CN204776900U - Acetic acid storage tank - Google Patents

Acetic acid storage tank Download PDF

Info

Publication number
CN204776900U
CN204776900U CN201520344162.7U CN201520344162U CN204776900U CN 204776900 U CN204776900 U CN 204776900U CN 201520344162 U CN201520344162 U CN 201520344162U CN 204776900 U CN204776900 U CN 204776900U
Authority
CN
China
Prior art keywords
acetic acid
storage tank
controller
tank main
main body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520344162.7U
Other languages
Chinese (zh)
Inventor
闫文忠
王立辉
王娜
韩素娟
高金辉
蔡建红
刘瑞英
郭宏斌
杜斌
曹宁
魏马立
曾著飞
张宁宁
李前锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei Donghua Jiheng Chemical Co Ltd
Original Assignee
Hebei Donghua Jiheng Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hebei Donghua Jiheng Chemical Co Ltd filed Critical Hebei Donghua Jiheng Chemical Co Ltd
Priority to CN201520344162.7U priority Critical patent/CN204776900U/en
Application granted granted Critical
Publication of CN204776900U publication Critical patent/CN204776900U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

The utility model discloses an acetic acid storage tank for acetic storage and transportation, including the storage tank main part, set up coil pipe in the storage tank main part, set up at the trip valve of coil pipe entry, from the storage tank main part acetic acetic acid delivery pump of output with import acetic acetic acid pump of unloading, still retrieve jar including the acetic acid that sets up controller the storage tank main part outside, link to each other with the storage tank main part, set up the teletransmission thermometer I who links to each other with the controller in the storage tank main part, the coil pipe entry is gone up and is set up the governing valve that links to each other with the controller, the controller is continuous with the trip valve, storage tank main part top sets up the back -fire relief list and inhales the valve, and the valve is inhaled through tee bend and connecting pipe connection acetic acid recovery unit to the back -fire relief list. The utility model discloses can realize acetic acid storage tank's automatic control temperature, internal pressure is adjusted to the automatic control liquid level, improves factor of safety, reduces intensity of labour.

Description

A kind of acetic acid tank
Technical field
The utility model relates to a kind of storage tank, is specially a kind of acetic acid tank, for storage and the transport of acetic acid.
Background technology
When the storage of acetic acid and transport, require to keep suitable stable temperature, acetic acid is colourless transparent liquid, and solidfying point is 16.7 DEG C.When the environment temperature decreases, the temperature of the acetic acid in acetic acid storage device also can decrease, and when acetic acid temperature will be frozen into solid lower than solidfying point, thus affects conveying and the use of acetic acid.Current acetic acid storage device is by passing into the coil pipe insulation of steam, operative employee will patrol and examine at any time, observe tank temperature, when ambient temperature is lower than 18 DEG C, operative employee is needed to open coil pipe steam stop, pass into steam, steam is coiling Bottomhole pressure, for the heating of acetic acid storage device is to prevent acetic acid from solidifying.When temperature is higher than 26 DEG C, operative employee is needed to be stopped passing into steam by valve closing.When storage tank is discharged into acetic acid, operating personal needs to patrol and examine at any time, and observe tank level, timely termination of pumping, prevents excessive tank; When acetic acid is externally carried, also to observe liquid level at any time, prevent the too low and transmission pump of liquid level from finding time.Acetic acid tank is normal pressure tank, and tank is provided with breathing valve, and when being discharged into acetic acid or pressure anomaly in storage tank, acetic gas will directly enter in air; When acetic acid outwards carried by storage tank, suck air by breathing valve, balancing tank pressure.
Prior art is based on manual operation, if workman observes temperature not in time, when temperature does not open steam valve in time lower than during solidfying point, acetic acid can be caused to solidify, cannot carry, impact to production.When temperature anomaly raises, timely steam off valve, in storage tank, acetate solution cognition flashes to a large amount of acetic acid steam, because acetic acid steam can not be discharged by acetic acid steam too much breathing valve in time; In case of external temperature is extremely low, cause acetic acid at breathing valve intercrystalline, thus blocking breathing valve, make breathing valve ineffective, acetic acid steam makes to become malleation in storage tank, even causes storage tank to be out of shape, thus have an accident when pressure is excessive.Even if breathing valve normally runs acetic acid steam and enters air and also can pollute, it is also a kind of waste simultaneously.
Utility model content
The utility model is to provide a kind of acetic acid tank, realizes temperature automatically controlled, the automatic liquid level control of acetic acid tank, prevents the maloperation of operating personal, improves safety factor, reduces labour intensity.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of acetic acid tank, comprise storage tank main body, the coil pipe be arranged in storage tank main body, be arranged on coil inlet shutoff valve, from storage tank main body export acetic acid acetic acid transmission pump and input acetic acid acetic acid unloading pump, the acetic acid recovery tank also comprise the controller be arranged on outside storage tank main body, being connected with storage tank main body, the teletransmission heat indicator I be connected with controller is set in storage tank main body, coil inlet is arranged the control cock be connected with controller, controller is connected with shutoff valve; Storage tank main body top arranges back-fire relief single-suction valve, and back-fire relief single-suction valve is connected acetic acid recovery device by threeway with connection pipe.
Further improvement of the utility model is: storage tank body exterior arranges the far transmission level meter be connected with controller, and controller connects acetic acid transmission pump and acetic acid unloading pump respectively.
Further improvement of the utility model is: described acetic acid recovery tank is arranged the heating pipe be wrapped on the tank body of acetic acid recovery tank, the top of acetic acid recovery tank arranges back-fire relief single breathing valve.
Further improvement of the utility model is: arrange the teletransmission heat indicator II be connected with controller in acetic acid recovery tank.
Further improvement of the utility model is: the system of controller is DCS system.
Owing to have employed technique scheme, the technological advance acquired by the utility model is:
The utility model can realize the A.T.C of acetic acid tank, the automatic liquid level control when input and output acetic acid, prevents acetic acid liquid level too high or too low, improves safety factor, reduces labour intensity.
Coil pipe of the present utility model can pass into steam, adds the acetic acid in hot tank main body; Shutoff valve is opened lower than during acetic acid solidfying point fast in temperature, quick closedown when temperature is greater than setting value, can Quick temperature adjustment; Control cock can be finely tuned temperature, realizes the fine adjustment of temperature, ensures that acetic acid temperature controls in suitable scope; Teletransmission heat indicator I, the moment measures the temperature in storage tank main body, and is delivered in controller by temperature data, ensures the temperature in controller reasonable adjusting storage tank main body.
Liquidometer of the present utility model can measure the electrolyte level of the acetic acid in storage tank main body, if liquid level is too high when inputting acetic acid, controller will cut out acetic acid unloading pump; When exporting acetic acid, if liquid level is too low, controller will cut out acetic acid transmission pump, ensures that the liquid level in storage tank main body is in suitable state.
Back-fire relief single breathing valve of the present utility model, when acetic acid unloading pump starts or temperature anomaly raises, can ensure the equilibrium of pressure in storage tank main body, prevent storage tank from occurring superpressure phenomenon.Acetic gas will enter acetic acid recovery tank by pipeline, enter air again by after acetic acid recovery by back-fire relief single breathing valve, can not directly enter in air.
Acetic acid recovery tank of the present utility model reclaims the acetic acid steam got rid of from storage tank main body, fills a certain amount of water in acetic acid recovery tank, and water can solution absorption acetic acid, conveniently reclaims, and economizes on resources; Heating pipe can regulate the temperature of acetic acid holding vessel, makes acetic acid holding vessel be in suitable state of temperature; Back-fire relief single-suction valve can when acetic acid transmission pump starts, and balance tank internal pressure, prevents vacuum phenomenon, ensures the safety of acetic acid holding vessel.
The teletransmission heat indicator II of acetic acid recovery tank of the present utility model, the temperature in real time in monitoring acetic acid holding vessel, and temperature data is delivered in controller, ensure the temperature in controller reasonable adjusting acetic acid holding vessel.
The system of controller of the present utility model is DCS system, controls all parts rule and effectively carries out, decrease the working strength of operating personal.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Wherein: 1, storage tank main body, 1-1, teletransmission heat indicator I, 1-2, far transmission level meter, 1-3, back-fire relief single-suction valve, 1-4, threeway, 2, controller, 3, coil pipe, 3-1, shutoff valve, 3-2, control cock, 4, acetic acid recovery tank, 4-1, heating pipe, 4-2, back-fire relief single breathing valve, 4-3, teletransmission heat indicator II, 5, acetic acid transmission pump, 6, acetic acid unloading pump.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further details:
A kind of acetic acid tank, comprise storage tank main body 1, coil pipe 3, shutoff valve 3-1, acetic acid transmission pump 5 and acetic acid unloading pump 6, the entrance and exit of coil pipe 3 is positioned at storage tank main body 1 outside, the middle part dish of coil pipe 3 is placed on storage tank main body 1 inside, the entrance access steam of coil pipe 3, shutoff valve 3-1 is arranged on coil pipe 3 entrance, and acetic acid unloading pump 6 can input acetic acid from storage tank main body 1, and acetic acid transmission pump 5 can extract acetic acid out to storage tank main body 1; A kind of acetic acid tank of the present utility model also comprises controller 2 and acetic acid recovery tank 4; Coil pipe 3 entrance arranges control cock 3-2, and control cock 3-2 connects with shutoff valve 3-1, control cock 3-2 and shutoff valve 3-1 all connection control devices 2; Teletransmission heat indicator I1-1 in storage tank main body 1, teletransmission heat indicator I1-1 connection control device 2, the temperature measuring acetic acid in storage tank main body 1 is delivered to controller 2, controller 2 according to the Numerical Control (NC) control cock 3-2 of heat indicator and shutoff valve 3-1, thus controls to pass into quantity of steam to regulate the temperature in storage tank main body 1 in coil pipe 3; Shutoff valve 3-1 can pass into quantity of steam by quick adjustment coil pipe 3, can carry out temperature control fast when temperature anomaly by switch cutoff valve 3-1; Control cock 3-2 can finely tune temperature, realizes the fine adjustment of temperature, ensures that acetic acid temperature controls in suitable scope; Storage tank main body 1 top arranges back-fire relief single-suction valve 1-3, when transmission pump 5 outwards exports acetic acid, fills into air, prevents from forming vacuum.Back-fire relief single-suction valve 1-3 lower end is connected by threeway 1-4 and connection pipe with acetic acid recovery tank 4.
The far transmission level meter 1-2 that storage tank main body 1 outer setting is connected with controller 2, controller 2 connects acetic acid transmission pump 5 and unloading pump 6 respectively.Liquidometer 1-2 can measure the electrolyte level of the acetic acid in storage tank main body 1, if liquid level is too high when inputting acetic acid, controller 2 will cut out acetic acid unloading pump 6; When extracting acetic acid out, if liquid level is too low, controller 2 will cut out acetic acid transmission pump 5, ensures that the liquid level in storage tank main body 1 is in suitable state.
Heating pipe 4-1 on acetic acid recovery tank 4, heating pipe 4-1 is wrapped on the tank body of acetic acid recovery tank 4, for acetic acid recovery tank 4 heats, heating pipe 4-1 is arranged the switch valve be connected with controller 2, controller 2 can control the flow of hot water in heating pipe 4-1 to control the acetum temperature in acetic acid recovery tank 4; The top of acetic acid recovery tank 4 arranges back-fire relief single breathing valve 4-2, and back-fire relief single breathing valve 4-2 discharges the gas after acetic acid recovery tank 4 absorbs acetic acid when acetic acid unloading pump 6 is discharged into acetic acid in tank, ensures the safety of storage tank main body 1.
Teletransmission heat indicator II4-3 is set in acetic acid recovery tank 4, teletransmission heat indicator II4-3 is connected with controller 2, teletransmission heat indicator II4-3, and the moment measures the temperature in acetic acid holding vessel 4, and temperature data is delivered in controller 2, ensure that the 2-in-1 reason of controller regulates the temperature in acetic acid holding vessel 4.
The system of controller 2 is DCS system, controls all parts rule and effectively carries out, decrease the working strength of operating personal.
Working process of the present utility model is as follows:
Under normal condition, in storage tank main body 1, the temperature of acetic acid is 22 degrees Celsius, control cock 3-2 is in running order, the teletransmission heat indicator I1-1 moment measures the temperature of acetic acid in storage tank main body 1 and temperature data is passed to controller 2, if acetic acid temperature is higher than 22 degrees Celsius, controller 2 controls to adjust the flow that valve 3-2 reduces steam in coil pipe 3, if acetic acid temperature is lower than 22 degrees Celsius, controller 2 controls to adjust the flow that valve 3-2 raises steam in coil pipe 3; When acetic acid temperature is higher than 24 degrees Celsius, controller 2 sends warning; When acetic acid temperature is higher than 26 degrees Celsius, controller 2 controls shutoff valve 3-1 and cuts out; When acetic acid temperature is lower than 20 degrees Celsius, controller 2 sends warning; When acetic acid temperature is lower than 18 degrees Celsius, controller 2 controls shutoff valve 3-1 and opens.
When inputting acetic acid or unloading acetic acid in storage tank main body 1, the far transmission level meter 1-2 moment measures the height of acetic acid liquid level, and data are sent to controller 2; High and low, Gao Gao and low level value are set in controller 2.When acetic acid liquid level reaches high liquid level, controller 2 sends warning; When acetic acid liquid level reaches high liquid level, controller 2 controls acetic acid unloading pump 6 termination of pumping; When acetic acid liquid level reaches low liquid level, controller 2 sends warning; When acetic acid liquid level reaches low liquid level, controller 2 controls acetic acid transmission pump 5 termination of pumping.
In storage tank main body 1, temperature is too high, when acetic acid velocity of evaporation is too fast, pressure increase in storage tank main body 1, when arriving certain pressure, back-fire relief single-suction valve 1-3 can open, released by acetic acid steam, imported in acetic acid recovery tank 4 by connection pipe, teletransmission heat indicator II4-3 monitors the temperature in acetic acid recovery tank 4 in real time, and data are sent to controller 2, when the too high Time Controller 2 of temperature controls to reduce the hot water flow in heating pipe 4-1; Controller 2 controls to increase the hot water flow in heating pipe 4-1 when the temperature is too low.
The utility model can realize the A.T.C of acetic acid tank, the automatic liquid level control when input and output acetic acid, prevents acetic acid liquid level too high or too low, improves safety factor, reduces labour intensity.

Claims (5)

1. an acetic acid tank, comprise storage tank main body (1), be arranged on the coil pipe (3) in storage tank main body (1), be arranged on the shutoff valve (3-1) of coil pipe (3) entrance, the acetic acid transmission pump (5) of acetic acid and the acetic acid unloading pump (6) of input acetic acid is exported from storage tank main body (1), it is characterized in that: also comprise and be arranged on storage tank main body (1) controller outward (2), the acetic acid recovery tank (4) be connected with storage tank main body (1), the teletransmission heat indicator I(1-1 be connected with controller (2) is set in storage tank main body (1)), coil pipe (3) entrance is arranged the control cock (3-2) be connected with controller (2), controller (2) is connected with shutoff valve (3-1), storage tank main body (1) top arranges back-fire relief single-suction valve (1-3), and back-fire relief single-suction valve (1-3) is connected acetic acid recovery tank (4) by threeway (1-4) with connection pipe.
2. a kind of acetic acid tank according to claim 1, is characterized in that: the far transmission level meter (1-2) that storage tank main body (1) outer setting is connected with controller (2), and controller (2) connects acetic acid transmission pump (5) and acetic acid unloading pump (6) respectively.
3. a kind of acetic acid tank according to claim 1, it is characterized in that: the upper setting of described acetic acid recovery tank (4) is wrapped in the heating pipe (4-1) on the tank body of acetic acid recovery tank (4), and the top of acetic acid recovery tank (4) arranges back-fire relief single breathing valve (4-2).
4. a kind of acetic acid tank according to claim 3, is characterized in that: arrange the teletransmission heat indicator II(4-3 be connected with controller (2) in acetic acid recovery tank (4)).
5. a kind of acetic acid tank according to claim 1 ~ 4 any one, is characterized in that: the system of controller (2) is DCS system.
CN201520344162.7U 2015-05-26 2015-05-26 Acetic acid storage tank Expired - Fee Related CN204776900U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520344162.7U CN204776900U (en) 2015-05-26 2015-05-26 Acetic acid storage tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520344162.7U CN204776900U (en) 2015-05-26 2015-05-26 Acetic acid storage tank

Publications (1)

Publication Number Publication Date
CN204776900U true CN204776900U (en) 2015-11-18

Family

ID=54516999

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520344162.7U Expired - Fee Related CN204776900U (en) 2015-05-26 2015-05-26 Acetic acid storage tank

Country Status (1)

Country Link
CN (1) CN204776900U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107380774A (en) * 2017-08-03 2017-11-24 合肥念萍电子商务有限公司 Chemical product safety storage device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107380774A (en) * 2017-08-03 2017-11-24 合肥念萍电子商务有限公司 Chemical product safety storage device

Similar Documents

Publication Publication Date Title
CN202992644U (en) Automatic control system for liquid nitrogen level
CN102760557A (en) Online oil replenishing and draining device for transformer oil conservator
CN205208141U (en) Liquid storage -tank pressure control system
CN202482050U (en) Quantitative oil shipping system
CN110320939A (en) A kind of nuclear power station GSS system drain tank tank level control system and method
CN202660239U (en) Constant-pressure liquid feed device of cooling system
CN202771910U (en) Transformer oil storage tank for online oil supplement device
CN106032871A (en) Cryogenic liquid automatic filling system and method
CN204776900U (en) Acetic acid storage tank
CN216924023U (en) Crude oil buffer tank control system
CN205191224U (en) Atmospheric pressure liquid oxygen supply system
CN106000148B (en) Automatic cycle liquid feeding system
CN106969260B (en) Liquefied natural gas low-temperature pump well exhaust system and control method
CN103452706B (en) Vaporizer evaporating capacity automatic regulating system peculiar to vessel and Automatic adjustment method
CN209507650U (en) A kind of ionic membrane method alkaline electrolysis light salt brine dechlorination system
CN208237486U (en) A kind of tank deck self-checking device
CN106352322A (en) Vapor-liquid micro-negative pressure condensed water recycling system
CN203641890U (en) Heating device of natural gas transportation and distribution pressure regulator
CN109441561A (en) A kind of nuclear power unit presurized water reactor overtemperature prote system and its guard method
CN107056882B (en) Full-automatic ethanol adding system for blood product production
CN214476856U (en) Online oil filter device of transformer
CN205261229U (en) Carbon disulfide stores and quantitative conveying device
CN204805944U (en) Liquid ammonia jar safe recovery system
CN208906066U (en) Prepare the device of Grignard Reagent
CN211450341U (en) Hydrogenation system of hydrogen station

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151118