CN218023265U

CN218023265U - Reduce volatile solvent storage tank of VOC

Info

Publication number: CN218023265U
Application number: CN202221594423.7U
Authority: CN
Inventors: 王兵; 刘洪涛; 陈夫振; 刘洋洋
Original assignee: Shandong Wantong Petrochemical Group Co ltd
Current assignee: Shandong Wantong Petrochemical Group Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-12-13
Anticipated expiration: 2032-06-24

Abstract

The utility model relates to a reduce volatile solvent storage tank of VOC, including supporting the jar body to the support body on, be provided with inlet and liquid outlet on the jar body, the top of the jar body is provided with the access hole, be provided with the kickboard in the jar body, still include the seal membrane, the seal membrane is tubular structure, the bottom seal of seal membrane is fixed to around the kickboard, the top seal of seal membrane is fixed to around the top of jar internal wall. The utility model has the advantages that the device has simple and practical structure, the sealing film can seal the volatile VOC gas at the bottom of the floating plate, the volatile VOC gas is prevented from volatilizing into the space enclosed by the sealing film, the volatilizable space is greatly reduced, and the volatile VOC amount is reduced; the soft sealing film can be stretched or folded along with the lifting of the floating plate, so that the sealing performance is guaranteed, and meanwhile, the volatilizable space at any time is guaranteed to be in a smaller size.

Description

Reduce volatile solvent storage tank of VOC

Technical Field

The utility model relates to a liquid storage field, more specifically, the utility model relates to a reduce volatile solvent storage tank of VOC.

Background

The solvent storage tank is used for storing the solvent in industrial production, and because most of the solvent has certain volatility, the solvent storage tank is required to have certain sealing performance in order to avoid pollution to the surrounding environment caused by the solvent and pollution to the solvent caused by the external environment.

Because the volume of the solvent storage tank of industrial use is great, the solvent in the storage tank can volatilize a VOC gas to being full of whole storage tank, even if the solvent discharges and also can not thoroughly empty the storage tank, consequently adopt interior floating roof formula storage tank to solve the volatile problem of solvent among the prior art usually, place the floating plate promptly in the jar body, float to solvent liquid level top to reduce solvent headspace, thereby reduce VOC's volatilization. The floating plate can be provided with a rubber partition plate to be compressed onto the inner wall of the tank body in order to ensure certain sealing and can slide up and down along the inner wall of the tank body. The rubber diaphragm is worn more seriously in actual use and still cannot ensure complete sealing.

Therefore, a new solvent storage tank for reducing VOC volatilization is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at it is poor to solve the sealed effect of current interior floating roof formula storage tank, still can cause a large amount of VOCs to volatilize to the internal problem of jar.

According to the utility model discloses an aspect provides a reduce volatile solvent storage tank of VOC, including supporting the jar body to the support body on, be provided with inlet and liquid outlet on the jar body, the top of the jar body is provided with the access hole, be provided with the kickboard in the jar body, still include the seal membrane, the seal membrane is tubular structure, the bottom seal of seal membrane is fixed to around the kickboard, the top seal of seal membrane is fixed to around the top of jar internal wall.

Preferably, the floating plate includes a plate body and a float bowl, the float bowl is annular and fixed to the bottom of the plate body, the outer diameter of the float bowl is consistent with the outer diameter of the plate body.

Preferably, the top of the plate body is detachably connected with a fixing ring for pressing the sealing film, and the outer diameter of the fixing ring is consistent with that of the plate body.

Preferably, the bottom surface of the fixed ring is provided with a rubber sealing ring.

Preferably, a plurality of guide blocks are fixed on the periphery of the plate body, and guide surfaces which are obliquely arranged are arranged on the upper side surface and the lower side surface of each guide block.

The utility model has the technical effects that the device has simple and practical structure, the sealing film can seal the volatile VOC gas at the bottom of the floating plate, and the volatile VOC gas is prevented from volatilizing into the space enclosed by the sealing film, thereby greatly reducing the volatilizable space and being beneficial to reducing the volatile VOC amount; the soft sealing film can be stretched or folded along with the lifting of the floating plate, so that the sealing performance is ensured, and meanwhile, the volatilizable space at any time is ensured to be in a smaller volume.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural diagram of a solvent storage tank for reducing VOC volatilization according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of the solvent tank for reducing VOC emission of fig. 1.

Fig. 3 is a schematic cross-sectional structure of the floating plate of fig. 2.

Fig. 4 is a schematic view of the structure at a in fig. 3.

