology
The material-changing water tank of the cooling and treatment system of reactor refuling pond and Spent Fuel Pool is one of nuclear power station large storage tank, and its major function is to store a certain amount of boracic sour water.When nuclear accident occurs, material-changing water tank promptly provides the BAS of boracic 1.25% to reactor RHR system by cvcs.After open in the reactor coolant loop, when reactor RHR system can not move, the back-up system that the cooling circuit of this system can be used as reactor RHR system puts into operation.
Above-mentioned material-changing water tank is in long-term the use, due to material-changing water tank in outdoor position, be subject to again the corrupting influence of marine climate simultaneously, corrosion in various degree easily appears in the foundation bolt fixing in the bottom of material-changing water tank, and this is a problem that must will be solved.
At present, what the foundation bolt anti-corrosion protection of material-changing water tank or other large-scale hold-up tank adopted is the casting mode, and needs to use the casting tank.Yet existing casting tank adopts the external mode of heating of monomer mostly, the lower margin gap larger to disposable groundwater increment is difficult to meet the demands.And to perfusion repeatedly can solidify because the operating clearance overlong time causes paraffin, the problems such as pipeline and spray nozzle clogging; Interrupted construction also can make to produce bubble in paraffin tank notes process; Interrupted construction operating time while is long, causes the operator to accept amount of radiation large.Above-mentioned technological deficiency all affects quality and the operating worker safety and Health of casting operation, and therefore providing a kind of wax injection device of applicable constructing operation is the important topic that current nuclear power station corrosion control work faces.
The utility model content
The utility model, for the technical problem that prior art is repeatedly poured into, intermittently construction causes, has proposed a kind of continuous wax injection device, for the preservative treatment to foundation bolt in the large-scale hold-up tanks such as material-changing water tank.
The technical scheme that the utility model provides is:
A kind of continuous wax injection device, comprise the dewaxing tank, pressurized tank and the spray gun that connect successively, wherein, between dewaxing tank and pressurized tank, is connected with triple valve, and the air intake of this triple valve is connected source of the gas; The first gas outlet of triple valve connects the dewaxing canister incoming gas mouth that is positioned at dewaxing tank upper end by pipeline, this junction is provided with the first pressure regulator valve; The second gas outlet of triple valve connects the pressurized tank air inlet that is positioned at the pressurized tank upper end by another pipeline, this junction is provided with the second pressure regulator valve; Also be connected with wax conveying tube between dewaxing tank and pressurized tank, this wax conveying tube is communicated with the wax outlet of dewaxing tank and the wax inlet of pressurized tank; The lower end of dewaxing tank is equipped with the primary heater be connected with attemperating unit, the lower end of pressurized tank 2 is provided with the secondary heater be connected with the second attemperating unit, have the through hole that connects the pressurized tank bottom in the middle of secondary heater, described through hole connects spray gun by going out ceratuba.
Wherein, described wax conveying tube also is provided with one section extension in dewaxing tank inside, and described extension touches the bottom of dewaxing tank, and is provided with filter screen at its mouth of pipe place.
Wherein, described primary heater and secondary heater are the quartz heater that is sunken arcs shape.
Wherein, be respectively equipped with the attemperating unit acted on mutually with described quartz heater on the tank body of dewaxing tank, pressurized tank.
Preferably, described wax conveying tube is provided with pneumatic connection valve;
Preferably, describedly go out ceratuba and be provided with manual ball valve.
Finally, the upper end of described dewaxing tank, pressurized tank is equipped with safety valve, Pressure gauge and pressure-relief valve.
Compared to the prior art the utility model, has proposed the technical scheme that the job steps such as switching by triple valve makes to feed intake, molten wax, tank notes have reached serialization, makes the casting can disposable completing, and increases work efficiency greatly and has guaranteed construction quality; Continuous operations has also been avoided the problem that causes all kinds of valves, pipeline, spray tip to stop up because of cooling.In addition, the utility model has also reduced operating personnel containing the activity duration under micro-radiation environment in simple to operate, has improved safety coefficient.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Referring to Fig. 1,1 is the dewaxing tank, and 2 is pressurized tank, and 3 is triple valve, 4 is spray gun, and 5 is safety valve, and 6 is Pressure gauge, and 7 is the first pressure regulator valve, 8 is pressure-relief valve, and 9 is pneumatic connection valve, and 10 is primary heater, 11 is filter screen, and 12 is the first attemperating unit, and 13 is manual ball valve, 14 is source of the gas, and 15 is the second pressure regulator valve, and 16 is wax conveying tube, 17 for going out ceratuba, and 18 is the second attemperating unit, and 19 is secondary heater.
The specific embodiment
Now the utility model is further described by reference to the accompanying drawings.
Referring to Fig. 1, the utility model is a kind of fixing equipment material-changing water tank on nuclear power station superthick floor or foundation bolt anti-corrosion protection construction appliance of other large storage tanks of being applicable to.This device is equally applicable to other liquid or the colloidal material of cast except paraffin.
The technical solution of the utility model is as follows:
A kind of continuous wax injection device, comprise the dewaxing tank 1, pressurized tank 2 and the spray gun 4 that connect successively.
Wherein, be connected with triple valve 3 between dewaxing tank 1 and pressurized tank 2; Triple valve 3 has an air intake and two gas outlets, by switch three-way valve 3, air intake can be communicated with two gas outlets respectively; The air intake of triple valve 3 is connected source of the gas 14; The first gas outlet of triple valve 4 connects the dewaxing canister incoming gas mouth that is positioned at dewaxing tank 1 upper end by pipeline, this junction is provided with pressure regulator valve 7, for controlling the pressure in dewaxing tank 1; The second gas outlet of triple valve 3 connects the pressurized tank air inlet that is positioned at pressurized tank 2 upper ends by another pipeline, this junction is provided with the second pressure regulator valve 15, for the pressure in controlled pressure tank 2.Pressure in pressurized tank 2 need to be regulated according to spray gun 4 use.
Also be connected with wax conveying tube 16 between dewaxing tank 1 and pressurized tank 2, this wax conveying tube 16 is communicated with the wax outlet of dewaxing tank 1 and the wax inlet of pressurized tank 2; Wax conveying tube 16 1 ends stretch into dewaxing tank 1 bottom, and its mouth of pipe place is provided with filter screen 11, for filtering the impurity of liquid paraffin, play the effect of protection equipment, guarantee handling safety and construction safety.
The lower end of dewaxing tank 1 is equipped with the primary heater 10 be connected with the first attemperating unit 12, the temperature of controlling in dewaxing tank 1 by the first attemperating unit 12.The lower end of pressurized tank 2 is provided with the secondary heater 19 be connected with the second attemperating unit 18, by the temperature in the second attemperating unit 18 controlled pressure tanks 2.Wherein in the middle of the secondary heater 19 of pressurized tank lower end, have the through hole that connects pressurized tank 2 bottoms, described through hole connects spray gun 4 by going out ceratuba 17.
In addition, the upper end of dewaxing tank 1, pressurized tank 2 all separately is provided with safety valve 5 and Pressure gauge 6, and being provided with of these conventional instruments helps make the casting operation more convenient.
The moulding of the heater 10 that in addition, dewaxing tank 1 and pressurized tank 2 lower ends are respectively equipped with is preferably the quartz heater of sunken arcs shape.Such setting is because the heating surface (area) (HS of circular arc is larger, and makes heating, constant temperature for paraffin more even.
The mode of operation of the continuous wax injection device of the utility model is as follows:
First will glue the paraffin of silk fabric paste and put in dewaxing tank 1 and shut cover, start the primary heater 10 of dewaxing tank 1 lower end.Control 10 pairs of paraffin of primary heater by the first attemperating unit 12 and heat to 110-140 ° of C, paraffin will reach its fusing point; At this moment stop heating of primary heater 10.Startup, as the air pump of source of the gas 14, is opened the first gas outlet by switch three-way valve 3 and is closed the second gas outlet, and the route by air according to " air intake-first gas outlet " is transported in dewaxing tank 1; Pressure in dewaxing tank 1 reaches the first pressure regulator valve 7 setting value in advance, while being preferably 1.5 ㎏/c ㎡, pneumatic connection valve 9 on wax conveying tube 16 between dewaxing tank 1 and pressurized tank 2 is opened, and the paraffin in dewaxing tank 1 is in a liquid state because of heating, can under the effect of pressure, enter in pressurized tank 2.
When paraffin all enters pressurized tank 2, should be at once again switch three-way valve 3 open the second gas outlet and close the first gas outlet, the air at source of the gas 14 places is delivered in pressurized tank 2 according to the route of " air intake-second gas outlet ", and pneumatic connection valve 9 is closed simultaneously, and at this moment pressurized tank 2 starts air inlet.Pressure in pressurized tank 2 reaches the second pressure regulator valve 15 setting value in advance, while being preferably 1.8 ㎏/c ㎡, paraffin is delivered to spray gun 4 from the through hole of pressurized tank 2 lower ends through going out ceratuba 17, and the hand-holdable spray gun 4 of operating personnel carries out the casting operation is carried out in the foundation bolt gap of material-changing water tank or other large storage tanks.Now the secondary heater 19 of pressurized tank 2 lower ends plays thermostatic effect, and by the second attemperating unit 18, temperature is controlled to 110 ° of C.Simultaneously, dewaxing tank 1 again feeds intake and repeats aforesaid operations after also can completing release by pressure-relief valve 8.Can reach like this feed intake, purpose that the work of tank notes is carried out simultaneously, make casting realize the continuous operations construction, to reach purpose of design of the present utility model.
Below reach by reference to the accompanying drawings embodiment and described embodiment of the present utility model; the structure that embodiment provides paired not restriction of the present utility model; the one skilled in the art can adjust according to needs, and the various distortion of making within the scope of the appended claims or modification are all in protection domain of the present utility model.
Claims (9)
1. a continuous wax injection device, is characterized in that: comprise successively connected dewaxing tank (1), pressurized tank (2) and spray gun (4);
Be connected with triple valve (3) between described dewaxing tank (1), pressurized tank (2); The air intake of triple valve (3) is connected source of the gas (14); The first gas outlet of triple valve (3) connects the dewaxing canister incoming gas mouth that is positioned at dewaxing tank (1) upper end by pipeline, this junction is provided with the first pressure regulator valve (7); The second gas outlet of triple valve (3) connects the pressurized tank air inlet that is positioned at pressurized tank (2) upper end by another pipeline, this junction is provided with the second pressure regulator valve (15);
Also be connected with a wax conveying tube (16) between described dewaxing tank (1), pressurized tank (2), this wax conveying tube (16) is communicated with the wax outlet of dewaxing tank (1) and the wax inlet of pressurized tank (2);
The lower end of described dewaxing tank (1) is equipped with primary heater (10), the lower end of pressurized tank (2) is provided with secondary heater (19), wherein the heater (10) of pressurized tank (2) lower end has the through hole that connects pressurized tank (2) bottom, and described through hole connects spray gun (4) by going out ceratuba (17).
2. a kind of continuous wax injection device as claimed in claim 1, is characterized in that: be respectively equipped with the first attemperating unit (12) be connected with primary heater (10) and the second attemperating unit (18) be connected with secondary heater (19) on the tank body of dewaxing tank (1), pressurized tank (2).
3. a kind of continuous wax injection device as claimed in claim 1 or 2 is characterized in that: described wax conveying tube (16) one ends stretch into dewaxing tank (1) bottom, and its mouth of pipe place is provided with filter screen (11).
4. a kind of continuous wax injection device according to claim 1 and 2, it is characterized in that: described primary heater (10) and secondary heater (19) are sunken arcs shape quartz heater.
5. a kind of continuous wax injection device as claimed in claim 1, it is characterized in that: described wax conveying tube (16) is provided with pneumatic connection valve (9).
6. a kind of continuous wax injection device as claimed in claim 1 is characterized in that: describedly go out ceratuba (17) and be provided with manual ball valve (13).
7. a kind of continuous wax injection device as claimed in claim 1, it is characterized in that: the upper end of described dewaxing tank (1), pressurized tank (2) is equipped with pressure-relief valve (8).
8. a kind of continuous wax injection device as described as claim 1 or 7, it is characterized in that: the upper end of described dewaxing tank (1), pressurized tank (2) is equipped with Pressure gauge (6).
9. a kind of continuous wax injection device as described as claim 1 or 7, it is characterized in that: the upper end of described dewaxing tank (1), pressurized tank (2) is equipped with safety valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320332779.8U CN203370665U (en) | 2013-06-08 | 2013-06-08 | Continuous wax injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320332779.8U CN203370665U (en) | 2013-06-08 | 2013-06-08 | Continuous wax injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203370665U true CN203370665U (en) | 2014-01-01 |
Family
ID=49833222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320332779.8U Expired - Lifetime CN203370665U (en) | 2013-06-08 | 2013-06-08 | Continuous wax injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203370665U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226509A (en) * | 2013-06-08 | 2014-12-24 | 中核核电运行管理有限公司 | Continuous wax injection device and application method thereof |
| CN104324668A (en) * | 2014-11-26 | 2015-02-04 | 乐卫敏 | Dewaxing device of tissue embedding machine |
-
2013
- 2013-06-08 CN CN201320332779.8U patent/CN203370665U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226509A (en) * | 2013-06-08 | 2014-12-24 | 中核核电运行管理有限公司 | Continuous wax injection device and application method thereof |
| CN104324668A (en) * | 2014-11-26 | 2015-02-04 | 乐卫敏 | Dewaxing device of tissue embedding machine |
| CN104324668B (en) * | 2014-11-26 | 2016-08-31 | 乐卫敏 | A kind of tissue embedding machine wax melting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Wei Inventor after: Kang Xiaojun Inventor after: Xu Ke Inventor after: Zhang Ling Inventor after: Ji Yuanyuan Inventor after: Miao Xueliang Inventor after: Yu Tao Inventor after: Ding Youyuan Inventor after: Luan Xingfeng Inventor after: Bian Chunhua Inventor after: Hu Minglei Inventor after: Yu Xiaoyan Inventor after: Liu Donglin Inventor before: Zhang Wei Inventor before: Kang Xiaojun Inventor before: Xu Ke Inventor before: Zhang Ling Inventor before: Ji Yuanyuan Inventor before: Miao Xueliang Inventor before: Yu Tao Inventor before: Ding Youyuan Inventor before: Luan Xingfeng Inventor before: Bian Chunhua Inventor before: Hu Minglei Inventor before: Yu Xiaoyan Inventor before: Liu Donglin |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140101 |