CN220079212U

CN220079212U - Steam condensate recycling device for electrolysis section

Info

Publication number: CN220079212U
Application number: CN202321640834.XU
Authority: CN
Inventors: 张晓林; 赵爱; 王生辉
Original assignee: Lanzhou Hewei Environmental Protection Technology Co ltd
Current assignee: Lanzhou Hewei Environmental Protection Technology Co ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-11-24
Anticipated expiration: 2033-06-27

Abstract

The utility model relates to the field of recovery of electrolytic steam condensate water and discloses a recovery and utilization device of the steam condensate water in an electrolytic working section, which comprises a collecting barrel and a water conveying pump, wherein the top of the collecting barrel is provided with a tank body and a collecting pipe, the collecting pipe is communicated with the collecting barrel, a connecting pipe communicated with the collecting pipe is fixedly connected to the collecting pipe, the connecting pipe is communicated with the tank body, a first pressure relief valve is arranged on the connecting pipe and is used for controlling a medium to flow in the connecting pipe, the bottom of the tank body is fixedly connected with a sewer pipe communicated with the tank body, the sewer pipe is communicated with the collecting barrel, and a first valve is arranged on the sewer pipe. Compared with the prior art, the collecting barrel can convey high-temperature steam to another airtight space for storage when the collecting barrel is used for pressure relief, and the condensed water is collected after the high-temperature steam is condensed into water, so that the direct discharge of the high-temperature steam is avoided, and the recovery efficiency of the condensed water is improved.

Description

Steam condensate recycling device for electrolysis section

Technical Field

The utility model relates to the field of recovery of electrolytic steam condensate water, in particular to a device for recycling the steam condensate water in an electrolytic section.

Background

Electrolysis is one of the chlorine and alkali production processes, and a large amount of steam condensate water is generated in the production process, so that the system needs to be discharged to the public engineering for discharging when the system is under low load, and great water resource waste is caused.

Therefore, the condensate water can be recycled to the circulating water tank of the public engineering workshop for water supplementing through the reconstruction engineering, so that the waste water discharge capacity is greatly reduced, the water supplementing amount of the circulating water tank production water is reduced, and the production cost is reduced.

However, in the process of recovering condensed water, part of uncondensed high-temperature steam enters a condensed water storage container along with the condensed water, so that the pressure in the container is increased, in the prior art, a pressure release mechanism is generally arranged on the container, and when the internal pressure of the container exceeds a threshold value, the container releases pressure through the pressure release mechanism, so that the uncondensed high-temperature steam is directly discharged to the outside, but the condensed water generated by the part of high-temperature steam is wasted, so that a steam water recovery device capable of reducing the waste of the high-temperature steam is needed to be accomplished

Disclosure of Invention

The utility model aims to: aiming at the problems pointed out in the background art, the utility model discloses a steam condensate recycling device for an electrolysis working section, which detects the pressure in a collecting barrel through a pressure relief valve, and the tank body can recycle and condense redundant high-temperature steam, so that the direct discharge of high-temperature steam is avoided, and the recovery efficiency of condensate is improved.

The technical scheme is as follows: the utility model provides a steam condensate recycling device for an electrolysis working section, which comprises a collecting barrel and a water conveying pump, wherein the top of the collecting barrel is provided with a tank body and a collecting pipe, the collecting pipe is communicated with the collecting barrel, a connecting pipe communicated with the collecting pipe is fixedly connected to the collecting pipe, the connecting pipe is communicated with the tank body, a first pressure relief valve is arranged on the connecting pipe and used for controlling a medium to flow in the connecting pipe, the bottom of the tank body is fixedly connected with a sewer pipe communicated with the sewer pipe, the sewer pipe is communicated with the collecting barrel, and a first valve is arranged on the sewer pipe.

Further, the water inlet end of the water delivery pump is positioned in the collecting barrel, and the water delivery pipe is fixedly connected with the water outlet end of the water delivery pump.

Further, the water delivery pump is a submersible pump, the submersible pump is positioned at the bottom in the collecting barrel, a through hole is formed in the top surface of the collecting barrel, and the free end of the water delivery pipe penetrates through the through hole and is positioned outside the collecting barrel.

Preferably, the periphery of the water delivery pipe is fixedly connected with a sealing ring, and one end of the sealing ring is positioned in the through hole.

Preferably, a pressure relief pipe communicated with the tank body is arranged on the tank body, and a second pressure relief valve is arranged on the pressure relief pipe.

Preferably, a drain pipe communicated with the bottom of the side wall of the collecting barrel is fixedly arranged at the bottom of the side wall of the collecting barrel, and a second valve is arranged on the drain pipe.

Preferably, a liquid level meter is installed at the top of the collecting barrel and is used for detecting the liquid level of condensed water in the collecting barrel.

Advantageous effects

Through setting up jar body, connecting pipe and first relief valve, connecting pipe and collecting pipe intercommunication, outside comdenstion water is through the collecting pipe entering collecting vat in, consequently, first relief valve can detect the inside pressure of collecting vat, when the inside pressure of collecting vat exceeded the threshold value, first relief valve can be opened, thereby make the connecting pipe switch on, at this moment, outside comdenstion water and the high temperature steam that it carried can get into the jar internal temporary storage of making through the connecting pipe, until high temperature steam condensate water, open first valve again, thereby make the internal comdenstion water of jar carry to the collecting vat in through the downcomer, the collecting vat of this device is when carrying out the pressure release, can carry another inclosed space with high temperature steam and store, after its condensation becomes water, collect the comdenstion water again, thereby avoid high temperature steam direct discharge, the recovery efficiency of comdenstion water has been improved.

The water delivery pump is the immersible pump, and it is inside directly being located the collecting vessel, consequently, need not at its water inlet end connecting tube to reduce the pipeline of this device and use, and can avoid immersible pump direct exposure in the external environment.

The outer wiring of raceway and immersible pump can pass the through-hole and be connected with outside corresponding mechanism to, sealing washer one end is located the through-hole, in order to guarantee the leakproofness of through-hole behind the outer wiring of raceway and immersible pump passes the through-hole.

The tank body is communicated with the pressure relief pipe, the pressure relief pipe is provided with a second pressure relief valve, and when the pressure in the tank body exceeds a threshold value, the second pressure relief valve can be opened, so that the pressure in the tank body is discharged through the pressure relief pipe, and the pressure in the tank body is ensured to be in a safe interval.

The liquid level meter can detect the liquid level of the condensed water in the collecting barrel so as to facilitate personnel to judge the quantity of the condensed water in the collecting barrel.

Drawings

FIG. 1 is a schematic diagram of a steam condensate recycling device in an electrolysis section;

FIG. 2 is a schematic cross-sectional view of a collecting tank of the steam condensate recycling device in the electrolysis section;

FIG. 3 is an enlarged schematic view of a portion of FIG. 2A of the electrolysis section steam condensate recycling apparatus;

fig. 4 is a schematic view of a condensed water transport path of the electrolysis section steam condensed water recycling apparatus.

In the figure: 1. a collecting barrel; 2. a drain pipe; 3. a second valve; 4. a tank body; 5. a collection pipe; 6. a connecting pipe; 7. a first pressure relief valve; 8. a second pressure relief valve; 9. a pressure relief tube; 10. a water supply pipe; 11. a first valve; 12. a liquid level gauge; 13. a seal ring; 14. a water pipe; 15. a water pump; 16. and a through hole.

Description of the embodiments

The present utility model will be described in detail with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Embodiment 1:

as shown in fig. 1-4, the steam condensate recycling device in the electrolysis section comprises a collecting barrel 1 and a water delivery pump 15, wherein the collecting barrel 1 is used for collecting condensate, the water delivery pump 15 is used for delivering the condensate in the collecting barrel 1 to a circulating water tank of a workshop, a tank body 4 and a collecting pipe 5 are arranged at the top of the collecting barrel 1, the collecting pipe 5 is communicated with the collecting barrel 1, the condensate can flow into the collecting barrel 1 through the collecting pipe 5, a connecting pipe 6 communicated with the collecting pipe 5 is fixedly connected to the collecting pipe 5, the connecting pipe 6 is communicated with the tank body 4, a first pressure relief valve 7 is arranged on the connecting pipe 6, the first pressure relief valve 7 is used for controlling a medium to flow in the connecting pipe 6, when the pressure in the collecting barrel 1 exceeds a threshold value, the first pressure relief valve 7 can be opened, so that the connecting pipe 6 is conducted, at the moment, external condensate and high-temperature steam carried by the external condensate can enter the tank body 4 through the connecting pipe 6 to be temporarily stored until the high-temperature steam condenses into the water, a lower water pipe 10 communicated with the tank body 4 is fixedly connected to the bottom of the collecting barrel 4, the lower water pipe 10 is communicated with the collecting barrel 1, a first valve 11 is arranged on the lower water pipe 10, the lower water pipe 11 is used for controlling the medium to flow into the collecting barrel 6, and the final operation can be completed through the lower water pipe 10.

The water inlet end of the water delivery pump 15 is positioned in the collecting barrel 1, the water outlet end of the water delivery pump 15 is fixedly connected with a water delivery pipe 14, and the water delivery pipe 14 can be connected with a water inlet of a circulating water tank of a workshop, so that when the water delivery pump 15 works, condensed water in the collecting barrel 1 can be delivered into the circulating water tank for subsequent use.

The water transmission pump 15 is the immersible pump, and the immersible pump is located the inner bottom of collecting vessel 1, and the immersible pump can be directly located inside the collecting vessel 1, and through-hole 16 has been seted up on collecting vessel 1 top surface, and raceway 14 free end runs through-hole 16 and is located outside the collecting vessel 1, and the external electric wire of immersible pump also can be located outside the collecting vessel 1 through-hole 16 to the personnel of being convenient for connect external electric wire connection outside power supply unit of immersible pump.

The periphery of the water delivery pipe 14 is fixedly connected with a sealing ring 13, one end of the sealing ring 13 is positioned in the through hole 16, the cross section area of the sealing ring 13 is T-shaped, and the sealing performance between the through hole 16 and the water delivery pipe 14 can be improved.

The tank body 4 is provided with a pressure relief pipe 9 communicated with the tank body, the pressure relief pipe 9 is provided with a second pressure relief valve 8, and when the pressure inside the tank body 4 exceeds a threshold value, the second pressure relief valve 8 can be opened, so that the pressure inside the tank body 4 is discharged through the pressure relief pipe 9.

The drain pipe 2 communicated with the collecting barrel 1 is fixedly arranged at the bottom of the side wall of the collecting barrel 1, the second valve 3 is arranged on the drain pipe 2, and a person can open the second valve 3, so that condensed water in the collecting barrel 1 is discharged through the pressure relief pipe 9.

The liquid level meter 12 is installed at the top of the collecting barrel 1, and the liquid level meter 12 is used for detecting the liquid level of the condensed water in the collecting barrel 1 so as to facilitate personnel to judge the quantity of the condensed water in the collecting barrel 1.

Working principle: the collecting pipe 5 is connected with the condensed water conveying pipeline, external condensed water and high-temperature steam mixed with the external condensed water can enter the tank body 4, the high-temperature steam is cooled in the tank body 4 finally, when the pressure in the tank body 4 exceeds a threshold value, the first pressure relief valve 7 is opened, so that the connecting pipe 6 is conducted, at the moment, the external condensed water and the high-temperature steam carried by the external condensed water can enter the tank body 4 through the connecting pipe 6 to be temporarily stored until the high-temperature steam is condensed into water, then, the first valve 11 is opened, the condensed water in the tank body 4 can enter the collecting tank 2 through the sewer pipe 10 to complete the final collecting operation of the condensed water, and the water conveying pipe 14 can be connected with the water inlet of a circulating water tank of a workshop, so that when the water conveying pump 15 works, the condensed water in the collecting tank 2 can be conveyed into the circulating water tank for later use.

The foregoing embodiments are merely illustrative of the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, not to limit the scope of the present utility model. All equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. The steam condensate recycling device for the electrolysis section comprises a collecting barrel (1) and a water delivery pump (15), and is characterized in that: the utility model discloses a collecting vessel, including collecting vessel (1), collecting vessel (5), connecting pipe (6) that fixedly connected with was linked together with collecting vessel (1) on collecting vessel (5), connecting pipe (6) and the intercommunication of the vessel (4), and be provided with first relief valve (7) on connecting pipe (6), first relief valve (7) are used for controlling the medium and flow in connecting pipe (6), downcomer (10) that the fixedly connected with of the vessel (4) bottom was linked together with it, downcomer (10) are linked together with collecting vessel (1), be provided with first valve (11) on downcomer (10).

2. An electrolysis section steam condensate recycling apparatus according to claim 1, wherein: the water inlet end of the water delivery pump (15) is positioned in the collecting barrel (1), and the water outlet end of the water delivery pump (15) is fixedly connected with a water delivery pipe (14).

3. An electrolysis section steam condensate recycling apparatus according to claim 2, wherein: the water delivery pump (15) is a submersible pump, the submersible pump is positioned at the inner bottom of the collecting barrel (1), a through hole (16) is formed in the top surface of the collecting barrel (1), and the free end of the water delivery pipe (14) penetrates through the through hole (16) and is positioned outside the collecting barrel (1).

4. A steam condensate recycling apparatus for an electrolysis process according to claim 3, wherein: the periphery of the water delivery pipe (14) is fixedly connected with a sealing ring (13), and one end of the sealing ring (13) is positioned in the through hole (16).

5. An electrolysis section steam condensate recycling apparatus according to claim 1, wherein: the tank body (4) is provided with a pressure relief pipe (9) communicated with the tank body, and the pressure relief pipe (9) is provided with a second pressure relief valve (8).

6. An electrolysis section steam condensate recycling apparatus according to claim 1 or 5, wherein: the bottom of the side wall of the collecting barrel (1) is fixedly provided with a drain pipe (2) communicated with the collecting barrel, and the drain pipe (2) is provided with a second valve (3).

7. An electrolysis section steam condensate recycling apparatus according to claim 1, wherein: the top of the collecting barrel (1) is provided with a liquid level meter (12), and the liquid level meter (12) is used for detecting the liquid level of condensed water in the collecting barrel (1).