Disclosure of Invention
The invention aims to provide steam generation equipment for textile industry, which has the advantage of generating steam by using biomass fuel to burn and heat water liquid.
The textile industry steam generation equipment comprises a box body, a material placing device, a pushing device, a cylinder device, a boiler device and a discharging device, wherein a combustion cavity with an upward opening is fixedly arranged in the box body, a left end wall of the combustion cavity is fixedly arranged in the combustion cavity, a left end wall and a right end wall of the combustion cavity are communicated and provided with sliding cavities, the sliding cavities are arranged in a bilateral symmetry manner, the material placing device is arranged in the sliding cavities, a containing cavity positioned in the box body is arranged below the sliding cavity, a transmission cavity positioned in the box body is arranged below the containing cavity on the left side, a connecting cavity is communicated and provided between the transmission cavity and the containing cavity, side plates are arranged on the left side and the right side of the box body, the side plates are arranged in a bilateral symmetry manner, a vertical box is arranged on one side of the side plate far away from the box body, a driving motor is fixedly arranged, the bilateral symmetry sets up, with curb plate and founding case normal running fit and being connected, driving motor with foremost the fixed, through chain power connection, the chain surface is provided with a plurality of thrust unit, the box up end sets firmly bilateral symmetry's cylinder device, the counterbalance is provided with boiler plant between the end wall about the combustion chamber, the end wall is provided with discharge device under the combustion chamber to utilize above-mentioned device constitution equipment, make equipment carry out the collaborative work under the drive of above-mentioned device.
The technical scheme is that the discharging device comprises a guide groove fixedly arranged in a sliding cavity, the guide groove is symmetrically arranged in the front and back direction, the guide groove is communicated with the sliding cavity, a sliding cavity is communicated in the upper end wall of the guide groove and is communicated with the sliding cavity, a vertical sliding block is arranged in the guide groove in a sliding manner, a horizontal sliding block is arranged in the sliding cavity in a sliding manner, a swinging plate is rotatably arranged between the horizontal sliding block and the vertical sliding block, a power cavity is communicated in the end wall of the sliding cavity far away from the swinging plate, a rotating shaft is rotatably arranged in the power cavity and is symmetrically arranged in the left and right direction, chain wheels are fixedly arranged on the outer surface of the rotating shaft, a power chain is arranged between the chain wheels in a power connection manner, the power chain is fixed with the horizontal sliding block, and a belt wheel cavity positioned in the, the upper end wall of the belt pulley cavity is internally and fixedly provided with a rotating motor, the rotating shaft is rotatably penetrated through the upper end wall of the power cavity, the rotating shaft is rotatably extended into the belt pulley cavity, the rotating shaft is connected with the upper end wall of the belt pulley cavity in a rotating matching way, the outer surface of the rotating shaft is fixedly provided with a belt pulley positioned in the belt pulley cavity, the rotating motor is in power connection with one of the rotating shafts, the belt pulleys are connected through belt cross power, so that the belt pulley is driven to rotate after the rotating motor works, the belt cross power between the belt pulleys is connected, the rotating directions of the belt pulleys are opposite, the chain wheel is rotated under the action of the rotating shaft, the horizontal sliding block is driven to slide in the sliding cavity, the swinging plate is driven to move, and the opening and closing functions of the sliding cavity of the swinging plate are realized, and the inclined arrangement of the swinging plate can be beneficial to the dumping of the biomass particles.
According to a further technical scheme, the pushing device comprises a moving box fixed with the outer surface chain, an open storage cavity is formed in the moving box, sliding cavities which are symmetrical front and back are arranged in the front end wall and the back end wall of the storage cavity in a communicated mode, a spring cavity is arranged in the end wall of the sliding cavity far away from the storage cavity in a communicated mode, a fixed shaft and a fixed column are fixedly arranged on the lower end wall of the spring cavity, a clockwork spring is arranged on the outer surface of the fixed shaft in a surrounding mode, the clockwork spring bypasses the outer surface of the fixed column, a pushing plate is arranged in the sliding cavity in a sliding mode and connected with the storage cavity in a sliding fit mode, and the clockwork spring is fixed with the pushing plate, so that the rebounding characteristic of the clockwork spring is utilized, and the pushing plate rebounds to an initial position.
Further technical scheme, the cylinder device include with the dress is received the fixed pole of buckling of case up end, is kept away from the burning chamber the pole terminal surface of buckling has set firmly the fixed plate, the cylinder has set firmly in the fixed plate, the cylinder with it is just right to push away the crowded board, thereby utilizes the drive of cylinder promotes push away the crowded board slides, makes the push rod of cylinder promotes push away the crowded board with biomass fuel granule along the wobble plate is poured into in the burning chamber, improve equipment's operational reliability.
According to the technical scheme, the boiler device comprises a lower side shell fixed with a clamping device on the upper end face of the containing box, a top shell is fixedly arranged on the upper end face of the lower side shell through bolts, a liquid storage cavity is arranged between the top shell and the connecting cavity and located in the top shell and the lower side shell, a liquid inlet pipe is communicated with the rear end wall of the liquid storage cavity and communicated with a water pump, a connecting pipe is communicated with the upper end wall of the liquid storage cavity and provided with a valve, so that water liquid enters the liquid storage cavity through the liquid inlet pipe and is heated through heat transfer of the lower side shell, high-temperature steam is generated, the water liquid is discharged to the external space through the connecting pipe, and the steam generation efficiency of equipment is improved.
The technical scheme is that the discharging device comprises a driving gear which is rotatably arranged in a transmission cavity, the driving gear is driven by a motor, a rack is meshed above the driving gear, the rack slidably penetrates through the left end wall of the transmission cavity and extends leftwards, a sliding rod is slidably arranged in a connecting cavity, a moving plate is fixedly arranged between the sliding rods and is connected with the end wall of the containing cavity in a sliding fit manner, an inner cavity which penetrates up and down is fixedly arranged in the moving plate, a plurality of connecting rods are fixedly arranged between the inner cavities, a connecting plate which is positioned on the lower side of the moving plate is fixedly arranged between the left end wall and the right end wall of a combustion cavity, a through cavity which penetrates up and down is fixedly arranged in the connecting plate, a plurality of stop rods are fixedly arranged between the front end wall and the rear end wall of the through cavity, a rack is fixedly, the rack with the driving gear meshing, the connecting plate below is provided with and is located the dress of combustion chamber lower extreme wall is received the case, the dress incasement sets firmly the dress chamber that the opening is up to utilize the driving gear drives the rack removes, changes relative position between connecting rod and the pin makes the burning waste material of interior intracavity is discharged downwards, enters into receive the intracavity, has improved the waste recovery ability of equipment.
The invention has the beneficial effects that: the biomass fuel combustion device is simple in structure and convenient to operate, the biomass fuel combustion device realizes the process of heating water liquid into high-temperature steam through the discharging device, the pushing device, the cylinder device, the boiler device and the discharging device, more flexible structures are applied in the process, unexpected technical effects are realized, and the working efficiency of the device is improved.
The device has the advantages that the device utilizes the biomass fuel to combust to generate heat, in the process, the air cylinder is adopted to indirectly push the biomass fuel in the storage cavity into the combustion cavity along the swinging plate, and the design of the fixed column, the clockwork spring and the fixed shaft is utilized to enable the pushing plate to rebound, so that the related structure of the air cylinder is not in direct contact with the biomass fuel, the air cylinder is polluted and damaged during continuous processing, the maintenance frequency of the device is increased, and the biomass fuel is inclined downwards through the swinging plate by utilizing the swinging plate which can be inclined and adjusted, the design has the advantages that the biomass fuel cannot be smoothly inclined and the friction on the surface of the swinging plate can also cause the biomass fuel to be detained, and the adjusting and moving structure can well solve the problem and cause the combustion process to be more efficient and stable, and utilize the downside carry out relative movement between pin and the connecting rod and change clearance between pin and the connecting rod makes the plant ash be convenient for drop downwards receive the intracavity and be convenient for collect the back with the plant ash and be used for the preparation of waste material, because above-mentioned combustion process does not adopt fossil fuel, be difficult to produce harmful gas and can not pollute the environment, have fine feature of environmental protection.
