CN2697567Y - Vapour injection adjustable instant heat exchanger - Google Patents
Vapour injection adjustable instant heat exchanger Download PDFInfo
- Publication number
- CN2697567Y CN2697567Y CN 200420015765 CN200420015765U CN2697567Y CN 2697567 Y CN2697567 Y CN 2697567Y CN 200420015765 CN200420015765 CN 200420015765 CN 200420015765 U CN200420015765 U CN 200420015765U CN 2697567 Y CN2697567 Y CN 2697567Y
- Authority
- CN
- China
- Prior art keywords
- core pipe
- wheel shaft
- hand wheel
- pipe
- section
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model has an outer case formed by a vapor barrel segment (20) in the front connected with a water barrel segment (25) at the back via a flange plate. In the outer case, a vapor injection pipe (9) and a segmented reducing core pipe, whose end-the pressurization segment (1) extends out of the outer case, are horizontally equipped via a supporting baffle; the vapor barrel segment of the outer case is equipped with a vapor injection pipe (12), and the water barrel segment has a front end equipped with a water inlet pipe (23) and a middle part equipped with a pressure meter (5). The front end of the outer case is equipped with a regulating mechanism having a positioning device. The circulating water enters in the segmented reducing core pipe from the front end of the segmented reducing core pipe, the vapor enters in the segmented reducing core pipe from the vapor injection pipe and mixes with the circulating water, the pressure meter displays the running condition and provides protection signal, and the regulating mechanism can dynamically regulates the water inflow and vapor inflow of the segmented reducing core pipe. The utility model, which can be applied to the heating and heat exchange, and the water supply and heat, has advantages of circulation water pump free in the operating, reliable operation, no moving, small noise, electricity free basically and simple reconditioning and maintenance, etc.
Description
Technical field
It is heat exchanger in the water-heating system of thermal source that the utility model relates to steam, and it is heat exchanger that specifically a kind of steam sprays adjustable.
Background technology
The applicant discloses a kind of steam in the patent No. is the patent document of ZL002545594 to spray adjustable be the technical scheme of heat exchanger.This technical scheme has can realize dynamic adjustments, water circulating pump, shockproof, the advantage that noise is little of not needing in service.But test finds also to exist some shortcomings: one, and shell is structure as a whole, and the relative angle of steam inlet pipe and water inlet pipe can not be adjusted, unfavorable on-the-spot installation, the processing of also unfavorable enclosure supporting clapboard.Its two, evaporation capacity for engine is set up the back and is lacked detent mechanism, the needle-valve of hand wheel shaft tail end can produce displacement under the steam pressure effect, cause the steam delivery volume actual in running and the quantity delivered of setting to depart from, and then cause leaving water temperature to depart from setting value.Its three, core pipe caudal end egress diameter is little, the hot water in the core pipe produces eddy current at this place, pressure of supply water has loss.Its four, the length of shift fork is longer, torsional strength is relatively poor, and relatively difficulty is installed also.Its five, the bypass water inlet pipe is a non-essential structural member, can remove.
The content of utility model
The purpose of this utility model is to provide one to spray adjustable about steam be the new technical scheme of heat exchanger, and this new technical scheme can keep the advantage of background technology scheme, solves the problem that exists in the background technology scheme.
The purpose of this utility model is by improving realization to the background technology scheme.
The utility model still comprises the cylindrical housing of a level, the tail end of shell has ring flange, from the head end to the afterbody, be welded with vertical in the shell successively with outer casing centerline, governor motion supporting clapboard with the annular of outer casing inner wall sealing, the steam jet supporting clapboard, core pipe front support dividing plate and core pipe back support dividing plate, the center line of these four supporting clapboards is identical with the center line of shell, wherein jet pipe supporting clapboard thread connection has the steam jet of convergent flaring, the horizontal core pipe that a reducing is arranged behind the jet pipe, this core pipe comprises first section of thread connection successively, stage casing and rear, first section of the core pipe is supported in the core pipe front support dividing plate movingly, the rear thread connection of core pipe is in core pipe back support dividing plate, first section of core pipe and the internal diameter in stage casing are convergents, the internal diameter of the rear of core pipe is a flaring, the center line of jet pipe and core pipe is identical with the center line of shell, the spout of jet pipe reaches in the front port of first section of core pipe, steam inlet pipe radially is installed on the shell wall between governor motion supporting clapboard and the jet pipe supporting clapboard, water inlet pipe radially is installed on the shell wall between jet pipe supporting clapboard and the core pipe front support dividing plate, on the shell wall between core pipe front and rear two supporting clapboards electro connecting pressure gauge is installed, first section of core pipe and the connection place in stage casing have pressure signal to draw the slit, the utility model also comprises the governor motion of throttle flow and inflow, this governor motion comprises handwheel, the horizontal hand wheel shaft and the outer axle sleeve of hand wheel shaft of handwheel are installed, thread connection is at the horizontal needle-valve of hand wheel shaft tail end, be installed in the shift fork of hand wheel shaft afterbody, and the push-and-pull lever that hand wheel shaft is hinged and be articulated in push-and-pull lever lower end and the shell head end between connecting rod, sleeve thread is connected in the governor motion supporting clapboard, between hand wheel shaft and the axle sleeve seal is arranged, the afterbody of hand wheel shaft has a cydariform section section, shift fork by the end plate of circle and the cylindrical shell after being fixed on this end plate form, the gap that rectangular assembling usefulness is wherein arranged on the circular end plate, shift fork is installed on the cydariform section section of hand wheel shaft movingly by this gap, there are the pusher dog of two symmetries, hand wheel shaft in the rear end of the cylindrical shell in the shift fork, the center line of shift fork and needle-valve is identical with outer casing centerline.Improvement of the present utility model is that described horizontal circle cylindrical outer casing is formed by the ring flange connection by the steam tube of front portion and the water drum section at rear portion, and the jet pipe supporting clapboard is the tail end that the difunctional integral piece of a double ring flange is positioned at steam tube.The front end of water drum section has the ring flange with this integral piece coupling, have respectively on this ring flange and the integral piece a plurality of correspond to each other along the uniform pilot hole of circumference, the assembling screw is arranged in the pilot hole.Second improvement of the present utility model be described core pipe also comprise a thread connection core pipe rear and be positioned at supercharging section outside the shell tail end ring flange.The internal diameter of this supercharging section is a flaring.The 3rd improvement of the present utility model is also to comprise a columnar driving member between shift fork and jet pipe in the governor motion.The gap that two symmetries are arranged on the front end barrel of this driving member, two pusher dogs and this two gap engagements on the shift fork, the tail end of driving member connects with the spot welding of jet pipe front end, and the steam through hole is arranged on the barrel of driving member.The 4th improvement of the present utility model be the middle part with the hinged push-and-pull lever of hand wheel shaft be a lever can swing, do not influence the combination hinge part that hand wheel shaft rotates again, the push-and-pull lever is hinged by this combination hinge part and hand wheel shaft, there is the articulated elements of a band positioner lower end of push-and-pull lever, and the push-and-pull lever is by this articulated elements and rod hinge connection.
The utility model has kept the substance in the background technology scheme, recirculated water enters the core pipe by core pipe head end, steam enters the core pipe by jet pipe to be mixed with recirculated water, and with heat transferred recirculated water, recirculated water is circulation automatically under the effect of steam kinetic energy, the water circulating pump that do not need in service, governor motion can carry out dynamic adjustments to throttle flow and inflow, and noise in service is little, shockproof.Pressure gauge provides operating mode indication and guard signal.Because shell has been divided into two sections, can regulates the relative angle of water inlet pipe and steam inlet pipe according to the condition of heat exchanger erecting bed, and help the processing of shell inner core tube front support dividing plate.Because the core pipe has increased a supercharging section, has eliminated the eddy current of core pipe tail end, has reduced the pressure of supply water loss, improve operation stability.Owing to increased a driving member in the governor motion, shortened the length of shift fork, improved the torsional strength of shift fork, also help the installation of shift fork.Because the articulated elements by a band positioner between the lower end of push-and-pull lever and the connecting rod is hinged, make hand wheel shaft can the generation level in running to move, thereby can not change after steam delivery volume is set, reached stable steam supply.
