CN202137823U - Automatic electric heating injurious insect killing and drying device for wood - Google Patents

Automatic electric heating injurious insect killing and drying device for wood Download PDF

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Publication number
CN202137823U
CN202137823U CN201120223468U CN201120223468U CN202137823U CN 202137823 U CN202137823 U CN 202137823U CN 201120223468 U CN201120223468 U CN 201120223468U CN 201120223468 U CN201120223468 U CN 201120223468U CN 202137823 U CN202137823 U CN 202137823U
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China
Prior art keywords
control
contactor
humidity
electrothermal tube
workplace
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Expired - Fee Related
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CN201120223468U
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Chinese (zh)
Inventor
庄元利
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SHENZHEN XINJIELI TECHNOLOGY Co Ltd
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SHENZHEN XINJIELI TECHNOLOGY Co Ltd
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Abstract

The utility model relates to an automatic electric heating injurious insect killing and drying device for wood, which is characterized by comprising a work cabin (10), wherein a moisture reduction device (20), a humidifying device (30) and a control device (40) are arranged outside the work cabin (10); a temperature circulation device (50) and a warming device (60) are arranged in the work cabin (10); a circulation air channel (12) is arranged on one side wall in the work cabin (10) opposite to a door; the warming device (60) is arranged in the circulation air channel (12); and the moisture reduction device (20), the humidifying device (30), the temperature circulation device (50) and the warming device (60) are electrically connected with the control device (40). The automatic electric heating injurious insect killing and drying device for the wood has the characteristics that the automaticity is high, the volume is small, the energy consumption and the environment pollution are low, the production cost is low, the operation is convenient, etc.

Description

The automatic electric heating timber drying equipment of removing the evil
[technical field]
The utility model relates to Wood Processing, particularly relates to a kind ofly can be automatically timber being carried out automatic electric heating timber that drying and high temperature sterilization, deinsectization the use drying equipment of removing the evil.
[background technology]
Traditional Wood Processing technology comprises basic process technology such as wood cutting, drying, gummed, incrustation, and function treatment technology such as wood protection, Wooden modifying.In the treating of wood, the moisture content of timber can impact cut, as needing in veneer method for making and the Chip Production timber is carried out the moist wood cutting, and large-scale workpiece then needs the bole cutting.The dry specially finger lumber drying usually of timber.The existing timber drying equipment of removing the evil is to use steam boiler to produce heat energy and steam, and its treatment facility is bulky, and energy resource consumption and environmental pollution are bigger, in case misoperation is blasted easily.In addition, the said equipment also needs two workmans that hold the special equipment employee's card on duty in turn, and operation inconvenience has increased the enterprise production cost.
[summary of the invention]
The utility model is intended to address the above problem; Through automatic control timber is carried out the high temperature sterilization deinsectization and provide a kind of; And can make corresponding adjustment usefulness to temperature in the workplace and humidity automatically, with the automatic electric heating timber that satisfies suitable temperature and the damp condition drying equipment of removing the evil.
For realizing above-mentioned purpose; The utility model provides a kind of automatic electric heating timber drying equipment of removing the evil; It comprises workplace; This workplace outside is provided with humidity-discharging device, damping device and control device, is provided with temperature cycles device and heat riser in the said workplace, in workplace, is provided with circulation air path on the side walls relative with the gate; Said heat riser is located in the said circulation air path, and said humidity-discharging device, damping device, temperature cycles device and heat riser all are electrically connected with said control device.
Said humidity-discharging device comprises wet-emitting blower, wet-emitting blower A.C. contactor, forces hydrofuge switch and relay; Said wet-emitting blower is installed in the outside of workplace; In between its exhaust column cut-in operation; Wet-emitting blower A.C. contactor, pressure hydrofuge switch and relay are located in the control device, and said wet-emitting blower, wet-emitting blower A.C. contactor and pressure hydrofuge switch and relay are connected with said control device.
Said wet-emitting blower A.C. contactor is connected with control device and relay respectively, and relay then is connected with wet-emitting blower, after the temperature in the workplace keeps a period of time; Humidity-discharging device starts; Humidity between the control device testing, if humidity is higher than preset value, then control device makes humidity-discharging device begin the hydrofuge operation through the wet-emitting blower A.C. contactor; When humidity reaches preset value; Control device calculates remaining time, if humidity is lower than preset value, then control device sends to instruct humidity-discharging device is decommissioned.
Said damping device comprises steam generator and steam generation electrothermal tube A.C. contactor; Said steam generator and steam generation electrothermal tube A.C. contactor are located at the workplace outside, and steam generation electrothermal tube A.C. contactor is connected with control device with steam generator respectively.
Said steam generator comprises water tank, electrothermal tube, water level controller and entering water electromagnetic valve; Said entering water electromagnetic valve is electrically connected with electrothermal tube and control device respectively, and said water level controller is electrically connected with control device, is equiped with water-level probe on the water level controller; After the power switch energising; The heating of electrothermal tube in the steam generator also produces steam, and the steam after the generation is participated in circulation through the temperature cycles device that pipeline gets in the workplace, the humidity between the control device testing; If reach preset value, the steam generator outage; If when the water level in the steam generator was lower than the default waterline of water-level probe, then control device sent the instruction unpack entering water electromagnetic valve, water filling in water tank, after water level reached preset waterline, then control device made entering water electromagnetic valve stop water filling.
Said heat riser comprises intensification electrothermal tube, intensification electrothermal tube A.C. contactor, and said intensification electrothermal tube and intensification electrothermal tube A.C. contactor are located at the inside of workplace respectively, and said intensification electrothermal tube A.C. contactor is connected with control device; Said intensification electrothermal tube is connected with the temperature cycles device, and the temperature between the control device testing is if be lower than preset value; Control device is connected the heat-generating pipe heating; If temperature surpasses the early warning temperature, then electrothermal tube outage heats up and interrupts.
Said temperature cycles device comprises main air blower, first circulating fan, second circulating fan, exhaust passage, circulation air path, relay and master switch; Said main air blower is located at said circulation air path top; First circulating fan, second circulating fan are located at the main air blower left and right sides respectively, and said main air blower, first circulating fan and second circulating fan are connected with master switch through control device respectively, and main air blower also is connected with the intensification electrothermal tube through relay; After the master switch energising; Control device starts main air blower, first circulating fan and second circulating fan by the preset time, and main air blower sucks the air in the workplace, and blows to heat riser through circulation air path; And through exhaust passage discharge workplace, the air after the heating stirs through first circulating fan and second circulating fan.
Said control device comprises programmable processor, master switch, touch-control display screen, main air blower A.C. contactor, circulating fan A.C. contactor, a plurality of breaker, humidity detecting module and temperature detecting module; Wherein, Said programmable processor is connected with humidity-discharging device, damping device, temperature cycles device and heat riser respectively; Said master switch is connected with main air blower A.C. contactor and circulating fan A.C. contactor, and a plurality of breakers are connected with main air blower, first circulating fan, second circulating fan and master switch respectively.Said touch-control display screen, humidity detecting module and temperature detecting module are electrically connected with programmable processor respectively.
Said circulation air path is the groove that is lower than metope that is arranged at workplace one side walls central authorities over against the gate, and the circulation air path two bottom sides is located in said exhaust passage, and connects with circulation air path, and its two ends extend to outside the workplace.
The contribution of the utility model is, it has effectively overcome the timber dry defective of using traditional steam boiler to carry out the high temperature sterilization deinsectization of removing the evil.The utility model carries out the automatic control of high temperature sterilization deinsectization process through programmable automaton to timber, and automatically temperature in the workplace and humidity is made corresponding adjustment, to satisfy optimum condition.The utlity model has that volume is little, energy resource consumption and environmental pollution be low, characteristics such as easy to operate.
[description of drawings]
Fig. 1 is the longitudinal sectional view vertical with the gate of the utility model.
Fig. 2 is the longitudinal sectional view parallel with the gate of the utility model.
Fig. 3 is the overall structure cutaway view of the steam generator of the utility model.
Fig. 4 is the control device structured flowchart of the utility model.
[specific embodiment]
The following example is to the further explanation of the utility model and replenishes, the utility model is not constituted any limitation.
Like Fig. 1, shown in Figure 2, the automatic electric heating timber of the utility model drying equipment of removing the evil comprises workplace 10, humidity-discharging device 20, damping device 30, control device 40, temperature cycles device 50 and heat riser 60.In the present embodiment, said workplace 10 is built into by fragment of brick, and these workplace 10 outsides are provided with humidity-discharging device 20, damping device 30 and control device 40, are provided with temperature cycles device 50 and heat riser 60 in the said workplace 10.In workplace 10, be provided with circulation air path 12 on the side walls relative with the gate.Workplace 10 inner bottom parts are provided with hot blast are entered the exhaust passage 54 that workplace is used.Be pasted with the insulation film 13 that makes insulation usefulness in the workplace 10 on the wall of workplace 10.
More specifically, like Fig. 1~shown in Figure 3, said humidity-discharging device 20 comprises wet-emitting blower 21, wet-emitting blower A.C. contactor 23, forces hydrofuge switch 24 and relay 25.Said wet-emitting blower 21 can be any known wet-emitting blower.In the present embodiment, wet-emitting blower 21 is installed in the top of workplace 10, between its exhaust column 211 cut-in operations in 10.Said pressure hydrofuge switch 24 is the switch of the manually opened hydrofuge function of user, and it is located at and control device 40 position adjacent.Said wet-emitting blower A.C. contactor 23, relay 25 are located at workplace 10 outsides, and wet-emitting blower A.C. contactor 23 is connected with control device 40 and relay 25 respectively, and 25 on relay is connected with wet-emitting blower 21.Wet-emitting blower A.C. contactor 23 is an electromagnetic AC contactor, and its main contact is used for opening and closing circuit, and auxiliary contact is used for carrying out the control instruction of being sent by control device 40.When workplace 10 heat up finish after, humidity-discharging device 20 starts, the humidity between control device 40 testings in 10.If humidity is higher than preset value, then control device 40 sending controling instructions make humidity-discharging device 20 beginning hydrofuge operations to wet-emitting blower A.C. contactor 23.When humidity reaches preset value, control device 40 calculates remaining time, if humidity is lower than preset value, then control device 40 sends instruction humidity-discharging device 20 is decommissioned.
Like Fig. 1, shown in Figure 3, said damping device 30 comprises steam generator 31 and steam generation electrothermal tube A.C. contactor 32.Said steam generator 31 is used for producing steam into workplace 10.This steam generator 31 is located at workplace 10 outsides with steam generation electrothermal tube A.C. contactor 32, and steam generation electrothermal tube A.C. contactor 32 is connected with control device 40 with steam generator 31 respectively.Said steam generator 31 comprises water tank 311, electrothermal tube 312, water level controller 313 and entering water electromagnetic valve 314.Said water tank 311 is a rectangular housing.Said electrothermal tube 312, water level controller 313 and entering water electromagnetic valve 314 are all packed in the water tank 311.Said electrothermal tube 312 is used for water heating the becoming steam with water tank 311.Adopt the electrothermal tube that rated power is 9KW in the present embodiment.Said entering water electromagnetic valve 314 is used for controlling the switching of water tank 311.Said entering water electromagnetic valve 314 is electrically connected with electrothermal tube 312 and control device 40 respectively.Said water level controller 313 is to detect the device that water tank 311 middle water levels are used, and this water level controller 313 is electrically connected with control device 40.Be equiped with water-level probe 3131 on the said water level controller 313, after master switch 56 is opened, the humidity between control device 40 testings in 10.Said steam generation electrothermal tube A.C. contactor 32 is an electromagnetic AC contactor, and its main contact is used for opening and closing circuit, and auxiliary contact is used for carrying out the control instruction of being sent by control device 40.When the humidity in the workplace 10 was lower than preset value, steam generator 31 started, and electrothermal tube 312 heating in this steam generator also produce steam, and the steam that is produced is participated in circulation through the temperature cycles device 50 that pipeline gets in the workplace; With the humidity in 10 between timed unit 40 testings, if reach preset value, steam generator 31 outages stop humidification.When if the water levels in the steam generator 31 are lower than the default waterline of water-level probe 3131; Then control device 40 sending controling instructions open entering water electromagnetic valve 314 to steam generation electrothermal tube A.C. contactor 32; Water filling in water tank 311; After water level reached preset waterline, then control device 40 made entering water electromagnetic valve 314 stop water filling.
