CN214362538U - Steam compressor for improving efficiency of paper machine - Google Patents
Steam compressor for improving efficiency of paper machine Download PDFInfo
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- CN214362538U CN214362538U CN202120057163.9U CN202120057163U CN214362538U CN 214362538 U CN214362538 U CN 214362538U CN 202120057163 U CN202120057163 U CN 202120057163U CN 214362538 U CN214362538 U CN 214362538U
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Abstract
A steam compressor for improving the efficiency of paper machine is composed of high-speed motor, high-speed rotor connected to the output shaft of said high-speed motor, a rear cover sleeved on the periphery of the output shaft of the high-speed motor is fixedly connected with one end of the shell of the high-speed motor, which is close to the high-speed rotor, a sealer which is sleeved on the output shaft of the high-speed motor and is connected with the output shaft of the high-speed motor in a sealing way is fixed on the inner side of the back cover, a volute is connected with the outer edge of the rear cover, a volute inner body connected with one end of the volute far away from the rear cover is connected, an inlet pipe is connected with one end of the volute inner body far away from the volute, a static wheel cover is arranged between the inner side of one end of the volute casing inner body close to the volute casing and the inner cylindrical surface of the volute casing, a high-speed impeller of the high-speed rotor is positioned at the inner side of the static wheel cover, a conical part at one end of the high-speed rotor far away from an output shaft of the high-speed motor extends into the volute casing inner body, the lowest part of the lower side of the volute is connected with a water outlet, and the lower side of the volute is connected with a steam outlet which is higher than a water inlet of the water outlet after steam enters. The utility model discloses the advantage: the efficiency of the paper machine is improved.
Description
Technical Field
The utility model belongs to the technical field of the special paper stoving processing, especially, relate to an improve vapor compressor of paper machine efficiency.
Background
The paper machine utilizes a drying cylinder to dry special paper.
The heat source of the drying cylinder generally comprises electric heating, steam heating and the like.
According to traditional steam heating, new steam is utilized to perform heat exchange on a drying cylinder to achieve the purpose of heating, and steam-water mixture after heat exchange enters a steam-water separator to perform steam-water separation. For example, the chinese patent discloses a CN 102317541B-apparatus and method for drying a web of tissue paper using steam, which can achieve the purpose of energy saving by recycling condensed water using a heat pump; meanwhile, the Chinese patent also discloses a CN 204662174U-dryer steam high-efficiency recycling system, which utilizes a steam ejector (actually a heat pump) to mix and utilize new steam and recovered steam to achieve the purpose of energy conservation.
The second scheme directly mixes the recovered steam and the new steam, and in the mixing process, the temperature of the new steam can be subjected to heat exchange by the recovered steam, so that the temperature of the mixed steam is lower than that of the new steam, and when the mixed steam is conveyed to a drying cylinder for use, the whole drying period is prolonged, and the consumption of the new steam is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide a can solve the steam compressor of an improvement paper machine efficiency of above-mentioned technical problem.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
a method of improving the efficiency of a paper machine comprising the steps of:
s1, a new steam supply pipe supplies new steam into a drying cylinder from an inlet of the drying cylinder, the drying cylinder performs drying operation, and a steam-water mixture of the new steam subjected to heat exchange by the drying cylinder is discharged into a steam-water separator from an outlet of the drying cylinder;
s2, discharging condensed water after the steam-water mixture is separated and processed by the steam-water separator from a condensed water discharge pipeline, enabling separated steam after the steam-water mixture is separated and processed by the steam-water separator to enter a steam recovery one-way conveying pipeline at the top of the steam-water separator, communicating the steam recovery one-way conveying pipeline with a new steam supply pipe, starting a steam supercharging device, supercharging the separated steam entering the steam recovery one-way conveying pipeline by the steam supercharging device, enabling the steam pressure of the supercharged separated steam to be larger than that of the new steam, enabling the supercharged separated steam to enter the new steam supply pipe to be mixed with the new steam in the new steam supply pipe, and enabling the mixed steam mixture to finally enter a drying cylinder;
and repeating the step S2 to ensure that the separated steam separated by the steam-water separator is pressurized and recycled.
In the step S2, the connection between the vapor recovery unidirectional transportation pipeline and the fresh vapor supply pipeline makes the pressurized separation vapor transported by the vapor recovery unidirectional transportation pipeline output along the fresh vapor transportation direction of the fresh vapor supply pipeline and mix with the fresh vapor by means of accelerated blending.
In the above step S2, the pressurized separated steam forces the check valve on the steam recovery one-way delivery pipe to open and finally enters the new steam supply pipe.
A system for improving the efficiency of a paper machine comprises a drying cylinder, wherein a new steam supply pipe is connected to the inlet of the drying cylinder, a steam-water separator is connected to the outlet of the drying cylinder, a steam recovery one-way conveying pipeline is connected to the steam outlet of the steam-water separator, one end, far away from the steam-water separator, of the steam recovery one-way conveying pipeline is communicated with the new steam supply pipe, a steam pressurizing device for pressurizing separated steam obtained through separation of the steam-water separator is connected to the steam recovery one-way conveying pipeline, the steam pressure of the separated steam after pressurization by the steam pressurizing device is larger than that of the new steam in the new steam supply pipe, the separated steam after pressurization and the new steam are mixed in the new steam supply pipe, and the final steam mixture enters the drying cylinder from the inlet of the drying cylinder.
In the system for improving the efficiency of the paper machine, one end of the steam recovery one-way conveying pipeline communicated with the new steam supply pipe is provided with an accelerated blending structure which can accelerate and blend the pressurized separation steam and the new steam and enter the drying cylinder.
In the system for improving the efficiency of the paper machine, the accelerating blending structure comprises an inclined pipe connected to one end of the steam recovery one-way conveying pipeline communicated with the new steam supply pipe, the new steam supply pipe and one section of the dryer inlet are straight pipes, the inclined pipe is connected to the straight pipes, and the horizontal distance between one end of the inclined pipe close to the steam recovery one-way conveying pipeline and the dryer inlet is greater than the horizontal distance between one end of the inclined pipe close to the straight pipes and the dryer inlet.
In the above system for improving the efficiency of the paper machine, the axis of the inclined tube and the axis of the straight tube form an obtuse angle.
In the system for improving the efficiency of the paper machine, the steam recovery one-way conveying pipeline is provided with a one-way valve.
In the system for improving the efficiency of the paper machine, the bottom of the steam-water separator is connected with a condensed water discharge pipeline.
A steam compressor for improving the efficiency of paper machine is composed of high-speed motor, high-speed rotor connected to the output shaft of said high-speed motor, a rear cover sleeved on the periphery of the output shaft of the high-speed motor is fixedly connected with one end of the shell of the high-speed motor, which is close to the high-speed rotor, a sealer which is sleeved on the output shaft of the high-speed motor and is connected with the output shaft of the high-speed motor in a sealing way is fixed on the inner side of the back cover, a volute is connected with the outer edge of the rear cover, a volute inner body connected with one end of the volute far away from the rear cover is connected, an inlet pipe is connected with one end of the volute inner body far away from the volute, a static wheel cover is arranged between the inner side of one end of the volute casing inner body close to the volute casing and the inner cylindrical surface of the volute casing, a high-speed impeller of the high-speed rotor is positioned at the inner side of the static wheel cover, a conical part at one end of the high-speed rotor far away from an output shaft of the high-speed motor extends into the volute casing inner body, the lowest part of the lower side of the volute is connected with a water outlet, and the lower side of the volute is connected with a steam outlet which is higher than a water inlet of the water outlet after steam enters.
In the above steam compressor for improving the paper machine efficiency, the conical part of the high-speed rotor at the end far away from the output shaft of the high-speed motor extends into the volute inner body.
In the above steam compressor for improving the efficiency of the paper machine, the high-speed rotor is in the shape of an umbrella.
In the above steam compressor for improving the paper machine efficiency, the inner wall of the back cover is provided with the first step, and the outer wall of the sealer is provided with the outer convex part matched with the first step.
In the above steam compressor for improving the paper machine efficiency, the inner wall of the sealer is provided with a plurality of sealing lips which are uniformly distributed at intervals, and the sealing lips are in dynamic sealing connection with the output shaft of the high-speed motor.
