CN210097628U - Anti-reverse suction type recovery tank - Google Patents
Anti-reverse suction type recovery tank Download PDFInfo
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- CN210097628U CN210097628U CN201920677758.7U CN201920677758U CN210097628U CN 210097628 U CN210097628 U CN 210097628U CN 201920677758 U CN201920677758 U CN 201920677758U CN 210097628 U CN210097628 U CN 210097628U
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Abstract
The utility model discloses a suck-back prevention type recovery tank, which comprises a tank body, a lower pipeline of a gas-liquid pipe, a condenser air inlet valve, an atmosphere valve, a tank body discharge pipe, a vacuum pumping system, a gas-liquid pipe, an atmosphere pipe and a discharge pipe switch valve; one side of the upper end of the tank body is connected with a gas-liquid pipe, the upper end of the gas-liquid pipe is connected with a vacuumizing system, the lower end of the gas-liquid pipe is connected with an air inlet valve of a condenser, the gas-liquid pipe is connected with a pipeline below the gas-liquid pipe through a flange opening on the tank body, the other side of the upper end of the tank body is connected with a large gas pipe, the lower end of the tank; the utility model is connected with the pipeline of the tank body through the extended condenser and is used as the lower pipeline of the gas-liquid pipe; let the cell body contain partial solution liquid seal gas-liquid pipe lower pipeline before production, prevent that the atmosphere from scurrying into vacuum system, and condenser to the total pipeline vertical height of cell body guarantees that atmospheric pressure can not advance reation kettle and condenser with water pressure to guarantee that reation kettle can normally go on, improved production efficiency.
Description
Technical Field
The utility model relates to a chemical industry groove jar technical field, in particular to prevent suck-back formula accumulator tank.
Background
In the production process of the amino resin, the water and the redundant raw material, namely methanol, are separated by evaporation through the difference of the boiling points of the materials in a negative pressure environment, and the quality of the product is directly influenced by the amount of dehydration or dealcoholization. The negative pressure of the reaction kettle influences the value of the load cell, so the weight of the liquid removed is calculated by designing a groove body to collect the water and the alcohol removed. However, because the tank body is always connected with the atmosphere, the atmosphere can flow into the vacuum system when the reaction kettle is under negative pressure, thereby affecting the dehydration, dealcoholization, vacuum pumping and dehydration rates, and causing abnormal production process.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a can prevent that gas from scurrying into vacuum system, prevent the suck-back formula accumulator of liquid suck-back.
In order to solve the technical problem, the utility model discloses a technical scheme does:
a suck-back prevention type recovery tank comprises a tank body, a lower gas-liquid pipe pipeline, a condenser air inlet valve, an atmosphere valve, a tank body discharge pipe, a vacuum pumping system, a gas-liquid pipe, an atmosphere pipe and a discharge pipe switch valve; one side of cell body upper end is connected the gas-liquid pipe, gas-liquid pipe upper end is accepted vacuum pumping system, gas-liquid pipe lower extreme is connected the condenser admission valve, the gas-liquid pipe with pipe connection under the gas-liquid pipe, the opposite side of cell body upper end is connected the big trachea, the big trachea facial make-up is equipped with the atmosphere valve, the cell body lower extreme is installed the cell body delivery pipe, be connected with on the cell body delivery pipe the delivery pipe ooff valve.
As a preferred embodiment, the length of the lower gas-liquid pipe is 2.5 to 3 m.
As a preferred embodiment, the discharge pipe of the tank body is connected with a waste liquid diversion tank.
As a preferred embodiment, the vacuum evacuation system and the air inlet valve of the condenser, the gas-liquid pipe and the gas-liquid pipe lower pipeline, the gas-liquid pipe and the air inlet valve of the condenser, the atmospheric pipe and the groove body and the discharge pipe switch valve are tightly connected through flanges.
The utility model adopts the technical proposal, the condenser is connected with the pipeline of the tank body by being prolonged, and the pipeline is used as an atmospheric leg; let the cell body contain partial solution liquid seal gas-liquid pipe lower pipeline before production, prevent that the atmosphere from scurrying into vacuum system, and condenser to the total pipeline vertical height of cell body guarantees that atmospheric pressure can not advance reation kettle and condenser with water pressure to guarantee that reation kettle can normally go on, improved production efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure, 10-groove body, 20-gas-liquid pipe lower pipeline, 30-condenser air inlet valve, 40-atmosphere valve, 50-groove body discharge pipe, 60-vacuum-pumping system, 70-gas-liquid pipe, 80-atmosphere pipe, 90-discharge pipe switch valve and 100-waste liquid diversion groove.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, the anti-reverse suction type recovery tank comprises a tank body 10, a gas-liquid pipe lower pipeline 20, a condenser air inlet valve 30, an atmosphere valve 40, a tank body discharge pipe 50, a vacuum pumping system 60, a gas-liquid pipe 70, an atmosphere pipe 80 and a discharge pipe switch valve 90; one side of the upper end of the groove body 10 is connected with the gas-liquid pipe 70, the upper end of the gas-liquid pipe 70 is connected with the vacuumizing system 60, the lower end of the gas-liquid pipe 70 is connected with the condenser air inlet valve 30, the gas-liquid pipe 70 is connected with the gas-liquid pipe lower pipeline 20 through a flange opening in the groove body 10, the other side of the upper end of the groove body 10 is connected with the main gas pipe 80, the main gas pipe 80 is provided with an atmosphere valve 40, the lower end of the groove body 10 is provided with the groove body discharge pipe 50, and the discharge pipe switch.
In a preferred embodiment, gas-liquid tube lower conduit 20 has a length of 2.5 to 3m, and in this range, gas in tank 10 is effectively prevented from entering evacuation system 60 through gas-liquid tube 70.
As a preferred embodiment, the tank body discharge pipe is connected with a waste liquid diversion tank 100 for discharging the liquid entering from the gas-liquid pipe 70 and controlling the liquid level of the tank body 10 to avoid the liquid level in the tank body 10 from being too high.
In a preferred embodiment, the vacuum evacuation system 60 is tightly connected to the condenser inlet valve 30, the gas-liquid pipe 70 is tightly connected to the condenser inlet valve 30, the atmospheric pipe 80 is tightly connected to the tank 10, and the tank 10 is tightly connected to the exhaust pipe switch valve 90, so that the whole process is kept in a sealed state, and external air is prevented from entering and gas-liquid leakage in the tank 10 is prevented.
Before the reaction kettle is subjected to feeding reaction, a vacuumizing system 60 connected with the reaction kettle is started, air in the reaction kettle and a solvent for cleaning the reaction kettle are pumped into a groove body 10 by the vacuumizing system 60, a certain amount of solution is stored in the groove body 10 to carry out liquid sealing on a lower pipeline 20 of a gas-liquid pipe, an atmosphere pipe 80 connected to the other side of the upper end of the groove body 10 is communicated with outside air through an atmosphere valve 40, and the pressure in the groove body 10 is monitored and adjusted through the atmosphere valve 40 to be consistent with the outside; at this time, the pressure difference between the atmospheric pressure and the vacuum in the kettle can enable the liquid sealed in the liquid to be lifted in the lower gas-liquid pipe pipeline 20, the liquid in the tank body 10 seals the lower gas-liquid pipe pipeline 20 in the liquid, and gas in the tank body 10 is prevented from entering the vacuum-pumping system 60 through the gas-liquid pipe 70; the atmospheric valve 40 is connected to the atmospheric pipe 80 to monitor the air pressure change in the tank body 10, when the air pressure is reduced, the liquid level in the tank body 10 rises, the discharge pipe switch valve 90 at the bottom of the tank body is opened at the moment, and the liquid in the tank body 10 flows into the waste liquid shunting groove 100 to be shunted and collected.
The tank body 10 is always connected with the outside atmosphere through an atmospheric pipe 80, when the inside of the reaction kettle is negative pressure, water in the reaction kettle and redundant raw materials are evaporated and separated by utilizing the boiling point difference of the materials under the negative pressure environment, a condenser air inlet valve 30 on the gas-liquid pipe 70 is opened, the water and the redundant raw materials in the reaction kettle are pumped into the tank body 10 through the gas-liquid pipe 70, enter the tank body 10 through a gas-liquid pipe lower pipeline 20 under the action of pressure difference, are connected into a gas-liquid pipe lower pipeline 20 of the tank body 10 through an extended gas-liquid pipe 70 to serve as an atmospheric leg, meanwhile, the water and the redundant raw materials in the reaction kettle pass through the gas-liquid pipe lower pipeline 20 and enter the bottom of the tank body 10, gas rises to the liquid level from the bottom of the tank body 10, the atmospheric valve 40 is connected on the atmospheric pipe 80 to monitor the pressure change in the tank body 10, when the atmospheric pressure becomes small, the liquid level in, at this time, the discharge pipe switch valve 90 at the bottom of the tank body is opened, and the liquid in the tank body 10 flows into the waste liquid diversion channel 100 through the tank body discharge pipe 50 to be diverted and collected.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (4)
1. The utility model provides a prevent suck-back formula accumulator, its characterized in that: comprises a groove body, a lower pipeline of a gas-liquid pipe, a condenser air inlet valve, an atmosphere valve, a groove body discharge pipe, a vacuum pumping system, a gas-liquid pipe, an atmosphere pipe and a discharge pipe switch valve; one side of cell body upper end is connected the gas-liquid pipe, gas-liquid pipe upper end is accepted vacuum pumping system, gas-liquid pipe lower extreme is connected the condenser admission valve, the gas-liquid pipe with pipe connection under the gas-liquid pipe, the opposite side of cell body upper end is connected the big trachea, the big trachea facial make-up is equipped with the atmosphere valve, the cell body lower extreme is installed the cell body delivery pipe, be connected with on the cell body delivery pipe the delivery pipe ooff valve.
2. The anti-suck back recovery tank of claim 1, wherein: the length of the lower pipeline of the gas-liquid pipe is 2.5-3 m.
3. The anti-suck back recovery tank of claim 1, wherein: the tank body discharge pipe is connected with a waste liquid shunting groove.
4. The anti-suck back recovery tank of claim 1, wherein: the vacuum evacuation system is characterized in that the vacuum evacuation system is arranged between the vacuum evacuation system and an air inlet valve of the condenser, the gas-liquid pipe is arranged in a lower pipeline of the gas-liquid pipe, the gas-liquid pipe is arranged between the gas-liquid pipe and the air inlet valve of the condenser, and the gas pipe and the groove body and the discharge pipe switch valve are tightly connected through flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920677758.7U CN210097628U (en) | 2019-05-13 | 2019-05-13 | Anti-reverse suction type recovery tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920677758.7U CN210097628U (en) | 2019-05-13 | 2019-05-13 | Anti-reverse suction type recovery tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210097628U true CN210097628U (en) | 2020-02-21 |
Family
ID=69539379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920677758.7U Active CN210097628U (en) | 2019-05-13 | 2019-05-13 | Anti-reverse suction type recovery tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210097628U (en) |
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2019
- 2019-05-13 CN CN201920677758.7U patent/CN210097628U/en active Active
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