Drawings
FIG. 1 is a schematic view of the internal structure of a steam generating apparatus for textile industry according to the present invention;
FIG. 2 is a schematic view of the swing plate of FIG. 1 taken along the line A-A in accordance with the present invention;
FIG. 3 is a schematic view of the case of FIG. 1 taken in the direction B-B according to the present invention;
FIG. 4 is a schematic view of the case of FIG. 3 in a direction C-C according to the present invention;
FIG. 5 is a schematic view of the housing of FIG. 4 taken in the direction D-D according to the present invention;
FIG. 6 is a schematic view of the slide chamber of FIG. 1 taken in the direction E-E according to the present invention;
FIG. 7 is a schematic view of the moving plate of FIG. 1 taken in the direction F-F according to the present invention;
FIG. 8 is a schematic view of the drive sprocket of FIG. 1 in the direction G of the present invention;
in the figure, a vertical box 100, an opening cavity 101, a side plate 102, a containing cavity 103, a containing box 104, an inner cavity 105, a through cavity 106, a connecting plate 107, a transmission cavity 108, a driving gear 109, a rack 110, a sliding rod 111, a moving plate 112, a containing cavity 113, a box body 114, a guide groove 115, a sliding cavity 116, a moving box 117, an air cylinder 118, a fixing plate 119, a bending rod 120, a pushing plate 121, a sliding cavity 122, a storage cavity 123, a horizontal slider 124, a sliding cavity 125, a swinging plate 126, a vertical slider 127, a connecting pipe 128, a valve 129, an air inlet pipe 130, a storage cavity 131, a lower shell 132, a driving motor 133, a combustion cavity 134, a connecting rod 135, a blocking rod 136, a driving sprocket 137, a top shell 141, a connecting cavity 142, a power cavity 200, a rotating shaft 202, a sprocket 203, a pulley cavity 300, a rotating motor 301, a pulley 302, a fixed column 500, a spring cavity 501.
Detailed Description
The present invention is described in detail below with reference to fig. 1 to 8.
Referring to fig. 1-8, the steam generating device for textile industry according to the embodiment of the invention comprises a box body 114, a feeding device, a pushing device, a cylinder device, a boiler device and a discharging device, wherein a combustion chamber 134 with an upward opening is fixedly arranged in the box body 114, the depth of the combustion chamber 134 is 80cm, a driving sprocket 137 is fixedly arranged in the left end wall of the combustion chamber 134, a sliding chamber 116 is arranged in the left end wall and the right end wall of the combustion chamber 134 in a communicating manner, the sliding chamber 116 is arranged in a bilateral symmetry manner, the feeding device is arranged in the sliding chamber 116, a containing chamber 113 arranged in the box body 114 is arranged below the sliding chamber 116, a transmission chamber 108 arranged in the box body 114 is arranged below the containing chamber 113 on the left side, a connecting chamber 142 is arranged between the transmission chamber 108 and the containing chamber 113 in a communicating manner, the diameter of the connecting chamber 142 is 2 cm-3 cm, side plates 102 are arranged on the left side and, the height of the vertical box 100 is 100cm, a driving motor 133 is fixedly arranged in the end face of the vertical box 100 close to the box body 114, a plurality of driving chain wheels 137 are arranged between the side plate 102 and the vertical box 100, the driving chain wheels 137 are arranged in bilateral symmetry, the driving chain wheels 137 are connected with the side plate 102 and the vertical box 100 in a rotating fit mode, the driving motor 133 is fixed with the driving chain wheel 137 at the forefront side, the driving chain wheels 137 are in power connection through chains, a plurality of pushing devices are arranged on the outer surfaces of the chains, cylinder devices in bilateral symmetry are fixedly arranged on the upper end face of the box body 114, boiler devices are arranged between the left end wall and the right end wall of the combustion cavity 134 in an abutting mode, and discharging devices are arranged on the lower end wall of the combustion cavity.
Beneficially or exemplarily, the emptying device comprises a guide groove 115 fixedly arranged in a sliding cavity 116, the guide groove 115 is symmetrically arranged in front and back, the guide groove 115 is communicated with the sliding cavity 116, a sliding cavity 125 is communicated with the upper end wall of the guide groove 115, the sliding cavity 125 is communicated with the sliding cavity 116, a vertical slider 127 is slidably arranged in the guide groove 115, a horizontal slider 124 is slidably arranged in the sliding cavity 125, a swinging plate 126 is rotatably arranged between the horizontal slider 124 and the vertical slider 127, a power cavity 200 is communicated with the end wall of the sliding cavity 125 far away from the swinging plate 126, a rotating shaft 202 is rotatably arranged in the power cavity 200, the diameter of the rotating shaft 202 is 1 cm-2 cm, the rotating shaft 202 is symmetrically arranged in left and right, a sprocket 203 is fixedly arranged on the outer surface of the rotating shaft 202, the diameter of the sprocket 203 is 12 cm-15 cm, a power chain is arranged in power connection between the sprockets 203, the power chain is fixed with the horizontal slider 124, a, a rotating motor 301 is fixedly arranged in the upper end wall of the pulley cavity 300, a rotating shaft 202 rotatably penetrates through the upper end wall of the power cavity 200, the rotating shaft 202 rotatably extends into the pulley cavity 300, the rotating shaft 202 is rotatably matched and connected with the upper end wall of the pulley cavity 300, a pulley 302 positioned in the pulley cavity 300 is fixedly arranged on the outer surface of the rotating shaft 202, the diameter of the pulley 302 is 15 cm-17 cm, the rotating motor 301 is in power connection with one of the rotating shafts 202, the pulleys 302 are in cross power connection through a belt, so that the rotating motor 301 is utilized to drive the pulley 302 to rotate after working, due to the cross-belt power connection between the pulleys 302, the pulleys 302 are rotated in opposite directions, under the action of the rotating shaft 202, the chain wheel 203 rotates to drive the horizontal sliding block 124 to slide in the sliding cavity 125, so that the swinging plate 126 moves, the opening and closing functions of the swinging plate 126 on the sliding cavity 116 are realized, and the swinging plate 126 is inclined to facilitate the dumping of biomass particles.
Beneficially or exemplarily, the pushing device comprises a moving box 117 fixed to the outer surface of the driving sprocket 137 by a chain, an open material storage cavity 123 is arranged in the moving box 117, the depth of the material storage cavity 123 is 20cm to 30cm, sliding cavities 122 symmetrical front and back are arranged in front and back end walls of the material storage cavity 123 in a communicating manner, the length of the sliding cavity 122 is 40cm to 50cm, a spring cavity 501 is arranged in an end wall of the sliding cavity 122 far away from the material storage cavity 123 in a communicating manner, a fixed shaft 503 and a fixed column 500 are fixedly arranged on a lower end wall of the spring cavity 501, the diameter of the fixed column 500 is 13cm to 15cm, a clockwork spring 502 is arranged around the outer surface of the fixed column 500 on the outer surface of the fixed shaft 503, a pushing plate 121 is arranged in the sliding cavity 122 in a sliding manner, the pushing plate 121 is connected with the material storage, therefore, the pushing plate 121 rebounds to the initial position under the action of the clockwork spring 502 after moving close to the fixed shaft 503 by utilizing the rebounding characteristic of the clockwork spring 502.
Beneficially or exemplarily, the cylinder device comprises a bending rod 120 fixed to the upper end surface of the containing box 104, a fixing plate 119 is fixed to the end surface of the bending rod 120 away from the combustion chamber 134, the fixing plate 119 has a length of 25cm, a cylinder 118 is fixed in the fixing plate 119, the cylinder 118 is opposite to the pushing plate 121, and the pushing plate 121 has a height of 17cm to 20cm, so that the pushing plate 121 is pushed by the driving of the cylinder 118 to slide, and the pushing rod of the cylinder 118 pushes the pushing plate 121 to pour biomass fuel particles into the combustion chamber 134 along the swinging plate 126, thereby improving the working reliability of the device.
Beneficially or exemplarily, the boiler device includes a lower casing 132 fixed to the upper end surface of the containing box 104, the lower casing 132 has a diameter of 50cm, a top casing 141 is fixed to the upper end surface of the lower casing 132 through a bolt, the top casing 141 has a diameter of 50cm, a liquid storage chamber 131 is disposed between the top casing 141 and the connection chamber 142 and located in the top casing 141 and the lower casing 132, a liquid inlet pipe 130 is disposed in a rear end wall of the liquid storage chamber 131 in a communicating manner, the liquid inlet pipe 130 has a diameter of 5cm to 6cm, the liquid inlet pipe 130 is communicated with the water pump, a connection pipe 128 is disposed in an upper end wall of the liquid storage chamber 131 in a communicating manner, a valve 129 is disposed in the connection pipe 128 in a communicating manner, so that the water liquid enters the liquid storage chamber 131 through the liquid inlet pipe 130, and the heat transferred by the lower housing 132 heats the water liquid in the liquid storage chamber 131 to generate high-temperature steam, and the high-temperature steam is discharged to the external space through the connecting pipe 128, thereby improving the steam generation efficiency of the device.
Beneficially or exemplarily, the discharging device comprises a driving gear 109 rotatably arranged in a transmission cavity 108, the diameter of the driving gear 109 is 15 cm-20 cm, the driving gear 109 is driven by a motor, a rack 110 is meshed above the driving gear 109, the rack 110 slidably penetrates through the left end wall of the transmission cavity 108 and extends leftwards, a sliding rod 111 is slidably arranged in a connecting cavity 142, a moving plate 112 is fixedly arranged between the sliding rods 111, the length of the moving plate 112 is 40cm, the moving plate 112 is connected with the end wall of a containing cavity 113 in a sliding fit manner, an inner cavity 105 vertically penetrating is fixedly arranged in the moving plate 112, a plurality of connecting rods 135 are fixedly arranged between the inner cavities 105, the diameter of each connecting rod 135 is 6 cm-7 cm, a connecting plate 107 positioned on the lower side of the moving plate 112 is fixedly arranged between the left end wall and the right end wall of a combustion cavity 134, a through cavity 106 vertically penetrating is fixedly arranged in, the diameter of pin 136 is between 7cm ~8cm, the terminal surface sets firmly rack 110 under the left slide bar 111, the gliding transmission chamber 108 left end wall that runs through of rack 110, rack 110 and driving gear 109 mesh, connecting plate 107 below is provided with the dress that is located combustion chamber 134 lower extreme wall and holds case 104, it holds the chamber 103 to set firmly the dress that the opening is up in the case 104, thereby utilize driving gear 109 to drive rack 110 and remove about, change the relative position between connecting rod 135 and pin 136, make the burning waste material in the inner chamber 105 discharge downwards, enter into and hold the chamber 103, the waste recovery ability of equipment has been improved.
In the initial state, the driving motor 133, the cylinder 118, the driving gear 109 and the rotating motor 301 are in the stop state, the valve 129 is in the closed state, the liquid inlet pipe 130 is communicated with the water pump, the liquid inlet pipe 130 sprays liquid when the water pump works, the swinging plate 126 is in the inclined state, and the storage cavity 123 is loaded with a plurality of biomass fuel particles, so that the equipment is in the initial state and is favorable for maintenance and installation.
When the equipment is working, the water pump is prior art, and the water pump is a machine for conveying liquid or pressurizing liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal.
Liquids, gas mixtures, and liquids containing suspended solids may also be transported. The technical parameters of the water pump performance include flow, suction lift, shaft power, water power, efficiency and the like; the pump can be divided into a volume water pump, a vane pump and the like according to different working principles. The displacement pump transfers energy by utilizing the change of the volume of a working chamber; vane pumps transfer energy by the interaction of rotating vanes with water and are available in the types of centrifugal pumps, axial flow pumps, mixed flow pumps, and the like.
After the device starts to work, firstly, the driving motor 133 drives the driving chain wheel 137 to rotate, so that the moving box 117 on the outer surface of the driving chain wheel 137 moves, after the moving box 117 loaded with biomass fuel particles moves to a position right opposite to the air cylinder 118, the rotating motor 301 works and then drives the belt pulley 302 to rotate, due to cross transmission between the belt pulleys 302, the rotating directions of the rotating shafts 202 on the front side and the rear side are opposite, so that the chain wheel 203 simultaneously rotates and drives the horizontal slider 124 to slide, in the process, the angle of the swinging plate 126 is inclined due to the sliding of the horizontal slider 124, at the moment, the air cylinder 118 pushes the pushing plate 121 to move towards the direction of the swinging plate 126, so that the biomass fuel is pushed into the upper end face of the swinging plate 126 from the storage cavity 123 and is thrown into the combustion cavity 134, at the moment, the biomass fuel in the combustion cavity 134 is ignited, and water liquid is, after water enters the liquid storage cavity 131, the water is changed into water vapor after the biomass fuel burns to generate heat, at the moment, the valve 129 is opened, the water vapor is discharged to an external space through the connecting pipe 128, at the moment, if the water vapor is used, only the receiving pipeline is required to be communicated with the connecting pipe 128, waste materials are required to be recovered after the biomass fuel burns, the waste materials can be used for processing fertilizers, most of the waste materials are plant ash after the biomass fuel burns, at the moment, the driving gear 109 works and drives the rack 110 to slide, the stop levers 136 on the upper side and the lower side are in a relative state, at the moment, the combustion waste materials can fall through a gap between the stop lever 136 and the connecting rod 135 and enter the accommodating cavity 103, then the accommodating box 104 slides out and the combustion waste materials in the accommodating box 104 can be recovered, when the biomass fuel does not need to be added, the swinging plate 126 is in a vertical state under the driving of a relevant structure and can seal the, prevent flame and heat blowout to the process that adopts biomass fuel granule burning to produce vapor has been realized, has improved the work efficiency of equipment.
The invention has the beneficial effects that: the biomass fuel combustion device is simple in structure and convenient to operate, the biomass fuel combustion device realizes the process of heating water liquid into high-temperature steam through the discharging device, the pushing device, the cylinder device, the boiler device and the discharging device, more flexible structures are applied in the process, unexpected technical effects are realized, and the working efficiency of the device is improved.
The advantages are embodied in that the device utilizes biomass fuel to combust to generate heat, in the process, the air cylinder 118 is adopted to indirectly push the biomass fuel in the storage cavity 123 to the combustion cavity 134 along the swinging plate 126 by utilizing the pushing plate 121, and the design of the fixed column 500, the clockwork spring 502 and the fixed shaft 503 is utilized, so that the pushing plate 121 can rebound, the related structure of the air cylinder 118 is not in direct contact with the biomass fuel, the air cylinder 118 is polluted and damaged during continuous processing, the maintenance frequency of the device is increased, and the biomass fuel is inclined downwards by utilizing the swinging plate 126 capable of being adjusted in an inclined manner, the design has the advantages that the biomass fuel cannot be smoothly toppled over in the toppling over process and the friction on the surface of the swinging plate 126 can also make the biomass fuel detained, the adjusting and moving structure can well solve the problem and make the combustion process more efficient and stable, and utilize to carry out relative movement between pin 136 and the connecting rod 135 of the downside and change the clearance between pin 136 and the connecting rod 135, make the plant ash be convenient for drop downwards in accommodating the chamber 103 and be convenient for collect the plant ash after be used for the preparation of waste material, because above-mentioned combustion process does not adopt fossil fuel, be difficult to produce harmful gas and can not pollute the environment, have fine feature of environmental protection.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.
Although the upright box 100, the open cavity 101, the side plate 102, the containing cavity 103, the containing box 104, the inner cavity 105, the through cavity 106, the connecting plate 107, the transmission cavity 108, the driving gear 109, the rack 110, the sliding rod 111, the moving plate 112, the containing cavity 113, the box body 114, the guide groove 115, the sliding cavity 116, the moving box 117, the air cylinder 118, the fixing plate 119, the bending rod 120, the pushing plate 121, the sliding cavity 122, the storage cavity 123 and the horizontal slider 124 are more used herein, the terms of the sliding chamber 125, the swinging plate 126, the vertical slider 127, the connecting pipe 128, the valve 129, the liquid inlet pipe 130, the liquid storage chamber 131, the lower housing 132, the driving motor 133, the combustion chamber 134, the connecting rod 135, the stop lever 136, the driving sprocket 137, the top housing 141, the connecting chamber 142, the power chamber 200, the rotating shaft 202, the sprocket 203, the pulley chamber 300, the rotating motor 301, the pulley 302, the fixed column 500, the spring chamber 501, the clockwork spring 502, the fixed shaft 503 and the like are used, but the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.