CN204986411U - Blast air conveying system - Google Patents
Blast air conveying system Download PDFInfo
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- CN204986411U CN204986411U CN201520737561.XU CN201520737561U CN204986411U CN 204986411 U CN204986411 U CN 204986411U CN 201520737561 U CN201520737561 U CN 201520737561U CN 204986411 U CN204986411 U CN 204986411U
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- gas
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- subsequent use
- entered passageway
- blower
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Abstract
The utility model provides a blast air conveying system, include: at least, two sets of parallelly connected air -blowers are reserve air -blower (100) and work air -blower (200) respectively, connect reserve inlet channel (101) and reserve air outlet channel (102) in reserve air -blower (100) both sides respectively, connect work inlet channel (201) and work air outlet channel (202) in work air -blower (200) both sides respectively, wherein: reserve inlet channel (101) and work inlet channel (201) intercommunication. The blast air conveying system that above -mentioned blast air conveying system can solve in the background art is leaked the problem owing to what the machine of falling leaded to by carrier gas.
Description
Technical field
The utility model relates to gas conveying technology field, particularly relates to a kind of air blast transporting system.
Background technique
Some production enterprises (as chemical enterprise) need to carry some special gas due to manufacturing technique requirent, such as coal gas, carbon monoxide etc.These special gas are to bad environmental, once leakage or leakage rate will cause serious consequence more greatly.For this reason, the conveying for these special gas (be hereinafter referred to as and be transferred gas) needs to consider that it endangers.
Usually, these conveyings being transferred gas have been come by air blast transporting system, and the power source in air blast transporting system is blower.In order to ensure that conveying continues, carries out completely, stably, air blast transporting system needs configuration at least two group blower, i.e. a preparation and a use.In the process of producing, air blast transporting system carries out down machine after needing work a period of time, namely starts one group of blower for subsequent use, closes another group blower.The air inlet side of blower is communicated with gas-entered passageway, and the side of giving vent to anger of blower is communicated with outlet passageway.Be transmitted gas and enter into blower from gas-entered passageway, drain from outlet passageway under the effect of blower, thus reach the object of conveying.
Under the impeller disturbance of blower, gas-entered passageway is in negative pressure state, and outlet passageway is in barotropic state, and the negative pressure state of gas-entered passageway can avoid being transmitted the leakage of gas in the air inlet side of gas-entered passageway and blower.But; air blast transporting system is fallen chance and in running order blower is shut down; this blower is once shut down; the subnormal ambient of the gas-entered passageway be so connected with this blower and the air inlet side of impeller will disappear, gas-entered passageway and air inlet side remain be transmitted gas and can be spilled in environment.The blower of current air blast transporting system is arranged on so that worker management in machine room usually, and the above-mentioned spilling being transmitted gas then can bring harm to staff.
To sum up, what how to solve that air blast transporting system causes due to the machine that falls is transferred Leakage Gas problem, is current those skilled in the art technical problems urgently to be resolved hurrily.
Model utility content
The utility model provides a kind of air blast transporting system, with solve the air blast transporting system described in background technique due to fall machine cause be transferred Leakage Gas problem.
In order to solve the problems of the technologies described above, the utility model discloses following technological scheme:
Air blast transporting system, comprising:
The blower of at least two group parallel connections, is respectively emergency blower and work drum blower fan;
Be connected to the gas-entered passageway for subsequent use of described emergency blower both sides and outlet passageway for subsequent use;
Be connected to work gas-entered passageway and the work outlet passageway of described work drum blower fan both sides; Described gas-entered passageway for subsequent use is communicated with described work gas-entered passageway.
Preferably, in said system:
Described emergency blower is provided with the balance tube for subsequent use being communicated with described outlet passageway for subsequent use and described gas-entered passageway for subsequent use, and described balance tube for subsequent use is for reducing the pressure difference between described outlet passageway for subsequent use and described gas-entered passageway for subsequent use;
Described work drum blower fan is provided with the functioning equalization pipe being communicated with described work outlet passageway and described work gas-entered passageway, and described functioning equalization pipe is for reducing the pressure difference between described work outlet passageway and described work gas-entered passageway.
