CN206221224U - Heat supply injection Test-bed for pump - Google Patents
Heat supply injection Test-bed for pump Download PDFInfo
- Publication number
- CN206221224U CN206221224U CN201621214798.0U CN201621214798U CN206221224U CN 206221224 U CN206221224 U CN 206221224U CN 201621214798 U CN201621214798 U CN 201621214798U CN 206221224 U CN206221224 U CN 206221224U
- Authority
- CN
- China
- Prior art keywords
- heat supply
- valve
- jet pump
- pump
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Pipeline Systems (AREA)
Abstract
The utility model discloses a kind of heat supply injection Test-bed for pump, produced in pipe network pressure difference and be connected with separate unit or one group of heat supply jet pump in parallel between the high-pressure side and low-pressure end of part, on the branch road where each heat supply jet pump, heat supply jet pump front end is serially connected with ultrasonic flowmeter, injection ball valve, digital pressure gauge is installed in injection ball valve rear end, it is serially connected with by aperture with jet pump rear end in heat supply to change in simulation heat user building or an adjustment valve for resistance of pipe system in heat exchange station, pressure gauge is installed in adjustment valve front end, it is connected with another input of heat supply jet pump by injection ball valve in adjustment valve rear end.The utility model can solve that, by the testing stand simulated experiment, heat supply jet pump characteristic equation can be summed up, and improve the design theory of injection heat pump heating system, be the problems such as solid foundation is established in the formulation of heat supply jet pump professional standard.
Description
Technical field
The utility model is related to heat supply jet pump and injection heat pump heating system.
Background technology
Injection heat pump heating system, hydraulic stability is high, can solve the waterpower imbalance problem of existing heating system, general section
Heating rate is 10~30%, and power saving rate is 20~50%.
But, current heat supply is unclear with jet pump hydraulic characteristic(s), heat supply jet pump design theory imperfection, therefore,
Current China is also without heat supply jet pump professional standard.
Utility model content
The purpose of this utility model is to provide a kind of heat supply injection Test-bed for pump, to solve to be simulated by the testing stand
Experiment, can sum up heat supply jet pump characteristic equation, improve the design theory of injection heat pump heating system, be heat supply injection
The problems such as solid foundation is established in the formulation of pump professional standard.
The purpose of this utility model is to be achieved through the following technical solutions：
Heat supply injection Test-bed for pump, including air bleeding valve (1), ultrasonic flowmeter (2), injection ball valve (3), digital pressure
Table (4), injection ball valve (5), heat supply jet pump (6), balanced valve (7), water compensating valve (8), butterfly valve (9), reducer pipe (10), circulation
Pump (11), frequency-conversion control cabinet (12), hose connector (13) and support (14)；Pipe network pressure difference generating unit point includes the benefit being sequentially connected
Water valve (8), butterfly valve (9), reducer pipe (10), circulating pump (11) and hose connector (13), circulating pump (11) is by connected change
Frequency switch board (12) is controlled, and pipe network pressure difference is produced and is partially installed on support (14)；Pipe network pressure difference produce part high-pressure side with
Separate unit or one group of heat supply in parallel are connected between low-pressure end with jet pump (6), in each heat supply with where jet pump (6)
On branch road, heat supply jet pump (6) front end is serially connected with ultrasonic flowmeter (2), injection ball valve (3), in injection ball valve (3) rear end
Digital pressure gauge (4) is installed, be serially connected with by aperture with jet pump (6) rear end in heat supply to change in simulation heat user building or
An adjustment valve (7) for resistance of pipe system in heat exchange station, pressure gauge is provided with adjustment valve (7) front end, flat in regulation
Weighing apparatus valve (7) rear end is connected by injection ball valve (5) with another input of heat supply jet pump (6).
The caliber of the length of ultrasonic flowmeter (2) upstream straight line pipeline section pipeline where more than ten times, downstream straight line pipeline section
Calibers of the length more than pipeline where five times.
The peak end for producing part in pipe network pressure difference is provided with two air bleeding valves (1), and minimum point end is provided with a water compensating valve
(8), the water compensating valve (8) is alternatively arranged as drain valve and uses.
Advantage of the present utility model is as follows：
Hydraulic regime when heating system is run can be simulated, pipe network pressure difference is changed by adjusting pump operating cycle frequency；
Heat user building (or pipe network in heat exchange station) is simulated with balanced valve, is changed by adjustment valve opening in heat user building
(or pipe network in heat exchange station) resistance；Heat supply jet pump can separate unit operation, also can many parallel runnings.By the testing stand
Simulated experiment, can sum up heat supply jet pump characteristic equation, improve the design theory of injection heat pump heating system, be that heat supply is used
Solid foundation is established in the formulation of jet pump professional standard.
Brief description of the drawings
Fig. 1 is composition structure and principle schematic of the present utility model.
Specific embodiment
A kind of heat supply injection Test-bed for pump, including air bleeding valve, ultrasonic flowmeter, injection ball valve, digital pressure gauge, draw
Penetrate ball valve, heat supply jet pump, balanced valve, water compensating valve, butterfly valve, reducer pipe, circulating pump, frequency-conversion control cabinet, hose connector, support
Deng.
Heat supply jet pump is many and is installed in parallel that model is different；Every heat supply jet pump has injection ball valve, draws
Penetrate ball valve, balanced valve to be attached thereto, its operating pressure can directly be read by digital pressure gauge therebetween；Used by every heat supply
Jet pump sprays ball valve and the flow of injection ball valve can directly be measured by ultrasonic flowmeter thereon.
Following examples are used to illustrate the utility model, but are not limited to scope of the present utility model.
As shown in figure 1, being that Test-bed for pump, including air bleeding valve (1), ultrasound are sprayed in heat supply described in the utility model embodiment
Low (2), injection ball valve (3), digital pressure gauge (4), injection ball valve (5), heat supply jet pump (6), balanced valve (7),
Water compensating valve (8), butterfly valve (9), reducer pipe (10), circulating pump (11), frequency-conversion control cabinet (12), hose connector (13), support (14)
Deng.
Hydraulic regime when heating system is run can be simulated, pipe network pressure is changed by adjusting circulating pump (11) running frequency
Difference；Heat user building (or pipe network in heat exchange station) is simulated with balanced valve (7), is changed by adjustment valve (7) aperture
(or pipe network in heat exchange station) resistance in heat user building；Heat supply jet pump (6) can separate unit operation, also can many and through transports
OK.
Circulating pump (11) is controlled by frequency converter；Rated power is 5.5kW~11kW；Metered flow is 50m3/ h~
100m3/h；Rated head is 20m~32m.
Many of heat supply jet pump (6) is installed in parallel, and model is different；Every heat supply jet pump (6) has injection
Ball valve (3), injection ball valve (5), balanced valve (7) are attached thereto, and its operating pressure can be by digital pressure gauge (4) therebetween directly
Read；The flow for spraying ball valve (3) and injection ball valve (5) by every heat supply jet pump (6) can be by supersonic flow thereon
Gauge (2) is directly measured.
The length of ultrasonic flowmeter (2) upstream straight line pipeline section is more than ten times of calibers, and the length of downstream straight line pipeline section is more than
Five times of calibers.So-called " upstream " and " downstream " are directed to for water (flow) direction.Pipeline section before flowing into is " upstream "；After outflow
Pipeline section be " downstream ".Ultrasonic flowmeter (2) on the straight line pipeline section of 1800mm, before ultrasonic flowmeter (2)
Pipeline section is upstream, afterwards be downstream.
Pressure peak is provided with two air bleeding valves (1)；Minimum point is provided with a water compensating valve (8), can also make as drain valve
With.
In Fig. 1, DN20, DN40, DN50, DN65, DN80, DN100, DN125 represent that heat supply seamless steel pipe nominal is straight
Footpath, unit is mm；1200th, 1800,2000,3000 represent that (including ball valve, ultrasonic flowmeter, heat supply are used for pipeline straight lengths
Jet pump etc.), unit is mm；140 represent the bottom liftoff 140mm of pipeline center；300 × 8 indicate 8 layers of pipeline, every layer of pipe
The centre-to-centre spacing in road is 300mm.
Claims (3)
1. heat supply is used and sprays Test-bed for pump, it is characterised in that including air bleeding valve (1), ultrasonic flowmeter (2), injection ball valve
(3), digital pressure gauge (4), injection ball valve (5), heat supply jet pump (6), balanced valve (7), water compensating valve (8), butterfly valve (9), change
Footpath pipe (10), circulating pump (11), frequency-conversion control cabinet (12), hose connector (13) and support (14)；Pipe network pressure difference generating unit subpackage
Include water compensating valve (8), butterfly valve (9), reducer pipe (10), circulating pump (11) and the hose connector (13) being sequentially connected, circulating pump (11)
By connected frequency-conversion control cabinet (12) control, pipe network pressure difference is produced and is partially installed on support (14)；Pipe network pressure difference is produced
Separate unit or one group of heat supply in parallel jet pump (6) are connected between partial high-pressure side and low-pressure end, are used in each heat supply
On branch road where jet pump (6), heat supply jet pump (6) front end is serially connected with ultrasonic flowmeter (2), injection ball valve (3),
Injection ball valve (3) rear end is provided with digital pressure gauge (4), is serially connected with by aperture to change with jet pump (6) rear end in heat supply
An adjustment valve (7) for resistance of pipe system in simulation heat user building or in heat exchange station, is provided with adjustment valve (7) front end
Pressure gauge, is connected by injection ball valve (5) in adjustment valve (7) rear end with another input of heat supply jet pump (6).
2. heat supply according to claim 1 is used and sprays Test-bed for pump, it is characterised in that ultrasonic flowmeter (2) upstream is straight
The caliber of length pipeline where more than ten times of spool section, the caliber of length pipeline where more than five times of downstream straight line pipeline section.
3. heat supply according to claim 1 is used and sprays Test-bed for pump, it is characterised in that produce part most in pipe network pressure difference
High point end is provided with two air bleeding valves (1), and minimum point end is provided with a water compensating valve (8), and the water compensating valve (8) is alternatively arranged as drain valve to be made
With.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621214798.0U CN206221224U (en) | 2016-11-11 | 2016-11-11 | Heat supply injection Test-bed for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621214798.0U CN206221224U (en) | 2016-11-11 | 2016-11-11 | Heat supply injection Test-bed for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206221224U true CN206221224U (en) | 2017-06-06 |
Family
ID=58793319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621214798.0U Withdrawn - After Issue CN206221224U (en) | 2016-11-11 | 2016-11-11 | Heat supply injection Test-bed for pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206221224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321416A (en) * | 2016-11-11 | 2017-01-11 | 北京合利能科技有限公司 | Test bed for heating injection pumps |
-
2016
- 2016-11-11 CN CN201621214798.0U patent/CN206221224U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321416A (en) * | 2016-11-11 | 2017-01-11 | 北京合利能科技有限公司 | Test bed for heating injection pumps |
| CN106321416B (en) * | 2016-11-11 | 2018-04-10 | 北京合利能科技有限公司 | Heat supply injection Test-bed for pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170606 Effective date of abandoning: 20180410 |
|
| AV01 | Patent right actively abandoned |