CN204644768U - A kind of head box intake air amount control device based on compressed air air blast - Google Patents
A kind of head box intake air amount control device based on compressed air air blast Download PDFInfo
- Publication number
- CN204644768U CN204644768U CN201520232559.7U CN201520232559U CN204644768U CN 204644768 U CN204644768 U CN 204644768U CN 201520232559 U CN201520232559 U CN 201520232559U CN 204644768 U CN204644768 U CN 204644768U
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- China
- Prior art keywords
- head box
- pressure
- air
- buffer tank
- compressor machine
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- 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- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of head box intake air amount control device based on compressed air air blast, comprise head box, air compressor machine, gas buffer tank, the gas outlet of air compressor machine is communicated with head box by breather line, gas buffer tank is arranged between the gas outlet of air compressor machine and head box, be provided with the first stop valve between gas buffer tank and the gas outlet of air compressor machine, between described gas buffer tank and head box, set gradually the second stop valve, the 3rd stop valve, pressure-regulating valve; The sidewall of described head box is respectively arranged with differential pressure liquid level transmitter up and down, and the bottom of described head box is provided with pressure transmitter, and described pressure-regulating valve, pressure transmitter, differential pressure liquid level transmitter are all connected with controller, and described controller is connected with and rushes liquid pump.The utility model can investment reduction cost, shortens the production and construction cycle, reduces power consumption, reduces the fault rate in system operation.
Description
Technical field
The utility model belongs to the technical field that head box air inflow controls, and is specifically related to a kind of head box intake air amount control device based on compressed air air blast.
Background technology
Head box connects " standby slurry send stream " and " sheet forming " two-part crucial hinge as in paper machine, and it to control in whole paper-making process and important.In the past to the control of head box air inflow, the rotating speed that normal employing arrangements for speed regulation control roots blower regulates, though this control mode is reasonable, but like this in production and construction, need to buy speed regulator and roots blower, also need supporting low pressure auxiliary equipment is installed simultaneously, add cost of investment with regard to extra like this, extend the production and construction cycle, the operation of arrangements for speed regulation and roots blower simultaneously also increases the consumption of electric energy.
Utility model content
In view of this, main purpose of the present utility model is to provide a kind of head box intake air amount control device based on compressed air air blast.
For achieving the above object, the technical solution of the utility model is achieved in that
The utility model embodiment provides a kind of head box intake air amount control device based on compressed air air blast, this system comprises head box, air compressor machine, gas buffer tank, the gas outlet of described air compressor machine is communicated with head box by breather line, described gas buffer tank is arranged between the gas outlet of air compressor machine and head box, be provided with the first stop valve between described gas buffer tank and the gas outlet of air compressor machine, between described gas buffer tank and head box, set gradually the second stop valve, the 3rd stop valve, pressure-regulating valve; The sidewall of described head box is respectively arranged with the differential pressure liquid level transmitter for measuring slurry position up and down, the bottom of described head box is provided with the pressure transmitter for measuring stagnation pressure, described pressure-regulating valve, pressure transmitter, differential pressure liquid level transmitter are all connected with controller, and described controller is connected with and rushes liquid pump.
In such scheme, this system also comprises the by-passing valve be positioned on assisted ventilation pipeline, and one end of described by-passing valve is arranged between the second stop valve and the 3rd stop valve, and the other end is arranged between pressure-regulating valve and head box.
In such scheme, described gas buffer tank is provided with Pressure gauge.
Compared with prior art, the beneficial effects of the utility model:
1, the utility model uses existing Air Compressor Equipment to head box air blast, utilizes the switch degree of control valve to control the air inflow of head box, like this with regard to investment reduction cost, shortens the production and construction cycle.
2, the utility model does not use speed regulator and roots blower, only uses existing Air Compressor Equipment, just avoids speed regulator and roots blower like this to the consumption of electric energy, greatly reducing power consumption, saved production cost in production run.
3, the utility model only uses existing Air Compressor Equipment and control valve, avoids the system instability brought due to speed regulator and roots blower fault in production run process, decreases the fault rate in system operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
The utility model embodiment provides a kind of head box intake air amount control device based on compressed air air blast, as shown in Figure 1, this system comprises head box 7, air compressor machine, gas buffer tank 4, the gas outlet of described air compressor machine is communicated with head box 7 by breather line, described gas buffer tank 4 is arranged between the gas outlet of air compressor machine and head box 7, be provided with the first stop valve 1 between described gas buffer tank 4 and the gas outlet of air compressor machine, between described gas buffer tank 4 and head box 7, set gradually the second stop valve 2, the 3rd stop valve 3, pressure-regulating valve 5; The sidewall of described head box 7 is respectively arranged with the differential pressure liquid level transmitter 8 for measuring slurry position up and down, the bottom of described head box 7 is provided with the pressure transmitter 7 for measuring stagnation pressure, described pressure-regulating valve 5, pressure transmitter 7, differential pressure liquid level transmitter 8 are all connected with controller 10, and described controller 10 is connected with and rushes liquid pump 11.
This system also comprises the by-passing valve 6 be positioned on assisted ventilation pipeline, and one end of described by-passing valve 6 is arranged between the second stop valve 2 and the 3rd stop valve 3, and the other end is arranged between pressure-regulating valve 5 and head box 7.
Described gas buffer tank 4 is provided with Pressure gauge.
Before operation, open the first stop valve 1, the compressed air that air compressor machine is exported enters gas buffer tank 4, when the force value that the Pressure gauge on gas buffer tank 4 demonstrates reaches requirements, namely can give the normal air feed of head box 7.
The course of work of the present utility model:
Before operation, open the first stop valve 1, the compressed air that air compressor machine is exported enters gas buffer tank 4, close by-passing valve 6, open the second stop valve 2 and the 3rd stop valve 3, differential pressure liquid level transmitter 8 is measured and is fed back the slurry position of head box 7, is sent into by measuring-signal in controller 10; Pressure transmitter 9 is measured and is fed back the stagnation pressure of head box 7, and is sent into by measuring-signal in controller 10; When liquid level raises, described controller 10, by output control signal, regulates pressure-regulating valve 5, the air inflow of head box 7 is increased; When liquid level reduces, described controller 10, by output control signal, regulates pressure-regulating valve 5, the air inflow of head box 7 is reduced,
When in running, described pressure-regulating valve 5 breaks down or controller 10 breaks down, and closes stop valve 3, opens by-passing valve 6, the air inflow of Non-follow control head box 7.
Described pressure-regulating valve 5 is main inlet control valve, and described by-passing valve 6 is from control valve.
The above, be only preferred embodiment of the present utility model, is not intended to limit protection domain of the present utility model.
Claims (3)
1. the head box intake air amount control device based on compressed air air blast, it is characterized in that, this system comprises head box (7), air compressor machine, gas buffer tank (4), the gas outlet of described air compressor machine is communicated with head box (7) by breather line, described gas buffer tank (4) is arranged between the gas outlet of air compressor machine and head box (7), the first stop valve (1) is provided with between described gas buffer tank (4) and the gas outlet of air compressor machine, the second stop valve (2) is set gradually between described gas buffer tank (4) and head box (7), 3rd stop valve (3), pressure-regulating valve (5), the sidewall of described head box (7) is respectively arranged with the differential pressure liquid level transmitter (8) for measuring slurry position up and down, the bottom of described head box (7) is provided with the pressure transmitter (7) for measuring stagnation pressure, described pressure-regulating valve (5), pressure transmitter (7), differential pressure liquid level transmitter (8) are all connected with controller (10), and described controller (10) is connected with and rushes liquid pump (11).
2. the head box intake air amount control device based on compressed air air blast according to claim 1, it is characterized in that, this system also comprises the by-passing valve (6) be positioned on assisted ventilation pipeline, one end of described by-passing valve (6) is arranged between the second stop valve (2) and the 3rd stop valve (3), and the other end is arranged between pressure-regulating valve (5) and head box (7).
3. the head box intake air amount control device based on compressed air air blast according to claim 1 and 2, is characterized in that: described gas buffer tank (4) is provided with Pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520232559.7U CN204644768U (en) | 2015-04-17 | 2015-04-17 | A kind of head box intake air amount control device based on compressed air air blast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520232559.7U CN204644768U (en) | 2015-04-17 | 2015-04-17 | A kind of head box intake air amount control device based on compressed air air blast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204644768U true CN204644768U (en) | 2015-09-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520232559.7U Withdrawn - After Issue CN204644768U (en) | 2015-04-17 | 2015-04-17 | A kind of head box intake air amount control device based on compressed air air blast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204644768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746376A (en) * | 2015-04-17 | 2015-07-01 | 陕西科技大学 | Compressed air blast based head-box air inlet control system and method |
-
2015
- 2015-04-17 CN CN201520232559.7U patent/CN204644768U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746376A (en) * | 2015-04-17 | 2015-07-01 | 陕西科技大学 | Compressed air blast based head-box air inlet control system and method |
| CN104746376B (en) * | 2015-04-17 | 2016-10-05 | 陕西科技大学 | Head box intake air amount control device and control method thereof based on compressed air air blast |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150916 Effective date of abandoning: 20161005 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |