CN211770266U - High-temperature liquid conveying device - Google Patents

High-temperature liquid conveying device Download PDF

Info

Publication number
CN211770266U
CN211770266U CN202020138055.XU CN202020138055U CN211770266U CN 211770266 U CN211770266 U CN 211770266U CN 202020138055 U CN202020138055 U CN 202020138055U CN 211770266 U CN211770266 U CN 211770266U
Authority
CN
China
Prior art keywords
contact
liquid level
relay
solenoid valve
level sensor
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.)
Active
Application number
CN202020138055.XU
Other languages
Chinese (zh)
Inventor
梁升
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.)
Dare Wood Based Panel Group Co ltd
Dare Wood Industrial Maoming Co ltd
Original Assignee
Dare Wood Based Panel Group Co ltd
Dare Wood Industrial Maoming 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 Dare Wood Based Panel Group Co ltd, Dare Wood Industrial Maoming Co ltd filed Critical Dare Wood Based Panel Group Co ltd
Priority to CN202020138055.XU priority Critical patent/CN211770266U/en
Application granted granted Critical
Publication of CN211770266U publication Critical patent/CN211770266U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model belongs to discharge high temperature liquid equipment field, disclose a high temperature liquid conveyor, it is including the preparation jar that is used for preparing high temperature liquid, the storage jar and the main pipeline that are used for saving high temperature liquid, main pipeline's one end is linked together with the preparation jar, and the other end is linked together with the storage jar, install the solenoid valve that is used for controlling its break-make on the main pipeline and be used for taking out the high temperature liquid in the preparation jar to the pump of storage jar when the solenoid valve is opened. The utility model discloses a cooperation of solenoid valve and pump realizes the transport of high temperature liquid, opens and stops the convenience.

Description

High-temperature liquid conveying device
Technical Field
The utility model relates to a high temperature liquid conveyor belongs to and discharges high temperature liquid equipment field.
Background
As shown in figure 1, the existing high-temperature liquid conveying device is mainly characterized in that a manufacturing tank 1 and a storage tank 2 are communicated through a pipeline, a manual valve 8 is installed on the pipeline, when high-temperature liquid needs to be discharged in production, the manual valve 8 is opened by pulling through a special tool for personnel field operation, and the high-temperature liquid flows out of the manufacturing tank 1 and is input into the storage tank through the pipeline.
The defects of the prior art are as follows: when high-temperature liquid needs to be conveyed in production, an operator needs to carry tools such as a wrench and the like to the site to manually pull the hand valve to discharge and convey, the conveying amount needs to be observed and judged by the operator on the site, the temperature of the environment on the site is high, the risk of scalding is caused when the pipeline is accidentally touched in site operation, and the sealing element of the hand valve 8 is easy to age due to the long-term high temperature of the hand valve 8, so that the operator can be scalded by the leaked high-temperature steam-water liquid in the site operation process. Because the manual valve 8 is high in temperature for a long time, the manual valve body is inflexible in movement, cannot be opened in the opening or closing process, or cannot be judged if the manual valve is opened or closed incompletely in place, and because the manual valve is not closed completely in place, part of high-temperature liquid is discharged for a long time, the production process is influenced, the manual valve is closed frequently, the manual valve is closed incompletely in place and cannot be judged, so that a maintainer mistakenly thinks that the manual valve is closed completely, and scalding is easy to occur when the next-stage equipment of the manual valve 8 is overhauled.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a high temperature liquid conveyor, it realizes the transport of high temperature liquid through the cooperation of solenoid valve and pump, opens and stops the convenience.
In order to solve the technical problem, the technical scheme of the utility model is that: a high temperature liquid delivery apparatus comprising:
a manufacturing tank for preparing high temperature liquid;
a storage tank for storing a high temperature liquid;
the high-temperature liquid pump comprises a main conveying pipeline, wherein one end of the main conveying pipeline is communicated with a manufacturing tank, the other end of the main conveying pipeline is communicated with a storage tank, an electromagnetic valve used for controlling the on-off of the main conveying pipeline and a pump used for pumping high-temperature liquid in the manufacturing tank to the storage tank when the electromagnetic valve is opened are mounted on the main conveying pipeline.
Further, in order to automatically control the operation of the solenoid valve and the pump, the high-temperature liquid transfer device further includes:
a first level sensor SQ1 adapted to measure the level of liquid in the production tank;
a second level sensor SQ2 adapted to measure the level of the liquid in the storage tank;
the control circuit is respectively connected with the first liquid level sensor SQ1, the second liquid level sensor SQ2, the electromagnetic valve and the pump, and is suitable for controlling the electromagnetic valve to be opened and the pump to be started when the liquid level sent by the first liquid level sensor SQ1 is higher than a first set value and the liquid level sent by the second liquid level sensor SQ2 is lower than a second set value; and
when the liquid level sent by the first liquid level sensor SQ1 is lower than a first set value or the liquid level sent by the second liquid level sensor SQ2 is higher than a second set value, the electromagnetic valve is controlled to be closed, and the pump is stopped.
Further, the high-temperature liquid conveying device also comprises a flowmeter which is arranged on the main conveying pipeline and is used for measuring the liquid flow passing through the main conveying pipeline.
In order to adopt other channels to convey high-temperature liquid under the condition that the main conveying pipeline is abnormal, the high-temperature liquid conveying device further comprises an auxiliary conveying pipeline, one end of the auxiliary conveying pipeline is communicated with the manufacturing tank, the other end of the auxiliary conveying pipeline is communicated with the storage tank, and a manual valve for controlling the on-off of the auxiliary conveying pipeline is mounted on the auxiliary conveying pipeline.
Further provides a concrete structure of a control circuit, wherein the control circuit comprises contacts 2-3 of a first liquid level sensor SQ1, contacts 3-4 of a second liquid level sensor SQ2, a relay KA and a contactor KM; wherein the content of the first and second substances,
the first liquid level sensor SQ1 is used for controlling the on-off of the contact 2-3, controlling the contact 2-3 to be closed when the liquid level measured by the first liquid level sensor is higher than a first set value, and controlling the contact 2-3 to be opened when the liquid level measured by the first liquid level sensor is lower than the first set value;
the second liquid level sensor SQ2 is used for controlling the on-off of the contact 3-4, controlling the contact 3-4 to be closed when the liquid level measured by the second liquid level sensor is lower than a second set value, and controlling the contact 3-4 to be opened when the liquid level measured by the second liquid level sensor is higher than the second set value;
one end of a series circuit formed by connecting the contact 2-3, the contact 3-4 and a coil of the relay KA in series is connected with the live wire L, the other end of the series circuit is connected with the zero line N, a normally open contact of the relay KA is connected with the coil of the electromagnetic valve to be used as a control switch of the electromagnetic valve, so that when the contact 2-3 and the contact 3-3 are closed simultaneously, the relay KA is electrified and closed to open the electromagnetic valve;
one end of a series circuit formed by serially connecting the normally open contacts 1-7 of the relay KA and the coil of the contactor KM is connected with the live wire L, the other end of the series circuit is connected with the zero wire N, and one normally open contact of the contactor KM is connected with the pump to be used as a control switch of the pump so as to control the pump to be started when the relay KA is electrified and sucked.
Further, in order to manually control the operation of the high-temperature liquid conveying device, the control circuit also comprises a manual automatic switch SA, a starting button SB2 and a stopping button SB 1; wherein the content of the first and second substances,
the starting button SB2 is a normally open contact, and the stopping button SB1 is a normally closed contact;
a normally closed contact 1-2 of the manual automatic switch SA is connected in series in a series circuit formed by connecting a contact 2-3, a contact 3-4 and a coil of the relay KA in series;
a series circuit formed by connecting a normally open contact 1-5, a start button SB2 and a stop button SB1 of the manual automatic switch SA in series is connected with a normally closed contact 1-2 in parallel.
Further in order to conveniently know whether the control circuit is in a manual state or an automatic state, the high-temperature liquid conveying device further comprises a working state indicator lamp HL3, one end of a series circuit formed by connecting the working state indicator lamp HL3 and the normally closed contacts 1-11 of the manual automatic switch SA in series is connected with the live wire L, and the other end of the series circuit is connected with the zero wire N.
Further in order to get the electricity actuation back at relay KA, when the solenoid valve did not open or did not open and target in place, the staff can know in order to conveniently take measures, high temperature liquid conveyor still includes that the solenoid valve opens unusual indicating circuit, the unusual indicating circuit of solenoid valve opening includes:
a solenoid valve open-in-place sensor SQ3 for detecting whether the solenoid valve is open in place, wherein the solenoid valve open-in-place sensor SQ3 is suitable for detecting that the solenoid valve is open in place to control the normally closed contact 7-8 to be opened;
the relay comprises a delay relay T1, wherein one end of a series circuit formed by serially connecting a coil of the delay relay T1, a normally closed contact 7-8 and a normally open contact 1-7 of a relay KA is connected with a live wire L, and the other end of the series circuit is connected with a zero line N;
an electromagnetic valve opening abnormity indicator lamp HL1, a series circuit formed by connecting a normally open contact 1-7 of the relay KA, a normally open contact of the time delay relay T1 and an electromagnetic valve opening abnormity indicator lamp HL1 in series has one end connected with a live wire L and the other end connected with a zero wire N.
Further, in order to enable a worker to know to take measures when the electromagnetic valve is not closed or closed in place after the relay KA is powered off and disconnected, the high-temperature liquid conveying device further comprises an electromagnetic valve closing abnormity indicating circuit, and the electromagnetic valve closing abnormity indicating circuit comprises:
a solenoid valve closing in-place sensor SQ4 for detecting whether the solenoid valve is closed in place, wherein the solenoid valve closing in-place sensor SQ4 is adapted to detect that the solenoid valve is closed in place to control the normally closed contacts 9-10 thereof to be opened;
the relay comprises a delay relay T2, wherein one end of a series circuit formed by connecting a coil of the delay relay T2, normally closed contacts 9-10 and normally closed contacts 1-9 of a relay KA in series is connected with a live wire L, and the other end of the series circuit is connected with a zero wire N;
an electromagnetic valve closing abnormity indicator lamp HL2, one end of a series circuit formed by connecting a normally closed contact 1-9 of the relay KA, a normally open contact of the time delay relay T2 and the electromagnetic valve closing abnormity indicator lamp HL2 in series is connected with the live wire L, and the other end of the series circuit is connected with the zero line N.
Further, in order that the solenoid valve is still in an open state and the pump is still in an activated state when the activation button SB2 is pressed under the condition that the solenoid valve is opened and the pump is activated in the manual state, the normally open contact 6-2 of the relay KA is connected in parallel with the activation button SB 2.
After the technical scheme is adopted, the utility model discloses following beneficial effect has:
1. the utility model discloses install pump and solenoid valve on main pipeline, control whether to carry high temperature liquid from the preparation jar to the holding vessel through the cooperation of pump and solenoid valve, the solenoid valve is easily opened, has removed the trouble that personnel used spanner instrument operation on the scene from, has both improved switching efficiency, avoids personnel to be scalded again;
2. the utility model controls the action of the electromagnetic valve and the pump at proper time through the cooperation of the control circuit and the first liquid level sensor SQ1 and the second liquid level sensor SQ2, thereby avoiding the trouble of manual operation and having high automation degree;
3. the control circuit of the utility model adopts an electrical control mode, which is safe and scientific, can effectively save resources and is more beneficial to market application;
4. the utility model discloses still have the solenoid valve and open unusual indicating circuit and the solenoid valve closes unusual indicating circuit, staff can in time know when the solenoid valve is unusual, and then in time make corresponding measure.
Drawings
FIG. 1 is a schematic structural diagram of a conventional high-temperature liquid delivery device;
FIG. 2 is a schematic structural view of the high-temperature liquid conveying apparatus of the present invention;
fig. 3 is a schematic block diagram of the control circuit of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 2 and 3, a high-temperature liquid delivery apparatus includes:
a manufacturing tank 1 for preparing high-temperature liquid;
a storage tank 2 for storing a high-temperature liquid;
the high-temperature liquid pump comprises a main conveying pipeline 3, wherein one end of the main conveying pipeline 3 is communicated with a manufacturing tank 1, the other end of the main conveying pipeline is communicated with a storage tank 2, an electromagnetic valve 4 used for controlling the on-off of the main conveying pipeline 3 and a pump 5 used for pumping high-temperature liquid in the manufacturing tank 1 to the storage tank 2 when the electromagnetic valve 4 is opened are installed on the main conveying pipeline 3.
Specifically, the utility model discloses installation pump 5 and solenoid valve 4 on main pipeline 3, whether come control from preparation jar 1 toward carrying high temperature liquid in the storage jar 3 through pump 5 and solenoid valve 4's cooperation, solenoid valve 4 easily opens, has removed the trouble that personnel's field usage spanner instrument operated from, has both improved switching efficiency, avoids personnel to be scalded again.
As shown in fig. 2 and 3, the high-temperature liquid transfer device further includes:
a first level sensor SQ1 adapted to measure the level of liquid in the production tank 1;
a second level sensor SQ2 adapted to measure the level of the liquid in the tank 2;
the control circuit is respectively connected with the first liquid level sensor SQ1, the second liquid level sensor SQ2, the electromagnetic valve 4 and the pump 5, and is suitable for controlling the electromagnetic valve 4 to be opened and the pump 5 to be started when the liquid level sent by the first liquid level sensor SQ1 is higher than a first set value and the liquid level sent by the second liquid level sensor SQ2 is lower than a second set value; and
when the liquid level sent by the first liquid level sensor SQ1 is lower than a first set value or the liquid level sent by the second liquid level sensor SQ2 is higher than a second set value, the electromagnetic valve 4 is controlled to be closed, and the pump 5 is controlled to be stopped.
Specifically, the utility model discloses a control circuit and first level sensor SQ1, second level sensor SQ 2's cooperation is in the action of suitable opportunity control solenoid valve 4 and pump 5, has removed manual operation's trouble from, and degree of automation is high.
As shown in fig. 2, the high temperature liquid transporting apparatus further includes a flow meter 6 installed on the main transporting pipe 3 and measuring a flow rate of the liquid passing therethrough.
As shown in fig. 2, in order to use another channel to transport high-temperature liquid in case of abnormality of the main transport pipe 3, the high-temperature liquid transport apparatus further includes an auxiliary transport pipe 7, one end of the auxiliary transport pipe 7 is communicated with the preparation tank 1, the other end is communicated with the storage tank 2, and a manual valve 8 for controlling on-off of the auxiliary transport pipe 7 is installed on the auxiliary transport pipe 7.
In particular, the original system remains as a backup.
As shown in fig. 3, the control circuit comprises contacts 2-3 of a first level sensor SQ1, contacts 3-4 of a second level sensor SQ2, a relay KA and a contactor KM; wherein the content of the first and second substances,
the first liquid level sensor SQ1 is used for controlling the on-off of the contact 2-3, controlling the contact 2-3 to be closed when the liquid level measured by the first liquid level sensor is higher than a first set value, and controlling the contact 2-3 to be opened when the liquid level measured by the first liquid level sensor is lower than the first set value;
the second liquid level sensor SQ2 is used for controlling the on-off of the contact 3-4, controlling the contact 3-4 to be closed when the liquid level measured by the second liquid level sensor is lower than a second set value, and controlling the contact 3-4 to be opened when the liquid level measured by the second liquid level sensor is higher than the second set value;
one end of a series circuit formed by connecting the contacts 2-3, the contacts 3-4 and the coil of the relay KA in series is connected with the live wire L, the other end of the series circuit is connected with the zero line N, a normally open contact of the relay KA is connected with the coil of the electromagnetic valve 4 to serve as a control switch of the electromagnetic valve 4, and therefore when the contacts 2-3 and the contacts 3-3 are closed simultaneously, the relay KA is electrified and closed to enable the electromagnetic valve 4 to be opened;
one end of a series circuit formed by serially connecting the normally open contacts 1-7 of the relay KA and the coil of the contactor KM is connected with the live wire L, the other end of the series circuit is connected with the zero wire N, and one normally open contact of the contactor KM is connected with the pump 5 to be used as a control switch of the pump 5 so as to control the pump 5 to be started when the relay KA is electrified and sucked.
As shown in fig. 3, in order to manually control the operation of the high-temperature liquid delivery device, the control circuit further comprises a manual automatic switch SA, a start button SB2 and a stop button SB 1; wherein the content of the first and second substances,
the starting button SB2 is a normally open contact, and the stopping button SB1 is a normally closed contact;
a normally closed contact 1-2 of the manual automatic switch SA is connected in series in a series circuit formed by connecting a contact 2-3, a contact 3-4 and a coil of the relay KA in series;
a series circuit formed by connecting a normally open contact 1-5, a start button SB2 and a stop button SB1 of the manual automatic switch SA in series is connected with a normally closed contact 1-2 in parallel.
As shown in fig. 3, in order to facilitate the knowledge of whether the control circuit is in the manual state or the automatic state, the high-temperature liquid conveying device further includes an operating state indicator HL3, one end of a series circuit formed by connecting the operating state indicator HL3 and the normally closed contacts 1-11 of the manual automatic switch SA in series is connected with the live wire L, and the other end is connected with the neutral wire N.
As shown in fig. 3, in order that after the relay KA is powered on and closed, when the electromagnetic valve 4 is not opened or is not opened in place, a worker can know to take measures conveniently, the high-temperature liquid conveying device further comprises an electromagnetic valve opening abnormity indicating circuit, and the electromagnetic valve opening abnormity indicating circuit comprises:
a solenoid valve open-in-place sensor SQ3 for detecting whether the solenoid valve 4 is open in place, wherein the solenoid valve open-in-place sensor SQ3 is adapted to detect that the solenoid valve 4 is open in place to control the normally closed contacts 7-8 thereof to be opened;
the relay comprises a delay relay T1, wherein one end of a series circuit formed by serially connecting a coil of the delay relay T1, a normally closed contact 7-8 and a normally open contact 1-7 of a relay KA is connected with a live wire L, and the other end of the series circuit is connected with a zero line N;
an electromagnetic valve opening abnormity indicator lamp HL1, a series circuit formed by connecting a normally open contact 1-7 of the relay KA, a normally open contact of the time delay relay T1 and an electromagnetic valve opening abnormity indicator lamp HL1 in series has one end connected with a live wire L and the other end connected with a zero wire N.
As shown in fig. 3, in order to make the staff aware of taking measures when the solenoid valve 4 is not closed or closed in place after the relay KA is disconnected due to power loss, the high-temperature liquid delivery device further includes a solenoid valve closing abnormality indicating circuit, which includes:
a solenoid valve closing in-place sensor SQ4 for detecting whether the solenoid valve 4 is closed in place, the solenoid valve closing in-place sensor SQ4 being adapted to detect that the solenoid valve 4 is closed in place to control the normally closed contacts 9-10 thereof to open;
the relay comprises a delay relay T2, wherein one end of a series circuit formed by connecting a coil of the delay relay T2, normally closed contacts 9-10 and normally closed contacts 1-9 of a relay KA in series is connected with a live wire L, and the other end of the series circuit is connected with a zero wire N;
an electromagnetic valve closing abnormity indicator lamp HL2, one end of a series circuit formed by connecting a normally closed contact 1-9 of the relay KA, a normally open contact of the time delay relay T2 and the electromagnetic valve closing abnormity indicator lamp HL2 in series is connected with the live wire L, and the other end of the series circuit is connected with the zero line N.
In the present embodiment, the solenoid valve 4 is a solenoid valve with switch detection, and the normally closed contacts 7-8 and the normally closed contacts 9-10 are parts of the solenoid valve.
As shown in fig. 3, in order to press the start button SB2 when the solenoid valve 4 is opened and the pump 5 is started in the manual state, the solenoid valve 4 is still in the open state and the pump 5 is still in the start state, the normally open contact 6-2 of the relay KA is connected in parallel with the start button SB 2.
In this embodiment, when manual automatic switch SA was located automatic state in the production, manual automatic switch SA's normally closed contact 1-11 was closed, operating condition pilot lamp HL3 is bright, when the liquid level in preparation jar 1 was located high liquid level and the liquid level in storage jar 2 was located low liquid level, first level sensor SQ 1's contact 2-3 and second level sensor SQ 2's contact 3-4 were all closed, relay KA gets electric actuation, solenoid valve 4 gets electric opening, relay KA's normally open contact 1-7 is closed simultaneously, contactor KM gets electric actuation, then pump 5 starts, high temperature liquid passes through main pipeline 3 from preparation jar 1, through pump 5, flowmeter 6 carries in the storage jar 2.
When the liquid level in the storage tank 2 is at a high liquid level, the contact 3-4 of the second liquid level sensor SQ2 is disconnected, the relay KA is disconnected, the electromagnetic valve 4 is powered off and closed, meanwhile, the normally open contact 1-7 of the relay KA is disconnected, the contactor KM is disconnected, and the pump 5 stops.
When the liquid level in the manufacturing tank 1 is at a low liquid level, the contact 2-3 of the first liquid level sensor SQ1 is disconnected, the relay KA is disconnected, the electromagnetic valve 4 is powered off and closed, meanwhile, the normally open contact 1-7 of the relay KA is disconnected, the contactor KM is disconnected, the pump 5 is stopped, the pump 5 is prevented from being pumped out, and the function of protecting the pump 5 is achieved.
When the relay KA is electrified for actuation, if the electromagnetic valve 4 is not opened or is not opened in place, the electromagnetic valve opening in place sensor SQ3 does not detect that the electromagnetic valve 4 is opened in place, the normally closed contact 7-8 is still connected, the time delay relay T1 is electrified for starting timing, actuation is carried out after the set time is 3 seconds, the normally open contact is closed, the electromagnetic valve opening abnormity indicator lamp HL1 is on, and the electromagnetic valve 4 is detected to be not opened or not closed in place.
After the relay KA is disconnected, if the electromagnetic valve 4 is not closed or closed in place, the electromagnetic valve closing in place sensor SQ4 does not detect that the electromagnetic valve 4 is closed in place, the normally closed contact 9-10 is still connected, the time delay relay T2 is electrified to start timing, the electromagnetic valve is attracted after the set time is 3 seconds, the normally open contact is closed, the electromagnetic valve closing abnormity indicator lamp HL1 is on, and the electromagnetic valve 4 is detected not closed or closed in place.
When the manual automatic switch SA is in an automatic state in production, normally open contacts 1-5 of the manual automatic switch SA are closed, normally closed contacts 1-11 of the manual automatic switch SA are opened, a working state indicator lamp HL3 is not lighted, when contacts 2-3 of a first liquid level sensor SQ1 and contacts 3-4 of a second liquid level sensor SQ2 are closed, an operator presses a starting button SB2 through operating an upper computer, a relay KA is attracted, an electromagnetic valve 4 is electrified and opened, a contactor KM is electrified and attracted, a pump 5 is started, high-temperature liquid is conveyed to a storage tank 2 from a manufacturing tank 1 through a main conveying pipeline 3, passes through the pump 5 and a flowmeter 6, and is disconnected when the operator presses a stopping button SB1, the relay KA is disconnected, the electromagnetic valve 4 is closed, the contactor KM is disconnected, and the pump 5 stops working.
The utility model discloses a control circuit adopts electrical control's mode, and this kind of mode safety science can effective resources are saved, more do benefit to the market and use.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. A high-temperature liquid conveying device is characterized in that,
it includes:
a manufacturing tank (1) for preparing high temperature liquid;
a storage tank (2) for storing a high-temperature liquid;
main pipeline (3), the one end and the preparation jar (1) of main pipeline (3) are linked together, and the other end is linked together with storage jar (2), install solenoid valve (4) that are used for controlling its break-make on main pipeline (3) and be used for taking out the high temperature liquid in preparation jar (1) to pump (5) of storage jar (2) when solenoid valve (4) are opened.
2. A high temperature liquid transfer device according to claim 1,
further comprising:
a first level sensor SQ1 adapted to measure the level of liquid in the production tank (1);
a second level sensor SQ2 adapted to measure the level of the liquid in the tank (2);
the control circuit is respectively connected with the first liquid level sensor SQ1, the second liquid level sensor SQ2, the electromagnetic valve (4) and the pump (5), and is suitable for controlling the electromagnetic valve (4) to be opened and the pump (5) to be started when the liquid level sent by the first liquid level sensor SQ1 is higher than a first set value and the liquid level sent by the second liquid level sensor SQ2 is lower than a second set value; and
when the liquid level sent by the first liquid level sensor SQ1 is lower than a first set value or the liquid level sent by the second liquid level sensor SQ2 is higher than a second set value, the electromagnetic valve (4) is controlled to be closed, and the pump (5) is stopped.
3. A high temperature liquid transfer device as claimed in claim 1, wherein: also comprises a flow meter (6) mounted on the main conveying pipe (3) and used for measuring the liquid flow passing through the main conveying pipe.
4. A high temperature liquid transfer device as claimed in claim 1, wherein: the device is characterized by further comprising an auxiliary conveying pipeline (7), wherein one end of the auxiliary conveying pipeline (7) is communicated with the manufacturing tank (1), the other end of the auxiliary conveying pipeline is communicated with the storage tank (2), and a manual valve (8) for controlling the auxiliary conveying pipeline (7) to be switched on and off is installed on the auxiliary conveying pipeline.
5. A high-temperature liquid transfer device according to claim 2, wherein: the control circuit comprises contacts 2-3 of a first liquid level sensor SQ1, contacts 3-4 of a second liquid level sensor SQ2, a relay KA and a contactor KM; wherein the content of the first and second substances,
the first liquid level sensor SQ1 is used for controlling the on-off of the contact 2-3, controlling the contact 2-3 to be closed when the liquid level measured by the first liquid level sensor is higher than a first set value, and controlling the contact 2-3 to be opened when the liquid level measured by the first liquid level sensor is lower than the first set value;
the second liquid level sensor SQ2 is used for controlling the on-off of the contact 3-4, controlling the contact 3-4 to be closed when the liquid level measured by the second liquid level sensor is lower than a second set value, and controlling the contact 3-4 to be opened when the liquid level measured by the second liquid level sensor is higher than the second set value;
one end of a series circuit formed by connecting the contact 2-3, the contact 3-4 and a coil of the relay KA in series is connected with the live wire L, the other end of the series circuit is connected with the zero line N, a normally open contact of the relay KA is connected with the coil of the electromagnetic valve (4) to be used as a control switch of the electromagnetic valve (4), so that when the contact 2-3 and the contact 3-3 are closed simultaneously, the relay KA is electrified and closed to open the electromagnetic valve (4);
one end of a series circuit formed by serially connecting the normally open contacts 1-7 of the relay KA and the coil of the contactor KM is connected with the live wire L, the other end of the series circuit is connected with the zero wire N, one normally open contact of the contactor KM is connected with the pump (5) to be used as a control switch of the pump (5), and therefore the pump (5) is controlled to be started when the relay KA is electrified and sucked.
6. A high temperature liquid transfer device according to claim 5, wherein: the control circuit also comprises a manual automatic switch SA, a starting button SB2 and a stopping button SB 1; wherein the content of the first and second substances,
the starting button SB2 is a normally open contact, and the stopping button SB1 is a normally closed contact;
a normally closed contact 1-2 of the manual automatic switch SA is connected in series in a series circuit formed by connecting a contact 2-3, a contact 3-4 and a coil of the relay KA in series;
a series circuit formed by connecting a normally open contact 1-5, a start button SB2 and a stop button SB1 of the manual automatic switch SA in series is connected with a normally closed contact 1-2 in parallel.
7. A high temperature liquid transfer device as claimed in claim 6, wherein: the automatic switch is characterized by further comprising a working state indicator lamp HL3, wherein one end of a series circuit formed by connecting the working state indicator lamp HL3 and the normally closed contacts 1-11 of the manual automatic switch SA in series is connected with the live wire L, and the other end of the series circuit is connected with the zero line N.
8. A high temperature liquid transfer device according to claim 5, wherein: still include the solenoid valve and open unusual indicating circuit, the solenoid valve opens unusual indicating circuit and includes:
a solenoid valve open-in-place sensor SQ3 for detecting whether the solenoid valve (4) is open in place, wherein the solenoid valve open-in-place sensor SQ3 is suitable for detecting that the solenoid valve (4) is open in place to control the normally closed contact 7-8 thereof to be opened;
the relay comprises a delay relay T1, wherein one end of a series circuit formed by serially connecting a coil of the delay relay T1, a normally closed contact 7-8 and a normally open contact 1-7 of a relay KA is connected with a live wire L, and the other end of the series circuit is connected with a zero line N;
an electromagnetic valve opening abnormity indicator lamp HL1, a series circuit formed by connecting a normally open contact 1-7 of the relay KA, a normally open contact of the time delay relay T1 and an electromagnetic valve opening abnormity indicator lamp HL1 in series has one end connected with a live wire L and the other end connected with a zero wire N.
9. A high temperature liquid transfer device according to claim 5, wherein: still include the solenoid valve and close unusual indicating circuit, the unusual indicating circuit of solenoid valve closure includes:
a solenoid valve closing in-place sensor SQ4 for detecting whether the solenoid valve (4) is closed in place, wherein the solenoid valve closing in-place sensor SQ4 is suitable for detecting that the solenoid valve (4) is closed in place to control the normally closed contact 9-10 thereof to be opened;
the relay comprises a delay relay T2, wherein one end of a series circuit formed by connecting a coil of the delay relay T2, normally closed contacts 9-10 and normally closed contacts 1-9 of a relay KA in series is connected with a live wire L, and the other end of the series circuit is connected with a zero wire N;
an electromagnetic valve closing abnormity indicator lamp HL2, one end of a series circuit formed by connecting a normally closed contact 1-9 of the relay KA, a normally open contact of the time delay relay T2 and the electromagnetic valve closing abnormity indicator lamp HL2 in series is connected with the live wire L, and the other end of the series circuit is connected with the zero line N.
10. A high temperature liquid transfer device as claimed in claim 6, wherein: the normally open contact 6-2 of the relay KA is connected in parallel with the start button SB 2.
CN202020138055.XU 2020-01-20 2020-01-20 High-temperature liquid conveying device Active CN211770266U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020138055.XU CN211770266U (en) 2020-01-20 2020-01-20 High-temperature liquid conveying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020138055.XU CN211770266U (en) 2020-01-20 2020-01-20 High-temperature liquid conveying device

Publications (1)

Publication Number Publication Date
CN211770266U true CN211770266U (en) 2020-10-27

Family

ID=72904676

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020138055.XU Active CN211770266U (en) 2020-01-20 2020-01-20 High-temperature liquid conveying device

Country Status (1)

Country Link
CN (1) CN211770266U (en)

Similar Documents

Publication Publication Date Title
CN211770266U (en) High-temperature liquid conveying device
CN215065566U (en) Gas detection and collection device for gas gathering body in gas relay
CN104317324A (en) Acidification PH value automatic monitoring control device
CN102650859B (en) Intelligent control system and control method of ultra-pure water dispenser
CN208596058U (en) A kind of reaction kettle analytical sampling device
CN201215216Y (en) Leakage-proof intelligent valve
CN209280699U (en) A kind of water sample switching device of water quality on-line monitoring instrument device
CN203553721U (en) Monitoring device for heating tape of tank type breaker
CN105295964A (en) Coke oven crude gas discharge control system and method
CN202421816U (en) Online monitoring control system for condensed water recovery of steam boiler
CN205475448U (en) Real empty can automatic water supply exhaust apparatus
CN205046045U (en) Coke oven crude gas diffuses control system
CN202221662U (en) Safety control and alarm system used for post-treatment corrosion test of spent fuel
CN201526470U (en) Vacuum water-inducing control device Centrifugal pump
CN104832419A (en) Water pump testing system
CN204807564U (en) Intelligence sample preprocessor
CN103742751B (en) Mobile automatic unfreezing device
CN204646625U (en) A kind of water pump testing system
CN108545096A (en) A kind of double-tower dryer Working state monitoring device and monitoring method
CN216647161U (en) Safe auxiliary device of unloading
CN215061200U (en) Detectable electromagnetic valve
CN217131246U (en) Boiler water replenishing device
CN208848096U (en) A kind of water level limits device
CN210831447U (en) Full-automatic gas collection and exhaust device of large-scale cold and hot water system
CN110388314B (en) Nuclear power station radioactive wastewater filtering equipment and control device thereof

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant