CN206392542U - The purging system of fixed airborne calorifier - Google Patents
The purging system of fixed airborne calorifier Download PDFInfo
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- CN206392542U CN206392542U CN201621385058.3U CN201621385058U CN206392542U CN 206392542 U CN206392542 U CN 206392542U CN 201621385058 U CN201621385058 U CN 201621385058U CN 206392542 U CN206392542 U CN 206392542U
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Abstract
The utility model belongs to calorifier cleaning equipment technical field.For the difficult technical problem of the solution cleaning that calorifier is present in the prior art there is provided a kind of for the purging system of the fixed airborne calorifier cleaned on aircraft.It includes cleaning device；The cleaning device includes the first liquid-transport pipe-line, the second liquid-transport pipe-line, the 3rd liquid-transport pipe-line, centrifugal pump, filtered water tank, scale removal case and collection box；One end of the centrifugal pump is connected with one end of the first liquid-transport pipe-line；The outside of first liquid-transport pipe-line is connected with filtered water tank by the first valve；The other end of first liquid-transport pipe-line is connected by the second valve with one end of scale removal case；The other end of the scale removal case is connected by the 3rd valve with one end of the second liquid-transport pipe-line；The outside of second liquid-transport pipe-line is connected by the 4th valve with collection box；The other end of the centrifugal pump is connected with one end of the 3rd liquid-transport pipe-line.The utility model is simple to operate, and cleaning performance is good, and cleaning efficiency is high, realizes automation cleaning.
Description
Technical field
The utility model belongs to calorifier cleaning equipment technical field, and in particular to a kind of fixation for cleaning on aircraft
The purging system of the airborne calorifier of formula.
Background technology
The fixed airborne calorifier of outfit is typically necessary on aircarrier aircraft, with hot-water supply.But, due to calorifier
Container inner wall can be stained with the incrustation scale of thicker calcium ions and magnesium ions precipitation after a long time use, cause the reduction of the calorifier efficiency of heating surface,
Vessel volume diminishes, and influences using effect.To ensure to generally require using water quality to clear up incrustation scale.And the calorifier is often
It is difficult to dismantle, it is very difficult to clean.At present, civil aviation locomotive personnel take fixed airborne calorifier the side of artificial dismounting cleaning
Formula, but its dismounting difficulty is big, and required man-hour is longer, and cleannes qualification rate is low after cleaning；Influence for water quality is larger；And
Manual cleaning, time and effort consuming, inefficiency, the workload of staff is big, is inconvenient.
Utility model content
The purpose of this utility model is that solve technical problem present in above prior art operates letter there is provided one kind
Single, cleaning performance is good, the purging system of the high fixed airborne calorifier of cleaning efficiency.
The purpose of this utility model is achieved through the following technical solutions：
A kind of purging system of fixed airborne calorifier, including cleaning device；The cleaning device includes the first transfusion
Pipeline, the second liquid-transport pipe-line, the 3rd liquid-transport pipe-line, centrifugal pump, filtered water tank, scale removal case and collection box；One end of the centrifugal pump
It is connected with one end of the first liquid-transport pipe-line；The outside of first liquid-transport pipe-line is connected with filtered water tank by the first valve；It is described
The other end of first liquid-transport pipe-line is connected by the second valve with one end of scale removal case；The other end of the scale removal case passes through the 3rd
Valve is connected with one end of the second liquid-transport pipe-line；The outside of second liquid-transport pipe-line is connected by the 4th valve with collection box；
The other end of the centrifugal pump is connected with one end of the 3rd liquid-transport pipe-line.
Further improve is that first valve includes the first magnetic valve and the first check valve；First woven hose
The first magnetic valve, the first check valve is passed sequentially through on the outside of road with filtered water tank to be connected.
Further improve is that second valve includes the second magnetic valve and the second check valve；Second woven hose
The other end in road passes sequentially through the second magnetic valve, the second check valve and is connected with one end of scale removal case.
Further improve is that the 3rd valve is the 3rd magnetic valve；The other end of the scale removal case passes through the 3rd electricity
Magnet valve is connected with one end of the second liquid-transport pipe-line.
Further improve be, the 4th valve is the 4th magnetic valve, and the outside of second liquid-transport pipe-line passes through the
Four magnetic valves are connected with collection box.
Further improve is that first liquid-transport pipe-line and the 3rd liquid-transport pipe-line are connected by the 5th valve.
Further improve is that the filtered water tank is provided with the first blowoff valve；The scale removal case is provided with the second blowoff valve；
The collection box is provided with the 3rd blowoff valve.
Further improve is, in addition to circuit control system, and the circuit control system includes relay and switch；
The relay include the first auxiliary reclay, the second auxiliary reclay, the 3rd auxiliary reclay, in the middle of the 4th after
Electrical equipment, very first time relay, second time relay；
First auxiliary reclay includes the first normally opened contact and first coil；
Second auxiliary reclay includes the second normally opened contact one, the second normally opened contact two, the second normally-closed contact and the
Two coil；
3rd auxiliary reclay includes the 3rd normally opened contact one, the 3rd normally opened contact two, the 3rd normally opened contact three, the
Three normally-closed contacts and tertiary coil；
4th auxiliary reclay includes the 4th normally opened contact and the 4th coil；
The very first time relay includes the 5th normally-closed contact, the 5th normally opened contact and the 5th coil；
Second time relay includes the 6th normally-closed contact and the 6th coil；
The switch includes first switch, second switch, third switch；The second switch include the second normal open switch and
Second normally closed switch；
Two ends after centrifugal pump is connected with the first normally opened contact one are connected with the two ends of power supply respectively；
Second magnetic valve and the 3rd magnetic valve parallel with one another connected with the second normally opened contact one after two ends respectively with electricity
The two ends connection in source；
First magnetic valve and the 4th magnetic valve parallel with one another connected with the 3rd normally opened contact one after two ends respectively with electricity
The two ends connection in source；
Second coil, the 3rd normally-closed contact, the 5th normally-closed contact, first switch be sequentially connected in series after two ends respectively with power supply
Two ends connection；
On second normal open switch and the two ends being connected in after the 5th normally-closed contact and first switch series connection；
4th normally opened contact is in parallel with first switch；
Second normally closed switch, the 6th normally-closed contact, the 4th coil be sequentially connected in series afterwards be sequentially connected in series the second coil, the 3rd
Normally-closed contact, the 5th normally-closed contact, first switch are in parallel, and the second normally closed switch is connected close to one end of the 5th normally-closed contact
On, the 4th coil is connected close on one end of the second coil；
5th coils from parallel connection of coils is on the two ends after the 4th coil and the series connection of the 6th normally-closed contact；
6th coil connected with the 3rd normally opened contact two after with the 5th coils from parallel connection of coils；
5th normally opened contact, the second normally-closed contact, tertiary coil are sequentially connected in series normal with the 6th coil connected and the 3rd afterwards
The parallel connection of contact two is opened, the 5th normally opened contact portion is on one end of the 3rd normally opened contact two, and tertiary coil is connected close to
On one end of 6th coil；
It is described 3rd switch one end be connected between the 5th normally opened contact and the second normally-closed contact, the 3rd switch it is another
End, which is connected to, to be connected with one end of the power supply of first switch；
First coil is connected with the two ends of power supply respectively after being connected with the second normally opened contact two；
3rd normally opened contact three is in parallel with the second normally opened contact two.
Further improve is, in addition to the 4th switch；The circuit control system is connected in parallel on after being connected with the 4th switch
On power supply.
Further improve be, the circuit control system, in addition to the first signal lamp, secondary signal indicator lamp and
3rd signal lamp；First signal lamp with connect after first coil and the second normally opened contact two it is in parallel；It is described
Secondary signal indicator lamp is connected in parallel on the second coil；3rd signal lamp is connected in parallel on tertiary coil.
The utility model is relative to the beneficial effect of prior art：
1st, the purging system of fixed airborne calorifier of the present utility model uses centrifugal pump for power source, using pickling work
Make process and the washing course of work cleaned to calorifier, and realize by circuit control system the automation of cleaning process,
Artificial dismounting is taken to clean the dismounting difficulty existed greatly so as to solve fixed airborne calorifier, required man-hour is longer, after cleaning
Cleannes qualification rate is low；Influence for water quality is larger；Time and effort consuming, inefficiency, the big skill of the workload of staff
Art problem.
2nd, the cleaning device of the purging system of fixed airborne calorifier of the present utility model, using the 5th valve with
Centrifugal pump is connected in parallel, so that the fluid pressure suffered by scattered centrifugal pump is played, so as to play a part of protecting centrifugal pump.
3rd, the purging system of fixed airborne calorifier of the present utility model, adds respectively in the outlet of filtered water tank and scale removal case
Check valve is filled, after can preventing that magnetic valve is bad, the liquid of filtered water tank and scale removal case is mutually flowed so as to pollute the liquid in respective case,
Each bottom portion is designed with blowoff valve, is easy to equipment is daily to keep a public place clean and safeguard.
4th, the circuit control system of the purging system of fixed airborne calorifier of the present utility model uses a variety of cleaning moulds
Formula, manual pickling pattern, manual water mold cleaning formula and automatic pickling-washing pattern, and being mutually combined by above several modes
Using the optimal cleaning performance to calorifier is reached, so that raising operating efficiency is realized, so as to reduce fixed calorifier
Dismounting rate, extend calorifier service life.
Brief description of the drawings
The structural representation of Fig. 1 cleaning devices of the present utility model.
The circuit theory diagrams of the circuit control system of Fig. 2 control cleaning device operations of the present utility model.
The circuit diagram of the circuit control system of Fig. 3 control cleaning device operations of the present utility model.
Wherein, corresponding reference is in accompanying drawing, the liquid-transport pipe-lines of 1- first, the liquid-transport pipe-lines of 2- second, the electromagnetism of 3- first
Valve, the check valves of 4- first, the magnetic valves of 5- second, the check valves of 6- second, the magnetic valves of 7- the 3rd, the magnetic valves of 8- the 4th, 9- scale removal casees,
10- collection boxes, 11- filtered water tanks, 12- centrifugal pumps, the valves of 13- the 5th, 14- pressure transmitters, the liquid-transport pipe-lines of 15- the 3rd, 16-
One blowoff valve, the blowoff valves of 17- second, the blowoff valves of 18- the 3rd, 19- outlet ends, 20- liquid feeding ends, 21- secondary meters, QF1- air
Switch, the auxiliary reclays of KM1- first；In the middle of the auxiliary reclays of KM2- second, the auxiliary reclays of KM3- the 3rd, KA1- the 4th after
Electrical equipment, KT1- very first time relays, the time relays of KT2- second, SB1- first switches, SB2- second switches, SB3- the 3rd
Switch, SA1- the 4th is switched, the signal lamps of EL1- first, EL2- secondary signal indicator lamps, the signal lamps of EL3- the 3rd.
Embodiment
The technical solution of the utility model is described in detail below in conjunction with drawings and examples, so that this area
Technical staff can be sufficiently complete on the basis of the utility model book has been read realize the technical solution of the utility model, and
Solve problems of the prior art to be solved in the utility model.It should be noted that following is only the utility model
Preferred embodiment, for the person of ordinary skill of the art, do not departing from the utility model create design premise
Under, various modifications and improvements can be made, these should belong to protection domain of the present utility model.
Technical characteristic of the present utility model can be mutually combined, and its technical scheme obtained after combining still falls within this practicality
New protection domain.
Embodiment
As shown in Figure 1, a kind of purging system of fixed airborne calorifier, including cleaning device；The cleaning device
Including the first liquid-transport pipe-line 1, the second liquid-transport pipe-line 2, the 3rd liquid-transport pipe-line 15, centrifugal pump 12, filtered water tank 11, scale removal case 9 and return
Receive case 10；One end of the centrifugal pump 12 is connected with one end of the first liquid-transport pipe-line 1；The outside of first liquid-transport pipe-line 1 with
Filtered water tank 11 is connected by the first valve；One end that the other end of first liquid-transport pipe-line 1 passes through the second valve and scale removal case 9
It is connected；The other end of the scale removal case 9 is connected by the 3rd valve with one end of the second liquid-transport pipe-line 2；Second woven hose
The outside in road 2 is connected by the 4th valve with collection box 10；The other end of the centrifugal pump 12 and the one of the 3rd liquid-transport pipe-line 15
End is connected.
As shown in figure 1, one end of centrifugal pump 12 is connected with one end of the first liquid-transport pipe-line 1；Centrifugal pump 12 is defeated by first
The first magnetic valve 3 and the first check valve 4 that the outside in liquid pipe road 1 passes sequentially through the first valve are connected with filtered water tank 11；First is defeated
The second magnetic valve 5 and the second check valve 6 that the other end in liquid pipe road 1 passes sequentially through the second valve are connected with scale removal case 9；Centrifugation
The other end of pump 12 is connected with the 3rd liquid-transport pipe-line 15, and the 3rd liquid-transport pipe-line 15 is provided with pressure transmitter 14；Liquid feeding end 20 with
3rd liquid-transport pipe-line 15 is communicated；The other end of scale removal case 9 passes through the 3rd magnetic valve 7 of the 3rd valve and the second liquid-transport pipe-line 2
One end is connected；The outside of second liquid-transport pipe-line 2 is connected by the 4th magnetic valve 8 with collection box 10；Outlet end 19 and second is infused
The other end of pipeline 2 is communicated；The outlet end 19 and the phase of liquid feeding end 20 of outlet end 19 and liquid feeding end 20 respectively with calorifier when using
Connection.Clear water and pickle are added into filtered water tank and scale removal case respectively using preceding；Preferably, the pickle using oxalic acid and
Water presses 1:5 weight than being prepared, it is well mixed after use.
Further improve is that first valve includes the first magnetic valve 3 and the first check valve 4；First transfusion
The outside of pipeline 1 passes sequentially through the first magnetic valve 3, the first check valve 4 and is connected with filtered water tank 11.
Further improve is that second valve includes the second magnetic valve 5 and the second check valve 6；Second transfusion
The other end of pipeline 2 passes sequentially through the second magnetic valve 5, the second check valve 6 and is connected with one end of scale removal case 9.
Further improve is that the 3rd valve is the 3rd magnetic valve 7；The other end of the scale removal case 9 passes through the 3rd
Magnetic valve 7 is connected with one end of the second liquid-transport pipe-line 2.
Further improve is that the 4th valve is the 4th magnetic valve 8, and the outside of second liquid-transport pipe-line 2 passes through
4th magnetic valve 8 is connected with collection box 10.
As shown in figure 1, the first check valve 4, the second check valve 6 can prevent occurring in the first magnetic valve 3 and the second magnetic valve 5
In the case of damage, the mutual flowing of scale removal case 9 and the liquid in filtered water tank 11 pollutes the liquid in respective water tank, so as to lead
Cause cleaning performance reduction.
As shown in figure 1, preferably in filtered water tank 11, scale removal case 9 uses multiple magnetic valves on collection box 10, is easy to follow-up
Control system be controlled so that preferably realize automation cleaning, improve operating efficiency, convenient use.
Further improve is that first liquid-transport pipe-line 1 is connected with the 3rd liquid-transport pipe-line 15 by the 5th valve 13.
As shown in figure 1, the 5th valve 13 and being connected in the two ends of centrifugal pump 11.Preferably, the 5th valve 13 is ball
Valve., can be by the way that the 5th valve 13 be opened into reduction pressure, to rise when the fluid pressure produced from the first liquid-transport pipe-line 1 is higher
To the effect of protection centrifugal pump 11；But also regulation the first liquid-transport pipe-line 1, pressure in the 3rd liquid-transport pipe-line 15 can be played
Effect, so that the operation of whole device is safer, increases the service life.
Further improve is that the filtered water tank 11 is provided with the first blowoff valve 16；The scale removal case 9 is provided with second row
Dirty valve 17；The collection box 10 is provided with the 3rd blowoff valve 18.
As shown in figure 1, by set respectively in the bottom of filtered water tank 11, scale removal case 9 and collection box 10 first blowoff valve 16,
The sewage that second blowoff valve 17, the 3rd blowoff valve 18 are produced after cleaning is finished is discharged, convenient use and maintenance.
Preferably, the 3rd liquid-transport pipe-line 15 is provided with pressure transmitter 14, for measuring the pressure in the 3rd liquid-transport pipe-line 15
Power, is easy to that the 5th valve 13 is adjusted according to actual conditions, so as to ensure the balance of the pressure in whole cleaning device.
As shown in Fig. 2 giving the circuit control principle figure of the control cleaning device operation of the present embodiment.Cleaning device
Working condition is divided into two courses of work of pickling and washing, and passage time relay controls its scavenging period respectively.It is wherein sour
Wash the course of work and use effect of the pickle in endless form, scale removal case 9 by centrifugal pump 11, pickle is passed through scale removal case
9 the second check valve 6, the second magnetic valve 5 pass through the first liquid-transport pipe-line 1 and entered in centrifugal pump 11；Pass through the effect of centrifugal pump again
Entered by liquid feeding end 20 and cleaned in calorifier, then by the second liquid-transport pipe-line 2 pass through the by the outlet end 19 of calorifier
Three magnetic valves 7 are returned in scale removal case 9, are completed an acid cleaning process, are circulated the process and repeatedly complete pickling；The acid cleaning process can lead to
Manually and automatically both of which is crossed to realize.
The washing course of work is finally flowed back to by the way of collection box 10 using being flowed out by clear water from filtered water tank 11, is cleaned.
When washing starts, clear water is entered from filtered water tank 11 by the first check valve 4, the first magnetic valve 3 by the first liquid-transport pipe-line 1 to be centrifuged
Pump 11, enters calorifier by the liquid-transport pipe-line 15 of centrifugal pump 11 and the 3rd and cleans, then entered by outlet end 19, the 4th magnetic valve 8
Enter and cleaning is completed in collection box 10, pass through the first blowoff valve 16, the second blowoff valve 17, the 3rd blowoff valve 18 after the completion of cleaning respectively
Discharge waste liquid.The water-washing process can equally be realized by manually and automatically both of which.
The operation principle of pickling is, using acid and alkali neutralization reaction, solable matter to be generated, so as to remove calorifier inwall
The calcium ions and magnesium ions precipitation of attachment；The purpose of washing is to dilute pickle remained in calorifier etc., make in calorifier
PH can reach use requirement.
Further improve is, in addition to circuit control system, and the circuit control system includes relay and switch；
The relay include the first auxiliary reclay, the second auxiliary reclay, the 3rd auxiliary reclay, in the middle of the 4th after
Electrical equipment, very first time relay, second time relay；
First auxiliary reclay includes the first normally opened contact and first coil；
Second auxiliary reclay includes the second normally opened contact one, the second normally opened contact two, the second normally-closed contact and the
Two coil；
3rd auxiliary reclay includes the 3rd normally opened contact one, the 3rd normally opened contact two, the 3rd normally opened contact three, the
Three normally-closed contacts and tertiary coil；
4th auxiliary reclay includes the 4th normally opened contact and the 4th coil；
The very first time relay includes the 5th normally-closed contact, the 5th normally opened contact and the 5th coil；
Second time relay includes the 6th normally-closed contact and the 6th coil；
The switch includes first switch, second switch, third switch；The second switch include the second normal open switch and
Second normally closed switch；
Two ends after centrifugal pump 11 is connected with the first normally opened contact one are connected with the two ends of power supply respectively；
Second magnetic valve 5 parallel with one another and the 3rd magnetic valve 7 connected with the second normally opened contact one after two ends respectively with
The two ends connection of power supply；
First magnetic valve 3 parallel with one another and the 4th magnetic valve 8 connected with the 3rd normally opened contact one after two ends respectively with
The two ends connection of power supply；
Second coil, the 3rd normally-closed contact, the 5th normally-closed contact, first switch be sequentially connected in series after two ends respectively with power supply
Two ends connection；
On second normal open switch and the two ends being connected in after the 5th normally-closed contact and first switch series connection；
4th normally opened contact is in parallel with first switch；
Second normally closed switch, the 6th normally-closed contact, the 4th coil be sequentially connected in series afterwards be sequentially connected in series the second coil, the 3rd
Normally-closed contact, the 5th normally-closed contact, first switch are in parallel, and the second normally closed switch is connected close to one end of the 5th normally-closed contact
On, the 4th coil is connected close on one end of the second coil；
5th coils from parallel connection of coils is on the two ends after the 4th coil and the series connection of the 6th normally-closed contact；
6th coil connected with the 3rd normally opened contact two after with the 5th coils from parallel connection of coils；
5th normally opened contact, the second normally-closed contact, tertiary coil are sequentially connected in series normal with the 6th coil connected and the 3rd afterwards
The parallel connection of contact two is opened, the 5th normally opened contact portion is on one end of the 3rd normally opened contact two, and tertiary coil is connected close to
On one end of 6th coil；
It is described 3rd switch one end be connected between the 5th normally opened contact and the second normally-closed contact, the 3rd switch it is another
End, which is connected to, to be connected with one end of the power supply of first switch；
First coil is connected with the two ends of power supply respectively after being connected with the second normally opened contact two；
3rd normally opened contact three is in parallel with the second normally opened contact two.
As shown in Figures 2 and 3, the very first time relay described in automatic pickling-cleaning model and the second time relay
Device is respectively used to control the scavenging period of pickling and washing, and its time can set as needed.
Further improve is, in addition to the 4th switch；The circuit control system is connected in parallel on after being connected with the 4th switch
On power supply.
Further improve be, the circuit control system, in addition to the first signal lamp, secondary signal indicator lamp and
3rd signal lamp；First signal lamp with connect after first coil and the second normally opened contact two it is in parallel；It is described
Secondary signal indicator lamp is connected in parallel on the second coil；3rd signal lamp is connected in parallel on tertiary coil.
As shown in Figures 2 and 3, Fig. 3 is Fig. 2 schematic diagram.Label in Fig. 2 except air switch, the first signal lamp,
Remaining part outside secondary signal indicator lamp and the 3rd signal lamp and the text information phase of same location in Fig. 3 and in Fig. 2
Correspondence.As shown in Figures 2 and 3, first switch is automatic pickling button, and second switch is manual pickling button, and the 3rd switch is
Button is washed manually.Cleaning process is broadly divided into following three kinds：
1st, manual pickling pattern
As shown in Fig. 2 the second normal open switch of closure, while the second normally closed switch disconnects, the second of the second auxiliary reclay
Coil must electrically activate the second normally opened contact one for causing the second auxiliary reclay, and the second normally opened contact two is closed, and makes first coil
Obtain electric, close the first normally opened contact, now the second magnetic valve 5, the 3rd magnetic valve 7 are opened, and centrifugal pump 11 starts scale removal case 9
In pickle be pumped into case to boil water the progress pickling course of work, after pickling terminates, disconnect the second normal open switch, be stopped.
In the course of the work, the first signal lamp, secondary signal indicator lamp indicate respectively the working condition of power supply and acid cleaning process, two
Secondary instrument 21 receives the pressure signal from pressure transmitter 14 and shown.
2nd, manual water mold cleaning formula
As shown in Fig. 2 closure the 3rd is switched, tertiary coil obtains electric；3rd normally opened contact one, the 3rd normally opened contact two,
Three normally opened contact three is all closed, and first coil obtains electric, and the first normally opened contact one is closed, and centrifugal pump 11 starts；3rd is normally opened tactile
Point one is closed, and the first magnetic valve 3, the 4th magnetic valve 8, which are opened, carries out the washing course of work, after washing terminates, disconnects the 3rd and switchs,
Stop the washing course of work.In the course of the work, the first signal lamp, the 3rd signal lamp indicate respectively power supply and washing
The working condition of the course of work, secondary meter 21 receives the pressure signal from pressure transmitter 14 and shown.
3rd, automatic pickling-washing pattern
First switch is closed, the 4th coil obtains electric, the 4th normally opened contact closure, so that first switch is short-circuit；Closure the
One switch, the 5th coil obtains electric, and the 5th normally-closed contact disconnects after the time of setting；In the setting time of the 5th normally-closed contact
Interior second coil obtains electric, and the second normally opened contact one, the second normally opened contact two are closed, and magnetic valve, the 3rd magnetic valve 7 work, centrifugation
Pump 11 starts, and proceeds by the pickling course of work；After the setting time of the 5th normally-closed contact, the 5th normally-closed contact disconnects,
Stop the pickling course of work；The 5th normally opened closing of contact, tertiary coil obtains electric, and the 3rd normally-closed contact is opened, the pickling course of work
Stop；3rd normally opened contact one, the 3rd normally opened contact two and the 3rd normally opened contact three are all closed while tertiary coil obtains electric,
6th coil obtains electric, and the 6th normally-closed contact is in setting time, and the 6th normally-closed contact is still closed, and tertiary coil obtains electric, and the 3rd
The closure first coil of normally opened contact three obtains electric, and the first normally opened contact one is closed, and centrifugal pump 11 starts；3rd normally opened contact one is closed
Close, the first magnetic valve 3 and the 4th magnetic valve 8 are started working and carry out the washing course of work.6th normally-closed contact is in setting time mistake
After disconnect, the 4th normally opened contact disconnect, stop water-washing process.In the course of the work, the first signal lamp, secondary signal are indicated
Lamp and the 3rd signal lamp indicate respectively power supply, pickling and the working condition for washing the course of work, and secondary meter 21, which is received, to be come
Shown from the pressure signal of pressure transmitter 14.
Finally disconnect the 4th to switch, cut off the electricity supply, terminate whole cleaning process.
In above pattern, the 5th normally-closed contact and the 3rd normally-closed contact, which disconnect, will make either manually or automatically acid
Wash course of work stopping.
The technical solution of the utility model can preferably be realized according to the record of this specification.
Claims (10)
1. a kind of purging system of fixed airborne calorifier, it is characterised in that including cleaning device；The cleaning device includes
First liquid-transport pipe-line, the second liquid-transport pipe-line, the 3rd liquid-transport pipe-line, centrifugal pump, filtered water tank, scale removal case and collection box；The centrifugation
One end of pump is connected with one end of the first liquid-transport pipe-line；The outside of first liquid-transport pipe-line passes through the first valve phase with filtered water tank
Even；The other end of first liquid-transport pipe-line is connected by the second valve with one end of scale removal case；The other end of the scale removal case
It is connected by the 3rd valve with one end of the second liquid-transport pipe-line；The outside of second liquid-transport pipe-line is by the 4th valve with reclaiming
Case is connected；The other end of the centrifugal pump is connected with one end of the 3rd liquid-transport pipe-line.
2. the purging system of fixed airborne calorifier according to claim 1, it is characterised in that the first valve bag
Include the first magnetic valve and the first check valve；The first magnetic valve, the first check valve are passed sequentially through on the outside of first liquid-transport pipe-line
It is connected with filtered water tank.
3. the purging system of fixed airborne calorifier according to claim 2, it is characterised in that the second valve bag
Include the second magnetic valve and the second check valve；The other end of second liquid-transport pipe-line passes sequentially through the second magnetic valve, second unidirectional
Valve is connected with one end of scale removal case.
4. the purging system of fixed airborne calorifier according to claim 3, it is characterised in that the 3rd valve is
3rd magnetic valve；The other end of the scale removal case is connected by the 3rd magnetic valve with one end of the second liquid-transport pipe-line.
5. the purging system of fixed airborne calorifier according to claim 4, it is characterised in that the 4th valve is
4th magnetic valve, the outside of second liquid-transport pipe-line is connected by the 4th magnetic valve with collection box.
6. the purging system of fixed airborne calorifier according to claim 5, it is characterised in that first woven hose
Road and the 3rd liquid-transport pipe-line are connected by the 5th valve.
7. the purging system of fixed airborne calorifier according to claim 6, it is characterised in that set on the filtered water tank
There is the first blowoff valve；The scale removal case is provided with the second blowoff valve；The collection box is provided with the 3rd blowoff valve.
