CN114151389A - Low-pressure steam recycling device - Google Patents

Low-pressure steam recycling device Download PDF

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Publication number
CN114151389A
CN114151389A CN202111483280.2A CN202111483280A CN114151389A CN 114151389 A CN114151389 A CN 114151389A CN 202111483280 A CN202111483280 A CN 202111483280A CN 114151389 A CN114151389 A CN 114151389A
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CN
China
Prior art keywords
pipe
pressure
pressure steam
low
steam
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Granted
Application number
CN202111483280.2A
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Chinese (zh)
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CN114151389B (en
Inventor
杨楚周
李永华
陈正辉
王力锋
贺英伦
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Ningbo Golden Hair New Materials Co ltd
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Ningbo Golden Hair New Materials Co ltd
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Priority to CN202111483280.2A priority Critical patent/CN114151389B/en
Publication of CN114151389A publication Critical patent/CN114151389A/en
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Publication of CN114151389B publication Critical patent/CN114151389B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
    • F04F5/16Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/46Arrangements of nozzles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/46Arrangements of nozzles
    • F04F5/463Arrangements of nozzles with provisions for mixing

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Jet Pumps And Other Pumps (AREA)

Abstract

The invention relates to the technical field of steam recovery, in particular to a low-pressure steam recycling device which comprises a pressure changing head, a guide pipe and a heating square pipe, wherein the pressure changing head comprises a high-pressure nozzle, a suction pipe and an outer pipe sleeve, the high-pressure nozzle is arranged on one side of the outer pipe sleeve, the high-pressure nozzle is externally connected with high-pressure steam, the suction pipe is arranged on the lower side of the outer pipe sleeve and communicated with the outer pipe sleeve, the outer pipe sleeve is communicated with the guide pipe, the high-pressure nozzle is additionally arranged, the high-pressure nozzle is used for ejecting the high-pressure steam to drive the low-pressure steam in the suction pipe to flow, so that the high-pressure steam and the low-pressure steam are mixed and exchange energy, the low-pressure steam also has a certain flow velocity and is matched to be conveyed to the heating square pipe to complete the subsequent heating work on other objects, and the waste heat of the low-pressure steam is reasonably utilized.

Description

Low-pressure steam recycling device
Technical Field
The invention relates to the technical field of steam recovery, in particular to a low-pressure steam recovery device.
Background
In the industrial fields of paper manufacture, pharmacy, forging, etc., large quantities of low-pressure steam, also called dead steam,
in the prior art, the steam is often directly discharged to the atmosphere, so that the heat contained in the steam is directly wasted, and the reasonable utilization of heat energy resources is not facilitated.
Disclosure of Invention
The invention aims to provide a low-pressure steam recycling device to solve the problem that low-pressure steam in the prior art cannot be reasonably utilized.
In order to achieve the above object, the present invention provides a low pressure steam recycling device, which includes a pressure changing head, a guide tube and a heating square tube, wherein the pressure changing head is disposed at one end of the guide tube and is communicated with the guide tube, and the heating square tube is disposed at the outer side of the guide tube and is communicated with the pressure changing head through the guide tube;
the pressure change head comprises a high-pressure nozzle, a suction pipe and an outer sleeve, the high-pressure nozzle is arranged on one side of the outer sleeve, high-pressure steam is externally connected with the high-pressure nozzle, the suction pipe is arranged on the lower side of the outer sleeve, the suction pipe is communicated with the outer sleeve, and the outer sleeve is communicated with the guide pipe.
Utilize pressure changes the first cooperation of head the guiding tube, utilizes pressure changes first output high pressure steam to low pressure steam in with the production process drives and mixes, makes original low pressure steam have certain velocity of flow, passes through letting mist the heating side pipe, it is right to utilize mist's waste heat to realize heating the heating of heating side pipe, thereby satisfies the demand of heating, and adds high pressure nozzle cooperation the suction tube, through high pressure nozzle spun high pressure steam drives low pressure steam in the suction tube mixes, thereby satisfies the promotion to the velocity of flow of steam, and then realizes the rational use to the steam waste heat.
Wherein, high pressure nozzle has pressure change chamber, larynx neck end and blowout nozzle, the pressure change chamber set up in the inboard of blowout nozzle, and run through the blowout nozzle, larynx neck end then set up in the center department in pressure change chamber, just larynx neck end is the toper structure, the blowout nozzle then set up in the one end of outer jacket.
Utilize the pressure changes the chamber adaptation larynx neck end for high-pressure steam's pressure changes, thereby makes high-pressure steam's velocity of flow slow, mixes with low-pressure steam fully, and then realizes high-pressure steam and the abundant exchange of low-pressure steam energy, and then rational utilization low-pressure steam's waste heat.
The outer pipe is sleeved with a mixing chamber, a throat pipe and a pressure reducing chamber, the mixing chamber is arranged on the outer side of the ejection nozzle and is communicated with the pressure reducing chamber through the throat pipe, and the pressure reducing chamber is of a horn-shaped structure and is communicated with the guide pipe.
The mixing chamber is used for mixing low-pressure steam and high-pressure steam, the throat is used for changing the flow velocity of the mixed steam in the mixing chamber, the mixed steam can be reduced in speed again after passing through the depressurization chamber, the mixed steam can be guided into the heating square tube by the guide tube, and heating is achieved by utilizing waste heat.
The throat pipe comprises a one-way valve plate, a guide ring and a pipe body, the guide ring is connected with the pipe body in a sliding mode and arranged on the inner side of the pipe body, the one-way valve plate is fixedly connected with the guide ring, and the one-way valve plate is matched with the pressure reducing chamber.
Utilize the check valve piece realize right the one-way transmission of mist, and then carry on subsequently the during operation of heating side's pipe, avoid heating the interior backward flow of remaining steam of square pipe to in the pressure change head.
The one-way valve plate is provided with a rubber sheet and a fixed plate, the fixed plate is fixedly connected with the guide ring, the fixed plate is arranged on one side, away from the mixing chamber, of the guide ring, the rubber sheet is sleeved on the outer peripheral side of the fixed plate, and the rubber sheet is matched with the depressurization chamber.
Utilize the rubber piece seals the depressurization chamber, utilize the rubber piece with the depressurization chamber laminating to stop when the mixed steam of mixing chamber transmits, can make the palirrhea phenomenon can not appear in the interior residual steam of depressurization chamber, the body then is used for guiding mixed steam's flow direction, and then is convenient for the cooperation to carry out subsequent heating work.
Wherein, the suction tube is equipped with flange and mouth of pipe, flange encircles the mouth of pipe, just the mouth of pipe passes through flange is fixed with the low pressure steam input, the mouth of pipe still runs through outer jacket carries low pressure steam, with the high pressure steam that the high pressure nozzle carried mixes.
The connecting flange is matched with the pipe orifice, so that the suction pipe can be fixedly connected with the input end of low-pressure steam, and the pipe orifice is used for matching the transmission of the low-pressure steam.
According to the low-pressure steam recycling device, the high-pressure nozzle is additionally arranged, high-pressure steam is sprayed out by the high-pressure nozzle to drive the low-pressure steam in the suction pipe to flow, so that the high-pressure steam and the low-pressure steam are mixed and exchange energy, the low-pressure steam also has a certain flow velocity and is conveyed to the heating square pipe in a matching manner to complete the subsequent heating work on other objects, and therefore the waste heat of the low-pressure steam is reasonably utilized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a forward structure of a low-pressure steam recycling device provided by the invention.
Fig. 2 is a schematic view of a reverse structure of the low-pressure steam recycling device provided by the invention.
Fig. 3 is a schematic top view of the low pressure steam recycling device according to the present invention.
Fig. 4 is a schematic sectional view of a square heating tube of the low-pressure steam recycling device according to the present invention.
Fig. 5 is a schematic cross-sectional view of a pressure changing head of a low pressure steam recycling apparatus according to the present invention.
1-pressure changing head, 2-guide tube, 3-heating square tube, 4-high pressure nozzle, 5-suction tube, 6-outer sleeve, 7-placing tube, 8-steam circulating tube, 9-pressure changing cavity, 10-throat end, 11-spray nozzle, 12-connecting flange, 13-tube orifice, 14-mixing chamber, 15-throat tube, 16-decompression chamber, 17-guide groove, 18-heat-assisting plate, 19-communicating tube, 20-one-way valve plate, 21-guide ring, 22-tube body, 23-rubber sheet, 24-fixing plate and 25-drain tube.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 5, the present invention provides a low pressure steam recycling device, which includes a pressure changing head 1, a guide pipe 2 and a heating square pipe 3, wherein the pressure changing head 1 is disposed at one end of the guide pipe 2 and is communicated with the guide pipe 2, and the heating square pipe 3 is disposed at the outer side of the guide pipe 2 and is communicated with the pressure changing head 1 through the guide pipe 2;
