CN204031018U - Compressor assembly control system for biogas decarbonization system - Google Patents
Compressor assembly control system for biogas decarbonization system Download PDFInfo
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- CN204031018U CN204031018U CN201420391754.XU CN201420391754U CN204031018U CN 204031018 U CN204031018 U CN 204031018U CN 201420391754 U CN201420391754 U CN 201420391754U CN 204031018 U CN204031018 U CN 204031018U
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Abstract
The utility model discloses a kind of compressor assembly control system for biogas decarbonization system, described control system comprises: power circuit breaker Q1; Frequency converter U1; Three-phase ac contactor 1KM; Three-phase ac contactor 1KM1; Three-phase ac contactor 1KM2; Control switch K1, K2; Relay K A4-1; Relay K A16; Relay K 00; Relay K 01; Time-delay relay K02; Time-delay relay K03; The utility model has reduced operating cost and energy cost, especially when biogas decarbonization system be applied to rainwater during more summer and autumn energy-saving effect fairly obvious.
Description
Technical field
The utility model relates to Compressor Technology field, is specially a kind of compressor assembly control system for biogas decarbonization system.
Background technology
Biogas decarbonization system is in order to remove most carbon dioxide in biogas in Gas application, improve the purity of methane in sewage gas, reduce the requisite system of biogas volume, wherein compressor is the important composition parts in biogas decarbonization system, in prior art, the compressor of biogas decarbonization system is generally power frequency operation, when summer and autumn rainwater more, the sludge quantity that each water factory sends here reduces, the content of organic matter in mud reduces, gas production declines, to such an extent as to electric energy has been wasted in the biogas amount that compressor is carried decline greatly.
Summary of the invention
The utility model is for the proposition of above problem, and develops a kind of operating cost, energy-conservation compressor assembly control system for biogas decarbonization system of reducing.
The technical solution of the utility model is:
For a compressor assembly control system for biogas decarbonization system, described compressor assembly comprises: compressor, blower fan and oil pump; Described control system comprises:
Input connects the power circuit breaker Q1 of three-phase alternating current;
Input connects described power circuit breaker Q1 output, and output connects the frequency converter U1 of compressor electric motor M1 stator terminal three-phase port;
Three-phase ac contactor 1KM; The contact of described three-phase ac contactor 1KM is serially connected between described power circuit breaker Q1 output and described frequency converter U1 input;
Three-phase ac contactor 1KM1; The contact of described three-phase ac contactor 1KM1 is serially connected between described power circuit breaker Q1 output and blower motor M2;
Three-phase ac contactor 1KM2; The first contact of described three-phase ac contactor 1KM2 is serially connected between described power circuit breaker Q1 output and Oil pump electrical machinery M3;
Control switch K1, K2;
Relay K A4-1; The coil of described relay K A4-1 and the mutual series connection of control switch K1 are in three-phase alternating current current supply circuit;
Relay K A16; The coil of described relay K A16 and the mutual series connection of control switch K2 are in three-phase alternating current current supply circuit;
Relay K 00; The mutual series connection in contact of the coil of described relay K 00, the contact of described relay K A4-1 and described relay K A16 is in single-phase alternating current current supply circuit; The mutual series connection of coil of the contact of described relay K 00 and described three-phase ac contactor 1KM2 is in three-phase alternating current current supply circuit;
Relay K 01; The mutual series connection of coil of the contact of described relay K 01 and described three-phase ac contactor 1KM is in single-phase alternating current current supply circuit;
Time-delay relay K02; The coil of the coil of described time-delay relay K02 and described three-phase ac contactor 1KM is parallel with one another; The mutual series connection of coil of the contact of described time-delay relay K02 and described three-phase ac contactor 1KM1 is in single-phase alternating current current supply circuit;
And time-delay relay K03; The second mutual series connection in contact of the coil of described time-delay relay K03 and described three-phase ac contactor 1KM2 is in single-phase alternating current current supply circuit; The mutual series connection of coil of the contact of described time-delay relay K03 and described relay K 01 is in single-phase alternating current current supply circuit;
Further, described control system also comprises:
Input connects described power circuit breaker Q1 output, and output is via the blower break device 1Q1 of the contact connecting fan motor M 2 of three-phase ac contactor 1KM1;
And input connects described power circuit breaker Q1 output, output connects the oil pump circuit breaker 1Q2 of Oil pump electrical machinery M3 via the contact of three-phase ac contactor 1KM2;
Further, described control system also comprises:
Be serially connected in the power circuit breaker Q2 in single-phase alternating current current supply circuit;
Further, the contact of described time-delay relay K02 is closed after coil electricity Preset Time;
Further, the contact of described time-delay relay K03 disconnects after coil blackout Preset Time.
Owing to having adopted technique scheme, the compressor assembly control system for biogas decarbonization system that the utility model provides, can be according to the operating characteristic of compressor assembly, first automatic order ground control oil pump motor works, make before compressor operating, by oil pump, need to carry out necessary lubricating to each working portion of compressor, then after Preset Time, frequency converter motor and blower fan are started working, and then compressor adopts frequency control way to carry out work, blower fan synchronously dispels the heat, when system quits work, by circuit structure of the present utility model, make the blower fan certain hour that can remain in operation, thereby guarantee that the waste heat after compressor quits work can effectively fall apart and remove, simple in structure, easy to operate, can guarantee compressor assembly reliability service, , compare with the compressor assembly of available technology adopting power frequency operation meanwhile, reduced operating cost and energy cost, especially when biogas decarbonization system be applied to rainwater during more summer and autumn energy-saving effect fairly obvious.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of control system described in the utility model;
Embodiment
A kind of compressor assembly control system for biogas decarbonization system as shown in Figure 1, described compressor assembly comprises: compressor, blower fan and oil pump; Described control system comprises: input connects the power circuit breaker Q1 of three-phase alternating current; Input connects described power circuit breaker Q1 output, and output connects the frequency converter U1 of compressor electric motor M1 stator terminal three-phase port; Three-phase ac contactor 1KM; The contact of described three-phase ac contactor 1KM is serially connected between described power circuit breaker Q1 output and described frequency converter U1 input; Three-phase ac contactor 1KM1; The contact of described three-phase ac contactor 1KM1 is serially connected between described power circuit breaker Q1 output and blower motor M2; Three-phase ac contactor 1KM2; The first contact of described three-phase ac contactor 1KM2 is serially connected between described power circuit breaker Q1 output and Oil pump electrical machinery M3; Control switch K1, K2; Relay K A4-1; The coil of described relay K A4-1 and the mutual series connection of control switch K1 are in three-phase alternating current current supply circuit; Relay K A16; The coil of described relay K A16 and the mutual series connection of control switch K2 are in three-phase alternating current current supply circuit; Relay K 00; The mutual series connection in contact of the coil of described relay K 00, the contact of described relay K A4-1 and described relay K A16 is in single-phase alternating current current supply circuit; The mutual series connection of coil of the contact of described relay K 00 and described three-phase ac contactor 1KM2 is in three-phase alternating current current supply circuit; Relay K 01; The mutual series connection of coil of the contact of described relay K 01 and described three-phase ac contactor 1KM is in single-phase alternating current current supply circuit; Time-delay relay K02; The coil of the coil of described time-delay relay K02 and described three-phase ac contactor 1KM is parallel with one another; The mutual series connection of coil of the contact of described time-delay relay K02 and described three-phase ac contactor 1KM1 is in single-phase alternating current current supply circuit; And time-delay relay K03; The second mutual series connection in contact of the coil of described time-delay relay K03 and described three-phase ac contactor 1KM2 is in single-phase alternating current current supply circuit; The mutual series connection of coil of the contact of described time-delay relay K03 and described relay K 01 is in single-phase alternating current current supply circuit; Further, described control system also comprises: input connects described power circuit breaker Q1 output, and output is via the blower break device 1Q1 of the contact connecting fan motor M 2 of three-phase ac contactor 1KM1; And input connects described power circuit breaker Q1 output, output connects the oil pump circuit breaker 1Q2 of Oil pump electrical machinery M3 via the contact of three-phase ac contactor 1KM2; Further, described control system also comprises: be serially connected in the power circuit breaker Q2 in single-phase alternating current current supply circuit; Further, the contact of described time-delay relay K02 is closed after coil electricity Preset Time; Further, the contact of described time-delay relay K03 disconnects after coil blackout Preset Time; Described frequency converter adopts ABBACS800 type; Described blower fan is used for to compressor electric motor wind-cooling heat dissipating; Described oil pump is the part of compressor lubrication system; Circuit breaker wherein and contactor are selected Schneider series of products, and current class carries out value according to loop, place real work electric current; Described three-phase ac contactor 1KM2 has the contact of two synchronous workings, the first contact is serially connected between described power circuit breaker Q1 output and Oil pump electrical machinery M3, and the mutual series connection of coil of the second contact and time-delay relay K03 is in single-phase alternating current current supply circuit.
The operation principle of the compressor assembly control system for biogas decarbonization system described in the utility model is as follows:
Compressor assembly is first following coherence check before driving:
1. contact tank field understand tolerance whether normal sufficient 2. see through oil droplet observe compressor lubricant oil oil level whether normal 3. recirculating cooling water system, instrument pneumatic system etc. whether normal operation 4. check whether pneumatic control valve in biogas pressure balance sysmte, front and back hand-operated valve etc. are all opened.
In addition, according to the requirement of compressor operating technique, before compressor operating, need to carry out necessary lubricating to each working portion of compressor, therefore before compressor electric motor work, the part oil pump of compressor lubrication system will carry out work, to guarantee that compressor can work smoothly.
When above-mentioned coherence check is during in normal condition, closed power supply circuit breaker Q 1, closed power supply circuit breaker Q 2, gives compressor assembly power transmission (comprising three-phase alternating current and single-phase alternating current), Closed control K switch 1 and control switch K2, wherein control switch K1 is closed during in normal condition when instrument, and control switch K2 is closure when allowing to drive, closed oil pump circuit breaker 1Q2, closed blower break device 1Q1, the coil of relay K A4-1 now, and the coil electricity of relay K A16, the contact of relay K A4-1, and the closing of contact of relay K A16, the coil electricity of relay K 00, further, the closing of contact of relay K 00, the coil electricity of three-phase ac contactor 1KM2, further, first closing of contact of three-phase ac contactor 1KM2, three-phase alternating current is via power circuit breaker Q1, oil pump circuit breaker 1Q2, and the contact oil-feed pump motor power supply of three-phase ac contactor 1KM2, oil pump is started working, realization is lubricated to compressor, second closing of contact of while three-phase ac contactor 1KM2, the coil electricity of time-delay relay K03, the contact timing closing of time-delay relay K03, the contact of time-delay relay K03 is for often leaving timing closing contact, this contact obtains trigger when electric from coil, closed after time delay Preset Time, further, the coil electricity of described relay K 01, the closing of contact of relay K 01, further, the coil electricity of three-phase ac contactor 1KM, the closing of contact of three-phase ac contactor 1KM, three-phase alternating current is via power circuit breaker Q1, and the contact of three-phase ac contactor 1KM is to frequency converter U1, after frequency converter U1 changes ac frequency, power supply is to compressor electric motor, described in during practical application, frequency converter U1 also can be connected with digital revmeter and speed preset potentiometer, be convenient to the given potentiometer of manual Negotiation speed and regulate frequency converter output frequency, and then change compressor electric motor rotating speed, in the time of the closing of contact of relay K 01, the coil electricity of time-delay relay K02, the closing of contact of time-delay relay K02, further, the coil electricity of three-phase ac contactor 1KM1, the closing of contact of three-phase ac contactor 1KM1, three-phase alternating current is via power circuit breaker Q1, blower break device 1Q1, and the contact fan motor of three-phase ac contactor 1KM1, blower fan work, in like manner, after compressor electric motor power-off (being after three-phase ac contactor 1KM disconnects), effect due to time-delay relay K02, three-phase ac contactor 1KM1 still remains closed, blower fan remains in operation, air-cooled needs have been guaranteed, the contact of described time-delay relay K02 is for often driving time delay break contact, this contact when coil obtains electric after closure, time delay break contact after coil losing electricity, delay time is determined according to reality required cooling time.
The compressor assembly control system for biogas decarbonization system that the utility model provides, can be according to the operating characteristic of compressor assembly, first automatic order ground control oil pump motor works, make before compressor operating, by oil pump, need to carry out necessary lubricating to each working portion of compressor, then after Preset Time, frequency converter motor and blower fan are started working, and then compressor adopts frequency control way to carry out work, blower fan synchronously dispels the heat, when system quits work, by circuit structure of the present utility model, make the blower fan certain hour that can remain in operation, thereby guarantee that the waste heat after compressor quits work can effectively fall apart and remove, simple in structure, easy to operate, can guarantee compressor assembly reliability service, , compare with the compressor assembly of available technology adopting power frequency operation meanwhile, reduced operating cost and energy cost, especially when biogas decarbonization system be applied to rainwater during more summer and autumn energy-saving effect fairly obvious, in addition, adopt frequency control way, the mechanical shock that has alleviated equipment, control precision is higher, has effectively improved the quality of operating mode, table 1 has provided the compressor assembly of available technology adopting power frequency operation, with the comparing data that adopts the compressor assembly power consumption of control system described in the utility model, as shown in table 1, August 21 was to totally 23 days September 12, per day 7602.65 kilograms of the biogas amounts of sending outside, per day power consumption 2427kWh, June 25 is to totally 23 days July 17, per day 6568.39 kilograms of the biogas amounts of sending outside, per day power consumption 3288.48kWh, increasing tolerance average every day is 7602.65-6568.39=1034.26 kilogram, save power consumption average every day is 3288.48-2427=861.48kWh, save the electricity charge 861.48 * 0.72=620.26 unit (the 0.72 yuan/kWh of mean value of the electricity charge) average every day, find out thus, energy-saving effect of the present utility model is fairly obvious, has good using value.
The compressor assembly of table 1, employing power frequency operation, with the comparison sheet that adopts the compressor assembly power consumption of control system described in the utility model.
The above; it is only preferably embodiment of the utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; according to the technical solution of the utility model and inventive concept thereof, be equal to replacement or changed, within all should being encompassed in protection range of the present utility model.
Claims (5)
1. for a compressor assembly control system for biogas decarbonization system, described compressor assembly comprises: compressor, blower fan and oil pump; It is characterized in that, described control system comprises:
Input connects the power circuit breaker Q1 of three-phase alternating current;
Input connects described power circuit breaker Q1 output, and output connects the frequency converter U1 of compressor electric motor M1 stator terminal three-phase port;
Three-phase ac contactor 1KM; The contact of described three-phase ac contactor 1KM is serially connected between described power circuit breaker Q1 output and described frequency converter U1 input;
Three-phase ac contactor 1KM1; The contact of described three-phase ac contactor 1KM1 is serially connected between described power circuit breaker Q1 output and blower motor M2;
Three-phase ac contactor 1KM2; The first contact of described three-phase ac contactor 1KM2 is serially connected between described power circuit breaker Q1 output and Oil pump electrical machinery M3;
Control switch K1, K2;
Relay K A4-1; The coil of described relay K A4-1 and the mutual series connection of control switch K1 are in three-phase alternating current current supply circuit;
Relay K A16; The coil of described relay K A16 and the mutual series connection of control switch K2 are in three-phase alternating current current supply circuit;
Relay K 00; The mutual series connection in contact of the coil of described relay K 00, the contact of described relay K A4-1 and described relay K A16 is in single-phase alternating current current supply circuit; The mutual series connection of coil of the contact of described relay K 00 and described three-phase ac contactor 1KM2 is in three-phase alternating current current supply circuit;
Relay K 01; The mutual series connection of coil of the contact of described relay K 01 and described three-phase ac contactor 1KM is in single-phase alternating current current supply circuit;
Time-delay relay K02; The coil of the coil of described time-delay relay K02 and described three-phase ac contactor 1KM is parallel with one another; The mutual series connection of coil of the contact of described time-delay relay K02 and described three-phase ac contactor 1KM1 is in single-phase alternating current current supply circuit;
And time-delay relay K03; The second mutual series connection in contact of the coil of described time-delay relay K03 and described three-phase ac contactor 1KM2 is in single-phase alternating current current supply circuit; The mutual series connection of coil of the contact of described time-delay relay K03 and described relay K 01 is in single-phase alternating current current supply circuit.
2. a kind of compressor assembly control system for biogas decarbonization system according to claim 1, is characterized in that, described control system also comprises:
Input connects described power circuit breaker Q1 output, and output is via the blower break device 1Q1 of the contact connecting fan motor M 2 of three-phase ac contactor 1KM1;
And input connects described power circuit breaker Q1 output, output connects the oil pump circuit breaker 1Q2 of Oil pump electrical machinery M3 via the contact of three-phase ac contactor 1KM2.
3. a kind of compressor assembly control system for biogas decarbonization system according to claim 1, is characterized in that, described control system also comprises:
Be serially connected in the power circuit breaker Q2 in single-phase alternating current current supply circuit.
4. a kind of compressor assembly control system for biogas decarbonization system according to claim 1, is characterized in that, the contact of described time-delay relay K02 is closed after coil electricity Preset Time.
5. a kind of compressor assembly control system for biogas decarbonization system according to claim 1, is characterized in that, the contact of described time-delay relay K03 disconnects after coil blackout Preset Time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420391754.XU CN204031018U (en) | 2014-07-15 | 2014-07-15 | Compressor assembly control system for biogas decarbonization system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420391754.XU CN204031018U (en) | 2014-07-15 | 2014-07-15 | Compressor assembly control system for biogas decarbonization system |
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| CN204031018U true CN204031018U (en) | 2014-12-17 |
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| CN201420391754.XU Expired - Fee Related CN204031018U (en) | 2014-07-15 | 2014-07-15 | Compressor assembly control system for biogas decarbonization system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271303A (en) * | 2020-01-22 | 2020-06-12 | 西安陕鼓通风设备有限公司 | Oil station electric control system, ventilator unit control system and control method |
-
2014
- 2014-07-15 CN CN201420391754.XU patent/CN204031018U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271303A (en) * | 2020-01-22 | 2020-06-12 | 西安陕鼓通风设备有限公司 | Oil station electric control system, ventilator unit control system and control method |
| CN111271303B (en) * | 2020-01-22 | 2021-01-01 | 西安陕鼓通风设备有限公司 | Oil station electric control system, ventilator unit control system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20190715 |