Like Fig. 1~shown in Figure 3, said heat riser 60 comprises intensification electrothermal tube 61, intensification electrothermal tube A.C. contactor 63.In the present embodiment, said intensification electrothermal tube 61 adopts three voltage 220V, and power is the electrothermal tube of 3KW, and each electrothermal tube is connected to 380V.The quantity of electrothermal tube is by the size decision of workplace 10.Said intensification electrothermal tube A.C. contactor 63 is an electromagnetic AC contactor, and its main contact is used for opening and closing circuit, and auxiliary contact is used for carrying out the control instruction of being sent by control device 40.Said intensification electrothermal tube 61 is located in the circulation air path 12, and intensification electrothermal tube A.C. contactor 63 is located on the support of intensification electrothermal tube 61.Said intensification electrothermal tube A.C. contactor 63 is connected with control device 40.Said intensification electrothermal tube 61 is connected with the main air blower 51 of temperature cycles device.Temperature between control device 40 testings in 10; If be lower than preset value, control device 40 sending controling instructions make intensification electrothermal tube 61 heating powers to intensification electrothermal tube A.C. contactor 63, if temperature surpasses the early warning temperature; The electrothermal tube 61 that then heats up cuts off the power supply, and heats up and interrupts.
Like Fig. 1~shown in Figure 3, said temperature cycles device 50 comprises main air blower 51, first circulating fan 52, second circulating fan 53, exhaust passage 54, circulation air path 12, relay 55 and master switch 56.Said main air blower 51, first circulating fan 52 and second circulating fan 53 can be axial fan or cross flow blower.Said circulation air path 12 is arranged on the side walls relative with the gate in the workplace 10, is used for the circulation of indoor wind.Said main air blower 51 is located on the wall of said circulation air path 12 upper ends; First circulating fan 52, second circulating fan 53 are located at respectively on the wall of main air blower 51 left and right sides; Said main air blower 51, first circulating fan 52 and second circulating fan 53 are connected with master switch 56, and main air blower 51 also is connected with electrothermal tube 312 through relay 55.After master switch 56 energisings; Start main air blower 51, first circulating fan 52 and second circulating fan 53 by the preset time; Main air blower sucks the air in the workplace 10; And blowing to heat riser 60 through circulation air path 12, the air after the heating stirs through first circulating fan 52 and second circulating fan 53 and discharges workplaces through exhaust passage 54.
Fig. 1, shown in Figure 3 for another example, said control device 40 comprises programmable processor 41, master switch 56, touch-control display screen 43, main air blower A.C. contactor 44, circulating fan A.C. contactor 45 and a plurality of breaker 46, humidity detecting module 47 and temperature detecting module 48.Wherein, said programmable processor 41 is a general purpose programmable processors, and it can write corresponding control programs.Said master switch 56 is the switch of control The whole control device 40, and it has creepage protection function.Said programmable processor 41 is electrically connected with humidity-discharging device 20, damping device 30, temperature cycles device 50 and heat riser 60 respectively, and a plurality of breakers 46 are connected with main air blower 51, first circulating fan 52, second circulating fan 53 and master switch 56 respectively.Said humidity inspection module 47 can be selected known humidity detecting module or hygrometer for use, the humidity in it is used between testing, and it is located at the appropriate location in the workplace 10, on wall.Said temperature detecting module 48 can be any known Temperature Detector, like temperature sensor, thermometer etc., and the variations in temperature in it is used between testing.Said touch-control display screen 43 is tangible formula display screen; It is connected with programmable processor 41, and the user can control the operation of humidity-discharging device 20, damping device 30, temperature cycles device 50 and heat riser 60 through pushing relevant position on the touch-control display screen 43.Said main air blower A.C. contactor 44, circulating fan A.C. contactor 45 are respectively electromagnetic AC contactor; The main contact of main air blower A.C. contactor 44 and circulating fan A.C. contactor 45 is used for opening and closing circuit, and auxiliary contact is used for carrying out the control instruction of being sent by control device 40.
The workflow of the utility model is following:
After master switch 56 energisings, each parts brings into operation, and waits for that processor 41 sends instruction.At this moment, start main air blower 51, first circulating fan 52 and second circulating fan 53 by the preset time.Main air blower 51 is chain with heat riser 60; Temperature between temperature detecting module 48 testings in 10; If be lower than preset value, programmable processor 41 sends instructions to intensification electrothermal tube A.C. contactor 63 and makes 61 heatings of intensification electrothermal tube, if temperature surpasses the early warning temperature; The electrothermal tube 61 that then heats up cuts off the power supply, and heats up and interrupts.Humidity between 47 testings of humidity inspection module in 10; When the humidity in the workplace 10 is lower than preset value; Steam generator 31 starts; Electrothermal tube 312 heating in this steam generator also produce steam, and the steam that is produced is participated in circulation through the temperature cycles device 50 that pipeline gets in the workplace; When if the water levels in the steam generator 31 are lower than the default waterline of water-level probe 3131; Then control device 40 sending controling instructions open entering water electromagnetic valve 34 to steam generation electrothermal tube A.C. contactor 32; And water filling in water tank 311; After water level reached preset waterline, then control device 40 made entering water electromagnetic valve stop water filling.When workplace 10 heat up finish after, humidity-discharging device 20 starts, the humidity between 47 testings of humidity inspection module in 10.If humidity is higher than preset value, then control device 40 makes humidity-discharging device 20 beginning hydrofuge operations through control device 40 sending controling instructions to wet-emitting blower A.C. contactor 23.When humidity reaches preset value, control device 40 calculates remaining time, if humidity is lower than preset value, then control device 40 sends instruction humidity-discharging device 20 is decommissioned, and whole workflow finishes.
By this, realized the automatic control of Wood Processing through the automatic electric heating timber of the utility model drying equipment of removing the evil.
Although the utility model is disclosed through above embodiment; But the scope of the utility model is not limited thereto; Do not departing under the condition of the utility model design, more than each member can replace with the similar or equivalent element that affiliated person skilled is understood.

Claims (9)

1. automatic electric heating timber drying equipment of removing the evil; It is characterized in that; It comprises workplace (10); This workplace (10) outside is provided with humidity-discharging device (20), damping device (30) and control device (40), is provided with temperature cycles device (50) and heat riser (60) in the said workplace (10), in workplace (10), is provided with circulation air path (12) on the side walls relative with the gate; Said heat riser (60) is located in the said circulation air path (12), and said humidity-discharging device (20), damping device (30), temperature cycles device (50) and heat riser (60) all are electrically connected with said control device (40).
2. the automatic electric heating timber as claimed in claim 1 drying equipment of removing the evil; It is characterized in that; Said humidity-discharging device (20) comprises wet-emitting blower (21), wet-emitting blower A.C. contactor (23), forces hydrofuge switch (24) and relay (25); Said wet-emitting blower (21) is installed in the outside of workplace (10); In (10), wet-emitting blower A.C. contactor (23), pressure hydrofuge switch (24) and relay (25) are located in the control device (40) between its exhaust column (211) cut-in operation, and said wet-emitting blower (21), wet-emitting blower A.C. contactor (23) and pressure hydrofuge switch (24) and relay (25) are connected with said control device (40).
3. the automatic electric heating timber as claimed in claim 2 drying equipment of removing the evil is characterized in that said wet-emitting blower A.C. contactor (23) is connected with control device (40) and relay (25) respectively; Relay (25) then is connected with wet-emitting blower (21); After the temperature in the workplace (10) kept a period of time, humidity-discharging device (20) started, the humidity between control device (40) testing in (10); If humidity is higher than preset value; Then control device (40) makes the operation of humidity-discharging device (20) beginning hydrofuge through wet-emitting blower A.C. contactor (23), and when humidity reaches preset value, control device (40) calculates remaining time; If humidity is lower than preset value, then control device sends to instruct humidity-discharging device is decommissioned.
4. the automatic electric heating timber as claimed in claim 1 drying equipment of removing the evil; It is characterized in that; Said damping device (30) comprises steam generator (31) and steam generation electrothermal tube A.C. contactor (32); Said steam generator (31) and steam generation electrothermal tube A.C. contactor (32) are located at workplace (10) outside, and steam generation electrothermal tube A.C. contactor (32) is connected with control device (40) with steam generator (31) respectively.
5. the automatic electric heating timber as claimed in claim 4 drying equipment of removing the evil; It is characterized in that said steam generator (31) comprises water tank (311), electrothermal tube (312), water level controller (313) and entering water electromagnetic valve (314), said entering water electromagnetic valve (314) is electrically connected with electrothermal tube (312) and control device (40) respectively; Said water level controller (313) is electrically connected with control device (40); Be equiped with water-level probe (3131) on the water level controller, after the power switch energising, electrothermal tube (312) heating in the steam generator (31) also produces steam; Steam after the generation is participated in circulation through the temperature cycles device (50) that pipeline gets in the workplace; Humidity between control device (40) testing in (10), if reach preset value, steam generator (31) outage; When if the water level in the steam generator (31) is lower than the default waterline of water-level probe (3131); Then control device (40) sends instruction unpack entering water electromagnetic valve (314); Water filling in water tank (311); After water level reached preset waterline, then control device (40) made entering water electromagnetic valve stop water filling.
6. a kind of automatic electric heating timber as claimed in claim 1 drying equipment of removing the evil is characterized in that said heat riser (60) comprises intensification electrothermal tube (61), intensification electrothermal tube A.C. contactor (63); Said intensification electrothermal tube (61) and intensification electrothermal tube A.C. contactor (63) are located at the inside of workplace (10) respectively, and said intensification electrothermal tube A.C. contactor (63) is connected with control device (40), and said intensification electrothermal tube (61) is connected with temperature cycles device (50); Temperature between control device (40) testing in (10); If be lower than preset value, control device (40) is connected the heat-generating pipe heating, if temperature surpasses the early warning temperature; Then electrothermal tube outage heats up and interrupts.
7. the automatic electric heating timber as claimed in claim 5 drying equipment of removing the evil; It is characterized in that; Said temperature cycles device (50) comprises main air blower (51), first circulating fan (52), second circulating fan (53), exhaust passage (54), circulation air path (12), relay (55) and master switch (56); Said main air blower (51) is located at said circulation air path (12) top; First circulating fan (52), second circulating fan (53) are located at main air blower (51) left and right sides respectively, and said main air blower (51), first circulating fan (52) and second circulating fan (53) are connected with master switch (56) through control device (40) respectively, and main air blower (51) also is connected with intensification electrothermal tube (61) through relay (55); After master switch (56) energising; Control device (40) starts main air blower (51), first circulating fan (52) and second circulating fan (53) by the preset time, and main air blower sucks the air in the workplace (10), and blows to heat riser (60) through circulation air path (12); And through exhaust passage (54) discharge workplace, the air after the heating stirs through first circulating fan (52) and second circulating fan (53).
8. like the drying equipment of removing the evil of arbitrary described automatic electric heating timber in the claim 1 to 5; It is characterized in that; Said control device (40) comprises programmable processor (41), master switch (56), touch-control display screen (43), main air blower A.C. contactor (44), circulating fan A.C. contactor (45), a plurality of breaker (46), humidity detecting module (47) and temperature detecting module (48); Wherein, Said programmable processor (41) is connected with humidity-discharging device (20), damping device (30), temperature cycles device (50) and heat riser (60) respectively; Said master switch (56) is connected with main air blower A.C. contactor (44) and circulating fan A.C. contactor (45); A plurality of breakers (46) are connected with main air blower (51), first circulating fan (52), second circulating fan (53) and master switch (56) respectively, and said touch-control display screen (43), humidity detecting module (47) and temperature detecting module (48) are electrically connected with programmable processor (41) respectively.
9. the automatic electric heating timber as claimed in claim 7 drying equipment of removing the evil; It is characterized in that; Said circulation air path (12) is for being arranged at the groove that is lower than metope of workplace (10) one side walls central authorities over against the gate; Circulation air path (12) two bottom sides is located in said exhaust passage (54), and connects with circulation air path (12), and its two ends extend to outside the workplace (10).
CN201120223468U 2011-06-28 2011-06-28 Automatic electric heating injurious insect killing and drying device for wood Expired - Fee Related CN202137823U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120223468U CN202137823U (en) 2011-06-28 2011-06-28 Automatic electric heating injurious insect killing and drying device for wood

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Application Number Priority Date Filing Date Title
CN201120223468U CN202137823U (en) 2011-06-28 2011-06-28 Automatic electric heating injurious insect killing and drying device for wood

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102967123A (en) * 2012-11-30 2013-03-13 浙江凯森板业有限责任公司 Dehumidifying room for drying glue impregnated bamboo curtain
CN103453597A (en) * 2013-08-22 2013-12-18 苏州康华净化系统工程有限公司 Workshop air constant humidification system
CN106827141A (en) * 2017-01-16 2017-06-13 浙江鸿星文具有限公司 Timber drawing pencil softening method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102967123A (en) * 2012-11-30 2013-03-13 浙江凯森板业有限责任公司 Dehumidifying room for drying glue impregnated bamboo curtain
CN102967123B (en) * 2012-11-30 2014-10-01 浙江凯森板业有限责任公司 Dehumidifying room for drying glue impregnated bamboo curtain
CN103453597A (en) * 2013-08-22 2013-12-18 苏州康华净化系统工程有限公司 Workshop air constant humidification system
CN106827141A (en) * 2017-01-16 2017-06-13 浙江鸿星文具有限公司 Timber drawing pencil softening method

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