CN219681119U

CN219681119U - Antifreezing emergency spray eye washing system

Info

Publication number: CN219681119U
Application number: CN202320961625.9U
Authority: CN
Inventors: 张鹏; 牛刚
Original assignee: Xinjiang Daqo New Energy Co Ltd
Current assignee: Xinjiang Daqo New Energy Co Ltd
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-09-15
Anticipated expiration: 2033-04-25

Abstract

The utility model relates to the technical field of safety protection of polysilicon production, in particular to an anti-freezing emergency spray leaching eye system, wherein the input end of a water supply pump is communicated with a water storage container; the water supply main pipe is communicated with the output end of the water supply pump; one end of the first water return pipe is communicated with the water supply main pipe, and the other end of the first water return pipe is communicated with the water storage container; the spray rinsing eye device comprises: a support tube, a spray nozzle, an eyewash nozzle, and a liquid collection member; the input end of the supporting tube is communicated with the water supply main pipe; the spray nozzle is connected to the support pipe through a first connecting pipe; the eyewash nozzle is connected to the support pipe through a second connecting pipe; the liquid collecting component is arranged at the periphery of the eyewash nozzle; the lower end of the liquid collecting component is connected with a liquid discharge pipe; the output end of the supporting tube is communicated with the second water return tube, and the other end of the supporting tube is communicated with the water storage container; the control system is respectively connected with the pressure transmitter and the regulating valve so as to control the regulating valve according to the collected pressure information. The utility model can prevent the pipeline from being frozen and blocked, and save the production cost.

Description

Antifreezing emergency spray eye washing system

Technical Field

The utility model relates to the technical field of safety protection of polysilicon production, in particular to an antifreezing emergency spray eye washing system.

Background

In the production of polysilicon, raw materials and products are produced such as: after substances such as trichlorosilane, silicon tetrachloride, hydrogen chloride, alkali liquor and the like are stained with skin and eyes, serious injury can be caused to human bodies; in order to reduce the harm of the substances to human bodies, the substances need to be washed by water in time; thus, there is a need for an emergency spray eye device in a polysilicon production area. Most of the existing emergency spray and drip washing devices adopt ground type single-pipe line water supply, the pressure in the pipeline is maintained at 0.3-0.5 MPa through a water supply pump, and when the emergency spray and drip washing device is required to be used, a valve is opened for use. In northern cold areas, electric tracing is generally arranged on water supply pipelines, and an insulating layer is additionally arranged to prevent the pipelines from being frozen and blocked. However, in the prior art, the water supply system supplies water for a single pipeline, the emergency spray eye device is used intermittently, the interior of the pipeline is dead water which does not flow in most of the time, under the extremely cold weather condition in winter, places where electric tracing heat is not tightly attached to the pipeline are easy to freeze, once the electric tracing heat is frozen and blocked, the pipeline is possibly cracked, the emergency spray eye device is paralyzed and cannot be used normally, and a large amount of energy is consumed by large-area electric tracing heat, so that the production cost is increased; some enterprises also adopt a long-flow mode for preventing freezing, water in the pipeline is kept in a flowing state by continuously spraying water through the water spray port, the mode not only can cause waste of the water and increase production cost, but also can cause the drainage ditch to freeze when the water flows to the drainage ditch.

Disclosure of Invention

In view of the above, the utility model provides an antifreezing emergency eye spray system, which mainly aims at preventing the pipeline from being frozen and blocked and saving the production cost.

In order to achieve the above purpose, the present utility model mainly provides the following technical solutions:

the embodiment of the utility model provides an antifreezing emergency spray eye washing system, which comprises a water storage container, a water supply pump, a water supply main pipe, a first return pipe, a spray eye washing device, a second return pipe and a control system;

the input end of the water supply pump is communicated with the water storage container;

the water supply main pipe is communicated with the output end of the water supply pump; the water supply main pipe is provided with a regulating valve; the water supply main pipe is provided with a pressure transmitter; the water supply main pipe is provided with a first control valve;

one end of the first water return pipe is communicated with the water supply main pipe, and the other end of the first water return pipe is communicated with the water storage container; a second control valve is arranged on the first water return pipe;

the spray eyewash device includes: a support tube, a spray nozzle, an eyewash nozzle, and a liquid collection member;

the input end of the supporting tube is communicated with the water supply main pipe;

the spray nozzle is connected to the support pipe through a connecting pipe and is used for spraying cleaning water downwards; a spray valve is arranged on the first connecting pipe;

the eyewash nozzle is connected to the supporting pipe through a second connecting pipe, and is positioned below the spray nozzle and used for spraying cleaning water upwards; an eye washing valve is arranged on the second connecting pipe;

the liquid collecting component is arranged at the periphery of the eyewash nozzle and is used for collecting liquid sprayed by the spraying nozzle and the eyewash nozzle; the lower end of the liquid collecting component is connected with a liquid discharge pipe;

the low point of the second connecting pipe is communicated with the liquid discharge pipe through a clean discharge pipe; a purge valve is arranged on the purge pipe;

the output end of the supporting tube is communicated with the second water return tube; the other end of the second water return pipe is communicated with the water storage container;

the control system is respectively connected with the pressure transmitter and the regulating valve so as to control the regulating valve according to the collected pressure information.

Further, the plurality of spraying eyewash devices are provided; the spraying eyewash devices are arranged in parallel.

Further, the first connecting pipe is wound with the first electric tracing.

Further, the second connecting pipe is wound with the second electric tracing heat.

Further, a first heat preservation layer is arranged on the outer side of the supporting tube;

a second heat preservation layer is arranged on the outer side of the first connecting pipe;

and a third heat insulation layer is arranged on the outer side of the second connecting pipe.

Further, the first heat preservation layer, the second heat preservation layer and the third heat preservation layer are glass wool layers.

By means of the technical scheme, the anti-freezing emergency spray eye washing system has at least the following advantages:

can prevent the pipeline from being frozen and blocked, and save the production cost.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

Drawings

FIG. 1 is a schematic diagram of an anti-freezing emergency spray eye-washing system according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of a spray eyewash device in an anti-freezing emergency spray eyewash system according to an embodiment of the present utility model.

The figure shows:

1 is a water storage container, 2 is a water supply pump, 3 is a water supply main, 4 is a regulating valve, 5 is a pressure transmitter, 6 is a control valve I, 7 is a control valve II, 8 is a spray eyewash device, 8-1 is a supporting tube, 8-2 is a spray nozzle, 8-3 is an eyewash nozzle, 8-4 is a liquid collecting component, 8-5 is a connecting tube I, 8-6 is a connecting tube II, 8-7 is a spray valve, 8-8 is an electric tracing I, 8-9 is an electric tracing II, 8-10 is an eyewash valve, 8-11 is a purge valve, 8-12 is a liquid discharge tube, 9 is a flow regulating valve I, 10 is a flow regulating valve II, 11 is a water return tube I, and 12 is a water return tube II.

Detailed Description

In order to further describe the technical means and effects adopted for achieving the preset aim of the utility model, the following detailed description refers to the specific implementation, structure, characteristics and effects according to the application of the utility model with reference to the accompanying drawings and preferred embodiments. In the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.

As shown in fig. 1 and 2, an antifreezing emergency spray eye washing system according to an embodiment of the present utility model includes a water storage container 1, a water supply pump 2, a water supply main 3, a first return pipe 11, a spray eye washing device 8, a liquid collecting member 8-4, a second return pipe 12 and a control system; the water storage container 1 can be a water storage tank, a water storage tank and the like. The input end of the water supply pump 2 is communicated with the water storage container 1; the water supply main pipe 3 is communicated with the output end of the water supply pump 2; the water in the water storage container 1 is delivered to the water supply header pipe 3 by the water supply pump 2. The water supply main pipe 3 is provided with a regulating valve 4 for regulating the water flow of the water supply main pipe 3; the water supply main pipe 3 is provided with a pressure transmitter 5 for detecting the water pressure in the water supply main pipe 3; the water supply main pipe 3 is provided with a control valve I6 for controlling the on-off of the water supply main pipe 3. One end of the first water return pipe 11 is communicated with the water supply main pipe 3, and the other end of the first water return pipe is communicated with the water storage container 1, so that water in the water supply main pipe 3 flows back to the water storage container 1; the first water return pipe 11 is provided with the second control valve 7 for controlling the water return flow of the first water return pipe 11, so that a small part of water in the water supply main pipe 3 can be returned, the minimum return flow of the water supply pump 2 is ensured, and the water supply pump 2 is protected.

The spray rinsing eye device 8 comprises: a support tube 8-1, a spray nozzle 8-2, an eyewash nozzle 8-3, and a liquid collection member 8-4; the input end of the supporting tube 8-1 is communicated with the water supply main pipe 3; the input end of the support tube 8-1 is provided with a first flow regulating valve 9 for regulating the flow of water input by the support tube 8-1; the first flow regulating valve 9 may be provided in a communication pipe between the support pipe 8-1 and the water supply main 3. The spray nozzle 8-2 is connected to the support pipe 8-1 through a first connecting pipe 8-5 for spraying the cleaning water downwards; the first connecting pipe 8-5 is provided with a spray valve 8-7 for controlling the water flow of the first connecting pipe 8-5. The eyewash nozzle 8-3 is connected to the support pipe 8-1 through a second connecting pipe 8-6, and the eyewash nozzle 8-3 is positioned below the spray nozzle 8-2 and is used for spraying cleaning water upwards; the second connecting pipe 8-6 is provided with an eyewash valve 8-10 for controlling the water flow of the second connecting pipe 8-6. The liquid collecting member 8-4 is arranged at the periphery of the eyewash nozzle 8-3 for collecting the liquid sprayed from the spray nozzle 8-2 and the eyewash nozzle 8-3; the liquid collecting member 8-4 has a drain pipe 8-12 connected to the lower end thereof for treating the washed water at a predetermined position for guiding the water. The low point of the second connecting pipe 8-6 is communicated with the liquid discharge pipe 8-12 through a discharge pipe, and is used for discharging accumulated water in the second connecting pipe 8-6 and preventing freezing and blocking. The purge pipe is provided with a purge valve 8-11 for controlling the on-off of the purge pipe. The output end of the supporting tube 8-1 is communicated with a second water return tube 12; the output end of the support tube 8-1 is provided with a second flow regulating valve 10 for regulating the flow of the output of the support tube 8-1. The second flow regulating valve 10 may be provided on the communication pipe between the support pipe 8-1 and the second return pipe 12. The other end of the second water return pipe 12 is communicated with the water storage container 1; the water in the water storage container 1 flows into the input end of the support pipe 8-1 through the water supply main pipe 3 by the water supply pump 2, flows back to the water storage container 1 from the output end of the support pipe 8-1 through the water return pipe II 12, and forms water circulation, so that the freezing and blocking phenomena of the water supply main pipe 3, the support pipe 8-1 and the water return pipe II 12 are avoided, and the spray nozzle 8-2 and the eyewash nozzle 8-3 can use water at any time.

When the spray eyewash device 8 is not in use, the eyewash valve 8-10 is closed, the spray valve 8-7 is closed, and the 8-11 drain valve is opened to prevent water accumulation.

When the spraying function of the spraying eyewash device 8 is used, the spraying valve 8-7 is opened, water is sprayed out from the spraying nozzle 8-2, the eyewash device can be used for washing, and after the eyewash device is used, the spraying valve 8-7 is kept in a closed state.

When the spraying eyewash device 8 is used for eyewash, the discharging valve 8-11 is closed firstly, then the eyewash valve 8-10 is opened, the eyewash nozzle 8-3 is sprayed with water, eyewash can be performed, after the use is finished, the eyewash valve 8-10 is closed, and the discharging valve 8-11 is opened to discharge residual water in the eyewash nozzle. The eyewash and drainage water are drained through drain pipes 8-12 to nearby drainage wells.

The control system is respectively connected with the pressure transmitter 5 and the regulating valve 4 to control the regulating valve 4 according to the collected pressure information, so as to ensure the water pressure in the water supply main pipe 3.

The anti-freezing emergency spray eye washing system provided by the embodiment of the utility model can prevent the pipeline from being frozen and blocked, and saves the production cost.

As a preference to the above-described embodiment, the number of spray eyewash 8 is plural; the plurality of spray rinsing eye devices 8 are arranged in parallel; the input ends of the supporting tubes 8-1 in the plurality of spray rinsing eye devices 8 are respectively communicated with the water supply main pipe 3; the output ends of the supporting tubes 8-1 in the spray rinsing devices 8 are respectively communicated with the second water return tube 12 so as to supply water to the spray rinsing devices 8 at the same time.

As preferable examples of the above embodiments, the shower valve 8-7, the eyewash valve 8-10, and the purge valve 8-11 are preferably electric switching valves; the spray valve 8-7, the eyewash valve 8-10 and the drain valve 8-11 are respectively connected with a control system. The control system is a distributed control system. The automatic control is realized by setting a program through a distributed control system and controlling the actions of the spray valve 8-7, the eyewash valve 8-10 and the drain valve 8-11 through keys, so that the use is more convenient and more convenient.

As a preference to the above embodiment, the water supply header pipe 3 is provided with a heater; the water supply main pipe 3 is provided with a thermometer to keep the water temperature entering the spray rinsing eye device 8 constant and ensure the proper water temperature in winter.

As the preferable mode of the embodiment, the first connecting pipe 8-5 is wound with the first electric tracing 8-8 to prevent the first connecting pipe 8-5 from freezing and blocking.

As the preferred embodiment, the second connecting pipe 8-6 is wound with the second electric tracing 8-9 to prevent the second connecting pipe 8-6 from freezing and blocking.

Preferably, the outer side of the support tube 8-1 is provided with a first heat insulating layer to insulate the support tube 8-1. The outer side of the first connecting pipe 8-5 is provided with a second heat preservation layer so as to preserve heat of the first connecting pipe 8-5. And a third heat insulation layer is arranged on the outer side of the second connecting pipe 8-6 so as to insulate the second connecting pipe 8-6. Further preferably, the first heat preservation layer, the second heat preservation layer and the third heat preservation layer are glass wool layers, the materials are conveniently obtained, and the heat preservation effect is good.

According to the anti-freezing emergency spray leaching eye system provided by the embodiment of the utility model, an upper backwater circulation mode is adopted, so that the freezing blockage risk of the emergency spray leaching eye device 8 in winter is reduced, and the anti-freezing long-flowing water in winter is saved.

The anti-freezing emergency spray leaching eye system provided by the embodiment of the utility model has the advantages of simple structure, greatly reduced electric tracing consumption, low investment and convenience for industrial production.

Further, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, with these terms only being used to distinguish one element from another. Without departing from the scope of the exemplary embodiments. Similarly, neither element nor element two is a sequence of elements only intended to distinguish one element from another element. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way, but any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. An antifreezing emergency spray eyewash system is characterized by comprising a water storage container, a water supply pump, a water supply main pipe, a first return pipe, a spray eyewash device, a second return pipe and a control system;

2. The freeze protection emergency spray eye system of claim 1, wherein,

the spray eyewash device is multiple; the spraying eyewash devices are arranged in parallel.

3. The freeze protection emergency spray eye system of claim 1, wherein the first connection tube is wrapped with first electric tracing.

4. The anti-freezing emergency spray eye system of claim 1, wherein the second connecting pipe is wound with the second electric tracing.

5. The anti-freezing emergency spray eye system of claim 1, wherein an insulation layer one is arranged on the outer side of the support tube;

6. The freeze protection emergency spray rinsing eye system of claim 5, wherein the first thermal insulation layer, the second thermal insulation layer and the third thermal insulation layer are glass wool layers.