8. the purging system of fixed airborne calorifier according to claim 7, it is characterised in that also including circuit control
System, the circuit control system includes relay and switch；
The relay includes the first auxiliary reclay, the second auxiliary reclay, the 3rd auxiliary reclay, the 4th middle relay
Device, very first time relay, second time relay；
First auxiliary reclay includes the first normally opened contact and first coil；
Second auxiliary reclay includes the second normally opened contact one, the second normally opened contact two, the second normally-closed contact and the second line
Circle；
It is normal that 3rd auxiliary reclay includes the 3rd normally opened contact one, the 3rd normally opened contact two, the 3rd normally opened contact the three, the 3rd
Closed contact and tertiary coil；
4th auxiliary reclay includes the 4th normally opened contact and the 4th coil；
The very first time relay includes the 5th normally-closed contact, the 5th normally opened contact and the 5th coil；
Second time relay includes the 6th normally-closed contact and the 6th coil；
The switch includes first switch, second switch, third switch；The second switch includes the second normal open switch and second
Normally closed switch；
Two ends after centrifugal pump is connected with the first normally opened contact one are connected with the two ends of power supply respectively；
Second magnetic valve and the 3rd magnetic valve parallel with one another connected with the second normally opened contact one after two ends respectively with power supply
Two ends are connected；
First magnetic valve and the 4th magnetic valve parallel with one another connected with the 3rd normally opened contact one after two ends respectively with power supply
Two ends are connected；
Second coil, the 3rd normally-closed contact, the 5th normally-closed contact, first switch be sequentially connected in series after two ends respectively with power supply two
End connection；
On second normal open switch and the two ends being connected in after the 5th normally-closed contact and first switch series connection；
4th normally opened contact is in parallel with first switch；
Second normally closed switch, the 6th normally-closed contact, the 4th coil are sequentially connected in series the second coil, the 3rd normally closed afterwards with being sequentially connected in series
Contact, the 5th normally-closed contact, first switch are in parallel, and the second normally closed switch is connected close on one end of the 5th normally-closed contact, the
Four coils are connected close on one end of the second coil；
5th coils from parallel connection of coils is on the two ends after the 4th coil and the series connection of the 6th normally-closed contact；
6th coil connected with the 3rd normally opened contact two after with the 5th coils from parallel connection of coils；
5th normally opened contact, the second normally-closed contact, tertiary coil are sequentially connected in series normally opened tactile with the 6th coil connected and the 3rd afterwards
Point two is in parallel, and the 5th normally opened contact portion is on one end of the 3rd normally opened contact two, and tertiary coil is connected close to the 6th
On one end of coil；
One end of 3rd switch is connected between the 5th normally opened contact and the second normally-closed contact, and the other end of the 3rd switch connects
It is connected on and is connected with one end of the power supply of first switch；
First coil is connected with the two ends of power supply respectively after being connected with the second normally opened contact two；
3rd normally opened contact three is in parallel with the second normally opened contact two.
9. the purging system of fixed airborne calorifier according to claim 8, it is characterised in that also opened including the 4th
Close；The circuit control system is connected in parallel on power supply after being connected with the 4th switch.
10. the purging system of fixed airborne calorifier according to claim 9, it is characterised in that the circuit control
System, in addition to the first signal lamp, secondary signal indicator lamp and the 3rd signal lamp；First signal lamp with
First coil and the second normally opened contact two after series connection is in parallel；The secondary signal indicator lamp is connected in parallel on the second coil；It is described
3rd signal lamp is connected in parallel on tertiary coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621385058.3U CN206392542U (en) | 2016-12-15 | 2016-12-15 | The purging system of fixed airborne calorifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621385058.3U CN206392542U (en) | 2016-12-15 | 2016-12-15 | The purging system of fixed airborne calorifier |
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| CN206392542U true CN206392542U (en) | 2017-08-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475379A (en) * | 2016-12-15 | 2017-03-08 | 成都东科信航空自控设备有限公司 | The purging system of fixed airborne calorifier |
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2016
- 2016-12-15 CN CN201621385058.3U patent/CN206392542U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475379A (en) * | 2016-12-15 | 2017-03-08 | 成都东科信航空自控设备有限公司 | The purging system of fixed airborne calorifier |
| CN106475379B (en) * | 2016-12-15 | 2018-10-19 | 成都东科信航空自控设备有限公司 | The cleaning system of fixed airborne calorifier |
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