CN214406010U - Furnace water circulating pump pipeline system - Google Patents
Furnace water circulating pump pipeline system Download PDFInfo
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- CN214406010U CN214406010U CN202022782454.2U CN202022782454U CN214406010U CN 214406010 U CN214406010 U CN 214406010U CN 202022782454 U CN202022782454 U CN 202022782454U CN 214406010 U CN214406010 U CN 214406010U
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Abstract
The utility model provides a boiler water circulating pump pipe-line system relates to boiler pipe-line system field, for solving current boiler water circulating pump and wash the problem design that the operation is long consuming time. The furnace water circulating pump pipeline system comprises a first pipeline, a second pipeline, a first filter and a water injection cooler, wherein the first pipeline and the second pipeline are arranged in parallel, the inlet of the first pipeline is connected with a condensed water pipeline, and the inlet of the second pipeline is connected with a high-pressure water supply pipeline; outlets of the first pipeline and the second pipeline are connected to an inlet of a first filter, an outlet of the first filter is connected with a motor chamber of the furnace water circulating pump through a cleaning pipeline, and the first filter is provided with a first drain outlet; the water injection cooler is configured to cool the cleaning pipeline; the first pipeline is provided with a branch pipeline, and an inlet of the branch pipeline is connected with a demineralized water main pipe. The utility model provides a furnace water circulating pump pipe-line system has guaranteed the water injection quality through reforming transform water injection water source, has reduced the water consumption.
Description
Technical Field
The utility model relates to a boiler pipe-line system field particularly, relates to a boiler water circulating pump pipe-line system.
Background
The boiler water circulating pump is a large-flow low-lift single-stage centrifugal pump which is arranged in a boiler evaporation system and bears high temperature and high pressure to make working media flow forcibly, the structure of the boiler water circulating pump comprises a pump shell, an impeller, a bearing and a heat insulator, a cooling system of the boiler water circulating pump consists of a motor cooling water system (a motor cavity and an auxiliary pipeline thereof) and an external cooling water system (an external cooler, a heat insulation grid and an auxiliary pipeline thereof), and the working principle of the motor cooling water system is as follows: the motor cooling water pours into the motor cavity into through the water injection pipeline, after the water injection was accomplished, the cooling water passes through the auxiliary impeller of motor lower extreme, establish the circulation flow, rotor and stator winding and the bearing clearance that then flows through the motor, take away the produced temperature when motor operation, thereby realize the cooling to the motor, then the delivery port outflow of follow motor upper end, give outside cooling water system with heat transfer through external cooler, the motor cooling water flows back to the motor cavity again after the cooling, form a confined circulation, motor cooling water recycling, therefore, motor cooling water system has the closure, the quality of water requirement to the cooling water is also higher. Wherein, the water injection pipeline of motor cooling water system links to each other with the motor cavity, the water injection water source of motor cavity comes from boiler water supply system, after the water injection is accomplished, unless the equipment carries out overhaul, otherwise no longer carry out the water injection, and the operation of motor has certain requirement to the quality of water of cooling water, so, the cooling water quality of water injection pipeline injection motor cavity through the motor cooling water must accord with relevant requirement and just can carry out the water injection, consequently, newly-built or the unit carries out overhaul at the engineering initial stage, cooling water pipeline dirty degree is high, quality of water can't reach the requirement of motor to quality of water behind the cooling water flow-through pipeline, before carrying out the water injection, need wash whole motor cooling water system's water injection pipeline and motor cavity, then carry out the sample chemical examination to the cooling water, after quality of water reaches relevant standard, just can carry out the water injection and seal. The external cooling water system is used for cooling the motor cooling water system, and a water source of the external cooling water system is from the condensed water pipeline.
In the prior art, a water injection pipeline of a motor cooling water system is flushed together with a whole boiler water supply system, but the boiler water supply system is very large, the pipeline is long, if the requirement of a motor on water quality is met, the boiler water supply system needs to be flushed for a long time, the flushing operation is long in time consumption, the water consumption is large, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stove water circulating pump pipe-line system to solve current stove water circulating pump and wash operation long-consuming technical problem.
The utility model provides a furnace water circulating pump pipeline system, including first pipeline, second pipeline, first filter and water injection cooler, wherein, the first pipeline with the second pipeline sets up in parallel, the entry of first pipeline links to each other with the condensate pipe, the entry of second pipeline links to each other with high-pressure water supply pipe; outlets of the first pipeline and the second pipeline are connected to an inlet of the first filter, an outlet of the first filter is connected with a motor chamber of the furnace water circulating pump through a cleaning pipeline, and the first filter is provided with a first drain outlet; the water injection cooler is configured to cool the cleaning pipeline; the first pipeline is provided with a branch pipeline, and an inlet of the branch pipeline is connected with a demineralized water main pipe.
Further, the branch line is provided with a demineralized water inlet gate configured to control opening and closing of the branch line.
Further, the number of the demineralized water inflow gates is two.
Further, first drain outlet is connected with first drain pipe, first drain pipe is provided with first blowdown valve.
Further, the furnace water circulation pump piping system further comprises a second filter connected between the cleaning piping and the furnace water circulation pump, the second filter configured to filter a flow of water entering the furnace water circulation pump; the second filter is provided with a second sewage draining outlet.
Further, the second sewage draining outlet is connected with a second sewage draining pipe, and the second sewage draining pipe is provided with a second sewage draining valve.
Further, the cleaning pipeline is provided with a cooler inlet door and a cooler outlet door, wherein the cooler inlet door is arranged between the first filter and the water injection cooler, and the cooler outlet door is arranged between the water injection cooler and the second filter.
Further, the cleaning pipeline is provided with a pressure gauge.
Further, the first pipeline is provided with a low-pressure water filling water inlet door which is located at the downstream of the joint of the branch pipeline and the first pipeline.
Further, the second pipeline is provided with a high-pressure water injection water inlet valve.
The utility model discloses beneficial effect that stove water circulating pump pipe-line system brought is:
the boiler water circulating pump pipeline system mainly comprises a first pipeline, a second pipeline, a first filter and a water injection cooler, wherein the first pipeline and the second pipeline are arranged in parallel, and an inlet of the first pipeline is connected with a condensed water pipeline and used for enabling condensed water with lower pressure to enter; the inlet of the second pipeline is connected with a high-pressure water supply pipeline and is used for enabling a water source with higher pressure to enter; outlets of the first pipeline and the second pipeline are both connected with an inlet of a first filter, an outlet of the first filter is connected with a motor chamber of the furnace water circulating pump through a cleaning pipeline, and the first filter is provided with a first drain outlet; the water injection cooler is used for cooling the cleaning pipeline; the first pipeline is provided with a branch pipeline, and an inlet of the branch pipeline is connected with a demineralized water main pipe.
When the chamber of the furnace water circulating pump motor needs to be flushed, the communication between the condensate water pipeline and the first pipeline is cut off, the communication between the high-pressure water supply pipeline and the second pipeline is cut off, and meanwhile, the main demineralized water pipe is connected with the first pipeline through the branch pipeline, so that the demineralized water enters the first pipeline through the branch pipeline and further enters the first filter through the inlet of the first filter for filtering; then, the filtered desalted water is discharged into a cleaning pipeline through an outlet of a first filter, and the desalted water in the cleaning pipeline is cooled by a water injection cooler; then, the desalted water subjected to cooling treatment in the cleaning pipeline is injected into a furnace water circulating pump and enters a motor cavity, so that the washing operation of the motor cavity is realized. Wherein, the impurities filtered by the first filter are discharged through the first discharge port.
Through set up the lateral pipeline in this stove water circulating pump pipe-line system to introduce first pipeline with the demineralized water in the demineralized water main pipe and wash for the motor cavity, optimized the water injection quality, thereby shortened and washed consuming time, practiced thrift the water source, improved and washed efficiency. And, filter for above-mentioned washing rivers through setting up first filter, further improved the water injection quality to boiler equipment's start-up process has been accelerated.
In addition, in the above furnace water circulating pump pipeline system, the first pipeline connected to the condensed water pipeline and the second pipeline connected to the high pressure water supply pipeline are both used as spare pipelines, wherein, in case of an accident, the high pressure water supply pipeline and the second pipeline are in a communicated state to inject high pressure water.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of a furnace water circulating pump pipeline system provided by the embodiment of the present invention.
Description of reference numerals:
010-a condensate pipe; 020-high pressure water supply pipeline; 030-demineralized water main pipe; 040-furnace water circulating pump; 100-a first conduit; 110-low pressure water injection water gate; 200-a second conduit; 210-a high-pressure water injection water inlet valve; 300-a first filter; 310-a first drain pipe; 320-a first purge valve; 400-water injection cooler; 500-branch lines; 510-demineralized water inlet valve; 600-a second filter; 610-a second sewage draining pipe; 620-second blowdown valve; 700-pressure gauge; 800-cleaning the pipeline; 810-a cooler entry door; 820-cooler exit door.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 is a schematic diagram of a pipeline system of a furnace water circulation pump provided in this embodiment. As shown in fig. 1, the present embodiment provides a furnace water circulating pump pipeline system, which includes a first pipeline 100, a second pipeline 200, a first filter 300, and a water injection cooler 400, specifically, the first pipeline 100 and the second pipeline 200 are arranged in parallel, an inlet of the first pipeline 100 is connected to a condensed water pipeline 010, and an inlet of the second pipeline 200 is connected to a high-pressure water supply pipeline 020; outlets of the first pipeline 100 and the second pipeline 200 are connected to an inlet of the first filter 300, an outlet of the first filter 300 is connected with a motor chamber of the furnace water circulating pump 040 through a cleaning pipeline 800, and the first filter 300 is provided with a first drain outlet; the water injection cooler 400 is configured to cool down the purge line 800; the first pipe 100 is provided with a branch pipe 500, and a demineralized water main 030 is connected to an inlet of the branch pipe 500.
When the chamber of the furnace water circulating pump 040 motor needs to be flushed, the communication between the condensed water pipeline 010 and the first pipeline 100 is cut off, the communication between the high-pressure water supply pipeline 020 and the second pipeline 200 is cut off, and meanwhile, the demineralized water main pipe 030 is connected with the first pipeline 100 through the branch pipeline 500, so that the demineralized water enters the first pipeline 100 through the branch pipeline 500 and further enters the first filter 300 through the inlet of the first filter 300 for filtering; then, the filtered demineralized water is discharged into the cleaning pipeline 800 through the outlet of the first filter 300, and the demineralized water in the cleaning pipeline 800 is cooled by the water injection cooler 400; then, the demineralized water subjected to the temperature reduction treatment in the cleaning pipeline 800 is injected into the furnace water circulating pump 040 and enters the motor chamber, so that the washing operation of the motor chamber is realized. Wherein the foreign substances filtered by the first filter 300 are discharged through the first drain port.
Through set up branch pipeline 500 in this stove water circulating pump pipe-line system to introduce first pipeline 100 with the demineralized water in the master pipe 030 of demineralized water and wash for the motor cavity, optimized the water injection quality, thereby shortened and washed consuming time, practiced thrift the water source, improved and washed efficiency. And, filter for above-mentioned washing rivers through setting up first filter 300, further improved the water injection quality to boiler equipment's start-up process has been accelerated.
In addition, in the above furnace water circulating pump pipe system, the first pipe 100 connected to the condensed water pipe 010 and the second pipe 200 connected to the high pressure water feed pipe 020 are used as spare pipes, wherein the high pressure water feed pipe 020 and the second pipe 200 are brought into a communication state to inject high pressure water when an accident occurs.
