CN208335029U - A kind of glass reinforced plastic hydrochloric acid tank automatic protecting control device - Google Patents
A kind of glass reinforced plastic hydrochloric acid tank automatic protecting control device Download PDFInfo
- Publication number
- CN208335029U CN208335029U CN201820594878.6U CN201820594878U CN208335029U CN 208335029 U CN208335029 U CN 208335029U CN 201820594878 U CN201820594878 U CN 201820594878U CN 208335029 U CN208335029 U CN 208335029U
- Authority
- CN
- China
- Prior art keywords
- hydrochloric acid
- tank
- reinforced plastic
- glass reinforced
- control
- 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.)
- Withdrawn - After Issue
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- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 239000011152 fibreglass Substances 0.000 title claims abstract description 34
- 239000002253 acid Substances 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims description 29
- 238000010521 absorption reaction Methods 0.000 claims description 19
- 230000003068 static effect Effects 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 13
- 229910000041 hydrogen chloride Inorganic materials 0.000 abstract description 5
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 abstract description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000460 chlorine Substances 0.000 abstract description 3
- 229910052801 chlorine Inorganic materials 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 230000001154 acute effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004899 c-terminal region Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005297 material degradation process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a kind of glass reinforced plastic hydrochloric acid tank automatic protecting control devices.For the problem that current domestic chemical industry for making chlorine and alkali industry glass reinforced plastic hydrochloric acid tank is in use because feed liquor, drain cause gas phase portion pressure acute variation in tank body, storage tank is be easy to cause to burst or take out flat and hydrogen chloride gas directly excessive pollution environment.The utility model uses a kind of automatic protecting control device; by configuring pressure transmitter, electric butterfly valve in tank deck; acid discharge pump is set on the outside of tank bottom, configures hydrogen chloride gas absorbing tower, air exhauster outside tank, guarantees that glass reinforced plastic hydrochloric acid tank is used safely under the premise of meeting environmental requirements.The utility model is safe and reliable, control is simple, convenient for inspection, environmental protection and economy, and the safe handling of hydrochloric acid tank is effectively guaranteed.
Description
Technical field
The utility model belongs to machinery field, and in particular to a kind of glass reinforced plastic hydrochloric acid tank automatic protecting control device.
Background technique
In chemical industry for making chlorine and alkali industry, the concentrated hydrochloric acid inside glass reinforced plastic hydrochloric acid tank has strong corrosivity and volatilization
Property, therefore storage tank is generally glass reinforced plastic or the manufacture of other anticorrosion materials, the pressure meeting in feed liquor, discharge opeing process, in storage tank
It changes, positive pressure can be generated during feed liquor, generate negative pressure in discharge opeing process, the accident for be easy to causeing storage tank to rupture.Currently,
One is the atmospheric communicating pipe directly kept using installation with atmosphere, the property of will volatilize chlorine for common hydrochloric acid tank protected mode
Change hydrogen and be directly discharged into atmosphere, make to keep normal pressure in storage tank, guarantees storage tank safety；Another designs in tank top and installs
Pressure inside the tank is adjusted in respirator, and volatile chlorinated hydrogen is absorbed tower by waste gas absorption pipeline and recycles.It adopts
With atmospheric communicating pipe high reliablity, but escaping gas can enter in atmosphere, cause environmental pollution；Using respirator pressure regulation
When, it is easy because corrosion respirator Material degradation, elastic slice failure occurs, by residue Crystallization Plugging and bonding, make the reduction of its sensitivity
It even fails, pressure when storage tank feed liquor, drain is caused not discharge in time, cause storage tank safety and reliability to decline, seriously
When storage tank rupture, cause safety accident.
Utility model content
In view of the problems of the existing technology, it is wide, applicable to provide a kind of high degree of automation, control range for the utility model
Property strong, high reliablity glass reinforced plastic hydrochloric acid tank automatic protecting control device.
The utility model adopts the following technical solution:
A kind of glass reinforced plastic hydrochloric acid tank automatic protecting control device, which is characterized in that described device includes glass reinforced plastic hydrochloric acid
Storage tank (1), pressure transmitter (2), static pressure liquid level meter (8), acid discharge pump (9), absorption tower (10), air exhauster (13), control cabinet
(14)；The control cabinet (14) is equipped with connecting terminal block (18)；The pressure is equipped at the top of the glass reinforced plastic hydrochloric acid tank (1) to become
Send device (2), check-valves (3), shut-off valve (4), electric butterfly valve (5), the positive and negative terminals and the wiring of the pressure transmitter (2)
Terminal block (18) is connected by the first transmission cable (16), and the lower part of the check-valves (3) and the absorption tower (10) passes through pipe
Road (6) connection, the shut-off valve (4) connect with hydrochloric acid input duct (7), the positive and negative terminals of the electric butterfly valve (5) with it is described
Connecting terminal block (18) passes through the first control cable (15) connection；Glass reinforced plastic hydrochloric acid tank (1) lower part is equipped with the static pressure
Liquidometer (8) and out liquid flange, the liquid flange out pump (9) bottom valve with the acid discharge and are connect by suction line and in same water
The liquid outlet of plane, the acid discharge pump (9) is connect with discharge pipe, the positive and negative terminals of the static pressure liquid level meter (8), the row
Acid pump (9) is connect by the second transmission cable (17), the second control cable (23) with the connecting terminal block (18) respectively, described
Electric butterfly valve (5) and acid discharge pump (9) use interlocked control；The air exhauster (13) and atmosphere pass through exhaust pipe (12)
It communicates and is connected respectively by pipeline, third control cable (24) with the absorption tower (10) top, the connecting terminal block (18)
It connects；The absorption tower (10) is equipped with absorbing liquid input duct (11).
According to above-mentioned device, which is characterized in that the control cabinet (14) be equipped with touch screen (19), DC power supply (20),
The A.C. contactor (21) of acid discharge pump is controlled, the A.C. contactor (22) of air exhauster is controlled, is 380v AC power source (25), embedding
Enter formula controller (26), DC power supply (20) input is 220v, output is that 24v is respectively connected to the embedded controller
(26) and the touch screen (19).
The utility model has the beneficial effects that the utility model is controlled using automatic protection, it can be according to glass reinforced plastic hydrochloric acid tank
The operating pressure of air exhauster and acid discharge pump is arranged in bearing capacity automatically within the scope of pressure transmitter range control, passes through simultaneously
Electric butterfly valve, which opens and closes, achievees the effect that dual pressure regulation protection, has wide high degree of automation, control range, strong applicability, reliable
The high effect of property；Electric butterfly valve and acid discharge pump are used into interlocked control, could only be opened in the state that electric butterfly valve is opened
Acid discharge pump, avoids and occurs super negative pressure state in feed liquor, discharge opeing process；Volatile chlorinated hydrogen is after absorption tower absorbs
Qualified discharge meets national requirements for environmental protection, while hydrogen chloride is recycled.The utility model overcomes to be adopted in the prior art
With installation atmospheric communicating pipe directly keeps with atmosphere, exhaust gas is directly discharged into the defect that atmosphere causes environmental pollution, also solve
It has determined in the prior art using respirator pressure-adjusting protection device because an inspection difficulty, Crystallization Plugging, corrosion failure lose pressure regulation protection
The problem of effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of utility model device；
Fig. 2 is the control principle drawing of utility model device.
Specific embodiment
Referring to Fig. 1, the glass reinforced plastic hydrochloric acid tank automatic protecting control device of the utility model includes glass reinforced plastic hydrochloric acid tank
1, pressure transmitter 2, static pressure liquid level meter 8, acid discharge pump 9, absorption tower 10, air exhauster 13, control cabinet 14；Control cabinet 14 is equipped with and connects
Line terminals row 18；Pressure transmitter 2, check-valves 3, shut-off valve 4, electric butterfly valve 5, pressure are equipped at the top of glass reinforced plastic hydrochloric acid tank 1
The positive and negative terminals of transmitter 2 are connect with connecting terminal block 18 by the first transmission cable 16,2 real-time detection pressure of pressure transmitter
Force signal, the pressure signal detected are transferred to control cabinet 14 by the first transmission cable 16, under check-valves 3 and absorption tower 10
Portion is connected by pipeline 6, and shut-off valve 4 is connect with hydrochloric acid input duct 7, the positive and negative terminals and connecting terminal block 18 of electric butterfly valve 5
It is connected by the first control cable 15；Absorption tower 10 is equipped with absorbing liquid input duct 11；1 lower part of glass reinforced plastic hydrochloric acid tank is equipped with quiet
Liquidometer 8 and acid discharge pump 9 are pressed, the positive and negative terminals of static pressure liquid level meter 8, acid discharge pump 9 are controlled by the second transmission cable 17, second respectively
Cable 23 processed is connect with connecting terminal block 18, and electric butterfly valve 5 and acid discharge pump 9 use interlocked control；Air exhauster 13 and absorption tower
10, connecting terminal block 18 controls the connection of cable 24 by pipeline, third respectively and is communicated with atmosphere by exhaust pipe.Control cabinet
14 are equipped with the A.C. contactor of touch screen 19, DC power supply 20, the A.C. contactor 21 of control acid discharge pump, control air exhauster
22,380v AC power source 25, embedded controller 26, the input of DC power supply 20 be 220v, exports that be that 24v is respectively connected to embedded
Controller 26 and touch screen 19.
When glass reinforced plastic 1 feed liquor of hydrochloric acid tank, shut-off valve 4 is opened, hydrochloric acid enters hydrochloric acid tank 1 by hydrochloric acid input duct 7
Interior, liquid level signal is sent into control cabinet 14 by the second transmission cable 17 and carries out level monitoring by static pressure liquid level meter 8, with glass
Hydrochloric acid increases in steel hydrochloric acid tank 1, and volatile chlorinated hydrogen gas concentration rises, and gas volume space reduces, generate it is small just
Pressure, when the pressure signal that pressure transmitter 2 is sent into control cabinet 14 is greater than 0, air exhauster 13 is automatically turned on, volatile chlorinated hydrogen
Gas is absorbed by liquid absorption by pipeline 6 into absorption tower 10, and the tail gas that residue meets discharge standard passes through 12 row of exhaust pipe
Enter atmosphere, when pressure transmitter 2 is sent into the pressure signal of control cabinet 14 less than 0, opens electric butterfly valve 5 and stored up to glass reinforced plastic hydrochloric acid
Air is filled into tank 1, when the pressure signal that pressure transmitter 2 is sent into control cabinet 14 is decreased to less than -300Pa, air exhauster
13 is out of service, when level value reaches the upper limit of the setting of static pressure liquid level meter 8, closes shut-off valve 4, simultaneously closes off electric butterfly valve 5, into
Liquid is completed.
When glass reinforced plastic 1 drain of hydrochloric acid tank, since electric butterfly valve 5 and acid discharge pump 9 use interlocked control, only in electronic butterfly
When valve 5 is opened, acid discharge pump 9 could be opened by interlocked control to exterior liquid, when pressure transmitter 2 is sent into the pressure of control cabinet 14
When signal is greater than 0, air exhauster 13 is automatically turned on, and hydrogen chloride gas enters absorption tower by pipeline 6 in glass reinforced plastic hydrochloric acid tank 1
10, pressure inside the tank reduces, and forms tiny structure, can avoid hydrogen chloride gas from the electric butterfly valve 5 of unlatching and is discharged into atmosphere, when pressure becomes
When device 2 being sent to be sent into the pressure signal of control cabinet 14 less than -300Pa, air exhauster 13 is out of service, is adjusted by electric butterfly valve 5
Pressure restores pressure inside the tank to normal pressure in glass reinforced plastic hydrochloric acid tank 1, when level value reaches the lower limit of the setting of static pressure liquid level meter 8,
Acid discharge pump 9 is out of service, closes electric butterfly valve 5, and drain is completed.
Referring to fig. 2, the positive and negative terminals of pressure transmitter 2 by the first transmission cable 16 respectively with connecting terminal block 18
IN1+ with IN1- terminal connects, the other end of IN1+ and IN1- terminal respectively with the end AO1+ and AO1- of embedded controller 26
Son connection；Air exhauster 13 controls cable 24 by third and connect with 3 terminals of connecting terminal block 18,3 terminals it is another
End is connect with 3 terminals of the A.C. contactor 22 of control air exhauster respectively, the end DO3+ and DO3- of embedded controller 26
Son is connect with the coil terminals of the A.C. contactor 22 of control air exhauster respectively；Pressure transmitter 2 detects the storage of glass reinforced plastic hydrochloric acid
When pressure in tank 1, pressure inside the tank is converted into the signal of 4-20mA, pressure transmitter 2 detects pressure inside the tank and is higher than setting value
Afterwards, DO3+ the and DO3- terminal of embedded controller 26 issues control signal, and closure controls the A.C. contactor 22 of air exhauster,
Start air exhauster 13, the gas in glass reinforced plastic hydrochloric acid tank 1 enters absorption tower 10, absorption tower by pipeline 6 by check-valves 3
10 absorb pernicious gas, and gas up to standard is discharged into atmosphere by the exhaust pipe 12 connecting with air exhauster 13 after absorbing
In.After pressure transmitter 2 detects that the pressure in glass reinforced plastic hydrochloric acid tank 1 is lower than setting value, the DO3+ of embedded controller 26
Control signal is issued with DO3- terminal, the A.C. contactor 22 of control air exhauster is opened, closes air exhauster 13, stop row
Gas.
The positive and negative terminals of electric butterfly valve 5 by first control cable 15 respectively with the end AO+ and AO- of connecting terminal block 18
Son connection, the other end of AO+ and AO- terminal are connect with DO1+ the and DO1- terminal of embedded controller 26 respectively.Glass reinforced plastic salt
When 1 feed liquor of acid storage tank, DO1+ the and DO1- terminal of embedded controller 26 issues control signal, opens electric butterfly valve 5, will be in tank
Pressure and atmospheric pressure keep balance, it is ensured that 1 safety of glass reinforced plastic hydrochloric acid tank.The positive and negative terminals of static pressure liquid level meter 8 are passed by second
Transmission cable 17 is connect with IN2+ the and IN2- terminal of connecting terminal block 18 respectively, the other end of IN2+ and IN2- terminal respectively with
AO2+ with the AO2- terminal of embedded controller 26 connects.When glass reinforced plastic 1 feed liquor of hydrochloric acid tank, static pressure liquid level meter 8 detects liquid level
Level value is converted into the liquid level signal of 4-20mA by value, after the detection level value of static pressure liquid level meter 8 is higher than setting value, touch screen 19
Show that feed liquor stops prompt, DO1+ the and DO1- terminal of embedded controller 26 issues control signal, closes electric butterfly valve 5, complete
It is controlled at feed liquor.
Acid discharge pump 9 is connect by the second control cable 23 with 3 terminals of connecting terminal block 18, the other end of 3 terminals
It is connect respectively with 3 terminals of the A.C. contactor 21 of control acid discharge pump, DO2+ the and DO2- terminal point of embedded controller 26
It is not connect with the coil terminals of the A.C. contactor 21 of control acid discharge pump.When glass reinforced plastic 1 drain of hydrochloric acid tank, touch screen 19 is pressed
Drain button, DO2+ the and DO2- terminal of embedded controller 26 issue control signal, connect acid discharge and pump 9 power supplys, and drain starts,
By the acid discharge in tank, meanwhile, embedded controller 26 issues control signal by DO1+ and DO1- terminal, and signal passes through wiring
AO+ the and AO- terminal of terminal block 18 is connected to the positive and negative terminals of electric butterfly valve 5, opens electronic by the first control cable 15
Pressure inside the tank and atmospheric pressure are kept balance by butterfly valve 5, guarantee tank body safety.Acid discharge tenth skill principle and drain principle are opposite.
The power supply of embedded controller 26 is 3 phase, 4 line mode, and power supply is connect by A, B, C, G terminal of connecting terminal block 18
Enter, A, B, C terminal are 3 phase alternating currents, and G terminal is ground terminal, and the input of DC power supply 20 is 220v, exports and connects respectively for 24v
Enter the positive and negative terminals of embedded controller 26 and touch screen 19, provides power supply for embedded controller 26 and touch screen 19.
Communication between embedded controller 26 and touch screen 19 uses MODBUS-RTU mode, and signal is connected as embedded
The communication signal of controller 26 is connect with TA+ the and TA- terminal of touch screen 19 respectively by TA+ and TA-.
Static pressure liquid level meter 8 is the mono- flange static pressure liquid level meter of EJA of Yokogawa company.
Pressure transmitter 2 is the EJA diaphragm pressure transmitter of Yokogawa company.
Claims (2)
1. a kind of glass reinforced plastic hydrochloric acid tank automatic protecting control device, which is characterized in that described device includes the storage of glass reinforced plastic hydrochloric acid
Tank (1), pressure transmitter (2), static pressure liquid level meter (8), acid discharge pump (9), absorption tower (10), air exhauster (13), control cabinet
(14)；The control cabinet (14) is equipped with connecting terminal block (18)；The pressure is equipped at the top of the glass reinforced plastic hydrochloric acid tank (1) to become
Send device (2), check-valves (3), shut-off valve (4), electric butterfly valve (5), the positive and negative terminals and the wiring of the pressure transmitter (2)
Terminal block (18) is connected by the first transmission cable (16), and the lower part of the check-valves (3) and the absorption tower (10) passes through pipe
Road (6) connection, the shut-off valve (4) connect with hydrochloric acid input duct (7), the positive and negative terminals of the electric butterfly valve (5) with it is described
Connecting terminal block (18) passes through the first control cable (15) connection；Glass reinforced plastic hydrochloric acid tank (1) lower part is equipped with the static pressure
Liquidometer (8) and out liquid flange, the liquid flange out pump (9) bottom valve with the acid discharge and are connect by suction line and in same water
The liquid outlet of plane, the acid discharge pump (9) is connect with discharge pipe, the positive and negative terminals of the static pressure liquid level meter (8), the row
Acid pump (9) is connect by the second transmission cable (17), the second control cable (23) with the connecting terminal block (18) respectively, described
Electric butterfly valve (5) and acid discharge pump (9) use interlocked control；The air exhauster (13) and atmosphere pass through exhaust pipe (12)
It communicates and is connected respectively by pipeline, third control cable (24) with the absorption tower (10) top, the connecting terminal block (18)
It connects；The absorption tower (10) is equipped with absorbing liquid input duct (11).
2. the apparatus according to claim 1, which is characterized in that the control cabinet (14) is equipped with touch screen (19), direct current
Source (20), the A.C. contactor (21) of control acid discharge pump, the A.C. contactor (22) for controlling air exhauster, 380v AC power source
(25), embedded controller (26), the DC power supply (20) input be 220v, exports that be that 24v is respectively connected to described embedded
Controller (26) and the touch screen (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820594878.6U CN208335029U (en) | 2018-04-25 | 2018-04-25 | A kind of glass reinforced plastic hydrochloric acid tank automatic protecting control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820594878.6U CN208335029U (en) | 2018-04-25 | 2018-04-25 | A kind of glass reinforced plastic hydrochloric acid tank automatic protecting control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208335029U true CN208335029U (en) | 2019-01-04 |
Family
ID=64778907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820594878.6U Withdrawn - After Issue CN208335029U (en) | 2018-04-25 | 2018-04-25 | A kind of glass reinforced plastic hydrochloric acid tank automatic protecting control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208335029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398968A (en) * | 2018-04-25 | 2018-08-14 | 金川集团股份有限公司 | A kind of fiberglass hydrochloric acid tank automatic protecting control device |
-
2018
- 2018-04-25 CN CN201820594878.6U patent/CN208335029U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398968A (en) * | 2018-04-25 | 2018-08-14 | 金川集团股份有限公司 | A kind of fiberglass hydrochloric acid tank automatic protecting control device |
| CN108398968B (en) * | 2018-04-25 | 2024-04-12 | 金川集团股份有限公司 | Automatic protection control device for glass fiber reinforced plastic hydrochloric acid storage tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190104 Effective date of abandoning: 20240412 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190104 Effective date of abandoning: 20240412 |