CN208426675U - For purifying the rectifying column of tert-butyl acetylene - Google Patents

Abstract

The utility model provides a kind of for purifying the rectifying column of tert-butyl acetylene, belong to chemical equipment technical field, including tower body, the tower body bottom is equipped with drain pipe and the drain pipe is connected with first filter, the exit of the first filter is equipped with cleaning pump, the exit of the first filter is connected with the entrance of the cleaning pump, the entrance of the cleaning pump is also connected with reservoir, the exit of the cleaning pump is connected with the second filter, having heaters is connected at second filter outlet, several spray tubes being connected with the tower body are connected at the heater outlet, the spray tube exit is equipped with several spray heads, the tower body side is additionally provided with blower, several gas blow pipes being connected with the tower body are connected at the fan outlet.The rectifying column anti-clogging effect of the utility model is good, cleaning effect is good, and dismounting filter is easy to clean, and cleaning solution utilization rate is high, advantageously reduces cost.

Description

For purifying the rectifying column of tert-butyl acetylene

Technical field

The utility model relates to chemical equipment technical fields, and in particular to for purifying the rectifying column of tert-butyl acetylene.

Background technique

Tert-butyl acetylene is a kind of important medicine intermediate, can be used for synthesizing the drugs such as Terbinafine, as in drug Mesosome, the product purity of tert-butyl acetylene to the quality of synthetic drug there are great influence, the thick tert-butyl second that industrially prepares Alkynes raw material need to be further purified through rectifying column, reach the synthesis that just can be used for drug after certain product purity.

Rectifying column is a kind of tower vapor-liquid contacting apparatus for carrying out rectifying, however rectifying column is in long-term operational process, Due to tert-butyl acetylene crystallization and the generation of polymer, these substances gradually adhere to, accumulate in rectifying column, result in column plate and The blocking of pipeline etc., and column plate heat transfer, the decline of mass-transfer efficiency are caused, great inconvenience is brought to production.Traditional is clear Mode is washed often by the artificial cleaning structures such as column plate and overflow launder, although cleaning effect is preferable, needs to expend a large amount of Manpower and time, higher cost also produce larger impact to industrial production activities.

Therefore it provides a kind of anti-clogging effect it is good, convenient for cleaning, easy to operate, time saving and energy saving for purifying tert-butyl The rectifying column of acetylene is necessary.

Utility model content

The purpose of this utility model be in view of the deficiencies of the prior art, provide a kind of anti-clogging effect it is good, convenient for cleaning, behaviour Make simple, the time saving and energy saving rectifying column for being used to purify tert-butyl acetylene.

The utility model provides following technical solution:

For purifying the rectifying column of tert-butyl acetylene, including tower body, the tower body bottom is equipped with drain pipe and the drain Pipe is connected with first filter, and the exit of the first filter is equipped with cleaning pump, the exit of the first filter with The entrance of the cleaning pump is connected, and the entrance of the cleaning pump is also connected with reservoir, and the exit of the cleaning pump connects Be connected to the second filter, having heaters connected at second filter outlet, be connected at the heater outlet it is several with The connected spray tube of the tower body, the spray tube exit are equipped with several spray heads, and the tower body side is additionally provided with blower, described Several gas blow pipes being connected with the tower body are connected at fan outlet.

Preferably, several valve plates, valve plate longer, efficiency with vapour-liquid time of contact are equipped in the tower body High, the advantages that operating flexibility is big.

Preferably, the exit and inlet of the first filter and second filter are respectively equipped with valve, and The first bypass pipe and the second bypass pipe are connected separately on the outside of the valve, on first bypass pipe and second bypass pipe It is respectively equipped with valve, it is easy to disassemble to replace or clean the first filter or second filter.

Preferably, filter cloth, filter cloth in second filter are equipped in the first filter and second filter Pore size filter be less than the first filter in filter cloth pore size filter, convenient for effectively filtering the impurity in cleaning solution, realize Cleaning solution recycles, and improves the utilization rate of cleaning solution.

Preferably, the heater is using in movable tube sheets heat exchanger, fixed tube-sheet exchanger, U-shaped pipe heat exchanger The temperature of cleaning solution can be improved in one kind, the heater, is conducive to the cleaning effect for enhancing cleaning solution.

Preferably, valve is equipped at the fan outlet, convenient for control gas blow pipe working condition.

The beneficial effects of the utility model are:

(1) cleaning solution is inputted spray tube by cleaning pump by the utility model, and then cleaning solution passes through in tower body difference position The spray head set cleans rectifying column, and operation is more convenient, in addition, the utility model will be in rectifying column by blower and gas blow pipe Residual liquid and solids purging are clean, to further improve the cleaning effect of rectifying column.

(2) setting of valve and the setting of by-pass line are convenient for not influencing rectifying column in a short time at filter entrance Under the premise of cleaning operation, dismounting and change or cleaning plugged sereen.

(3) liquid of rectifying column has been cleaned respectively after first filter and the filtering of the second filter, then passes through spray tube It returns in rectifying column, improves the utilization rate of cleaning solution, reduce the loss of cleaning solution, to reduce the influence to environment.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention and illustrates.

Fig. 1 is the structural schematic diagram of the utility model.

In the figure, it is marked as 1, tower body；2, reservoir；3, first filter；4, the second filter；5, cleaning pump；6, it heats Device；7, blower；8, spray line；9, spray head；10, gas blow pipe；11, drain pipe；12, valve plate；13, the first bypass pipe；14, Two bypass pipes.

Specific embodiment

As shown in Figure 1, the rectifying column for purifying tert-butyl acetylene, including tower body 1, tower body 1 is interior to be equipped with several valve towers Plate 12,1 bottom of tower body is equipped with drain pipe 11 and drain pipe 11 is connected with first filter 3, and the exit of first filter 3 is equipped with The exit of cleaning pump 5, first filter 3 is connected with the entrance of cleaning pump 5, and the entrance of cleaning pump 5 is also connected with liquid storage Slot 2, the exit of cleaning pump 5 are connected with the second filter 4.

Under the premise of not influencing rectifying column cleaning operation in a short time, for the ease of dismounting and change or the mistake of cleaning blocking Filter, the exit and inlet of first filter 3 and the second filter 4 are respectively equipped with valve, and are separately connected on the outside of valve There are the first bypass pipe 13 and the second bypass pipe 14, and is respectively equipped with valve on the first bypass pipe 13 and the second bypass pipe 14, in addition, It is equipped with filter cloth in first filter 3 and the second filter 4, the pore size filter of filter cloth is less than first filter 3 in the second filter 4 The pore size filter of interior filter cloth.Second filter, 4 exit connects having heaters 6, and the temperature of cleaning solution can be improved in heater 6, from And enhancing the cleaning effect of cleaning solution, heater 6 uses movable tube sheets heat exchanger, and 6 exit of heater is connected with several and tower body 1 Connected spray tube 8,8 exit of spray tube are equipped with several spray heads 9.

1 side of tower body is additionally provided with blower 7, and 7 exit of blower is connected with several gas blow pipes 10 being connected with tower body 1, blower 7 Exit is equipped with valve.

The working method of the utility model are as follows: the liquid after cleaning is flowed out through drain pipe 11, then through 3 mistake of first filter It is delivered to the entrance of cleaning pump 5 after filter, and is transported in the second filter 4 and carries out together with the cleaning solution in reservoir 2 Further filtering, the filtered heated device 6 of liquid is heated to certain temperature, subsequently into spray line 8 to carrying out inside tower body 1 Sprinkling cleaning, the liquid after sprinkling flow to 1 bottom of tower body through gravity, are then discharged through drain pipe 11, reach cleaning with this The purpose that liquid is recycled；Circulation sprinkling is rinsed after a certain period of time, is opened blower 7 and is blowed air into rectifying column, by rectifying column Interior residual liquid and solids purging are clean.

The foregoing is merely the preferred application cases of the utility model, are not intended to limit the utility model, although reference The utility model is described in detail in previous embodiment, for those skilled in the art, still can be right Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features.It is all Within the spirit and principles of the utility model, it is practical new to should be included in this for any modification, equivalent replacement, improvement and so on Within the protection scope of type.

Claims (6)

1. for purifying the rectifying column of tert-butyl acetylene, including tower body, which is characterized in that the tower body bottom be equipped with drain pipe and The drain pipe is connected with first filter, and the exit of the first filter is equipped with cleaning pump, the first filter Exit is connected with the entrance of the cleaning pump, and the entrance of the cleaning pump is also connected with reservoir, the cleaning pump Exit is connected with the second filter, and having heaters is connected at second filter outlet, is connected at the heater outlet There are several spray tubes being connected with the tower body, the spray tube exit is equipped with several spray heads, and the tower body side is additionally provided with Blower is connected with several gas blow pipes being connected with the tower body at the fan outlet.

2. according to claim 1 for purifying the rectifying column of tert-butyl acetylene, which is characterized in that be equipped in the tower body Several valve plates.

3. according to claim 1 for purifying the rectifying column of tert-butyl acetylene, which is characterized in that the first filter It is respectively equipped with valve with the exit of second filter and inlet, and is connected separately with the first bypass on the outside of the valve Pipe and the second bypass pipe are respectively equipped with valve on first bypass pipe and second bypass pipe.

4. according to claim 1 for purifying the rectifying column of tert-butyl acetylene, which is characterized in that the first filter With filter cloth is equipped in second filter, the pore size filter of filter cloth is less than in the first filter in second filter The pore size filter of filter cloth.

5. according to claim 1 for purifying the rectifying column of tert-butyl acetylene, which is characterized in that the heater uses One of movable tube sheets heat exchanger, fixed tube-sheet exchanger, U-shaped pipe heat exchanger.

6. according to claim 1 for purifying the rectifying column of tert-butyl acetylene, which is characterized in that at the fan outlet Equipped with valve.