CN212506538U - Waterless alarm device for water supply pump machine seal cooling water - Google Patents
Waterless alarm device for water supply pump machine seal cooling water Download PDFInfo
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- CN212506538U CN212506538U CN202021060576.4U CN202021060576U CN212506538U CN 212506538 U CN212506538 U CN 212506538U CN 202021060576 U CN202021060576 U CN 202021060576U CN 212506538 U CN212506538 U CN 212506538U
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- cooling water
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Abstract
The utility model discloses an anhydrous alarm device for cooling water is sealed to feed pump machine, including the feed pump, pressure sensor, the cooling water storage tank, control system and siren, the water inlet of the machine of feed pump seals the cooling water and the delivery port of cooling water storage tank passes through first pipeline intercommunication, the delivery port of the machine of feed pump seals the cooling water and passes through the second pipeline intercommunication with the water inlet of cooling water storage tank, pressure sensor sets up on first pipeline, be used for detecting the water pressure on the first pipeline, the water inlet of the machine of feed pump seals the cooling water still communicates with emergent cooling water tank through emergent water pipe, be provided with the control valve on the emergent water pipe, pressure sensor, siren and control valve are connected with the control system electricity respectively, control system can control opening and close of siren and control valve. The utility model is used for the sensitivity of the anhydrous alarm device of cooling water is sealed to the water supply pump machine is high, can guarantee the normal supply of cooling water is sealed to the water supply pump machine.
Description
Technical Field
The utility model relates to a monitoring control equipment technical field especially relates to a no water alarm device that is used for cooling water of water supply pump machine seal.
Background
The chemical industry is very common in the production industry, and general chemical production needs the feed pump to use and transmit various liquid-phase raw and auxiliary materials, especially when transmitting high-temperature materials, needs to utilize machine to seal cooling water and cool down the feed pump to guarantee high efficiency and security when the material is transmitted. However, the general water supply pump does not have the function of detecting the existence of inorganic seal cooling water, so that it is necessary to design a water-free alarm device for the water supply pump machine seal cooling water.
The patent CN201720838404 discloses an oil temperature circulating cooling alarm device for a hydraulic system, which detects the cooling effect by adding a heat conducting fin to an oil tank to detect the temperature difference change, and has the advantages of simple device and convenient use; however, the detection device is directly connected with the oil tank, so that the oil tank is easy to malfunction, has low detection sensitivity and is easy to be influenced by the environment, thereby generating potential safety hazard to production, influencing the production efficiency and prolonging the service life of equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a no water alarm device for cooling water is sealed to feed pump machine to solve the problem that above-mentioned prior art exists, improve the sensitivity that detects, avoid taking place failure phenomenon.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a waterless alarm device for water supply pump seal cooling water, which comprises a water supply pump, a pressure sensor, a cooling water storage tank, a control system and an alarm, the water inlet of the machine seal cooling water of the water feed pump is communicated with the water outlet of the cooling water storage tank through a first pipeline, the water outlet of the machine seal cooling water of the water feed pump is communicated with the water inlet of the cooling water storage tank through a second pipeline, the pressure sensor is arranged on the first pipeline and used for detecting the water pressure on the first pipeline, the water inlet of the machine seal cooling water of the water feed pump is also communicated with an emergency cooling water tank through an emergency water pipe, the emergency water pipe is provided with a control valve, the pressure sensor, the alarm and the control valve are respectively electrically connected with the control system, and the control system can control the opening and closing of the alarm and the control valve.
Preferably, the control system is a liquid level controller.
Preferably, the alarm is an acousto-optic alarm.
Preferably, the control system is also electrically connected with a DCS control room.