Fig. 5 is a schematic top view of the floating plate in fig. 2.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

The embodiment is as follows: as shown in fig. 1 to 5, the solvent storage tank for reducing VOC volatilization in this embodiment includes a tank body 100 supported on a frame body 110, the tank body 100 is provided with a liquid inlet 101 and a liquid outlet 102, the top of the tank body 100 is provided with an access hole 103, the tank body 100 is provided with a floating plate 200 therein, and further includes a sealing film 300, the sealing film 300 is of a tubular structure, the bottom of the sealing film 300 is sealed and fixed to the periphery of the top of the floating plate 200, and the top of the sealing film 300 is sealed and fixed to the periphery of the top of the inner wall of the tank body 100.

The diameter of the tubular structure enclosed by the sealing film 300 in this embodiment is the same as the inner diameter of the tank body 100, and can cover the inner wall of the tank body 100 to play a role in sealing, so that the volatile VOC gas in the gaps around the floating plate 200 is prevented from entering the tank body 100, the volatile space is greatly reduced, and the volatile VOC amount is reduced.

The sealing film 300 is made of, for example, polyvinyl chloride, polyethylene, polypropylene, polystyrene, or other resins, and has a certain tensile strength and impact strength, and also has good sealing properties and corrosion resistance.

In this or other embodiments, the floating plate 200 includes a plate body 210 and a float 220, the float 220 is annular and fixed to the bottom of the plate body 210, and the outer diameter of the float 220 is identical to the outer diameter of the plate body 210. The stability of the floating plate 200 in the up-and-down floating process is improved, and the sealing film 300 is prevented from being pulled and damaged due to the side inclination. The floating plate is, for example, an iron sheet or a plastic sheet, has a certain rigidity, and can support the plastic film 300 as close as possible to the inner wall of the tank body 100, thereby reducing a volatile space.

In this embodiment or other embodiments, a fixing ring 230 for pressing the sealing film 300 is detachably connected to the top of the plate body 210, and the outer diameter of the fixing ring 230 is the same as that of the plate body 210. The fixing ring 230 is fixedly connected to the plate body 210, for example, by bolts, and is easily disassembled to replace the sealing film 300.

In this embodiment or other embodiments, the bottom surface of the fixing ring 230 is provided with a rubber sealing ring 231. Not only can improve sealed effect, can play the effect of protection to sealing membrane 300 moreover, avoid long-term use in-process sealing membrane 300 and retainer plate 230 friction damage.

In this embodiment or other embodiments, a plurality of guide blocks 240 are fixed around the plate body 210, and the upper and lower sides of the guide blocks 240 are provided with guide surfaces arranged obliquely. The guide block 240 not only can play a role in guiding the floating plate 200, and prevent the floating plate 200 from directly colliding and contacting with the inner wall of the tank body 100, but also can play a role in supporting, so that a certain space is reserved between the floating plate 200 and the tank body 100, and the sealing film 300 is prevented from being directly extruded to the inner wall of the tank body 100 to be damaged by friction.

The utility model has the technical effects that the device has simple and practical structure, the sealing film can seal the volatile VOC gas at the bottom of the floating plate, and the volatile VOC gas is prevented from volatilizing into the space enclosed by the sealing film, thereby greatly reducing the volatilizable space and being beneficial to reducing the volatile VOC amount; the soft sealing film can be stretched or folded along with the lifting of the floating plate, so that the sealing performance is guaranteed, and meanwhile, the volatilizable space at any time is guaranteed to be in a smaller size.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. The utility model provides a reduce volatile solvent storage tank of VOC, is including supporting the jar body on the support body, be provided with inlet and liquid outlet on the jar body, the top of the jar body is provided with the access hole, be provided with the kickboard in the jar body, its characterized in that still includes the seal membrane, the seal membrane is the tubular structure, the bottom seal of seal membrane is fixed to around the kickboard, the top seal of seal membrane is fixed to around the top of jar internal wall.

2. A reduced VOC emission solvent storage tank as claimed in claim 1, wherein said buoyant panel comprises a panel body and a pontoon, said pontoon being annular and secured to the bottom of said panel body, the outer diameter of said pontoon coinciding with the outer diameter of said panel body.

3. The solvent storage tank for reducing VOC volatilization according to claim 2, wherein a fixing ring for pressing the sealing membrane is detachably connected to the top of the plate body, and the outer diameter of the fixing ring is consistent with that of the plate body.

4. A solvent storage tank for reducing VOC emissions according to claim 3, wherein the bottom surface of said retainer ring is provided with a rubber gasket.

5. The solvent storage tank for reducing VOC volatilization according to claim 2, wherein a plurality of guide blocks are fixed around the plate body, and the upper and lower side surfaces of each guide block are provided with guide surfaces which are obliquely arranged.