CN214274072U - Vacuum pump cooling water tank for NVP synthesis - Google Patents
Vacuum pump cooling water tank for NVP synthesis Download PDFInfo
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- CN214274072U CN214274072U CN202120111737.6U CN202120111737U CN214274072U CN 214274072 U CN214274072 U CN 214274072U CN 202120111737 U CN202120111737 U CN 202120111737U CN 214274072 U CN214274072 U CN 214274072U
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Abstract
The utility model provides a vacuum pump cooling basin for NVP is synthetic, include: the cooling device comprises a tank body, wherein cooling water is filled in the tank body; the top cover is in sealing fit with the opening at the upper end of the groove body; the water inlet is formed in the top cover and communicated with a water spraying pipe of the vacuum pump to receive sprayed water; the water outlet is formed in the bottom of the tank body and communicated with a water inlet pipe of the vacuum pump so as to supply cooling water to the vacuum pump; and the cooling coil is arranged in the tank body to cool water. The synthetic vacuum pump cooling basin of NVP cools off the circulating water in to the basin through two kinds of different modes, makes the circulating water have good cooling effect to make the impurity of water reduce, do benefit to and improve vacuum.
Description
Technical Field
The utility model relates to a vacuum pump cooling technical field, concretely relates to a vacuum pump cooling basin for NVP is synthetic.
Background
The water jet vacuum pump uses a large amount of water flow to jet and drive gas in the container so as to achieve the purpose of obtaining vacuum, and has simple structure and easy installation; the water jet vacuum pump has the advantages that the water jet vacuum pump is low in price, the corrosion resistance problem is solved, the water jet vacuum pump is adopted by chemical and pharmaceutical industries, water consumption is high, a large amount of circulating liquid needs to be cooled, the circulating liquid is easy to heat, and the vacuum degree and the air suction amount are greatly reduced.
Chemical enterprises often use a water jet vacuum pump to realize processes such as reduced pressure concentration and drying in the production process, and for example, the water jet vacuum pump is used in NVP synthesis. And therefore often suffer from poor vacuum performance of the vacuum pump.
The vacuum effect can be improved by controlling the temperature of circulating water of the water jet vacuum pump, and related technologies are researched and developed by some manufacturers in China, but the vacuum effect is still unsatisfactory in the actual application process.
For example, chinese utility model patent that application number is CN202020205590.2 discloses a water tank that supporting water jet vacuum pump used, and it includes the water tank body and sets up the inside cooling coil of water tank body, water tank body top sets up the import more than one, the import communicates with the injection pipe of water jet vacuum pump, water tank body top still sets up exhaust outlet, exhaust outlet and tail gas absorption tower import intercommunication, cooling coil one end and cooling coil import intercommunication, the other end and cooling coil export intercommunication, this internal drain pump that sets up of water tank, set up the outlet on the lateral wall of water tank body, the drain pump passes through the drain pipe intercommunication with the water tank of water jet vacuum pump, set up the check valve on the drain pipe.
The ozone preparation device in the prior art has the following technical problems in the practical application process:
water directly circulates, and water sprayed by the water spraying vacuum pump and impurities contained in gas enter the water spraying vacuum pump again to influence the vacuum effect of the vacuum pump;
and a single cooling mode is adopted, so that the cooling effect of water is not ideal.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art, the utility model aims to provide a vacuum pump cooling basin for NVP is synthetic.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides a vacuum pump cooling basin for NVP is synthetic, include:
the cooling device comprises a tank body, wherein cooling water is filled in the tank body;
the top cover is in sealing fit with the opening at the upper end of the groove body;
the water inlet is formed in the top cover and communicated with a water spraying pipe of the vacuum pump to receive sprayed water;
the water outlet is formed in the bottom of the tank body and communicated with a water inlet pipe of the vacuum pump so as to supply cooling water to the vacuum pump;
and the cooling coil is arranged in the tank body to cool water.
Further, the bottom of cell body communicates there is the air inlet, the intercommunication has the gas vent on the top cap, the air inlet intercommunication has centrifugal fan, centrifugal fan with still communicate the check valve between the air inlet, the gas vent communicates in NVP synthesis system's tail gas absorption tower.
Furthermore, the upper part of the tank body is communicated with a pressure gauge for measuring the pressure of the inner cavity of the tank body and a first thermometer for measuring the temperature of the inner cavity of the tank body, and the lower part of the tank body is communicated with a second thermometer for measuring the temperature of water in the tank body.
Further, the tank body is also communicated with a liquid level meter, and the liquid level meter is used for observing the liquid level of the water in the tank body.
Further, the water outlet is communicated with the tank body through a water filter.