the pressure change head 1 comprises a high-pressure nozzle 4, a suction pipe 5 and an outer sleeve 6, the high-pressure nozzle 4 is arranged on one side of the outer sleeve 6, the high-pressure nozzle 4 is externally connected with high-pressure steam, the suction pipe 5 is arranged on the lower side of the outer sleeve 6, the suction pipe 5 is communicated with the outer sleeve 6, and the outer sleeve 6 is communicated with the guide pipe 2.
In this embodiment, pressure change head 1 is used for changing the velocity of flow of low-pressure steam, guide tube 2 then guides the flow direction with the high-pressure steam after the low-pressure steam mixes, heating side pipe 3 is then as the structure of performance mist waste heat to satisfy subsequent heating work, high-pressure nozzle 4 blowout high-pressure steam follows through high-pressure steam 4 blowout back makes under the effect of pressure 5 inside low-pressure steam is spontaneous to mix with high-pressure steam in the suction tube, and then makes high-pressure steam's kinetic energy can transmit for low-pressure steam, also makes low-pressure steam can carry out the heat transfer with high-pressure steam the even back of mixing in outer pipe box 6 can transmit mixed steam to next step.
Further, the high-pressure nozzle 4 is provided with a pressure changing cavity 9, a throat end 10 and a nozzle 11, the pressure changing cavity 9 is arranged on the inner side of the nozzle 11 and penetrates through the nozzle 11, the throat end 10 is arranged at the center of the pressure changing cavity 9, the throat end 10 is in a conical structure, and the nozzle 11 is arranged at one end of the outer sleeve 6;
the outer pipe sleeve 6 is provided with a mixing chamber 14, a throat 15 and a pressure reducing chamber 16, the mixing chamber 14 is arranged outside the ejection nozzle 11, the mixing chamber 14 is communicated with the pressure reducing chamber 16 through the throat 15, and the pressure reducing chamber 16 is of a horn-shaped structure and is communicated with the guide pipe 2;
the throat pipe 15 comprises a one-way valve plate 20, a guide ring 21 and a pipe body 22, the guide ring 21 is connected with the pipe body 22 in a sliding mode and is arranged on the inner side of the pipe body 22, the one-way valve plate 20 is fixedly connected with the guide ring 21, and the one-way valve plate 20 is matched with the pressure reducing chamber 16;
the one-way valve plate 20 is provided with a rubber sheet 23 and a fixing plate 24, the fixing plate 24 is fixedly connected with the guide ring 21, the fixing plate 24 is arranged on one side of the guide ring 21 far away from the mixing chamber 14, the rubber sheet 23 is sleeved on the outer peripheral side of the fixing plate 24, and the rubber sheet 23 is matched with the depressurization chamber 16;
the suction tube 5 is equipped with flange 12 and mouth of pipe 13, flange 12 encircles mouth of pipe 13, just mouth of pipe 13 passes through flange 12 is fixed with the low pressure steam input end, mouth of pipe 13 still runs through outer jacket 6 carries low pressure steam, with the high pressure steam that high pressure nozzle 4 carried mixes.
In this embodiment, the pressure changing chamber 9 is used to change the pressure of the high-pressure steam, and by using the cooperation of the throat end 10, after the high-pressure steam enters from one end of the pressure changing chamber 9, the pressure is gradually increased under the action of the throat end 10, so as to increase the flow rate of the high-pressure steam when the high-pressure steam is separated from the throat end 10, after the high-pressure steam is sprayed out of the high-pressure nozzle 4 through the spraying nozzle 11, the high-pressure steam has certain kinetic energy, so that a certain negative pressure is generated at a part of the spraying nozzle 11, and due to the pressure difference, the low-pressure steam arranged inside the suction pipe 5 is washed out of the suction pipe 5, so as to enter the mixing chamber 14 from the suction pipe 5, and during the mixing process of the low-pressure steam and the high-pressure steam, the high-pressure steam transfers part of the kinetic energy to the low-pressure steam, and at this time, the low-pressure steam also has certain kinetic energy, the mixed steam formed after the high-pressure steam and the low-pressure steam are mixed is transmitted through the throat pipe 15, in the process that the mixed steam enters the throat pipe 15, the mixed steam is conveyed to the pressure reducing chamber 16 under the action of the throat pipe 15, the flow rate of the mixed steam is slowed by using the change of the space of the pressure reducing chamber 16, the mixed steam can be fully mixed with the heating square pipe 3 when entering the heating square pipe 3, the heating work is further realized, the pressure reducing chamber 16 bears the speed reduction work of the mixed steam, the throat pipe 15 bears part of the speed reduction work of the mixed steam, the automatic sealing can be realized, the one-way valve plate 20 is matched with the guide ring 21, when the mixed steam is not needed, the one-way valve plate 20 is reset under the action of the guide ring 21, the guide ring 21 is provided with an elastic piece, when the mixed steam is not needed to be subsequently heated, stop high-pressure steam's transport, the mixed steam velocity of flow descends, guide ring 21 can reset under the effect of elastic component, and then seals body 22, and rubber piece 23 then cooperates fixed plate 24, utilizes fixed plate 24 with body 22 agrees with, can accomplish right the closure of body 22, rubber piece 23 then is used for adapting to decompression chamber 16, flange 12 is used for promoting the joint strength of suction tube 5 and external low pressure steam input port, mouth of pipe 13 then is used for accepting low pressure steam.
Further, the square heating tube 3 comprises a placing tube 7 and a steam circulating tube 8, the steam circulating tube 8 is sleeved outside the placing tube 7, the steam circulating tube 8 is communicated with the guide tube 2, and the placing tube 7 is arranged inside the steam circulating tube 8;
the steam circulation pipe 8 is provided with a guide groove 17 and a plurality of heat-assisted plates 18, the guide groove 17 is arranged at the top of the steam circulation pipe 8 and arranged along the length extension direction of the steam circulation pipe 8, and the plurality of heat-assisted plates 18 are uniformly arranged on the inner side of the steam circulation pipe 8;
the steam circulation pipe 8 further comprises a communicating pipe 19 and a drain pipe 25, the communicating pipe 19 is communicated with the drain pipe 25 and the guide pipe 2, the drain pipe 25 is arranged on the lower side of the steam circulation pipe 8, and a plurality of copper meshes are arranged in the drain pipe 25.
In this embodiment, the placing pipe 7 is used for placing the object to be heated, the steam circulating pipe 8 guides the transfer of the mixed steam, when the mixed steam enters the steam through pipe 8, the mixed steam moves outside the placing pipe 7 along with the steam through pipe 8, and then the heating work of the placing pipe 7 is completed, the guiding groove 17 is used for guiding the flow direction of the condensed water drops of the mixed steam after heat exchange so as to finally complete the collection, the heat-assisted plate 18 is matched with the steam circulation pipe 8, thereby further slowing down the flow rate of the mixed steam, so that the mixed steam can be more fully stayed on the heat-assisted plate 18, and further transferring heat to the placing pipe 7 through the steam through pipe 8, wherein the communicating pipe 19 is used for connecting the water discharging pipe 25 and the guiding pipe 2, and the water discharging pipe 25 is used for discharging water drops generated in the steam through pipe 8.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (5)

1. A low-pressure steam recycling device is characterized in that,
the low-pressure steam recycling device comprises a pressure changing head (1), a guide pipe (2) and a heating square pipe (3), wherein the pressure changing head (1) is arranged at one end of the guide pipe (2) and communicated with the guide pipe (2), and the heating square pipe (3) is arranged at the outer side of the guide pipe (2) and communicated with the pressure changing head (1) through the guide pipe (2);
the pressure changing head (1) comprises a high-pressure nozzle (4), a suction pipe (5) and an outer sleeve (6), the high-pressure nozzle (4) is arranged on one side of the outer sleeve (6), high-pressure steam is externally connected with the high-pressure nozzle (4), the suction pipe (5) is arranged on the lower side of the outer sleeve (6), the suction pipe (5) is communicated with the outer sleeve (6), and the outer sleeve (6) is communicated with the guide pipe (2).
2. The low pressure steam recycling apparatus of claim 1,
high pressure nozzle (4) have pressure change chamber (9), throat neck end (10) and blowout nozzle (11), pressure change chamber (9) set up in the inboard of blowout nozzle (11), and run through blowout nozzle (11), throat neck end (10) then set up in the center department in pressure change chamber (9), just throat neck end (10) are the toper structure, blowout nozzle (11) then set up in the one end of outer pipe box (6).
3. The low pressure steam recycling apparatus of claim 2,
the outer pipe sleeve (6) is provided with a mixing chamber (14), a throat pipe (15) and a pressure reduction chamber (16), the mixing chamber (14) is arranged on the outer side of the ejection nozzle (11), the mixing chamber (14) is communicated with the pressure reduction chamber (16) through the throat pipe (15), and the pressure reduction chamber (16) is of a horn-shaped structure and is communicated with the guide pipe (2).
4. The low pressure steam recycling apparatus of claim 3,
the choke (15) comprises a check valve plate (20), a guide ring (21) and a pipe body (22), the guide ring (21) is connected with the pipe body (22) in a sliding mode and arranged on the inner side of the pipe body (22), the check valve plate (20) is fixedly connected with the guide ring (21), and the check valve plate (20) is matched with the pressure reducing chamber (16).
5. The low pressure steam recycling apparatus of claim 4,
suction tube (5) are equipped with flange (12) and mouth of pipe (13), flange (12) encircle mouth of pipe (13), just mouth of pipe (13) pass through flange (12) are fixed with the low pressure steam input end, mouth of pipe (13) still run through outer jacket (6) carry low pressure steam, with the high pressure steam that high pressure nozzle (4) carried mixes.
CN202111483280.2A 2021-12-07 2021-12-07 Low-pressure steam recycling device Active CN114151389B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111483280.2A CN114151389B (en) 2021-12-07 2021-12-07 Low-pressure steam recycling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111483280.2A CN114151389B (en) 2021-12-07 2021-12-07 Low-pressure steam recycling device

Publications (2)

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CN114151389A true CN114151389A (en) 2022-03-08
CN114151389B CN114151389B (en) 2024-05-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114938853A (en) * 2022-06-02 2022-08-26 晋江市顽皮兔食品工业有限公司 Environment-friendly equipment for processing and producing jelly and production process thereof

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Publication number Priority date Publication date Assignee Title
CN202719899U (en) * 2012-07-13 2013-02-06 王军 Jet type low-pressure waste steam recovery device
CN103016423A (en) * 2012-12-22 2013-04-03 天津天雷科技有限公司 Novel changeable-jet-nozzle-position steam ejector
CN203146450U (en) * 2013-01-15 2013-08-21 杭州美亚发电设备有限公司 Novel temperature and pressure reducer
CN104343752A (en) * 2013-08-08 2015-02-11 笹仓机械工程有限公司 Thermocompressor
CN204299977U (en) * 2014-12-13 2015-04-29 杭州隆达真空设备有限公司 Vapor pump
CN204942110U (en) * 2015-07-31 2016-01-06 陈巧琴 Novel steam recovery hot water pump
CN106765049A (en) * 2016-12-05 2017-05-31 四川大学 Steam heat pump and low-pressure steam mend the method that enthalpy supercharging is utilized
CN207989175U (en) * 2018-03-27 2018-10-19 江铃汽车股份有限公司 A kind of venturi three-way pipe and automobile
CN209054978U (en) * 2018-09-20 2019-07-02 内蒙古伊东集团东兴化工有限责任公司 A kind of boiler blow-off waste heat recovery plant
CN209228728U (en) * 2019-01-07 2019-08-09 贵州电网有限责任公司 A kind of compressed air jet device
CN212429359U (en) * 2020-04-21 2021-01-29 淼汇能源科技(上海)有限公司 Water pumping device with pressure stabilizing function

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202719899U (en) * 2012-07-13 2013-02-06 王军 Jet type low-pressure waste steam recovery device
CN103016423A (en) * 2012-12-22 2013-04-03 天津天雷科技有限公司 Novel changeable-jet-nozzle-position steam ejector
CN203146450U (en) * 2013-01-15 2013-08-21 杭州美亚发电设备有限公司 Novel temperature and pressure reducer
CN104343752A (en) * 2013-08-08 2015-02-11 笹仓机械工程有限公司 Thermocompressor
CN204299977U (en) * 2014-12-13 2015-04-29 杭州隆达真空设备有限公司 Vapor pump
CN204942110U (en) * 2015-07-31 2016-01-06 陈巧琴 Novel steam recovery hot water pump
CN106765049A (en) * 2016-12-05 2017-05-31 四川大学 Steam heat pump and low-pressure steam mend the method that enthalpy supercharging is utilized
CN207989175U (en) * 2018-03-27 2018-10-19 江铃汽车股份有限公司 A kind of venturi three-way pipe and automobile
CN209054978U (en) * 2018-09-20 2019-07-02 内蒙古伊东集团东兴化工有限责任公司 A kind of boiler blow-off waste heat recovery plant
CN209228728U (en) * 2019-01-07 2019-08-09 贵州电网有限责任公司 A kind of compressed air jet device
CN212429359U (en) * 2020-04-21 2021-01-29 淼汇能源科技(上海)有限公司 Water pumping device with pressure stabilizing function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114938853A (en) * 2022-06-02 2022-08-26 晋江市顽皮兔食品工业有限公司 Environment-friendly equipment for processing and producing jelly and production process thereof

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