Description of drawings
Fig. 1 is the overall cutaway view of embodiment
Fig. 2 is A portion among Fig. 1, is the amplification view of driving member and associated part
Fig. 3 is the cutaway view of bowing of driving member
Fig. 4 is C portion among Fig. 1, is the enlarged drawing of the articulated elements of the band positioner between push-and-pull lever lower end and the connecting rod.
Fig. 5 is the D-D cutaway view among Fig. 4.
Fig. 6 is the B portion among Fig. 1, the i.e. amplification view of combination hinge part.
Fig. 7 is the left cutaway view of Fig. 6.
The specific embodiment
As seen from Figure 1, present embodiment comprises the cylindrical housing of a level, and this shell is formed by the ring flange connection by steam tube (20) and water drum section (25).Front end in the steam tube is welded with the governor motion supporting clapboard (13) of annular, the hold concurrently difunctional integral piece (11) of ring flange of the jet pipe supporting clapboard that the rear end of steam tube is welded with annular.The rear and front end of water drum section is welded with ring flange (10) and (2) respectively, is welded with the core pipe front support dividing plate (24) of annular and the core pipe back support dividing plate (4) of annular in the water drum section.In order to guarantee the concentricity of four annular supporting clapboards, take to weld the way of back reprocessing.Have respectively on integral piece (11) and the ring flange (10) 8 correspond to each other along the uniform pilot hole of circumference, attachment bolt is arranged in the pilot hole.Integral piece (11) and ring flange (10) contact-making surface have concentric mother-son mouth, and be concentric to guarantee steam tube and water drum section.Be welded with steam inlet pipe (12) radially on the barrel of shell steam tube, the front portion of shell water drum section, promptly be positioned at the water inlet pipe (23) that is welded with on the barrel between ring flange (10) and the core pipe front support dividing plate (24) radially, the relative angle of regulating integral piece (11) and ring flange (10) can be adjusted the relative angle of steam inlet pipe and water inlet pipe.The core pipe that a level is arranged in the shell, this core pipe is formed by first section (7), stage casing (6), rear (3) and supercharging section (1) thread connection successively, first section horizontal support is in core pipe front support dividing plate, the rear horizontal support is in core pipe back support dividing plate, the supercharging section (1) of core pipe is positioned at outside the shell, first section of core pipe and the internal diameter in stage casing are convergents, and steam supply, water mix to be used.The internal diameter of the rear of core pipe and supercharging section is a flaring.Horizontal thread connection has the jet pipe (9) of convergent flaring in the difunctional integral piece (11), and the spout of this jet pipe reaches in the core pipe front port, and jet pipe has the center line identical with shell with the core pipe.The middle part of shell water drum portion is on the barrel between forward and backward two supporting clapboards of core pipe electro connecting pressure gauge (5) to be housed, and first section of the core pipe and joint, stage casing have pressure signal to draw the slit, and the pressure at this place is measured by Pressure gauge in the core pipe.Also can find out by Fig. 1, present embodiment also comprises vapour, water yield governor motion, this governor motion comprises handwheel (17), the horizontal hand wheel shaft (16) of handwheel is installed, the axle sleeve (19) that hand wheel shaft is outer, thread connection is at the horizontal needle-valve (8) of hand wheel shaft tail end, be installed in the shift fork (21) of hand wheel shaft afterbody, driving member behind the shift fork (22), and the push-and-pull lever (15) that hand wheel shaft is hinged and be hinged on the pull bar lower end and the shell front end between connecting rod (18), its bottom bracket axle (19) thread connection has seal between axle sleeve and the hand wheel shaft in the hole of governor motion supporting clapboard (13).By Fig. 2 and Fig. 3 as seen, the afterbody of hand wheel shaft has individual cydariform section section, shift fork is formed by the end plate (26) and the cylindrical shell connection of circle, one rectangular assembling gap is arranged on its end plates, shift fork is installed on the cydariform section section of hand wheel shaft movingly by this gap, the hand wheel shaft forward and backward slip of shift fork and shift fork transmitted moment of torsion relatively, the rear portion of the cylindrical shell of shift fork is processed to have the pusher dog (27) of two symmetries.It can also be seen that by Fig. 2 and Fig. 3, between shift fork (21) and the jet pipe (9) individual cylindrical shape driving member (22) is arranged, be processed to have the gap (28) of two symmetries on the front end barrel of this driving member, two pusher dogs (27) on the shift fork are by these two gap (28) and driving member bridle joint mutually, the barrel point of driving member rear end is welded on the tube wall of jet pipe front end, and four steam through holes (29) are arranged on the barrel of driving member.By Fig. 4 and Fig. 5 as seen, the articulated elements with positioner of push-and-pull lever lower end between connecting rod comprises and the location-plate (30) of push-and-pull lever one and two fork plates (33) parallel to each other that weld with connecting rod, location-plate is between two fork plates, location-plate and two fork plates are hinged by pin (32), on the fork plate in the two fork plates location jackscrew (31) is arranged, become hinged state when screwing out this jackscrew between push-and-pull lever and the connecting rod, this moment can be by the position of the relative jet pipe of push-and-pull lever metering pin valve (8), thereby reach the purpose of regulating evaporation capacity for engine, evaporation capacity for engine is adjusted suitable back precession jackscrew (31) withstands on the location-plate jackscrew, position between push-and-pull lever and the connecting rod is fixed, thereby needle-valve is fixed with respect to the position of jet pipe, makes evaporation capacity for engine when operation, keep stable.The push-and-pull lever is made up of push-pull arm, transmission arm and the hinge part of the combination between the two (14), by Fig. 6 and Fig. 7 as seen, wherein combination hinge part comprise the interior ring (35) that is sleeved on the hand wheel shaft, be sleeved in outer shroud (34) on the ring and the ball (36) between ring and the hand wheel shaft, on hand wheel shaft and the interior ring ball grooves that corresponds to each other is arranged respectively, there is ball to drop into the hole on the interior ring, screw (37) is arranged, this screw of packing into after the ball input in the hole.Hand wheel shaft can rotate relative to the interior ring that makes up the hinge part, with position, the adjusting inflow of regulating the relative core pipe port of jet pipe, interior ring and the two toggle by two symmetries of outer shroud (38) in the combination hinge part are hinged, and leave the free gap between interior ring and the outer shroud, internally ring can swing mutually to make outer shroud, push-pull arm and transmission arm are welded on the outer wall of outer shroud, thereby make the push-and-pull lever have the free degree of the forward and backward swing of relative hand wheel shaft.
Claims (3)
1. be that to spray adjustable be heat exchanger for a kind of steam in the heat source water heating system with steam, the cylindrical housing that comprises a level, the tail end of shell has ring flange (2), be welded with vertical in the shell successively with outer casing centerline from head end to afterbody, governor motion supporting clapboard (13) with the annular of outer casing inner wall sealing, the steam jet supporting clapboard, core pipe front support dividing plate (24) and core pipe back support dividing plate (4), the center line of the supporting clapboard of these four annulars is identical with outer casing centerline, wherein jet pipe supporting clapboard thread connection has the steam jet (9) of convergent flaring, the horizontal core pipe that a reducing is arranged behind the jet pipe, this core pipe comprises first section (7) of thread connection successively, stage casing (6) and rear (3), first section of the core pipe is supported in the core pipe front support dividing plate movingly, the rear thread connection of core pipe is in core pipe back support dividing plate, first section of core pipe and the internal diameter in stage casing are convergents, the internal diameter of the rear of core pipe is a flaring, the center line of jet pipe and core pipe is identical with the center line of shell, the spout of jet pipe reaches in the front port of first section of core pipe, steam inlet pipe (12) radially is installed on the shell wall between governor motion supporting clapboard and the jet pipe supporting clapboard, water inlet pipe (23) radially is installed on the shell wall between jet pipe supporting clapboard and the core pipe front support dividing plate, on the shell wall between core pipe front and rear two supporting clapboards electro connecting pressure gauge (5) is installed, first section of core pipe and the connection place in stage casing have pressure signal to draw the slit, the utility model also comprises the governor motion of throttle flow and inflow, this governor motion comprises handwheel (17), the horizontal hand wheel shaft (16) of handwheel is installed, the axle sleeve (19) that hand wheel shaft is outer, thread connection is at the horizontal needle-valve (8) of hand wheel shaft tail end, be installed in the shift fork (21) of hand wheel shaft afterbody, and the push-and-pull lever (15) that hand wheel shaft is hinged and be articulated in push-and-pull lever lower end and the shell head end between connecting rod (18), sleeve thread is connected in the governor motion supporting clapboard, between hand wheel shaft and the axle sleeve seal is arranged, the afterbody of hand wheel shaft has a cydariform section section, shift fork by the end plate (26) of circle and the cylindrical shell after being fixed on this end plate form, the gap that one rectangular assembling usefulness is wherein arranged on the circular end plate, shift fork is installed on the cydariform section section of hand wheel shaft movingly by this gap, there is the pusher dog (27) of two symmetries the rear end of the cylindrical shell of shift fork, hand wheel shaft, the center line of shift fork and needle-valve is identical with outer casing centerline, of the present utility modelly be characterised in that described horizontal circle cylindrical outer casing is that water drum section (25) by the steam tube (20) of front portion and rear portion connects by ring flange and forms, the jet pipe supporting clapboard is the difunctional integral piece (11) of a double ring flange, be positioned at the tail end of steam tube, the front end of water drum section has the ring flange (10) with difunctional integral piece (11) coupling, have respectively on this ring flange and the integral piece (11) a plurality of correspond to each other along the uniform pilot hole of circumference, the assembling screw is arranged in the pilot hole, the contact-making surface of integral piece (11) and ring flange (10) has concentric mother-son mouth, described core pipe comprises that also a thread connection is at core pipe rear tail end and be positioned at supercharging section (1) outside the shell tail end ring flange, the internal diameter of this supercharging section is a flaring, described governor motion also comprises a columnar driving member (22) between shift fork and jet pipe, the gap (28) that two symmetries are arranged on the front end barrel of this driving member, two pusher dogs and this two gap engagements on the shift fork, the tail end of driving member connects with the spot welding of jet pipe front end, steam through hole (29) is arranged on the barrel of driving member, the middle part of the push-and-pull lever (15) that described and hand wheel shaft are hinged is that a lever can swing, do not influence the combination hinge part (14) that hand wheel shaft rotates again, push-and-pull thick stick spare is hinged by this combination hinge part and hand wheel shaft, there is the articulated elements of a band positioner lower end of push-and-pull lever, and the push-and-pull lever is by this articulated elements and rod hinge connection.
2. it is heat exchanger that a kind of steam according to claim 1 sprays adjustable, the combination hinge part (14) that it is characterized in that described push-and-pull lever middle part comprises the interior ring (35) that is sleeved on the hand wheel shaft, be sleeved in outer shroud (34) on the ring and the ball (36) between ring and the hand wheel shaft, on hand wheel shaft and the interior ring ball grooves that corresponds to each other is arranged respectively, there is ball to drop into the hole on the interior ring, screw (37) is arranged in the hole, hinged between interior ring in the combination hinge part and the outer shroud by the toggle (38) of two symmetries, between interior ring and the outer shroud free gap is arranged.
3. it is heat exchanger that a kind of steam according to claim 1 and 2 sprays adjustable, the articulated elements that it is characterized in that described band positioner comprises with the location-plate (30) of push-and-pull lever one and two fork plates (33) parallel to each other that weld with connecting rod, location-plate is between two fork plates, location-plate and two fork plates are hinged by anchor (32), on the fork plate in the two fork plates location jackscrew (31) is arranged, jackscrew withstands on the location-plate during precession jackscrew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420015765 CN2697567Y (en) | 2004-02-17 | 2004-02-17 | Vapour injection adjustable instant heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420015765 CN2697567Y (en) | 2004-02-17 | 2004-02-17 | Vapour injection adjustable instant heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2697567Y true CN2697567Y (en) | 2005-05-04 |
