CN208642597U - A kind of safety-type polymeric kettle emergency stopping system - Google Patents
A kind of safety-type polymeric kettle emergency stopping system Download PDFInfo
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- CN208642597U CN208642597U CN201821479098.3U CN201821479098U CN208642597U CN 208642597 U CN208642597 U CN 208642597U CN 201821479098 U CN201821479098 U CN 201821479098U CN 208642597 U CN208642597 U CN 208642597U
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- valve
- polymeric kettle
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- pressure
- safety
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Abstract
The utility model discloses a kind of safety-type polymeric kettle emergency stopping systems, including accommodating device, emergency episode terminator tank and high-pressure nitrogen bottle by the sequentially connected polymeric kettle of pipeline, rupture pressure disc, the first valve, the second valve, third valve are successively arranged on the pipeline between emergency episode terminator tank and polymeric kettle；Emergency episode terminator tank upper end is equipped with the 4th valve, and lower end is equipped with the 5th valve；The 6th valve, the 7th valve, the 8th valve and the 9th valve are successively arranged on pipeline between emergency episode terminator tank and high-pressure nitrogen bottle；First pressure switch, second pressure switch and third pressure switch are connected separately with behind third valve, the 6th valve and the 7th valve.Safety-type polymeric kettle emergency stopping system provided by the utility model so that operator replaces in time can avoid equipment and personal safety from being threatened by emergency alarm when rupture disk occurs damaged.
Description
Technical field
The utility model relates to chemical fields, specifically disclose a kind of safety-type polymeric kettle emergency stopping system.
Background technique
Core workshop section of the polymerization as polyvinyl chloride subsidiary factory, important pressure vessel of the polymeric kettle as polymerization process, it
Safe operation is particularly important.Polymeric kettle operating pressure is not constant, maximum pressure nearly 1.0MPa, minimum pressure is-
0.06MPa is the process of transformation operation.Polymerization emergency episode terminator rupture disk occurs under transformation operating condition for a long time
Exhaustion creep is easy to happen disrepair phenomenon.When rupture disk rupture, the object of the polymerization systems such as monomer, initiator in polymeric kettle
Autohemagglutination occurs under the reaction force of kettle pressure through rupture disk anti-channeling into emergency episode terminator pipeline for matter to block pipeline, is somebody's turn to do
Autopolymer is in rubber-like elastic body, it is difficult to be cleared up.When needing that emergency episode terminator is added under an emergency situation is encountered, pipeline because
Autopolymer is blocked and cannot be normally added, and threatens the safe operation of polymeric kettle.
Because emergency episode terminator is a closed system, it is isolated with polymeric kettle system by rupture disk, once rupture disk
Breakage occur can not judge whether rupture disk is intact because pressure is higher in kettle in time at all.Once there is damaged formation autohemagglutination
Can object will directly affect smoothly be added emergency episode terminator in abnormal cases, guarantee that equipment, personal safety cause seriously
It threatens.
Utility model content
The utility model provides a kind of safety-type polymeric kettle emergency stopping system, can be urgent when rupture disk occurs damaged
Alarm, so that operator replaces in time, avoids equipment and personal safety from being threatened.
A kind of safety-type polymeric kettle emergency stopping system, including accommodated by the sequentially connected polymeric kettle of pipeline, rupture pressure disc
Device, emergency episode terminator tank and high-pressure nitrogen bottle；
The first valve, the second valve are successively arranged on pipeline between the emergency episode terminator tank and the polymeric kettle
Door, third valve, and first valve is positioned close to described emergency episode terminator tank one end, the third valve setting
Close to described polymeric kettle one end, second valve is arranged between first valve and the third valve；
The emergency episode terminator tank upper end is equipped with the 4th valve, and lower end is equipped with the 5th valve；
The 6th valve, the 7th are successively arranged on pipeline between the emergency episode terminator tank and the high-pressure nitrogen bottle
Valve, the 8th valve and the 9th valve, and the 6th valve is positioned close to described emergency episode terminator tank one end, it is described
7th valve is positioned close to described high-pressure nitrogen bottle one end, and the 8th valve is positioned close to described 7th valve one end,
9th valve is arranged between the 8th valve and the 6th valve；
First pressure switch, the are connected separately with behind the third valve, the 6th valve and the 7th valve
Two pressure switches, third pressure switch.
Preferably, the rupture pressure disc aid device includes the rupture disk for accommodating device and being clamped among the aid device.
Preferably, the first automatic control two-position valve is equipped on the outside of second valve, and described first automatic control two-position valve one end connects
It connects in one end of second valve, opposite other end is connected to the opposite other end of second valve.
