CN203124382U - Air exhaust system - Google Patents
Air exhaust system Download PDFInfo
- Publication number
- CN203124382U CN203124382U CN 201320043148 CN201320043148U CN203124382U CN 203124382 U CN203124382 U CN 203124382U CN 201320043148 CN201320043148 CN 201320043148 CN 201320043148 U CN201320043148 U CN 201320043148U CN 203124382 U CN203124382 U CN 203124382U
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- Prior art keywords
- exhausting
- slit
- flexible covering
- air exhaust
- groove
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Abstract
The utility model relates to an air exhaust system used for a working space (S). A plurality of working positions in the working space (S) are arranged to be a row. The air exhaust system comprises a long-shaped air exhaust groove (2m), an air exhaust device and a flexible covering part (5), wherein the air exhaust groove (2m) extending in the arrangement direction of the working positions is formed in a wall (8) of the working space (S), the position of the air exhaust groove (2m) is arranged to face the working positions, the air exhaust device is constructed to conduct forced air exhaust through the air exhaust groove (2m), and the flexible covering part (5) covers the air exhaust groove (2m). A gap (9) extending parallel to the air exhaust groove (2m) is formed in the flexible covering part (5). Partial elastic deformation of the flexible covering part can be generated on the periphery of the gap so that the gap can be partially opened to allow partial air exhaust groove to be exposed.
Description
Technical field
The utility model relates to a kind of exhausting system, is used for more specifically forcing to discharge the exhausting system of poisonous volatilization gas in for example industrial production.
Background technology
In industrial production, may need poisonous and volatile raw material is prepared burden.For example, just need add more than a kind of auxiliary agent in major ingredient in the production process of polyurethane combined material, auxiliary agent can comprise chain agent, crosslinking agent, surfactant, fire retardant, blowing agent, pigment and filler etc.Different types of auxiliary agent is stored in the different charging baskets, prepares burden by pipeline separately, needs artificial quantitative weighing and mixing, drops in the reactor again and mixes with major ingredient and other auxiliary agent.And auxiliary agent commonly used is all toxic, and volatile in the weighing process, therefore need carry out exhausting to prevent the volatile quantity of auxiliary agent in environment when weighing, alleviates the harm to operating personnel thus.
Fig. 1 shows for this reason and traditional exhausting system of making up.In being used for the room S that auxiliary agent is prepared burden, be provided with a plurality of auxiliary agent discharge ports 1, be respectively applied to extract multiple different auxiliary agent.The auxiliary agent charging basket 3 that mixes various auxiliary agents for splendid attire is placed in movably meausring apparatus 4.Meausring apparatus 4 is being with auxiliary agent charging basket 3 to move to corresponding auxiliary agent discharge port 1 below successively, and utilizes the quantitative weighing of meausring apparatus 4 to pump a certain amount of different auxiliary agent respectively from each discharge port and mix.Wall 8 at room S is provided with a plurality of fixing suction opeings 2, when the weighing auxiliary agent, utilizes a unshowned extractor fan (for example blower fan) to carry out forced draft via all suction opeings 2, to discharge the auxiliary agent that volatilizes in the weighing process.Yet, the weighing of various auxiliary agents turned up the soil in each auxiliary agent discharge port punishment carry out separately, like this, when at a certain auxiliary agent of some auxiliary agent discharge port place's weighings, on the one hand, because all suction opeings carry out exhausting simultaneously and make that the air quantity of single suction opeing is very little, carry out high-intensity exhausting thereby be difficult to aim at this single auxiliary agent discharge port, the auxiliary agent that causes volatilizing at this place can not in time be discharged and be endangered health of operators; On the other hand, the effect of discharging auxiliary agent gas be can not play again effectively from this discharge port other suction opeing away from, exhausting amount and electric power energy wasted.
The utility model is intended to solve the above-mentioned one or more problems that exist in the prior art.
The utility model content
The utility model provides a kind of exhausting system for working space, a plurality of operating positions are arranged into row in described working space, described exhausting system comprises: the microscler exhausting groove that is arranged in the wall of described working space and extends along the arragement direction of described a plurality of operating positions, and the set positions of this exhausting groove becomes in the face of described a plurality of operating positions; Extractor fan, described extractor fan are configured to carry out forced draft via described exhausting groove; With the flexible covering that covers described exhausting groove.Be provided with the slit that is parallel to described exhausting groove extension in described flexible covering, local strain can take place on every side in described slit and make this slit local opening so that described exhausting groove part is exposed in described flexible covering.
Advantageously, described exhausting system also can comprise the exhausting mouth of flat drum shape, and described exhausting mouth is arranged in the described slit so that this slit local opening, and aims at one of described a plurality of operating positions.
Preferably, described exhausting mouth can be constructed to be permeable to move along described slit.
Advantageously, described exhausting mouth can be connected on the supporting arrangement that can in described working space, move and can with the same moved further of this supporting arrangement.
For example, described supporting arrangement can be for the meausring apparatus that auxiliary agent is carried out weighing in polyurethane production.
Advantageously, described flexible covering can be the bar shaped baffle plate of being made by the material of the anti-chemical corrosion of energy (or anti-solvent).
For example, described flexible covering can be the bar shaped baffle plate of being made by polytetrafluoroethylene (PTFE), perhaps the bar shaped baffle plate of being made by FFKM.
Advantageously, described flexible covering can comprise two bar shaped baffle plates spaced with a gap and that be arranged in parallel, and described gap constitutes described slit.
According to the utility model, the apertured flexible covering of apparatus covers microscler exhausting groove, wherein should local strain can take place on every side in described slit and make this slit local opening by the flexibility covering, like this, can make and (for example carry out work, the weighing auxiliary agent) any covering position that single operating position is faced is mutually opened and is exposed the exhausting groove, and other position of covering still covers the exhausting groove.Thus, for same exhausting power, total exhausting power will concentrate on this local opening position of covering, increase the exhausting amount at its place, single operating position that faces greatly, make that can aim at it realizes high-intensity exhausting.Thereby, with simple structure and cheap cost, both effectively utilized exhausting power, alleviated poisonous volatilization gas again to operating personnel's harm, improved working environment.In addition, by adopt can with supporting arrangement (as meausring apparatus) synchronously along as described in the exhausting mouth that moves of slit, can aim at each operating position easily successively and carry out high-intensity exhausting, very be conducive to when industrial auxiliary agent batching is operated, discharge poisonous volatilization gas.
Description of drawings
Fig. 1 is the schematic diagram of the exhausting system of prior art.
Fig. 2 is the schematic diagram according to a kind of illustrative configuration of exhausting system of the present utility model.
The specific embodiment
Still being operating as example with the auxiliary agent weighing in the polyurethane production process with reference to the accompanying drawings illustrates according to exhausting system of the present utility model.Fig. 2 illustrates an embodiment according to exhausting system of the present utility model, in Fig. 2, represents with identical Reference numeral with part identical or corresponding among Fig. 1.As shown in Figure 2, working space S is for carrying out the room of weighing operation to auxiliary agent.For example be provided with the auxiliary agent discharge port 1 that a plurality of (example illustrates 5 in Fig. 2) are arranged into row at the top of working space S, be used for various auxiliary agent is pumped out to auxiliary agent charging basket 3 downwards.Therefore, a plurality of auxiliary agent discharge ports 1 and they can be regarded as a plurality of operating positions among the working space S in the position of below separately in the present embodiment.In the wall 8 of working space S, be provided with the microscler exhausting groove 2m that extends along the arragement direction of described a plurality of operating positions.The set positions of exhausting groove 2m becomes roughly to face described a plurality of operating positions, and particularly, the length of exhausting groove 2m can be set at and make its exhausting scope be enough to spread all over all operating positions.Compare with a plurality of suction opeings 2 shown in Figure 1, it is more simple to construct single exhausting groove 2m in the wall of working space, and its exhausting scope can more fully cover described a plurality of operating position.Also be provided with extractor fan (for example blower fan) not shown, that be configured to carry out via exhausting groove 2m forced draft according to exhausting system of the present utility model, its structure and working method are known in the art, repeat no more here.
According to the utility model, exhausting system also comprises the flexible covering 5 that covers exhausting groove 2m.In flexible covering 5, be provided with and be parallel to the slit 9 that exhausting groove 2m extends, local strain can take place in the slit around 9 and make slit 9 local openings so that exhausting groove 2m part is exposed in flexible covering 5, realizes local high strength exhausting thereby only open the position at this.Slit 9 can be set for exhausting groove 2m has about equally length, so that its open scope can cover all operating positions.In addition, the transverse width of slit 9 when not opening set for and can be covered exhausting groove 2m substantially, but is unlikely to complete closed in order to avoid burn out extractor fan.
In order to make flexible covering 5 local strain take place and slit 9 is opened, the exhausting mouth 6 of flat drum shape can be set in slit 9, wherein the orientation on the plane at the cross-sectional dimension place of flat drum shape can with vertical basically identical in slit 9.Exhausting mouth 6 is preferably aimed at one of described a plurality of operating positions (that is, carrying out the operating position of work) to be conducive to that forced draft is carried out in this operating position with its opening.Flexible covering 5 can both expose exhausting groove 2m (see among Fig. 2 from the operating position at second auxiliary agent discharge port 1 place of the right number and the exhausting mouth 6 of below and the form in slit 9) by for example making slit 9 local openings with exhausting mouth 6 in this part, position at the position corresponding with arbitrary operating position, other position in while slit 9 still is in closure state and the other parts of exhausting groove are covered substantially.
Because slit 9 is continuous, so can being constructed to be permeable to along the slit 9, moves in exhausting mouth 6.For the ease of supporting and moving exhausting mouth 6, it can be connected on the supporting arrangement that can in working space S, move, thus its can with the same moved further of supporting arrangement.In the embodiment shown in Figure 2, this supporting arrangement is the meausring apparatus 4 that is used for the weighing auxiliary agent that is loaded with auxiliary agent charging basket 3, and can for example realize being connected of exhausting mouth 6 and meausring apparatus 4 with a simple support 7.
According to the utility model, flexible covering 5 can be the bar shaped baffle plate of for example using elastically deformable and material (as polytetrafluoroethylene (PTFE) or FFKM) that can resist chemical to make.In addition, as a kind of replacement constituted mode of covering, as shown in Figure 2, flexible covering 5 also can comprise two bar shaped baffle plate 5a and 5b spaced with a gap and that be arranged in parallel, and wherein said gap constitutes slit 9.
When the weighing auxiliary agent, make meausring apparatus 4 move to the below of a certain auxiliary agent discharge port 1 with auxiliary agent charging basket 3, the exhausting mouth 6 that is connected with meausring apparatus 4 also moves to the below of this auxiliary agent discharge port 1 synchronously along the slit 9 of flexible covering 5 and aims at the operating position at this discharge port 1 place naturally therebetween, and only make slit 9 local openings herein and exhausting groove 2m is exposed in the part, the other parts of exhausting groove 2m are still covered by flexible covering 5 simultaneously.Like this, when extractor fan turns round, total exhausting power all is distributed in the position that the quilt of exhausting groove 2m exposes, herein the exhausting amount of making increases (the test of carrying out according to the inventor greatly, adopting its exhausting efficient of traditional exhausting system shown in Figure 1 is 0.57m/s, and adopt shown in Figure 2 can be up to 3.32m/s according to its exhausting efficient of exhausting system of the present utility model), thereby realize high strength exhausting to this auxiliary agent discharge port 1.Then, meausring apparatus 4 and exhausting mouth 6 move to next auxiliary agent discharge port 1 and realize high strength exhausting to this single discharge port 1 in the same way.Thus, by simple structure and cheap cost, both effectively utilize exhausting power according to exhausting system of the present utility model, alleviated poisonous volatilization gas again to operating personnel's harm.
Obviously, the exhausting when not only can be used for weighing auxiliary agent in the polyurethane production according to exhausting system of the present utility model, but can be used for from various sealings or semi-enclosed space, forcing to discharge poisonous volatilization gas.Correspondingly, its applied working space can be the various operation rooms that are provided with a plurality of operating positions, laboratory, factory building etc.
For a person skilled in the art, under the situation that does not break away from scope of the present utility model or spirit, can make various modifications and variations to embodiment disclosed above.Disclosed to practice of the present utility model according to this specification, other embodiment of the present utility model is apparent to those skilled in the art.It is exemplary that this specification and disclosed example thereof should be considered to, and true scope of the present utility model is specified by claims and equivalent thereof.
Claims (9)
1. exhausting system that is used for working space (S), a plurality of operating positions are arranged into row in described working space, and described exhausting system comprises:
The microscler exhausting groove (2m) that is arranged in the wall (8) of described working space and extends along the arragement direction of described a plurality of operating positions, the set positions of this exhausting groove becomes in the face of described a plurality of operating positions;
Extractor fan, described extractor fan are configured to carry out forced draft via described exhausting groove (2m); With
Cover the flexible covering (5) of described exhausting groove,
Wherein, be provided with the slit (9) that is parallel to described exhausting groove (2m) extension in described flexible covering, local strain can take place on every side in described slit and make this slit local opening so that described exhausting groove part is exposed in described flexible covering.
2. exhausting system according to claim 1 is characterized in that, also comprises the exhausting mouth (6) of flat drum shape, and described exhausting mouth is arranged in the described slit (9) so that this slit local opening, and aims at one of described a plurality of operating positions.
3. exhausting system according to claim 2 is characterized in that, described exhausting mouth (6) is constructed to be permeable to along described slit (9) mobile.
4. exhausting system according to claim 3 is characterized in that, described exhausting mouth (6) be connected in that the supporting arrangement (4) that can move is gone up in described working space and can with the same moved further of this supporting arrangement.
5. exhausting system according to claim 4 is characterized in that, described supporting arrangement (4) is for the meausring apparatus that auxiliary agent is carried out weighing in polyurethane production.
6. according to each described exhausting system in the claim 1 to 5, it is characterized in that described flexible covering (5) is the bar shaped baffle plate of being made by the material of the anti-chemical corrosion of energy.
7. exhausting system according to claim 6 is characterized in that, described flexible covering (5) is the bar shaped baffle plate of being made by polytetrafluoroethylene (PTFE).
8. exhausting system according to claim 6 is characterized in that, described flexible covering (5) is the bar shaped baffle plate of being made by FFKM.
9. according to each described exhausting system in the claim 1 to 5, it is characterized in that, described flexible covering (5) comprise spaced with a gap and two bar shaped baffle plates being arranged in parallel (5a, 5b), described gap constitutes described slit (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320043148 CN203124382U (en) | 2013-01-25 | 2013-01-25 | Air exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320043148 CN203124382U (en) | 2013-01-25 | 2013-01-25 | Air exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203124382U true CN203124382U (en) | 2013-08-14 |
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ID=48932408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320043148 Expired - Lifetime CN203124382U (en) | 2013-01-25 | 2013-01-25 | Air exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203124382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962359A (en) * | 2013-01-25 | 2014-08-06 | 巴斯夫聚氨酯特种产品（中国）有限公司 | Ventilation system |
-
2013
- 2013-01-25 CN CN 201320043148 patent/CN203124382U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962359A (en) * | 2013-01-25 | 2014-08-06 | 巴斯夫聚氨酯特种产品（中国）有限公司 | Ventilation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |
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| CX01 | Expiry of patent term |