Family
ID=34768822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420015765 Expired - Fee Related CN2697567Y (en) | 2004-02-17 | 2004-02-17 | Vapour injection adjustable instant heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2697567Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121482A (en) * | 2011-01-26 | 2011-07-13 | 双良节能系统股份有限公司 | Nozzle-adjustable steam ejector |
| CN102374797A (en) * | 2011-11-03 | 2012-03-14 | 洛阳蓝海实业有限公司 | Hot-water type dynamic-regulating type steam-water direct-mixing type heat-exchanging device |
| CN102393154A (en) * | 2011-10-11 | 2012-03-28 | 洛阳蓝海实业有限公司 | Heating-type dynamically adjustable steam-water directly mixing heat exchange device |
| CN109751890A (en) * | 2017-11-06 | 2019-05-14 | 加昌国际有限公司 | Heat-exchange device and its heat exchange unit |
| CN109869359A (en) * | 2017-12-02 | 2019-06-11 | 哈尔滨工大金涛科技股份有限公司 | Steam jet ejector |
| CN114515660A (en) * | 2022-03-02 | 2022-05-20 | 季华实验室 | Supersonic speed spray tube and spray gun |
-
2004
- 2004-02-17 CN CN 200420015765 patent/CN2697567Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121482A (en) * | 2011-01-26 | 2011-07-13 | 双良节能系统股份有限公司 | Nozzle-adjustable steam ejector |
| CN102121482B (en) * | 2011-01-26 | 2012-08-29 | 双良节能系统股份有限公司 | Nozzle-adjustable steam ejector |
| CN102393154A (en) * | 2011-10-11 | 2012-03-28 | 洛阳蓝海实业有限公司 | Heating-type dynamically adjustable steam-water directly mixing heat exchange device |
| CN102374797A (en) * | 2011-11-03 | 2012-03-14 | 洛阳蓝海实业有限公司 | Hot-water type dynamic-regulating type steam-water direct-mixing type heat-exchanging device |
| CN102374797B (en) * | 2011-11-03 | 2013-04-24 | 洛阳蓝海实业有限公司 | Hot-water type dynamic-regulating type steam-water direct-mixing type heat-exchanging device |
| CN109751890A (en) * | 2017-11-06 | 2019-05-14 | 加昌国际有限公司 | Heat-exchange device and its heat exchange unit |
| CN109869359A (en) * | 2017-12-02 | 2019-06-11 | 哈尔滨工大金涛科技股份有限公司 | Steam jet ejector |
| CN114515660A (en) * | 2022-03-02 | 2022-05-20 | 季华实验室 | Supersonic speed spray tube and spray gun |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2697567Y (en) | Vapour injection adjustable instant heat exchanger | |
| CN202126281U (en) | Anti-clogging pressure equalizing air flow measuring device | |
| CN102381480B (en) | Warm spray power device for blade tip gas injection | |
| CN102235267B (en) | Gas turbine engine modified by using retired turbofan engine through low-pressure crest truncation | |
| CN201266023Y (en) | Cooling column of hydraulic turbine driving fan | |
| CN202345920U (en) | Warm spraying power device used for blade tip jetting | |
| CN2906713Y (en) | Pipe-type steam/water muffling and power-saving heating temperature control device | |
| CN103278413B (en) | Testing apparatus suitable for inducers with different parameters | |
| CN209639575U (en) | Water type heat pipe-type heat recovery heat exchanger | |
| CN208578744U (en) | A kind of energy-efficient air-introduced machine applying to boiler | |
| CN207688956U (en) | A kind of hot and cold water meter of antifreeze detachable LXS series rotary wind types | |
| CN112096457A (en) | Sub-high pressure high rotation speed condensing steam turbine | |
| CN209444499U (en) | A kind of closed-up water wheel pressurizing apparatus using safety pressure margin | |
| CN201368748Y (en) | Plug-in multi-point combination anti-clogging wearproof flow measuring device | |
| CN204788943U (en) | Small -size express pump experimental apparatus | |
| CN215806612U (en) | Large-diameter sealing gate valve | |
| CN215810271U (en) | Industrial waste heat recycling heat exchanger | |
| CN220871811U (en) | Built-in V-cone flowmeter easy to maintain | |
| CN218207837U (en) | Double-parameter regulating valve | |
| CN212304916U (en) | Rotor structure of high-magnetism-gathering permanent magnet synchronous servo motor | |
| CN219756667U (en) | Inflow slow flow heat pump water heater | |
| CN210346388U (en) | Energy-saving cooling gas production system | |
| CN204842948U (en) | Steel / iron package baking equipment's pivot assembly | |
| CN220083040U (en) | Detachable coil pipe for steam generator | |
| CN207298199U (en) | A kind of new pressure balancing type expansion joint of bypass straight tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |