CN113202824A - Intelligent jet pump - Google Patents
Intelligent jet pump Download PDFInfo
- Publication number
- CN113202824A CN113202824A CN202110672580.9A CN202110672580A CN113202824A CN 113202824 A CN113202824 A CN 113202824A CN 202110672580 A CN202110672580 A CN 202110672580A CN 113202824 A CN113202824 A CN 113202824A
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- CN
- China
- Prior art keywords
- injection
- pipe
- injection pipe
- intelligent
- nozzle
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/02—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid
- F04F5/10—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles (AREA)
Abstract
The invention discloses an intelligent injection pump.A main body of the intelligent injection pump consists of two sections of an injection pipe at the front part and a mixing pipe at the rear part; the front end of the injection pipe is provided with an injection flange; the rear section of the inner cavity of the injection pipe is provided with a nozzle which is in a closing-up horn shape along the injection direction; the inner cavity of the mixing tube is a spraying channel which is formed by a closed-up bell-mouth section, a cylindrical section and a flared bell-mouth section in sequence along the spraying direction; the rear end of the nozzle partially extends into the closed-up bell mouth section of the mixing tube; an injection pipe is arranged on the side wall of the injection pipe corresponding to the nozzle; and the inlets of the injection pipe and the injection pipe are respectively provided with an injection valve clack and an injection valve clack. The invention can solve the problems that the existing balance technology is high in debugging difficulty, low in equipment energy efficiency, small in adjusting amplitude, incapable of realizing intelligent and accurate heat supply and the like.
Description
Technical Field
The invention relates to an intelligent hydraulic balance device of a heat supply air-conditioning system.
Background
The pipeline resistance characteristic curve of the heating and air-conditioning system is different from the design due to the design, construction, equipment materials and the like, so that the actual operation flow of each user of the system deviates from the design flow, and hydraulic imbalance of the system is caused, and the hydraulic imbalance is inherent and stable in the system. The common technical means is to add a balance valve, an electric regulating valve, an injection pump and the like at a branch. The traditional water injection in the patent CN 110173471A needs 180 degrees of reverse flow to be mixed with the injection water, so that the energy efficiency of the equipment is reduced.
Disclosure of Invention
The invention aims to provide an intelligent injection pump, which solves the problems that the existing balance technology is high in debugging difficulty, low in equipment energy efficiency and small in adjusting amplitude, intelligent and accurate heat supply cannot be realized and the like.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
an intelligent injection pump comprises an injection flange 1, an injection pipe 2, a nozzle 3, a mixing pipe 4, an injection pipe 5 and an injection flange 6; the intelligent jet pump is characterized in that the intelligent jet pump main body consists of two sections of a front jet pipe 2 and a rear mixing pipe 4; the front end of the injection pipe 2 is provided with an injection flange 1, and the injection flange 1 is connected with a corresponding flange of a high-temperature water supply pipe of the heat supply network; a nozzle 3 which is in a closing-up horn shape along the spraying direction is arranged at the rear section of the inner cavity of the spraying pipe 2; the inner cavity of the mixing tube 4 is a spraying channel consisting of a closed-up bell-mouth section, a cylindrical section and a flared bell-mouth section in sequence along the spraying direction; the rear end of the nozzle 3 partially extends into the closed-up bell-mouth section of the mixing tube 4; the rear end of the mixing pipe 4 is connected with the water inlet pipe end of a hot user through a flange device; an injection pipe 5 is arranged on the side wall of the injection pipe 2 corresponding to the nozzle 3, one end of the injection pipe 5 is communicated with the space between the injection pipe 2 and the nozzle 3, the other end of the injection pipe is connected with a hot user water return pipe through an injection flange 6, and the injection water entering from the lower part are directly mixed at the front end of the inner cavity of the mixing pipe 4; and the inlets of the injection pipe 2 and the injection pipe 5 are respectively provided with an injection valve clack 15 and an injection valve clack 16, and the injection valve clack 15 and the injection valve clack 16 are manually or electrically adjusted through a shaft valve 7.
The shaft valve 7 is respectively arranged on the injection pipe 2 and the injection pipe 5 through a valve shaft seat sleeve and a locking nut 8.
The injection pipe 5 is perpendicular to the axial lead of the injection pipe 2, and the center of the injection inlet is arranged towards the outer wall of the nozzle.
Three-in-one branch pipes for pressure measurement, temperature measurement and pollution discharge are reserved on the front half section of the injection pipe 2, the rear part of the mixing pipe 4 and the injection pipe 5 along different directions of the peripheral sides.
When the flow of the system is insufficient, the jet pipe 2 and the three-in-one branch reserved on the mixing pipe 4 are mutually connected by a rigid hose to supplement the flow; 1 to 3 rigid hoses are correspondingly connected according to needs.
The cone angle of the nozzle 3 is 10-40 degrees, the cone angle of the closed-mouth-shaped bell-mouth section of the inner cavity of the mixing tube 4 along the spraying direction is 10-40 degrees, and the cone angle of the flared-mouth-shaped bell-mouth section in the mixing tube 4 is 5-35 degrees.
