CN210215197U

CN210215197U - Refrigerating device for alkylation processing

Info

Publication number: CN210215197U
Application number: CN201921066555.0U
Authority: CN
Inventors: Tongfei Li; 李同飞; Tianxin Xie; 谢田新; Lihua Zhang; 张丽华
Original assignee: Dalian Menglian Petrochemical Co Ltd
Current assignee: Dalian Menglian Petrochemical Co Ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-03-31
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses a refrigeration device for alkylation processing, which comprises a bottom plate, wherein one side of the top of the bottom plate is fixedly provided with an deisobutanizer, a dehydrator, a flash tank, a lightness-removing tower, an alkaline washing tank and a reactor are all fixedly arranged at the top of the bottom plate, a plurality of heat-conducting plates are fixedly arranged at the outer side of the reactor, a flow guide pipe is inserted and connected in a water outlet at one side of the top of a water storage tank, one end of the flow guide pipe passes through each heat-conducting plate and is fixedly connected with a water inlet at the other side of the top of the water storage tank, the heat-conducting plate absorbs heat generated by alkylation reaction in the reactor by passing through the water storage tank and the flow guide pipe which passes through the heat-conducting plates, the heat is taken away by a water-cooling circulation mode to cool the reactor, and the device is, thereby accelerating the cooling speed of the reactor and improving the processing efficiency.

Description

Refrigerating device for alkylation processing

Technical Field

The utility model relates to a refrigerating plant, in particular to refrigerating plant is used in alkylation processing.

Background

Alkylation is a reaction process that utilizes addition or displacement reactions to introduce alkyl groups into organic molecules. Alkylation reaction is an important synthesis means and is widely applied to a plurality of chemical production processes. The alkylation reaction is an exothermic reaction, and in order to fully and maximally reduce the acid consumption and the occurrence of side reactions, the reaction temperature must be controlled in the processing process, and the operation needs to be completed by a related refrigerating device, while the existing refrigerating device for alkylation processing generally only uses compressed isobutane as a refrigerant to cool a reactor, so that the cooling speed is slow, and the processing efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a refrigerating plant is used in alkylation processing to solve the refrigerating plant that current alkylation processing that proposes in the above-mentioned background art was used, cooling rate is slow, problem that machining efficiency is low.

In order to achieve the above object, the utility model provides a following technical scheme: a refrigerating device for alkylation processing comprises a bottom plate, wherein an deisobutanizer is fixedly arranged on one side of the top of the bottom plate, the deisobutanizer is connected with an exhaust pipe and communicated with the inside of a dehydrator in an inserting mode through the top, the dehydrator is communicated with the inside of a flash tank in an inserting mode through an outlet pipe in one side, the flash tank is communicated with the inside of a light component removal tower in an inserting mode through the bottom, the light component removal tower is communicated with the inside of a refrigeration compressor through an air pipe in an inserting mode through one side, the refrigeration compressor is communicated with the inside of an alkaline washing tank through an air pipe in an inserting mode through an air outlet in one side, the alkaline washing tank is communicated with the inside of a reactor through an outlet pipe in an inserting mode through one side, air suction pumps are fixedly arranged at the joints of the outlet pipe, the dehydrator, the flash tank and the alkaline washing tank, and the, the fixed a plurality of heat-conducting plates that are equipped with in the outside of reactor, the fixed storage water tank that is equipped with of top opposite side of bottom plate, it is connected with the honeycomb duct to alternate in the delivery port of storage water tank top one side, the one end of honeycomb duct pass every heat-conducting plate and with the water inlet fixed connection of storage water tank top opposite side, the fixed suction pump that is equipped with in delivery port junction of honeycomb duct and storage water tank top one side.

As an optimized technical scheme of the utility model, the trachea fixedly connected with propane holding vessel through alternate connection in the gas outlet at top of the lightness-removing column.

As an optimal technical scheme of the utility model, the inside of alkali wash jar is equipped with the agitator, the one end of agitator is passed and is washed alkali jar top inner wall intermediate layer and inlay the output shaft fixed connection who establishes with gear motor, gear motor fixed mounting is in the top of alkali wash jar.

As a preferred technical solution of the present invention, the inside of the flash tank is filled with a circulating refrigerant.

As an optimal technical scheme of the utility model, the fixed flush tank switch that is equipped with in front one side of bottom plate, flush tank switch, gear motor switch and suction pump switch are equipped with to flush tank switch, suction pump switch, refrigeration compressor switch, switch and suction pump switch to switch panel's fixed surface, the dehydrator passes through the dehydrator switch, and the suction pump passes through suction pump switch, refrigeration compressor through refrigeration compressor switch, flash tank through flash tank switch, gear motor passes through gear motor switch and the suction pump passes through the suction pump switch all with external power electric connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a refrigerating plant is used in alkylation processing, through being provided with storage water tank and honeycomb duct, and the honeycomb duct passes the heat-conducting plate that sets up on the reactor surface, the heat-conducting plate absorbs the heat that the alkylation reaction produced in the reactor, then take away the heat through water-cooling endless mode, cool down to the reactor, the device has added water-cooling circulating device again on the basis of compression isobutane as the refrigerant, thereby can accelerate the cooling rate of reactor, and the machining efficiency is improved, in addition, through being provided with the lightness-removing tower, can effectively separate out the light component gaseous phase (propane) in the isobutane, avoid reducing the output of refrigerant, through being provided with the caustic wash tower, can absorb the acid gas in the isobutane, avoid influencing the normal reaction of alkylation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the internal structure of the heat-conducting plate of the present invention.

In the figure: 1. a base plate; 2. an isobutane removal tower; 3. an exhaust pipe; 4. a dehydrator; 5. a flash tank; 6. an air outlet pipe; 7. a light component removal tower; 8. a propane storage tank; 9. a refrigeration compressor; 10. an alkaline washing tank; 11. a reduction motor; 12. a stirrer; 13. a reactor; 14. a heat conducting plate; 15. a flow guide pipe; 16. a water pump; 17. a water storage tank; 18. an air pump; 19. a switch panel.

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.

Referring to fig. 1-2, the present invention provides a refrigeration device for alkylation processing, which comprises a bottom plate 1, wherein one side of the top of the bottom plate 1 is fixedly provided with an deisobutanizer 2, the deisobutanizer 2 is communicated with the interior of a dehydrator 4 through an exhaust pipe 3 which is alternately connected with the top, the dehydrator 4 is communicated with the interior of a flash tank 5 through an outlet pipe 6 which is alternately connected with one side, the flash tank 5 is communicated with the interior of a light component removal tower 7 through an outlet pipe which is alternately connected with one side, the light component removal tower 7 is communicated with the interior of a refrigeration compressor 9 through an air pipe which is alternately connected with one side, the refrigeration compressor 9 is communicated with the interior of an alkaline washing tank 10 through an air pipe which is alternately connected with one side air outlet, the alkaline washing tank 10 is communicated with the interior of a reactor 13 through an outlet pipe 6 which is alternately connected with one side, and the joints, dehydrator 4, flash tank 5, lightness-removing tower 7, the equal fixed mounting in bottom plate 1's top of alkali wash jar 10 and reactor 13, reactor 13's the fixed a plurality of heat-conducting plates 14 that are equipped with in outside, the fixed storage water tank 17 that is equipped with of bottom plate 1's top opposite side, it is connected with honeycomb duct 15 to alternate in the delivery port of storage water tank 17 top one side, honeycomb duct 15's one end pass every heat-conducting plate 14 and with the water inlet fixed connection of storage water tank 17 top opposite side, honeycomb duct 15 is fixed with suction pump 16 with the delivery port junction of storage water tank 17 top one.

Preferably, a propane storage tank 8 is fixedly connected to an air outlet at the top of the light component removal tower 7 through an air pipe which is connected in a penetrating manner, and light component gas-phase propane in isobutane can directly flow into the propane storage tank 8 from the air pipe at the top of the light component removal tower 7 to be stored.

Preferably, the inside of the alkaline washing tank 10 is provided with a stirrer 12, one end of the stirrer 12 penetrates through a bearing embedded in an interlayer on the inner wall of the top of the alkaline washing tank 10 and is fixedly connected with an output shaft of a speed reduction motor 11, the speed reduction motor 11 is fixedly installed on the top of the alkaline washing tank 10, the speed reduction motor 11 drives the stirrer 12 to rotate in operation, mixed liquid is stirred, and the reaction rate of acid gas and alkaline liquor in the gas is accelerated.

Preferably, the inside of the flash tank 5 is filled with a circulating refrigerant, isobutane is pumped into the flash tank 5 through the outlet pipe 6, and is mixed with the circulating refrigerant in the flash tank 5 to generate a preliminary refrigerating agent.

Preferably, a switch panel 19 is fixedly arranged on one side of the front surface of the bottom plate 1, a dehydrator switch, an air pump switch, a refrigeration compressor switch, a flash tank switch, a speed reduction motor switch and a water pump switch are fixedly arranged on the surface of the switch panel 19, the dehydrator 4 is electrically connected with an external power supply through the dehydrator switch, the air pump 18 is electrically connected with the air pump switch, the refrigeration compressor 9 is electrically connected with the refrigeration compressor switch, the flash tank 5 is electrically connected with the flash tank switch, the speed reduction motor 11 is electrically connected with the speed reduction motor switch and the water pump 16 is electrically connected with the water pump.

When in use, the utility model relates to a refrigerating plant for alkylation processing, during the use, can let in the isobutane raw materials in deisobutanizer 2 earlier, by deisobutanizer 2 work with isobutane separation and let in to dehydrator 4 through blast pipe 3, the dehydrator switch is opened this moment, dehydrator 4 work is after the moisture in the isobutane separation, open the aspiration pump switch, aspiration pump 18 moves and draws isobutane to flash tank 5 through outlet duct 6 in, and mix with the circulating refrigerant in flash tank 5, produce preliminary refrigeration original agent, the flash tank switch is opened this moment, flash tank 5 work separates the gas in the original agent, then let in to lightness-removing tower 7 through outlet duct 6, after the gas gets into lightness-removing tower 7, its inside light component gaseous phase (propane) can directly flow into to propane holding vessel 8 by the trachea at the top of lightness-removing tower 7 and store, the heavy component gas phase (isobutane) is introduced into the refrigeration compressor 9 through the vent pipe, at the moment, a switch of the refrigeration compressor is turned on, the refrigeration compressor 9 compresses gas to generate cooled isobutane gas, the cooled isobutane gas enters the alkaline washing tank 10 through the vent pipe to be mixed with alkali liquor in the alkaline washing tank, at the moment, a switch of the speed reducing motor is turned on, the speed reducing motor 11 operates to drive the stirrer 12 to rotate, the mixed liquid is stirred, the reaction rate of acid gas and alkali liquor in the gas is accelerated, after the neutralization reaction is finished, the cooled isobutane gas enters the reactor 13 through the gas outlet pipe 6 to cool the interior of the reactor 13, at the moment, a switch of the water suction pump can be turned on, the water suction pump 16 operates to pump out cooling liquid in the water storage tank 17 and circularly flows in the heat conducting plate 14 through the flow guide pipe 15, and the heat conducting plate 14 absorbs heat generated in the, therefore, the heat can be taken away in a water-cooling circulation mode, and the water-cooling circulation device is added on the basis of compressing isobutane as a refrigerant, so that the cooling speed of the reactor can be increased, and the processing efficiency is improved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a refrigerating plant is used in alkylation processing, includes bottom plate (1), its characterized in that, the fixed deisobutanizer (2) that is equipped with in top one side of bottom plate (1), deisobutanizer (2) are connected with the inside intercommunication of blast pipe (3) and dehydrator (4) through the top interlude, the inside intercommunication of outlet duct (6) and flash tank (5) that dehydrator (4) were connected through one side interlude, flash tank (5) are through the inside intercommunication of outlet duct (6) and lightness-removing tower (7) that one side bottom interlude is connected, the inside intercommunication of breather pipe and refrigeration compressor (9) of lightness-removing tower (7) through one side interlude connection, the inside intercommunication of breather pipe and alkali wash jar (10) of refrigeration compressor (9) through one side gas outlet department interlude connection, alkali wash jar (10) are through the inside intercommunication of outlet duct (6) and reactor (13) that one side interlude is connected, the utility model discloses a solar water heater, including bottom plate (1), outlet duct (6), dehydrator (4), flash tank (5), the junction of alkali wash jar (10) is all fixed and is equipped with aspiration pump (18), dehydrator (4), flash tank (5), lightness-removing tower (7), alkali wash jar (10) and the equal fixed mounting in the top of bottom plate (1) of reactor (13), the outside of reactor (13) is fixed and is equipped with a plurality of heat-conducting plates (14), the fixed storage water tank (17) that is equipped with of top opposite side of bottom plate (1), it is connected with honeycomb duct (15) to alternate in the delivery port of storage water tank (17) top one side, the one end of honeycomb duct (15) pass every heat-conducting plate (14) and with the water inlet fixed connection of storage water tank (17) top opposite side, honeycomb duct (15) are fixed with suction pump (16) with the.

2. A refrigeration unit for alkylation processing according to claim 1, wherein: and a propane storage tank (8) is fixedly connected in an air outlet at the top of the light component removal tower (7) through an air pipe which is connected in an inserting manner.

3. A refrigeration unit for alkylation processing according to claim 1, wherein: the inside of alkali wash jar (10) is equipped with agitator (12), the bearing that the inlayer was established to the one end of agitator (12) passes alkali wash jar (10) top inner wall intermediate layer and is connected with gear motor's (11) output shaft fixed connection, gear motor (11) fixed mounting is in the top of alkali wash jar (10).

4. A refrigeration unit for alkylation processing according to claim 1, wherein: the inside of the flash tank (5) is filled with a circulating refrigerant.

5. A refrigeration unit for alkylation processing according to claim 3, wherein: the fixed flush mounting plate that is equipped with in front one side of bottom plate (1) (19), the fixed surface of flush mounting plate (19) is equipped with dehydrator switch, aspiration pump switch, refrigeration compressor switch, flash tank switch, gear motor switch and suction pump switch, dehydrator (4) are through dehydrator switch, suction pump (18) through the suction pump switch, refrigeration compressor (9) through the refrigeration compressor switch, flash tank (5) through flash tank switch, gear motor (11) through gear motor switch and suction pump (16) through the suction pump switch all with external power electric connection.