CN202883505U - Water jet vacuum pump set - Google Patents
Water jet vacuum pump set Download PDFInfo
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- CN202883505U CN202883505U CN 201220586412 CN201220586412U CN202883505U CN 202883505 U CN202883505 U CN 202883505U CN 201220586412 CN201220586412 CN 201220586412 CN 201220586412 U CN201220586412 U CN 201220586412U CN 202883505 U CN202883505 U CN 202883505U
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Abstract
The utility model discloses a water jet vacuum pump set which aims to overcome the defects that an existing water jet vacuum pump is slow in pumping and less in pumping quantity. The water jet vacuum pump set comprises a water tank, a buffer tank and a centrifugal pump, wherein the centrifugal pump is communicated with the water tank and the centrifugal pump is connected with a vacuum pump. The vacuum pump comprises a connector and a venturi tube, wherein the venture tube is communicated with the water tank. An air inlet is formed in the upper end of the buffer tank, an air outlet is formed in the lower end of the buffer tank, the air outlet is connected with a check valve through a connecting pipe, and the check valve is connected with the connector. The buffer tank comprises an air inlet cavity, a condensation cavity and an air outlet cavity. The air inlet is arranged in the position of the air inlet cavity and the air outlet is arranged in the position of the air outlet cavity. A condensation tube nest is arranged in the condensation cavity. The upper end of the condensation tube nest is communicated with the air inlet cavity and the lower end of the condensation tube nest is communicated with the air outlet cavity. A water outlet is formed in the upper end of the condensation cavity and a water inlet is formed in the lower end of the condensation cavity. A cooling coil is arranged in the water tank. A lower end opening of the cooling coil is a cooling water inlet and an upper end opening is communicated with the water inlet of the condensation cavity through the connecting pipe.
Description
Technical field
The utility model relates to a kind of pumped vacuum systems, and more particularly, it relates to the fast water of a kind of pumping speed and sprays complete vacuum machine group.
Background technique
Water injection vacuum pump is the chemical industry equipment of commonly using, it have simple in structure, cost of equipment is few, maintenance cost is low, the characteristics such as easy to operate, thereby be widely used, be mainly used in the explained hereafter such as vacuum distillation, Vacuum Concentration, vacuum handling, vacuum drying.Water sprays complete vacuum machine group in long-time the use at present, because water temperature is high in the water tank, reduces degree of vacuum and rate of air sucked in required, and waste water resource.Water sprays complete vacuum machine group can not absorb a large amount of condensable property gas, and rate of air sucked in required is few.
Chinese patent notification number CN202065257U discloses a kind of ejector vacuum pump system, comprises sparger, water tank and circulating water pump, the circulating water pump outlet is communicated with the sparger entrance, tank entry is accepted the sparger outlet, and water outlet of water tank is communicated with the circulating water pump entrance, the sparger horizontal positioned.When this ejector vacuum pump system uses for a long time in the water tank water temperature higher, and can not absorb a large amount of condensable property gas, so ejector vacuum pump system pumping speed is slow, rate of air sucked in required is few.
The model utility content
It is slow that the utility model has overcome existing water injection vacuum pump pumping speed, the deficiency that rate of air sucked in required is few, provide a kind of water to spray complete vacuum machine group, it is in long-time the use, can make and keep lower temperature in the water tank, and it can also absorb a large amount of condensable property gas, has greatly increased pumping speed and rate of air sucked in required.
In order to solve the problems of the technologies described above, the utility model is by the following technical solutions: a kind of water sprays complete vacuum machine group, comprise water tank, knock out drum, be connected to the centrifugal pump of water tank lower end, liquid inlet of centrifugal pump is communicated with water tank cavity, the centrifugal pump liquid outlet connects vacuum pump by connecting tube, vacuum pump comprises connecting head and the Venturi tube that is connected on the connecting head, Venturi tube is communicated with water tank, the knock out drum upper end is provided with suction port, the knock out drum lower end is provided with the air outlet, the air outlet connects safety check by connecting tube, and safety check is connected with connecting head, and knock out drum comprises the air-inlet cavity of mutual isolation successively, condensation cavity and outlet chamber, enter mouthful and the air outlet is separately positioned on air-inlet cavity and outlet chamber position, be provided with some condensation tubulations in the condensation cavity, the upper end of condensation tubulation and air-inlet cavity are communicated with, and the lower end of condensation tubulation and outlet chamber are communicated with; The condensation cavity upper end is provided with water outlet on the knock out drum, and the condensation cavity lower end is provided with water intake on the knock out drum, is provided with cooling coil in the water tank, and the lower end mouth of cooling coil is cooling water intake, and the cooling coil upper end-hole is communicated with the water intake of condensation cavity by connecting tube.