The ratio of the cross-sectional area of the cylindrical section in the mixing pipe 4 to the cross-sectional area of the nozzle 3 at the smallest position is 2-5.
The invention has the advantages and positive effects that:
1. the water flow directions of the water injection and the water injection are smoother, and the energy efficiency of the equipment can be improved.
2. The pressure measurement/temperature measurement/the trinity branch pipe of scrubbing that intelligence jet pump reserved all has the reservation in the not equidirectional equipment simultaneously, can install the operation according to on-the-spot actual conditions.
3. The invention is an opposite-shaped pipe fitting, and is simple to install
4. The product of the invention has more stable structure and is not easy to deform in the processes of carrying, maintaining and the like.
5. A pressure measuring branch pipe, a temperature measuring branch pipe and a pollution discharging branch pipe are reserved, the pressure and the temperature can be displayed locally, a remote pressure pipe fitting can be inserted, and data are transmitted to the intelligent heat supply cloud platform; meanwhile, the flow value of the fluid entering the equipment can be calculated through the pressure difference value of the jet orifice/the ejection orifice/the mixing orifice. When dirty objects such as welding slag, rust slag and the like in the system are cleaned by backwashing.
6. When the flow of the system is insufficient, the three-in-one branch reserved by the injection pipe 2 and the mixing pipe 4 can be connected by a rigid hose to supplement the flow.
7. The jet orifice and the injection orifice are both provided with regulating valve clacks, and the valve shaft 7 can be manually regulated to change the opening degree of the 15 injection valve clack or the 16 injection valve clack, thereby realizing the purpose of regulating the flow.
8. 7 departments of valve shaft can install intelligent electric actuator, adjust the valve clack aperture according to the instruction that wisdom heat supply cloud platform was assigned to satisfy user's demand.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a bottom view of fig. 1.
Fig. 3 is a left side view of fig. 2.
Numbering in the figures: 1 injection flange, 2 injection pipes, 3 nozzles, 4 mixing pipes, 5 injection pipes, 6 injection flanges, 7 valve shafts, 4 locking nuts, 9 pressure measurement/temperature measurement and decontamination branch pipes, 3 pressure measurement joints, 6 hexagon socket screw plugs, 12 sealing rings, 4 valve shaft seat sleeves, 3 decontamination bolts, 15 injection valve clacks and 16 injection valve clacks.
Detailed Description
The specific structure of the invention is shown in figures 1, 2 and 3. An intelligent injection pump comprises an injection flange 1, an injection pipe 2, a nozzle 3, a mixing pipe 4, an injection pipe 5 and an injection flange 6. The intelligent jet pump main body is composed of a front jet pipe 2 and a rear mixing pipe 4. The front end of the injection pipe 2 is provided with an injection flange 1, and the injection flange 1 is connected with a corresponding flange of a high-temperature water supply pipe of a heat supply network. The rear section of the inner cavity of the injection pipe 2 is provided with a nozzle 3 which is in a closing-up horn shape along the injection direction. The inner cavity of the mixing tube 4 is a spraying channel which is composed of a closing-up-shaped bell mouth section, a cylinder section and a flaring-shaped bell mouth section in sequence along the spraying direction. The rear end of the nozzle 3 partially extends into the closed-up bell-mouth section of the mixing tube 4; the rear end of the mixing pipe 4 is connected with the water inlet pipe end of a hot user through a flange device. On the lateral wall of injection pipe 2, correspond nozzle 3 department, install and draw and penetrate pipe 5, should draw and penetrate 5 one end and injection pipe 2 and the space intercommunication between the nozzle 3, the other end is connected with hot user's wet return through drawing penetrating flange 6. The injection water and the injection water entering from the lower part are directly mixed at the front end of the inner cavity of the mixing pipe 4; and the inlets of the injection pipe 2 and the injection pipe 5 are respectively provided with an injection valve clack 15 and an injection valve clack 16, and the injection valve clack 15 and the injection valve clack 16 are manually or electrically adjusted through a shaft valve 7.
The shaft valve 7 is respectively arranged on the injection pipe 2 and the injection pipe 5 through a valve shaft seat sleeve and a locking nut 8. The injection pipe 5 is perpendicular to the axial lead of the injection pipe 2, and the center of the injection inlet is arranged towards the outer wall of the nozzle.
See fig. 1 and 2. Three-in-one branch pipes 9 for pressure measurement, temperature measurement and pollution discharge are reserved on the front half section of the injection pipe 2, the rear part of the mixing pipe 4 and the injection pipe 5 along different directions of the peripheral sides.
When the flow of the system is insufficient, the jet pipe 2 and the three-in-one branch reserved on the mixing pipe 4 are mutually connected by a rigid hose to supplement the flow; 1 to 3 rigid hoses are correspondingly connected according to needs.
The cone angle of the nozzle 3 is 10-40 degrees, the cone angle of the closed-mouth-shaped bell-mouth section of the inner cavity of the mixing tube 4 along the spraying direction is 10-40 degrees, and the cone angle of the flared-mouth-shaped bell-mouth section in the mixing tube 4 is 5-35 degrees.
The ratio of the cross-sectional area of the cylindrical section in the mixing pipe 4 to the cross-sectional area of the nozzle 3 at the smallest position is 2-5.
The invention is arranged at the branch of a heat supply air-conditioning system and is used for solving the hydraulic balance of the system, and the working principle is that system water supply enters an intelligent jet pump through a jet flange 1, part of user backwater enters the intelligent jet pump through a jet flange 6, and the system water supply and the intelligent jet pump enter a user after being fully exchanged in a mixing pipe 4.
The jet orifice and the injection orifice are both provided with regulating valve clacks, and the valve shaft 7 can be manually regulated to change the opening degree of the 15 injection valve clack or the 16 injection valve clack, thereby realizing the purpose of regulating the flow. 7 departments of valve shaft can install intelligent electric actuator, adjust the valve clack aperture according to the instruction that wisdom heat supply cloud platform was assigned to satisfy user's demand.
The invention changes the internal structure that the injected water in CN 110173471A needs to flow 180 degrees in the reverse direction to be mixed with the injected water, thereby improving the energy efficiency.
Claims (7)
1. An intelligent injection pump comprises an injection flange (1), an injection pipe (2), a nozzle (3), a mixing pipe (4), an injection pipe (5) and an injection flange (6); the intelligent jet pump is characterized in that the intelligent jet pump main body consists of two sections of a front jet pipe (2) and a rear mixing pipe (4); the front end of the injection pipe (2) is provided with an injection flange (1), and the injection flange (1) is connected with a corresponding flange of a high-temperature water supply pipe of the heat supply network; a nozzle (3) which is in a closing-up horn shape along the spraying direction is arranged at the rear section of the inner cavity of the spraying pipe (2); the inner cavity of the mixing tube (4) is a channel formed by a closed-up bell-mouth section, a cylindrical section and a flared bell-mouth section in sequence along the injection direction; the rear end of the nozzle (3) partially extends into the closed-up bell mouth section of the mixing tube (4); the rear end of the mixing pipe (4) is connected with the water inlet pipe end of a user through a flange device; an injection pipe (5) is arranged on the side wall of the injection pipe (2) corresponding to the nozzle (3), one end of the injection pipe (5) is communicated with the space between the injection pipe (2) and the nozzle (3), the other end of the injection pipe is connected with a water return pipe of a user through an injection flange (3), and injection water entering from the lower part are directly mixed at the front end of the inner cavity of the mixing pipe (4); and the inlets of the injection pipe (2) and the injection pipe (5) are respectively provided with an injection valve clack (15) and an injection valve clack (16), and the injection valve clack (15) and the injection valve clack (16) are manually or electrically adjusted through a shaft valve (7).
2. An intelligent injection pump according to claim 1, wherein the shaft valve (7) is mounted on the injection pipe (2) and the injection pipe (5) through a valve shaft sleeve and a lock nut (8), respectively.
3. An intelligent injection pump according to claim 1, wherein the injection pipe (5) is perpendicular to the axial line of the injection pipe (2), and the center of the injection inlet is arranged towards the outer wall of the nozzle.
4. An intelligent injection pump according to claim 1, characterized in that three-in-one branch pipes (9) for pressure measurement, temperature measurement and sewage discharge are reserved on the front half section of the injection pipe (2), the rear part of the mixing pipe (4) and the injection pipe (5) along different directions of the peripheral side.
5. An intelligent injection pump according to claim 1, characterized in that when the flow rate of the system is insufficient, the three-in-one branch pipe reserved on the injection pipe (2) and the mixing pipe (4) is connected with each other by a rigid hose to supplement the flow rate; 1 to 3 rigid hoses are correspondingly connected according to needs.
6. An intelligent spray pump according to claim 1, wherein the cone angle of the nozzle (3) is 10-40 °, the cone angle of the convergent flared section of the mixing tube (4) lumen in the spray direction is 10-40 °, and the cone angle of the divergent flared section of the mixing tube (4) is 5-35 °.
7. An intelligent ejector pump according to claim 1, characterised in that the ratio of the cross-sectional area of the cylindrical section inside the mixing tube (4) to the cross-sectional area of the smallest part of the nozzle (3) is 2-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110672580.9A CN113202824A (en) | 2021-06-17 | 2021-06-17 | Intelligent jet pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110672580.9A CN113202824A (en) | 2021-06-17 | 2021-06-17 | Intelligent jet pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113202824A true CN113202824A (en) | 2021-08-03 |
Family
ID=77022401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110672580.9A Pending CN113202824A (en) | 2021-06-17 | 2021-06-17 | Intelligent jet pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113202824A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263824A (en) * | 2022-08-16 | 2022-11-01 | 北京源典科技有限公司 | Adjustable jet pump |
-
2021
- 2021-06-17 CN CN202110672580.9A patent/CN113202824A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263824A (en) * | 2022-08-16 | 2022-11-01 | 北京源典科技有限公司 | Adjustable jet pump |
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