Collecting device for preventing centrifugal mother liquor Vocs from escaping

Abstract

The utility model provides a collecting device for preventing centrifugal mother liquor Vocs from escaping, which relates to the technical field of waste gas collection, and comprises a ton barrel cover detachably connected to an opening of a ton barrel; a joint is mounted on the ton barrel cover; a liquid inlet hole is formed in the ton barrel cover; one end of the liquid inlet pipe penetrates through the liquid inlet hole and extends into the ton barrel, and the other end is connected with a conveying pump for conveying centrifugal mother liquid; the gas collecting hood is arranged above the opening of the ton barrel; one end of the gas-guide tube is detachably connected with the joint, and the other end of the gas-guide tube extends into the gas-collecting hood. Through the improvement of the ton barrel cover, the centrifugal mother liquor is collected in a relatively closed environment, the dissipation of Vocs organic solvent steam is reduced in an effective and economical manner, and the protection of personnel and the safety production are realized.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas collection, in particular to a collection device for preventing Vocs of centrifugal mother liquor from escaping. Background Art

[0002] When the centrifuge in the workshop is operating, the mother liquor is pumped into the barrel by a diaphragm pump for collection. Since the centrifugal process is protected by nitrogen, the centrifuge is under positive pressure, and the barrel is open (the barrel cover is not closed, and the mother liquor enters the barrel from the open part), a large amount of VOCs organic solvent vapor escapes from the open part. Figure 1 As shown, it is difficult to completely collect the gas escaping from the mouth of the barrel only by the gas collecting hood of the existing exhaust gas collection system. A large amount of organic solvent vapor escapes into the workshop environment, causing adverse effects on the workshop operators. Utility Model Content

[0003] In view of the above situation, the utility model provides a collection device for preventing the escape of Vocs from centrifugal mother liquor, aiming to solve the technical problem that it is difficult to completely collect the gas escaping from the mouth of the barrel only by relying on the gas collecting hood of the existing tail gas collection system, and a large amount of organic solvent vapor escapes into the workshop environment, causing adverse effects on workshop operators.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The utility model provides a collection device for preventing VOCs from escaping from centrifugal mother liquor, comprising:

[0006] The ton barrel cover is detachably connected to the opening of the ton barrel; a joint is installed on the ton barrel cover; a liquid inlet hole is opened on the ton barrel cover;

[0007] A liquid inlet pipe, one end of which passes through the liquid inlet hole and extends into the ton barrel, and the other end is connected to a delivery pump for delivering centrifugal mother liquor;

[0008] A gas collecting hood is arranged above the opening of the ton barrel;

[0009] The air guide pipe has one end detachably connected to the joint and the other end extending into the air collecting hood.

[0010] In some embodiments of the present invention, the liquid inlet pipe is a stainless steel pipe.

[0011] In some embodiments of the present utility model, the liquid inlet pipe is connected to the delivery pump through a metal bellows.

[0012] In some embodiments of the present invention, the air guide tube includes a hose section and a hard tube section, one end of the hose section is connected to the joint, and the other end is connected to the hard tube section.

[0013] In some embodiments of the present invention, a connecting assembly is also included, and the connecting assembly is used to connect the hard pipe section and the air collecting hood.

[0014] In some embodiments of the present invention, the connection assembly includes:

[0015] Suspension ring, the outer diameter of the gas collecting hood increases gradually from top to bottom, and the suspension ring is set on the gas collecting hood;

[0016] A connecting rope, one end of which is connected to the suspension ring and the other end of which is connected to the hard pipe section.

[0017] In some embodiments of the present invention, the suspension ring is an elastic rubber ring.

[0018] In some embodiments of the present invention, a plurality of connection ears are circumferentially distributed on the lower side wall of the hard pipe section, and the connection rope is wound around the connection ears.

[0019] The embodiments of the present invention have at least the following advantages or beneficial effects:

[0020] By modifying the ton barrel cover, the centrifugal mother liquor is collected in a relatively closed environment, reducing the escape of VOCs organic solvent vapor in an effective and economical way, thereby achieving personnel protection and safe production.

[0021] Other features and advantages of the present invention will be set forth in the following description, and in part will become apparent from the description, or may be understood by practicing the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 It is a schematic diagram of the structure of the existing gas collecting hood and ton barrel;

[0024] Figure 2 A schematic diagram of the structure of a collection device for preventing Vocs from escaping from a centrifuged mother liquor provided in Example 1;

[0025] Figure 3 This is a schematic diagram of the structure of the connection component provided in Example 2.

[0026] Icons: 1-ton barrel cover, 2-liquid inlet pipe, 3-gas collecting hood, 4-air duct, 5-ton barrel, 6-connector, 7-sealing ring, 8-metal bellows, 9-clamp, 11-hose section, 12-hard pipe section, 13-suspension ring, 14-connecting rope, 15-connecting ear. DETAILED DESCRIPTION

[0027] In the following, only some exemplary embodiments are briefly described. As those skilled in the art can appreciate, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present invention.

[0028] In the description of the embodiments of the present invention, it is necessary to understand that the terms "upper", "lower", "inner", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0029] In addition, the term "plurality" means two or more than two, unless clearly and specifically defined otherwise.

[0030] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral body; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0031] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0032] Example 1

[0033] See also Figure 1-2 This embodiment provides a collection device for preventing Vocs from escaping from centrifugal mother liquor, including a ton barrel cover 1, a liquid inlet pipe 2, a gas collecting hood 3 and an air guide pipe 4.