The utility model discloses for prior art gain following technological effect:
the utility model is used for the sensitivity of the anhydrous alarm device of cooling water is sealed to water supply pump machine is high, and the water pressure on the pipeline between the water inlet of the machine of cooling water is sealed to the machine that can real-time supervision water supply pump and the delivery port of cooling water storage tank when this water pressure is less than the setting value, control system can open the control valve immediately, introduces emergent cooling water through emergent water pipe, has guaranteed the normal supply of cooling 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 embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the waterless alarm device for water pump machine seal cooling water of the present invention;
wherein: 1-a pressure sensor, 2-a control valve, 3-a water supply pump, 4-a control system, 5-an alarm, 6-a cooling water storage tank and 7-an emergency water pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model aims at providing a no water alarm device for cooling water is sealed to feed pump machine to solve the problem that above-mentioned prior art exists, improve the sensitivity that detects, avoid taking place failure phenomenon.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1: this embodiment is used for water-free alarm device of 3 machine seal cooling waters of feed pump including feed pump 3, pressure sensor 1, cooling water storage tank 6, control system 4 and siren 5, the water inlet of the machine seal cooling water of feed pump 3 passes through first pipeline intercommunication with the delivery port of cooling water storage tank 6, the delivery port of the machine seal cooling water of feed pump 3 passes through the second pipeline intercommunication with the water inlet of cooling water storage tank 6, pressure sensor 1 sets up on first pipeline, be used for detecting the water pressure on the first pipeline, the water inlet of the machine seal cooling water of feed pump 3 still communicates through emergent water pipe 7 and emergent cooling water tank, be provided with control valve 2 on the emergent water pipe 7, pressure sensor 1, siren 5 and control valve 2 are connected with control system 4 electricity respectively, control system 4 can control opening and close of siren 5 and control valve 2.
In this embodiment, the control system 4 is a liquid level controller with model number SZD-AH. The alarm 5 is an audible and visual alarm. The control system 4 is also electrically connected to the DCS control room.
The working principle of the waterless alarm device for the machine seal cooling water of the feed pump 3 is as follows:
the control system 4 is used for receiving a water pressure signal detected by the pressure sensor 1 in real time, when the water pressure signal value is lower than a set value (the set value is 0.1MPa in the embodiment), the control system 4 controls the alarm 5 to give an alarm to field personnel and a DCS control room, and simultaneously gives a processing signal to the control valve 2 to open the control valve 2, so that emergency cooling water is introduced through the emergency water pipe 7, and the normal supply of the cooling water is ensured.
In the description of the present invention, it is noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (4)
1. The utility model provides a no water alarm device for feedwater pump machine seals cooling water which characterized in that: including feed pump, pressure sensor, cooling water storage tank, control system and siren, the machine of feed pump seal the water inlet of cooling water with the delivery port of cooling water storage tank passes through first pipeline intercommunication, the machine of feed pump seal the delivery port of cooling water with the water inlet of cooling water storage tank passes through the second pipeline intercommunication, pressure sensor sets up on the first pipeline, be used for detecting water pressure on the first pipeline, the machine of feed pump seals the water inlet of cooling water and still communicates through emergent water pipe and emergent cooling water tank, be provided with the control valve on the emergent water pipe, pressure sensor the siren with the control valve respectively with the control system electricity is connected, control system can control the siren with the opening and close of control valve.
2. The waterless alarm device for feedwater pump machine seal cooling water of claim 1, wherein: the control system is a liquid level controller.
3. The waterless alarm device for feedwater pump machine seal cooling water of claim 1, wherein: the alarm is an acousto-optic alarm.
4. The waterless alarm device for feedwater pump machine seal cooling water of claim 1, wherein: the control system is also electrically connected with the DCS control room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021060576.4U CN212506538U (en) | 2020-06-10 | 2020-06-10 | Waterless alarm device for water supply pump machine seal cooling water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021060576.4U CN212506538U (en) | 2020-06-10 | 2020-06-10 | Waterless alarm device for water supply pump machine seal cooling water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212506538U true CN212506538U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021060576.4U Active CN212506538U (en) | 2020-06-10 | 2020-06-10 | Waterless alarm device for water supply pump machine seal cooling water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212506538U (en) |
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2020
- 2020-06-10 CN CN202021060576.4U patent/CN212506538U/en active Active
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