CN214306456U - Safety protection system for preventing pipeline water attack - Google Patents
Safety protection system for preventing pipeline water attack Download PDFInfo
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- CN214306456U CN214306456U CN202022836682.3U CN202022836682U CN214306456U CN 214306456 U CN214306456 U CN 214306456U CN 202022836682 U CN202022836682 U CN 202022836682U CN 214306456 U CN214306456 U CN 214306456U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 239000000126 substance Substances 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
本实用新型属于化工设备技术领域，具体涉及一种防止管线水击的安全保护系统，其包括蒸汽管网、凝结水管网及两者之间设置的一条跨线或者相互并联的两条及两条以上的跨线，所述跨线上由蒸汽管网向凝结水管网依次设置切断阀、疏水器前温度测量仪表、疏水器及疏水器后温度测量仪表。其可有效避免凝结水管网发生水击的现象，保证了热工系统设备设施及现场操作人员的安全。
The utility model belongs to the technical field of chemical equipment, and in particular relates to a safety protection system for preventing pipeline water hammer, which comprises a steam pipe network, a condensate water pipe network and a spanning line or two or two connected in parallel between the two. For the above-mentioned crossover lines, a shut-off valve, a temperature measuring instrument before the steam trap, a steam trap and a temperature measuring instrument after the steam trap are arranged in sequence from the steam pipe network to the condensate water pipe network. It can effectively avoid the phenomenon of water hammer in the condensed water pipe network, and ensure the safety of thermal system equipment and facilities and on-site operators.
Description
Technical Field
The utility model belongs to the technical field of chemical industry equipment, concretely relates to prevent safety protection system of pipeline water hammer.
Background
In the chemical production process, 1.0MPa steam produced by a thermal engineering system exchanges heat with equipment and pipelines to produce a mixed solution of the steam and condensed water, the mixed solution is filtered by a plurality of steam traps, and the condensed water enters a 1.0MPa condensed water pipe network. Due to long-term use failure of the steam trap or improper adjustment of the steam trap position, part of 1.0MPa steam enters the condensed water pipe network to be generated, and the steam pushes the condensed water to generate water hammer on the condensed water pipe network. The water hammer causes energy waste of steam and damages to pipelines, and when the pipelines are damaged seriously, system shutdown and production halt are caused, and serious economic loss is brought to enterprises.
SUMMERY OF THE UTILITY MODEL
In view of the defects of the prior art, the utility model provides a prevent safety protection system of pipeline water attack, its water attack phenomenon that reduces or even eliminates the condensate pipe net to guarantee equipment facilities and operating personnel's safety.
In order to achieve the purpose, the technical scheme provided by the application is a safety protection system for preventing water attack of a pipeline, which comprises a steam pipe network, a condensed water pipe network and a cross line arranged between the steam pipe network and the condensed water pipe network or two or more cross lines connected in parallel, wherein a stop valve, a front temperature measuring instrument of a steam trap, the steam trap and a rear temperature measuring instrument of the steam trap are sequentially arranged on the cross line from the steam pipe network to the condensed water pipe network.
Preferably, the temperature measuring instrument before the steam trap is a temperature remote transmission instrument before the steam trap; the steam trap rear temperature measuring instrument is a steam trap rear temperature remote transmission instrument.
Furthermore, a steam trap front hand valve is arranged on a pipeline between the stop valve and the steam trap front temperature measuring instrument.
Furthermore, a steam trap rear hand valve is arranged on a pipeline between the steam trap rear temperature remote transmitter and a joint of the cross line on the condensation water pipe network.
Furthermore, a buffer tank is arranged on a pipeline between the trap back hand valve and a junction of the cross line on the condensed water pipe network, the buffer tank comprises a tank body, a condensed water inlet pipeline interface and a condensed water outlet pipeline interface are arranged at the lower part of the tank body, and an emptying pipe is arranged at the top of the tank body; the interface of the condensed water inlet pipeline is connected with the back hand valve of the steam trap, and the interface of the condensed water outlet pipeline is connected with the condensed water pipe network.
Furthermore, the interface position of the condensed water inlet pipeline is provided with an inlet valve, the interface position of the condensed water outlet pipeline is provided with an outlet valve, and the emptying pipe is provided with an emptying valve.
Preferably, the steam pipe network is a 1.0MPa steam pipe network.
Preferably, the condensed water pipe network is a 1.0MPa steam pipe network.
To the further explanation of the utility model: because the temperature of the 1.0MPa steam is different from that of the 1.0MPa condensate, the working state of the steam trap is monitored by monitoring the temperature difference between the two media, and when the steam is found to be connected into the condensate pipe network, the stop valve is immediately closed, and the steam trap is timely adjusted and replaced.
