CN214167668U

CN214167668U - Ammonia still is used in ethanolamine preparation

Info

Publication number: CN214167668U
Application number: CN202022446652.1U
Authority: CN
Inventors: 王建新
Original assignee: Jiaxing Jinyan Chemical Co ltd
Current assignee: Jiaxing Jinyan Chemical Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-09-10
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses an ammonia still is used in ethanolamine preparation belongs to ammonia still technical field, ammonia still is used in ethanolamine preparation includes the tower base, the tower body is installed to the tower base upper end, tower body upper end left side fixedly connected with backup pad A, and tower body upper end right side fixedly connected with backup pad B, solar cell panel is installed to backup pad A and backup pad B upper end, and backup pad A left side wall installs dc-to-ac converter, battery and charge controller, solar cell panel carries out electric connection with the dc-to-ac converter, the dc-to-ac converter carries out electric connection with the battery. The utility model discloses an increase there is solar energy power generation system, convert solar energy into electric energy deposit by solar panel and hold the battery again, the battery supplies power to the heating wire, changes the electric energy into heat energy and carries out the conduction heating through upper end heat conduction aluminum plate, forms inside vapor flows into ammonia still through the pipe, and the feature of environmental protection is better, is fit for being extensively promoted and used.

Description

Ammonia still is used in ethanolamine preparation

Technical Field

The utility model relates to an ammonia still technical field especially relates to an ethanolamine preparation is with ammonia still.

Background

The ammonia still is an operation device which is subordinate to the desorption tower and volatilizes and releases ammonia dissolved in circulating water through heat transfer of a heat carrier. The working principle is as follows: the method adopts general heat carrier steam as a heating agent, so that the equilibrium steam pressure of ammonia on the liquid level of circulating water is greater than the partial pressure of ammonia in a heat carrier, and the vapor-liquid two phases are in countercurrent contact to carry out mass transfer and heat transfer, so that the ammonia is gradually released from the circulating water, a mixture of the ammonia steam and the steam is obtained at the tower top, and purer circulating water is obtained at the tower bottom. In general, the purpose of the alkali source is to convert the fixed ammonium salt into a volatile ammonium salt.

Patent number CN103626244A discloses an ammonia still, including the barrel, be equipped with the tower tray along the axis direction in the barrel, the top of barrel is equipped with ammonia vapour dephlegmator, and ammonia vapour dephlegmator's top is equipped with discharge valve, and the lateral part of barrel is equipped with the ammonia still entry, and the bottom of barrel is equipped with the ammonia still waste water export, the surface of barrel is equipped with the heat preservation lock ring along the axis direction interval. According to the technical scheme, the heat-insulating support ring is arranged outside the barrel body of the ammonia still, so that the heat loss in the barrel body is reduced, and the heat in the barrel body is derived from steam, so that the using amount of the steam is reduced, and the treatment capacity of discharged wastewater is reduced; the production cost is reduced.

At present, the ammonia still has certain technical defects: 1. the prior ammonia still consumes a large amount of energy in the process of producing steam, and has poor environmental protection; 2. the prior ammonia still can pollute the external environment to a certain extent when discharging waste water, and if the ammonia still is separated by a distillation method, a large amount of energy is consumed, and the cost is high. For this reason, we propose an ammonia still for ethanolamine production.

SUMMERY OF THE UTILITY MODEL

The utility model provides an ethanolamine preparation is with ammonia still has solar energy power generation system through increasing, converts solar energy light energy to electric energy deposit rechargeable battery by solar panel, and the battery supplies power to the heating wire, converts the electric energy into heat energy and carries out the conduction heating through upper end heat conduction aluminum plate, forms inside vapor flows in ammonia still through the pipe, and the feature of environmental protection is better, can effectively solve the problem in the background art.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of ammonia still is used in ethanolamine preparation, including the tower base, the tower body is installed to the tower base upper end, tower body upper end left side fixedly connected with backup pad A, and tower body upper end right side fixedly connected with backup pad B, solar cell panel is installed to backup pad A and backup pad B upper end, and backup pad A left side wall installs dc-to-ac converter, battery and charge controller, solar cell panel carries out electric connection with the dc-to-ac converter, the dc-to-ac converter carries out electric connection with the battery, battery signal output part is connected with charge controller signal input part, charge controller signal output part is connected with dc-to-ac converter signal input part, tower base right side fixedly connected with rose box, the grafting has the active carbon plate in the rose box upper end.

Optionally, the left side wall of the tower body is fixedly connected with a steam box.

Optionally, the steam box inner side wall is fixedly connected with a heat conduction aluminum plate.

Optionally, the heating pipe is installed to heat conduction aluminum plate lower extreme, heating pipe internally mounted has the heating wire.

Optionally, the upper end of the activated carbon plate is fixedly connected with a handle.

The utility model has the advantages as follows:

1. the utility model discloses practical, convenient operation and excellent in use effect, solar cell panel received light and shone, a part of photon is absorbed by silicon material, photon's energy transfer has been for silicon atom, make electron take place the transition, become free electron and gather in P-N knot both sides and form the potential difference, when external switch-on circuit, under the effect of this voltage, will have the electric current to flow external circuit and produce certain output, and direct current electric energy is changed into frequency modulation voltage regulation alternating current through the dc-to-ac converter, charge controller passes through signal control protection battery, prevent the automatic charge-discharge control device of overcharge and installation in most solar power system, cut off charging current when the battery, the electric energy of conversion finally saves in the battery, the battery supplies power to the heating wire, convert the electric energy into heat energy and carry out conduction heating through upper end heat conduction aluminum plate, the water vapor is formed to flow into the ammonia still through the conduit, the heat-carrying agent water vapor is used as a heating agent, the balance vapor pressure of the ammonia on the circulating water liquid level is larger than the partial pressure of the ammonia in the heat-carrying agent, the vapor-liquid two phases are in countercurrent contact to carry out mass transfer and heat transfer, so that the ammonia is gradually released from the circulating water, the mixture of the ammonia vapor and the water vapor is obtained at the tower top, and the problems that the ammonia still consumes a large amount of energy in the process of manufacturing the water vapor and the environmental protection performance is poor in the prior art are solved.

2. The utility model discloses in, remaining waste water in the tower body passes through in the pipe inflow filter box, adsorbs through the active carbon board in the filter box and filters, finally discharges again, simple structure, low cost effectively reduces and discharges the pollution, and the active carbon board conveniently takes out the clearance, and is repeated suitable for, can produce the pollution of certain degree to the external environment when having solved ammonia still discharge waste water in the past, if adopt the distillation separation then can consume a large amount of energy, the higher problem of cost.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of 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 creative efforts.

FIG. 1 is a schematic diagram of the overall structure of an ammonia still for ethanolamine production according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a steam box of an ammonia still for ethanolamine production according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a filter box of an ammonia still for ethanolamine preparation according to an embodiment of the present invention;

in the figure: 1. a tower base; 2. a tower body; 3. a support plate A; 4. a support plate B; 5. a solar panel; 6. an inverter; 7. a storage battery; 8. a charge controller; 9. a steam box; 10. a filter box; 11. a heat conducting aluminum plate; 12. heating a tube; 13. an electric heating wire; 14. an activated carbon plate; 15. a handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

An ammonia still for ethanolamine production according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

As shown in figures 1-3, an ammonia distillation tower for preparing ethanolamine comprises a tower base 1, a tower body 2 is arranged at the upper end of the tower base 1, a support plate A3 is fixedly connected to the left side of the upper end of the tower body 2, and the right side of the upper end of the tower body 2 is fixedly connected with a supporting plate B4, the upper ends of the supporting plate A3 and the supporting plate B4 are provided with a solar panel 5, and the left side wall of the supporting plate A3 is provided with an inverter 6, a storage battery 7 and a charging controller 8, the solar panel 5 is electrically connected with the inverter 6, the inverter 6 is electrically connected with a storage battery 7, the signal output end of the storage battery 7 is connected with the signal input end of a charge controller 8, the signal output end of the charging controller 8 is connected with the signal input end of the inverter 6, the right side of the tower base 1 is fixedly connected with a filter box 10, and an activated carbon plate 14 is inserted into the upper end of the filter box 10.

In this embodiment, as shown in fig. 1-3, the solar cell panel 5 receives light irradiation, a part of photons are absorbed by the silicon material, the energy of the photons is transferred to the silicon atoms, so that electrons jump to form free electrons and gather at two sides of the P-N junction to form a potential difference, when the circuit is switched on externally, under the action of the voltage, current flows through the external circuit to generate a certain output power, the dc electric energy is converted into frequency-modulated voltage-regulated ac electric energy through the inverter 6, the charging controller 8 controls the protection of the storage battery 7 through signals, prevents overcharge, and automatically charges and discharges control devices installed in most solar power generation systems, when the storage battery 7 is full, the charging current is cut off, the converted electric energy is finally stored in the storage battery 7, the storage battery 7 supplies power to the electric heating wire 13, the electric energy is converted into heat energy and is conductively heated through the upper end heat conducting aluminum, steam is formed to flow into the ammonia still through a conduit, heat-carrying agent steam is used as a heating agent, so that the equilibrium steam pressure of ammonia on the circulating water liquid level is larger than the partial pressure of ammonia in a heat-carrying agent, and the steam-liquid two phases are in countercurrent contact to carry out mass transfer and heat transfer, so that the ammonia is gradually released from the circulating water, and a mixture of the ammonia steam and the steam is obtained at the tower top, thereby solving the problems that the prior ammonia still consumes a large amount of energy in the process of producing the steam and has poor environmental protection property; the residual wastewater in the tower body 2 flows into the filter box 10 through the guide pipe, is adsorbed and filtered through the activated carbon plate 14 in the filter box 10 and is finally discharged, the structure is simple, the cost is low, the discharge pollution is effectively reduced, the activated carbon plate 14 is convenient to take out and clean and is repeatedly applicable, and the problems that the conventional ammonia distillation tower can pollute the external environment to a certain extent when discharging the wastewater, and a large amount of energy is consumed if the distillation separation method is adopted and the cost is high are solved.

Wherein, the left side wall of the tower body 2 is fixedly connected with a steam box 9.

In this embodiment, as shown in fig. 2, a steam box 9 is used for heating water, and water vapor as a heating agent is fed to make the equilibrium vapor pressure of ammonia gas on the liquid level of the circulating water greater than the partial pressure of ammonia gas in the heat carrier, and the vapor-liquid two phases are in countercurrent contact to perform mass and heat transfer, so that ammonia gas is gradually released from the circulating water, and a mixture of ammonia vapor and water vapor is obtained at the tower top.

Wherein, steam box 9 inside wall fixedly connected with heat conduction aluminum plate 11.

In this embodiment, as shown in fig. 2, conduction heating is performed by the upper-end heat-conductive aluminum plate 11.

Wherein, a heating pipe 12 is installed at the lower end of the heat conducting aluminum plate 11, and a heating wire 13 is installed inside the heating pipe 12.

In this embodiment, as shown in fig. 2, the storage battery 7 supplies power to the heating wire 13 to convert electric energy into heat energy.

Wherein, the upper end of the active carbon plate 14 is fixedly connected with a handle 15.

In this embodiment, as shown in fig. 3, the handle 15 is pulled up, so that the activated carbon plate 14 is taken out for cleaning, and subsequent repeated use is facilitated.

It should be noted that, the utility model relates to an ammonia still for ethanolamine preparation, in operation, solar cell panel 5 receives light irradiation, a part of photons is absorbed by silicon material, photon energy is transferred to silicon atom, make electron jump, become free electron and gather in P-N junction both sides and form potential difference, when the external circuit is switched on, under the effect of this voltage, will have the electric current to flow through the external circuit and produce certain output power, and then change direct current electric energy into frequency modulation voltage regulation alternating current through inverter 6, charge controller 8 protects storage battery 7 through signal control, prevent overcharge and the automatic charge and discharge control device that installs in most solar power generation systems, cut off the charging current when storage battery 7 is full, the electric energy that converts finally saves in storage battery 7, storage battery 7 supplies power to heating wire 13, converting electric energy into heat energy, conducting and heating through the upper end heat conduction aluminum plate 11 to form water vapor, flowing into the ammonia still through a conduit, adopting heat-carrying agent water vapor as a heating agent to enable the equilibrium vapor pressure of ammonia on the circulating water liquid level to be larger than the partial pressure of ammonia in a heat carrier, and enabling the vapor phase and the liquid phase to be in countercurrent contact to carry out mass transfer and heat transfer, so that the ammonia is gradually released from the circulating water, and a mixture of the ammonia vapor and the water vapor is obtained at the tower top, thereby solving the problems that the previous ammonia still consumes a large amount of energy in the process of manufacturing the water vapor and is poor in environmental protection; the residual wastewater in the tower body 2 flows into the filter box 10 through the guide pipe, is adsorbed and filtered through the activated carbon plate 14 in the filter box 10 and is finally discharged, the structure is simple, the cost is low, the discharge pollution is effectively reduced, the activated carbon plate 14 is convenient to take out and clean and is repeatedly applicable, and the problems that the conventional ammonia distillation tower can pollute the external environment to a certain extent when discharging the wastewater, and a large amount of energy is consumed if the distillation separation method is adopted and the cost is high are solved.

The utility model discloses a tower base 1; a tower body 2; a support panel A3; a support plate B4; a solar panel 5; an inverter 6; a storage battery 7; a charge controller 8; a steam box 9; a filter box 10; a heat conductive aluminum plate 11; a heating pipe 12; an electric heating wire 13; an activated carbon plate 14; the handle 15 components are all standard or known to those skilled in the art and their construction and principle are known to those skilled in the art through technical manuals or through routine experimentation.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An ammonia distillation tower for preparing ethanolamine comprises a tower base (1) and is characterized in that a tower body (2) is installed at the upper end of the tower base (1), a supporting plate A (3) is fixedly connected to the left side of the upper end of the tower body (2), a supporting plate B (4) is fixedly connected to the right side of the upper end of the tower body (2), a solar cell panel (5) is installed at the upper ends of the supporting plate A (3) and the supporting plate B (4), an inverter (6), a storage battery (7) and a charging controller (8) are installed on the left side wall of the supporting plate A (3), the solar cell panel (5) is electrically connected with the inverter (6), the inverter (6) is electrically connected with the storage battery (7), the signal output end of the storage battery (7) is connected with the signal input end of the charging controller (8), the signal output end of the charging controller (8) is connected with the signal input end of the inverter (6), the right side of the tower seat (1) is fixedly connected with a filter box (10), and an activated carbon plate (14) is inserted into the upper end of the filter box (10).

2. The ammonia still for preparing ethanolamine according to claim 1, wherein a steam box (9) is fixedly connected to the left side wall of the tower body (2).

3. The ammonia still for preparing ethanolamine according to claim 2, wherein the inner side wall of the steam box (9) is fixedly connected with a heat-conducting aluminum plate (11).

4. The ammonia still for preparing ethanolamine according to claim 3, wherein the lower end of the heat conducting aluminum plate (11) is provided with a heating pipe (12), and the heating pipe (12) is internally provided with a heating wire (13).

5. The ammonia still for preparing ethanolamine according to claim 1, wherein a handle (15) is fixedly connected to the upper end of the activated carbon plate (14).