[0034] The ton barrel cover 1 is detachably connected to the opening of the ton barrel 5. A joint 6 is installed on the ton barrel cover 1. A liquid inlet hole is provided on the ton barrel cover 1, and the diameter of the liquid inlet hole is 25 mm.

[0035] One end of the liquid inlet pipe 2 passes through the liquid inlet hole and extends into the ton barrel 5, and the other end is connected to a delivery pump for delivering the centrifugal mother liquor, so as to pump the centrifugal mother liquor into the ton barrel 5. In a specific implementation scenario, the delivery pump is a diaphragm pump; a sealing ring 7 is provided between the liquid inlet pipe 2 and the liquid inlet hole; the liquid inlet pipe 2 is a stainless steel pipe, and the liquid inlet pipe 2 is connected to the delivery pump through a metal bellows 8, one end of the bellows is fastened to the delivery pump through a clamp 9, and the other end is fastened to the liquid inlet pipe 2 through a clamp 9.

[0036] The gas collecting hood 3 is arranged above the opening of the ton barrel 5 .

[0037] One end of the air guide pipe 4 is detachably connected to the joint 6, and the other end extends into the air collecting cover 3. The air guide pipe 4 can be made of hard material.

[0038] The ton barrel cover 1 is connected to the opening of the ton barrel 5, and the delivery pump is started to pump the centrifugal mother liquor into the ton barrel 5. During this process, the Vocs organic solvent vapor is guided to the gas collecting hood 3 by the air guide pipe 4. That is, this embodiment collects the centrifugal mother liquor in a relatively closed environment through the modification of the ton barrel cover 1, reduces the escape of Vocs organic solvent vapor in an effective and economical way, and realizes the protection of personnel and safe production.

[0039] Example 2

[0040] See also Figure 1 to Figure 3 The difference between this embodiment and embodiment 1 is that: the air guide tube 4 includes a hose section 11 and a hard pipe section 12, one end of the hose section 11 is connected to the joint 6, and the other end is connected to the hard pipe section 12; the collection device for preventing the escape of centrifuged mother liquor Vocs also includes a connecting component, and the connecting component is used to connect the hard pipe section 12 and the gas collecting hood 3.

[0041] The connecting assembly includes a suspension ring 13 and a connecting rope 14 .

[0042] The outer diameter of the air collecting hood 3 gradually increases from top to bottom; the inner diameter of the suspension ring 13 is smaller than the outer diameter of the lower end of the air collecting hood 3, and the suspension ring 13 is sleeved on the air collecting hood 3. In a specific implementation scenario, the suspension ring 13 is an elastic rubber ring to facilitate the disassembly and assembly of the suspension ring 13.

[0043] One end of the connecting rope 14 is connected to the suspension ring 13, and the other end is connected to the hard pipe section 12. In a specific implementation scenario, a plurality of connecting ears 15 are circumferentially distributed on the lower side wall of the hard pipe section 12, and the connecting rope 14 is wound around the connecting ears 15, and the number of the connecting ropes 14 corresponds to the number of the connecting ears 15.

[0044] In this embodiment, the hard pipe section 12 is supported by the gas collecting hood 3 in a suspended manner to ensure that the hard pipe section 12 can remain in the state of extending into the gas collecting hood 3 .

[0045] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. In the absence of conflicts, the embodiments of the present application and the features in the embodiments may be combined with each other at will. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A collection device for preventing Vocs from escaping from centrifugal mother liquor, characterized in that: include: The ton barrel cover is detachably connected to the opening of the ton barrel; a joint is installed on the ton barrel cover; and a liquid inlet hole is opened on the ton barrel cover; A liquid inlet pipe, one end of which passes through the liquid inlet hole and extends into the ton barrel, and the other end of which is connected to a delivery pump for delivering centrifugal mother liquor; An air collecting hood is arranged above the opening of the ton barrel; An air guide pipe has one end detachably connected to the joint and the other end extending into the air collecting hood.

2. The collection device for preventing Vocs from escaping from centrifugal mother liquor according to claim 1, characterized in that: The liquid inlet pipe is a stainless steel pipe.

3. The collection device for preventing Vocs from escaping from centrifugal mother liquor according to claim 1, characterized in that: The liquid inlet pipe is connected to the delivery pump through a metal bellows.

4. The device for collecting Vocs from centrifugal mother liquor according to claim 1, characterized in that: The air guide tube comprises a hose section and a hard tube section, one end of the hose section is connected to the joint, and the other end of the hose section is connected to the hard tube section.

5. The collection device for preventing Vocs from escaping from centrifugal mother liquor according to claim 4, characterized in that: It also includes a connecting assembly, which is used to connect the hard pipe section and the air collecting hood.

6. The collection device for preventing Vocs from escaping from centrifugal mother liquor according to claim 5, characterized in that: The connection component comprises: A suspension ring, the outer diameter of the gas collecting hood gradually increases from top to bottom, and the suspension ring is sleeved on the gas collecting hood; A connecting rope has one end connected to the suspension ring and the other end connected to the hard pipe section.

7. The collection device for preventing Vocs from escaping from centrifugal mother liquor according to claim 6, characterized in that: The suspension ring is an elastic rubber ring.

8. The collection device for preventing Vocs from escaping from centrifugal mother liquor according to claim 6, characterized in that: A plurality of connection ears are circumferentially distributed on the lower side wall of the hard pipe section, and the connection rope is wound around the connection ears.

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