Preferably, the second automatic control two-position valve is equipped on the outside of the 9th valve, and described second automatic control two-position valve one end connects
It connects in one end of the 9th valve, opposite other end is connected to the opposite other end of the 9th valve.
Preferably, there are two the high-pressure nitrogen bottle is set.
The prior art is compared, the utility model has the following beneficial effects:
Safety-type polymeric kettle emergency stopping system provided by the utility model is equipped with pressure below rupture pressure disc aid device
Switch, which can sound an alarm when rupture disk occurs damaged, so that operator replaces in time, avoid equipment with
Personal safety is threatened.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of safety-type polymeric kettle emergency stopping system provided by the utility model.
Description of symbols: 1- polymeric kettle, 2- rupture pressure disc aid device, 3- emergency episode terminator tank, the 4th valve of 31-,
The 5th valve of 32-, 4- high-pressure nitrogen bottle, the first valve of 5-, the second valve of 6-, the first automatic control of 61- two-position valve, 7- third valve,
The 6th valve of 8-, the 7th valve of 9-, the 8th valve of 10-, the 9th valve of 11-, 111- the second automatic control two-position valve.
Specific embodiment
It can be practiced in order to enable those skilled in the art to better understand the technical solutions of the present invention, below with reference to
The utility model is described in further detail for the drawings and specific embodiments, but illustrated embodiment is not as the limit to the utility model
It is fixed.
It should be noted that the utility model relates to polymeric kettle, rupture pressure disc accommodate device, emergency episode terminator tank, height
The mounting means of pressure nitrogen cylinder, each valve and each pressure switch is the conventional mounting means of this field.
A kind of safety-type polymeric kettle emergency stopping system, including accommodated by the sequentially connected polymeric kettle 1 of pipeline, rupture pressure disc
Device 2, emergency episode terminator tank 3 and high-pressure nitrogen bottle 4；
The rupture pressure disc aid device 2 includes the rupture disk for accommodating device and being clamped among the aid device, the aid device
It is fixed by the flange of connecting pipe two sides, the aid device, which clamps the rupture disk, should transmit uniform clamping load, it is ensured that institute
It states rupture disk compression not twitched at its edge when explosion, and guarantees that peripheral sealing does not leak；
The first valve 5, second is successively arranged on pipeline between the emergency episode terminator tank 3 and the polymeric kettle 1
Valve 6, third valve 7, and first valve 5 is positioned close to described 3 one end of emergency episode terminator tank, is system shutdown
Relief valve when maintenance, it is normally closed；The third valve 7 is positioned close to described 1 one end of polymeric kettle, and described second
Valve 6 is arranged between first valve 5 and the third valve 7, and the first automatic control two is equipped on the outside of second valve 6
Valve 61, and described first automatic control two-position valve, 61 one end is connected to one end of second valve 6, opposite other end is connected to described
The opposite other end of second valve 6, second valve 6 are the bypass valve that emergency episode terminator enters the polymeric kettle 1, are prevented
Only in emergency circumstances the first automatic control two-position valve 61 influences under 1 accident condition of polymeric kettle because failure can not normally open
The addition of terminator；
3 upper end of emergency episode terminator tank is equipped with the 4th valve 31, is emergency episode terminator injection valve, positive reason
The valve is normally off under condition, needs to add or replace terminator and opens；3 lower end of emergency episode terminator tank is equipped with
5th valve 32 is accident terminator discharging valve, and the valve is normally off under normal circumstances, when accident terminator is expired or dirty
When dye needs to discharge, this valve is opened；；
Be successively arranged on pipeline between the emergency episode terminator tank 3 and the high-pressure nitrogen bottle 4 the 6th valve 8,
7th valve 9, the 8th valve 10 and the 9th valve 11, and the 6th valve 8 is positioned close to the emergency episode terminator
3 one end of tank, the 7th valve 9 are positioned close to described 4 one end of high-pressure nitrogen bottle, and the 8th valve 10 is positioned close to institute
9 one end of the 7th valve is stated, nitrogen pressure can be decompressed to 4.5Mp by 8.0Mp or more for nitrogen pressure reducing valve；9th valve
11 are arranged between the 8th valve 10 and the 6th valve 8, and the second automatic control two is equipped on the outside of the 9th valve 11
Valve 111, and described second automatic control two-position valve, 111 one end is connected to one end of the 9th valve 11, opposite other end is connected to
The opposite other end of 9th valve 11, the 9th valve 11 are the bypass valve that nitrogen enters emergency episode terminator tank,
Prevent in emergency circumstances the second automatic control two-position valve 111 because failure can not normally open influence the emergency processing of accident；
First pressure switch is connected separately with behind the third valve 7, the 6th valve 8 and the 7th valve 9
71, second pressure switch 81, third pressure switch 91, each pressure switch are that ITT producer produces, model 90P56C5,
The pressure switch can be greater than 0.1MPa alarm in setting pressure, once the rupture disk 22 has breakage that can quickly sentence
It is disconnected, and replacement processing is carried out to it, it is ensured that the normal operation of polymeric kettle emergency stopping system；
The third valve 7 is the root control valve of the first pressure switch 81, and the 6th valve 8 is described second
The root control valve of pressure switch 10, the 7th valve 9 are the root control valve of the third pressure switch 71, normal condition
The third valve 7, the 6th valve 8 and the 7th valve 9 are long open state, are used to measuring system nitrogen pressure,
Need to safeguard that each root valve is closed when pressure switch.
Preferably, there are two the high-pressure nitrogen bottle 4 is set.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, protection scope
It is without being limited thereto.Those skilled in the art made equivalent substitute or transformation on the basis of the utility model, in this reality
Within novel protection scope, the protection scope of the utility model is subject to claims.
Claims (5)
1. a kind of safety-type polymeric kettle emergency stopping system, which is characterized in that including passing through the sequentially connected polymeric kettle of pipeline
(1), rupture pressure disc aid device (2), emergency episode terminator tank (3) and high-pressure nitrogen bottle (4)；
The first valve (5), are successively arranged on pipeline between the emergency episode terminator tank (3) and the polymeric kettle (1)
Two valves (6), third valve (7), and first valve (5) is positioned close to described emergency episode terminator tank (3) one end,
The third valve (7) is positioned close to the polymeric kettle (1) one end, and second valve (6) is arranged in first valve
(5) between the third valve (7)；
The emergency episode terminator tank (3) upper end is equipped with the 4th valve (31), and lower end is equipped with the 5th valve (32)；
Pipeline between the emergency episode terminator tank (3) and the high-pressure nitrogen bottle (4) is equipped with the 6th valve (8), the
Seven valves (9), the 8th valve (10) and the 9th valve (11), and the 6th valve (8) is positioned close to the emergency episode
Terminator tank (3) one end, the 7th valve (9) are positioned close to the high-pressure nitrogen bottle (4) one end, the 8th valve
(10) it is positioned close to described 7th valve (9) one end, the 9th valve (11) is arranged in the 8th valve (10) and institute
It states between the 6th valve (8)；
The third valve (7), the 6th valve (8) and the 7th valve (9) are connected separately with first pressure below and open
Close (71), second pressure switchs (81), third pressure switch (91).
2. safety-type polymeric kettle emergency stopping system according to claim 1, which is characterized in that the rupture pressure disc accommodates device
It (2) include the rupture disk for accommodating device and being clamped among the aid device.
3. safety-type polymeric kettle emergency stopping system according to claim 1, which is characterized in that second valve (6)
Outside is equipped with the first automatic control two-position valve (61), and described first automatic control two-position valve (61) one end is connected to second valve (6)
One end, opposite other end is connected to the opposite other end of second valve (6).
4. safety-type polymeric kettle emergency stopping system according to claim 1, which is characterized in that the 9th valve (11)
Outside is equipped with the second automatic control two-position valve (111), and described second automatic control two-position valve (111) one end is connected to the 9th valve
(11) one end, opposite other end are connected to the opposite other end of the 9th valve (11).
5. safety-type polymeric kettle emergency stopping system according to claim 1, which is characterized in that the high-pressure nitrogen bottle
(4) there are two setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821479098.3U CN208642597U (en) | 2018-09-10 | 2018-09-10 | A kind of safety-type polymeric kettle emergency stopping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821479098.3U CN208642597U (en) | 2018-09-10 | 2018-09-10 | A kind of safety-type polymeric kettle emergency stopping system |
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| Publication Number | Publication Date |
|---|---|
| CN208642597U true CN208642597U (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821479098.3U Expired - Fee Related CN208642597U (en) | 2018-09-10 | 2018-09-10 | A kind of safety-type polymeric kettle emergency stopping system |
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|---|---|
| CN (1) | CN208642597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111468051A (en) * | 2020-04-02 | 2020-07-31 | 内蒙古乌海化工有限公司 | Polymerization reaction system |
-
2018
- 2018-09-10 CN CN201821479098.3U patent/CN208642597U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111468051A (en) * | 2020-04-02 | 2020-07-31 | 内蒙古乌海化工有限公司 | Polymerization reaction system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 |
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| CF01 | Termination of patent right due to non-payment of annual fee |