Preferably, in said system, described balance tube for subsequent use is communicated with by connecting tube with described functioning equalization pipe.
Preferably, in said system, described connecting tube is bellows.
Preferably, said system also comprises:
Controller;
The device for detecting density be connected with described controller; Described device for detecting density is transferred the density of gas for detecting described gas-entered passageway inside for subsequent use; Wherein:
Described controller, according to the testing result of described device for detecting density, controls being communicated with or closedown of described gas-entered passageway for subsequent use and described work gas-entered passageway.
The air blast transporting system that the utility model provides has following beneficial effect:
In the air blast transporting system that the utility model provides, because work admission line is in negative pressure state, admission line for subsequent use is in stand-by state due to it, and therefore admission line internal environment for subsequent use is barotropic state.Due to work admission line is communicated with admission line for subsequent use, so under the negative-pressure adsorption effect of work admission line, residually in admission line for subsequent use be transferred gas and can flow into work admission line, and then be transferred away through after work drum blower fan and work outlet pipe successively.This kind of mode can avoid gas overflowing residual in admission line for subsequent use.The air blast transporting system that visible the utility model provides can solve down the Leakage Gas problem that machine causes.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the utility model embodiment or background technique, be briefly described to the required accompanying drawing used in embodiment or background technique description below, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the air blast transporting system that the utility model embodiment one provides;
Fig. 2 is the structural representation of the air blast transporting system that the utility model embodiment two provides;
Fig. 3 is the structural representation of the air blast transporting system that the utility model embodiment three provides.
Description of reference numerals:
Emergency blower 100, gas-entered passageway for subsequent use 101, outlet passageway for subsequent use 102, balance tube for subsequent use 103, work drum blower fan 200, work gas-entered passageway 201, work outlet passageway 202, functioning equalization pipe 203, connecting tube 300, switch valve 301, connecting tube 400, controller 500, device for detecting density 600.
Embodiment
The utility model embodiment provides a kind of air blast transporting system, with solve the air blast transporting system described in background technique due to fall machine cause be transferred Leakage Gas problem.
Technological scheme in the utility model is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the utility model embodiment, technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.
Please refer to Fig. 1, Fig. 1 shows the structure of the air blast transporting system that the utility model embodiment one provides.The air blast transporting system that the utility model embodiment one provides comprises the blower of at least two group parallel connections, gas-entered passageway for subsequent use 101, outlet passageway for subsequent use 102, work gas-entered passageway 201 and work outlet passageway 202.
Wherein, in the blower of at least two group parallel connections, a preparation and a use, namely one group is emergency blower 100, and another group is work drum blower fan 200.In order to regularly implement maintenance shut-downs to blower or reduce blower continuous firing load, emergency blower 100 and work drum blower fan 200 regularly implement machine, namely the working state both changing, when after operation setup time, work drum blower fan 200 is shut down, now it is converted to stand-by state, is referred to as emergency blower after conversion; Meanwhile, emergency blower 100 is started working, and now it is converted to working state, and now we are referred to as work drum blower fan.
Gas-entered passageway 101 for subsequent use and outlet passageway for subsequent use 102 are connected to the both sides of emergency blower 100, when emergency blower 100 is converted to working state, is transferred gas and passes gas-entered passageway 101 for subsequent use, emergency blower 100 and outlet passageway for subsequent use 102 successively to realize conveying.Gas-entered passageway 101 for subsequent use and outlet passageway for subsequent use 102 are converted to work drum blower fan with emergency blower 100 and are converted to working state by stand-by state, and after transition status, we are referred to as work gas-entered passageway and work outlet passageway.
In like manner, work gas-entered passageway 201 and work outlet passageway 202 are connected to the both sides of work drum blower fan 200, are transferred gas and pass work gas-entered passageway 201, work drum blower fan 200 and work outlet passageway 202 successively to realize conveying.Work gas-entered passageway 201 and work outlet passageway 202 are converted to emergency blower with work drum blower fan 200 and are converted to stand-by state by working state, and after transition status, we are referred to as gas-entered passageway for subsequent use and outlet passageway for subsequent use.
Known by foregoing description, in the transfer process of a preparation and a use, in running order blower, admission line and outlet pipe are then respectively work drum blower fan 200, work admission line 201 and work outlet pipe 202; Be in the blower of stand-by state, admission line and outlet pipe and be then respectively emergency blower 100, admission line for subsequent use 101 and outlet pipe for subsequent use 102.
In the air blast transporting system that the utility model embodiment provides, gas-entered passageway 101 for subsequent use is communicated with work gas-entered passageway 201, and concrete, both are directly communicated with by connecting pipe 300.As described in the background art, work admission line 201 is in negative pressure state, and admission line 101 for subsequent use is in stand-by state due to it, and therefore its internal environment is barotropic state, and barotropic state is easier to make gas overflowing residual in admission line 101 for subsequent use.For this reason, in the present embodiment, due to work admission line 201 is communicated with admission line 101 for subsequent use, so under the negative-pressure adsorption effect of work admission line 201, residually in admission line for subsequent use 101 be transferred gas and can flow into work admission line 201, and then be transferred away through after work drum blower fan 200 and work outlet pipe 202 successively.This kind of mode can be avoided residually in admission line 101 for subsequent use being transferred gas overflowing.Visible, what the air blast transporting system that the utility model embodiment provides can solve down that machine causes is transferred Leakage Gas problem.
Blower is in the process of work, its nearly gas side is different with the pressure of side of giving vent to anger, nearly gas side is negative pressure state, and side of giving vent to anger is barotropic state, this also just makes the impeller both sides of blower there is larger pressure difference, it is comparatively large that this pressure difference acts on the axial load that impeller can make impeller bear, and even can cause impeller that larger vibrations occur.Visible, the pressure difference that impeller both sides exist is injurious factor, has a strong impact on the working life of blower.In order to head it off, please refer to Fig. 2, Fig. 2 is the structure of the air blast transporting system that the utility model embodiment two provides.This structure is specially: emergency blower 100 is provided with the balance tube for subsequent use 103 being communicated with outlet passageway 102 for subsequent use and gas-entered passageway for subsequent use 101, and balance tube 103 for subsequent use is for reducing the pressure difference between outlet passageway 102 for subsequent use and gas-entered passageway for subsequent use 101.Work drum blower fan 200 is provided with the functioning equalization pipe 203 of connection work outlet passageway 202 and work gas-entered passageway 201, and functioning equalization pipe 203 is for reducing the pressure difference between work outlet passageway 202 and work gas-entered passageway 201.Above-mentioned balance tube for subsequent use 103 and functioning equalization pipe 203 are also change with the conversion of working state.The setting of above-mentioned balance tube can make the pressure difference of giving vent to anger between side and air inlet side of work drum blower fan 200 reduce, and then can alleviate impeller both sides and be applied to load on impeller due to pressure difference.
Concrete, balance tube 103 for subsequent use and functioning equalization pipe 203 can be connected by connecting tube 400, and then play the effect of indirect communication work gas-entered passageway 201 and gas-entered passageway for subsequent use 101.
More preferred, the connecting tube 300 shown in Fig. 1 and the connecting tube shown in Fig. 2 400 can select bellows.Because work drum blower fan 200 and emergency blower 100 are arranged in the machine room of limited space usually, the scalability of bellows can be convenient to assign a work in the machine room of limited space blower 200 and emergency blower 100.
We know, after work drum blower fan 200 works a period of time, because work gas-entered passageway 201 is communicated with gas-entered passageway 101 for subsequent use, therefore residually in gas-entered passageway 101 for subsequent use be transferred gas and can exhaust gradually, if work gas-entered passageway 201 is in connected state with gas-entered passageway 101 for subsequent use always, the load that so will certainly strengthen work drum blower fan 200 can reduce the transfer efficiency of work drum blower fan 200 in other words.In order to head it off, please refer to Fig. 3, Fig. 3 shows the structure of the air blast transporting system that the utility model embodiment three provides.Air blast transporting system shown in Fig. 3 can also comprise controller 500 and device for detecting density 600.Device for detecting density 600 is transferred the density of gas in gas-entered passageway 101 for subsequent use for detecting.Controller 500 is connected with device for detecting density 600, for the testing result according to device for detecting density 600, controls gas-entered passageway 101 for subsequent use and work being communicated with or closedown of gas-entered passageway 201.
