CN112546657A

CN112546657A - A preliminary distillation tower for producing 2,2, 4-trimethyl-3 hydroxypentanoic acid isobutyl ester

Info

Publication number: CN112546657A
Application number: CN202011257769.3A
Authority: CN
Inventors: 宋文国; 卢小松; 张世元
Original assignee: Runtai Chemical Taixing Co ltd
Current assignee: Runtai Chemical Taixing Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-03-26

Abstract

The invention relates to the field of a primary distillation tower, and discloses a primary distillation tower for producing 2,2, 4-trimethyl-3-hydroxyvaleric acid isobutyl ester. Be provided with the discharging pipe No. one through the one side surface at the primary steaming tower main part, the discharging pipe will hold the inslot and remain liquid and arrange into the cooling box internal cooling, convenient to use person collects and handles the incomplete night, opposite side through at the primary steaming tower main part sets up the conveying pipe, conveying pipe conveys unnecessary heat in with the primary steaming tower in to the heat energy conversion case, the water heating of heat pipe in with the water tank in the heat energy conversion case, be favorable to the unnecessary heat of conversion, do benefit to energy-concerving and environment-protective, through set up the ring pipe in the top of the tower, the ring pipe will hang the shower nozzle and hang in primary steaming tower main part upper end, be favorable to the primary steaming tower main part to accomplish after the primary steaming, hang the shower nozzle.

Description

A preliminary distillation tower for producing 2,2, 4-trimethyl-3 hydroxypentanoic acid isobutyl ester

Technical Field

The invention relates to the field of a primary distillation tower, in particular to a primary distillation tower for producing

isobutyl

2,2, 4-trimethyl-3-hydroxypentanoate.

Background

A primary distillation tower is used in the production process of the

isobutyl

2,2, 4-trimethyl-3-hydroxypentanoate, and is the first process for producing the

isobutyl

2,2, 4-trimethyl-3-hydroxypentanoate. But traditional preliminary distillation tower is in the use, surplus liquid in the tower can't either retrieve, or directly retrieve, when directly retrieving, the temperature is higher, it is very inconvenient to collect, if the cooling is retrieved, it is consuming time longer, secondly the preliminary distillation tower is when carrying out the preliminary distillation to liquid, can produce unnecessary heat, generally directly discharge to the atmosphere, not only the energy is wasted, can the polluted environment, last preliminary distillation tower does not possess belt cleaning device after using, inconvenient next use, for this reason, we propose a preliminary distillation tower for producing 2,2, 4-trimethyl-3 hydroxyl valeric acid isobutyl ester.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a primary distillation tower for producing 2,2, 4-trimethyl-3-isobutyl hydroxypentanoate, a discharge pipe is arranged on the outer surface of one side of a primary distillation tower main body, the discharge pipe discharges residual liquid in a material containing tank into a cooling tank for cooling, so that a user can conveniently collect and treat residual liquid, a transmission pipe is arranged on the other side of the primary distillation tower main body and transmits redundant heat in the primary distillation tower to a heat energy conversion tank, a heat conduction pipe in the heat energy conversion tank heats water in a water tank, the conversion of the redundant heat is facilitated, the energy conservation and the environmental protection are facilitated, and a ring pipe is arranged in the tower top and suspends a hanging nozzle at the upper end of the primary distillation tower main body, so that the hanging nozzle can flush the interior of the primary distillation tower main body in an all-directional manner after the primary distillation tower main body finishes primary distillation.

(II) technical scheme

In order to realize the purposes that the interior of the backpack main body can be rapidly and uniformly refrigerated, a cushion for a user to have a rest can be provided, and the sun can be shaded for the user, the invention provides the following technical scheme: a primary distillation tower for producing

isobutyl

2,2, 4-trimethyl-3-hydroxypentanoate comprises a primary distillation tower main body, wherein an inlet pipe, a first discharging pipe and a controller are arranged on the outer surface of the side end of the primary distillation tower main body, a first connecting pipe is arranged on the outer surface of the lower end of the first discharging pipe, a cooling box is arranged on the outer surface of the lower end of the first connecting pipe, a second discharging pipe is arranged on the outer surface of one side of the cooling box, the outer surface of the upper end of the primary distillation tower main body is provided with a tower top, a distillation pipe is arranged on the outer surface of the upper end of the tower top, a first water inlet pipe is arranged on the outer surface of one side of the tower top, a ring pipe is arranged on the outer surface of one end of the first water inlet pipe, a second connecting pipe is arranged on the outer surface, the one end surface of conveying pipe is provided with the pipe connection spare, one side surface of pipe connection spare is provided with the heat energy transfer case, the lower extreme surface of heat energy transfer case is provided with the water tank, the side surface of water tank is provided with inlet tube and outlet pipe No. two, the upper end surface of a discharging tube, No. two discharging tubes and outlet pipe all is provided with the control valve, the inboard surface of heat energy transfer case is provided with the heat pipe, the side surface of heat pipe is provided with the fixed plate.

Preferably, the fixed plate is respectively and fixedly connected with the heat energy conversion box, the water tank and the heat conduction pipes, the heat conduction pipes are fixedly connected with the heat energy conversion box, the number of the heat conduction pipes is a plurality of groups, and the heat conduction pipes are arranged in an array.

Preferably, the outer surface of the lower end of the water tank is provided with supporting legs, the number of the supporting legs is a plurality of groups, the supporting legs are arranged in an array mode, the second water inlet pipe and the second water outlet pipe are respectively and fixedly connected with the water tank, and the pipeline connecting piece is respectively and fixedly connected with the heat energy conversion box and the conveying pipe.

Preferably, one side surface of a discharging pipe is provided with flourishing silo, the lower extreme surface of flourishing silo is provided with the supporting leg, flourishing silo respectively with a discharging pipe and preliminary distillation tower main part fixed connection, be fixed connection between supporting leg and the flourishing silo, the quantity of supporting leg is a plurality of groups, the supporting leg is the array and arranges.

Preferably, be fixed connection between discharging pipe and the preliminary distillation tower main part, be swing joint between a connecting pipe and the discharging pipe, be fixed connection between a connecting pipe and the cooler bin, be fixed connection between No. two discharging pipes and the cooler bin.

Preferably, the control valve respectively with discharging pipe, No. two discharging pipes and outlet pipe fixed connection, the quantity of control valve is three groups, be fixed connection between controller and the preliminary distillation tower main part.

Preferably, be fixed connection between top of the tower and the primary distillation tower main part, the inside at the top of the tower is hollow structure, the distillation tube run through the top of the tower, and be fixed connection between the top of the tower, be fixed connection between inlet tube and the top of the tower.

Preferably, be fixed connection between inlet tube and the ring pipe, No. two connecting pipes respectively with the ring pipe with hang shower nozzle fixed connection, the quantity of No. two connecting pipes is a plurality of groups, No. two connecting pipes are the array and arrange, the quantity of hanging the shower nozzle is a plurality of groups, it is array arrangement to hang the shower nozzle.

(III) advantageous effects

Compared with the prior art, the invention provides a primary distillation tower for producing

isobutyl

2,2, 4-trimethyl-3-hydroxypentanoate, which has the following beneficial effects:

1. this a preliminary distillation tower for producing 2,2, 4-trimethyl-3 hydroxypentanoic acid isobutyl ester, through setting up a discharging pipe in one side of preliminary distillation tower main part, a discharging pipe runs through flourishing silo and preliminary distillation tower main part, be favorable to outside the preliminary distillation tower main part that will flourishing remaining liquid discharge in the silo after the preliminary distillation is accomplished to the preliminary distillation tower, and the lower extreme of a discharging pipe connects the cooler bin through a connecting pipe, after the cooling of flourishing silo interior remaining liquid process cooler bin, No. two discharging pipes on the rethread cooler bin are discharged, be favorable to preventing to remain liquid temperature too high and inconvenient the collection.

2. This a primary distillation tower for producing 2,2, 4-trimethyl-3 hydroxypentanoic acid isobutyl ester, set up the annular tube through the inboard hollow part at the top of the tower, hang the shower nozzle and pass through No. two connecting pipes and be connected with the annular tube, No. two connecting pipes run through top of the tower bottom, and will hang the shower nozzle and hang top of the tower primary distillation tower main part top, be favorable to accomplishing the primary distillation after the primary distillation tower, hang the shower nozzle and wash primary distillation tower main part inside from each angle blowout water, so that the primary distillation tower carries out the primary distillation next time, and through dismantling a connecting pipe from a discharging pipe, be favorable to discharging the waste water after wasing in the primary distillation tower main part.

3. This a primary distillation tower for producing 2,2, 4-trimethyl-3 hydroxy valeric acid isobutyl ester, through set up the conveying pipe in one side of primary distillation tower main part, the conveying pipe passes through pipe connection spare and heat energy transfer case fixed connection, the conveying pipe is located the lower extreme that holds the silo, be favorable to conveying the unnecessary heat of primary distillation tower main part to the heat energy transfer case in, the inboard surface of heat energy transfer case is provided with the heat pipe, and the lower extreme is provided with the water tank, the water tank fills with water through No. two inlet tubes, the heat pipe inserts the aquatic, unnecessary heat makes the heat pipe generate heat in the primary distillation tower, thereby be favorable to the heat pipe to heating the water in the water tank, be favorable to collecting unnecessary heat in the primary distillation tower.

Drawings

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

FIG. 2 is a side sectional view of the primary distillation tower body of the present invention;

FIG. 3 is a partial view of a knot of the present invention;

FIG. 4 is a partial side cross-sectional view of the structure of the present invention;

FIG. 5 is a view of the internal structure of the primary distillation tower body of the present invention;

fig. 6 is a view of the flushing structure of the gripper assembly of the present invention.

In the figure: 1. a primary distillation tower main body; 2. a feed pipe; 3. a first discharge pipe; 4. a first connecting pipe; 5. a cooling tank; 6. a second discharge pipe; 7. the tower top; 8. a distillation tube; 9. a first water inlet pipe; 10. an annular tube; 11. a second connecting pipe; 12. hanging the spray head; 13. a material containing groove; 14. supporting legs; 15. a controller; 16. a transfer tube; 17. a pipe connection; 18. a thermal energy conversion box; 19. a water tank; 20. a water outlet pipe; 21. a control valve; 22. supporting legs; 23. a heat conducting pipe; 24. a fixing plate; 25. a second water inlet pipe.

Detailed description of the invention

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a primary distillation tower for producing

isobutyl

2,2, 4-trimethyl-3-hydroxyvalerate comprises a primary distillation tower main body 1, wherein a feeding pipe 2, a first discharging pipe 3 and a controller 15 are arranged on the outer surface of the side end of the primary distillation tower main body 1, the first discharging pipe 3 is favorable for discharging residual liquid in a material containing groove 13, a first connecting pipe 4 is arranged on the outer surface of the lower end of the first discharging pipe 3, a cooling box 5 is arranged on the outer surface of the lower end of the first connecting pipe 4, a second discharging pipe 6 is arranged on the outer surface of one side of the cooling box 5, a tower top 7 is arranged on the outer surface of the upper end of the primary distillation tower main body 1, a distillation pipe 8 is arranged on the outer surface of the upper end of the tower top 7, a first water inlet pipe 9 is arranged on the outer surface of one end of the first water inlet pipe 9, the outer surface of the lower end of the second connecting pipe 11 is provided with a hanging nozzle 12, the hanging nozzle 12 is beneficial to washing the interior of the primary steaming tower main body 1 in an all-around way, the outer surface of one side of the primary steaming tower main body 1 is provided with a conveying pipe 16, the outer surface of one end of the conveying pipe 16 is provided with a pipeline connecting piece 17, the pipeline connecting piece 17 is beneficial to fixing the conveying pipe 16 on a heat energy conversion box 18, the outer surface of one side of the pipeline connecting piece 17 is provided with a heat energy conversion box 18, the outer surface of the lower end of the heat energy conversion box 18 is provided with a water tank 19, the outer surface of the side, the outer surfaces of the upper ends of the second discharging pipe 6 and the water outlet pipe 20 are both provided with a control valve 21, the outer surface of the inner side of the heat energy conversion box 18 is provided with a heat conduction pipe 23, the heat conduction pipe 23 is beneficial to converting the redundant heat in the primary steaming tower body 1 into water for heating, and the outer surface of the side end of the heat conduction pipe 23 is provided with a fixing plate 24.

The fixing plate 24 is respectively fixedly connected with the heat energy conversion box 18, the water tank 19 and the heat conduction pipes 23, the heat conduction pipes 23 are fixedly connected with the heat energy conversion box 18, the number of the heat conduction pipes 23 is a plurality of groups, the heat conduction pipes 23 are arranged in an array mode, the fixing plate 24 is favorable for fixing the heat conduction pipes 23, and the heat conduction pipes 23 are favorable for converting redundant heat in the primary evaporation tower main body 1 into water for heating.

Supporting legs 22 are arranged on the outer surface of the lower end of the water tank 19, the supporting legs 22 are in a plurality of groups, the supporting legs 22 are arranged in an array mode, a second water inlet pipe 25 and a second water outlet pipe 20 are fixedly connected with the water tank 19 respectively, the pipeline connecting piece 17 is fixedly connected with the heat energy conversion box 18 and the conveying pipe 16 respectively, the supporting legs 22 are beneficial to supporting the water tank 19 and the heat energy conversion box 18, and the pipeline connecting piece 17 is beneficial to fixing the conveying pipe 16 on the heat energy conversion box 18.

One side surface of discharging pipe 3 is provided with flourishing silo 13, the lower extreme surface of flourishing silo 13 is provided with supporting leg 14, flourishing silo 13 respectively with discharging pipe 3 and the 1 fixed connection of preliminary distillation tower main part, be fixed connection between supporting leg 14 and the flourishing silo 13, the quantity of supporting leg 14 is a plurality of groups, supporting leg 14 is the array and arranges, flourishing silo 13 is favorable to holding liquid to be favorable to liquid to carry out the preliminary distillation.

Be fixed connection between discharging pipe 3 and the preliminary distillation tower main part 1, be swing joint between connecting pipe 4 and discharging pipe 3, be fixed connection between connecting pipe 4 and the cooler bin 5, be fixed connection between No. two discharging pipes 6 and the cooler bin 5, discharging pipe has 3 to be favorable to emitting the interior remaining liquid of flourishing silo 13.

The control valves 21 are respectively and fixedly connected with the first discharge pipe 3, the second discharge pipe 6 and the water outlet pipe 20, the number of the control valves 21 is three, the controller 15 is fixedly connected with the primary steaming tower main body 1, and the controller 15 is convenient for controlling the hanging spray head 12 to spray water.

Be fixed connection between top of the tower 7 and the primary distillation tower main part 1, the inside of top of the tower 7 is hollow structure, and distillation tube 8 runs through top of the tower 7, and with be fixed connection between the top of the tower 7, be fixed connection between inlet tube 9 and the top of the tower 7, inlet tube 9 is favorable to connecting the water source.

Be fixed connection between inlet tube 9 and the ring pipe 10, No. two connecting pipes 11 respectively with ring pipe 10 with hang shower nozzle 12 fixed connection, No. two connecting pipes 11's quantity be a plurality of groups, No. two connecting pipes 11 are the array and arrange, the quantity of hanging shower nozzle 12 be a plurality of groups, hang shower nozzle 12 and be the array and arrange, hang shower nozzle 12 and be favorable to the all-round washing in to the primary steam tower main part 1.

When the primary steaming tower works, a user firstly pumps liquid needing primary steaming into the material containing groove 13 in the primary steaming tower main body 1, then heats the primary steaming tower main body 1, the liquid is subjected to primary steaming, steam is generated by heating the liquid at the moment, the steam enters the distillation pipe 8 and is collected, meanwhile, redundant heat generated by heating liquid in the tower enters the heat energy conversion box 18 through the conveying pipe 16, the heat conduction pipe 23 in the heat energy conversion box 18 transmits the heat to the water tank 19 to heat water in the water tank 19, the user takes hot water through the water outlet pipe 20, not only can the redundant heat in the tower be prevented from losing, but also cold water can be heated, energy is saved and the environment is protected, when the primary steaming tower main body 1 finishes primary steaming, the user discharges residual liquid in the material containing groove 13 through the discharging pipe 3, and the residual liquid enters the cooling box 5 through the discharging pipe 3 and the connecting pipe 4 to be cooled, after discharge from No. two discharging pipes 6 again and collect, it is after 5 cooling of cooler bin to remain liquid, convenient to use person collects the processing, it collects after accomplishing to remain liquid, take off a connecting pipe 4 from discharging pipe 3, later hang shower nozzle 12 water spray through controller 15 control, it carries out all-round injection to hanging shower nozzle 12 in the primary steam tower main part 1, be favorable to clearing up in the primary steam tower main part 1, waste water after the clearance is direct to discharge from discharging pipe 3, it is more convenient.

In summary, in the primary distillation tower for producing 2,2, 4-trimethyl-3-hydroxy isobutyl valerate, the first discharge pipe 3 is arranged on one side of the primary distillation tower main body 1, the first discharge pipe 3 penetrates through the material containing groove 13 and the primary distillation tower main body 1, so that liquid remaining in the material containing groove 13 after the primary distillation of the primary distillation tower main body 1 is discharged out of the primary distillation tower main body 1, the lower end of the first discharge pipe 3 is connected with the cooling box 5 through the first connecting pipe 4, and the liquid remaining in the material containing groove 13 is cooled by the cooling box 5 and then discharged through the second discharge pipe 6 on the cooling box 5, so that the situation that the residual liquid is inconvenient to collect due to overhigh temperature is prevented; the annular pipe 10 is arranged in the hollow part of the inner side of the tower top 7, the hanging nozzle 12 is connected with the annular pipe 10 through the second connecting pipe 11, the second connecting pipe 11 penetrates through the bottom of the tower top 7, and the hanging nozzle 12 is suspended above the primary steaming tower main body 1, so that after the primary steaming tower main body 1 finishes primary steaming, the hanging nozzle 12 sprays water from various angles to wash the interior of the primary steaming tower main body 1, the primary steaming tower main body 1 can be conveniently steamed for the next time, and the first connecting pipe 4 is detached from the first discharging pipe 3, so that waste water cleaned in the primary steaming tower main body 1 can be discharged; set up conveying pipe 16 through one side at primary steam tower main part 1, conveying pipe 16 passes through pipe connection 17 and 18 fixed connection of heat energy transfer box, conveying pipe 16 is located the lower extreme of flourishing silo 13, be favorable to conveying the unnecessary heat of primary steam tower main part 1 to heat energy transfer box 18, the inboard surface of heat energy transfer box 18 is provided with heat pipe 23, and the lower extreme is provided with water tank 19, water tank 19 fills up water through No. two inlet tubes 25, heat pipe 23 inserts the aquatic, unnecessary heat makes heat pipe 23 generate heat in the primary steam tower main part 1, thereby be favorable to heat pipe 23 to heating the water in the water tank 19, be favorable to collecting unnecessary heat in the primary steam tower main part 1, it is more environmental protection.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A primary distillation tower for producing isobutyl 2,2, 4-trimethyl-3-hydroxyvalerate, comprising a primary distillation tower body (1), characterized in that: the outer surface of the side end of the primary steaming tower body (1) is provided with an inlet pipe (2), a first discharging pipe (3) and a controller (15), the outer surface of the lower end of the first discharging pipe (3) is provided with a first connecting pipe (4), the outer surface of the lower end of the first connecting pipe (4) is provided with a cooling box (5), the outer surface of one side of the cooling box (5) is provided with a second discharging pipe (6), the outer surface of the upper end of the primary steaming tower body (1) is provided with a tower top (7), the outer surface of the upper end of the tower top (7) is provided with a distillation pipe (8), the outer surface of one side of the tower top (7) is provided with a first inlet pipe (9), the outer surface of one end of the first inlet pipe (9) is provided with a ring pipe (10), the outer surface of the lower end of the ring pipe (10) is provided with, the utility model discloses a heat energy conversion device, including a primary steam tower main part (1), one side surface of primary steam tower main part (1) is provided with conveying pipe (16), the one end surface of conveying pipe (16) is provided with pipe connection spare (17), one side surface of pipe connection spare (17) is provided with heat energy conversion case (18), the lower extreme surface of heat energy conversion case (18) is provided with water tank (19), the side surface of water tank (19) is provided with No. two inlet tube (25) and outlet pipe (20), the upper end surface of a discharging tube (3), No. two discharging tubes (6) and outlet pipe (20) all is provided with control valve (21), the inboard surface of heat energy conversion case (18) is provided with heat pipe (23), the side surface of heat pipe (23) is provided with.

2. A preliminary distillation column for the production of isobutyl 2,2, 4-trimethyl-3-hydroxypentanoate according to claim 1, characterized in that: the fixing plate (24) is respectively fixedly connected with the heat energy conversion box (18), the water tank (19) and the heat conduction pipes (23), the heat conduction pipes (23) are fixedly connected with the heat energy conversion box (18), the number of the heat conduction pipes (23) is a plurality of groups, and the heat conduction pipes (23) are arranged in an array mode.

3. A preliminary distillation column for the production of isobutyl 2,2, 4-trimethyl-3-hydroxypentanoate according to claim 1, characterized in that: the outer surface of the lower end of the water tank (19) is provided with supporting legs (22), the number of the supporting legs (22) is a plurality of groups, the supporting legs (22) are arranged in an array mode, the second water inlet pipe (25) and the second water outlet pipe (20) are fixedly connected with the water tank (19) respectively, and the pipeline connecting piece (17) is fixedly connected with the heat energy conversion box (18) and the conveying pipe (16) respectively.

4. A preliminary distillation column for the production of isobutyl 2,2, 4-trimethyl-3-hydroxypentanoate according to claim 1, characterized in that: a one side surface of discharging pipe (3) is provided with flourishing silo (13), the lower extreme surface of flourishing silo (13) is provided with supporting leg (14), flourishing silo (13) respectively with discharging pipe (3) and preliminary distillation tower main part (1) fixed connection, be fixed connection between supporting leg (14) and the flourishing silo (13), the quantity of supporting leg (14) is a plurality of groups, supporting leg (14) are the array and arrange.

5. A preliminary distillation column for the production of isobutyl 2,2, 4-trimethyl-3-hydroxypentanoate according to claim 1, characterized in that: be fixed connection between discharging pipe (3) and the preliminary distillation tower main part (1), be swing joint between a connecting pipe (4) and discharging pipe (3), be fixed connection between a connecting pipe (4) and cooler bin (5), be fixed connection between No. two discharging pipes (6) and cooler bin (5).

6. A preliminary distillation column for the production of isobutyl 2,2, 4-trimethyl-3-hydroxypentanoate according to claim 1, characterized in that: control valve (21) respectively with discharging pipe (3), No. two discharging pipes (6) and outlet pipe (20) fixed connection, the quantity of control valve (21) is three groups, be fixed connection between controller (15) and the preliminary distillation tower main part (1).

7. A preliminary distillation column for the production of isobutyl 2,2, 4-trimethyl-3-hydroxypentanoate according to claim 1, characterized in that: be fixed connection between top of the tower (7) and the primary distillation tower main part (1), the inside of top of the tower (7) is hollow structure, distillation tube (8) run through top of the tower (7), and with be fixed connection between top of the tower (7), be fixed connection between inlet tube (9) and the top of the tower (7).

8. A preliminary distillation column for the production of isobutyl 2,2, 4-trimethyl-3-hydroxypentanoate according to claim 1, characterized in that: be fixed connection between inlet tube (9) and annular pipe (10), No. two connecting pipe (11) respectively with annular pipe (10) and hang shower nozzle (12) fixed connection, the quantity of No. two connecting pipe (11) is a plurality of groups, No. two connecting pipe (11) are the array and arrange, the quantity of hanging shower nozzle (12) is a plurality of groups, it arranges to hang shower nozzle (12) and is the array.