CN205117834U - Water pump inlet of thermal power plant is with invering filter screen formula filter equipment - Google Patents
Water pump inlet of thermal power plant is with invering filter screen formula filter equipment Download PDFInfo
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- CN205117834U CN205117834U CN201520850200.6U CN201520850200U CN205117834U CN 205117834 U CN205117834 U CN 205117834U CN 201520850200 U CN201520850200 U CN 201520850200U CN 205117834 U CN205117834 U CN 205117834U
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- filter screen
- filter
- flange
- screen
- power plant
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Abstract
The utility model relates to a water pump inlet of thermal power plant is with invering filter screen formula filter equipment, it includes the filter chamber, be equipped with the filter screen in the filter chamber, the filter screen is the inversion tubbiness, the lower extreme is equipped with the opening, and the opening of filter screen is connected with the filter chamber through the first flange that the slope set up. Through install the above -mentioned filter screen formula filter equipment that inverts additional in the condensate pump entrance, not only can improve impurity interception efficiency, the filter screen is difficult moreover blocks up. Through the aforesaid setting, the impurity of existence among effective arresting system to reduce the wearing and tearing of condensate pump bearing, reduce and congeal the pump overhaul period, the labor intensity of congeal the pump intake filter screen and wash the frequency, maintenance operation personnel is reduced. And simultaneously, the utility model discloses simple structure, the effect is showing, suitable using widely.
Description
Technical field
A kind of thermal power plant unit fixed on water pump suction that the utility model relates to power domain is inverted filter-screen filtering device.
Background technique
Basket filter net type or straight-tube filter screen are just being put in the many employings of condensate pump entrance of modern thermal power generation corporations, and it is better just to put its interception impurity effect of filtrating equipment that basket strainer forms, but filter screen more easily blocks; The filtrating equipment that straight-tube filter screen is formed its not easily block, but interception impurity weak effect, easily causes condensate pump to enter impurity and the damage equipment that runs out bearing.
In view of this, special proposition the utility model.
Model utility content
The purpose of this utility model is to provide a kind of thermal power plant unit fixed on water pump suction to be inverted filter-screen filtering device, to realize the object of condensate pump ingress being carried out to contaminant filter.
For realizing model utility object, adopt following technological scheme:
A kind of thermal power plant unit fixed on water pump suction is with being inverted filter-screen filtering device, and it comprises filtering cavity; It is characterized in that: be provided with filter screen in filtering cavity, filter screen is provided with opening in inversion tubbiness, lower end, and first flange of opening through being obliquely installed of filter screen is connected with filtering cavity.
Further, the both sides that filtering cavity is relative are respectively equipped with import and outlet, and the suction side of described flange inherent filtration device is downward-sloping gradually to outlet side, makes the opening of filter screen be connected with import.
Further, described filtering cavity inwall is provided with the second flange matched with the first flange, and the inner circumferential setting corresponding with opening of described second flange, periphery and filtering cavity inwall are fixedly connected.
Further, the first described flange and the second flange fix and to weld or through being threaded or connecting and fixing mutually.
Further, the first flange is provided with positioning hole, the second flange is provided with locating stud, and described positioning hole and locating stud are cooperatively corresponding to be arranged, and makes the first flange and the second flange form the socket connection that can not relatively rotate.
Further, the top of filter screen and the top of filtering cavity are fixedly connected, and make filter screen be installed in filtering cavity relatively up or down.
Further, the top of filtering cavity is provided with dismountable upper cover, the top of filter screen is provided with the pressure ring upwards extended, pressure ring contacts with upper cover is mutually spacing, filter screen clamping is made to be fixed between upper cover and the second flange, move up and down to limit the relative filtering cavity generation of filter screen, reach object filter screen being fixed to installation.
Further, described pressure ring is made up of the hollow annular structure that can produce resiliently deformable, and the height of pressure ring is greater than the distance between filter screen top and upper cover.
Further, the top of described filtering cavity is connected with outlet pipe, and described outlet pipe is provided with the outlet valve of pilot line opening and closing.
Further, the bottom of described filtering cavity is connected with the drain pipe that discharges water, described in the drain pipe that discharges water be provided with the drain valve of pilot line opening and closing.
Adopt technique scheme, the utility model is compared with the advantage of prior art:
By installing above-mentioned inversion filter-screen filtering device additional in condensate pump ingress, not only can improve impurity intercepting efficiency, and filter screen not easily blocks.By above-mentioned setting, the impurity existed in effective arresting system, to reduce the wearing and tearing of condensate pump bearing, reduces the solidifying pump repair cycle; Reduce solidifying pump intake filter gauze cleaning frequency, reduce the labor intensity of upkeep operation personnel.Meanwhile, the utility model structure is simple, Be very effective, is suitable for promoting the use of.
Accompanying drawing explanation
The structural representation of Fig. 1 the utility model embodiment.
Primary component illustrates: 1, export; 2, filter screen; 3, pressure ring; 4, outlet pipe; 5, upper cover; 6, locating stud; 7, import; 8, discharge water drain pipe; 9, the first flange; 10, the second flange; 11, filtering cavity; 12, opening.
Embodiment
Below in conjunction with embodiment, the utility model is described in more detail.
As shown in Figure 1, the utility model describes a kind of thermal power plant unit fixed on water pump suction and is inverted filter-screen filtering device, and it comprises filtering cavity 11; The both sides that filtering cavity 11 bottom is relative are respectively equipped with import 7 and outlet 1.Be provided with filter screen 2 in described filtering cavity 11, filter screen 2 is provided with opening 12 in inversion tubbiness, lower end, and opening 12 place of filter screen 2 is provided with the first flange 9, and filtering cavity 11 is provided with the second flange 10 matched with it, and filter screen 2 and filtering cavity 11 are fixedly connected.
Be two independently chambers by filter screen and flange by filtering cavity interior separation, the first chamber to be connected with its interior and it is connected with import through opening, and the second chamber is connected with outlet.
Embodiment one
In the present embodiment, the suction side in the opening 12 inherent filtration chamber 11 of filter screen 2 is to outlet side downward-sloping setting gradually, make the opening 12 of filter screen 2 higher than import 7, arrange lower than outlet 1, be connected with the opening 12 of filter screen 2 to make import 7, make filtered water flow directly into filter screen, and make import 7 separate arrange with outlet 1 phase.
In the present embodiment, opening 12 place of filter screen 2 is provided with along outward extending first flange 9 of plane residing for opening 12, described filtering cavity 11 inwall is provided with the second flange 10 matched with the first flange 9, and the laminating that large similar shape such as grade is arranged, match with filtering cavity 11 inwall in periphery that the inner circumferential of described second flange 10 is corresponding with opening 12 contacts and is welded and fixed.Thus, make filter screen and flange be two separate chamber by filtering cavity interior separation, and the inner space of barrel strainer is connected with import, export isolated, with realize to water inlet filter object.
In the present embodiment, the first described flange 9 can fixedly weld with the second flange 10 or through being threaded or connecting and fixing mutually (not indicating in the accompanying drawings), to make filter screen be fixedly connected through flange and filtering cavity, the installation realizing filter screen is fixed.
Embodiment two
In the present embodiment, lower end first flange 9 of filter screen 2 plug with the second flange 10 connect, upper end contacts with the upper cover 5 of filtering cavity 11 is mutually spacing through pressure ring 3, make filter screen 2 and filtering cavity 11 form installation non-rotatable, not moving up and down to fix, realize the installation of filter screen 2.
In the present embodiment, first flange 9 is provided with positioning hole, the second flange 10 is provided with locating stud 6, described positioning hole and locating stud 6 are cooperatively corresponding to be arranged, and makes the first flange 6 form the socket connection that can not relatively rotate with the second flange 10, realizes filter screen 2 and be connected with the non-rotatable of filtering cavity 11.Preferably, on the first flange 9, opposed open 12 center is uniform by multiple positioning hole, the second flange 10 being provided with a locating stud 6 corresponding respectively with each positioning hole, to improve the join strength of the first flange 9 and the second flange 10.
In the present embodiment, the top of filtering cavity 11 is provided with dismountable upper cover 5, the top of filter screen 2 is provided with the pressure ring 3 upwards extended, pressure ring 3 contacts with upper cover 5 is mutually spacing, filter screen 2 is made to connect and fix between upper cover 5 and the second flange 10, with limit filter screen 2 relatively filtering cavity 11 produce and move up and down, what realize filter screen 2 and filtering cavity 11 can not move up and down the object be connected.In the present embodiment, described pressure ring 3 is made up of the hollow annular structure that can produce resiliently deformable, and the height of pressure ring 3 is greater than the distance between filter screen 2 top and upper cover 5.
Preferably, in the present embodiment, the top of filter screen 2 and the top of filtering cavity 11 also can through welding, clamping, bolt other arbitrary means such as to be connected and to be fixedly connected, filter screen 2 can not be installed in filtering cavity 11 relatively up or down and (not indicate in the accompanying drawings).
Embodiment three
In the present embodiment, the top of described filtering cavity 11 is connected with outlet pipe 4, and described outlet pipe 4 is provided with the outlet valve of pilot line opening and closing.Preferably, described outlet pipe 4 is connected with filtering cavity 11 through the upper cover 5 of filter chamber.
In the present embodiment, the bottom of described filtering cavity 11 is connected with the drain pipe 8 that discharges water, described in the drain pipe 8 that discharges water be provided with the drain valve of pilot line opening and closing.Preferably, the caliber of the described drain pipe 8 that discharges water is greater than the caliber of outlet pipe 4.
Embodiment in above-described embodiment can combine further or replace; and embodiment is described preferred embodiment of the present utility model; not design of the present utility model and scope are limited; under the prerequisite not departing from the utility model design philosophy; the various changes and modifications that in related domain, professional and technical personnel makes the technical solution of the utility model, all belong to protection domain of the present utility model.
Claims (10)
1. thermal power plant's unit fixed on water pump suction is with being inverted a filter-screen filtering device, and it comprises filtering cavity; It is characterized in that: be provided with filter screen in filtering cavity, filter screen is provided with opening in inversion tubbiness, lower end, and first flange of opening through being obliquely installed of filter screen is connected with filtering cavity.
2. a kind of thermal power plant according to claim 1 unit fixed on water pump suction is inverted filter-screen filtering device, it is characterized in that: the both sides that filtering cavity is relative are respectively equipped with import and outlet, the suction side of described flange inherent filtration device is downward-sloping gradually to outlet side, makes the opening of filter screen be connected with import.
3. a kind of thermal power plant according to claim 1 unit fixed on water pump suction is inverted filter-screen filtering device, it is characterized in that: described filtering cavity inwall is provided with the second flange matched with the first flange, the inner circumferential setting corresponding with opening of described second flange, periphery and filtering cavity inwall are fixedly connected.
4. a kind of thermal power plant according to claim 3 unit fixed on water pump suction is inverted filter-screen filtering device, it is characterized in that: the first described flange and the second flange fix and to weld or through being threaded or connecting and fixing mutually.
5. a kind of thermal power plant according to claim 3 unit fixed on water pump suction is inverted filter-screen filtering device, and it is characterized in that: the first flange is provided with positioning hole, the second flange is provided with locating stud, described positioning hole and locating stud are cooperatively corresponding to be arranged.
6. a kind of thermal power plant according to claim 5 unit fixed on water pump suction is inverted filter-screen filtering device, it is characterized in that: the top of filter screen and the top of filtering cavity are fixedly connected.
7. a kind of thermal power plant according to claim 6 unit fixed on water pump suction is inverted filter-screen filtering device, it is characterized in that: the top of filtering cavity is provided with dismountable upper cover, the top of filter screen is provided with the pressure ring upwards extended, pressure ring contacts with upper cover is mutually spacing, makes filter screen clamping be fixed between upper cover and the second flange.
8. a kind of thermal power plant according to claim 7 unit fixed on water pump suction is inverted filter-screen filtering device, and it is characterized in that: described pressure ring is made up of the hollow annular structure that can produce resiliently deformable, the height of pressure ring is greater than the distance between filter screen top and upper cover.
9. be inverted filter-screen filtering device according to the arbitrary described a kind of thermal power plant unit fixed on water pump suction of claim 1 to 8, it is characterized in that: the top of described filtering cavity is connected with outlet pipe, described outlet pipe is provided with the outlet valve of pilot line opening and closing.
10., according to the arbitrary described a kind of thermal power plant unit fixed on water pump suction inversion filter-screen filtering device of claim 1 to 8, it is characterized in that: the bottom of described filtering cavity is connected with the drain pipe that discharges water, described in the drain pipe that discharges water be provided with the drain valve of pilot line opening and closing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520850200.6U CN205117834U (en) | 2015-10-28 | 2015-10-28 | Water pump inlet of thermal power plant is with invering filter screen formula filter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520850200.6U CN205117834U (en) | 2015-10-28 | 2015-10-28 | Water pump inlet of thermal power plant is with invering filter screen formula filter equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205117834U true CN205117834U (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520850200.6U Expired - Fee Related CN205117834U (en) | 2015-10-28 | 2015-10-28 | Water pump inlet of thermal power plant is with invering filter screen formula filter equipment |
Country Status (1)
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|---|---|
| CN (1) | CN205117834U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246385A (en) * | 2017-07-06 | 2017-10-13 | 深圳市能源环保有限公司 | A kind of garbage incinerating power plant pump entrance is inverted the filter of filter screen |
| CN108869315A (en) * | 2018-07-03 | 2018-11-23 | 江苏创进泵阀制造有限公司 | A kind of No leakage anti-clogging oil SAPMAC method formula high efficiency synchronous intelligence self priming pump |
| CN110749481A (en) * | 2019-11-18 | 2020-02-04 | 国电环境保护研究院有限公司 | Sampling device and sampling method for low-concentration total particulate matters in flue gas of thermal power plant |
| CN113464449A (en) * | 2021-07-26 | 2021-10-01 | 杨继承 | Corrosion-resistant centrifugal pump |
-
2015
- 2015-10-28 CN CN201520850200.6U patent/CN205117834U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246385A (en) * | 2017-07-06 | 2017-10-13 | 深圳市能源环保有限公司 | A kind of garbage incinerating power plant pump entrance is inverted the filter of filter screen |
| CN108869315A (en) * | 2018-07-03 | 2018-11-23 | 江苏创进泵阀制造有限公司 | A kind of No leakage anti-clogging oil SAPMAC method formula high efficiency synchronous intelligence self priming pump |
| CN110749481A (en) * | 2019-11-18 | 2020-02-04 | 国电环境保护研究院有限公司 | Sampling device and sampling method for low-concentration total particulate matters in flue gas of thermal power plant |
| CN113464449A (en) * | 2021-07-26 | 2021-10-01 | 杨继承 | Corrosion-resistant centrifugal pump |
| CN113464449B (en) * | 2021-07-26 | 2023-08-25 | 濮阳市国胜机械加工有限公司 | Corrosion-resistant centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20201028 |
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| CF01 | Termination of patent right due to non-payment of annual fee |