CN214693384U - Picoline effluent disposal system - Google Patents
Picoline effluent disposal system Download PDFInfo
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- CN214693384U CN214693384U CN202120660577.0U CN202120660577U CN214693384U CN 214693384 U CN214693384 U CN 214693384U CN 202120660577 U CN202120660577 U CN 202120660577U CN 214693384 U CN214693384 U CN 214693384U
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- water
- vacuum pump
- ring vacuum
- heat exchanger
- vapor separator
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a picoline waste water treatment system, which comprises a vacuum buffer tank, a water ring vacuum pump, a water-vapor separator, a water tank and a heat exchanger, wherein the water ring vacuum pump, the water-vapor separator, the water tank and the heat exchanger are sequentially connected in a closed manner; the utility model discloses a water ring vacuum pump, water vapor separator, water pitcher and heat exchanger form the return circuit of closed circulation for noncondensable gas in the water ring vacuum pump and water contact and the water that will produce the high temperature are cooled down through the heat exchanger, make it flow back and continue to carry out the heat exchange with noncondensable gas in the water ring vacuum pump, thereby reach the purpose to water cycle make full use of, water economy resource and manufacturing cost.
Description
Technical Field
The utility model relates to an industrial wastewater treatment technical field especially relates to a picoline effluent disposal system.
Background
In the pyridine alkali production process, the boiling point difference between the byproduct 3-methylpyridine and 4-methylpyridine is 0.9 ℃, the byproduct 3-methylpyridine and the byproduct 4-methylpyridine are difficult to separate, only high-efficiency multilayer packing is used for separation under negative pressure, the trimethyl continuous distillation tower is a negative pressure packing rectifying tower, because of negative pressure operation, a water ring vacuum pump is used for pumping negative pressure to the trimethyl continuous distillation tower, the water ring vacuum pump must be used for cooling by water and establishing a water ring under normal conditions, water is required to be supplemented all the time, waste gas passes through the water during vacuum pumping, the temperature of the water is increased by about 10 ℃ after the water is used, the COD and ammonia nitrogen content are high, certain pyridine odor is generated, the direct emission standard is not met, and the water is finally conveyed to an incinerator for incineration. However, the cost of waste water incineration is high, and the generated waste water is more, and at present, a better treatment mode is not provided for solving the problems of high cost and more generated waste water. In order to solve the problem, the utility model discloses a water ring vacuum pump, water vapor separator, water pitcher and heat exchanger form the return circuit of closed circulation for noncondensable gas in the water ring vacuum pump contacts with water and will produce the water of high temperature and cool down through the heat exchanger, make it flow back and continue to carry out the heat exchange with noncondensable gas in the water ring vacuum pump, thereby reach the purpose to water cycle make full use of, water economy resource and manufacturing cost's purpose.
Disclosure of Invention
The utility model aims at providing a picoline effluent disposal system reaches water economy resource and manufacturing cost's purpose.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a picoline effluent disposal system, includes vacuum buffer tank and closed water ring vacuum pump, water vapor separator, water pitcher and the heat exchanger of connecting in order, the vacuum buffer tank with water ring vacuum pump connection, water ring vacuum pump with between the water vapor separator, the water vapor separator with between the water pitcher, the water pitcher with between the heat exchanger, the heat exchanger with between the water ring vacuum pump, the vacuum buffer tank with all communicate through the pipeline between the water ring vacuum pump.
Preferably, a drain port for draining sewage and a liquid level meter for displaying a liquid level are installed on the water tank.
Preferably, the water ring vacuum pump is provided with a water replenishing pipe.
Preferably, the heat exchanger is a plate heat exchanger.
Preferably, the water-vapor separator is provided with an exhaust pipe.
Preferably, the pipelines are all provided with valves.
Preferably, the surface of the water-vapor separator is coated with antirust paint.
The utility model discloses for prior art gain following technological effect:
1. the utility model discloses a water ring vacuum pump, water vapor separator, water pitcher and heat exchanger form the return circuit of closed circulation for noncondensable gas in the water ring vacuum pump and water contact and the water that will produce the high temperature are cooled down through the heat exchanger, make it flow back and continue to carry out the heat exchange with noncondensable gas in the water ring vacuum pump, thereby reach the purpose to water cycle make full use of, water economy resource and manufacturing cost.
2. The utility model discloses install the drain that is used for excreteing sewage on the well water pitcher and be used for showing the level gauge of liquid level, the level gauge can show the water level height in the water pitcher in real time, guarantees that the water yield in the water pitcher can discharge unnecessary sewage through the drain under the prerequisite that satisfies water ring vacuum pump normal use to reach the water pitcher can not overload moving purpose.
3. The utility model discloses install the moisturizing pipe on the well water ring vacuum pump, this moisturizing pipe belongs to emergent moisturizing pipe, can be in the water pitcher water not enough satisfy under the normal moving condition of water ring vacuum pump, promptly carry out the moisturizing, avoid entering into the noncondensable gas in the water ring vacuum pump can't react with water and filter, lead to the problem that toxic gas directly discharges in the air, simultaneously, also avoided the water ring vacuum pump to take place idle running, cause the wasting of resources.
4. The utility model discloses the anticorrosive paint has been paintd on vapor separator surface, because vapor separator's effect includes the higher gas of exhaust temperature, consequently, when meetting the air, inevitable can produce liquid and drop to vapor separator on and cause the corruption to vapor separator's surface, paint anticorrosive paint on vapor separator surface can effectually prevent that vapor separator from taking place the corrosion to prolong vapor separator's life.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
FIG. 1 is a schematic diagram of a picoline wastewater treatment system;
wherein, 1, a vacuum buffer tank; 2. a water ring vacuum pump; 3. a water-vapor separator; 4. a water tank; 5. a heat exchanger; 6. a water replenishing pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a picoline effluent disposal system reaches water economy resource and manufacturing cost's purpose.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, a picoline wastewater treatment system comprises a vacuum buffer tank 1, a water-ring vacuum pump 2, a water-vapor separator 3, a water tank 4 and a heat exchanger 5, wherein the vacuum buffer tank 1 is connected with the water-ring vacuum pump 2, the water-ring vacuum pump 2 is connected with the water-vapor separator 3, the water-vapor separator 3 is connected with the water tank 4, the water tank 4 is connected with the heat exchanger 5, the heat exchanger 5 is connected with the water-ring vacuum pump 2, and the vacuum buffer tank 1 is communicated with the water-ring vacuum pump 2 through pipelines; the utility model discloses a water ring vacuum pump 2, vapor separator 3, water pitcher 4 and heat exchanger 5 form the return circuit of closed circulation for noncondensable gas in water ring vacuum pump 2 contacts with water and will produce the water of high temperature and cool down through heat exchanger 5, make it flow back and continue to carry out the heat exchange with noncondensable gas in water ring vacuum pump 2, thereby reach the purpose to water cycle make full use of, water economy resource and manufacturing cost.
Further, a sewage discharge port for discharging sewage and a liquid level meter for displaying liquid level are arranged on the water tank 4; the liquid level meter can display the water level height in the water tank 4 in real time, and ensure that the water quantity in the water tank 4 can discharge redundant sewage through a sewage discharge outlet on the premise of meeting the normal use of the water ring vacuum pump 2, thereby achieving the purpose that the water tank 4 cannot run in an overload mode.
Referring to fig. 1, install moisturizing pipe 6 on water ring vacuum pump 2, this moisturizing pipe 6 belongs to emergent moisturizing pipe 6, can be in the water pitcher 4 water be not enough satisfy under the water ring vacuum pump 2 normal operating's the condition, promptly carry out the moisturizing, the noncondensable gas of avoiding entering into in the water ring vacuum pump 2 can't react with water and filter, lead to the problem of toxic gas direct discharge in the air, simultaneously, also avoided water ring vacuum pump 2 to take place idle running, cause the wasting of resources. (ii) a
Furthermore, the heat exchanger 5 is a plate heat exchanger, and the heat exchange efficiency of the plate heat exchanger is 2-4 times higher than that of a traditional tube heat exchanger, so that the heat exchange efficiency of water is accelerated, and the treatment efficiency of the waste gas containing the picoline is further improved.
Referring to fig. 1, a steam separator 3 is provided with an exhaust pipe for discharging noncondensable gas after reaction with water.
Further, the surface of the water-vapor separator 3 is coated with antirust paint, and the function of the water-vapor separator 3 includes exhausting gas with higher temperature, so that when encountering air, liquid is inevitably generated and falls onto the water-vapor separator 3 to corrode the surface of the water-vapor separator 3, and the antirust paint coated on the surface of the water-vapor separator 3 can effectively prevent the water-vapor separator 3 from being corroded, thereby prolonging the service life of the water-vapor separator 3.
The working principle of the utility model is as follows:
when the water ring vacuum pump 2 is operated, non-condensable gas enters an inlet of the water ring vacuum pump 2 from the vacuum buffer tank 1, a steam-water mixture enters the steam separator 3 from an outlet of the water ring vacuum pump 2, the non-condensable gas is discharged from an outlet at the upper part of the steam separator 3, water enters the water tank 4 from the bottom of the steam separator 3, water in the water tank 4 enters the heat exchanger 5 under the negative pressure of the water ring vacuum pump 2, the heat exchanger 5 exchanges heat with chilled water to cool the return water of the vacuum pump 2, and the cooled water enters a water inlet of the water ring vacuum pump 2, so that the water is automatically recycled; when the water is not enough to support the normal operation of the water ring vacuum pump 2, water is added through the water supplementing pipe 6, so that the normal operation of the water ring vacuum pump 2 is ensured; when the water in the water tank is excessive, a part of the water can be discharged through the sewage discharge port of the water tank 4.
The adaptability that carries out according to actual demand all is in the protection scope of the utility model.
It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The methyl pyridine wastewater treatment system is characterized by comprising a vacuum buffer tank, a water ring vacuum pump, a water-vapor separator, a water tank and a heat exchanger, wherein the water ring vacuum pump, the water-vapor separator, the water tank and the heat exchanger are sequentially connected in a closed manner, the vacuum buffer tank is connected with the water ring vacuum pump, the water ring vacuum pump is connected with the water-vapor separator, the water-vapor separator is connected with the water tank, the water tank is connected with the heat exchanger, the heat exchanger is connected with the water ring vacuum pump, and the vacuum buffer tank is communicated with the water ring vacuum pump through pipelines.
2. The picoline wastewater treatment system of claim 1 wherein the water tank is equipped with a drain for draining wastewater and a level gauge for indicating the level.
3. The picoline waste water treatment system as recited in claim 1, wherein the water ring vacuum pump is provided with a water replenishing pipe.
4. The picoline waste water treatment system of claim 1 wherein the heat exchanger is a plate heat exchanger.
5. The picoline wastewater treatment system of claim 1 wherein the water-vapor separator is fitted with a vent.
6. The picoline based wastewater treatment system of claim 1 wherein each of the conduits has a valve mounted thereon.
7. The picoline waste water treatment system as recited in claim 1, wherein the surface of the water-vapor separator is coated with an anti-rust paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120660577.0U CN214693384U (en) | 2021-03-31 | 2021-03-31 | Picoline effluent disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120660577.0U CN214693384U (en) | 2021-03-31 | 2021-03-31 | Picoline effluent disposal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214693384U true CN214693384U (en) | 2021-11-12 |
Family
ID=78528189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120660577.0U Active CN214693384U (en) | 2021-03-31 | 2021-03-31 | Picoline effluent disposal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214693384U (en) |
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2021
- 2021-03-31 CN CN202120660577.0U patent/CN214693384U/en active Active
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