Concrete control procedure can be as follows: when the testing result of device for detecting density 600 is less than setting value, and controller 500 controls to be in closed condition between gas-entered passageway 101 for subsequent use and work gas-entered passageway 201; Otherwise controller 500 controls to be in connected state between gas-entered passageway 101 for subsequent use and work gas-entered passageway 201.It should be noted that namely the gas that those skilled in the art can carry according to whole air blast transporting system be transferred the extent of injury of gas, adjust setting value, be not restricted setting value herein.
Concrete, controller 500 can control admission line 101 for subsequent use by the switch valve 301 controlled on connecting pipe 300 and close with the connected sum of work admission line 201.Certainly, the connected sum that controller 500 also can control admission line 101 for subsequent use and work admission line 201 by the switch valve (Fig. 2 is not shown) on control connecting pipe 400 is closed.
The air blast transporting system that the utility model embodiment provides is improved comparatively simple, and exploitativeness is comparatively strong, and successful.Enterprise more easily can implement less operation improving and environment can be made to be improved on the basis of existing air blast transporting system, and the Security of working environment is also highly improved.Based on this, the air blast transporting system that the present embodiment provides is suitable for large-scale promotion and utilizes.
Herein, only emphasis describes each preferred version is different from other scheme, each preferred version only otherwise conflict, can combination in any, within the category of the embodiment formed after combination also disclosed in this specification, considering that text is succinct, just no longer describing separately combining the embodiment formed herein.
The above is only embodiment of the present utility model, those skilled in the art is understood or realizes the utility model.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
The above is only embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. air blast transporting system, is characterized in that, comprising:
The blower of at least two group parallel connections, is respectively emergency blower (100) and work drum blower fan (200);
Be connected to gas-entered passageway for subsequent use (101) and the outlet passageway for subsequent use (102) of described emergency blower (100) both sides;
Be connected to work gas-entered passageway (201) and work outlet passageway (202) of described work drum blower fan (200) both sides; It is characterized in that: described gas-entered passageway for subsequent use (101) is communicated with described work gas-entered passageway (201).
2. system according to claim 1, is characterized in that:
Described emergency blower (100) is provided with the balance tube for subsequent use (103) being communicated with described outlet passageway for subsequent use (102) and described gas-entered passageway for subsequent use (101), and described balance tube for subsequent use (103) is for reducing the pressure difference between described outlet passageway for subsequent use (102) and described gas-entered passageway for subsequent use (101);
Described work drum blower fan (200) is provided with the functioning equalization pipe (203) being communicated with described work outlet passageway (202) and described work gas-entered passageway (201), and described functioning equalization pipe (203) is for reducing the pressure difference between described work outlet passageway (202) and described work gas-entered passageway (201).
3. system according to claim 2, is characterized in that, described balance tube for subsequent use (103) is communicated with by connecting tube (400) with described functioning equalization pipe (203).
4. system according to claim 3, is characterized in that, described connecting tube (400) is bellows.
5. according to the system in claim 1-4 described in any one, it is characterized in that, also comprise:
Controller (500);
The device for detecting density (600) be connected with described controller (500); Described device for detecting density (600) is transferred the density of gas for detecting described gas-entered passageway for subsequent use (101) inside; Wherein:
Described controller (500), according to the testing result of described device for detecting density (600), controls being communicated with or closedown of described gas-entered passageway for subsequent use (101) and described work gas-entered passageway (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520737561.XU CN204986411U (en) | 2015-09-22 | 2015-09-22 | Blast air conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520737561.XU CN204986411U (en) | 2015-09-22 | 2015-09-22 | Blast air conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204986411U true CN204986411U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520737561.XU Expired - Fee Related CN204986411U (en) | 2015-09-22 | 2015-09-22 | Blast air conveying system |
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| CN (1) | CN204986411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402655A (en) * | 2016-10-25 | 2017-02-15 | 苏州曼德克光电有限公司 | Draught fan protector of air-supply system |
-
2015
- 2015-09-22 CN CN201520737561.XU patent/CN204986411U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402655A (en) * | 2016-10-25 | 2017-02-15 | 苏州曼德克光电有限公司 | Draught fan protector of air-supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20180922 |