It should be noted that, in the present embodiment, "high pressure" and "low pressure" merely indicate that the pressure is relatively high and the pressure is relatively low, and do not indicate specific pressure values.
Referring to fig. 1, in the present embodiment, the branch line 500 is provided with a demineralized water inlet gate 510, and the demineralized water inlet gate 510 is configured to control the on/off of the branch line 500.
When the water injection operation is performed using the demineralized water in the demineralized water main pipe 030, the demineralized water inlet gate 510 is opened to make the branch line 500 in a connected state; when the water filling operation is completed, the demineralized water inlet gate 510 may be closed. By such an arrangement, the on-off state of the branch pipeline 500 can be conveniently controlled.
Referring to fig. 1, in the present embodiment, the number of the demineralized water inlet gates 510 is two.
Through setting up two demineralized water door 510 for when one of them demineralized water door 510 broke down, another demineralized water door 510 can be as standby valve, with the reliability of guaranteeing branch pipeline 500 control, thereby guaranteed the operational reliability of this embodiment stove water circulating pump pipe-line system.
Referring to fig. 1, in the present embodiment, the first drain port is connected to a first drain pipe 310, wherein the first drain pipe 310 is provided with a first drain valve 320.
After the furnace water circulation pump piping system is used for a certain period of time, the first drain valve 320 provided to the first drain pipe 310 may be opened, so that the impurities filtered through the first filter 300 are discharged. By such an arrangement, the centralized treatment of the impurities in the first filter 300 can be realized to reduce the pollution to the surrounding environment.
Referring to fig. 1, in the present embodiment, the furnace water circulation pump pipeline system further includes a second filter 600, specifically, the second filter 600 is connected between the cleaning pipeline 800 and the furnace water circulation pump 040, and the second filter 600 is configured to filter the water flow entering the furnace water circulation pump 040. Wherein the second filter 600 is provided with a second drain outlet.
The setting of second filter 600 can carry out the secondary for the rivers in the washing pipeline 800 and filter to further detach the impurity in the rivers, improve the water injection quality, thereby further shorten the water injection time, improve water injection efficiency, the reinforcing effect of washing. Wherein the impurities filtered by the second filter 600 are discharged from the second drain outlet.
Referring to fig. 1, in the present embodiment, specifically, the second sewage draining exit is connected to a second sewage draining pipe 610, and the second sewage draining pipe 610 is provided with a second sewage draining valve 620.
After the furnace water circulation pump piping system is used for a certain period of time, the second blow-off valve 620 provided in the second blow-off pipe 610 may be opened, so that the impurities filtered through the second filter 600 are discharged. With this arrangement, the impurities in the second filter 600 can be intensively treated to further reduce the pollution to the surrounding environment.
Referring to fig. 1, in the present embodiment, the cleaning pipeline 800 is provided with a cooler inlet door 810 and a cooler outlet door 820, specifically, the cooler inlet door 810 is disposed between the first filter 300 and the water injection cooler 400, and the cooler outlet door 820 is disposed between the water injection cooler 400 and the second filter 600.
When water injection is required, the cooler inlet door 810 and the cooler outlet door 820 are opened, so that the liquid filtered by the first filter 300 enters the cleaning pipeline 800 and further flows to the water injection cooler 400 for cooling treatment; thereafter, the water enters the second filter 600 for treatment, and finally enters the furnace water circulation pump 040.
Referring to fig. 1, in this embodiment, a pressure gauge 700 may be disposed in the cleaning pipe 800.
Through set up manometer 700 at washing pipeline 800, can realize the real-time demonstration to washing pipeline 800 middling pressure for the staff can in time learn the pipeline current pressure, in order to guarantee the normal work of this embodiment stove water circulating pump pipe-line system.
Referring to fig. 1, in the present embodiment, the first pipeline 100 is provided with a low pressure water filling inlet valve 110, wherein the low pressure water filling inlet valve 110 is located downstream of a junction of the branch pipeline 500 and the first pipeline 100. The second pipe 200 is provided with a high-pressure water injection water supply gate 210.
When the operation of filling the furnace water circulation pump 040 is not necessary, the low-pressure water filling inlet gate 110 and the high-pressure water filling inlet gate 210 may be closed, and the connection between the furnace water circulation pump 040 and both the first pipe 100 and the second pipe 200 may be disconnected.
Specifically, the number of the low pressure water filling inlet gates 110 may be two, wherein one of the low pressure water filling inlet gates 110 serves as a standby valve; similarly, the number of the high pressure water filling inlet gates 210 may be two, wherein one high pressure water filling inlet gate 210 serves as a backup valve.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The furnace water circulating pump pipeline system is characterized by comprising a first pipeline (100), a second pipeline (200), a first filter (300) and a water injection cooler (400), wherein the first pipeline (100) and the second pipeline (200) are arranged in parallel, an inlet of the first pipeline (100) is connected with a condensed water pipeline (010), and an inlet of the second pipeline (200) is connected with a high-pressure water supply pipeline (020); outlets of the first pipeline (100) and the second pipeline (200) are connected to an inlet of the first filter (300), an outlet of the first filter (300) is connected with a motor chamber of a furnace water circulating pump (040) through a cleaning pipeline (800), and the first filter (300) is provided with a first drain outlet; the water injection cooler (400) is configured to cool down the purge line (800); the first pipeline (100) is provided with a branch pipeline (500), and an inlet of the branch pipeline (500) is connected with a demineralized water main pipe (030).
2. The furnace water circulation pump piping system according to claim 1, wherein the branch piping (500) is provided with a demineralized water inlet gate (510), the demineralized water inlet gate (510) being configured to control the opening and closing of the branch piping (500).
3. The furnace water circulation pump piping system according to claim 2, wherein the number of the demineralized water inlet gates (510) is two.
4. The furnace water circulation pump piping system according to claim 1, wherein a first drain pipe (310) is connected to the first drain port, and the first drain pipe (310) is provided with a first drain valve (320).
5. The furnace water circulation pump piping system according to claim 1, further comprising a second filter (600), the second filter (600) being connected between the cleaning piping (800) and the furnace water circulation pump (040), the second filter (600) being configured to filter a flow of water entering the furnace water circulation pump (040); the second filter (600) is provided with a second sewage draining outlet.
6. The furnace water circulation pump piping system according to claim 5, characterized in that a second blow off pipe (610) is connected to the second blow off port, and the second blow off pipe (610) is provided with a second blow off valve (620).
7. The furnace water circulation pump piping system according to claim 6, characterized in that the purge piping (800) is provided with a cooler inlet door (810) and a cooler outlet door (820), wherein the cooler inlet door (810) is provided between the first filter (300) and the water injection cooler (400), and the cooler outlet door (820) is provided between the water injection cooler (400) and the second filter (600).
8. Furnace water circulation pump pipe system according to claim 1, characterized in that the purge pipe (800) is provided with a pressure gauge (700).
9. Furnace water circulation pump piping system according to any of claims 1-8, characterized in that the first piping (100) is provided with a low pressure water injection water gate (110), the low pressure water injection water gate (110) being located downstream of the junction of both the branch piping (500) and the first piping (100).
10. Furnace water circulation pump pipe system according to any of claims 1-8, characterized in that the second pipe (200) is provided with a high pressure water injection water gate (210).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022782454.2U CN214406010U (en) | 2020-11-26 | 2020-11-26 | Furnace water circulating pump pipeline system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022782454.2U CN214406010U (en) | 2020-11-26 | 2020-11-26 | Furnace water circulating pump pipeline system |
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| Publication Number | Publication Date |
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| CN214406010U true CN214406010U (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022782454.2U Active CN214406010U (en) | 2020-11-26 | 2020-11-26 | Furnace water circulating pump pipeline system |
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| CN (1) | CN214406010U (en) |
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2020
- 2020-11-26 CN CN202022782454.2U patent/CN214406010U/en active Active
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