CN2692613Y - Injector set for heating heat exchange - Google Patents
Injector set for heating heat exchange Download PDFInfo
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- CN2692613Y CN2692613Y CN 200420039852 CN200420039852U CN2692613Y CN 2692613 Y CN2692613 Y CN 2692613Y CN 200420039852 CN200420039852 CN 200420039852 CN 200420039852 U CN200420039852 U CN 200420039852U CN 2692613 Y CN2692613 Y CN 2692613Y
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- water inlet
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- pump
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Abstract
The utility model discloses an injector set for heating heat exchange which is a spraying device for converting high temperature water into moderate temperature in a heating system, comprising an ejector pump composed of an outer housing, a mixing chamber, a nozzle, a diffusion tube, etc. According to the jet stream principle, the nozzle liquid can form negative pressure in the mixing chamber so as to suck return water into the mixing chamber and realize the heat exchange by mixing two kinds of liquids. The primary water inlet pipe of the ejector pump adopts a flange for connecting so as to change the nozzle. A self-drawing water inlet is connected outside the end of the mixing chamber. A butterfly valve and a check valve are provided so as to control flow quantity and change the mixing temperature. The front end of the mixing chamber of the ejector pump is provided with a flow-aiding pump inlet which is connected with the butterfly valve, the check valve, a temperature control valve, a sensor, a flow-aiding valve and a control cabinet to form an automatic control system so as to forcibly mix under the condition that the differential pressure between once supplying and backing water can not reach the technical requirement. The utility model which has simple structure, convenient installation and reliable performance is suitable for different differential pressures and different pressures to achieve the aim of heat exchange in any condition and realize unattended operation.
Description
Affiliated technical field
The utility model belongs to the heating heat-exchange system regulation and control a kind of injection apparatus for amount, and it is to utilize hot water or the steam injection unit for working media.
Technical background
At present, along with the development of Environmental Protection in China cause, purify blue sky and reduce pollution, become the cardinal task of central heating industry, thus central heating in all parts of the country like rain the back spring bamboo, various heat transmission equipments also expose one after another, traditional heat transmission equipment is nothing more than two big class, i.e. shell-and-tube and plate type heat exchangers.The characteristics of shell-and-tube heat exchanger are to have the ability of row's dirt voluntarily, and its heat exchange efficiency reaches as high as about 80%, and its shortcoming is that volume is big, floor space big, maintenance is extremely inconvenient, so it is very limited in the use of heat exchange industry.Plate type heat exchanger is popular in recent years heat exchange product, its volume is little, installation and maintenance are simple and convenient and be subjected to user's favor, though its thermal efficiency is greater than shell-and-tube heat exchanger, but its easy fouling, clean once about 3 years, every cleaning once will be changed mat one time, bring a lot of troubles and will cause very big expenses to the user.The total shortcoming of shell-and-tube and plate type heat exchanger is: one, its shared construction investment is very big; Two, their secondary water-supply must be confessed water through the motor drives water pump; Three, it is on duty that every complete equipment must be established the special messenger.
A kind of hot water jet heater is disclosed in the Chinese patent application numbers 98217318, the technical scheme that it is adopted is: housing middle part for the necking down two ends respectively to the conical reducer pipe of external diffusion, the undergauge at housing middle part is a mixed flow tube, the conical tube of reducer pipe one end opening is an anemostat, the mouth of pipe of anemostat is provided with flange, reducer pipe other end conical tube is connecting the cylindric mixing chamber of end sealing, the blind end of mixing chamber is installed with the blast tube that has the high-temperature-hot-water water inlet pipe, adjusting device is installed in blast tube, the low temperature backwater water inlet pipe that has flange is being set at the sidepiece of mixing chamber blind end.
Though this heater has solved energy-conservation and low-cost problem to a certain extent, but the problem of its existence is a poor practicability, main cause is that a pipe network is different because of different environments for use for the pressure reduction between the backwater, when the pressure reduction between the two hour, this kind heater is cisco unity malfunction, moreover the adjusting device of installing in its blast tube, the setting of mixing chamber, not only causes complex structure, but also cause spray nozzle clogging easily, influence its service behaviour.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and provides a kind of simple in structure, easy for installation, dependable performance and be applicable to that different pressure reduction, different pressures are issued to the purpose of heat exchange in any form, and can realize that unattended heating heat-exchange is with spraying unit.
Basic scheme of the present utility model is: heating heat-exchange is with spraying unit, it comprises jet pump, this jet pump one end connects water supply network of high temperature water inlet, the other end connects user's pipeline, jet pump mixing chamber outside is provided with the self-priming water inlet that is communicated with return pipe, it is characterized in that: described jet pump comprises shell, mixing chamber, nozzle, diffuser pipe, and its nozzle adopts silk mouthful connection; Jet pump adopts flange to be connected with a water feed pipe; Be provided with butterfly valve, check-valves between self-priming water inlet and the return pipe; Also be provided with a flow aiding pump water inlet at jet pump mixing chamber front end, it is communicated with return pipe by flange connection, butterfly valve, check-valves, flow aiding pump, and forms robot control system(RCS) with temperature measurement sensing equipment, switch board.
To such scheme further specify into: heating heat-exchange with spraying unit, be to act on the injection apparatus that heating system is converted to high-temperature water neutral temperature, it comprises the jet pump that shell, mixing chamber, nozzle, diffuser pipe etc. are formed, it is according to jet current principle, the high temperature water inlet of a pipe network is changed its fluid velocity by nozzle, in mixing chamber, form negative pressure, thereby backwater is sucked mixing chamber, two kinds of fluids are mixed, reach the purpose of heat exchange, adopt flange to connect at a water water inlet pipe place of jet pump, so that under different pressure reduction, change nozzle.Be connected to the self-priming water inlet in the outside of mixing chamber end, be provided with butterfly valve, check-valves and change mixing temperature with the control flow; At jet pump mixing chamber front end one flow aiding pump water inlet is arranged in addition, it forms robot control system(RCS) by flange connection, butterfly valve, check-valves, temperature control valve, sensor, flow aiding pump, switch board, so that once do not reaching the purpose of mixing by force under the situation of specification requirement for the pressure reduction between the backwater.Because the secondary water output at jet pump is equipped with temperature measurement sensing equipment,, reach the purpose that temperature is regulated voluntarily, controlled automatically by the switch board operational amplifier.
It can make plain edition and intelligent two kinds of series, and the difference of the two is to have or not robot control system(RCS); Specification is multiple.
Its course of work is: the high-temperature-hot-water of a pipe network enters the HTHP pipeline and produces injection, because the huge jet-action of fluid, form negative pressure at mixing chamber, thereby the mixing of two kinds of fluids is carried out in the backwater suction of secondary pipe network, reach the thermal medium of output neutral temperature.The backwater part of a pipe network is sucked mixing chamber by negative pressure and produces mixing; Another part is got back to the primary water pipe network, if once do not reach technical conditions for the pressure reduction between the return pipe net, the injection dynamics is not enough, mixing chamber can not made negative pressure, the secondary backwater has been difficult to be inhaled into generation not the mixing of two kinds of fluids, at this moment be high-temperature-hot-water in secondary water output output, the temperature measurement sensing equipment that is installed in output this moment is passed to control system rapidly with the temperature signal of output, the temperature parameter that operational amplifier will set and the temperature signal of output do one relatively, thereby send instruction rapidly, the actuating of relay, flow aiding pump starting, with secondary network users backwater injecting jet pump by force, thereby reach output water moderate moisture.Change the angle of valve or change the rotating speed of flow aiding pump, both can change the temperature of output by frequency converter.Because this unit has adopted self-con-tained unit, so output temperature remains in the setting range forever, controls purpose completely automatically thereby reach.
The invention has the beneficial effects as follows:
One, need not big construction investment.Any convenient place that connects first and second pipe network can, as basement, idle garage, half ground type room can, the unit that specification is little takies five, six quadratures, big two, 30 squares can meet the demands, so saved a large amount of construction investments.
Two, save a large amount of electricity charge.In the place that once meets the specification for the pressure reduction between, the backwater, spray unit and do not have any power corollary equipment, just do not exist corresponding electric cabinet, electricity to pull line and all electrical equipment and electricity charge spending yet, spending with normal electrical equipment damage maintenance aspect, because device structure is simple, safe and reliable to operation, no-rotary part, so can realize unmanned, economize on electricity can be more than 85%, and labour cost and maintenance cost also can be saved more than 80%, thereby have reduced operating cost to enterprise, reduce equipment investment, improved economic benefit greatly.Even if use flow aiding pump under the inaccessible condition of pressure reduction, the power of the flow aiding pump also power than the circulating pump that is equipped with following other heat exchanger that adopts of the situation of homalographic is little three to five times.
Three, thermal efficiency height.Because it adopts the direct hybrid mode of medium, except that the heat of equipment own distributes, do not exist any heat to run off, so its heat of mixing efficient more than 98%, heat exchange efficiency can exceed more than the 20%-30% than legacy equipment.
Four, installation and maintenance are convenient: owing to spray the unit compact conformation, and reliable, flexible for installation, can use the place that heating heat-exchange is arranged at any one, what specification was little keeps supplying thousand square metres, and big supplies several ten thousand square metres, as the place of building dispersion, or the place of main villous themeda road process, some fragmentary this equipment of heating user installation is then best, and many uses can be adopted in place that building is intensive or sub-district, install flexibly, bring many convenience to the user.
Five, be beneficial to environmental protection.Traditional heat transmission equipment, owing to adopted the motor of different capabilities, the noise that it sends becomes new pollution sources again, brings new harm to surrounding resident, and sprays unit owing to no any power-equipment, so there is not noise pollution.
Six, equipment investment is little.Traditional heat transmission equipment output investment ratio is bigger, with regard to equipment, a complete set of equipment investment of little heat exchange station also wants tens0000, medium-sized generally all more than 300,000, big then more than six or seven ten ten thousand, and spray the little ability about 20,000 of unit, big by about 50,000, it and legacy equipment compare, and investment can be saved more than 50%.
Description of drawings
Figure is a schematic diagram of the present utility model.
1 shell among the figure; 2 diffuser pipes; 3 temperature measurement sensing equipments; 4 butterfly valves; 5 Pressure gauges; 6 user's pipelines, 7 user's water return pipelines; 8 Pressure gauges; 9 butterfly valves; 10 thermometers; 11 flanges connect; 12 butterfly valves; 13 flow aiding pumps; 14 check-valves; 15 butterfly valves; 16 flanges; 17 butterfly valves; 18 check-valves; 19 butterfly valves; 20 flow aiding pump water inlets; 21, self-priming water inlet; 22 Pressure gauges; 23 electric control valves; 24 electric control valves; 25 return pipes; 26 feed pipes; 27 HTHP pipes; 28 high pressure nozzles; 29 Pressure gauges; 30 thermometers; 31 backwater delivery ports; 32 backwater delivery ports; 33 pressure-reducing valves; 34 mixing chambers; 35 dirt separators; 36 primary water pipes.
The specific embodiment
With reference to accompanying drawing, be that medium is described as follows with water.
Heating heat-exchange is with spraying unit, it comprise feed pipe 26, jet pump, user's pipeline 6, user's water return pipeline 7,, parts such as return pipe 25, self-priming inlet pipeline, flow aiding pump inlet pipeline, primary water pipe 36.
Jet pump one end connects feed pipe 26 of high temperature water inlet, and the other end connects user's pipeline 6.Between jet pump and a feed pipe 26, be provided with and be connected with HTHP pipe 27 along this butterfly valve that is connected 4, dirt separator 35, pressure-reducing valve 33, butterfly valve; On a feed pipe 26, also be provided with thermometer and Pressure gauge 5.Between jet pump and user's pipeline 6, be provided with butterfly valve 15, temperature measurement sensing equipment 3, Pressure gauge 22.
Jet pump comprises tubbiness shell 1, mixing chamber 34, nozzle 28, diffuser pipe 2, and its nozzle 28 adopts silk mouthful connection.Jet pump adopts flange to be connected 11 with a water feed pipe, so that change nozzle 28 under different pressure reduction.
Be provided with butterfly valve 19, check-valves 18, electric control valve 23, butterfly valve 17, backwater delivery port 31 successively by flange 16 between self-priming water inlet 21 and the return pipe 25.Also be provided with a flow aiding pump water inlet 20 at jet pump mixing chamber front end, it is connected with butterfly valve, check-valves 14, electric control valve 24, flow aiding pump 13, butterfly valve 15, backwater delivery port 32 connection return pipes 25 by flange.By temperature control valve 3, electric control valve 23,24, flow aiding pump 13, switch board are formed robot control system(RCS) together.
The user's water return pipeline 7 that connects the user goes out to be provided with butterfly valve 9, Pressure gauge 8, thermometer 10.
Between return pipe 25 and primary water pipe 36, be provided with thermometer 30, Pressure gauge 29, butterfly valve 12.
Various valves, table, pump, pipeline related in the utility model are more common in the present technique field.
Claims (1)
1. heating heat-exchange is with spraying unit, it comprises jet pump, this jet pump one end connects water supply network of high temperature water inlet, the other end connects user's pipeline, jet pump mixing chamber outside is provided with the self-priming water inlet that is communicated with return pipe, it is characterized in that: described jet pump comprises shell, mixing chamber, nozzle, diffuser pipe, and its nozzle adopts silk mouthful connection; Jet pump adopts flange to be connected with a feed pipe; Be provided with butterfly valve, check-valves between self-priming water inlet and the return pipe; Also be provided with a flow aiding pump water inlet at jet pump mixing chamber front end, it is communicated with return pipe by flange connection, butterfly valve, check-valves, flow aiding pump, and forms robot control system(RCS) with temperature measurement sensing equipment, switch board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420039852 CN2692613Y (en) | 2004-04-20 | 2004-04-20 | Injector set for heating heat exchange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420039852 CN2692613Y (en) | 2004-04-20 | 2004-04-20 | Injector set for heating heat exchange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2692613Y true CN2692613Y (en) | 2005-04-13 |
Family
ID=34774048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420039852 Expired - Fee Related CN2692613Y (en) | 2004-04-20 | 2004-04-20 | Injector set for heating heat exchange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2692613Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345894A (en) * | 2011-02-12 | 2012-02-08 | 曾喜平 | Heating system of distribution-combined-type adjustable injection pump |
| CN102494545A (en) * | 2011-12-16 | 2012-06-13 | 东莞理文造纸厂有限公司 | Mixed jet type heat exchanger |
| CN109340902A (en) * | 2018-10-17 | 2019-02-15 | 余宝法 | A kind of adjustment type water stream injection pump is for heat balance system and its balance method |
| CN110131219A (en) * | 2019-06-12 | 2019-08-16 | 青岛海瑞智能工程有限公司 | Equal-pressure-difference flow increasing control system and its method |
-
2004
- 2004-04-20 CN CN 200420039852 patent/CN2692613Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345894A (en) * | 2011-02-12 | 2012-02-08 | 曾喜平 | Heating system of distribution-combined-type adjustable injection pump |
| CN102494545A (en) * | 2011-12-16 | 2012-06-13 | 东莞理文造纸厂有限公司 | Mixed jet type heat exchanger |
| CN109340902A (en) * | 2018-10-17 | 2019-02-15 | 余宝法 | A kind of adjustment type water stream injection pump is for heat balance system and its balance method |
| CN110131219A (en) * | 2019-06-12 | 2019-08-16 | 青岛海瑞智能工程有限公司 | Equal-pressure-difference flow increasing control system and its method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050413 Termination date: 20110420 |