Circulating water is transported to vacuum pump by centrifugal pump in water tank, gas is transported to air-inlet cavity by the suction port of knock out drum, be transported to safety check from the air outlet discharge of knock out drum, gas is transported to vacuum pump by safety check, and then gas-liquid mixture arrives water tank by Venturi tube under the effect of water injection vacuum pump.Suction port on the knock out drum connects and is evacuated the chamber, and the effect by water injection vacuum pump vacuumizes.Gas arrives outlet chamber from air-inlet cavity need to pass through the condensation tubulation, and the condensation tubulation can absorb a large amount of condensable gas, and gas is liquefied, and gas reduces greatly from gaseous state liquefy volume, so the condensation tubulation can increase rate of air sucked in required, the speed that quickening is bled.Gas-liquid mixture is discharged to water tank from Venturi tube, is provided with cooling coil in water tank, and cooling coil cools off the circulating water in the water tank, has guaranteed rate of air sucked in required and degree of vacuum.Cooling water flows into from cooling water intake, flows into condensation cavity through the water intake from the condensation cavity position behind the cooling coil, and the condensation tubulation is cooled off, and then cooling water is discharged from the water outlet of condensation cavity.The condensation tubulation is cooled off, increased the condensation effect of condensation tubulation to gas, increase pumping speed.Water sprays complete vacuum machine group in long-time the use, can make to keep lower temperature in the water tank, and it can also absorb a large amount of condensable property gas, has greatly increased pumping speed and rate of air sucked in required.
As preferably, water tank is the cylindrical shell body structure, and cooling coil is arranged in the water tank twist.Water tank is cylindrical-shaped structure, and after circulating water was ejected into water tank central authorities from Venturi tube, circulating water was diffused into water tank wall towards periphery, the stress equalization of each position of water tank wall has reduced the vibrations of unit, makes the process of bleeding more steady, guarantee degree of vacuum, increased water tank working life.Spiral cooling coil has increased the path of cooling water, has improved the cooling effect to water tank.
As preferably, connect gas emission pipe on the water tank, the gas emission pipe upper end arranges floss hole, and gas emission pipe lower end and water tank cavity are communicated with.After gas-liquid mixture was discharged into water tank from Venturi tube, gas was discharged from floss hole by gas emission pipe.
As preferably, be provided with the foam removal silk screen on the water tank cavity.The foam removal silk screen makes the more environmental protection of tail gas of discharging.
As preferably, be connected on the connecting tube of position, air outlet of knock out drum and be connected with vacuum gauge.The convenient degree of vacuum that reads at any time of vacuum gauge.
As preferably, the water tank lower end is provided with sewage draining exit, and the water tank upper end is provided with fluid infusion mouth and flow-off, and the fluid infusion mouth is located at the flow-off top.The convenient impurity of discharging in the water tank of sewage draining exit, the convenient at any time replenishment cycles water in the water tank of fluid infusion mouth, the liquid level of the circulating water in water tank arrives the flow-off position and makes and can discharge from flow-off, prevents the circulating water overfill in the water tank.
As preferably, the vertical installation of vacuum pump, Venturi tube vertically arranges, and connecting head is arranged on the top, and Venturi tube is arranged on the below, and the Venturi tube lower end is connected with water tank by connecting tube.The connecting head of water injection vacuum pump be arranged on the top neutral position, the outer installment of connecting head the multi-layer piping isolation, reduced the unit noise.