Utility model's beneficial effect: the phenomenon of water hammer of the condensation water pipe network can be effectively avoided, and the safety of equipment facilities of the thermal engineering system and field operators is ensured.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of example 2;
FIG. 3 is a schematic structural view of embodiment 3;
in the figure: 1. the system comprises a steam pipe network, 2 parts of a condensed water pipe network, 3-1 parts of a steam trap front hand valve, 3-2 parts of a steam trap rear hand valve, 3-3 parts of a steam trap front temperature measuring instrument, 3-4 parts of a steam trap rear temperature measuring instrument, 3-5 parts of a steam trap, 3-6 parts of a steam trap, a cut-off valve, 3-7 parts of a remote transmission instrument control system, 4 parts of a buffer tank, 4-1 parts of a tank body, 4-2 parts of a condensed water inlet pipeline interface, 4-3 parts of a condensed water outlet pipeline interface, 4-4 parts of an emptying pipe, 4-5 parts of an inlet valve, 4-6 parts of an outlet valve, 4-7 parts of an emptying valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the following description is made with reference to the accompanying drawings and specific examples.
Example 1
A safety protection system for preventing pipeline water hammer comprises a steam pipe network 1, a condensed water pipe network 2 and two or more than two cross lines 3 which are arranged between the steam pipe network 1 and the condensed water pipe network 2 and are connected in parallel, wherein a stop valve 3-6, a steam trap front temperature measuring instrument 3-3, a steam trap 3-5 and a steam trap rear temperature measuring instrument 3-4 are sequentially arranged on the cross lines 3 from the steam pipe network 1 to the condensed water pipe network 2.
Further, a steam trap front hand valve 3-1 is arranged on a pipeline between the stop valve 3-6 and the steam trap front temperature measuring instrument 3-3.
Further, a steam trap rear hand valve 3-2 is arranged on a pipeline between the steam trap rear temperature measuring instrument 3-4 and the junction of the span line 3 on the condensation water pipe network 2.
Preferably, the steam pipe network 1 is a 1.0MPa steam pipe network.
Preferably, the condensed water pipe network 2 is a 1.0MPa steam pipe network.
The working process of the embodiment: in the normal thermal production process, the steam temperature of 1.0MPa is about 185 ℃, and the condensate temperature of 1.0MPa is about 120 ℃. A stop valve and a temperature remote device are arranged in front of a steam trap and between a 1.0MPa steam pipe network and a 1.0MPa condensate pipe network, and a temperature measuring instrument is arranged behind the steam trap. The observation can be carried out, when the temperature difference between the front and the back of the steam trap is less than or equal to 40 ℃, the front cut-off valve of the steam trap is closed, so that an operator can adjust and replace the steam trap in time. Thereby avoiding the 1.0MPa steam from entering the 1.0MPa condensed water system and avoiding the water hammer phenomenon of the 1.0MPa condensed water pipe network.
Example 2
A safety protection system for preventing pipeline water hammer comprises a steam pipe network 1, a condensed water pipe network 2 and a cross line 3 arranged between the steam pipe network 1 and the condensed water pipe network 2, wherein a stop valve 3-6, a steam trap front temperature measuring instrument 3-3, a steam trap 3-5 and a steam trap rear temperature measuring instrument 3-4 are sequentially arranged on the cross line 3 from the steam pipe network 1 to the condensed water pipe network 2.
Preferably, the temperature measuring instrument 3-3 before the steam trap is a temperature remote transmitter before the steam trap; the post-steam trap temperature measuring instrument 3-4 is a post-steam trap temperature remote transmission instrument.
Further, a steam trap front hand valve 3-1 is arranged on a pipeline between the stop valve 3-6 and the steam trap front temperature measuring instrument 3-3.
Further, a steam trap rear hand valve 3-2 is arranged on a pipeline between the steam trap rear temperature measuring instrument 3-4 and the junction of the span line 3 on the condensation water pipe network 2.
Preferably, the steam pipe network 1 is a 1.0MPa steam pipe network.
Preferably, the condensed water pipe network 2 is a 1.0MPa steam pipe network.
Further, a cut-off valve 3-6, a steam trap front temperature measuring instrument 3-3 and a steam trap rear temperature measuring instrument 3-4 are respectively connected to a remote transmission instrument control system 3-7 through electric signals.
In the working process of the embodiment, the steam temperature of 1.0MPa is about 185 ℃ and the condensate temperature of 1.0MPa is about 120 ℃ in the normal thermal production process. A stop valve and a temperature remote meter are arranged in front of a steam trap and between a 1.0MPa steam pipe network and a 1.0MPa condensate pipe network, and a temperature remote meter is arranged behind the steam trap. When the temperature difference between the front and the rear of the steam trap is less than or equal to 40 ℃, the remote control system closes the front stop valve of the steam trap and gives an alarm in the DCS, so that an operator can adjust and replace the steam trap in time. Thereby avoiding the 1.0MPa steam from entering the 1.0MPa condensed water system and avoiding the water hammer phenomenon of the 1.0MPa condensed water pipe network.
Example 3
A safety protection system for preventing pipeline water hammer comprises a steam pipe network 1, a condensed water pipe network 2 and more than two cross lines 3 which are arranged between the steam pipe network 1 and the condensed water pipe network 2 and are connected in parallel, wherein a stop valve 3-6, a steam trap front temperature measuring instrument 3-3, a steam trap 3-5 and a steam trap rear temperature measuring instrument 3-4 are sequentially arranged on the cross lines 3 from the steam pipe network 1 to the condensed water pipe network 2.
Preferably, the temperature measuring instrument 3-3 before the steam trap is a temperature remote transmitter before the steam trap; the post-steam trap temperature measuring instrument 3-4 is a post-steam trap temperature remote transmission instrument.
Further, a steam trap front hand valve 3-1 is arranged on a pipeline between the stop valve 3-6 and the steam trap front temperature measuring instrument 3-3.
Further, a steam trap rear hand valve 3-2 is arranged on a pipeline between the steam trap rear temperature measuring instrument 3-4 and the junction of the span line 3 on the condensation water pipe network 2.
Furthermore, a buffer tank 4 is arranged on a pipeline between the junction of the steam trap back hand valve 3-2 and the cross line 3 on the condensed water pipe network 2, the buffer tank 4 comprises a tank body 4-1, a condensed water inlet pipeline interface 4-2 and a condensed water outlet pipeline interface 4-3 are arranged at the lower part of the tank body 4-1, and an emptying pipe 4-4 is arranged at the top of the tank body 4-1; the condensed water inlet pipeline interface 4-2 is connected with the steam trap back hand valve 3-2, and the condensed water outlet pipeline interface 4-3 is connected with the condensed water pipe network 2.
Furthermore, an inlet valve 4-5 is arranged at the position 4-2 of the condensed water inlet pipeline interface, an outlet valve 4-6 is arranged at the position 4-3 of the condensed water outlet pipeline interface, and an emptying valve 4-7 is arranged on the emptying pipe 4-4.
Preferably, the steam pipe network 1 is a 1.0MPa steam pipe network.
Preferably, the condensed water pipe network 2 is a 1.0MPa steam pipe network.
In the working process of the embodiment, the steam temperature of 1.0MPa is about 185 ℃ and the condensate temperature of 1.0MPa is about 120 ℃ in the normal thermal production process. A stop valve 3-6 and a temperature measuring instrument 3-3 are arranged in front of a steam trap and a temperature measuring instrument 3-4 is arranged behind the steam trap between a 1.0MPa steam pipe network and a 1.0MPa condensate pipe network. An operator observes the front temperature measuring instrument 3-3 of the steam trap and the rear temperature measuring instrument 3-4 of the steam trap, when the temperature difference between the front and the rear of the steam trap is less than or equal to 40 ℃, the front cut-off valve of the steam trap is closed, and an alarm is given in a DCS system, so that the operator can adjust and replace the steam trap 3-5 in time. Thereby avoiding the 1.0MPa steam from entering the 1.0MPa condensed water system and avoiding the water hammer phenomenon of the 1.0MPa condensed water pipe network.
If in the working process, when one or more of the stop valve 3-6, the steam trap front temperature measuring instrument 3-3 and the steam trap rear temperature measuring instrument 3-4 has faults, the temperature control process can not be utilized to judge whether the steam trap has faults or not in time, so that when adjustment and replacement are carried out, after steam is connected into the buffer tank 4 in series through a pipeline, the steam can float upwards in the buffer tank 4, the buffer tank 4 can prevent the steam from being connected into the condensed water pipe network 2 in series, and the steam is emptied through the emptying pipe 4-4 and the emptying valve 4-7 arranged at the upper part of the buffer tank 4 if necessary.
The above description is only for the preferred embodiment of the present invention, and not intended to limit the present invention in any way, and those skilled in the art can make various modifications, equivalent changes and modifications using the above-described technical content, all of which fall within the scope of the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022836682.3U CN214306456U (en) | 2020-12-01 | 2020-12-01 | Safety protection system for preventing pipeline water attack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022836682.3U CN214306456U (en) | 2020-12-01 | 2020-12-01 | Safety protection system for preventing pipeline water attack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214306456U true CN214306456U (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022836682.3U Expired - Fee Related CN214306456U (en) | 2020-12-01 | 2020-12-01 | Safety protection system for preventing pipeline water attack |
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| CN (1) | CN214306456U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115857593A (en) * | 2022-12-21 | 2023-03-28 | 大连福佳·大化石油化工有限公司 | steam protection system |
-
2020
- 2020-12-01 CN CN202022836682.3U patent/CN214306456U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115857593A (en) * | 2022-12-21 | 2023-03-28 | 大连福佳·大化石油化工有限公司 | steam protection system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230413 Address after: 200131 W205, Floor 2, West Building, No. 168, Meisheng Road, China (Shanghai) Pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: Shanghai Gulei Engineering Management Co.,Ltd. Address before: 116000 2-3-1, No.3, lvzhouyuan, Ganjingzi District, Dalian City, Liaoning Province Patentee before: Hao Zeying |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210928 |
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| CF01 | Termination of patent right due to non-payment of annual fee |