CN203067288U - Environment-friendly vacuum unit - Google Patents
Environment-friendly vacuum unit Download PDFInfo
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- CN203067288U CN203067288U CN 201320022104 CN201320022104U CN203067288U CN 203067288 U CN203067288 U CN 203067288U CN 201320022104 CN201320022104 CN 201320022104 CN 201320022104 U CN201320022104 U CN 201320022104U CN 203067288 U CN203067288 U CN 203067288U
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Abstract
The utility model discloses an environment-friendly vacuum unit, aiming at solving the problem of secondary pollution of waste gas liquid in a working process of a conventional vacuum unit. According to the technical scheme, the environment-friendly vacuum unit comprises a closed shell, wherein an air inlet and an air outlet are formed in the shell; and an air guide pipeline is arranged between the air inlet and the air outlet. The environment-friendly vacuum unit is characterized by also comprising a liquid circulating pipeline, wherein a water flush pump head and a circulating pump are arranged on the liquid circulating pipeline; a Venturi pipe is arranged in the water flush pump head; and the air guide pipeline is communicated with the water flush pump head. The environment-friendly vacuum unit can be widely applied to the fields of chemical industry, pharmacy, food, environmental protection and the like.
Description
Technical field
The utility model relates to a kind of environment protection type vacuum unit that can be applicable to fields such as chemical industry, pharmacy, food, environmental protection.
Background technique
China's utility model patent (patent No.: the hydrologic cycle cooling system that discloses a kind of multi-stage dry vacuum pump unit 201020643187.4).Comprise water inlet manifold road, total rising pipe, be divided into total rising pipe behind three tunnel, one tunnel cooling multi-stage dry pump motor gear chamber about cooling water cools off by water inlet manifold behind the pump motor frequency variator water-cooled piece; Import total rising pipe behind one tunnel water quench Roots pump motor and the gear cavity; Two-way is told after directly inserting the solenoid valve water-collecting machine again in another road, import total rising pipe behind one tunnel cooling Roots pump bearing bore, fuel tank and the pump housing lower surface water-cooled piece, one road cavity upper and lower surface cavity water-cooled piece of flowing through multi-stage dry pump cools off the back and imports total rising pipe.Advantage of the present utility model: 1. pair frequency variator always carries out water-cooled, can select cooling to motor, Roots pump surface and the multi-stage dry pump surface of Roots pump motor, multi-stage dry pump; 2. adopt solenoid valve and solenoid valve water-collecting machine control water inlet and water outlet conserve space; 3. heat-transfer effect is good.
The hydrologic cycle cooling system complex structure of this multi-stage dry vacuum pump unit, the waste gas that not too is fit to be applied to producing on producing is handled, if be applied in the waste gas treatment process, easily environment is caused bigger pollution.
The box water injection vacuum pump that present history is continued to use, its circulating water must out while advancing, and the waste gas that vacuum is extracted out formation high-concentration waste water after water mixes towards pump head is discharged incessantly; Casing top combustion gas does not directly enter atmosphere through recycling yet simultaneously.
Summary of the invention
For overcoming above-mentioned defective, the utility model technical issues that need to address are: a kind of environment protection type vacuum unit is provided, and in its working procedure, circulatory mediator can recycle, and can not reduce the secondary pollution to external world of waste gas liquid directly to extraneous effluent discharge.
For solveing the technical problem, the technical solution of the utility model: a kind of environment protection type vacuum unit, the housing that comprises sealing, housing is provided with suction port and air outlet, is provided with the air guide pipeline between suction port and the air outlet, it is characterized in that, also comprise liquid circulation line, liquid circulation line is provided with water towards pump head and recycle pump, and water is provided with Venturi tube in pump head, and described air guide pipeline communicates towards pump head with water.The air guide pipeline flows within it for institute's waste gas to be processed.Under the promotion of recycle pump, liquid circulation line circulates within it for circulating liquid.
As preferably, be provided with condenser in the described housing, described air guide pipeline passes condenser, and condenser is positioned at water towards the upstream of pump head.After waste gas entered in the housing, the device chilling temperature that is condensed earlier descended, and then enters into water in pump head.After waste gas is cooled, can effectively reduce the load of bleeding of waste gas, the waste gas of being more convenient for enters into water in pump head.And after waste gas was cooled, the liquescent component of some in the waste gas (as methyl alcohol) can become liquid, can collect the component of these liquefaction, and the component that can effectively reduce in the waste gas constitutes.
As preferably, in housing, below condenser, be provided with buffer cell.Buffer cell is collected for the component that some the process condensers to waste gas are liquefied, and is convenient to these components are reclaimed.
As preferably, the part of described liquid circulation line in housing comprises interior pipe, the part of described air guide pipeline in housing comprises outer tube, interior pipe and outer tube all vertically arrange, be plugged in the outer tube interior ligament, in pipe and the lower end of outer tube all opening-like, described air outlet direct with interior pipe and outer tube between cavity communicate.By described interior pipe and outer tube are set, can take full advantage of the structural characteristics of housing, be conducive to improve integrally-built compactedness, reduced the shared space of this vacuum unit effectively.
As preferably, described in the outer end of pipe reach the outside of housing, the outer end of pipe in water is connected towards pump head.Can make things convenient for the connection between air guide pipeline and the liquid circulation line to communicate like this.
As preferably, described in the inner end of pipe reach the outside of described outer tube, in housing, be provided with demister in the outside of interior pipe inner end.Be provided with demister, can effectively remove the foam that produces when waste gas and circulation liquid phase mix, further flow thereby be beneficial to waste gas.
As preferably, be provided with the circulating liquid storage tank at housing bottom, described liquid circulation line communicates with the circulating liquid storage tank, is provided with cooling coil in the described circulating liquid storage tank.In the circulating liquid storage tank, cooling coil is set, can concentrates circulating liquid is cooled off, can guarantee high vacuum.
As preferably, described housing is the double-walled body, is formed with cooling chamber between the double-walled body, and hull outside is provided with cooling liquids turnover pipe some and communicating with cooling cavity.By housing wall body inside is cooled off, the temperature that has reduced outer bound pair enclosure interior impacts.
The beneficial effects of the utility model are: direct water or to select suitable liquid for use be circulating liquid, circulating liquid circulates in the circulating liquid pipeline under the promotion of recycle pump, directly is not discharged into the external world, has reduced the secondary pollution to external world of waste gas liquid.The component that has been liquefied in the waste gas recycles after the cooling coil cooling, can guarantee high vacuum and reduce the loss of circulatory mediator, the discharging of having stopped waste water in this vacuum unit running process.The gas of suction is introduced into condenser, the composition in the recyclable waste gas, and reduce and pollute and the load of bleeding.The waste gas of discharging is behind the broken foam of demister, and the liquid partial reflux reduces ejection medium and other waste liquids and enters into waste gas header from the air outlet to the circulating liquid storage tank, alleviates the working load of waste gas treatment master station.This unit condenser and cooling coil all can adopt graphite material, and centrifugal pump adopts full PP structure, and the pipe valve on the housing can adopt the virgin pp material, have the superior corrosion resistance energy to guarantee this unit.
Description of drawings
Fig. 1 is the structural representation of the utility model environment protection type vacuum generating set main body part.
Fig. 2 is the structural representation of a kind of mode of execution of the utility model environment protection type vacuum unit.
Fig. 3 is the structural representation of the another kind of mode of execution of the utility model environment protection type vacuum unit.
Embodiment
See among the figure that the structure of the utility model environment protection type vacuum unit comprises and is provided with suction port 7 and air outlet 4 at housing 1 by the housing 1 of sealing, communicates by the air guide pipeline between suction port 7 and the air outlet 4.The existing part in housing 1 of air guide pipeline has the part in housing 1 outside again.This vacuum unit also comprises liquid circulation line, and the existing part in housing 1 of liquid circulation line has the part in housing 1 outside again, and liquid circulation line communicates with the air guide pipeline.
Be provided with recycle pump 15 and water towards pump head 5 at liquid circulation line, recycle pump 15 and water all are positioned at the outside of housing 1 towards pump head, and the circulating liquid that recycle pump 15 is used for promoting in the circulation loop flows, and water is provided with Venturi tube in pump head 5.The air guide pipeline directly is connected water on pump head 5, and realize with liquid circulation line between communicate.
Can be provided with condenser 3 in housing 1 on the air guide pipeline, the agent structure of condenser 3 is vertical graphite-pipe, and vertical graphite-pipe communicates with cooling line by two joints that are arranged on the housing 1.Condenser 3 is positioned at the downstream of suction port 7, but condenser 3 is positioned at water towards the upstream of pump head 5.Be provided with buffer cell 2 in housing 1 below condenser 3, the component that buffer cell 2 has been used for being liquefied of waste gas is collected.
Pipe 8 and outer tube 6 in axial location place in housing 1 is provided with coaxially, interior pipe 8 is the part in housing 1 as air guide pipeline and liquid circulation line, and outer tube 6 is as the part of air guide pipeline in housing.Be plugged in the outer tube 6 to interior pipe 8 coaxial space, the outer end of interior pipe 8 and outer tube 6 all reaches the outside of housing 1, and their inner end is plugged in the housing 1, and the two end part of interior pipe 8 all protrude into the outside at outer tube 6 two end part.Interior pipe 8 and outer tube 6 pass condenser 3 and buffer cell 2, and the inner of interior pipe 8 and outer tube 6 is all opened wide.In pipe 8 inner ends be provided with the demister 10 of porous structure with respect to the periphery of outer tube 6 inner end projections, the inwall of the periphery of demister 10 and housing 1 is fixed.Be formed with cavity 9 between interior pipe 8 and the outer tube 6, described air outlet 4 is fixed on the external part of outer tube 6, and air outlet 4 directly communicates with cavity 9.
Be provided with circulating liquid storage tank 12 in housing 1, be provided with cooling coil 11 in this circulating liquid storage tank 12 below demister 10, circulating liquid storage tank 12 is positioned at the bottom of housing 1, and circulating liquid storage tank 12 is used for storing circulating liquid.
Shown in Figure 2 is a kind of mode of execution of this vacuum unit, in the figure, the waste gas that in buffer cell 2, comes out directly by inboard standpipe 13 guide water towards pump head 5.
Shown in Figure 3 is the another kind of mode of execution of this vacuum unit, in the figure, be provided with Roots pump 16 in housing 1 outside in the position of buffer cell 2, Roots pump 16 communicates with buffer cell 2, Roots pump 16 is connected water towards the sidepiece of pump head 5 by inboard standpipe 13, and inboard standpipe 13 is the part of air guide pipeline in housing 1 outside.Recycle pump 15 is arranged on housing 1 outside in the position of circulating liquid storage tank 12, recycle pump 15 communicates with circulating liquid storage tank 12, recycle pump 15 communicates towards pump head 5 with described water by outside standpipe 14, the outside standpipe 14 be liquid circulation line in the part in the outside of housing 1, outside standpipe 14 is connected water towards the upper end portion of pump head 5.
This environment protection type vacuum unit is when work, and waste gas is in suction port 7 enters into housing 1, and waste gas is flowed through condenser 3, buffer cell 2, Roots pump 16, inboard standpipe 13, water successively towards pump head 5, interior pipe 8.Be dissolved with that the circulating liquid of component enters in the circulating liquid storage tank 12 in the waste gas, the gaseous state thing see through demister 10 enter in the cavity 9 between pipe 8 and the outer tube 6, and final from the air outlet 4 outsides of discharging housings 1.Enter into liquid in the circulating liquid storage tank 12 after cooling coil 11 coolings, be recycled pump 15 and be drawn in the standpipe 14 of the outside, and through water enters into towards pump head 5 in, manage in 8, to finish the circulation of circulating liquid.
This unit allows many series and parallels to install and use, and can effectively improve rate of air sucked in required and emergency power.This unit has advantages such as pumping speed is big, consumed power is little.Structurally not only compact, and install and use also very convenient.
Claims (8)
1. environment protection type vacuum unit, the housing that comprises sealing, housing is provided with suction port and air outlet, be provided with the air guide pipeline between suction port and the air outlet, it is characterized in that, comprise that also liquid circulation line, liquid circulation line are provided with water towards pump head and recycle pump, water is provided with Venturi tube in pump head, described air guide pipeline communicates towards pump head with water.
2. environment protection type vacuum unit according to claim 1 is characterized in that, is provided with condenser in the described housing, and described air guide pipeline passes condenser, and condenser is positioned at water towards the upstream of pump head.
3. environment protection type vacuum unit according to claim 2 is characterized in that, is provided with buffer cell in housing below condenser.
4. according to claim 1,2 or 3 described environment protection type vacuum units, it is characterized in that, the part of described liquid circulation line in housing comprises interior pipe, the part of described air guide pipeline in housing comprises outer tube, interior pipe and outer tube all vertically arrange, be plugged in the outer tube, the lower end of interior pipe and outer tube is all opening-like interior ligament, described air outlet directly with interior pipe and outer tube between cavity communicate.
5. environment protection type vacuum unit according to claim 4 is characterized in that, the outer end of described interior pipe reaches the outside of housing, the outer end of pipe in water is connected towards pump head.
6. environment protection type vacuum unit according to claim 5 is characterized in that, the inner end of described interior pipe reaches the outside of described outer tube, is provided with demister in the outside of interior pipe inner end in housing.
7. according to claim 1,2 or 3 described environment protection type vacuum units, it is characterized in that be provided with the circulating liquid storage tank at housing bottom, described liquid circulation line communicates with the circulating liquid storage tank, is provided with cooling coil in the described circulating liquid storage tank.
8. according to claim 1,2 or 3 described environment protection type vacuum units, it is characterized in that described housing is the double-walled body, is formed with cooling chamber between the double-walled body, hull outside is provided with cooling liquid turnover pipe some and communicating with cooling cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320022104 CN203067288U (en) | 2013-01-16 | 2013-01-16 | Environment-friendly vacuum unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320022104 CN203067288U (en) | 2013-01-16 | 2013-01-16 | Environment-friendly vacuum unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203067288U true CN203067288U (en) | 2013-07-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320022104 Expired - Fee Related CN203067288U (en) | 2013-01-16 | 2013-01-16 | Environment-friendly vacuum unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203067288U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968953A (en) * | 2017-03-13 | 2017-07-21 | 温州集智科技有限公司 | Environment-friendly type vacuum pump set |
| CN111097260A (en) * | 2019-12-02 | 2020-05-05 | 泸州北方纤维素有限公司 | Hydroxyethyl cellulose production waste gas recovery device |
-
2013
- 2013-01-16 CN CN 201320022104 patent/CN203067288U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968953A (en) * | 2017-03-13 | 2017-07-21 | 温州集智科技有限公司 | Environment-friendly type vacuum pump set |
| CN106968953B (en) * | 2017-03-13 | 2019-02-12 | 广德玉龙泵业有限公司 | Environment-friendly type vacuum pump set |
| CN111097260A (en) * | 2019-12-02 | 2020-05-05 | 泸州北方纤维素有限公司 | Hydroxyethyl cellulose production waste gas recovery device |
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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 |
Granted publication date: 20130717 Termination date: 20160116 |
|
| EXPY | Termination of patent right or utility model |