Further, the water filter include first communicating pipe and with the parallelly connected second communicating pipe of first communicating pipe, install the filter core on the second communicating pipe, install the bypass valve on the first communicating pipe, the delivery port communicate in the inlet tube of vacuum pump, the import of first communicating pipe communicate in the cell body, the export of first communicating pipe communicate in the delivery port.
Furthermore, the upper part of the groove body is also communicated with a pressure relief valve.
Furthermore, the top cover is also communicated with an inspection manhole.
Furthermore, a water replenishing port is communicated with the top cover.
Furthermore, a reserved opening is communicated with the top cover.
Furthermore, the bottom of the groove body is also communicated with a slag discharge port.
Compared with the prior art, the beneficial effects of the utility model are that:
1. a vacuum pump cooling basin for NVP is synthetic, through cooling coil, air inlet, gas vent and centrifugal fan's cooperation setting, cool off through the circulating water of two kinds of different modes in to the basin, make the circulating water have good cooling effect.
2. The vacuum pump cooling water tank for NVP synthesis of the utility model reduces the impurities of the water entering the vacuum pump through the matching arrangement of the water inlet, the water outlet and the water filter, and is beneficial to improving the vacuum degree;
3. a vacuum pump cooling basin for NVP is synthetic, through the cooperation setting of drain, moisturizing mouth and row cinder notch, make the water yield in the basin be convenient for adjust, and be convenient for update.
Drawings
Fig. 1 is a front view of a vacuum pump cooling water tank for NVP synthesis according to an embodiment of the present invention;
fig. 2 is a top view of a vacuum pump cooling water tank for NVP synthesis according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a water filter according to an embodiment of the present invention.
Description of reference numerals: 1-tank body, 11-air inlet, 12-pressure gauge, 13-first thermometer, 14-second thermometer, 15-liquid level meter, 17-water outlet, 18-pressure relief valve, 2-top cover, 21-air outlet, 22-water replenishing port, 23-maintenance manhole, 25-reserved port, 3-water inlet, 4-water outlet, 6-cooling coil, 5-water filter, 51-first communicating pipe, 52-second communicating pipe, 53-filter core and 54-bypass valve.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the following detailed description of the present invention is made in conjunction with the accompanying drawings and the detailed description, it is to be noted that the features of the embodiments and examples of the present invention may be combined with each other without conflict.
Examples
As shown in fig. 1-2, a vacuum pump cooling water tank for NVP synthesis comprises:
the device comprises a tank body 1, wherein cooling water is filled in the tank body 1;
the top cover 2 is in sealing fit with an opening at the upper end of the tank body 1;
the water inlet 3 is arranged on the top cover 2 and communicated with a water spraying pipe of the vacuum pump to receive sprayed water;
the water outlet 4 is formed in the bottom of the tank body 1 and communicated with a water inlet pipe of the vacuum pump to supply cooling water to the vacuum pump;
and the cooling coil 6 is arranged in the tank body 1 to cool water.
In the above embodiment, the tank body 1 is in the shape of a cuboid or a cylinder;
the top cover 2 is hermetically connected with an opening at the upper end of the tank body 1 through a flange;
the water inlet 3 and the water outlet 4 are both provided with flange plates;
the vacuum pump is a water jet vacuum pump.
The bottom of cell body 1 communicates with air inlet 11, the last intercommunication of top cap 2 has gas vent 21, air inlet 11 communicates with centrifugal fan (not shown in the figure), centrifugal fan with still communicate check valve (not shown in the figure) between the air inlet 11, gas vent 21 communicates in NVP synthesis system's tail gas absorption tower.
In the above embodiment, centrifugal fan impresses normal atmospheric temperature air in the cell body 1, cools down to the water in the cell body 1, and gas has carried the heat and has passed through gas vent 21 discharges, gas vent 21 combustion gas still comes from the gas that the water injection pipe erupted, through the tail gas absorption tower has avoided the direct emission of gas, and through above-mentioned process, it is right to accomplish gas the cooling process of the water in the cell body 1.
The upper part of the tank body 1 is communicated with a pressure gauge 12 for measuring the pressure in the inner cavity of the tank body 1 and a first thermometer 13 for measuring the temperature in the inner cavity of the tank body 1, and the lower part of the tank body 1 is communicated with a second thermometer 14 for measuring the temperature of water in the tank body 1.
In the actual use process, the upper space in the cooling water tank is a cavity, the lower space is filled with water, the pressure gauge 12 is used for measuring the pressure in the cavity, the first thermometer 13 is used for measuring the temperature in the cavity, and the second thermometer 14 is used for measuring the temperature of the water.
The tank body 1 is also communicated with a liquid level meter 15, and the liquid level meter 15 is used for observing the liquid level of the water in the tank body 1.
In the above embodiment, the liquid level of the water in the tank body 1 is obtained according to the reading of the liquid level meter 15, and then the water amount in the tank body 1 is adjusted, if the water amount is low, the water is supplemented through the water supplement port 22, if the water amount is high, and part of the water is discharged through the water discharge port 17.
As shown in fig. 3, the water outlet 4 is communicated with the tank body 1 through a water filter 5.
In the above embodiment, the water sprayed through the water spraying pipe of the vacuum pump contains impurities, which need to be filtered, the water filter 5 can deliver the filtered water to the water outlet 4, and the water at the water outlet 4 is delivered to the water inlet pipe of the vacuum pump through the delivery pump for reuse, so as to complete the water circulation;
The upper part of the groove body 1 is also communicated with a pressure relief valve 18.
In the above embodiment, the pressure in the cavity at the upper part of the tank body 1 exceeds the threshold value, and the pressure relief valve 18 is started to relieve the pressure in the tank body 1.
The top cover 2 is also communicated with an inspection manhole 23.
In the above embodiment, the manhole 23 is used for people to get in and out of the tank body 1 for installation, inspection and safety inspection, and is composed of a short cylindrical section (or short pipe), a flange and a manhole cover with a handle.
The top cover 2 is also communicated with a water replenishing port 22.
In the above embodiment, as the water circulation proceeds, the water amount is lost, and in order to achieve a good cooling effect, it is necessary to ensure that a certain amount of water is retained in the tank body 1.
The top cover 2 is also communicated with a reserved opening 25.
The reserve port 25 is used for injecting an antifoaming agent.
The bottom of the tank body 1 is also communicated with a slag discharge port (not shown in the figure).
The present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only for illustrating the principle of the present invention, without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims.
Claims (9)
1. A vacuum pump cooling water tank for NVP synthesis is characterized by comprising:
the cooling device comprises a tank body, wherein cooling water is filled in the tank body;
the top cover is in sealing fit with the opening at the upper end of the groove body;
the water inlet is formed in the top cover and communicated with a water spraying pipe of the vacuum pump to receive sprayed water;
the water outlet is formed in the bottom of the tank body and communicated with a water inlet pipe of the vacuum pump so as to supply cooling water to the vacuum pump;
and the cooling coil is arranged in the tank body to cool water.
2. The vacuum pump cooling water tank for NVP synthesis according to claim 1, wherein the bottom of the tank body is communicated with an air inlet, the top cover is communicated with an air outlet, the air inlet is communicated with a centrifugal fan, a check valve is further communicated between the centrifugal fan and the air inlet, and the air outlet is communicated with a tail gas absorption tower of the NVP synthesis system.
3. The vacuum pump cooling water tank for NVP synthesis as claimed in claim 2, wherein the upper part of the tank body is communicated with a pressure gauge for measuring the pressure in the inner cavity of the tank body and a first thermometer for measuring the temperature in the inner cavity of the tank body, and the lower part of the tank body is communicated with a second thermometer for measuring the temperature of water in the tank body.
4. The vacuum pump cooling water tank for NVP synthesis as claimed in claim 3, wherein the tank body is further communicated with a liquid level meter, and the liquid level meter is used for observing the liquid level of water in the tank body.
5. The vacuum pump cooling water tank for NVP synthesis as claimed in claim 1, wherein the water outlet is communicated with the tank body through a water filter.
6. The vacuum pump cooling water tank for NVP synthesis as claimed in claim 3, wherein a pressure relief valve is further communicated with the upper portion of the tank body.
7. The vacuum pump cooling water tank for NVP synthesis as claimed in claim 1, wherein the top cover is further communicated with a manhole.
8. The vacuum pump cooling water tank for NVP synthesis as claimed in claim 1, wherein the top cover is further communicated with a water replenishing port.
9. The vacuum pump cooling water tank for NVP synthesis as claimed in claim 5, wherein the water filter comprises a first communicating pipe and a second communicating pipe connected with the first communicating pipe in parallel, the second communicating pipe is provided with a filter element, the first communicating pipe is provided with a bypass valve, the water outlet is communicated with a water inlet pipe of the vacuum pump, an inlet of the first communicating pipe is communicated with the tank body, and an outlet of the first communicating pipe is communicated with the water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120111737.6U CN214274072U (en) | 2021-01-15 | 2021-01-15 | Vacuum pump cooling water tank for NVP synthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120111737.6U CN214274072U (en) | 2021-01-15 | 2021-01-15 | Vacuum pump cooling water tank for NVP synthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214274072U true CN214274072U (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120111737.6U Active CN214274072U (en) | 2021-01-15 | 2021-01-15 | Vacuum pump cooling water tank for NVP synthesis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214274072U (en) |
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2021
- 2021-01-15 CN CN202120111737.6U patent/CN214274072U/en active Active
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