In the above-mentioned steam compressor for improving the paper machine efficiency, a gap is left between the end face of one end of the high-speed rotor connected with the output shaft of the high-speed motor and the sealer and the rear cover.
Compared with the prior art, the steam compressor and the method for improving the efficiency of the paper machine have the advantages that: utilize steam supercharging device to carry out the pressure boost intensification to the separation steam of retrieving, it can further improve operating efficiency, practices thrift the running cost.
By means of pressurizing the recovered separated steam and mixing the separated steam with new steam, the operation energy consumption can be further reduced, and the input amount of the new steam is saved.
Drawings
Fig. 1 is a block flow diagram provided by the present invention.
Fig. 2 is a schematic structural view of the steam supercharging device provided by the present invention.
In the figure, a fresh steam supply pipe 1, a drying cylinder 2, a discharge pipe 20, a steam-water separator 3, a condensed water discharge pipeline 4, a condensate pump 40, a steam recovery one-way conveying pipeline 5, an accelerated blending structure 50, a steam supercharging device 6, a high-speed motor 60, a high-speed rotor 61, a high-speed impeller 610, a rear cover 62, a sealer 63, a volute 64, a volute inner body 65, an inlet pipe 66, a static wheel cover 67, a conical part 68, a water discharge port 69, a one-way valve 7 and an obtuse angle a are arranged.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Example one
As shown in fig. 1 and 2, a method of improving the efficiency of a paper machine comprises the steps of:
s1. a new steam supply pipe 1 supplies new steam from the inlet of the drying cylinder 2 into the drying cylinder 2, the pressure of the new steam being less than 0.6MPa, for example: 0.5MPa, the drying cylinder 2 is used for drying operation, the special paper can be dried, and the steam-water mixture of the new steam after heat exchange by the drying cylinder 2 is discharged into the steam-water separator 3 from the outlet of the drying cylinder 2.
The new steam supply pipe 1 is connected with the inlet of the drying cylinder 2 through a straight pipe.
S2, the condensed water after the steam-water mixture is separated and processed by the steam-water separator 3 is discharged from the condensed water discharge pipeline 4, preferably, a condensate pump 40 is connected to the condensed water discharge pipeline 4, the condensed water is processed and then discharged to a boiler room or a heat exchanger by the condensate pump 40, and the energy consumption of operation can be further reduced by recycling the condensed water, so that the energy-saving and environment-friendly steam-water separator is energy-saving and more environment-friendly.
The outlet of the drying cylinder 2 is connected with a discharge pipe 20, the discharge pipe 20 is connected to the middle part of the steam-water separator 3, and the condensed water discharge pipeline 4 is connected to the bottom of the steam-water separator 3, so that the sufficiency of steam-water separation can be ensured.
The method comprises the steps that separated steam after a steam-water mixture is separated by a steam-water separator 3 enters a steam recovery one-way conveying pipeline 5 at the top of the steam-water separator 3, the steam recovery one-way conveying pipeline 5 is communicated with a new steam supply pipe 1, further, the steam recovery one-way conveying pipeline 5 is communicated with a straight pipe of the new steam supply pipe 1, a steam supercharging device 6 is started, the steam supercharging device 6 is installed at one end, close to the steam-water separator 3, of the steam recovery one-way conveying pipeline 5, the steam supercharging device 6 supercharges the separated steam entering the steam recovery one-way conveying pipeline 5, the steam pressure of the supercharged separated steam is larger than that of the new steam, the supercharged separated steam enters the new steam supply pipe 1 and is mixed with the new steam in the new steam supply pipe 1, and the mixed steam mixture finally enters a drying cylinder 2;
and repeating the step S2 to make the separated steam separated by the steam-water separator 3 be pressurized and recycled.
After the steam supercharging device 6 supercharges the separated steam, the pressure, the speed and the temperature of the separated steam are all improved, the recovered steam is supercharged and mixed with the new steam, the pressure and the like of the supercharged separated steam before mixing are all higher than the new steam, namely, the pressure of the new steam can be further improved by the supercharged separated steam, in the same heating time period, the heating consumption total amount of the supercharged separated steam and the new steam after mixing on a drying cylinder can be greatly reduced, meanwhile, the recovery amount of the separated steam is obviously lower than the supply amount of the new steam, the steam supercharging device 6 supercharges the recovered separated steam, the separated steam is easily supercharged quickly, the supercharging is simple and efficient, namely, the supercharged separated steam and the new steam are mixed and conveyed, and the pressure of the new steam is realized in such a way, Speed and temperature can not receive the separation steam after the pressure boost and the phenomenon that reduces appears, and on the contrary, this application can also carry out acceleration, intensification and pressure boost to new steam, has ensured mixed steam its heating efficiency to the dryer.
In addition, by utilizing the way that the pressure of the separated steam after being pressurized by the steam pressurizing device 6 is greater than the new steam pressure and is finally mixed, at the communication part of the steam recovery unidirectional conveying pipeline 5 and the new steam supply pipe 1, because the steam pressures in the two pipelines are inconsistent, the pressurized separated steam can actively force the new steam to be mixed in an accelerating way and enter the drying cylinder in an accelerating way, so that the high-efficiency operation efficiency is achieved, and meanwhile, the way can further reduce the operation energy consumption.
In the above step S2, the connection between the vapor recovery unidirectional transportation pipeline 5 and the live steam supply pipe 1 is performed by accelerated blending such that the pressurized separation vapor transported by the vapor recovery unidirectional transportation pipeline 5 is output along the live steam transportation direction of the live steam supply pipe 1 and mixed with the live steam.
The accelerating blending mode is realized by adopting a mechanical structure. The accelerated blending mode allows the live steam to enter the dryer at a faster rate than the original rate and also accelerates the mixing of the pressurized steam and the live steam.
In the above step S2, the pressurized separated steam forces the check valve 7 on the steam recovery one-way transfer pipe 5 to open and finally enters the new steam supply pipe 1. The one-way valve 7 plays a role of a safety valve, and meanwhile, when the subsequent drying cylinder discharges the steam-water mixture, the internal pressure of the steam-water separator 3 is lower than the pressure in the drying cylinder, so that the steam-water mixture in the drying cylinder can be discharged completely.
As shown in fig. 1 and 2, a system for improving the efficiency of a paper machine comprises a drying cylinder 2, a fresh steam supply conduit 1 connected to the inlet of the drying cylinder 2, a steam-water separator 3 connected to the outlet of the drying cylinder 2, and a discharge conduit 20 connecting the drying cylinder 2 and the steam-water separator 3. The bottom of the steam-water separator 3 is connected with a condensed water discharge pipeline 4.
A steam recovery one-way conveying pipeline 5 is connected to a steam outlet of the steam-water separator 3, one end, far away from the steam-water separator 3, of the steam recovery one-way conveying pipeline 5 is communicated with the new steam supply pipe 1, a steam supercharging device 6 for supercharging the separated steam obtained through the separation treatment of the steam-water separator 3 is connected to the steam recovery one-way conveying pipeline 5, the steam pressure of the separated steam supercharged by the steam supercharging device 6 is larger than that of the new steam in the new steam supply pipe 1, the supercharged separated steam and the new steam are mixed in the new steam supply pipe 1, and the final steam mixture enters the drying cylinder 2 from an inlet of the drying cylinder 2.
The steam recovery one-way conveying pipeline 5 is provided with a one-way valve 7, and the one-way valve 7 is positioned behind a steam outlet of the steam supercharging device 6. The one-way valve 7 can prevent new steam from entering the steam pressurizing device 6, so that the protection effect is achieved, and meanwhile, the drying cylinder can be completely discharged when the steam-water mixture is discharged.
Preferably, an accelerating blending structure 50 which can accelerate the blending of the pressurized separation steam and the new steam and enter the drying cylinder 2 is arranged at one end of the steam recovery unidirectional conveying pipeline 5 communicated with the new steam supply pipe 1. Specifically, the accelerated blending structure 50 of the embodiment includes an inclined pipe connected to one end of the steam recovery unidirectional transportation pipeline 5 communicated with the new steam supply pipe 1, the new steam supply pipe 1 and one section of the inlet of the drying cylinder 2 are straight pipes, the inclined pipe is connected to the straight pipes, and the horizontal distance between one end of the inclined pipe close to the steam recovery unidirectional transportation pipeline 5 and the inlet of the drying cylinder 2 is greater than the horizontal distance between one end of the inclined pipe close to the straight pipes and the inlet of the drying cylinder 2.
The axial lead of the inclined pipe and the axial lead of the straight pipe form an obtuse angle a. For example, the obtuse angles are 58 °, 60 ° and 62 °, etc., although other obtuse angles can be designed, and the embodiment is not exhaustive here. The inclination of the inclined pipe a can enable the pressurized separation steam to impact new steam according to the conveying direction of the new steam, impact and realize the mixing of the new steam and the pressurized separation steam, and the mode can obviously improve the blending and mixing efficiency and further improve the speed of the new steam entering a drying cylinder.
The inclined pipe a is a straight pipe and is arranged on the pipe diameter, and preferably, the inner diameter of the inclined pipe a is equal to or smaller than that of the straight pipe, so that the timeliness and sufficiency of steam supply are guaranteed.
Specifically, the steam supercharging device 6 of the present embodiment includes a high-speed motor 60, a high-speed rotor 61 is connected to an output shaft of the high-speed motor 60, the high-speed rotor 61 is in an umbrella shape, a plurality of high-speed impellers 610 distributed at equal intervals on the circumference are arranged on the side of the high-speed rotor 61, and the power output is more timely by adopting a direct driving mode.
Secondly, the end of the high speed rotor 61 remote from the output shaft of the high speed motor 60 has a tapered portion 68 which can form a partial flow of the incoming separated steam.
A rear cover 62 sleeved on the periphery of the output shaft of the high-speed motor 60 is fixedly connected to one end of the housing of the high-speed motor 60 close to the high-speed rotor 61, a sealer 63 sleeved on the output shaft of the high-speed motor 60 and hermetically connected with the output shaft of the high-speed motor 60 is fixed on the inner side of the rear cover 62, specifically, a first step is arranged on the inner wall of the rear cover 62, and an outer convex part matched with the first step is arranged on the outer wall of the sealer 63. The inner wall of the sealer 63 is provided with a plurality of sealing lips which are uniformly distributed at intervals, and the sealing lips are in dynamic sealing connection with the output shaft of the high-speed motor so as to ensure the sealing performance during pressurization. In addition, a gap is reserved between the end face of one end of the high-speed rotor 61 connected with the output shaft of the high-speed motor and the sealer 63 and the rear cover 62 to prevent contact interference, and the gap formed by the high-speed rotor 61 and the rear cover 62 is smaller than the gap formed by the high-speed rotor 61 and the sealer 63 to provide buffering of the shunt pressure and play a role in protection.
Be connected with the spiral case 64 in back lid 62 outer fringe, specifically, be equipped with the right angle breach in the one end outer fringe that high-speed motor was kept away from to back lid 62, connect the spiral case endosome 65 that back lid 62 one end was kept away from to spiral case 64, the unilateral transverse section of spiral case 64 is C shape ring, for the improvement fixed stability, is connected with square fixed part respectively at two tip of C shape ring, and one of them square fixed part matches with the right angle breach to both utilize a plurality of bolts that are the circumference and distribute to connect fixedly.
An inlet pipe 66 is connected to the end of the volute inner body 65 remote from the volute 64, the inlet pipe 66 being a conical pipe, a static wheel cover 67 is arranged between the inner side of one end of the volute inner body 65 close to the volute 64 and the inner cylindrical surface of the volute 64, the shape of the static wheel cover 67 is matched with the shape of the high-speed impeller 610, the arc length of the single-side section of the static wheel cover 67 is longer than that of the high-speed impeller 610, the high-speed impeller 610 is positioned at the middle position of the inner side of the static wheel cover 67, this configuration allows the separated steam to enter the high speed rotor under the diverging action of the conical portion 68, the high-speed impeller 610 of the high-speed rotor 61 is positioned inside the static wheel cover 67, the conical part 68 at one end of the high-speed rotor 61 far away from the output shaft of the high-speed motor 60 extends into the volute inner body 65, the lowest part of the lower side of the volute 64 is connected with a water outlet 69, which is convenient for discharging separated condensed water in time, a steam discharge port higher than the water inlet of the water discharge port 69 after the steam is introduced is connected to the lower side of the scroll 64. The pressurized separation steam discharged from the steam outlet enters the steam recovery one-way conveying pipeline 5, and the pressurized separation steam forces the one-way valve to be opened, so that the pressurized separation steam is conveyed to the new steam supply pipe 1 in time.
The right-angled edge of one end of the other square fixing part is matched with the right-angled notch groove on the outer edge of the rear end of the volute inner body 65, the inner surface of the other end of the square fixing part is sealed with the end face of the large-diameter end of the fixed wheel cover 67, and the end face of the small-diameter end of the fixed wheel cover 67 is connected with the inner edge of the rear end face of the volute inner body 65 in a sealing mode.
The non-pressurized separation steam enters from the inlet pipe 66, the high-speed rotor 61 enables the high-speed rotor 61 and the high-speed impeller 610 to rotate at a high speed through the high-speed motor 60, work is done on the separation steam, the pressure, the speed and the temperature of the separation steam flowing through the arc-shaped impeller are rapidly improved, then the pressurized separation steam flows into the static wheel cover 67 and the volute 64, the air flow speed is reduced, the pressure is increased again, the condensed water in the volute 64 is discharged from the water discharge port 69 at the lowest side, and the pressurized separation steam enters the steam recovery one-way conveying pipeline 5 from the steam discharge port and opens the one-way valve.
The new steam supply pipe 1 is provided with a new steam check valve 10, and the opening degree of the new steam check valve 10 can be reduced by using a steam pressurizing device, so that the consumption of new steam is further reduced.
Example two
The working principle and structure of the embodiment are basically the same as those of the first embodiment, and the different structures are as follows: the inclined pipe is an arched pipe, and the arch of the arched pipe is arched downwards.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. A steam compressor for improving the efficiency of a paper machine is characterized by comprising a high-speed motor (60), a high-speed rotor (61) is connected on an output shaft of the high-speed motor (60), a rear cover (62) sleeved on the periphery of the output shaft of the high-speed motor (60) is fixedly connected to one end, close to the high-speed rotor (61), of a shell of the high-speed motor (60), a sealer (63) sleeved on the output shaft of the high-speed motor (60) and connected with the output shaft of the high-speed motor (60) in a sealing mode is fixed to the inner side of the rear cover (62), a volute (64) is connected to the outer edge of the rear cover (62), a volute inner body (65) connected to one end, far away from the volute (64), of the volute inner body (65) is connected with an inlet pipe (66), a static wheel cover (67) is arranged between the inner side, close to the volute (64), of one end of the volute inner body (65) and the inner cylindrical surface of the volute (64), the high-speed impeller (610) of the high-speed rotor (61) is positioned on the inner side of the static wheel cover (67), the lowest part of the lower side of the volute (64) is connected with a water outlet (69), and the lower side of the volute (64) is connected with a steam outlet of which the steam inlet is higher than the water inlet of the water outlet (69).
2. A steam compressor for improving paper machine efficiency according to claim 1, characterized in that the conical portion (68) of the high speed rotor (61) at the end remote from the output shaft of the high speed motor (60) extends into the inner volute body (65).
3. A steam compressor for improving machine efficiency according to claim 1, characterized in that the high-speed rotor (61) is umbrella-shaped.
4. A steam compressor for improving efficiency in a paper machine according to claim 1, characterized in that the inner wall of the rear cover is provided with a first step and the outer wall of the sealer is provided with an outer projection matching said first step.
5. The steam compressor for improving efficiency of a paper machine as claimed in claim 1, wherein a plurality of sealing lips are uniformly spaced on the inner wall of the sealer, and the sealing lips are in dynamic sealing connection with the output shaft of the high-speed motor.
6. A steam compressor for improving efficiency in a paper machine according to claim 5, wherein a gap is provided between an end surface of the high speed rotor connected to the output shaft of the high speed motor and the sealer and the rear cover.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120057163.9U CN214362538U (en) | 2021-01-11 | 2021-01-11 | Steam compressor for improving efficiency of paper machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2622394A (en) * | 2022-09-14 | 2024-03-20 | James Cropper Plc | A steam supply system and a method of supplying steam |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2622394A (en) * | 2022-09-14 | 2024-03-20 | James Cropper Plc | A steam supply system and a method of supplying steam |
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