Compared with prior art, the beneficial effects of the utility model are: (1) water sprays complete vacuum machine group in long-time the use, can make to keep lower temperature in the water tank, and it can also absorb a large amount of condensable property gas, greatly increase pumping speed and rate of air sucked in required; (2) noise of unit work is little, the water tank wall stress equalization, and the vibrations of unit are little, and pumping process is steady, has guaranteed degree of vacuum, has prolonged the working life of water tank; (3) more environmental protection of exhaust emissions.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Among the figure: 1, water tank, 2, knock out drum, 3, centrifugal pump, 4, connecting tube, 5, connecting head, 6, Venturi tube, 7, suction port, 8, the air outlet, 9, safety check, 10, air-inlet cavity, 11, condensation cavity, 12, outlet chamber, 13, condensation tubulation, 14, water outlet, 15, water intake, 16, cooling coil, 17, cooling water intake, 18, gas emission pipe, 19, floss hole, 20, the foam removal silk screen, 21, vacuum pump, 22, sewage draining exit, 23, the fluid infusion mouth, 24, flow-off.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described specifically:
Embodiment: a kind of water sprays complete vacuum machine group (referring to accompanying drawing 1), comprise water tank 1, knock out drum 2, be connected to the centrifugal pump 3 of water tank lower end, water tank is the cylindrical shell body structure, the water tank lower end is provided with sewage draining exit 22, the water tank upper end is provided with fluid infusion mouth 23 and flow-off 24, and the fluid infusion mouth is located at the flow-off top.Sewage draining exit and flow-off are arranged on the sidewall of water tank.Liquid inlet of centrifugal pump is communicated with water tank cavity, and centrifugal pump is connected to the lower end position of water tank, and the centrifugal pump liquid outlet connects vacuum pump by L shaped connecting tube 4, and vacuum pump comprises connecting head 5 and the Venturi tube 6 that is connected on the connecting head, and Venturi tube is communicated with water tank.The vertical neutral position that is installed in unit of vacuum pump, Venturi tube vertically arranges, and connecting head is arranged on the top, and Venturi tube is arranged on the below, and the Venturi tube lower end is connected with water tank by connecting tube.The knock out drum upper end is provided with suction port 7, and the knock out drum lower end is provided with air outlet 8, and knock out drum comprises air-inlet cavity 10, condensation cavity 11 and the outlet chamber 12 of mutual isolation successively, and enter mouth and air outlet are separately positioned on air-inlet cavity and outlet chamber position.The air outlet connects safety check 9 by connecting tube, and safety check is connected with connecting head, is connected on the connecting tube of position, air outlet of knock out drum and is connected with vacuum gauge 21.Be provided with some condensation tubulations 13 in the condensation cavity, the upper end of condensation tubulation and air-inlet cavity are communicated with, the lower end of condensation tubulation and outlet chamber are communicated with, the condensation cavity upper end is provided with water outlet 14 on the knock out drum, the condensation cavity lower end is provided with water intake 15 on the knock out drum, be provided with cooling coil 16 in the water tank, cooling coil is arranged in the water tank twist.The lower end mouth of cooling coil is cooling water intake 17, and the cooling coil upper end-hole is communicated with the water intake of condensation cavity by connecting tube.The frustoconic shape that the water tank upper end is big up and small down, frustoconic shape position, water tank cavity upper end is provided with foam removal silk screen 20, the water tank upper end connects gas emission pipe 18, the gas emission pipe upper end arranges floss hole 19, gas emission pipe lower end and water tank cavity are communicated with, and the lower end of gas emission pipe is arranged on the top of foam removal silk screen, and the lower end of the connecting tube that is connected with Venturi tube is arranged on the below of foam removal silk screen in the water tank.
Circulating water is transported to vacuum pump by centrifugal pump in water tank, gas is transported to air-inlet cavity by the suction port of knock out drum, be transported to safety check from the air outlet discharge of knock out drum, gas is transported to vacuum pump by safety check, then gas-liquid mixture arrives water tank by Venturi tube under the effect of water injection vacuum pump, circulating water is stayed and is continued in the water tank to recycle, and gas passes the foam removal silk screen and discharges in gas emission pipe.Suction port on the knock out drum connects and is evacuated the chamber, and the effect by water injection vacuum pump vacuumizes.Gas arrives outlet chamber from air-inlet cavity need to pass through the condensation tubulation, and the condensation tubulation can absorb a large amount of condensable gas, and gas is liquefied, and gas reduces greatly from gaseous state liquefy volume, so the condensation tubulation can increase rate of air sucked in required, the speed that quickening is bled.Gas-liquid mixture is discharged to water tank from Venturi tube, is provided with cooling coil in water tank, and cooling coil cools off the circulating water in the water tank, has guaranteed rate of air sucked in required and degree of vacuum.Cooling water flows into from cooling water intake, flows into condensation cavity through the water intake from the condensation cavity position behind the cooling coil, and the condensation tubulation is cooled off, and then cooling water is discharged from the water outlet of condensation cavity.The condensation tubulation is cooled off, increased the condensation effect of condensation tubulation to gas, increase pumping speed.
Above-described embodiment is a kind of better scheme of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technological scheme that claim puts down in writing.
Claims (7)
1. a water sprays complete vacuum machine group, comprise water tank (1), knock out drum (2), be connected to the centrifugal pump (3) of water tank lower end, liquid inlet of centrifugal pump is communicated with water tank cavity, the centrifugal pump liquid outlet connects vacuum pump by connecting tube (4), vacuum pump comprises connecting head (5) and is connected to Venturi tube (6) on the connecting head, Venturi tube is communicated with water tank, the knock out drum upper end is provided with suction port (7), the knock out drum lower end is provided with air outlet (8), the air outlet connects safety check (9) by connecting tube, safety check is connected with connecting head, it is characterized in that, knock out drum comprises the air-inlet cavity (10) of mutual isolation successively, condensation cavity (11) and outlet chamber (12), enter mouthful and the air outlet is separately positioned on air-inlet cavity and outlet chamber position, be provided with some condensation tubulations (13) in the condensation cavity, the upper end of condensation tubulation and air-inlet cavity are communicated with, and the lower end of condensation tubulation and outlet chamber are communicated with; The condensation cavity upper end is provided with water outlet (14) on the knock out drum, the condensation cavity lower end is provided with water intake (15) on the knock out drum, be provided with cooling coil (16) in the water tank, the lower end mouth of cooling coil is cooling water intake (17), and the cooling coil upper end-hole is communicated with the water intake of condensation cavity by connecting tube.
2. water according to claim 1 sprays complete vacuum machine group, it is characterized in that, water tank is the cylindrical shell body structure, and cooling coil is arranged in the water tank twist.
3. water according to claim 1 sprays complete vacuum machine group, it is characterized in that, the water tank upper end connects gas emission pipe (18), and the gas emission pipe upper end arranges floss hole (19), and gas emission pipe lower end and water tank cavity are communicated with.
4. water according to claim 3 sprays complete vacuum machine group, it is characterized in that, the water tank cavity upper end is provided with foam removal silk screen (20).
According to claim 1 and 2 or 3 or 4 described water spray complete vacuum machine group, it is characterized in that, be connected on the connecting tube of position, air outlet of knock out drum and be connected with vacuum gauge (21).
According to claim 1 and 2 or 3 or 4 described water spray complete vacuum machine group, the water tank lower end is provided with sewage draining exit (22), water tank upper end is provided with fluid infusion mouth (23) and flow-off (24), the fluid infusion mouth is located at above the flow-off.
According to claim 1 and 2 or 3 or 4 described water spray complete vacuum machine group, it is characterized in that the vertical installation of vacuum pump, Venturi tube vertically arranges, connecting head is arranged on the top, and Venturi tube is arranged on the below, and the Venturi tube lower end is connected with water tank by connecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220586412 CN202883505U (en) | 2012-11-08 | 2012-11-08 | Water jet vacuum pump set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220586412 CN202883505U (en) | 2012-11-08 | 2012-11-08 | Water jet vacuum pump set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202883505U true CN202883505U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220586412 Expired - Lifetime CN202883505U (en) | 2012-11-08 | 2012-11-08 | Water jet vacuum pump set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202883505U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151118A (en) * | 2016-08-16 | 2016-11-23 | 浙江特塑龙化工设备有限公司 | Environment-friendly type vacuum pump set |
| CN109519420A (en) * | 2018-10-09 | 2019-03-26 | 饶银娥 | A kind of waste gas absorption water sprays vacuum pump set |
| CN112268022A (en) * | 2020-10-12 | 2021-01-26 | 宁夏长荣环保科技有限公司 | Full-plastic environment-friendly vacuum unit |
| CN114658698A (en) * | 2022-03-29 | 2022-06-24 | 青岛北冰洋冷暖能源科技有限公司 | Combined liquid injection vacuum-pumping system and vacuum-pumping method |
| WO2022260537A1 (en) * | 2021-06-08 | 2022-12-15 | David Godfrey Kay | Apparatus and method to generate a negative pressure |
-
2012
- 2012-11-08 CN CN 201220586412 patent/CN202883505U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151118A (en) * | 2016-08-16 | 2016-11-23 | 浙江特塑龙化工设备有限公司 | Environment-friendly type vacuum pump set |
| CN109519420A (en) * | 2018-10-09 | 2019-03-26 | 饶银娥 | A kind of waste gas absorption water sprays vacuum pump set |
| CN112268022A (en) * | 2020-10-12 | 2021-01-26 | 宁夏长荣环保科技有限公司 | Full-plastic environment-friendly vacuum unit |
| WO2022260537A1 (en) * | 2021-06-08 | 2022-12-15 | David Godfrey Kay | Apparatus and method to generate a negative pressure |
| CN114658698A (en) * | 2022-03-29 | 2022-06-24 | 青岛北冰洋冷暖能源科技有限公司 | Combined liquid injection vacuum-pumping system and vacuum-pumping method |
| CN114658698B (en) * | 2022-03-29 | 2024-04-26 | 青岛北冰洋冷暖能源科技有限公司 | Combined liquid injection vacuumizing system and vacuumizing method |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |